lua: updated from 5.3 work3 to 5.3.0
* improved the overall kernel Lua patch; fixed coercion * updated lua/syslog * updated luapmf and luasystm Makefiles
This commit is contained in:
parent
0090b13dae
commit
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@ -36,7 +36,7 @@ RM= rm -f
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# == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
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# Convenience platforms targets.
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PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
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PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris
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# What to install.
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TO_BIN= lua luac
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@ -1,5 +1,5 @@
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This is Lua 5.3.0 (work3), released on 19 Jul 2014.
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This is Lua 5.3.0, released on 06 Jan 2015.
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For installation instructions, license details, and
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further information about Lua, see doc/readme.html.
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Binary file not shown.
Before Width: | Height: | Size: 1.4 KiB |
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@ -20,10 +20,6 @@ ul {
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Lua 5.3 Reference Manual
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</H1>
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<P>
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<IMG SRC="alert.png" ALIGN="absbottom">
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<EM>All details may change in the final version.</EM>
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<P>
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The reference manual is the official definition of the Lua language.
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For a complete introduction to Lua programming, see the book
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@ -37,7 +33,7 @@ For a complete introduction to Lua programming, see the book
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<A HREF="#index">index</A>
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<HR>
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<SMALL>
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Copyright © 2011–2014 Lua.org, PUC-Rio.
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Copyright © 2015 Lua.org, PUC-Rio.
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Freely available under the terms of the
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<A HREF="http://www.lua.org/license.html">Lua license</A>.
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</SMALL>
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@ -117,6 +113,7 @@ Freely available under the terms of the
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<LI><A HREF="manual.html#6.4">6.4 – String Manipulation</A>
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<UL>
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<LI><A HREF="manual.html#6.4.1">6.4.1 – Patterns</A>
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<LI><A HREF="manual.html#6.4.2">6.4.2 – Format Strings for Pack and Unpack</A>
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</UL>
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<LI><A HREF="manual.html#6.5">6.5 – UTF-8 Support</A>
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<LI><A HREF="manual.html#6.6">6.6 – Table Manipulation</A>
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@ -144,10 +141,10 @@ Freely available under the terms of the
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<TD>
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<H3><A NAME="functions">Lua functions</A></H3>
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<P>
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<A HREF="manual.html#6.1">basic</A><BR>
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<A HREF="manual.html#pdf-_G">_G</A><BR>
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<A HREF="manual.html#pdf-_VERSION">_VERSION</A><BR>
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<P>
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<A HREF="manual.html#pdf-assert">assert</A><BR>
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<A HREF="manual.html#pdf-collectgarbage">collectgarbage</A><BR>
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<A HREF="manual.html#pdf-dofile">dofile</A><BR>
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@ -173,6 +170,7 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-xpcall">xpcall</A><BR>
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<P>
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<A HREF="manual.html#6.2">coroutine</A><BR>
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<A HREF="manual.html#pdf-coroutine.create">coroutine.create</A><BR>
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<A HREF="manual.html#pdf-coroutine.isyieldable">coroutine.isyieldable</A><BR>
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<A HREF="manual.html#pdf-coroutine.resume">coroutine.resume</A><BR>
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@ -182,8 +180,8 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-coroutine.yield">coroutine.yield</A><BR>
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<P>
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<A HREF="manual.html#6.10">debug</A><BR>
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<A HREF="manual.html#pdf-debug.debug">debug.debug</A><BR>
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<A HREF="manual.html#pdf-debug.Csize">debug.Csize</A><BR>
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<A HREF="manual.html#pdf-debug.gethook">debug.gethook</A><BR>
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<A HREF="manual.html#pdf-debug.getinfo">debug.getinfo</A><BR>
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<A HREF="manual.html#pdf-debug.getlocal">debug.getlocal</A><BR>
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@ -201,15 +199,7 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-debug.upvaluejoin">debug.upvaluejoin</A><BR>
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<P>
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<A HREF="manual.html#pdf-file:close">file:close</A><BR>
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<A HREF="manual.html#pdf-file:flush">file:flush</A><BR>
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<A HREF="manual.html#pdf-file:lines">file:lines</A><BR>
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<A HREF="manual.html#pdf-file:read">file:read</A><BR>
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<A HREF="manual.html#pdf-file:seek">file:seek</A><BR>
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<A HREF="manual.html#pdf-file:setvbuf">file:setvbuf</A><BR>
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<A HREF="manual.html#pdf-file:write">file:write</A><BR>
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<P>
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<A HREF="manual.html#6.8">io</A><BR>
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<A HREF="manual.html#pdf-io.close">io.close</A><BR>
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<A HREF="manual.html#pdf-io.flush">io.flush</A><BR>
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<A HREF="manual.html#pdf-io.input">io.input</A><BR>
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@ -225,11 +215,19 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-io.type">io.type</A><BR>
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<A HREF="manual.html#pdf-io.write">io.write</A><BR>
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<A HREF="manual.html#pdf-file:close">file:close</A><BR>
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<A HREF="manual.html#pdf-file:flush">file:flush</A><BR>
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<A HREF="manual.html#pdf-file:lines">file:lines</A><BR>
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<A HREF="manual.html#pdf-file:read">file:read</A><BR>
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<A HREF="manual.html#pdf-file:seek">file:seek</A><BR>
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<A HREF="manual.html#pdf-file:setvbuf">file:setvbuf</A><BR>
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<A HREF="manual.html#pdf-file:write">file:write</A><BR>
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</TD>
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<TD>
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<H3> </H3>
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<P>
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<A HREF="manual.html#pdf-math">math</A><BR>
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<A HREF="manual.html#6.7">math</A><BR>
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<A HREF="manual.html#pdf-math.abs">math.abs</A><BR>
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<A HREF="manual.html#pdf-math.acos">math.acos</A><BR>
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<A HREF="manual.html#pdf-math.asin">math.asin</A><BR>
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@ -237,10 +235,10 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-math.ceil">math.ceil</A><BR>
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<A HREF="manual.html#pdf-math.cos">math.cos</A><BR>
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<A HREF="manual.html#pdf-math.deg">math.deg</A><BR>
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<A HREF="manual.html#pdf-math.exp">math.exp</A><BR>
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<A HREF="manual.html#pdf-math.floor">math.floor</A><BR>
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<A HREF="manual.html#pdf-math.fmod">math.fmod</A><BR>
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<A HREF="manual.html#pdf-math.huge">math.huge</A><BR>
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<A HREF="manual.html#pdf-math.ifloor">math.ifloor</A><BR>
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<A HREF="manual.html#pdf-math.log">math.log</A><BR>
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<A HREF="manual.html#pdf-math.max">math.max</A><BR>
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<A HREF="manual.html#pdf-math.maxinteger">math.maxinteger</A><BR>
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@ -254,9 +252,12 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-math.sin">math.sin</A><BR>
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<A HREF="manual.html#pdf-math.sqrt">math.sqrt</A><BR>
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<A HREF="manual.html#pdf-math.tan">math.tan</A><BR>
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<A HREF="manual.html#pdf-math.tointeger">math.tointeger</A><BR>
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<A HREF="manual.html#pdf-math.type">math.type</A><BR>
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<A HREF="manual.html#pdf-math.ult">math.ult</A><BR>
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<P>
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<A HREF="manual.html#6.9">os</A><BR>
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<A HREF="manual.html#pdf-os.clock">os.clock</A><BR>
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<A HREF="manual.html#pdf-os.date">os.date</A><BR>
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<A HREF="manual.html#pdf-os.difftime">os.difftime</A><BR>
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@ -270,6 +271,7 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-os.tmpname">os.tmpname</A><BR>
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<P>
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<A HREF="manual.html#6.3">package</A><BR>
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<A HREF="manual.html#pdf-package.config">package.config</A><BR>
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<A HREF="manual.html#pdf-package.cpath">package.cpath</A><BR>
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<A HREF="manual.html#pdf-package.loaded">package.loaded</A><BR>
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@ -280,11 +282,10 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-package.searchpath">package.searchpath</A><BR>
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<P>
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<A HREF="manual.html#6.4">string</A><BR>
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<A HREF="manual.html#pdf-string.byte">string.byte</A><BR>
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<A HREF="manual.html#pdf-string.char">string.char</A><BR>
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<A HREF="manual.html#pdf-string.dump">string.dump</A><BR>
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<A HREF="manual.html#pdf-string.dumpfloat">string.dumpfloat</A><BR>
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<A HREF="manual.html#pdf-string.dumpint">string.dumpint</A><BR>
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<A HREF="manual.html#pdf-string.find">string.find</A><BR>
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<A HREF="manual.html#pdf-string.format">string.format</A><BR>
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<A HREF="manual.html#pdf-string.gmatch">string.gmatch</A><BR>
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@ -292,38 +293,51 @@ Freely available under the terms of the
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<A HREF="manual.html#pdf-string.len">string.len</A><BR>
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<A HREF="manual.html#pdf-string.lower">string.lower</A><BR>
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<A HREF="manual.html#pdf-string.match">string.match</A><BR>
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<A HREF="manual.html#pdf-string.pack">string.pack</A><BR>
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<A HREF="manual.html#pdf-string.packsize">string.packsize</A><BR>
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<A HREF="manual.html#pdf-string.rep">string.rep</A><BR>
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<A HREF="manual.html#pdf-string.reverse">string.reverse</A><BR>
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<A HREF="manual.html#pdf-string.sub">string.sub</A><BR>
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<A HREF="manual.html#pdf-string.undumpfloat">string.undumpfloat</A><BR>
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<A HREF="manual.html#pdf-string.undumpint">string.undumpint</A><BR>
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<A HREF="manual.html#pdf-string.unpack">string.unpack</A><BR>
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<A HREF="manual.html#pdf-string.upper">string.upper</A><BR>
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<P>
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<A HREF="manual.html#6.6">table</A><BR>
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<A HREF="manual.html#pdf-table.concat">table.concat</A><BR>
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<A HREF="manual.html#pdf-table.insert">table.insert</A><BR>
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<A HREF="manual.html#pdf-table.move">table.move</A><BR>
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<A HREF="manual.html#pdf-table.pack">table.pack</A><BR>
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<A HREF="manual.html#pdf-table.remove">table.remove</A><BR>
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<A HREF="manual.html#pdf-table.sort">table.sort</A><BR>
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<A HREF="manual.html#pdf-table.unpack">table.unpack</A><BR>
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<P>
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<A HREF="manual.html#6.5">utf8</A><BR>
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<A HREF="manual.html#pdf-utf8.char">utf8.char</A><BR>
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<A HREF="manual.html#pdf-utf8.charpatt">utf8.charpatt</A><BR>
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<A HREF="manual.html#pdf-utf8.charpattern">utf8.charpattern</A><BR>
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<A HREF="manual.html#pdf-utf8.codepoint">utf8.codepoint</A><BR>
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<A HREF="manual.html#pdf-utf8.codes">utf8.codes</A><BR>
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<A HREF="manual.html#pdf-utf8.len">utf8.len</A><BR>
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<A HREF="manual.html#pdf-utf8.offset">utf8.offset</A><BR>
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<H3><A NAME="env">environment<BR>variables</A></H3>
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<A HREF="manual.html#pdf-LUA_CPATH">LUA_CPATH</A><BR>
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<A HREF="manual.html#pdf-LUA_CPATH_5_3">LUA_CPATH_5_3</A><BR>
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<A HREF="manual.html#pdf-LUA_INIT">LUA_INIT</A><BR>
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<A HREF="manual.html#pdf-LUA_INIT_5_3">LUA_INIT_5_3</A><BR>
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<A HREF="manual.html#pdf-LUA_PATH">LUA_PATH</A><BR>
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<A HREF="manual.html#pdf-LUA_PATH_5_3">LUA_PATH_5_3</A><BR>
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</TD>
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<TD>
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<H3>C API</H3>
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<H3><A NAME="api">C API</A></H3>
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<P>
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<A HREF="manual.html#lua_Alloc">lua_Alloc</A><BR>
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<A HREF="manual.html#lua_CFunction">lua_CFunction</A><BR>
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<A HREF="manual.html#lua_Debug">lua_Debug</A><BR>
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<A HREF="manual.html#lua_Hook">lua_Hook</A><BR>
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<A HREF="manual.html#lua_Integer">lua_Integer</A><BR>
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<A HREF="manual.html#lua_KContext">lua_KContext</A><BR>
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<A HREF="manual.html#lua_KFunction">lua_KFunction</A><BR>
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<A HREF="manual.html#lua_Number">lua_Number</A><BR>
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<A HREF="manual.html#lua_Reader">lua_Reader</A><BR>
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<A HREF="manual.html#lua_error">lua_error</A><BR>
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<A HREF="manual.html#lua_gc">lua_gc</A><BR>
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<A HREF="manual.html#lua_getallocf">lua_getallocf</A><BR>
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<A HREF="manual.html#lua_getextraspace">lua_getextraspace</A><BR>
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<A HREF="manual.html#lua_getfield">lua_getfield</A><BR>
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<A HREF="manual.html#lua_getglobal">lua_getglobal</A><BR>
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<A HREF="manual.html#lua_gethook">lua_gethook</A><BR>
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<A HREF="manual.html#lua_gethookcount">lua_gethookcount</A><BR>
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<A HREF="manual.html#lua_gethookmask">lua_gethookmask</A><BR>
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<A HREF="manual.html#lua_geti">lua_geti</A><BR>
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<A HREF="manual.html#lua_getinfo">lua_getinfo</A><BR>
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<A HREF="manual.html#lua_getlocal">lua_getlocal</A><BR>
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<A HREF="manual.html#lua_getmetatable">lua_getmetatable</A><BR>
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<A HREF="manual.html#lua_newthread">lua_newthread</A><BR>
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<A HREF="manual.html#lua_newuserdata">lua_newuserdata</A><BR>
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<A HREF="manual.html#lua_next">lua_next</A><BR>
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<A HREF="manual.html#lua_numtointeger">lua_numtointeger</A><BR>
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<A HREF="manual.html#lua_numbertointeger">lua_numbertointeger</A><BR>
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<A HREF="manual.html#lua_pcall">lua_pcall</A><BR>
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<A HREF="manual.html#lua_pcallk">lua_pcallk</A><BR>
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<A HREF="manual.html#lua_pop">lua_pop</A><BR>
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<A HREF="manual.html#lua_pushnumber">lua_pushnumber</A><BR>
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<A HREF="manual.html#lua_pushstring">lua_pushstring</A><BR>
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<A HREF="manual.html#lua_pushthread">lua_pushthread</A><BR>
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<A HREF="manual.html#lua_pushunsigned">lua_pushunsigned</A><BR>
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<A HREF="manual.html#lua_pushvalue">lua_pushvalue</A><BR>
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<A HREF="manual.html#lua_pushvfstring">lua_pushvfstring</A><BR>
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<A HREF="manual.html#lua_rawequal">lua_rawequal</A><BR>
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<A HREF="manual.html#lua_setfield">lua_setfield</A><BR>
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<A HREF="manual.html#lua_setglobal">lua_setglobal</A><BR>
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<A HREF="manual.html#lua_sethook">lua_sethook</A><BR>
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<A HREF="manual.html#lua_seti">lua_seti</A><BR>
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<A HREF="manual.html#lua_setlocal">lua_setlocal</A><BR>
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<A HREF="manual.html#lua_setmetatable">lua_setmetatable</A><BR>
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<A HREF="manual.html#lua_settable">lua_settable</A><BR>
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<A HREF="manual.html#lua_setupvalue">lua_setupvalue</A><BR>
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<A HREF="manual.html#lua_setuservalue">lua_setuservalue</A><BR>
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<A HREF="manual.html#lua_status">lua_status</A><BR>
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<A HREF="manual.html#lua_strtonum">lua_strtonum</A><BR>
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<A HREF="manual.html#lua_stringtonumber">lua_stringtonumber</A><BR>
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<A HREF="manual.html#lua_toboolean">lua_toboolean</A><BR>
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<A HREF="manual.html#lua_tocfunction">lua_tocfunction</A><BR>
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<A HREF="manual.html#lua_tointeger">lua_tointeger</A><BR>
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@ -437,8 +453,6 @@ Freely available under the terms of the
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<A HREF="manual.html#lua_topointer">lua_topointer</A><BR>
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<A HREF="manual.html#lua_tostring">lua_tostring</A><BR>
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<A HREF="manual.html#lua_tothread">lua_tothread</A><BR>
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<A HREF="manual.html#lua_tounsigned">lua_tounsigned</A><BR>
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<A HREF="manual.html#lua_tounsignedx">lua_tounsignedx</A><BR>
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<A HREF="manual.html#lua_touserdata">lua_touserdata</A><BR>
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<A HREF="manual.html#lua_type">lua_type</A><BR>
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<A HREF="manual.html#lua_typename">lua_typename</A><BR>
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@ -452,7 +466,7 @@ Freely available under the terms of the
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</TD>
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<TD>
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<H3>auxiliary library</H3>
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<H3><A NAME="auxlib">auxiliary library</A></H3>
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||||
<P>
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||||
<A HREF="manual.html#luaL_Buffer">luaL_Buffer</A><BR>
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<A HREF="manual.html#luaL_Reg">luaL_Reg</A><BR>
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@ -470,9 +484,7 @@ Freely available under the terms of the
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<A HREF="manual.html#luaL_buffinitsize">luaL_buffinitsize</A><BR>
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<A HREF="manual.html#luaL_callmeta">luaL_callmeta</A><BR>
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<A HREF="manual.html#luaL_checkany">luaL_checkany</A><BR>
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<A HREF="manual.html#luaL_checkint">luaL_checkint</A><BR>
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<A HREF="manual.html#luaL_checkinteger">luaL_checkinteger</A><BR>
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<A HREF="manual.html#luaL_checklong">luaL_checklong</A><BR>
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<A HREF="manual.html#luaL_checklstring">luaL_checklstring</A><BR>
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<A HREF="manual.html#luaL_checknumber">luaL_checknumber</A><BR>
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<A HREF="manual.html#luaL_checkoption">luaL_checkoption</A><BR>
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@ -480,7 +492,6 @@ Freely available under the terms of the
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|||
<A HREF="manual.html#luaL_checkstring">luaL_checkstring</A><BR>
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||||
<A HREF="manual.html#luaL_checktype">luaL_checktype</A><BR>
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||||
<A HREF="manual.html#luaL_checkudata">luaL_checkudata</A><BR>
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||||
<A HREF="manual.html#luaL_checkunsigned">luaL_checkunsigned</A><BR>
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<A HREF="manual.html#luaL_checkversion">luaL_checkversion</A><BR>
|
||||
<A HREF="manual.html#luaL_dofile">luaL_dofile</A><BR>
|
||||
<A HREF="manual.html#luaL_dostring">luaL_dostring</A><BR>
|
||||
|
@ -502,13 +513,10 @@ Freely available under the terms of the
|
|||
<A HREF="manual.html#luaL_newmetatable">luaL_newmetatable</A><BR>
|
||||
<A HREF="manual.html#luaL_newstate">luaL_newstate</A><BR>
|
||||
<A HREF="manual.html#luaL_openlibs">luaL_openlibs</A><BR>
|
||||
<A HREF="manual.html#luaL_optint">luaL_optint</A><BR>
|
||||
<A HREF="manual.html#luaL_optinteger">luaL_optinteger</A><BR>
|
||||
<A HREF="manual.html#luaL_optlong">luaL_optlong</A><BR>
|
||||
<A HREF="manual.html#luaL_optlstring">luaL_optlstring</A><BR>
|
||||
<A HREF="manual.html#luaL_optnumber">luaL_optnumber</A><BR>
|
||||
<A HREF="manual.html#luaL_optstring">luaL_optstring</A><BR>
|
||||
<A HREF="manual.html#luaL_optunsigned">luaL_optunsigned</A><BR>
|
||||
<A HREF="manual.html#luaL_prepbuffer">luaL_prepbuffer</A><BR>
|
||||
<A HREF="manual.html#luaL_prepbuffsize">luaL_prepbuffsize</A><BR>
|
||||
<A HREF="manual.html#luaL_pushresult">luaL_pushresult</A><BR>
|
||||
|
@ -524,6 +532,76 @@ Freely available under the terms of the
|
|||
<A HREF="manual.html#luaL_unref">luaL_unref</A><BR>
|
||||
<A HREF="manual.html#luaL_where">luaL_where</A><BR>
|
||||
|
||||
<H3><A NAME="library">standard library</A></H3>
|
||||
<P>
|
||||
<A HREF="manual.html#pdf-luaopen_base">luaopen_base</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_coroutine">luaopen_coroutine</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_debug">luaopen_debug</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_io">luaopen_io</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_math">luaopen_math</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_os">luaopen_os</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_package">luaopen_package</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_string">luaopen_string</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_table">luaopen_table</A><BR>
|
||||
<A HREF="manual.html#pdf-luaopen_utf8">luaopen_utf8</A><BR>
|
||||
|
||||
<H3><A NAME="constants">constants</A></H3>
|
||||
<A HREF="manual.html#pdf-LUA_ERRERR">LUA_ERRERR</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_ERRFILE">LUA_ERRFILE</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_ERRGCMM">LUA_ERRGCMM</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_ERRMEM">LUA_ERRMEM</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_ERRRUN">LUA_ERRRUN</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_ERRSYNTAX">LUA_ERRSYNTAX</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_HOOKCALL">LUA_HOOKCALL</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_HOOKCOUNT">LUA_HOOKCOUNT</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_HOOKLINE">LUA_HOOKLINE</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_HOOKRET">LUA_HOOKRET</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_HOOKTAILCALL">LUA_HOOKTAILCALL</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_MASKCALL">LUA_MASKCALL</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_MASKCOUNT">LUA_MASKCOUNT</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_MASKLINE">LUA_MASKLINE</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_MASKRET">LUA_MASKRET</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_MAXINTEGER">LUA_MAXINTEGER</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_MININTEGER">LUA_MININTEGER</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_MINSTACK">LUA_MINSTACK</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_MULTRET">LUA_MULTRET</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_NOREF">LUA_NOREF</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OK">LUA_OK</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPADD">LUA_OPADD</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPBAND">LUA_OPBAND</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPBNOT">LUA_OPBNOT</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPBOR">LUA_OPBOR</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPBXOR">LUA_OPBXOR</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPDIV">LUA_OPDIV</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPEQ">LUA_OPEQ</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPIDIV">LUA_OPIDIV</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPLE">LUA_OPLE</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPLT">LUA_OPLT</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPMOD">LUA_OPMOD</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPMUL">LUA_OPMUL</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPPOW">LUA_OPPOW</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPSHL">LUA_OPSHL</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPSHR">LUA_OPSHR</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPSUB">LUA_OPSUB</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_OPUNM">LUA_OPUNM</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_REFNIL">LUA_REFNIL</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_REGISTRYINDEX">LUA_REGISTRYINDEX</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_RIDX_GLOBALS">LUA_RIDX_GLOBALS</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_RIDX_MAINTHREAD">LUA_RIDX_MAINTHREAD</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TBOOLEAN">LUA_TBOOLEAN</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TFUNCTION">LUA_TFUNCTION</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TLIGHTUSERDATA">LUA_TLIGHTUSERDATA</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TNIL">LUA_TNIL</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TNONE">LUA_TNONE</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TNUMBER">LUA_TNUMBER</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TSTRING">LUA_TSTRING</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TTABLE">LUA_TTABLE</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TTHREAD">LUA_TTHREAD</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_TUSERDATA">LUA_TUSERDATA</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_USE_APICHECK">LUA_USE_APICHECK</A><BR>
|
||||
<A HREF="manual.html#pdf-LUA_YIELD">LUA_YIELD</A><BR>
|
||||
<A HREF="manual.html#pdf-LUAL_BUFFERSIZE">LUAL_BUFFERSIZE</A><BR>
|
||||
|
||||
</TD>
|
||||
</TR>
|
||||
</TABLE>
|
||||
|
@ -531,10 +609,10 @@ Freely available under the terms of the
|
|||
<HR>
|
||||
<SMALL CLASS="footer">
|
||||
Last update:
|
||||
Thu Jun 19 17:09:46 BRT 2014
|
||||
Tue Dec 9 21:26:07 BRST 2014
|
||||
</SMALL>
|
||||
<!--
|
||||
Last change: updated for Lua 5.3.0 (work3)
|
||||
Last change: updated for Lua 5.3.0 (final)
|
||||
-->
|
||||
|
||||
</BODY>
|
||||
|
|
|
@ -1,7 +1,6 @@
|
|||
.\" $NetBSD: lua.1,v 1.2 2014/07/19 18:38:33 lneto Exp $
|
||||
.\" $NetBSD: lua.1,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
.\"
|
||||
.\" $Id: lua.1,v 1.2 2014/07/19 18:38:33 lneto Exp $
|
||||
.TH LUA 1 "$Date: 2014/07/19 18:38:33 $"
|
||||
.TH LUA 1 "Date: 2014/12/10 15:55:45 "
|
||||
.SH NAME
|
||||
lua \- Lua interpreter
|
||||
.SH SYNOPSIS
|
||||
|
@ -52,22 +51,18 @@ In interactive mode,
|
|||
prompts the user,
|
||||
reads lines from the standard input,
|
||||
and executes them as they are read.
|
||||
If the line contains an expression or list of expressions,
|
||||
then the line is evaluated and the results are printed.
|
||||
If a line does not contain a complete statement,
|
||||
then a secondary prompt is displayed and
|
||||
lines are read until a complete statement is formed or
|
||||
a syntax error is found.
|
||||
If a line starts with
|
||||
.BR '=' ,
|
||||
then
|
||||
.B lua
|
||||
evaluates and displays
|
||||
the values of the expressions in the remainder of the line.
|
||||
.LP
|
||||
At the very start,
|
||||
before even handling the command line,
|
||||
.B lua
|
||||
checks the contents of the environment variables
|
||||
.B LUA_INIT_5_2
|
||||
.B LUA_INIT_5_3
|
||||
or
|
||||
.BR LUA_INIT ,
|
||||
in that order.
|
||||
|
|
|
@ -53,12 +53,17 @@ a:visited {
|
|||
a:link:hover, a:visited:hover {
|
||||
color: #000080 ;
|
||||
background-color: #D0D0FF ;
|
||||
border-radius: 4px;
|
||||
}
|
||||
|
||||
a:link:active, a:visited:active {
|
||||
color: #FF0000 ;
|
||||
}
|
||||
|
||||
h1 a img {
|
||||
vertical-align: text-bottom ;
|
||||
}
|
||||
|
||||
hr {
|
||||
border: 0 ;
|
||||
height: 1px ;
|
||||
|
@ -86,11 +91,15 @@ table hr {
|
|||
input[type=text] {
|
||||
border: solid #a0a0a0 2px ;
|
||||
border-radius: 2em ;
|
||||
-moz-border-radius: 2em ;
|
||||
background-image: url('images/search.png') ;
|
||||
background-repeat: no-repeat;
|
||||
background-repeat: no-repeat ;
|
||||
background-position: 4px center ;
|
||||
padding-left: 20px ;
|
||||
height: 2em ;
|
||||
}
|
||||
|
||||
pre.session {
|
||||
background-color: #F8F8F8 ;
|
||||
padding: 1em ;
|
||||
border-radius: 8px ;
|
||||
}
|
||||
|
|
File diff suppressed because it is too large
Load Diff
|
@ -31,13 +31,9 @@ tt, kbd, code {
|
|||
<HR>
|
||||
<H1>
|
||||
<A HREF="http://www.lua.org/"><IMG SRC="logo.gif" ALT="Lua" BORDER=0></A>
|
||||
Welcome to Lua 5.3 (work3)
|
||||
Welcome to Lua 5.3.0
|
||||
</H1>
|
||||
|
||||
<P>
|
||||
<IMG SRC="alert.png" ALIGN="absbottom">
|
||||
<EM>All details may change in the final version.</EM>
|
||||
|
||||
<P>
|
||||
<A HREF="#about">about</A>
|
||||
·
|
||||
|
@ -114,7 +110,7 @@ Here are the details.
|
|||
<OL>
|
||||
<LI>
|
||||
Open a terminal window and move to
|
||||
the top-level directory, which is named <TT>lua-5.3.0-work3</TT>.
|
||||
the top-level directory, which is named <TT>lua-5.3.0</TT>.
|
||||
The <TT>Makefile</TT> there controls both the build process and the installation process.
|
||||
<P>
|
||||
<LI>
|
||||
|
@ -122,14 +118,14 @@ The <TT>Makefile</TT> there controls both the build process and the installation
|
|||
The platforms currently supported are:
|
||||
<P>
|
||||
<P CLASS="display">
|
||||
aix ansi bsd freebsd generic linux macosx mingw posix solaris
|
||||
aix bsd c89 freebsd generic linux macosx mingw posix solaris
|
||||
</P>
|
||||
<P>
|
||||
If your platform is listed, just do "<KBD>make xxx</KBD>", where xxx
|
||||
is your platform name.
|
||||
<P>
|
||||
If your platform is not listed, try the closest one or posix, generic,
|
||||
ansi, in this order.
|
||||
c89, in this order.
|
||||
<P>
|
||||
<LI>
|
||||
The compilation takes only a few moments
|
||||
|
@ -255,6 +251,7 @@ compiler:
|
|||
be linked statically into the host program and its symbols exported for
|
||||
dynamic linking; <TT>src/Makefile</TT> does this for the Lua interpreter.
|
||||
For Windows, we recommend that the Lua library be a DLL.
|
||||
In all cases, the compiler luac should be linked statically.
|
||||
|
||||
<P>
|
||||
As mentioned above, you may edit <TT>src/luaconf.h</TT> to customize
|
||||
|
@ -271,40 +268,50 @@ lists the
|
|||
|
||||
<H3>Main changes</H3>
|
||||
<UL>
|
||||
<LI> support for integers (64-bit by default)
|
||||
<LI> better support for small architectures ("Small Lua" with 32-bit numbers)
|
||||
<LI> integers (64-bit by default)
|
||||
<LI> official support for 32-bit numbers
|
||||
<LI> bitwise operators
|
||||
<LI> basic utf-8 library
|
||||
<LI> utf-8 escapes in literal strings
|
||||
<LI> functions for packing/unpacking numbers
|
||||
<LI> userdata can have any Lua value as uservalue
|
||||
<LI> strip option in <CODE>lua_dump</CODE>/<CODE>string.dump</CODE>
|
||||
<LI> basic utf-8 support
|
||||
<LI> functions for packing and unpacking values
|
||||
|
||||
</UL>
|
||||
|
||||
Here are the other changes introduced in Lua 5.3:
|
||||
<H3>Language</H3>
|
||||
<UL>
|
||||
<LI>
|
||||
<LI> userdata can have any Lua value as uservalue
|
||||
<LI> integer division
|
||||
<LI> more flexible rules for some metamethods
|
||||
</UL>
|
||||
|
||||
<H3>Libraries</H3>
|
||||
<UL>
|
||||
<LI>
|
||||
<LI> <CODE>ipairs</CODE> and the table library respect metamethods
|
||||
<LI> strip option in <CODE>string.dump</CODE>
|
||||
<LI> table library respects metamethods
|
||||
<LI> new function <CODE>table.move</CODE>
|
||||
<LI> new function <CODE>string.pack</CODE>
|
||||
<LI> new function <CODE>string.unpack</CODE>
|
||||
<LI> new function <CODE>string.packsize</CODE>
|
||||
</UL>
|
||||
|
||||
<H3>C API</H3>
|
||||
<UL>
|
||||
<LI>
|
||||
</UL>
|
||||
|
||||
<H3>Implementation</H3>
|
||||
<UL>
|
||||
<LI>
|
||||
<LI> simpler API for continuation functions in C
|
||||
<LI> <CODE>lua_gettable</CODE> and similar functions return type of resulted value
|
||||
<LI> strip option in <CODE>lua_dump</CODE>
|
||||
<LI> new function: <CODE>lua_geti</CODE>
|
||||
<LI> new function: <CODE>lua_seti</CODE>
|
||||
<LI> new function: <CODE>lua_isyieldable</CODE>
|
||||
<LI> new function: <CODE>lua_numbertointeger</CODE>
|
||||
<LI> new function: <CODE>lua_rotate</CODE>
|
||||
<LI> new function: <CODE>lua_stringtonumber</CODE>
|
||||
</UL>
|
||||
|
||||
<H3>Lua standalone interpreter</H3>
|
||||
<UL>
|
||||
<LI> Can be used as calculator; no need to prefix with '='
|
||||
<LI> can be used as calculator; no need to prefix with '='
|
||||
<LI> <CODE>arg</CODE> table available to all code
|
||||
</UL>
|
||||
|
||||
<H2><A NAME="license">License</A></H2>
|
||||
|
@ -326,7 +333,7 @@ For details, see
|
|||
<A HREF="http://www.lua.org/license.html">this</A>.
|
||||
|
||||
<BLOCKQUOTE STYLE="padding-bottom: 0em">
|
||||
Copyright © 1994–2014 Lua.org, PUC-Rio.
|
||||
Copyright © 1994–2015 Lua.org, PUC-Rio.
|
||||
|
||||
<P>
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
|
@ -354,10 +361,10 @@ THE SOFTWARE.
|
|||
<HR>
|
||||
<SMALL CLASS="footer">
|
||||
Last update:
|
||||
Wed Jun 11 22:54:18 BRT 2014
|
||||
Fri Dec 12 09:58:42 BRST 2014
|
||||
</SMALL>
|
||||
<!--
|
||||
Last change: updated for Lua 5.3.0 (work3)
|
||||
Last change: updated for Lua 5.3.0 (final)
|
||||
-->
|
||||
|
||||
</BODY>
|
||||
|
|
|
@ -6,8 +6,8 @@
|
|||
# Your platform. See PLATS for possible values.
|
||||
PLAT= none
|
||||
|
||||
CC= gcc
|
||||
CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_ALL $(SYSCFLAGS) $(MYCFLAGS)
|
||||
CC= gcc -std=gnu99
|
||||
CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_2 $(SYSCFLAGS) $(MYCFLAGS)
|
||||
LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
|
||||
LIBS= -lm $(SYSLIBS) $(MYLIBS)
|
||||
|
||||
|
@ -26,7 +26,7 @@ MYOBJS=
|
|||
|
||||
# == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
|
||||
|
||||
PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
|
||||
PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris
|
||||
|
||||
LUA_A= liblua.a
|
||||
CORE_O= lapi.o lcode.o lctype.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o \
|
||||
|
@ -91,12 +91,16 @@ none:
|
|||
aix:
|
||||
$(MAKE) $(ALL) CC="xlc" CFLAGS="-O2 -DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-ldl" SYSLDFLAGS="-brtl -bexpall"
|
||||
|
||||
ansi:
|
||||
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_ANSI"
|
||||
|
||||
bsd:
|
||||
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-Wl,-E"
|
||||
|
||||
c89:
|
||||
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_C89" CC="gcc -std=c89"
|
||||
@echo ''
|
||||
@echo '*** C89 does not guarantee 64-bit integers for Lua.'
|
||||
@echo ''
|
||||
|
||||
|
||||
freebsd:
|
||||
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -lreadline"
|
||||
|
||||
|
@ -125,65 +129,69 @@ solaris:
|
|||
|
||||
# DO NOT DELETE
|
||||
|
||||
lapi.o: lapi.c lua.h luaconf.h lapi.h llimits.h lstate.h lobject.h ltm.h \
|
||||
lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h lstring.h ltable.h lundump.h \
|
||||
lvm.h
|
||||
lauxlib.o: lauxlib.c lua.h luaconf.h lauxlib.h
|
||||
lbaselib.o: lbaselib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
lbitlib.o: lbitlib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
lcode.o: lcode.c lua.h luaconf.h lcode.h llex.h lobject.h llimits.h \
|
||||
lzio.h lmem.h lopcodes.h lparser.h ldebug.h lstate.h ltm.h ldo.h lgc.h \
|
||||
lstring.h ltable.h lvm.h
|
||||
lcorolib.o: lcorolib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
lctype.o: lctype.c lctype.h lua.h luaconf.h llimits.h
|
||||
ldblib.o: ldblib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
ldebug.o: ldebug.c lua.h luaconf.h lapi.h llimits.h lstate.h lobject.h \
|
||||
ltm.h lzio.h lmem.h lcode.h llex.h lopcodes.h lparser.h ldebug.h ldo.h \
|
||||
lfunc.h lstring.h lgc.h ltable.h lvm.h
|
||||
ldo.o: ldo.c lua.h luaconf.h lapi.h llimits.h lstate.h lobject.h ltm.h \
|
||||
lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h lopcodes.h lparser.h \
|
||||
lstring.h ltable.h lundump.h lvm.h
|
||||
ldump.o: ldump.c lua.h luaconf.h lobject.h llimits.h lstate.h ltm.h \
|
||||
lzio.h lmem.h lundump.h
|
||||
lfunc.o: lfunc.c lua.h luaconf.h lfunc.h lobject.h llimits.h lgc.h \
|
||||
lstate.h ltm.h lzio.h lmem.h
|
||||
lgc.o: lgc.c lua.h luaconf.h ldebug.h lstate.h lobject.h llimits.h ltm.h \
|
||||
lzio.h lmem.h ldo.h lfunc.h lgc.h lstring.h ltable.h
|
||||
linit.o: linit.c lua.h luaconf.h lualib.h lauxlib.h
|
||||
liolib.o: liolib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
llex.o: llex.c lua.h luaconf.h lctype.h llimits.h ldo.h lobject.h \
|
||||
lstate.h ltm.h lzio.h lmem.h lgc.h llex.h lparser.h lstring.h ltable.h
|
||||
lmathlib.o: lmathlib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
lmem.o: lmem.c lua.h luaconf.h ldebug.h lstate.h lobject.h llimits.h \
|
||||
ltm.h lzio.h lmem.h ldo.h lgc.h
|
||||
loadlib.o: loadlib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
lobject.o: lobject.c lua.h luaconf.h lctype.h llimits.h ldebug.h lstate.h \
|
||||
lobject.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h lvm.h
|
||||
lopcodes.o: lopcodes.c lopcodes.h llimits.h lua.h luaconf.h
|
||||
loslib.o: loslib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
lparser.o: lparser.c lua.h luaconf.h lcode.h llex.h lobject.h llimits.h \
|
||||
lzio.h lmem.h lopcodes.h lparser.h ldebug.h lstate.h ltm.h ldo.h lfunc.h \
|
||||
lstring.h lgc.h ltable.h
|
||||
lstate.o: lstate.c lua.h luaconf.h lapi.h llimits.h lstate.h lobject.h \
|
||||
ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h llex.h lstring.h \
|
||||
ltable.h
|
||||
lstring.o: lstring.c lua.h luaconf.h ldebug.h lstate.h lobject.h \
|
||||
llimits.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h
|
||||
lstrlib.o: lstrlib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
ltable.o: ltable.c lua.h luaconf.h ldebug.h lstate.h lobject.h llimits.h \
|
||||
ltm.h lzio.h lmem.h ldo.h lgc.h lstring.h ltable.h lvm.h
|
||||
ltablib.o: ltablib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
ltm.o: ltm.c lua.h luaconf.h ldebug.h lstate.h lobject.h llimits.h ltm.h \
|
||||
lzio.h lmem.h ldo.h lstring.h lgc.h ltable.h lvm.h
|
||||
lua.o: lua.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
luac.o: luac.c lua.h luaconf.h lauxlib.h lobject.h llimits.h lstate.h \
|
||||
ltm.h lzio.h lmem.h lundump.h ldebug.h lopcodes.h
|
||||
lundump.o: lundump.c lua.h luaconf.h ldebug.h lstate.h lobject.h \
|
||||
llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lstring.h lgc.h lundump.h
|
||||
lutf8lib.o: lutf8lib.c lua.h luaconf.h lauxlib.h lualib.h
|
||||
lvm.o: lvm.c lua.h luaconf.h ldebug.h lstate.h lobject.h llimits.h ltm.h \
|
||||
lzio.h lmem.h ldo.h lfunc.h lgc.h lopcodes.h lstring.h ltable.h lvm.h
|
||||
lzio.o: lzio.c lua.h luaconf.h llimits.h lmem.h lstate.h lobject.h ltm.h \
|
||||
lzio.h
|
||||
lapi.o: lapi.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
|
||||
lobject.h ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h lstring.h \
|
||||
ltable.h lundump.h lvm.h
|
||||
lauxlib.o: lauxlib.c lprefix.h lua.h luaconf.h lauxlib.h
|
||||
lbaselib.o: lbaselib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
lbitlib.o: lbitlib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
lcode.o: lcode.c lprefix.h lua.h luaconf.h lcode.h llex.h lobject.h \
|
||||
llimits.h lzio.h lmem.h lopcodes.h lparser.h ldebug.h lstate.h ltm.h \
|
||||
ldo.h lgc.h lstring.h ltable.h lvm.h
|
||||
lcorolib.o: lcorolib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
lctype.o: lctype.c lprefix.h lctype.h lua.h luaconf.h llimits.h
|
||||
ldblib.o: ldblib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
ldebug.o: ldebug.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
|
||||
lobject.h ltm.h lzio.h lmem.h lcode.h llex.h lopcodes.h lparser.h \
|
||||
ldebug.h ldo.h lfunc.h lstring.h lgc.h ltable.h lvm.h
|
||||
ldo.o: ldo.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
|
||||
lobject.h ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h lopcodes.h \
|
||||
lparser.h lstring.h ltable.h lundump.h lvm.h
|
||||
ldump.o: ldump.c lprefix.h lua.h luaconf.h lobject.h llimits.h lstate.h \
|
||||
ltm.h lzio.h lmem.h lundump.h
|
||||
lfunc.o: lfunc.c lprefix.h lua.h luaconf.h lfunc.h lobject.h llimits.h \
|
||||
lgc.h lstate.h ltm.h lzio.h lmem.h
|
||||
lgc.o: lgc.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
|
||||
llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lgc.h lstring.h ltable.h
|
||||
linit.o: linit.c lprefix.h lua.h luaconf.h lualib.h lauxlib.h
|
||||
liolib.o: liolib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
llex.o: llex.c lprefix.h lua.h luaconf.h lctype.h llimits.h ldo.h \
|
||||
lobject.h lstate.h ltm.h lzio.h lmem.h lgc.h llex.h lparser.h lstring.h \
|
||||
ltable.h
|
||||
lmathlib.o: lmathlib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
lmem.o: lmem.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
|
||||
llimits.h ltm.h lzio.h lmem.h ldo.h lgc.h
|
||||
loadlib.o: loadlib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
lobject.o: lobject.c lprefix.h lua.h luaconf.h lctype.h llimits.h \
|
||||
ldebug.h lstate.h lobject.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h \
|
||||
lvm.h
|
||||
lopcodes.o: lopcodes.c lprefix.h lopcodes.h llimits.h lua.h luaconf.h
|
||||
loslib.o: loslib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
lparser.o: lparser.c lprefix.h lua.h luaconf.h lcode.h llex.h lobject.h \
|
||||
llimits.h lzio.h lmem.h lopcodes.h lparser.h ldebug.h lstate.h ltm.h \
|
||||
ldo.h lfunc.h lstring.h lgc.h ltable.h
|
||||
lstate.o: lstate.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
|
||||
lobject.h ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h llex.h \
|
||||
lstring.h ltable.h
|
||||
lstring.o: lstring.c lprefix.h lua.h luaconf.h ldebug.h lstate.h \
|
||||
lobject.h llimits.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h
|
||||
lstrlib.o: lstrlib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
ltable.o: ltable.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
|
||||
llimits.h ltm.h lzio.h lmem.h ldo.h lgc.h lstring.h ltable.h lvm.h
|
||||
ltablib.o: ltablib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
ltm.o: ltm.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
|
||||
llimits.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h ltable.h lvm.h
|
||||
lua.o: lua.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
luac.o: luac.c lprefix.h lua.h luaconf.h lauxlib.h lobject.h llimits.h \
|
||||
lstate.h ltm.h lzio.h lmem.h lundump.h ldebug.h lopcodes.h
|
||||
lundump.o: lundump.c lprefix.h lua.h luaconf.h ldebug.h lstate.h \
|
||||
lobject.h llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lstring.h lgc.h \
|
||||
lundump.h
|
||||
lutf8lib.o: lutf8lib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
|
||||
lvm.o: lvm.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
|
||||
llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lgc.h lopcodes.h lstring.h \
|
||||
ltable.h lvm.h
|
||||
lzio.o: lzio.c lprefix.h lua.h luaconf.h llimits.h lmem.h lstate.h \
|
||||
lobject.h ltm.h lzio.h
|
||||
|
||||
# (end of Makefile)
|
||||
|
|
|
@ -1,23 +1,22 @@
|
|||
/* $NetBSD: lapi.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lapi.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lapi.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lapi.c,v 2.244 2014/12/26 14:43:45 roberto Exp
|
||||
** Lua API
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lapi_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <math.h>
|
||||
#endif
|
||||
#include <stdarg.h>
|
||||
#ifndef _KERNEL
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lapi_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lapi.h"
|
||||
|
@ -50,32 +49,35 @@ const char lua_ident[] =
|
|||
/* test for pseudo index */
|
||||
#define ispseudo(i) ((i) <= LUA_REGISTRYINDEX)
|
||||
|
||||
/* test for upvalue */
|
||||
#define isupvalue(i) ((i) < LUA_REGISTRYINDEX)
|
||||
|
||||
/* test for valid but not pseudo index */
|
||||
#define isstackindex(i, o) (isvalid(o) && !ispseudo(i))
|
||||
|
||||
#define api_checkvalidindex(L, o) api_check(L, isvalid(o), "invalid index")
|
||||
#define api_checkvalidindex(o) api_check(isvalid(o), "invalid index")
|
||||
|
||||
#define api_checkstackindex(L, i, o) \
|
||||
api_check(L, isstackindex(i, o), "index not in the stack")
|
||||
#define api_checkstackindex(i, o) \
|
||||
api_check(isstackindex(i, o), "index not in the stack")
|
||||
|
||||
|
||||
static TValue *index2addr (lua_State *L, int idx) {
|
||||
CallInfo *ci = L->ci;
|
||||
if (idx > 0) {
|
||||
TValue *o = ci->func + idx;
|
||||
api_check(L, idx <= ci->top - (ci->func + 1), "unacceptable index");
|
||||
api_check(idx <= ci->top - (ci->func + 1), "unacceptable index");
|
||||
if (o >= L->top) return NONVALIDVALUE;
|
||||
else return o;
|
||||
}
|
||||
else if (!ispseudo(idx)) { /* negative index */
|
||||
api_check(L, idx != 0 && -idx <= L->top - (ci->func + 1), "invalid index");
|
||||
api_check(idx != 0 && -idx <= L->top - (ci->func + 1), "invalid index");
|
||||
return L->top + idx;
|
||||
}
|
||||
else if (idx == LUA_REGISTRYINDEX)
|
||||
return &G(L)->l_registry;
|
||||
else { /* upvalues */
|
||||
idx = LUA_REGISTRYINDEX - idx;
|
||||
api_check(L, idx <= MAXUPVAL + 1, "upvalue index too large");
|
||||
api_check(idx <= MAXUPVAL + 1, "upvalue index too large");
|
||||
if (ttislcf(ci->func)) /* light C function? */
|
||||
return NONVALIDVALUE; /* it has no upvalues */
|
||||
else {
|
||||
|
@ -96,22 +98,22 @@ static void growstack (lua_State *L, void *ud) {
|
|||
}
|
||||
|
||||
|
||||
LUA_API int lua_checkstack (lua_State *L, int size) {
|
||||
LUA_API int lua_checkstack (lua_State *L, int n) {
|
||||
int res;
|
||||
CallInfo *ci = L->ci;
|
||||
lua_lock(L);
|
||||
api_check(L, size >= 0, "negative 'size'");
|
||||
if (L->stack_last - L->top > size) /* stack large enough? */
|
||||
api_check(n >= 0, "negative 'n'");
|
||||
if (L->stack_last - L->top > n) /* stack large enough? */
|
||||
res = 1; /* yes; check is OK */
|
||||
else { /* no; need to grow stack */
|
||||
int inuse = cast_int(L->top - L->stack) + EXTRA_STACK;
|
||||
if (inuse > LUAI_MAXSTACK - size) /* can grow without overflow? */
|
||||
if (inuse > LUAI_MAXSTACK - n) /* can grow without overflow? */
|
||||
res = 0; /* no */
|
||||
else /* try to grow stack */
|
||||
res = (luaD_rawrunprotected(L, &growstack, &size) == LUA_OK);
|
||||
res = (luaD_rawrunprotected(L, &growstack, &n) == LUA_OK);
|
||||
}
|
||||
if (res && ci->top < L->top + size)
|
||||
ci->top = L->top + size; /* adjust frame top */
|
||||
if (res && ci->top < L->top + n)
|
||||
ci->top = L->top + n; /* adjust frame top */
|
||||
lua_unlock(L);
|
||||
return res;
|
||||
}
|
||||
|
@ -122,8 +124,8 @@ LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
|
|||
if (from == to) return;
|
||||
lua_lock(to);
|
||||
api_checknelems(from, n);
|
||||
api_check(from, G(from) == G(to), "moving among independent states");
|
||||
api_check(from, to->ci->top - to->top >= n, "not enough elements to move");
|
||||
api_check(G(from) == G(to), "moving among independent states");
|
||||
api_check(to->ci->top - to->top >= n, "not enough elements to move");
|
||||
from->top -= n;
|
||||
for (i = 0; i < n; i++) {
|
||||
setobj2s(to, to->top++, from->top + i);
|
||||
|
@ -174,14 +176,14 @@ LUA_API void lua_settop (lua_State *L, int idx) {
|
|||
StkId func = L->ci->func;
|
||||
lua_lock(L);
|
||||
if (idx >= 0) {
|
||||
api_check(L, idx <= L->stack_last - (func + 1), "new top too large");
|
||||
api_check(idx <= L->stack_last - (func + 1), "new top too large");
|
||||
while (L->top < (func + 1) + idx)
|
||||
setnilvalue(L->top++);
|
||||
L->top = (func + 1) + idx;
|
||||
}
|
||||
else {
|
||||
api_check(L, -(idx+1) <= (L->top - (func + 1)), "invalid new top");
|
||||
L->top += idx+1; /* `subtract' index (index is negative) */
|
||||
api_check(-(idx+1) <= (L->top - (func + 1)), "invalid new top");
|
||||
L->top += idx+1; /* 'subtract' index (index is negative) */
|
||||
}
|
||||
lua_unlock(L);
|
||||
}
|
||||
|
@ -189,7 +191,7 @@ LUA_API void lua_settop (lua_State *L, int idx) {
|
|||
|
||||
/*
|
||||
** Reverse the stack segment from 'from' to 'to'
|
||||
** (auxiliar to 'lua_rotate')
|
||||
** (auxiliary to 'lua_rotate')
|
||||
*/
|
||||
static void reverse (lua_State *L, StkId from, StkId to) {
|
||||
for (; from < to; from++, to--) {
|
||||
|
@ -210,8 +212,8 @@ LUA_API void lua_rotate (lua_State *L, int idx, int n) {
|
|||
lua_lock(L);
|
||||
t = L->top - 1; /* end of stack segment being rotated */
|
||||
p = index2addr(L, idx); /* start of segment */
|
||||
api_checkstackindex(L, idx, p);
|
||||
api_check(L, (n >= 0 ? n : -n) <= (t - p + 1), "invalid 'n'");
|
||||
api_checkstackindex(idx, p);
|
||||
api_check((n >= 0 ? n : -n) <= (t - p + 1), "invalid 'n'");
|
||||
m = (n >= 0 ? t - n : p - n - 1); /* end of prefix */
|
||||
reverse(L, p, m); /* reverse the prefix with length 'n' */
|
||||
reverse(L, m + 1, t); /* reverse the suffix */
|
||||
|
@ -220,31 +222,17 @@ LUA_API void lua_rotate (lua_State *L, int idx, int n) {
|
|||
}
|
||||
|
||||
|
||||
static void moveto (lua_State *L, TValue *fr, int idx) {
|
||||
TValue *to = index2addr(L, idx);
|
||||
api_checkvalidindex(L, to);
|
||||
LUA_API void lua_copy (lua_State *L, int fromidx, int toidx) {
|
||||
TValue *fr, *to;
|
||||
lua_lock(L);
|
||||
fr = index2addr(L, fromidx);
|
||||
to = index2addr(L, toidx);
|
||||
api_checkvalidindex(to);
|
||||
setobj(L, to, fr);
|
||||
if (idx < LUA_REGISTRYINDEX) /* function upvalue? */
|
||||
if (isupvalue(toidx)) /* function upvalue? */
|
||||
luaC_barrier(L, clCvalue(L->ci->func), fr);
|
||||
/* LUA_REGISTRYINDEX does not need gc barrier
|
||||
(collector revisits it before finishing collection) */
|
||||
}
|
||||
|
||||
|
||||
LUA_API void lua_replace (lua_State *L, int idx) {
|
||||
lua_lock(L);
|
||||
api_checknelems(L, 1);
|
||||
moveto(L, L->top - 1, idx);
|
||||
L->top--;
|
||||
lua_unlock(L);
|
||||
}
|
||||
|
||||
|
||||
LUA_API void lua_copy (lua_State *L, int fromidx, int toidx) {
|
||||
TValue *fr;
|
||||
lua_lock(L);
|
||||
fr = index2addr(L, fromidx);
|
||||
moveto(L, fr, toidx);
|
||||
lua_unlock(L);
|
||||
}
|
||||
|
||||
|
@ -271,6 +259,7 @@ LUA_API int lua_type (lua_State *L, int idx) {
|
|||
|
||||
LUA_API const char *lua_typename (lua_State *L, int t) {
|
||||
UNUSED(L);
|
||||
api_check(LUA_TNONE <= t && t < LUA_NUMTAGS, "invalid tag");
|
||||
return ttypename(t);
|
||||
}
|
||||
|
||||
|
@ -287,21 +276,18 @@ LUA_API int lua_isinteger (lua_State *L, int idx) {
|
|||
}
|
||||
|
||||
|
||||
LUA_API int lua_isnumber (lua_State *L, int idx) {
|
||||
#ifndef _KERNEL
|
||||
LUA_API int lua_isnumber (lua_State *L, int idx) {
|
||||
lua_Number n;
|
||||
const TValue *o = index2addr(L, idx);
|
||||
return tonumber(o, &n);
|
||||
#else
|
||||
StkId o = index2addr(L, idx);
|
||||
return ttisinteger(o);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
LUA_API int lua_isstring (lua_State *L, int idx) {
|
||||
int t = lua_type(L, idx);
|
||||
return (t == LUA_TSTRING || t == LUA_TNUMBER);
|
||||
const TValue *o = index2addr(L, idx);
|
||||
return (ttisstring(o) || cvt2str(o));
|
||||
}
|
||||
|
||||
|
||||
|
@ -345,7 +331,7 @@ LUA_API int lua_compare (lua_State *L, int index1, int index2, int op) {
|
|||
case LUA_OPEQ: i = luaV_equalobj(L, o1, o2); break;
|
||||
case LUA_OPLT: i = luaV_lessthan(L, o1, o2); break;
|
||||
case LUA_OPLE: i = luaV_lessequal(L, o1, o2); break;
|
||||
default: api_check(L, 0, "invalid option");
|
||||
default: api_check(0, "invalid option");
|
||||
}
|
||||
}
|
||||
lua_unlock(L);
|
||||
|
@ -353,7 +339,7 @@ LUA_API int lua_compare (lua_State *L, int index1, int index2, int op) {
|
|||
}
|
||||
|
||||
|
||||
LUA_API size_t lua_strtonum (lua_State *L, const char *s) {
|
||||
LUA_API size_t lua_stringtonumber (lua_State *L, const char *s) {
|
||||
size_t sz = luaO_str2num(s, L->top);
|
||||
if (sz != 0)
|
||||
api_incr_top(L);
|
||||
|
@ -361,6 +347,7 @@ LUA_API size_t lua_strtonum (lua_State *L, const char *s) {
|
|||
}
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
LUA_API lua_Number lua_tonumberx (lua_State *L, int idx, int *pisnum) {
|
||||
lua_Number n;
|
||||
const TValue *o = index2addr(L, idx);
|
||||
|
@ -370,6 +357,7 @@ LUA_API lua_Number lua_tonumberx (lua_State *L, int idx, int *pisnum) {
|
|||
if (pisnum) *pisnum = isnum;
|
||||
return n;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
LUA_API lua_Integer lua_tointegerx (lua_State *L, int idx, int *pisnum) {
|
||||
|
@ -383,42 +371,6 @@ LUA_API lua_Integer lua_tointegerx (lua_State *L, int idx, int *pisnum) {
|
|||
}
|
||||
|
||||
|
||||
LUA_API lua_Unsigned lua_tounsignedx (lua_State *L, int idx, int *pisnum) {
|
||||
lua_Unsigned res = 0;
|
||||
const TValue *o = index2addr(L, idx);
|
||||
int isnum = 0;
|
||||
switch (ttype(o)) {
|
||||
case LUA_TNUMINT: {
|
||||
res = l_castS2U(ivalue(o));
|
||||
isnum = 1;
|
||||
break;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
case LUA_TNUMFLT: { /* compute floor(n) % 2^(numbits in an integer) */
|
||||
const lua_Number two2n = cast_num(LUA_MAXUNSIGNED) + cast_num(1);
|
||||
lua_Number n = fltvalue(o); /* get value */
|
||||
int neg = 0;
|
||||
n = l_floor(n); /* get its floor */
|
||||
if (n < 0) {
|
||||
neg = 1;
|
||||
n = -n; /* make 'n' positive, so that 'fmod' is the same as '%' */
|
||||
}
|
||||
n = l_mathop(fmod)(n, two2n); /* n = n % 2^(numbits in an integer) */
|
||||
if (luai_numisnan(n)) /* not a number? */
|
||||
break; /* not an integer, too */
|
||||
res = cast(lua_Unsigned, n); /* 'n' now must fit in an unsigned */
|
||||
if (neg) res = 0u - res; /* back to negative, if needed */
|
||||
isnum = 1;
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
default: break;
|
||||
}
|
||||
if (pisnum) *pisnum = isnum;
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
LUA_API int lua_toboolean (lua_State *L, int idx) {
|
||||
const TValue *o = index2addr(L, idx);
|
||||
return !l_isfalse(o);
|
||||
|
@ -428,14 +380,14 @@ LUA_API int lua_toboolean (lua_State *L, int idx) {
|
|||
LUA_API const char *lua_tolstring (lua_State *L, int idx, size_t *len) {
|
||||
StkId o = index2addr(L, idx);
|
||||
if (!ttisstring(o)) {
|
||||
lua_lock(L); /* `luaV_tostring' may create a new string */
|
||||
if (!luaV_tostring(L, o)) { /* conversion failed? */
|
||||
if (!cvt2str(o)) { /* not convertible? */
|
||||
if (len != NULL) *len = 0;
|
||||
lua_unlock(L);
|
||||
return NULL;
|
||||
}
|
||||
lua_lock(L); /* 'luaO_tostring' may create a new string */
|
||||
luaC_checkGC(L);
|
||||
o = index2addr(L, idx); /* previous call may reallocate the stack */
|
||||
luaO_tostring(L, o);
|
||||
lua_unlock(L);
|
||||
}
|
||||
if (len != NULL) *len = tsvalue(o)->len;
|
||||
|
@ -466,7 +418,7 @@ LUA_API lua_CFunction lua_tocfunction (lua_State *L, int idx) {
|
|||
LUA_API void *lua_touserdata (lua_State *L, int idx) {
|
||||
StkId o = index2addr(L, idx);
|
||||
switch (ttnov(o)) {
|
||||
case LUA_TUSERDATA: return (rawuvalue(o) + 1);
|
||||
case LUA_TUSERDATA: return getudatamem(uvalue(o));
|
||||
case LUA_TLIGHTUSERDATA: return pvalue(o);
|
||||
default: return NULL;
|
||||
}
|
||||
|
@ -509,16 +461,14 @@ LUA_API void lua_pushnil (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
LUA_API void lua_pushnumber (lua_State *L, lua_Number n) {
|
||||
lua_lock(L);
|
||||
#ifndef _KERNEL
|
||||
setfltvalue(L->top, n);
|
||||
#else
|
||||
setivalue(L->top, n);
|
||||
#endif
|
||||
api_incr_top(L);
|
||||
lua_unlock(L);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
LUA_API void lua_pushinteger (lua_State *L, lua_Integer n) {
|
||||
|
@ -529,14 +479,6 @@ LUA_API void lua_pushinteger (lua_State *L, lua_Integer n) {
|
|||
}
|
||||
|
||||
|
||||
LUA_API void lua_pushunsigned (lua_State *L, lua_Unsigned u) {
|
||||
lua_lock(L);
|
||||
setivalue(L->top, l_castU2S(u));
|
||||
api_incr_top(L);
|
||||
lua_unlock(L);
|
||||
}
|
||||
|
||||
|
||||
LUA_API const char *lua_pushlstring (lua_State *L, const char *s, size_t len) {
|
||||
TString *ts;
|
||||
lua_lock(L);
|
||||
|
@ -599,7 +541,7 @@ LUA_API void lua_pushcclosure (lua_State *L, lua_CFunction fn, int n) {
|
|||
else {
|
||||
CClosure *cl;
|
||||
api_checknelems(L, n);
|
||||
api_check(L, n <= MAXUPVAL, "upvalue index too large");
|
||||
api_check(n <= MAXUPVAL, "upvalue index too large");
|
||||
luaC_checkGC(L);
|
||||
cl = luaF_newCclosure(L, n);
|
||||
cl->f = fn;
|
||||
|
@ -646,12 +588,12 @@ LUA_API int lua_pushthread (lua_State *L) {
|
|||
*/
|
||||
|
||||
|
||||
LUA_API int lua_getglobal (lua_State *L, const char *var) {
|
||||
LUA_API int lua_getglobal (lua_State *L, const char *name) {
|
||||
Table *reg = hvalue(&G(L)->l_registry);
|
||||
const TValue *gt; /* global table */
|
||||
lua_lock(L);
|
||||
gt = luaH_getint(reg, LUA_RIDX_GLOBALS);
|
||||
setsvalue2s(L, L->top++, luaS_new(L, var));
|
||||
setsvalue2s(L, L->top++, luaS_new(L, name));
|
||||
luaV_gettable(L, gt, L->top - 1, L->top - 1);
|
||||
lua_unlock(L);
|
||||
return ttnov(L->top - 1);
|
||||
|
@ -680,11 +622,23 @@ LUA_API int lua_getfield (lua_State *L, int idx, const char *k) {
|
|||
}
|
||||
|
||||
|
||||
LUA_API int lua_geti (lua_State *L, int idx, lua_Integer n) {
|
||||
StkId t;
|
||||
lua_lock(L);
|
||||
t = index2addr(L, idx);
|
||||
setivalue(L->top, n);
|
||||
api_incr_top(L);
|
||||
luaV_gettable(L, t, L->top - 1, L->top - 1);
|
||||
lua_unlock(L);
|
||||
return ttnov(L->top - 1);
|
||||
}
|
||||
|
||||
|
||||
LUA_API int lua_rawget (lua_State *L, int idx) {
|
||||
StkId t;
|
||||
lua_lock(L);
|
||||
t = index2addr(L, idx);
|
||||
api_check(L, ttistable(t), "table expected");
|
||||
api_check(ttistable(t), "table expected");
|
||||
setobj2s(L, L->top - 1, luaH_get(hvalue(t), L->top - 1));
|
||||
lua_unlock(L);
|
||||
return ttnov(L->top - 1);
|
||||
|
@ -695,7 +649,7 @@ LUA_API int lua_rawgeti (lua_State *L, int idx, lua_Integer n) {
|
|||
StkId t;
|
||||
lua_lock(L);
|
||||
t = index2addr(L, idx);
|
||||
api_check(L, ttistable(t), "table expected");
|
||||
api_check(ttistable(t), "table expected");
|
||||
setobj2s(L, L->top, luaH_getint(hvalue(t), n));
|
||||
api_incr_top(L);
|
||||
lua_unlock(L);
|
||||
|
@ -708,7 +662,7 @@ LUA_API int lua_rawgetp (lua_State *L, int idx, const void *p) {
|
|||
TValue k;
|
||||
lua_lock(L);
|
||||
t = index2addr(L, idx);
|
||||
api_check(L, ttistable(t), "table expected");
|
||||
api_check(ttistable(t), "table expected");
|
||||
setpvalue(&k, cast(void *, p));
|
||||
setobj2s(L, L->top, luaH_get(hvalue(t), &k));
|
||||
api_incr_top(L);
|
||||
|
@ -732,8 +686,8 @@ LUA_API void lua_createtable (lua_State *L, int narray, int nrec) {
|
|||
|
||||
LUA_API int lua_getmetatable (lua_State *L, int objindex) {
|
||||
const TValue *obj;
|
||||
Table *mt = NULL;
|
||||
int res;
|
||||
Table *mt;
|
||||
int res = 0;
|
||||
lua_lock(L);
|
||||
obj = index2addr(L, objindex);
|
||||
switch (ttnov(obj)) {
|
||||
|
@ -747,9 +701,7 @@ LUA_API int lua_getmetatable (lua_State *L, int objindex) {
|
|||
mt = G(L)->mt[ttnov(obj)];
|
||||
break;
|
||||
}
|
||||
if (mt == NULL)
|
||||
res = 0;
|
||||
else {
|
||||
if (mt != NULL) {
|
||||
sethvalue(L, L->top, mt);
|
||||
api_incr_top(L);
|
||||
res = 1;
|
||||
|
@ -763,8 +715,8 @@ LUA_API int lua_getuservalue (lua_State *L, int idx) {
|
|||
StkId o;
|
||||
lua_lock(L);
|
||||
o = index2addr(L, idx);
|
||||
api_check(L, ttisfulluserdata(o), "full userdata expected");
|
||||
getuservalue(L, rawuvalue(o), L->top);
|
||||
api_check(ttisfulluserdata(o), "full userdata expected");
|
||||
getuservalue(L, uvalue(o), L->top);
|
||||
api_incr_top(L);
|
||||
lua_unlock(L);
|
||||
return ttnov(L->top - 1);
|
||||
|
@ -776,13 +728,13 @@ LUA_API int lua_getuservalue (lua_State *L, int idx) {
|
|||
*/
|
||||
|
||||
|
||||
LUA_API void lua_setglobal (lua_State *L, const char *var) {
|
||||
LUA_API void lua_setglobal (lua_State *L, const char *name) {
|
||||
Table *reg = hvalue(&G(L)->l_registry);
|
||||
const TValue *gt; /* global table */
|
||||
lua_lock(L);
|
||||
api_checknelems(L, 1);
|
||||
gt = luaH_getint(reg, LUA_RIDX_GLOBALS);
|
||||
setsvalue2s(L, L->top++, luaS_new(L, var));
|
||||
setsvalue2s(L, L->top++, luaS_new(L, name));
|
||||
luaV_settable(L, gt, L->top - 1, L->top - 2);
|
||||
L->top -= 2; /* pop value and key */
|
||||
lua_unlock(L);
|
||||
|
@ -812,43 +764,61 @@ LUA_API void lua_setfield (lua_State *L, int idx, const char *k) {
|
|||
}
|
||||
|
||||
|
||||
LUA_API void lua_rawset (lua_State *L, int idx) {
|
||||
LUA_API void lua_seti (lua_State *L, int idx, lua_Integer n) {
|
||||
StkId t;
|
||||
lua_lock(L);
|
||||
api_checknelems(L, 2);
|
||||
api_checknelems(L, 1);
|
||||
t = index2addr(L, idx);
|
||||
api_check(L, ttistable(t), "table expected");
|
||||
setobj2t(L, luaH_set(L, hvalue(t), L->top-2), L->top-1);
|
||||
invalidateTMcache(hvalue(t));
|
||||
luaC_barrierback(L, gcvalue(t), L->top-1);
|
||||
setivalue(L->top++, n);
|
||||
luaV_settable(L, t, L->top - 1, L->top - 2);
|
||||
L->top -= 2; /* pop value and key */
|
||||
lua_unlock(L);
|
||||
}
|
||||
|
||||
|
||||
LUA_API void lua_rawset (lua_State *L, int idx) {
|
||||
StkId o;
|
||||
Table *t;
|
||||
lua_lock(L);
|
||||
api_checknelems(L, 2);
|
||||
o = index2addr(L, idx);
|
||||
api_check(ttistable(o), "table expected");
|
||||
t = hvalue(o);
|
||||
setobj2t(L, luaH_set(L, t, L->top-2), L->top-1);
|
||||
invalidateTMcache(t);
|
||||
luaC_barrierback(L, t, L->top-1);
|
||||
L->top -= 2;
|
||||
lua_unlock(L);
|
||||
}
|
||||
|
||||
|
||||
LUA_API void lua_rawseti (lua_State *L, int idx, lua_Integer n) {
|
||||
StkId t;
|
||||
StkId o;
|
||||
Table *t;
|
||||
lua_lock(L);
|
||||
api_checknelems(L, 1);
|
||||
t = index2addr(L, idx);
|
||||
api_check(L, ttistable(t), "table expected");
|
||||
luaH_setint(L, hvalue(t), n, L->top - 1);
|
||||
luaC_barrierback(L, gcvalue(t), L->top-1);
|
||||
o = index2addr(L, idx);
|
||||
api_check(ttistable(o), "table expected");
|
||||
t = hvalue(o);
|
||||
luaH_setint(L, t, n, L->top - 1);
|
||||
luaC_barrierback(L, t, L->top-1);
|
||||
L->top--;
|
||||
lua_unlock(L);
|
||||
}
|
||||
|
||||
|
||||
LUA_API void lua_rawsetp (lua_State *L, int idx, const void *p) {
|
||||
StkId t;
|
||||
StkId o;
|
||||
Table *t;
|
||||
TValue k;
|
||||
lua_lock(L);
|
||||
api_checknelems(L, 1);
|
||||
t = index2addr(L, idx);
|
||||
api_check(L, ttistable(t), "table expected");
|
||||
o = index2addr(L, idx);
|
||||
api_check(ttistable(o), "table expected");
|
||||
t = hvalue(o);
|
||||
setpvalue(&k, cast(void *, p));
|
||||
setobj2t(L, luaH_set(L, hvalue(t), &k), L->top - 1);
|
||||
luaC_barrierback(L, gcvalue(t), L->top - 1);
|
||||
setobj2t(L, luaH_set(L, t, &k), L->top - 1);
|
||||
luaC_barrierback(L, t, L->top - 1);
|
||||
L->top--;
|
||||
lua_unlock(L);
|
||||
}
|
||||
|
@ -863,7 +833,7 @@ LUA_API int lua_setmetatable (lua_State *L, int objindex) {
|
|||
if (ttisnil(L->top - 1))
|
||||
mt = NULL;
|
||||
else {
|
||||
api_check(L, ttistable(L->top - 1), "table expected");
|
||||
api_check(ttistable(L->top - 1), "table expected");
|
||||
mt = hvalue(L->top - 1);
|
||||
}
|
||||
switch (ttnov(obj)) {
|
||||
|
@ -878,7 +848,7 @@ LUA_API int lua_setmetatable (lua_State *L, int objindex) {
|
|||
case LUA_TUSERDATA: {
|
||||
uvalue(obj)->metatable = mt;
|
||||
if (mt) {
|
||||
luaC_objbarrier(L, rawuvalue(obj), mt);
|
||||
luaC_objbarrier(L, uvalue(obj), mt);
|
||||
luaC_checkfinalizer(L, gcvalue(obj), mt);
|
||||
}
|
||||
break;
|
||||
|
@ -899,8 +869,8 @@ LUA_API void lua_setuservalue (lua_State *L, int idx) {
|
|||
lua_lock(L);
|
||||
api_checknelems(L, 1);
|
||||
o = index2addr(L, idx);
|
||||
api_check(L, ttisfulluserdata(o), "full userdata expected");
|
||||
setuservalue(L, rawuvalue(o), L->top - 1);
|
||||
api_check(ttisfulluserdata(o), "full userdata expected");
|
||||
setuservalue(L, uvalue(o), L->top - 1);
|
||||
luaC_barrier(L, gcvalue(o), L->top - 1);
|
||||
L->top--;
|
||||
lua_unlock(L);
|
||||
|
@ -908,23 +878,23 @@ LUA_API void lua_setuservalue (lua_State *L, int idx) {
|
|||
|
||||
|
||||
/*
|
||||
** `load' and `call' functions (run Lua code)
|
||||
** 'load' and 'call' functions (run Lua code)
|
||||
*/
|
||||
|
||||
|
||||
#define checkresults(L,na,nr) \
|
||||
api_check(L, (nr) == LUA_MULTRET || (L->ci->top - L->top >= (nr) - (na)), \
|
||||
api_check((nr) == LUA_MULTRET || (L->ci->top - L->top >= (nr) - (na)), \
|
||||
"results from function overflow current stack size")
|
||||
|
||||
|
||||
LUA_API void lua_callk (lua_State *L, int nargs, int nresults, int ctx,
|
||||
lua_KFunction k) {
|
||||
LUA_API void lua_callk (lua_State *L, int nargs, int nresults,
|
||||
lua_KContext ctx, lua_KFunction k) {
|
||||
StkId func;
|
||||
lua_lock(L);
|
||||
api_check(L, k == NULL || !isLua(L->ci),
|
||||
api_check(k == NULL || !isLua(L->ci),
|
||||
"cannot use continuations inside hooks");
|
||||
api_checknelems(L, nargs+1);
|
||||
api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");
|
||||
api_check(L->status == LUA_OK, "cannot do calls on non-normal thread");
|
||||
checkresults(L, nargs, nresults);
|
||||
func = L->top - (nargs+1);
|
||||
if (k != NULL && L->nny == 0) { /* need to prepare continuation? */
|
||||
|
@ -943,7 +913,7 @@ LUA_API void lua_callk (lua_State *L, int nargs, int nresults, int ctx,
|
|||
/*
|
||||
** Execute a protected call.
|
||||
*/
|
||||
struct CallS { /* data to `f_call' */
|
||||
struct CallS { /* data to 'f_call' */
|
||||
StkId func;
|
||||
int nresults;
|
||||
};
|
||||
|
@ -957,21 +927,21 @@ static void f_call (lua_State *L, void *ud) {
|
|||
|
||||
|
||||
LUA_API int lua_pcallk (lua_State *L, int nargs, int nresults, int errfunc,
|
||||
int ctx, lua_KFunction k) {
|
||||
lua_KContext ctx, lua_KFunction k) {
|
||||
struct CallS c;
|
||||
int status;
|
||||
ptrdiff_t func;
|
||||
lua_lock(L);
|
||||
api_check(L, k == NULL || !isLua(L->ci),
|
||||
api_check(k == NULL || !isLua(L->ci),
|
||||
"cannot use continuations inside hooks");
|
||||
api_checknelems(L, nargs+1);
|
||||
api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");
|
||||
api_check(L->status == LUA_OK, "cannot do calls on non-normal thread");
|
||||
checkresults(L, nargs, nresults);
|
||||
if (errfunc == 0)
|
||||
func = 0;
|
||||
else {
|
||||
StkId o = index2addr(L, errfunc);
|
||||
api_checkstackindex(L, errfunc, o);
|
||||
api_checkstackindex(errfunc, o);
|
||||
func = savestack(L, o);
|
||||
}
|
||||
c.func = L->top - (nargs+1); /* function to be called */
|
||||
|
@ -1010,13 +980,13 @@ LUA_API int lua_load (lua_State *L, lua_Reader reader, void *data,
|
|||
status = luaD_protectedparser(L, &z, chunkname, mode);
|
||||
if (status == LUA_OK) { /* no errors? */
|
||||
LClosure *f = clLvalue(L->top - 1); /* get newly created function */
|
||||
if (f->nupvalues == 1) { /* does it have one upvalue? */
|
||||
if (f->nupvalues >= 1) { /* does it have an upvalue? */
|
||||
/* get global table from registry */
|
||||
Table *reg = hvalue(&G(L)->l_registry);
|
||||
const TValue *gt = luaH_getint(reg, LUA_RIDX_GLOBALS);
|
||||
/* set global table as 1st upvalue of 'f' (may be LUA_ENV) */
|
||||
setobj(L, f->upvals[0]->v, gt);
|
||||
luaC_barrier(L, f->upvals[0], gt);
|
||||
luaC_upvalbarrier(L, f->upvals[0]);
|
||||
}
|
||||
}
|
||||
lua_unlock(L);
|
||||
|
@ -1079,7 +1049,7 @@ LUA_API int lua_gc (lua_State *L, int what, int data) {
|
|||
case LUA_GCSTEP: {
|
||||
l_mem debt = 1; /* =1 to signal that it did an actual step */
|
||||
int oldrunning = g->gcrunning;
|
||||
g->gcrunning = 1; /* force GC to run */
|
||||
g->gcrunning = 1; /* allow GC to run */
|
||||
if (data == 0) {
|
||||
luaE_setdebt(g, -GCSTEPSIZE); /* to do a "small" step */
|
||||
luaC_step(L);
|
||||
|
@ -1136,7 +1106,7 @@ LUA_API int lua_next (lua_State *L, int idx) {
|
|||
int more;
|
||||
lua_lock(L);
|
||||
t = index2addr(L, idx);
|
||||
api_check(L, ttistable(t), "table expected");
|
||||
api_check(ttistable(t), "table expected");
|
||||
more = luaH_next(L, hvalue(t), L->top - 1);
|
||||
if (more) {
|
||||
api_incr_top(L);
|
||||
|
@ -1200,19 +1170,19 @@ LUA_API void *lua_newuserdata (lua_State *L, size_t size) {
|
|||
setuvalue(L, L->top, u);
|
||||
api_incr_top(L);
|
||||
lua_unlock(L);
|
||||
return u + 1;
|
||||
return getudatamem(u);
|
||||
}
|
||||
|
||||
|
||||
|
||||
static const char *aux_upvalue (StkId fi, int n, TValue **val,
|
||||
GCObject **owner, UpVal **uv) {
|
||||
CClosure **owner, UpVal **uv) {
|
||||
switch (ttype(fi)) {
|
||||
case LUA_TCCL: { /* C closure */
|
||||
CClosure *f = clCvalue(fi);
|
||||
if (!(1 <= n && n <= f->nupvalues)) return NULL;
|
||||
*val = &f->upvalue[n-1];
|
||||
if (owner) *owner = obj2gco(f);
|
||||
if (owner) *owner = f;
|
||||
return "";
|
||||
}
|
||||
case LUA_TLCL: { /* Lua closure */
|
||||
|
@ -1247,7 +1217,7 @@ LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n) {
|
|||
LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n) {
|
||||
const char *name;
|
||||
TValue *val = NULL; /* to avoid warnings */
|
||||
GCObject *owner = NULL;
|
||||
CClosure *owner = NULL;
|
||||
UpVal *uv = NULL;
|
||||
StkId fi;
|
||||
lua_lock(L);
|
||||
|
@ -1268,9 +1238,9 @@ LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n) {
|
|||
static UpVal **getupvalref (lua_State *L, int fidx, int n, LClosure **pf) {
|
||||
LClosure *f;
|
||||
StkId fi = index2addr(L, fidx);
|
||||
api_check(L, ttisLclosure(fi), "Lua function expected");
|
||||
api_check(ttisLclosure(fi), "Lua function expected");
|
||||
f = clLvalue(fi);
|
||||
api_check(L, (1 <= n && n <= f->p->sizeupvalues), "invalid upvalue index");
|
||||
api_check((1 <= n && n <= f->p->sizeupvalues), "invalid upvalue index");
|
||||
if (pf) *pf = f;
|
||||
return &f->upvals[n - 1]; /* get its upvalue pointer */
|
||||
}
|
||||
|
@ -1284,11 +1254,11 @@ LUA_API void *lua_upvalueid (lua_State *L, int fidx, int n) {
|
|||
}
|
||||
case LUA_TCCL: { /* C closure */
|
||||
CClosure *f = clCvalue(fi);
|
||||
api_check(L, 1 <= n && n <= f->nupvalues, "invalid upvalue index");
|
||||
api_check(1 <= n && n <= f->nupvalues, "invalid upvalue index");
|
||||
return &f->upvalue[n - 1];
|
||||
}
|
||||
default: {
|
||||
api_check(L, 0, "closure expected");
|
||||
api_check(0, "closure expected");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: lapi.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lapi.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: lapi.h,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Auxiliary functions from Lua API
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -13,13 +11,13 @@
|
|||
#include "llimits.h"
|
||||
#include "lstate.h"
|
||||
|
||||
#define api_incr_top(L) {L->top++; api_check(L, L->top <= L->ci->top, \
|
||||
#define api_incr_top(L) {L->top++; api_check(L->top <= L->ci->top, \
|
||||
"stack overflow");}
|
||||
|
||||
#define adjustresults(L,nres) \
|
||||
{ if ((nres) == LUA_MULTRET && L->ci->top < L->top) L->ci->top = L->top; }
|
||||
|
||||
#define api_checknelems(L,n) api_check(L, (n) < (L->top - L->ci->func), \
|
||||
#define api_checknelems(L,n) api_check((n) < (L->top - L->ci->func), \
|
||||
"not enough elements in the stack")
|
||||
|
||||
|
||||
|
|
|
@ -1,15 +1,22 @@
|
|||
/* $NetBSD: lauxlib.c,v 1.3 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lauxlib.c,v 1.4 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lauxlib.c,v 1.3 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lauxlib.c,v 1.279 2014/12/14 18:32:26 roberto Exp
|
||||
** Auxiliary functions for building Lua libraries
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lauxlib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <errno.h>
|
||||
#endif
|
||||
#include <stdarg.h>
|
||||
#ifndef _KERNEL
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
@ -20,9 +27,6 @@
|
|||
** Any function declared here could be written as an application function.
|
||||
*/
|
||||
|
||||
#define lauxlib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
|
@ -68,11 +72,20 @@ static int findfield (lua_State *L, int objidx, int level) {
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
** Search for a name for a function in all loaded modules
|
||||
** (registry._LOADED).
|
||||
*/
|
||||
static int pushglobalfuncname (lua_State *L, lua_Debug *ar) {
|
||||
int top = lua_gettop(L);
|
||||
lua_getinfo(L, "f", ar); /* push function */
|
||||
lua_pushglobaltable(L);
|
||||
lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
|
||||
if (findfield(L, top + 1, 2)) {
|
||||
const char *name = lua_tostring(L, -1);
|
||||
if (strncmp(name, "_G.", 3) == 0) { /* name start with '_G.'? */
|
||||
lua_pushstring(L, name + 3); /* push name without prefix */
|
||||
lua_remove(L, -2); /* remove original name */
|
||||
}
|
||||
lua_copy(L, -1, top + 1); /* move name to proper place */
|
||||
lua_pop(L, 2); /* remove pushed values */
|
||||
return 1;
|
||||
|
@ -85,20 +98,18 @@ static int pushglobalfuncname (lua_State *L, lua_Debug *ar) {
|
|||
|
||||
|
||||
static void pushfuncname (lua_State *L, lua_Debug *ar) {
|
||||
if (*ar->namewhat != '\0') /* is there a name? */
|
||||
lua_pushfstring(L, "function " LUA_QS, ar->name);
|
||||
if (pushglobalfuncname(L, ar)) { /* try first a global name */
|
||||
lua_pushfstring(L, "function '%s'", lua_tostring(L, -1));
|
||||
lua_remove(L, -2); /* remove name */
|
||||
}
|
||||
else if (*ar->namewhat != '\0') /* is there a name from code? */
|
||||
lua_pushfstring(L, "%s '%s'", ar->namewhat, ar->name); /* use it */
|
||||
else if (*ar->what == 'm') /* main? */
|
||||
lua_pushliteral(L, "main chunk");
|
||||
else if (*ar->what == 'C') {
|
||||
if (pushglobalfuncname(L, ar)) {
|
||||
lua_pushfstring(L, "function " LUA_QS, lua_tostring(L, -1));
|
||||
lua_remove(L, -2); /* remove name */
|
||||
}
|
||||
else
|
||||
lua_pushliteral(L, "?");
|
||||
}
|
||||
else
|
||||
else if (*ar->what != 'C') /* for Lua functions, use <file:line> */
|
||||
lua_pushfstring(L, "function <%s:%d>", ar->short_src, ar->linedefined);
|
||||
else /* nothing left... */
|
||||
lua_pushliteral(L, "?");
|
||||
}
|
||||
|
||||
|
||||
|
@ -160,27 +171,27 @@ LUALIB_API int luaL_argerror (lua_State *L, int arg, const char *extramsg) {
|
|||
return luaL_error(L, "bad argument #%d (%s)", arg, extramsg);
|
||||
lua_getinfo(L, "n", &ar);
|
||||
if (strcmp(ar.namewhat, "method") == 0) {
|
||||
arg--; /* do not count `self' */
|
||||
arg--; /* do not count 'self' */
|
||||
if (arg == 0) /* error is in the self argument itself? */
|
||||
return luaL_error(L, "calling " LUA_QS " on bad self (%s)",
|
||||
return luaL_error(L, "calling '%s' on bad self (%s)",
|
||||
ar.name, extramsg);
|
||||
}
|
||||
if (ar.name == NULL)
|
||||
ar.name = (pushglobalfuncname(L, &ar)) ? lua_tostring(L, -1) : "?";
|
||||
return luaL_error(L, "bad argument #%d to " LUA_QS " (%s)",
|
||||
return luaL_error(L, "bad argument #%d to '%s' (%s)",
|
||||
arg, ar.name, extramsg);
|
||||
}
|
||||
|
||||
|
||||
static int typeerror (lua_State *L, int arg, const char *tname) {
|
||||
const char *msg;
|
||||
const char *typearg = luaL_typename(L, arg);
|
||||
if (lua_getmetatable(L, arg)) {
|
||||
if (lua_getfield(L, -1, "__name") == LUA_TSTRING)
|
||||
typearg = lua_tostring(L, -1);
|
||||
}
|
||||
const char *typearg; /* name for the type of the actual argument */
|
||||
if (luaL_getmetafield(L, arg, "__name") == LUA_TSTRING)
|
||||
typearg = lua_tostring(L, -1); /* use the given type name */
|
||||
else if (lua_type(L, arg) == LUA_TLIGHTUSERDATA)
|
||||
typearg = "light userdata";
|
||||
typearg = "light userdata"; /* special name for messages */
|
||||
else
|
||||
typearg = luaL_typename(L, arg); /* standard name */
|
||||
msg = lua_pushfstring(L, "%s expected, got %s", tname, typearg);
|
||||
return luaL_argerror(L, arg, msg);
|
||||
}
|
||||
|
@ -235,7 +246,7 @@ LUALIB_API int luaL_fileresult (lua_State *L, int stat, const char *fname) {
|
|||
#endif
|
||||
|
||||
|
||||
#if !defined(inspectstat) /* { */
|
||||
#if !defined(l_inspectstat) /* { */
|
||||
|
||||
#if defined(LUA_USE_POSIX)
|
||||
|
||||
|
@ -244,13 +255,13 @@ LUALIB_API int luaL_fileresult (lua_State *L, int stat, const char *fname) {
|
|||
/*
|
||||
** use appropriate macros to interpret 'pclose' return status
|
||||
*/
|
||||
#define inspectstat(stat,what) \
|
||||
#define l_inspectstat(stat,what) \
|
||||
if (WIFEXITED(stat)) { stat = WEXITSTATUS(stat); } \
|
||||
else if (WIFSIGNALED(stat)) { stat = WTERMSIG(stat); what = "signal"; }
|
||||
|
||||
#else
|
||||
|
||||
#define inspectstat(stat,what) /* no op */
|
||||
#define l_inspectstat(stat,what) /* no op */
|
||||
|
||||
#endif
|
||||
|
||||
|
@ -263,7 +274,7 @@ LUALIB_API int luaL_execresult (lua_State *L, int stat) {
|
|||
if (stat == -1) /* error? */
|
||||
return luaL_fileresult(L, 0, NULL);
|
||||
else {
|
||||
inspectstat(stat, what); /* interpret result */
|
||||
l_inspectstat(stat, what); /* interpret result */
|
||||
if (*what == 'e' && stat == 0) /* successful termination? */
|
||||
lua_pushboolean(L, 1);
|
||||
else
|
||||
|
@ -285,8 +296,7 @@ LUALIB_API int luaL_execresult (lua_State *L, int stat) {
|
|||
*/
|
||||
|
||||
LUALIB_API int luaL_newmetatable (lua_State *L, const char *tname) {
|
||||
luaL_getmetatable(L, tname); /* try to get metatable */
|
||||
if (!lua_isnil(L, -1)) /* name already in use? */
|
||||
if (luaL_getmetatable(L, tname)) /* name already in use? */
|
||||
return 0; /* leave previous value on top, but return 0 */
|
||||
lua_pop(L, 1);
|
||||
lua_newtable(L); /* create metatable */
|
||||
|
@ -343,7 +353,7 @@ LUALIB_API int luaL_checkoption (lua_State *L, int arg, const char *def,
|
|||
if (strcmp(lst[i], name) == 0)
|
||||
return i;
|
||||
return luaL_argerror(L, arg,
|
||||
lua_pushfstring(L, "invalid option " LUA_QS, name));
|
||||
lua_pushfstring(L, "invalid option '%s'", name));
|
||||
}
|
||||
|
||||
|
||||
|
@ -403,9 +413,10 @@ LUALIB_API lua_Number luaL_optnumber (lua_State *L, int arg, lua_Number def) {
|
|||
}
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
static void interror (lua_State *L, int arg) {
|
||||
if (lua_type(L, arg) == LUA_TNUMBER)
|
||||
luaL_argerror(L, arg, "float value out of integer range");
|
||||
if (lua_isnumber(L, arg))
|
||||
luaL_argerror(L, arg, "number has no integer representation");
|
||||
else
|
||||
tag_error(L, arg, LUA_TNUMBER);
|
||||
}
|
||||
|
@ -421,25 +432,11 @@ LUALIB_API lua_Integer luaL_checkinteger (lua_State *L, int arg) {
|
|||
}
|
||||
|
||||
|
||||
LUALIB_API lua_Unsigned luaL_checkunsigned (lua_State *L, int arg) {
|
||||
int isnum;
|
||||
lua_Unsigned d = lua_tounsignedx(L, arg, &isnum);
|
||||
if (!isnum)
|
||||
interror(L, arg);
|
||||
return d;
|
||||
}
|
||||
|
||||
|
||||
LUALIB_API lua_Integer luaL_optinteger (lua_State *L, int arg,
|
||||
lua_Integer def) {
|
||||
return luaL_opt(L, luaL_checkinteger, arg, def);
|
||||
}
|
||||
|
||||
|
||||
LUALIB_API lua_Unsigned luaL_optunsigned (lua_State *L, int arg,
|
||||
lua_Unsigned def) {
|
||||
return luaL_opt(L, luaL_checkunsigned, arg, def);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* }====================================================== */
|
||||
|
||||
|
@ -549,7 +546,7 @@ LUALIB_API int luaL_ref (lua_State *L, int t) {
|
|||
int ref;
|
||||
if (lua_isnil(L, -1)) {
|
||||
lua_pop(L, 1); /* remove from stack */
|
||||
return LUA_REFNIL; /* `nil' has a unique fixed reference */
|
||||
return LUA_REFNIL; /* 'nil' has a unique fixed reference */
|
||||
}
|
||||
t = lua_absindex(L, t);
|
||||
lua_rawgeti(L, t, freelist); /* get first free element */
|
||||
|
@ -589,7 +586,7 @@ LUALIB_API void luaL_unref (lua_State *L, int t, int ref) {
|
|||
typedef struct LoadF {
|
||||
int n; /* number of pre-read characters */
|
||||
FILE *f; /* file being read */
|
||||
char buff[LUAL_BUFFERSIZE]; /* area for reading file */
|
||||
char buff[BUFSIZ]; /* area for reading file */
|
||||
} LoadF;
|
||||
|
||||
|
||||
|
@ -682,7 +679,7 @@ LUALIB_API int luaL_loadfilex (lua_State *L, const char *filename,
|
|||
readstatus = ferror(lf.f);
|
||||
if (filename) fclose(lf.f); /* close file (even in case of errors) */
|
||||
if (readstatus) {
|
||||
lua_settop(L, fnameindex); /* ignore results from `lua_load' */
|
||||
lua_settop(L, fnameindex); /* ignore results from 'lua_load' */
|
||||
return errfile(L, "read", fnameindex);
|
||||
}
|
||||
lua_remove(L, fnameindex);
|
||||
|
@ -726,22 +723,23 @@ LUALIB_API int luaL_loadstring (lua_State *L, const char *s) {
|
|||
|
||||
LUALIB_API int luaL_getmetafield (lua_State *L, int obj, const char *event) {
|
||||
if (!lua_getmetatable(L, obj)) /* no metatable? */
|
||||
return 0;
|
||||
lua_pushstring(L, event);
|
||||
if (lua_rawget(L, -2) == LUA_TNIL) { /* is metafield nil? */
|
||||
lua_pop(L, 2); /* remove metatable and metafield */
|
||||
return 0;
|
||||
}
|
||||
return LUA_TNIL;
|
||||
else {
|
||||
lua_remove(L, -2); /* remove only metatable */
|
||||
return 1;
|
||||
int tt;
|
||||
lua_pushstring(L, event);
|
||||
tt = lua_rawget(L, -2);
|
||||
if (tt == LUA_TNIL) /* is metafield nil? */
|
||||
lua_pop(L, 2); /* remove metatable and metafield */
|
||||
else
|
||||
lua_remove(L, -2); /* remove only metatable */
|
||||
return tt; /* return metafield type */
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
LUALIB_API int luaL_callmeta (lua_State *L, int obj, const char *event) {
|
||||
obj = lua_absindex(L, obj);
|
||||
if (!luaL_getmetafield(L, obj, event)) /* no metafield? */
|
||||
if (luaL_getmetafield(L, obj, event) == LUA_TNIL) /* no metafield? */
|
||||
return 0;
|
||||
lua_pushvalue(L, obj);
|
||||
lua_call(L, 1, 1);
|
||||
|
@ -847,7 +845,7 @@ LUALIB_API void luaL_pushmodule (lua_State *L, const char *modname,
|
|||
/* try global variable (and create one if it does not exist) */
|
||||
lua_pushglobaltable(L);
|
||||
if (luaL_findtable(L, 0, modname, sizehint) != NULL)
|
||||
luaL_error(L, "name conflict for module " LUA_QS, modname);
|
||||
luaL_error(L, "name conflict for module '%s'", modname);
|
||||
lua_pushvalue(L, -1);
|
||||
lua_setfield(L, -3, modname); /* _LOADED[modname] = new table */
|
||||
}
|
||||
|
@ -908,22 +906,26 @@ LUALIB_API int luaL_getsubtable (lua_State *L, int idx, const char *fname) {
|
|||
|
||||
|
||||
/*
|
||||
** stripped-down 'require'. Calls 'openf' to open a module,
|
||||
** registers the result in 'package.loaded' table and, if 'glb'
|
||||
** is true, also registers the result in the global table.
|
||||
** Stripped-down 'require': After checking "loaded" table, calls 'openf'
|
||||
** to open a module, registers the result in 'package.loaded' table and,
|
||||
** if 'glb' is true, also registers the result in the global table.
|
||||
** Leaves resulting module on the top.
|
||||
*/
|
||||
LUALIB_API void luaL_requiref (lua_State *L, const char *modname,
|
||||
lua_CFunction openf, int glb) {
|
||||
lua_pushcfunction(L, openf);
|
||||
lua_pushstring(L, modname); /* argument to open function */
|
||||
lua_call(L, 1, 1); /* open module */
|
||||
luaL_getsubtable(L, LUA_REGISTRYINDEX, "_LOADED");
|
||||
lua_pushvalue(L, -2); /* make copy of module (call result) */
|
||||
lua_setfield(L, -2, modname); /* _LOADED[modname] = module */
|
||||
lua_pop(L, 1); /* remove _LOADED table */
|
||||
lua_getfield(L, -1, modname); /* _LOADED[modname] */
|
||||
if (!lua_toboolean(L, -1)) { /* package not already loaded? */
|
||||
lua_pop(L, 1); /* remove field */
|
||||
lua_pushcfunction(L, openf);
|
||||
lua_pushstring(L, modname); /* argument to open function */
|
||||
lua_call(L, 1, 1); /* call 'openf' to open module */
|
||||
lua_pushvalue(L, -1); /* make copy of module (call result) */
|
||||
lua_setfield(L, -3, modname); /* _LOADED[modname] = module */
|
||||
}
|
||||
lua_remove(L, -2); /* remove _LOADED table */
|
||||
if (glb) {
|
||||
lua_pushvalue(L, -1); /* copy of 'mod' */
|
||||
lua_pushvalue(L, -1); /* copy of module */
|
||||
lua_setglobal(L, modname); /* _G[modname] = module */
|
||||
}
|
||||
}
|
||||
|
@ -938,7 +940,7 @@ LUALIB_API const char *luaL_gsub (lua_State *L, const char *s, const char *p,
|
|||
while ((wild = strstr(s, p)) != NULL) {
|
||||
luaL_addlstring(&b, s, wild - s); /* push prefix */
|
||||
luaL_addstring(&b, r); /* push replacement in place of pattern */
|
||||
s = wild + l; /* continue after `p' */
|
||||
s = wild + l; /* continue after 'p' */
|
||||
}
|
||||
luaL_addstring(&b, s); /* push last suffix */
|
||||
luaL_pushresult(&b);
|
||||
|
@ -959,8 +961,8 @@ static void *l_alloc (void *ud, void *ptr, size_t osize, size_t nsize) {
|
|||
|
||||
|
||||
static int panic (lua_State *L) {
|
||||
luai_writestringerror("PANIC: unprotected error in call to Lua API (%s)\n",
|
||||
lua_tostring(L, -1));
|
||||
lua_writestringerror("PANIC: unprotected error in call to Lua API (%s)\n",
|
||||
lua_tostring(L, -1));
|
||||
return 0; /* return to Lua to abort */
|
||||
}
|
||||
|
||||
|
@ -975,13 +977,12 @@ LUALIB_API lua_State *luaL_newstate (void) {
|
|||
|
||||
LUALIB_API void luaL_checkversion_ (lua_State *L, lua_Number ver, size_t sz) {
|
||||
const lua_Number *v = lua_version(L);
|
||||
if (sz != LUAL_NUMSIZES) /* check numeric types */
|
||||
luaL_error(L, "core and library have incompatible numeric types");
|
||||
if (v != lua_version(NULL))
|
||||
luaL_error(L, "multiple Lua VMs detected");
|
||||
else if (*v != ver)
|
||||
luaL_error(L, "version mismatch: app. needs %f, Lua core provides %f",
|
||||
ver, *v);
|
||||
/* check numeric types */
|
||||
if (sz != LUAL_NUMSIZES)
|
||||
luaL_error(L, "core and library have incompatible numeric types");
|
||||
}
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: lauxlib.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lauxlib.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lauxlib.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lauxlib.h,v 1.128 2014/10/29 16:11:17 roberto Exp
|
||||
** Auxiliary functions for building Lua libraries
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -20,7 +20,7 @@
|
|||
|
||||
|
||||
|
||||
/* extra error code for `luaL_load' */
|
||||
/* extra error code for 'luaL_load' */
|
||||
#define LUA_ERRFILE (LUA_ERRERR+1)
|
||||
|
||||
|
||||
|
@ -47,12 +47,14 @@ LUALIB_API const char *(luaL_optlstring) (lua_State *L, int arg,
|
|||
LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int arg);
|
||||
LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int arg, lua_Number def);
|
||||
|
||||
#ifndef _KERNEL
|
||||
LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int arg);
|
||||
LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int arg,
|
||||
lua_Integer def);
|
||||
LUALIB_API lua_Unsigned (luaL_checkunsigned) (lua_State *L, int arg);
|
||||
LUALIB_API lua_Unsigned (luaL_optunsigned) (lua_State *L, int arg,
|
||||
lua_Unsigned def);
|
||||
#else /* _KERNEL */
|
||||
#define luaL_checkinteger luaL_checknumber
|
||||
#define luaL_optinteger(L,a,d) luaL_optnumber(L, (a), (lua_Number)(d))
|
||||
#endif
|
||||
|
||||
LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
|
||||
LUALIB_API void (luaL_checktype) (lua_State *L, int arg, int t);
|
||||
|
@ -126,10 +128,6 @@ LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
|
|||
((void)((cond) || luaL_argerror(L, (arg), (extramsg))))
|
||||
#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
|
||||
#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
|
||||
#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
|
||||
#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
|
||||
#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
|
||||
#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
|
||||
|
||||
#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))
|
||||
|
||||
|
@ -223,6 +221,55 @@ LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,
|
|||
#endif
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
/*
|
||||
** {==================================================================
|
||||
** "Abstraction Layer" for basic report of messages and errors
|
||||
** ===================================================================
|
||||
*/
|
||||
|
||||
/* print a string */
|
||||
#if !defined(lua_writestring)
|
||||
#define lua_writestring(s,l) fwrite((s), sizeof(char), (l), stdout)
|
||||
#endif
|
||||
|
||||
/* print a newline and flush the output */
|
||||
#if !defined(lua_writeline)
|
||||
#define lua_writeline() (lua_writestring("\n", 1), fflush(stdout))
|
||||
#endif
|
||||
|
||||
/* print an error message */
|
||||
#if !defined(lua_writestringerror)
|
||||
#define lua_writestringerror(s,p) \
|
||||
(fprintf(stderr, (s), (p)), fflush(stderr))
|
||||
#endif
|
||||
|
||||
/* }================================================================== */
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
** {============================================================
|
||||
** Compatibility with deprecated conversions
|
||||
** =============================================================
|
||||
*/
|
||||
#if defined(LUA_COMPAT_APIINTCASTS)
|
||||
|
||||
#define luaL_checkunsigned(L,a) ((lua_Unsigned)luaL_checkinteger(L,a))
|
||||
#define luaL_optunsigned(L,a,d) \
|
||||
((lua_Unsigned)luaL_optinteger(L,a,(lua_Integer)(d)))
|
||||
|
||||
#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
|
||||
#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
|
||||
|
||||
#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
|
||||
#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
|
||||
|
||||
#endif
|
||||
/* }============================================================ */
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
|
|
@ -1,11 +1,15 @@
|
|||
/* $NetBSD: lbaselib.c,v 1.3 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lbaselib.c,v 1.4 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lbaselib.c,v 1.3 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lbaselib.c,v 1.309 2014/12/10 12:26:42 roberto Exp
|
||||
** Basic library
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lbaselib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
|
@ -15,9 +19,6 @@
|
|||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lbaselib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
|
@ -36,13 +37,12 @@ static int luaB_print (lua_State *L) {
|
|||
lua_call(L, 1, 1);
|
||||
s = lua_tolstring(L, -1, &l); /* get result */
|
||||
if (s == NULL)
|
||||
return luaL_error(L,
|
||||
LUA_QL("tostring") " must return a string to " LUA_QL("print"));
|
||||
if (i>1) luai_writestring("\t", 1);
|
||||
luai_writestring(s, l);
|
||||
return luaL_error(L, "'tostring' must return a string to 'print'");
|
||||
if (i>1) lua_writestring("\t", 1);
|
||||
lua_writestring(s, l);
|
||||
lua_pop(L, 1); /* pop result */
|
||||
}
|
||||
luai_writeline();
|
||||
lua_writeline();
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -65,8 +65,6 @@ static const char *b_str2int (const char *s, int base, lua_Integer *pn) {
|
|||
s++;
|
||||
} while (isalnum((unsigned char)*s));
|
||||
s += strspn(s, SPACECHARS); /* skip trailing spaces */
|
||||
if (*s != '\0') /* invalid trailing characters? */
|
||||
return NULL;
|
||||
*pn = (lua_Integer)((neg) ? (0u - n) : n);
|
||||
return s;
|
||||
}
|
||||
|
@ -82,7 +80,7 @@ static int luaB_tonumber (lua_State *L) {
|
|||
else {
|
||||
size_t l;
|
||||
const char *s = lua_tolstring(L, 1, &l);
|
||||
if (s != NULL && lua_strtonum(L, s) == l + 1)
|
||||
if (s != NULL && lua_stringtonumber(L, s) == l + 1)
|
||||
return 1; /* successful conversion to number */
|
||||
/* else not a number */
|
||||
}
|
||||
|
@ -91,11 +89,11 @@ static int luaB_tonumber (lua_State *L) {
|
|||
size_t l;
|
||||
const char *s;
|
||||
lua_Integer n = 0; /* to avoid warnings */
|
||||
int base = luaL_checkint(L, 2);
|
||||
lua_Integer base = luaL_checkinteger(L, 2);
|
||||
luaL_checktype(L, 1, LUA_TSTRING); /* before 'luaL_checklstring'! */
|
||||
s = luaL_checklstring(L, 1, &l);
|
||||
luaL_argcheck(L, 2 <= base && base <= 36, 2, "base out of range");
|
||||
if (b_str2int(s, base, &n) == s + l) {
|
||||
if (b_str2int(s, (int)base, &n) == s + l) {
|
||||
lua_pushinteger(L, n);
|
||||
return 1;
|
||||
} /* else not a number */
|
||||
|
@ -106,7 +104,7 @@ static int luaB_tonumber (lua_State *L) {
|
|||
|
||||
|
||||
static int luaB_error (lua_State *L) {
|
||||
int level = luaL_optint(L, 2, 1);
|
||||
int level = (int)luaL_optinteger(L, 2, 1);
|
||||
lua_settop(L, 1);
|
||||
if (lua_isstring(L, 1) && level > 0) { /* add extra information? */
|
||||
luaL_where(L, level);
|
||||
|
@ -133,7 +131,7 @@ static int luaB_setmetatable (lua_State *L) {
|
|||
luaL_checktype(L, 1, LUA_TTABLE);
|
||||
luaL_argcheck(L, t == LUA_TNIL || t == LUA_TTABLE, 2,
|
||||
"nil or table expected");
|
||||
if (luaL_getmetafield(L, 1, "__metatable"))
|
||||
if (luaL_getmetafield(L, 1, "__metatable") != LUA_TNIL)
|
||||
return luaL_error(L, "cannot change a protected metatable");
|
||||
lua_settop(L, 2);
|
||||
lua_setmetatable(L, 1);
|
||||
|
@ -184,7 +182,7 @@ static int luaB_collectgarbage (lua_State *L) {
|
|||
LUA_GCCOUNT, LUA_GCSTEP, LUA_GCSETPAUSE, LUA_GCSETSTEPMUL,
|
||||
LUA_GCISRUNNING};
|
||||
int o = optsnum[luaL_checkoption(L, 1, "collect", opts)];
|
||||
int ex = luaL_optint(L, 2, 0);
|
||||
int ex = (int)luaL_optinteger(L, 2, 0);
|
||||
int res = lua_gc(L, o, ex);
|
||||
switch (o) {
|
||||
case LUA_GCCOUNT: {
|
||||
|
@ -204,16 +202,19 @@ static int luaB_collectgarbage (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
** This function has all type names as upvalues, to maximize performance.
|
||||
*/
|
||||
static int luaB_type (lua_State *L) {
|
||||
luaL_checkany(L, 1);
|
||||
lua_pushstring(L, luaL_typename(L, 1));
|
||||
lua_pushvalue(L, lua_upvalueindex(lua_type(L, 1) + 1));
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static int pairsmeta (lua_State *L, const char *method, int iszero,
|
||||
lua_CFunction iter) {
|
||||
if (!luaL_getmetafield(L, 1, method)) { /* no metamethod? */
|
||||
if (luaL_getmetafield(L, 1, method) == LUA_TNIL) { /* no metamethod? */
|
||||
luaL_checktype(L, 1, LUA_TTABLE); /* argument must be a table */
|
||||
lua_pushcfunction(L, iter); /* will return generator, */
|
||||
lua_pushvalue(L, 1); /* state, */
|
||||
|
@ -245,17 +246,44 @@ static int luaB_pairs (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
static int ipairsaux (lua_State *L) {
|
||||
int i = luaL_checkint(L, 2);
|
||||
/*
|
||||
** Traversal function for 'ipairs' for raw tables
|
||||
*/
|
||||
static int ipairsaux_raw (lua_State *L) {
|
||||
lua_Integer i = luaL_checkinteger(L, 2) + 1;
|
||||
luaL_checktype(L, 1, LUA_TTABLE);
|
||||
i++; /* next value */
|
||||
lua_pushinteger(L, i);
|
||||
return (lua_rawgeti(L, 1, i) == LUA_TNIL) ? 1 : 2;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Traversal function for 'ipairs' for tables with metamethods
|
||||
*/
|
||||
static int ipairsaux (lua_State *L) {
|
||||
lua_Integer i = luaL_checkinteger(L, 2) + 1;
|
||||
lua_pushinteger(L, i);
|
||||
return (lua_geti(L, 1, i) == LUA_TNIL) ? 1 : 2;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** This function will use either 'ipairsaux' or 'ipairsaux_raw' to
|
||||
** traverse a table, depending on whether the table has metamethods
|
||||
** that can affect the traversal.
|
||||
*/
|
||||
static int luaB_ipairs (lua_State *L) {
|
||||
return pairsmeta(L, "__ipairs", 1, ipairsaux);
|
||||
lua_CFunction iter = (luaL_getmetafield(L, 1, "__index") != LUA_TNIL)
|
||||
? ipairsaux : ipairsaux_raw;
|
||||
#if defined(LUA_COMPAT_IPAIRS)
|
||||
return pairsmeta(L, "__ipairs", 1, iter);
|
||||
#else
|
||||
luaL_checkany(L, 1);
|
||||
lua_pushcfunction(L, iter); /* iteration function */
|
||||
lua_pushvalue(L, 1); /* state */
|
||||
lua_pushinteger(L, 0); /* initial value */
|
||||
return 3;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
|
@ -303,7 +331,7 @@ static int luaB_loadfile (lua_State *L) {
|
|||
|
||||
|
||||
/*
|
||||
** Reader for generic `load' function: `lua_load' uses the
|
||||
** Reader for generic 'load' function: 'lua_load' uses the
|
||||
** stack for internal stuff, so the reader cannot change the
|
||||
** stack top. Instead, it keeps its resulting string in a
|
||||
** reserved slot inside the stack.
|
||||
|
@ -348,7 +376,7 @@ static int luaB_load (lua_State *L) {
|
|||
|
||||
|
||||
#ifndef _KERNEL
|
||||
static int dofilecont (lua_State *L, int d1, int d2) {
|
||||
static int dofilecont (lua_State *L, int d1, lua_KContext d2) {
|
||||
(void)d1; (void)d2; /* only to match 'lua_Kfunction' prototype */
|
||||
return lua_gettop(L) - 1;
|
||||
}
|
||||
|
@ -369,9 +397,10 @@ static int luaB_assert (lua_State *L) {
|
|||
if (lua_toboolean(L, 1)) /* condition is true? */
|
||||
return lua_gettop(L); /* return all arguments */
|
||||
else { /* error */
|
||||
if (lua_isnone(L, 2)) /* no error message? */
|
||||
lua_pushliteral(L, "assertion failed!"); /* use standard message */
|
||||
lua_remove(L, 1); /* remove the condition (if there is one...) */
|
||||
luaL_checkany(L, 1); /* there must be a condition */
|
||||
lua_remove(L, 1); /* remove it */
|
||||
lua_pushliteral(L, "assertion failed!"); /* default message */
|
||||
lua_settop(L, 1); /* leave only message (default if no other one) */
|
||||
return luaB_error(L); /* call 'error' */
|
||||
}
|
||||
}
|
||||
|
@ -384,30 +413,30 @@ static int luaB_select (lua_State *L) {
|
|||
return 1;
|
||||
}
|
||||
else {
|
||||
int i = luaL_checkint(L, 1);
|
||||
lua_Integer i = luaL_checkinteger(L, 1);
|
||||
if (i < 0) i = n + i;
|
||||
else if (i > n) i = n;
|
||||
luaL_argcheck(L, 1 <= i, 1, "index out of range");
|
||||
return n - i;
|
||||
return n - (int)i;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Continuation function for 'pcall' and 'xpcall'. Both functions
|
||||
** already pushed a 'true' before doing the call, so in case of sucess
|
||||
** already pushed a 'true' before doing the call, so in case of success
|
||||
** 'finishpcall' only has to return everything in the stack minus
|
||||
** 'extra' values (where 'extra' is exactly the number of items to be
|
||||
** ignored).
|
||||
*/
|
||||
static int finishpcall (lua_State *L, int status, int extra) {
|
||||
static int finishpcall (lua_State *L, int status, lua_KContext extra) {
|
||||
if (status != LUA_OK && status != LUA_YIELD) { /* error? */
|
||||
lua_pushboolean(L, 0); /* first result (false) */
|
||||
lua_pushvalue(L, -2); /* error message */
|
||||
return 2; /* return false, msg */
|
||||
}
|
||||
else
|
||||
return lua_gettop(L) - extra; /* return all results */
|
||||
return lua_gettop(L) - (int)extra; /* return all results */
|
||||
}
|
||||
|
||||
|
||||
|
@ -473,21 +502,31 @@ static const luaL_Reg base_funcs[] = {
|
|||
{"setmetatable", luaB_setmetatable},
|
||||
{"tonumber", luaB_tonumber},
|
||||
{"tostring", luaB_tostring},
|
||||
{"type", luaB_type},
|
||||
{"xpcall", luaB_xpcall},
|
||||
/* placeholders */
|
||||
{"type", NULL},
|
||||
{"_G", NULL},
|
||||
{"_VERSION", NULL},
|
||||
{NULL, NULL}
|
||||
};
|
||||
|
||||
|
||||
LUAMOD_API int luaopen_base (lua_State *L) {
|
||||
/* set global _G */
|
||||
lua_pushglobaltable(L);
|
||||
lua_pushglobaltable(L);
|
||||
lua_setfield(L, -2, "_G");
|
||||
int i;
|
||||
/* open lib into global table */
|
||||
lua_pushglobaltable(L);
|
||||
luaL_setfuncs(L, base_funcs, 0);
|
||||
/* set global _G */
|
||||
lua_pushvalue(L, -1);
|
||||
lua_setfield(L, -2, "_G");
|
||||
/* set global _VERSION */
|
||||
lua_pushliteral(L, LUA_VERSION);
|
||||
lua_setfield(L, -2, "_VERSION"); /* set global _VERSION */
|
||||
lua_setfield(L, -2, "_VERSION");
|
||||
/* set function 'type' with proper upvalues */
|
||||
for (i = 0; i < LUA_NUMTAGS; i++) /* push all type names as upvalues */
|
||||
lua_pushstring(L, lua_typename(L, i));
|
||||
lua_pushcclosure(L, luaB_type, LUA_NUMTAGS);
|
||||
lua_setfield(L, -2, "type");
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: lbitlib.c,v 1.1.1.2 2015/02/02 02:01:06 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** Id: lbitlib.c,v 1.28 2014/11/02 19:19:04 roberto Exp
|
||||
** $Id: lbitlib.c,v 1.2 2015/02/02 14:03:05 lneto Exp $
|
||||
** Standard library for bitwise operations
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
|
|
@ -1,20 +1,22 @@
|
|||
/* $NetBSD: lcode.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lcode.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lcode.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lcode.c,v 2.99 2014/12/29 16:49:25 roberto Exp
|
||||
** Code generator for Lua
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lcode_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <math.h>
|
||||
#include <stdlib.h>
|
||||
#endif
|
||||
|
||||
#define lcode_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lcode.h"
|
||||
|
@ -31,12 +33,8 @@
|
|||
#include "lvm.h"
|
||||
|
||||
|
||||
/* test for x == -0 */
|
||||
#if defined(signbit)
|
||||
#define isminuszero(x) ((x) == 0.0 && signbit(x))
|
||||
#else
|
||||
#define isminuszero(x) ((x) == 0.0 && 1.0/(x) < 0.0)
|
||||
#endif
|
||||
/* Maximum number of registers in a Lua function */
|
||||
#define MAXREGS 250
|
||||
|
||||
|
||||
#define hasjumps(e) ((e)->t != (e)->f)
|
||||
|
@ -113,7 +111,7 @@ static void fixjump (FuncState *fs, int pc, int dest) {
|
|||
|
||||
|
||||
/*
|
||||
** returns current `pc' and marks it as a jump target (to avoid wrong
|
||||
** returns current 'pc' and marks it as a jump target (to avoid wrong
|
||||
** optimizations with consecutive instructions not in the same basic block).
|
||||
*/
|
||||
int luaK_getlabel (FuncState *fs) {
|
||||
|
@ -236,7 +234,7 @@ void luaK_concat (FuncState *fs, int *l1, int l2) {
|
|||
|
||||
static int luaK_code (FuncState *fs, Instruction i) {
|
||||
Proto *f = fs->f;
|
||||
dischargejpc(fs); /* `pc' will change */
|
||||
dischargejpc(fs); /* 'pc' will change */
|
||||
/* put new instruction in code array */
|
||||
luaM_growvector(fs->ls->L, f->code, fs->pc, f->sizecode, Instruction,
|
||||
MAX_INT, "opcodes");
|
||||
|
@ -286,7 +284,7 @@ int luaK_codek (FuncState *fs, int reg, int k) {
|
|||
void luaK_checkstack (FuncState *fs, int n) {
|
||||
int newstack = fs->freereg + n;
|
||||
if (newstack > fs->f->maxstacksize) {
|
||||
if (newstack >= MAXSTACK)
|
||||
if (newstack >= MAXREGS)
|
||||
luaX_syntaxerror(fs->ls, "function or expression too complex");
|
||||
fs->f->maxstacksize = cast_byte(newstack);
|
||||
}
|
||||
|
@ -365,14 +363,8 @@ int luaK_intK (FuncState *fs, lua_Integer n) {
|
|||
|
||||
|
||||
#ifndef _KERNEL
|
||||
/*
|
||||
** Both NaN and -0.0 should not go to the constant table, as they have
|
||||
** problems with the hashing. (NaN is not a valid key, -0.0 collides
|
||||
** with +0.0.)
|
||||
*/
|
||||
static int luaK_numberK (FuncState *fs, lua_Number r) {
|
||||
TValue o;
|
||||
lua_assert(!luai_numisnan(r) && !isminuszero(r));
|
||||
setfltvalue(&o, r);
|
||||
return addk(fs, &o, &o);
|
||||
}
|
||||
|
@ -513,7 +505,7 @@ static void discharge2anyreg (FuncState *fs, expdesc *e) {
|
|||
static void exp2reg (FuncState *fs, expdesc *e, int reg) {
|
||||
discharge2reg(fs, e, reg);
|
||||
if (e->k == VJMP)
|
||||
luaK_concat(fs, &e->t, e->u.info); /* put this jump in `t' list */
|
||||
luaK_concat(fs, &e->t, e->u.info); /* put this jump in 't' list */
|
||||
if (hasjumps(e)) {
|
||||
int final; /* position after whole expression */
|
||||
int p_f = NO_JUMP; /* position of an eventual LOAD false */
|
||||
|
@ -597,7 +589,7 @@ int luaK_exp2RK (FuncState *fs, expdesc *e) {
|
|||
#endif
|
||||
case VK: {
|
||||
vk:
|
||||
if (e->u.info <= MAXINDEXRK) /* constant fits in argC? */
|
||||
if (e->u.info <= MAXINDEXRK) /* constant fits in 'argC'? */
|
||||
return RKASK(e->u.info);
|
||||
else break;
|
||||
}
|
||||
|
@ -693,7 +685,7 @@ void luaK_goiftrue (FuncState *fs, expdesc *e) {
|
|||
break;
|
||||
}
|
||||
}
|
||||
luaK_concat(fs, &e->f, pc); /* insert last jump in `f' list */
|
||||
luaK_concat(fs, &e->f, pc); /* insert last jump in 'f' list */
|
||||
luaK_patchtohere(fs, e->t);
|
||||
e->t = NO_JUMP;
|
||||
}
|
||||
|
@ -716,7 +708,7 @@ void luaK_goiffalse (FuncState *fs, expdesc *e) {
|
|||
break;
|
||||
}
|
||||
}
|
||||
luaK_concat(fs, &e->t, pc); /* insert last jump in `t' list */
|
||||
luaK_concat(fs, &e->t, pc); /* insert last jump in 't' list */
|
||||
luaK_patchtohere(fs, e->f);
|
||||
e->f = NO_JUMP;
|
||||
}
|
||||
|
@ -775,20 +767,18 @@ void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k) {
|
|||
** return false if folding can raise an error
|
||||
*/
|
||||
static int validop (int op, TValue *v1, TValue *v2) {
|
||||
lua_Number a, b;
|
||||
lua_Integer i;
|
||||
cast_void(a); cast_void(b); /* macro may not use its arguments */
|
||||
if (luai_numinvalidop(op, (cast_void(tonumber(v1, &a)), a),
|
||||
(cast_void(tonumber(v2, &b)), b)))
|
||||
return 0;
|
||||
switch (op) {
|
||||
case LUA_OPIDIV: /* division by 0 and conversion errors */
|
||||
return (tointeger(v1, &i) && tointeger(v2, &i) && i != 0);
|
||||
case LUA_OPBAND: case LUA_OPBOR: case LUA_OPBXOR:
|
||||
case LUA_OPSHL: case LUA_OPSHR: case LUA_OPBNOT: /* conversion errors */
|
||||
case LUA_OPSHL: case LUA_OPSHR: case LUA_OPBNOT: { /* conversion errors */
|
||||
lua_Integer i;
|
||||
return (tointeger(v1, &i) && tointeger(v2, &i));
|
||||
case LUA_OPMOD: /* integer module by 0 */
|
||||
return !(ttisinteger(v1) && ttisinteger(v2) && ivalue(v2) == 0);
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
case LUA_OPDIV: case LUA_OPIDIV: case LUA_OPMOD: /* division by 0 */
|
||||
#else /* _KERNEL */
|
||||
case LUA_OPIDIV: case LUA_OPMOD: /* division by 0 */
|
||||
#endif
|
||||
return (nvalue(v2) != 0);
|
||||
default: return 1; /* everything else is valid */
|
||||
}
|
||||
}
|
||||
|
@ -801,39 +791,50 @@ static int constfolding (FuncState *fs, int op, expdesc *e1, expdesc *e2) {
|
|||
TValue v1, v2, res;
|
||||
if (!tonumeral(e1, &v1) || !tonumeral(e2, &v2) || !validop(op, &v1, &v2))
|
||||
return 0; /* non-numeric operands or not safe to fold */
|
||||
luaO_arith(fs->ls->L, op, &v1, &v2, &res);
|
||||
luaO_arith(fs->ls->L, op, &v1, &v2, &res); /* does operation */
|
||||
if (ttisinteger(&res)) {
|
||||
e1->k = VKINT;
|
||||
e1->u.ival = ivalue(&res);
|
||||
}
|
||||
else {
|
||||
else { /* folds neither NaN nor 0.0 (to avoid collapsing with -0.0) */
|
||||
#ifndef _KERNEL
|
||||
lua_Number n = fltvalue(&res);
|
||||
if (luai_numisnan(n) || isminuszero(n))
|
||||
return 0; /* folds neither NaN nor -0 */
|
||||
if (luai_numisnan(n) || n == 0)
|
||||
return 0;
|
||||
e1->k = VKFLT;
|
||||
e1->u.nval = n;
|
||||
#else
|
||||
return 0;
|
||||
#else /* _KERNEL */
|
||||
return 0; /* if it is not integer, we must fail */
|
||||
#endif
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static void codearith (FuncState *fs, OpCode op,
|
||||
expdesc *e1, expdesc *e2, int line) {
|
||||
if (!constfolding(fs, op - OP_ADD + LUA_OPADD, e1, e2)) {
|
||||
/*
|
||||
** Code for binary and unary expressions that "produce values"
|
||||
** (arithmetic operations, bitwise operations, concat, length). First
|
||||
** try to do constant folding (only for numeric [arithmetic and
|
||||
** bitwise] operations, which is what 'lua_arith' accepts).
|
||||
** Expression to produce final result will be encoded in 'e1'.
|
||||
*/
|
||||
static void codeexpval (FuncState *fs, OpCode op,
|
||||
expdesc *e1, expdesc *e2, int line) {
|
||||
lua_assert(op >= OP_ADD);
|
||||
if (op <= OP_BNOT && constfolding(fs, op - OP_ADD + LUA_OPADD, e1, e2))
|
||||
return; /* result has been folded */
|
||||
else {
|
||||
int o1, o2;
|
||||
if (op == OP_UNM || op == OP_BNOT || op == OP_LEN) {
|
||||
o2 = 0;
|
||||
/* move operands to registers (if needed) */
|
||||
if (op == OP_UNM || op == OP_BNOT || op == OP_LEN) { /* unary op? */
|
||||
o2 = 0; /* no second expression */
|
||||
o1 = luaK_exp2anyreg(fs, e1); /* cannot operate on constants */
|
||||
}
|
||||
else { /* regular case (binary operators) */
|
||||
o2 = luaK_exp2RK(fs, e2);
|
||||
o2 = luaK_exp2RK(fs, e2); /* both operands are "RK" */
|
||||
o1 = luaK_exp2RK(fs, e1);
|
||||
}
|
||||
if (o1 > o2) {
|
||||
if (o1 > o2) { /* free registers in proper order */
|
||||
freeexp(fs, e1);
|
||||
freeexp(fs, e2);
|
||||
}
|
||||
|
@ -841,8 +842,8 @@ static void codearith (FuncState *fs, OpCode op,
|
|||
freeexp(fs, e2);
|
||||
freeexp(fs, e1);
|
||||
}
|
||||
e1->u.info = luaK_codeABC(fs, op, 0, o1, o2);
|
||||
e1->k = VRELOCABLE;
|
||||
e1->u.info = luaK_codeABC(fs, op, 0, o1, o2); /* generate opcode */
|
||||
e1->k = VRELOCABLE; /* all those operations are relocable */
|
||||
luaK_fixline(fs, line);
|
||||
}
|
||||
}
|
||||
|
@ -855,7 +856,7 @@ static void codecomp (FuncState *fs, OpCode op, int cond, expdesc *e1,
|
|||
freeexp(fs, e2);
|
||||
freeexp(fs, e1);
|
||||
if (cond == 0 && op != OP_EQ) {
|
||||
int temp; /* exchange args to replace by `<' or `<=' */
|
||||
int temp; /* exchange args to replace by '<' or '<=' */
|
||||
temp = o1; o1 = o2; o2 = temp; /* o1 <==> o2 */
|
||||
cond = 1;
|
||||
}
|
||||
|
@ -869,7 +870,7 @@ void luaK_prefix (FuncState *fs, UnOpr op, expdesc *e, int line) {
|
|||
e2.t = e2.f = NO_JUMP; e2.k = VKINT; e2.u.ival = 0;
|
||||
switch (op) {
|
||||
case OPR_MINUS: case OPR_BNOT: case OPR_LEN: {
|
||||
codearith(fs, cast(OpCode, (op - OPR_MINUS) + OP_UNM), e, &e2, line);
|
||||
codeexpval(fs, cast(OpCode, (op - OPR_MINUS) + OP_UNM), e, &e2, line);
|
||||
break;
|
||||
}
|
||||
case OPR_NOT: codenot(fs, e); break;
|
||||
|
@ -889,7 +890,7 @@ void luaK_infix (FuncState *fs, BinOpr op, expdesc *v) {
|
|||
break;
|
||||
}
|
||||
case OPR_CONCAT: {
|
||||
luaK_exp2nextreg(fs, v); /* operand must be on the `stack' */
|
||||
luaK_exp2nextreg(fs, v); /* operand must be on the 'stack' */
|
||||
break;
|
||||
}
|
||||
case OPR_ADD: case OPR_SUB:
|
||||
|
@ -940,7 +941,7 @@ void luaK_posfix (FuncState *fs, BinOpr op,
|
|||
}
|
||||
else {
|
||||
luaK_exp2nextreg(fs, e2); /* operand must be on the 'stack' */
|
||||
codearith(fs, OP_CONCAT, e1, e2, line);
|
||||
codeexpval(fs, OP_CONCAT, e1, e2, line);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
@ -953,7 +954,7 @@ void luaK_posfix (FuncState *fs, BinOpr op,
|
|||
#endif
|
||||
case OPR_BAND: case OPR_BOR: case OPR_BXOR:
|
||||
case OPR_SHL: case OPR_SHR: {
|
||||
codearith(fs, cast(OpCode, (op - OPR_ADD) + OP_ADD), e1, e2, line);
|
||||
codeexpval(fs, cast(OpCode, (op - OPR_ADD) + OP_ADD), e1, e2, line);
|
||||
break;
|
||||
}
|
||||
case OPR_EQ: case OPR_LT: case OPR_LE: {
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: lcode.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lcode.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lcode.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lcode.h,v 1.63 2013/12/30 20:47:58 roberto Exp
|
||||
** Code generator for Lua
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -29,7 +29,7 @@ typedef enum BinOpr {
|
|||
#ifndef _KERNEL
|
||||
OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD, OPR_POW,
|
||||
OPR_DIV,
|
||||
#else
|
||||
#else /* _KERNEL */
|
||||
OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD,
|
||||
#endif
|
||||
OPR_IDIV,
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: lcorolib.c,v 1.1.1.2 2015/02/02 02:01:08 lneto Exp $ */
|
||||
/* $NetBSD: lcorolib.c,v 1.2 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** Id: lcorolib.c,v 1.9 2014/11/02 19:19:04 roberto Exp
|
||||
|
@ -12,7 +12,9 @@
|
|||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stdlib.h>
|
||||
#endif
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: lctype.c,v 1.1.1.2 2015/02/02 02:01:11 lneto Exp $ */
|
||||
/* $NetBSD: lctype.c,v 1.2 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** Id: lctype.c,v 1.12 2014/11/02 19:19:04 roberto Exp
|
||||
|
@ -16,7 +16,9 @@
|
|||
|
||||
#if !LUA_USE_CTYPE /* { */
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <limits.h>
|
||||
#endif
|
||||
|
||||
LUAI_DDEF const lu_byte luai_ctype_[UCHAR_MAX + 2] = {
|
||||
0x00, /* EOZ */
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: lctype.h,v 1.1.1.1 2014/07/20 23:17:33 lneto Exp $ */
|
||||
/* $NetBSD: lctype.h,v 1.2 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** Id: lctype.h,v 1.12 2011/07/15 12:50:29 roberto Exp
|
||||
|
@ -33,7 +33,9 @@
|
|||
|
||||
#if !LUA_USE_CTYPE /* { */
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <limits.h>
|
||||
#endif
|
||||
|
||||
#include "llimits.h"
|
||||
|
||||
|
|
|
@ -1,11 +1,16 @@
|
|||
/* $NetBSD: ldblib.c,v 1.4 2014/07/19 19:37:31 lneto Exp $ */
|
||||
/* $NetBSD: ldblib.c,v 1.5 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ldblib.c,v 1.4 2014/07/19 19:37:31 lneto Exp $
|
||||
** Id: ldblib.c,v 1.148 2015/01/02 12:52:22 roberto Exp
|
||||
** Interface from Lua to its debug API
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define ldblib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stdio.h>
|
||||
|
@ -13,43 +18,17 @@
|
|||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define ldblib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
#include "lualib.h"
|
||||
|
||||
|
||||
#define HOOKKEY "_HKEY"
|
||||
|
||||
|
||||
static int db_Csize (lua_State *L) {
|
||||
static struct {
|
||||
char c;
|
||||
unsigned char sz;
|
||||
} sizes[] = {
|
||||
{'I', sizeof(lua_Integer)},
|
||||
{'F', sizeof(lua_Number)},
|
||||
{'b', CHAR_BIT}, /* here is number of bits (not bytes) */
|
||||
{'h', sizeof(short)},
|
||||
{'i', sizeof(int)},
|
||||
{'l', sizeof(long)},
|
||||
{'z', sizeof(size_t)},
|
||||
{'f', sizeof(float)},
|
||||
{'d', sizeof(double)}
|
||||
};
|
||||
const char *s = luaL_checkstring(L, 1);
|
||||
int i;
|
||||
for (i = 0; i < (int)(sizeof(sizes)/sizeof(sizes[0])); i++) {
|
||||
if (*s == sizes[i].c) {
|
||||
lua_pushinteger(L, sizes[i].sz);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
return luaL_argerror(L, 1, lua_pushfstring(L, "invalid option '%c'", *s));
|
||||
}
|
||||
/*
|
||||
** The hook table at registry[&HOOKKEY] maps threads to their current
|
||||
** hook function. (We only need the unique address of 'HOOKKEY'.)
|
||||
*/
|
||||
static const int HOOKKEY = 0;
|
||||
|
||||
|
||||
static int db_getregistry (lua_State *L) {
|
||||
|
@ -164,7 +143,7 @@ static int db_getinfo (lua_State *L) {
|
|||
lua_xmove(L, L1, 1);
|
||||
}
|
||||
else { /* stack level */
|
||||
if (!lua_getstack(L1, luaL_checkint(L, arg + 1), &ar)) {
|
||||
if (!lua_getstack(L1, (int)luaL_checkinteger(L, arg + 1), &ar)) {
|
||||
lua_pushnil(L); /* level out of range */
|
||||
return 1;
|
||||
}
|
||||
|
@ -205,14 +184,15 @@ static int db_getlocal (lua_State *L) {
|
|||
lua_State *L1 = getthread(L, &arg);
|
||||
lua_Debug ar;
|
||||
const char *name;
|
||||
int nvar = luaL_checkint(L, arg+2); /* local-variable index */
|
||||
int nvar = (int)luaL_checkinteger(L, arg + 2); /* local-variable index */
|
||||
if (lua_isfunction(L, arg + 1)) { /* function argument? */
|
||||
lua_pushvalue(L, arg + 1); /* push function */
|
||||
lua_pushstring(L, lua_getlocal(L, NULL, nvar)); /* push local name */
|
||||
return 1; /* return only name (there is no value) */
|
||||
}
|
||||
else { /* stack-level argument */
|
||||
if (!lua_getstack(L1, luaL_checkint(L, arg+1), &ar)) /* out of range? */
|
||||
int level = (int)luaL_checkinteger(L, arg + 1);
|
||||
if (!lua_getstack(L1, level, &ar)) /* out of range? */
|
||||
return luaL_argerror(L, arg+1, "level out of range");
|
||||
name = lua_getlocal(L1, &ar, nvar);
|
||||
if (name) {
|
||||
|
@ -231,14 +211,20 @@ static int db_getlocal (lua_State *L) {
|
|||
|
||||
static int db_setlocal (lua_State *L) {
|
||||
int arg;
|
||||
const char *name;
|
||||
lua_State *L1 = getthread(L, &arg);
|
||||
lua_Debug ar;
|
||||
if (!lua_getstack(L1, luaL_checkint(L, arg+1), &ar)) /* out of range? */
|
||||
int level = (int)luaL_checkinteger(L, arg + 1);
|
||||
int nvar = (int)luaL_checkinteger(L, arg + 2);
|
||||
if (!lua_getstack(L1, level, &ar)) /* out of range? */
|
||||
return luaL_argerror(L, arg+1, "level out of range");
|
||||
luaL_checkany(L, arg+3);
|
||||
lua_settop(L, arg+3);
|
||||
lua_xmove(L, L1, 1);
|
||||
lua_pushstring(L, lua_setlocal(L1, &ar, luaL_checkint(L, arg+2)));
|
||||
name = lua_setlocal(L1, &ar, nvar);
|
||||
if (name == NULL)
|
||||
lua_pop(L1, 1); /* pop value (if not popped by 'lua_setlocal') */
|
||||
lua_pushstring(L, name);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
@ -248,7 +234,7 @@ static int db_setlocal (lua_State *L) {
|
|||
*/
|
||||
static int auxupvalue (lua_State *L, int get) {
|
||||
const char *name;
|
||||
int n = luaL_checkint(L, 2); /* upvalue index */
|
||||
int n = (int)luaL_checkinteger(L, 2); /* upvalue index */
|
||||
luaL_checktype(L, 1, LUA_TFUNCTION); /* closure */
|
||||
name = get ? lua_getupvalue(L, 1, n) : lua_setupvalue(L, 1, n);
|
||||
if (name == NULL) return 0;
|
||||
|
@ -274,7 +260,7 @@ static int db_setupvalue (lua_State *L) {
|
|||
** returns its index
|
||||
*/
|
||||
static int checkupval (lua_State *L, int argf, int argnup) {
|
||||
int nup = luaL_checkint(L, argnup); /* upvalue index */
|
||||
int nup = (int)luaL_checkinteger(L, argnup); /* upvalue index */
|
||||
luaL_checktype(L, argf, LUA_TFUNCTION); /* closure */
|
||||
luaL_argcheck(L, (lua_getupvalue(L, argf, nup) != NULL), argnup,
|
||||
"invalid upvalue index");
|
||||
|
@ -299,13 +285,6 @@ static int db_upvaluejoin (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
** The hook table (at registry[HOOKKEY]) maps threads to their current
|
||||
** hook function
|
||||
*/
|
||||
#define gethooktable(L) luaL_getsubtable(L, LUA_REGISTRYINDEX, HOOKKEY)
|
||||
|
||||
|
||||
/*
|
||||
** Call hook function registered at hook table for the current
|
||||
** thread (if there is one)
|
||||
|
@ -313,7 +292,7 @@ static int db_upvaluejoin (lua_State *L) {
|
|||
static void hookf (lua_State *L, lua_Debug *ar) {
|
||||
static const char *const hooknames[] =
|
||||
{"call", "return", "line", "count", "tail call"};
|
||||
gethooktable(L);
|
||||
lua_rawgetp(L, LUA_REGISTRYINDEX, &HOOKKEY);
|
||||
lua_pushthread(L);
|
||||
if (lua_rawget(L, -2) == LUA_TFUNCTION) { /* is there a hook function? */
|
||||
lua_pushstring(L, hooknames[(int)ar->event]); /* push event name */
|
||||
|
@ -363,19 +342,22 @@ static int db_sethook (lua_State *L) {
|
|||
else {
|
||||
const char *smask = luaL_checkstring(L, arg+2);
|
||||
luaL_checktype(L, arg+1, LUA_TFUNCTION);
|
||||
count = luaL_optint(L, arg+3, 0);
|
||||
count = (int)luaL_optinteger(L, arg + 3, 0);
|
||||
func = hookf; mask = makemask(smask, count);
|
||||
}
|
||||
if (gethooktable(L) == 0) { /* creating hook table? */
|
||||
if (lua_rawgetp(L, LUA_REGISTRYINDEX, &HOOKKEY) == LUA_TNIL) {
|
||||
lua_createtable(L, 0, 2); /* create a hook table */
|
||||
lua_pushvalue(L, -1);
|
||||
lua_rawsetp(L, LUA_REGISTRYINDEX, &HOOKKEY); /* set it in position */
|
||||
lua_pushstring(L, "k");
|
||||
lua_setfield(L, -2, "__mode"); /** hooktable.__mode = "k" */
|
||||
lua_pushvalue(L, -1);
|
||||
lua_setmetatable(L, -2); /* setmetatable(hooktable) = hooktable */
|
||||
}
|
||||
lua_pushthread(L1); lua_xmove(L1, L, 1); /* key */
|
||||
lua_pushvalue(L, arg+1); /* value */
|
||||
lua_pushthread(L1); lua_xmove(L1, L, 1); /* key (thread) */
|
||||
lua_pushvalue(L, arg + 1); /* value (hook function) */
|
||||
lua_rawset(L, -3); /* hooktable[L1] = new Lua hook */
|
||||
lua_sethook(L1, func, mask, count); /* set hooks */
|
||||
lua_sethook(L1, func, mask, count);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -386,10 +368,12 @@ static int db_gethook (lua_State *L) {
|
|||
char buff[5];
|
||||
int mask = lua_gethookmask(L1);
|
||||
lua_Hook hook = lua_gethook(L1);
|
||||
if (hook != NULL && hook != hookf) /* external hook? */
|
||||
if (hook == NULL) /* no hook? */
|
||||
lua_pushnil(L);
|
||||
else if (hook != hookf) /* external hook? */
|
||||
lua_pushliteral(L, "external hook");
|
||||
else {
|
||||
gethooktable(L);
|
||||
else { /* hook table must exist */
|
||||
lua_rawgetp(L, LUA_REGISTRYINDEX, &HOOKKEY);
|
||||
lua_pushthread(L1); lua_xmove(L1, L, 1);
|
||||
lua_rawget(L, -2); /* 1st result = hooktable[L1] */
|
||||
lua_remove(L, -2); /* remove hook table */
|
||||
|
@ -404,13 +388,13 @@ static int db_gethook (lua_State *L) {
|
|||
static int db_debug (lua_State *L) {
|
||||
for (;;) {
|
||||
char buffer[250];
|
||||
luai_writestringerror("%s", "lua_debug> ");
|
||||
lua_writestringerror("%s", "lua_debug> ");
|
||||
if (fgets(buffer, sizeof(buffer), stdin) == 0 ||
|
||||
strcmp(buffer, "cont\n") == 0)
|
||||
return 0;
|
||||
if (luaL_loadbuffer(L, buffer, strlen(buffer), "=(debug command)") ||
|
||||
lua_pcall(L, 0, 0, 0))
|
||||
luai_writestringerror("%s\n", lua_tostring(L, -1));
|
||||
lua_writestringerror("%s\n", lua_tostring(L, -1));
|
||||
lua_settop(L, 0); /* remove eventual returns */
|
||||
}
|
||||
}
|
||||
|
@ -424,7 +408,7 @@ static int db_traceback (lua_State *L) {
|
|||
if (msg == NULL && !lua_isnoneornil(L, arg + 1)) /* non-string 'msg'? */
|
||||
lua_pushvalue(L, arg + 1); /* return it untouched */
|
||||
else {
|
||||
int level = luaL_optint(L, arg + 2, (L == L1) ? 1 : 0);
|
||||
int level = (int)luaL_optinteger(L, arg + 2, (L == L1) ? 1 : 0);
|
||||
luaL_traceback(L, L1, msg, level);
|
||||
}
|
||||
return 1;
|
||||
|
@ -432,7 +416,6 @@ static int db_traceback (lua_State *L) {
|
|||
|
||||
|
||||
static const luaL_Reg dblib[] = {
|
||||
{"Csize", db_Csize},
|
||||
#ifndef _KERNEL
|
||||
{"debug", db_debug},
|
||||
#endif
|
||||
|
|
|
@ -1,11 +1,16 @@
|
|||
/* $NetBSD: ldebug.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: ldebug.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ldebug.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: ldebug.c,v 2.110 2015/01/02 12:52:22 roberto Exp
|
||||
** Debug Interface
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define ldebug_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stdarg.h>
|
||||
|
@ -13,10 +18,6 @@
|
|||
#include <string.h>
|
||||
#endif
|
||||
|
||||
|
||||
#define ldebug_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lapi.h"
|
||||
|
@ -170,9 +171,10 @@ LUA_API const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n) {
|
|||
StkId pos = 0; /* to avoid warnings */
|
||||
const char *name = findlocal(L, ar->i_ci, n, &pos);
|
||||
lua_lock(L);
|
||||
if (name)
|
||||
if (name) {
|
||||
setobjs2s(L, pos, L->top - 1);
|
||||
L->top--; /* pop value */
|
||||
L->top--; /* pop value */
|
||||
}
|
||||
lua_unlock(L);
|
||||
return name;
|
||||
}
|
||||
|
@ -275,7 +277,7 @@ LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar) {
|
|||
if (*what == '>') {
|
||||
ci = NULL;
|
||||
func = L->top - 1;
|
||||
api_check(L, ttisfunction(func), "function expected");
|
||||
api_check(ttisfunction(func), "function expected");
|
||||
what++; /* skip the '>' */
|
||||
L->top--; /* pop function */
|
||||
}
|
||||
|
@ -369,7 +371,7 @@ static int findsetreg (Proto *p, int lastpc, int reg) {
|
|||
case OP_JMP: {
|
||||
int b = GETARG_sBx(i);
|
||||
int dest = pc + 1 + b;
|
||||
/* jump is forward and do not skip `lastpc'? */
|
||||
/* jump is forward and do not skip 'lastpc'? */
|
||||
if (pc < dest && dest <= lastpc) {
|
||||
if (dest > jmptarget)
|
||||
jmptarget = dest; /* update 'jmptarget' */
|
||||
|
@ -441,10 +443,14 @@ static const char *getobjname (Proto *p, int lastpc, int reg,
|
|||
|
||||
|
||||
static const char *getfuncname (lua_State *L, CallInfo *ci, const char **name) {
|
||||
TMS tm;
|
||||
TMS tm = (TMS)0; /* to avoid warnings */
|
||||
Proto *p = ci_func(ci)->p; /* calling function */
|
||||
int pc = currentpc(ci); /* calling instruction index */
|
||||
Instruction i = p->code[pc]; /* calling instruction */
|
||||
if (ci->callstatus & CIST_HOOKED) { /* was it called inside a hook? */
|
||||
*name = "?";
|
||||
return "hook";
|
||||
}
|
||||
switch (GET_OPCODE(i)) {
|
||||
case OP_CALL:
|
||||
case OP_TAILCALL: /* get function name */
|
||||
|
@ -454,30 +460,31 @@ static const char *getfuncname (lua_State *L, CallInfo *ci, const char **name) {
|
|||
return "for iterator";
|
||||
}
|
||||
/* all other instructions can call only through metamethods */
|
||||
case OP_SELF:
|
||||
case OP_GETTABUP:
|
||||
case OP_GETTABLE: tm = TM_INDEX; break;
|
||||
case OP_SETTABUP:
|
||||
case OP_SETTABLE: tm = TM_NEWINDEX; break;
|
||||
case OP_EQ: tm = TM_EQ; break;
|
||||
case OP_ADD: tm = TM_ADD; break;
|
||||
case OP_SUB: tm = TM_SUB; break;
|
||||
case OP_MUL: tm = TM_MUL; break;
|
||||
case OP_SELF: case OP_GETTABUP: case OP_GETTABLE:
|
||||
tm = TM_INDEX;
|
||||
break;
|
||||
case OP_SETTABUP: case OP_SETTABLE:
|
||||
tm = TM_NEWINDEX;
|
||||
break;
|
||||
case OP_ADD: case OP_SUB: case OP_MUL: case OP_MOD:
|
||||
#ifndef _KERNEL
|
||||
case OP_DIV: tm = TM_DIV; break;
|
||||
#endif
|
||||
case OP_IDIV: tm = TM_IDIV; break;
|
||||
case OP_MOD: tm = TM_MOD; break;
|
||||
#ifndef _KERNEL
|
||||
case OP_POW: tm = TM_POW; break;
|
||||
case OP_POW: case OP_DIV: case OP_IDIV: case OP_BAND:
|
||||
#else /* _KERNEL */
|
||||
case OP_IDIV: case OP_BAND:
|
||||
#endif
|
||||
case OP_BOR: case OP_BXOR: case OP_SHL: case OP_SHR: {
|
||||
int offset = cast_int(GET_OPCODE(i)) - cast_int(OP_ADD); /* ORDER OP */
|
||||
tm = cast(TMS, offset + cast_int(TM_ADD)); /* ORDER TM */
|
||||
break;
|
||||
}
|
||||
case OP_UNM: tm = TM_UNM; break;
|
||||
case OP_BNOT: tm = TM_BNOT; break;
|
||||
case OP_LEN: tm = TM_LEN; break;
|
||||
case OP_CONCAT: tm = TM_CONCAT; break;
|
||||
case OP_EQ: tm = TM_EQ; break;
|
||||
case OP_LT: tm = TM_LT; break;
|
||||
case OP_LE: tm = TM_LE; break;
|
||||
case OP_CONCAT: tm = TM_CONCAT; break;
|
||||
default:
|
||||
return NULL; /* else no useful name can be found */
|
||||
default: lua_assert(0); /* other instructions cannot call a function */
|
||||
}
|
||||
*name = getstr(G(L)->tmname[tm]);
|
||||
return "metamethod";
|
||||
|
@ -488,17 +495,21 @@ static const char *getfuncname (lua_State *L, CallInfo *ci, const char **name) {
|
|||
|
||||
|
||||
/*
|
||||
** only ANSI way to check whether a pointer points to an array
|
||||
** (used only for error messages, so efficiency is not a big concern)
|
||||
** The subtraction of two potentially unrelated pointers is
|
||||
** not ISO C, but it should not crash a program; the subsequent
|
||||
** checks are ISO C and ensure a correct result.
|
||||
*/
|
||||
static int isinstack (CallInfo *ci, const TValue *o) {
|
||||
StkId p;
|
||||
for (p = ci->u.l.base; p < ci->top; p++)
|
||||
if (o == p) return 1;
|
||||
return 0;
|
||||
ptrdiff_t i = o - ci->u.l.base;
|
||||
return (0 <= i && i < (ci->top - ci->u.l.base) && ci->u.l.base + i == o);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Checks whether value 'o' came from an upvalue. (That can only happen
|
||||
** with instructions OP_GETTABUP/OP_SETTABUP, which operate directly on
|
||||
** upvalues.)
|
||||
*/
|
||||
static const char *getupvalname (CallInfo *ci, const TValue *o,
|
||||
const char **name) {
|
||||
LClosure *c = ci_func(ci);
|
||||
|
@ -514,7 +525,7 @@ static const char *getupvalname (CallInfo *ci, const TValue *o,
|
|||
|
||||
|
||||
static const char *varinfo (lua_State *L, const TValue *o) {
|
||||
const char *name;
|
||||
const char *name = NULL; /* to avoid warnings */
|
||||
CallInfo *ci = L->ci;
|
||||
const char *kind = NULL;
|
||||
if (isLua(ci)) {
|
||||
|
@ -523,7 +534,7 @@ static const char *varinfo (lua_State *L, const TValue *o) {
|
|||
kind = getobjname(ci_func(ci)->p, currentpc(ci),
|
||||
cast_int(o - ci->u.l.base), &name);
|
||||
}
|
||||
return (kind) ? luaO_pushfstring(L, " (%s " LUA_QS ")", kind, name) : "";
|
||||
return (kind) ? luaO_pushfstring(L, " (%s '%s')", kind, name) : "";
|
||||
}
|
||||
|
||||
|
||||
|
@ -534,26 +545,28 @@ l_noret luaG_typeerror (lua_State *L, const TValue *o, const char *op) {
|
|||
|
||||
|
||||
l_noret luaG_concaterror (lua_State *L, const TValue *p1, const TValue *p2) {
|
||||
if (ttisstring(p1) || ttisnumber(p1)) p1 = p2;
|
||||
lua_assert(!ttisstring(p1) && !ttisnumber(p1));
|
||||
if (ttisstring(p1) || cvt2str(p1)) p1 = p2;
|
||||
luaG_typeerror(L, p1, "concatenate");
|
||||
}
|
||||
|
||||
|
||||
l_noret luaG_aritherror (lua_State *L, const TValue *p1, const TValue *p2) {
|
||||
l_noret luaG_opinterror (lua_State *L, const TValue *p1,
|
||||
const TValue *p2, const char *msg) {
|
||||
lua_Number temp;
|
||||
if (!tonumber(p1, &temp))
|
||||
p2 = p1; /* first operand is wrong */
|
||||
luaG_typeerror(L, p2, "perform arithmetic on");
|
||||
if (!tonumber(p1, &temp)) /* first operand is wrong? */
|
||||
p2 = p1; /* now second is wrong */
|
||||
luaG_typeerror(L, p2, msg);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Error when both values are convertible to numbers, but not to integers
|
||||
*/
|
||||
l_noret luaG_tointerror (lua_State *L, const TValue *p1, const TValue *p2) {
|
||||
lua_Integer temp;
|
||||
if (!tointeger(p1, &temp))
|
||||
p2 = p1;
|
||||
luaG_runerror(L, "attempt to convert an out of range float%s to an integer",
|
||||
varinfo(L, p2));
|
||||
luaG_runerror(L, "number%s has no integer representation", varinfo(L, p2));
|
||||
}
|
||||
|
||||
|
||||
|
@ -586,10 +599,9 @@ static void addinfo (lua_State *L, const char *msg) {
|
|||
l_noret luaG_errormsg (lua_State *L) {
|
||||
if (L->errfunc != 0) { /* is there an error handling function? */
|
||||
StkId errfunc = restorestack(L, L->errfunc);
|
||||
if (!ttisfunction(errfunc)) luaD_throw(L, LUA_ERRERR);
|
||||
setobjs2s(L, L->top, L->top - 1); /* move argument */
|
||||
setobjs2s(L, L->top - 1, errfunc); /* push function */
|
||||
L->top++;
|
||||
L->top++; /* assume EXTRA_STACK */
|
||||
luaD_call(L, L->top - 2, 1, 0); /* call it */
|
||||
}
|
||||
luaD_throw(L, LUA_ERRRUN);
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: ldebug.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ldebug.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: ldebug.h,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Auxiliary functions from Debug Interface module
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -27,8 +25,9 @@ LUAI_FUNC l_noret luaG_typeerror (lua_State *L, const TValue *o,
|
|||
const char *opname);
|
||||
LUAI_FUNC l_noret luaG_concaterror (lua_State *L, const TValue *p1,
|
||||
const TValue *p2);
|
||||
LUAI_FUNC l_noret luaG_aritherror (lua_State *L, const TValue *p1,
|
||||
const TValue *p2);
|
||||
LUAI_FUNC l_noret luaG_opinterror (lua_State *L, const TValue *p1,
|
||||
const TValue *p2,
|
||||
const char *msg);
|
||||
LUAI_FUNC l_noret luaG_tointerror (lua_State *L, const TValue *p1,
|
||||
const TValue *p2);
|
||||
LUAI_FUNC l_noret luaG_ordererror (lua_State *L, const TValue *p1,
|
||||
|
|
|
@ -1,11 +1,16 @@
|
|||
/* $NetBSD: ldo.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: ldo.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ldo.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: ldo.c,v 2.135 2014/11/11 17:13:39 roberto Exp
|
||||
** Stack and Call structure of Lua
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define ldo_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <setjmp.h>
|
||||
|
@ -13,9 +18,6 @@
|
|||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define ldo_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lapi.h"
|
||||
|
@ -71,7 +73,7 @@
|
|||
|
||||
#else /* }{ */
|
||||
|
||||
/* ANSI handling with long jumps */
|
||||
/* ISO C handling with long jumps */
|
||||
#define LUAI_THROW(L,c) longjmp((c)->b, 1)
|
||||
#define LUAI_TRY(L,c,a) if (setjmp((c)->b) == 0) { a }
|
||||
#define luai_jmpbuf jmp_buf
|
||||
|
@ -115,15 +117,19 @@ l_noret luaD_throw (lua_State *L, int errcode) {
|
|||
LUAI_THROW(L, L->errorJmp); /* jump to it */
|
||||
}
|
||||
else { /* thread has no error handler */
|
||||
global_State *g = G(L);
|
||||
L->status = cast_byte(errcode); /* mark it as dead */
|
||||
if (G(L)->mainthread->errorJmp) { /* main thread has a handler? */
|
||||
setobjs2s(L, G(L)->mainthread->top++, L->top - 1); /* copy error obj. */
|
||||
luaD_throw(G(L)->mainthread, errcode); /* re-throw in main thread */
|
||||
if (g->mainthread->errorJmp) { /* main thread has a handler? */
|
||||
setobjs2s(L, g->mainthread->top++, L->top - 1); /* copy error obj. */
|
||||
luaD_throw(g->mainthread, errcode); /* re-throw in main thread */
|
||||
}
|
||||
else { /* no handler at all; abort */
|
||||
if (G(L)->panic) { /* panic function? */
|
||||
if (g->panic) { /* panic function? */
|
||||
seterrorobj(L, errcode, L->top); /* assume EXTRA_STACK */
|
||||
if (L->ci->top < L->top)
|
||||
L->ci->top = L->top; /* pushing msg. can break this invariant */
|
||||
lua_unlock(L);
|
||||
G(L)->panic(L); /* call it (last chance to jump out) */
|
||||
g->panic(L); /* call panic function (last chance to jump out) */
|
||||
}
|
||||
abort();
|
||||
}
|
||||
|
@ -284,18 +290,21 @@ static StkId adjust_varargs (lua_State *L, Proto *p, int actual) {
|
|||
}
|
||||
|
||||
|
||||
static StkId tryfuncTM (lua_State *L, StkId func) {
|
||||
/*
|
||||
** Check whether __call metafield of 'func' is a function. If so, put
|
||||
** it in stack below original 'func' so that 'luaD_precall' can call
|
||||
** it. Raise an error if __call metafield is not a function.
|
||||
*/
|
||||
static void tryfuncTM (lua_State *L, StkId func) {
|
||||
const TValue *tm = luaT_gettmbyobj(L, func, TM_CALL);
|
||||
StkId p;
|
||||
ptrdiff_t funcr = savestack(L, func);
|
||||
if (!ttisfunction(tm))
|
||||
luaG_typeerror(L, func, "call");
|
||||
/* Open a hole inside the stack at `func' */
|
||||
for (p = L->top; p > func; p--) setobjs2s(L, p, p-1);
|
||||
incr_top(L);
|
||||
func = restorestack(L, funcr); /* previous call may change stack */
|
||||
/* Open a hole inside the stack at 'func' */
|
||||
for (p = L->top; p > func; p--)
|
||||
setobjs2s(L, p, p-1);
|
||||
L->top++; /* slot ensured by caller */
|
||||
setobj2s(L, func, tm); /* tag method is the new function to be called */
|
||||
return func;
|
||||
}
|
||||
|
||||
|
||||
|
@ -365,7 +374,9 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
|
|||
return 0;
|
||||
}
|
||||
default: { /* not a function */
|
||||
func = tryfuncTM(L, func); /* retry with 'function' tag method */
|
||||
luaD_checkstack(L, 1); /* ensure space for metamethod */
|
||||
func = restorestack(L, funcr); /* previous call may change stack */
|
||||
tryfuncTM(L, func); /* try to get '__call' metamethod */
|
||||
return luaD_precall(L, func, nresults); /* now it must be a function */
|
||||
}
|
||||
}
|
||||
|
@ -520,7 +531,7 @@ static l_noret resume_error (lua_State *L, const char *msg, StkId firstArg) {
|
|||
/*
|
||||
** Do the work for 'lua_resume' in protected mode. Most of the work
|
||||
** depends on the status of the coroutine: initial state, suspended
|
||||
** inside a hook, or regulary suspended (optionally with a continuation
|
||||
** inside a hook, or regularly suspended (optionally with a continuation
|
||||
** function), plus erroneous cases: non-suspended coroutine or dead
|
||||
** coroutine.
|
||||
*/
|
||||
|
@ -578,7 +589,7 @@ LUA_API int lua_resume (lua_State *L, lua_State *from, int nargs) {
|
|||
status = luaD_rawrunprotected(L, unroll, &status);
|
||||
}
|
||||
if (errorstatus(status)) { /* unrecoverable error? */
|
||||
L->status = cast_byte(status); /* mark thread as `dead' */
|
||||
L->status = cast_byte(status); /* mark thread as 'dead' */
|
||||
seterrorobj(L, status, L->top); /* push error message */
|
||||
L->ci->top = L->top;
|
||||
}
|
||||
|
@ -597,7 +608,8 @@ LUA_API int lua_isyieldable (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
LUA_API int lua_yieldk (lua_State *L, int nresults, int ctx, lua_KFunction k) {
|
||||
LUA_API int lua_yieldk (lua_State *L, int nresults, lua_KContext ctx,
|
||||
lua_KFunction k) {
|
||||
CallInfo *ci = L->ci;
|
||||
luai_userstateyield(L, nresults);
|
||||
lua_lock(L);
|
||||
|
@ -611,7 +623,7 @@ LUA_API int lua_yieldk (lua_State *L, int nresults, int ctx, lua_KFunction k) {
|
|||
L->status = LUA_YIELD;
|
||||
ci->extra = savestack(L, ci->func); /* save current 'func' */
|
||||
if (isLua(ci)) { /* inside a hook? */
|
||||
api_check(L, k == NULL, "hooks cannot continue after yielding");
|
||||
api_check(k == NULL, "hooks cannot continue after yielding");
|
||||
}
|
||||
else {
|
||||
if ((ci->u.c.k = k) != NULL) /* is there a continuation? */
|
||||
|
@ -652,7 +664,7 @@ int luaD_pcall (lua_State *L, Pfunc func, void *u,
|
|||
/*
|
||||
** Execute a protected parser.
|
||||
*/
|
||||
struct SParser { /* data to `f_parser' */
|
||||
struct SParser { /* data to 'f_parser' */
|
||||
ZIO *z;
|
||||
Mbuffer buff; /* dynamic structure used by the scanner */
|
||||
Dyndata dyd; /* dynamic structures used by the parser */
|
||||
|
@ -664,7 +676,7 @@ struct SParser { /* data to `f_parser' */
|
|||
static void checkmode (lua_State *L, const char *mode, const char *x) {
|
||||
if (mode && strchr(mode, x[0]) == NULL) {
|
||||
luaO_pushfstring(L,
|
||||
"attempt to load a %s chunk (mode is " LUA_QS ")", x, mode);
|
||||
"attempt to load a %s chunk (mode is '%s')", x, mode);
|
||||
luaD_throw(L, LUA_ERRSYNTAX);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: ldo.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ldo.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: ldo.h,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Stack and Call structure of Lua
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -25,7 +23,7 @@
|
|||
#define restorestack(L,n) ((TValue *)((char *)L->stack + (n)))
|
||||
|
||||
|
||||
/* type of protected functions, to be ran by `runprotected' */
|
||||
/* type of protected functions, to be ran by 'runprotected' */
|
||||
typedef void (*Pfunc) (lua_State *L, void *ud);
|
||||
|
||||
LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name,
|
||||
|
|
|
@ -1,18 +1,21 @@
|
|||
/* $NetBSD: ldump.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: ldump.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ldump.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: ldump.c,v 2.34 2014/11/02 19:19:04 roberto Exp
|
||||
** save precompiled Lua chunks
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define ldump_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
|
||||
#define ldump_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lobject.h"
|
||||
|
@ -75,7 +78,7 @@ static void DumpString (const TString *s, DumpState *D) {
|
|||
if (s == NULL)
|
||||
DumpByte(0, D);
|
||||
else {
|
||||
size_t size = s->tsv.len + 1; /* include trailing '\0' */
|
||||
size_t size = s->len + 1; /* include trailing '\0' */
|
||||
if (size < 0xFF)
|
||||
DumpByte(cast_int(size), D);
|
||||
else {
|
||||
|
@ -118,7 +121,7 @@ static void DumpConstants (const Proto *f, DumpState *D) {
|
|||
break;
|
||||
case LUA_TSHRSTR:
|
||||
case LUA_TLNGSTR:
|
||||
DumpString(rawtsvalue(o), D);
|
||||
DumpString(tsvalue(o), D);
|
||||
break;
|
||||
default:
|
||||
lua_assert(0);
|
||||
|
|
|
@ -1,19 +1,21 @@
|
|||
/* $NetBSD: lfunc.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lfunc.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lfunc.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lfunc.c,v 2.45 2014/11/02 19:19:04 roberto Exp
|
||||
** Auxiliary functions to manipulate prototypes and closures
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lfunc_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
|
||||
#define lfunc_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lfunc.h"
|
||||
|
@ -86,7 +88,7 @@ void luaF_close (lua_State *L, StkId level) {
|
|||
UpVal *uv;
|
||||
while (L->openupval != NULL && (uv = L->openupval)->v >= level) {
|
||||
lua_assert(upisopen(uv));
|
||||
L->openupval = uv->u.open.next; /* remove from `open' list */
|
||||
L->openupval = uv->u.open.next; /* remove from 'open' list */
|
||||
if (uv->refcount == 0) /* no references? */
|
||||
luaM_free(L, uv); /* free upvalue */
|
||||
else {
|
||||
|
@ -136,7 +138,7 @@ void luaF_freeproto (lua_State *L, Proto *f) {
|
|||
|
||||
|
||||
/*
|
||||
** Look for n-th local variable at line `line' in function `func'.
|
||||
** Look for n-th local variable at line 'line' in function 'func'.
|
||||
** Returns NULL if not found.
|
||||
*/
|
||||
const char *luaF_getlocalname (const Proto *f, int local_number, int pc) {
|
||||
|
|
|
@ -1,18 +1,21 @@
|
|||
/* $NetBSD: lgc.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lgc.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lgc.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lgc.c,v 2.201 2014/12/20 13:58:15 roberto Exp
|
||||
** Garbage Collector
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lgc_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lgc_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "ldebug.h"
|
||||
|
@ -66,10 +69,10 @@
|
|||
*/
|
||||
#define maskcolors (~(bitmask(BLACKBIT) | WHITEBITS))
|
||||
#define makewhite(g,x) \
|
||||
(gch(x)->marked = cast_byte((gch(x)->marked & maskcolors) | luaC_white(g)))
|
||||
(x->marked = cast_byte((x->marked & maskcolors) | luaC_white(g)))
|
||||
|
||||
#define white2gray(x) resetbits(gch(x)->marked, WHITEBITS)
|
||||
#define black2gray(x) resetbit(gch(x)->marked, BLACKBIT)
|
||||
#define white2gray(x) resetbits(x->marked, WHITEBITS)
|
||||
#define black2gray(x) resetbit(x->marked, BLACKBIT)
|
||||
|
||||
|
||||
#define valiswhite(x) (iscollectable(x) && iswhite(gcvalue(x)))
|
||||
|
@ -85,7 +88,7 @@
|
|||
if (valiswhite(o)) reallymarkobject(g,gcvalue(o)); }
|
||||
|
||||
#define markobject(g,t) \
|
||||
{ if ((t) && iswhite(obj2gco(t))) reallymarkobject(g, obj2gco(t)); }
|
||||
{ if ((t) && iswhite(t)) reallymarkobject(g, obj2gco(t)); }
|
||||
|
||||
static void reallymarkobject (global_State *g, GCObject *o);
|
||||
|
||||
|
@ -104,9 +107,9 @@ static void reallymarkobject (global_State *g, GCObject *o);
|
|||
|
||||
|
||||
/*
|
||||
** link table 'h' into list pointed by 'p'
|
||||
** link collectable object 'o' into list pointed by 'p'
|
||||
*/
|
||||
#define linktable(h,p) ((h)->gclist = *(p), *(p) = obj2gco(h))
|
||||
#define linkgclist(o,p) ((o)->gclist = (p), (p) = obj2gco(o))
|
||||
|
||||
|
||||
/*
|
||||
|
@ -116,21 +119,21 @@ static void reallymarkobject (global_State *g, GCObject *o);
|
|||
static void removeentry (Node *n) {
|
||||
lua_assert(ttisnil(gval(n)));
|
||||
if (valiswhite(gkey(n)))
|
||||
setdeadvalue(gkey(n)); /* unused and unmarked key; remove it */
|
||||
setdeadvalue(wgkey(n)); /* unused and unmarked key; remove it */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** tells whether a key or value can be cleared from a weak
|
||||
** table. Non-collectable objects are never removed from weak
|
||||
** tables. Strings behave as `values', so are never removed too. for
|
||||
** tables. Strings behave as 'values', so are never removed too. for
|
||||
** other objects: if really collected, cannot keep them; for objects
|
||||
** being finalized, keep them in keys, but not in values
|
||||
*/
|
||||
static int iscleared (global_State *g, const TValue *o) {
|
||||
if (!iscollectable(o)) return 0;
|
||||
else if (ttisstring(o)) {
|
||||
markobject(g, rawtsvalue(o)); /* strings are `values', so are never weak */
|
||||
markobject(g, tsvalue(o)); /* strings are 'values', so are never weak */
|
||||
return 0;
|
||||
}
|
||||
else return iswhite(gcvalue(o));
|
||||
|
@ -139,13 +142,13 @@ static int iscleared (global_State *g, const TValue *o) {
|
|||
|
||||
/*
|
||||
** barrier that moves collector forward, that is, mark the white object
|
||||
** being pointed by a black object.
|
||||
** being pointed by a black object. (If in sweep phase, clear the black
|
||||
** object to white [sweep it] to avoid other barrier calls for this
|
||||
** same object.)
|
||||
*/
|
||||
void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v) {
|
||||
global_State *g = G(L);
|
||||
lua_assert(isblack(o) && iswhite(v) && !isdead(g, v) && !isdead(g, o));
|
||||
lua_assert(g->gcstate != GCSpause);
|
||||
lua_assert(gch(o)->tt != LUA_TTABLE); /* tables use a back barrier */
|
||||
if (keepinvariant(g)) /* must keep invariant? */
|
||||
reallymarkobject(g, v); /* restore invariant */
|
||||
else { /* sweep phase */
|
||||
|
@ -157,16 +160,13 @@ void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v) {
|
|||
|
||||
/*
|
||||
** barrier that moves collector backward, that is, mark the black object
|
||||
** pointing to a white object as gray again. (Current implementation
|
||||
** only works for tables; access to 'gclist' is not uniform across
|
||||
** different types.)
|
||||
** pointing to a white object as gray again.
|
||||
*/
|
||||
void luaC_barrierback_ (lua_State *L, GCObject *o) {
|
||||
void luaC_barrierback_ (lua_State *L, Table *t) {
|
||||
global_State *g = G(L);
|
||||
lua_assert(isblack(o) && !isdead(g, o) && gch(o)->tt == LUA_TTABLE);
|
||||
black2gray(o); /* make object gray (again) */
|
||||
gco2t(o)->gclist = g->grayagain;
|
||||
g->grayagain = o;
|
||||
lua_assert(isblack(t) && !isdead(g, t));
|
||||
black2gray(t); /* make table gray (again) */
|
||||
linkgclist(t, g->grayagain);
|
||||
}
|
||||
|
||||
|
||||
|
@ -189,8 +189,8 @@ void luaC_fix (lua_State *L, GCObject *o) {
|
|||
global_State *g = G(L);
|
||||
lua_assert(g->allgc == o); /* object must be 1st in 'allgc' list! */
|
||||
white2gray(o); /* they will be gray forever */
|
||||
g->allgc = o->gch.next; /* remove object from 'allgc' list */
|
||||
o->gch.next = g->fixedgc; /* link it to 'fixedgc' list */
|
||||
g->allgc = o->next; /* remove object from 'allgc' list */
|
||||
o->next = g->fixedgc; /* link it to 'fixedgc' list */
|
||||
g->fixedgc = o;
|
||||
}
|
||||
|
||||
|
@ -202,9 +202,9 @@ void luaC_fix (lua_State *L, GCObject *o) {
|
|||
GCObject *luaC_newobj (lua_State *L, int tt, size_t sz) {
|
||||
global_State *g = G(L);
|
||||
GCObject *o = cast(GCObject *, luaM_newobject(L, novariant(tt), sz));
|
||||
gch(o)->marked = luaC_white(g);
|
||||
gch(o)->tt = tt;
|
||||
gch(o)->next = g->allgc;
|
||||
o->marked = luaC_white(g);
|
||||
o->tt = tt;
|
||||
o->next = g->allgc;
|
||||
g->allgc = o;
|
||||
return o;
|
||||
}
|
||||
|
@ -229,7 +229,7 @@ GCObject *luaC_newobj (lua_State *L, int tt, size_t sz) {
|
|||
static void reallymarkobject (global_State *g, GCObject *o) {
|
||||
reentry:
|
||||
white2gray(o);
|
||||
switch (gch(o)->tt) {
|
||||
switch (o->tt) {
|
||||
case LUA_TSHRSTR:
|
||||
case LUA_TLNGSTR: {
|
||||
gray2black(o);
|
||||
|
@ -241,7 +241,7 @@ static void reallymarkobject (global_State *g, GCObject *o) {
|
|||
markobject(g, gco2u(o)->metatable); /* mark its metatable */
|
||||
gray2black(o);
|
||||
g->GCmemtrav += sizeudata(gco2u(o));
|
||||
getuservalue(g->mainthread, rawgco2u(o), &uvalue);
|
||||
getuservalue(g->mainthread, gco2u(o), &uvalue);
|
||||
if (valiswhite(&uvalue)) { /* markvalue(g, &uvalue); */
|
||||
o = gcvalue(&uvalue);
|
||||
goto reentry;
|
||||
|
@ -249,27 +249,23 @@ static void reallymarkobject (global_State *g, GCObject *o) {
|
|||
break;
|
||||
}
|
||||
case LUA_TLCL: {
|
||||
gco2lcl(o)->gclist = g->gray;
|
||||
g->gray = o;
|
||||
linkgclist(gco2lcl(o), g->gray);
|
||||
break;
|
||||
}
|
||||
case LUA_TCCL: {
|
||||
gco2ccl(o)->gclist = g->gray;
|
||||
g->gray = o;
|
||||
linkgclist(gco2ccl(o), g->gray);
|
||||
break;
|
||||
}
|
||||
case LUA_TTABLE: {
|
||||
linktable(gco2t(o), &g->gray);
|
||||
linkgclist(gco2t(o), g->gray);
|
||||
break;
|
||||
}
|
||||
case LUA_TTHREAD: {
|
||||
gco2th(o)->gclist = g->gray;
|
||||
g->gray = o;
|
||||
linkgclist(gco2th(o), g->gray);
|
||||
break;
|
||||
}
|
||||
case LUA_TPROTO: {
|
||||
gco2p(o)->gclist = g->gray;
|
||||
g->gray = o;
|
||||
linkgclist(gco2p(o), g->gray);
|
||||
break;
|
||||
}
|
||||
default: lua_assert(0); break;
|
||||
|
@ -292,7 +288,7 @@ static void markmt (global_State *g) {
|
|||
*/
|
||||
static void markbeingfnz (global_State *g) {
|
||||
GCObject *o;
|
||||
for (o = g->tobefnz; o != NULL; o = gch(o)->next)
|
||||
for (o = g->tobefnz; o != NULL; o = o->next)
|
||||
markobject(g, o);
|
||||
}
|
||||
|
||||
|
@ -307,8 +303,8 @@ static void remarkupvals (global_State *g) {
|
|||
lua_State *thread;
|
||||
lua_State **p = &g->twups;
|
||||
while ((thread = *p) != NULL) {
|
||||
lua_assert(!isblack(obj2gco(thread))); /* threads are never black */
|
||||
if (isgray(obj2gco(thread)) && thread->openupval != NULL)
|
||||
lua_assert(!isblack(thread)); /* threads are never black */
|
||||
if (isgray(thread) && thread->openupval != NULL)
|
||||
p = &thread->twups; /* keep marked thread with upvalues in the list */
|
||||
else { /* thread is not marked or without upvalues */
|
||||
UpVal *uv;
|
||||
|
@ -346,12 +342,18 @@ static void restartcollection (global_State *g) {
|
|||
** =======================================================
|
||||
*/
|
||||
|
||||
/*
|
||||
** Traverse a table with weak values and link it to proper list. During
|
||||
** propagate phase, keep it in 'grayagain' list, to be revisited in the
|
||||
** atomic phase. In the atomic phase, if table has any white value,
|
||||
** put it in 'weak' list, to be cleared.
|
||||
*/
|
||||
static void traverseweakvalue (global_State *g, Table *h) {
|
||||
Node *n, *limit = gnodelast(h);
|
||||
/* if there is array part, assume it may have white values (do not
|
||||
traverse it just to check) */
|
||||
/* if there is array part, assume it may have white values (it is not
|
||||
worth traversing it now just to check) */
|
||||
int hasclears = (h->sizearray > 0);
|
||||
for (n = gnode(h, 0); n < limit; n++) {
|
||||
for (n = gnode(h, 0); n < limit; n++) { /* traverse hash part */
|
||||
checkdeadkey(n);
|
||||
if (ttisnil(gval(n))) /* entry is empty? */
|
||||
removeentry(n); /* remove it */
|
||||
|
@ -362,20 +364,30 @@ static void traverseweakvalue (global_State *g, Table *h) {
|
|||
hasclears = 1; /* table will have to be cleared */
|
||||
}
|
||||
}
|
||||
if (hasclears)
|
||||
linktable(h, &g->weak); /* has to be cleared later */
|
||||
else /* no white values */
|
||||
linktable(h, &g->grayagain); /* no need to clean */
|
||||
if (g->gcstate == GCSpropagate)
|
||||
linkgclist(h, g->grayagain); /* must retraverse it in atomic phase */
|
||||
else if (hasclears)
|
||||
linkgclist(h, g->weak); /* has to be cleared later */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Traverse an ephemeron table and link it to proper list. Returns true
|
||||
** iff any object was marked during this traversal (which implies that
|
||||
** convergence has to continue). During propagation phase, keep table
|
||||
** in 'grayagain' list, to be visited again in the atomic phase. In
|
||||
** the atomic phase, if table has any white->white entry, it has to
|
||||
** be revisited during ephemeron convergence (as that key may turn
|
||||
** black). Otherwise, if it has any white key, table has to be cleared
|
||||
** (in the atomic phase).
|
||||
*/
|
||||
static int traverseephemeron (global_State *g, Table *h) {
|
||||
int marked = 0; /* true if an object is marked in this traversal */
|
||||
int hasclears = 0; /* true if table has white keys */
|
||||
int prop = 0; /* true if table has entry "white-key -> white-value" */
|
||||
int hasww = 0; /* true if table has entry "white-key -> white-value" */
|
||||
Node *n, *limit = gnodelast(h);
|
||||
int i;
|
||||
/* traverse array part (numeric keys are 'strong') */
|
||||
unsigned int i;
|
||||
/* traverse array part */
|
||||
for (i = 0; i < h->sizearray; i++) {
|
||||
if (valiswhite(&h->array[i])) {
|
||||
marked = 1;
|
||||
|
@ -390,26 +402,27 @@ static int traverseephemeron (global_State *g, Table *h) {
|
|||
else if (iscleared(g, gkey(n))) { /* key is not marked (yet)? */
|
||||
hasclears = 1; /* table must be cleared */
|
||||
if (valiswhite(gval(n))) /* value not marked yet? */
|
||||
prop = 1; /* must propagate again */
|
||||
hasww = 1; /* white-white entry */
|
||||
}
|
||||
else if (valiswhite(gval(n))) { /* value not marked yet? */
|
||||
marked = 1;
|
||||
reallymarkobject(g, gcvalue(gval(n))); /* mark it now */
|
||||
}
|
||||
}
|
||||
if (prop)
|
||||
linktable(h, &g->ephemeron); /* have to propagate again */
|
||||
else if (hasclears) /* does table have white keys? */
|
||||
linktable(h, &g->allweak); /* may have to clean white keys */
|
||||
else /* no white keys */
|
||||
linktable(h, &g->grayagain); /* no need to clean */
|
||||
/* link table into proper list */
|
||||
if (g->gcstate == GCSpropagate)
|
||||
linkgclist(h, g->grayagain); /* must retraverse it in atomic phase */
|
||||
else if (hasww) /* table has white->white entries? */
|
||||
linkgclist(h, g->ephemeron); /* have to propagate again */
|
||||
else if (hasclears) /* table has white keys? */
|
||||
linkgclist(h, g->allweak); /* may have to clean white keys */
|
||||
return marked;
|
||||
}
|
||||
|
||||
|
||||
static void traversestrongtable (global_State *g, Table *h) {
|
||||
Node *n, *limit = gnodelast(h);
|
||||
int i;
|
||||
unsigned int i;
|
||||
for (i = 0; i < h->sizearray; i++) /* traverse array part */
|
||||
markvalue(g, &h->array[i]);
|
||||
for (n = gnode(h, 0); n < limit; n++) { /* traverse hash part */
|
||||
|
@ -433,13 +446,13 @@ static lu_mem traversetable (global_State *g, Table *h) {
|
|||
((weakkey = strchr(svalue(mode), 'k')),
|
||||
(weakvalue = strchr(svalue(mode), 'v')),
|
||||
(weakkey || weakvalue))) { /* is really weak? */
|
||||
black2gray(obj2gco(h)); /* keep table gray */
|
||||
black2gray(h); /* keep table gray */
|
||||
if (!weakkey) /* strong keys? */
|
||||
traverseweakvalue(g, h);
|
||||
else if (!weakvalue) /* strong values? */
|
||||
traverseephemeron(g, h);
|
||||
else /* all weak */
|
||||
linktable(h, &g->allweak); /* nothing to traverse now */
|
||||
linkgclist(h, g->allweak); /* nothing to traverse now */
|
||||
}
|
||||
else /* not weak */
|
||||
traversestrongtable(g, h);
|
||||
|
@ -450,7 +463,7 @@ static lu_mem traversetable (global_State *g, Table *h) {
|
|||
|
||||
static int traverseproto (global_State *g, Proto *f) {
|
||||
int i;
|
||||
if (f->cache && iswhite(obj2gco(f->cache)))
|
||||
if (f->cache && iswhite(f->cache))
|
||||
f->cache = NULL; /* allow cache to be collected */
|
||||
markobject(g, f->source);
|
||||
for (i = 0; i < f->sizek; i++) /* mark literals */
|
||||
|
@ -532,7 +545,7 @@ static void propagatemark (global_State *g) {
|
|||
GCObject *o = g->gray;
|
||||
lua_assert(isgray(o));
|
||||
gray2black(o);
|
||||
switch (gch(o)->tt) {
|
||||
switch (o->tt) {
|
||||
case LUA_TTABLE: {
|
||||
Table *h = gco2t(o);
|
||||
g->gray = h->gclist; /* remove from 'gray' list */
|
||||
|
@ -554,8 +567,7 @@ static void propagatemark (global_State *g) {
|
|||
case LUA_TTHREAD: {
|
||||
lua_State *th = gco2th(o);
|
||||
g->gray = th->gclist; /* remove from 'gray' list */
|
||||
th->gclist = g->grayagain;
|
||||
g->grayagain = o; /* insert into 'grayagain' list */
|
||||
linkgclist(th, g->grayagain); /* insert into 'grayagain' list */
|
||||
black2gray(o);
|
||||
size = traversethread(g, th);
|
||||
break;
|
||||
|
@ -577,35 +589,12 @@ static void propagateall (global_State *g) {
|
|||
}
|
||||
|
||||
|
||||
static void propagatelist (global_State *g, GCObject *l) {
|
||||
lua_assert(g->gray == NULL); /* no grays left */
|
||||
g->gray = l;
|
||||
propagateall(g); /* traverse all elements from 'l' */
|
||||
}
|
||||
|
||||
/*
|
||||
** retraverse all gray lists. Because tables may be reinserted in other
|
||||
** lists when traversed, traverse the original lists to avoid traversing
|
||||
** twice the same table (which is not wrong, but inefficient)
|
||||
*/
|
||||
static void retraversegrays (global_State *g) {
|
||||
GCObject *weak = g->weak; /* save original lists */
|
||||
GCObject *grayagain = g->grayagain;
|
||||
GCObject *ephemeron = g->ephemeron;
|
||||
g->weak = g->grayagain = g->ephemeron = NULL;
|
||||
propagateall(g); /* traverse main gray list */
|
||||
propagatelist(g, grayagain);
|
||||
propagatelist(g, weak);
|
||||
propagatelist(g, ephemeron);
|
||||
}
|
||||
|
||||
|
||||
static void convergeephemerons (global_State *g) {
|
||||
int changed;
|
||||
do {
|
||||
GCObject *w;
|
||||
GCObject *next = g->ephemeron; /* get ephemeron list */
|
||||
g->ephemeron = NULL; /* tables will return to this list when traversed */
|
||||
g->ephemeron = NULL; /* tables may return to this list when traversed */
|
||||
changed = 0;
|
||||
while ((w = next) != NULL) {
|
||||
next = gco2t(w)->gclist;
|
||||
|
@ -653,7 +642,7 @@ static void clearvalues (global_State *g, GCObject *l, GCObject *f) {
|
|||
for (; l != f; l = gco2t(l)->gclist) {
|
||||
Table *h = gco2t(l);
|
||||
Node *n, *limit = gnodelast(h);
|
||||
int i;
|
||||
unsigned int i;
|
||||
for (i = 0; i < h->sizearray; i++) {
|
||||
TValue *o = &h->array[i];
|
||||
if (iscleared(g, o)) /* value was collected? */
|
||||
|
@ -689,7 +678,7 @@ static void freeLclosure (lua_State *L, LClosure *cl) {
|
|||
|
||||
|
||||
static void freeobj (lua_State *L, GCObject *o) {
|
||||
switch (gch(o)->tt) {
|
||||
switch (o->tt) {
|
||||
case LUA_TPROTO: luaF_freeproto(L, gco2p(o)); break;
|
||||
case LUA_TLCL: {
|
||||
freeLclosure(L, gco2lcl(o));
|
||||
|
@ -703,7 +692,7 @@ static void freeobj (lua_State *L, GCObject *o) {
|
|||
case LUA_TTHREAD: luaE_freethread(L, gco2th(o)); break;
|
||||
case LUA_TUSERDATA: luaM_freemem(L, o, sizeudata(gco2u(o))); break;
|
||||
case LUA_TSHRSTR:
|
||||
luaS_remove(L, rawgco2ts(o)); /* remove it from hash table */
|
||||
luaS_remove(L, gco2ts(o)); /* remove it from hash table */
|
||||
/* go through */
|
||||
case LUA_TLNGSTR: {
|
||||
luaM_freemem(L, o, sizestring(gco2ts(o)));
|
||||
|
@ -720,10 +709,10 @@ static GCObject **sweeplist (lua_State *L, GCObject **p, lu_mem count);
|
|||
|
||||
/*
|
||||
** sweep at most 'count' elements from a list of GCObjects erasing dead
|
||||
** objects, where a dead (not alive) object is one marked with the "old"
|
||||
** (non current) white and not fixed; change all non-dead objects back
|
||||
** to white, preparing for next collection cycle.
|
||||
** When object is a thread, sweep its list of open upvalues too.
|
||||
** objects, where a dead object is one marked with the old (non current)
|
||||
** white; change all non-dead objects back to white, preparing for next
|
||||
** collection cycle. Return where to continue the traversal or NULL if
|
||||
** list is finished.
|
||||
*/
|
||||
static GCObject **sweeplist (lua_State *L, GCObject **p, lu_mem count) {
|
||||
global_State *g = G(L);
|
||||
|
@ -731,14 +720,14 @@ static GCObject **sweeplist (lua_State *L, GCObject **p, lu_mem count) {
|
|||
int white = luaC_white(g); /* current white */
|
||||
while (*p != NULL && count-- > 0) {
|
||||
GCObject *curr = *p;
|
||||
int marked = gch(curr)->marked;
|
||||
int marked = curr->marked;
|
||||
if (isdeadm(ow, marked)) { /* is 'curr' dead? */
|
||||
*p = gch(curr)->next; /* remove 'curr' from list */
|
||||
*p = curr->next; /* remove 'curr' from list */
|
||||
freeobj(L, curr); /* erase 'curr' */
|
||||
}
|
||||
else { /* update marks */
|
||||
gch(curr)->marked = cast_byte((marked & maskcolors) | white);
|
||||
p = &gch(curr)->next; /* go to next element */
|
||||
else { /* change mark to 'white' */
|
||||
curr->marked = cast_byte((marked & maskcolors) | white);
|
||||
p = &curr->next; /* go to next element */
|
||||
}
|
||||
}
|
||||
return (*p == NULL) ? NULL : p;
|
||||
|
@ -785,10 +774,10 @@ static void checkSizes (lua_State *L, global_State *g) {
|
|||
static GCObject *udata2finalize (global_State *g) {
|
||||
GCObject *o = g->tobefnz; /* get first element */
|
||||
lua_assert(tofinalize(o));
|
||||
g->tobefnz = gch(o)->next; /* remove it from 'tobefnz' list */
|
||||
gch(o)->next = g->allgc; /* return it to 'allgc' list */
|
||||
g->tobefnz = o->next; /* remove it from 'tobefnz' list */
|
||||
o->next = g->allgc; /* return it to 'allgc' list */
|
||||
g->allgc = o;
|
||||
resetbit(gch(o)->marked, FINALIZEDBIT); /* object is "normal" again */
|
||||
resetbit(o->marked, FINALIZEDBIT); /* object is "normal" again */
|
||||
if (issweepphase(g))
|
||||
makewhite(g, o); /* "sweep" object */
|
||||
return o;
|
||||
|
@ -863,14 +852,14 @@ static void callallpendingfinalizers (lua_State *L, int propagateerrors) {
|
|||
*/
|
||||
static GCObject **findlast (GCObject **p) {
|
||||
while (*p != NULL)
|
||||
p = &gch(*p)->next;
|
||||
p = &(*p)->next;
|
||||
return p;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** move all unreachable objects (or 'all' objects) that need
|
||||
** finalization from list 'p' to list 'tobefnz' (to be finalized)
|
||||
** finalization from list 'finobj' to list 'tobefnz' (to be finalized)
|
||||
*/
|
||||
static void separatetobefnz (global_State *g, int all) {
|
||||
GCObject *curr;
|
||||
|
@ -879,12 +868,12 @@ static void separatetobefnz (global_State *g, int all) {
|
|||
while ((curr = *p) != NULL) { /* traverse all finalizable objects */
|
||||
lua_assert(tofinalize(curr));
|
||||
if (!(iswhite(curr) || all)) /* not being collected? */
|
||||
p = &gch(curr)->next; /* don't bother with it */
|
||||
p = &curr->next; /* don't bother with it */
|
||||
else {
|
||||
*p = gch(curr)->next; /* remove 'curr' from "fin" list */
|
||||
gch(curr)->next = *lastnext; /* link at the end of 'tobefnz' list */
|
||||
*p = curr->next; /* remove 'curr' from 'finobj' list */
|
||||
curr->next = *lastnext; /* link at the end of 'tobefnz' list */
|
||||
*lastnext = curr;
|
||||
lastnext = &gch(curr)->next;
|
||||
lastnext = &curr->next;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -903,15 +892,15 @@ void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt) {
|
|||
GCObject **p;
|
||||
if (issweepphase(g)) {
|
||||
makewhite(g, o); /* "sweep" object 'o' */
|
||||
if (g->sweepgc == &o->gch.next) /* shoud not remove 'sweepgc' object */
|
||||
if (g->sweepgc == &o->next) /* should not remove 'sweepgc' object */
|
||||
g->sweepgc = sweeptolive(L, g->sweepgc, NULL); /* change 'sweepgc' */
|
||||
}
|
||||
/* search for pointer pointing to 'o' */
|
||||
for (p = &g->allgc; *p != o; p = &gch(*p)->next) { /* empty */ }
|
||||
*p = o->gch.next; /* remove 'o' from 'allgc' list */
|
||||
o->gch.next = g->finobj; /* link it in "fin" list */
|
||||
for (p = &g->allgc; *p != o; p = &(*p)->next) { /* empty */ }
|
||||
*p = o->next; /* remove 'o' from 'allgc' list */
|
||||
o->next = g->finobj; /* link it in 'finobj' list */
|
||||
g->finobj = o;
|
||||
l_setbit(o->gch.marked, FINALIZEDBIT); /* mark it as such */
|
||||
l_setbit(o->marked, FINALIZEDBIT); /* mark it as such */
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -927,12 +916,15 @@ void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt) {
|
|||
|
||||
|
||||
/*
|
||||
** set a reasonable "time" to wait before starting a new GC cycle;
|
||||
** cycle will start when memory use hits threshold
|
||||
** Set a reasonable "time" to wait before starting a new GC cycle; cycle
|
||||
** will start when memory use hits threshold. (Division by 'estimate'
|
||||
** should be OK: it cannot be zero (because Lua cannot even start with
|
||||
** less than PAUSEADJ bytes).
|
||||
*/
|
||||
static void setpause (global_State *g) {
|
||||
l_mem threshold, debt;
|
||||
l_mem estimate = g->GCestimate / PAUSEADJ; /* adjust 'estimate' */
|
||||
lua_assert(estimate > 0);
|
||||
threshold = (g->gcpause < MAX_LMEM / estimate) /* overflow? */
|
||||
? estimate * g->gcpause /* no overflow */
|
||||
: MAX_LMEM; /* overflow; truncate to maximum */
|
||||
|
@ -978,19 +970,21 @@ static l_mem atomic (lua_State *L) {
|
|||
global_State *g = G(L);
|
||||
l_mem work;
|
||||
GCObject *origweak, *origall;
|
||||
g->GCmemtrav = 0; /* start counting work */
|
||||
lua_assert(!iswhite(obj2gco(g->mainthread)));
|
||||
GCObject *grayagain = g->grayagain; /* save original list */
|
||||
lua_assert(g->ephemeron == NULL && g->weak == NULL);
|
||||
lua_assert(!iswhite(g->mainthread));
|
||||
g->gcstate = GCSinsideatomic;
|
||||
g->GCmemtrav = 0; /* start counting work */
|
||||
markobject(g, L); /* mark running thread */
|
||||
/* registry and global metatables may be changed by API */
|
||||
markvalue(g, &g->l_registry);
|
||||
markmt(g); /* mark basic metatables */
|
||||
markmt(g); /* mark global metatables */
|
||||
/* remark occasional upvalues of (maybe) dead threads */
|
||||
remarkupvals(g);
|
||||
propagateall(g); /* propagate changes */
|
||||
work = g->GCmemtrav; /* stop counting (do not (re)count grays) */
|
||||
/* traverse objects caught by write barrier and by 'remarkupvals' */
|
||||
retraversegrays(g);
|
||||
work = g->GCmemtrav; /* stop counting (do not recount 'grayagain') */
|
||||
g->gray = grayagain;
|
||||
propagateall(g); /* traverse 'grayagain' list */
|
||||
g->GCmemtrav = 0; /* restart counting */
|
||||
convergeephemerons(g);
|
||||
/* at this point, all strongly accessible objects are marked. */
|
||||
|
@ -1008,7 +1002,7 @@ static l_mem atomic (lua_State *L) {
|
|||
/* at this point, all resurrected objects are marked. */
|
||||
/* remove dead objects from weak tables */
|
||||
clearkeys(g, g->ephemeron, NULL); /* clear keys from all ephemeron tables */
|
||||
clearkeys(g, g->allweak, NULL); /* clear keys from all allweak tables */
|
||||
clearkeys(g, g->allweak, NULL); /* clear keys from all 'allweak' tables */
|
||||
/* clear values from resurrected weak tables */
|
||||
clearvalues(g, g->weak, origweak);
|
||||
clearvalues(g, g->allweak, origall);
|
||||
|
@ -1047,7 +1041,7 @@ static lu_mem singlestep (lua_State *L) {
|
|||
g->GCmemtrav = 0;
|
||||
lua_assert(g->gray);
|
||||
propagatemark(g);
|
||||
if (g->gray == NULL) /* no more `gray' objects? */
|
||||
if (g->gray == NULL) /* no more gray objects? */
|
||||
g->gcstate = GCSatomic; /* finish propagate phase */
|
||||
return g->GCmemtrav; /* memory traversed in this step */
|
||||
}
|
||||
|
@ -1070,7 +1064,7 @@ static lu_mem singlestep (lua_State *L) {
|
|||
return sweepstep(L, g, GCSswpend, NULL);
|
||||
}
|
||||
case GCSswpend: { /* finish sweeps */
|
||||
makewhite(g, obj2gco(g->mainthread)); /* sweep main thread */
|
||||
makewhite(g, g->mainthread); /* sweep main thread */
|
||||
checkSizes(L, g);
|
||||
g->gcstate = GCScallfin;
|
||||
return 0;
|
||||
|
@ -1138,7 +1132,7 @@ void luaC_step (lua_State *L) {
|
|||
|
||||
|
||||
/*
|
||||
** Performs a full GC cycle; if "isemergency", set a flag to avoid
|
||||
** Performs a full GC cycle; if 'isemergency', set a flag to avoid
|
||||
** some operations which could change the interpreter state in some
|
||||
** unexpected ways (running finalizers and shrinking some structures).
|
||||
** Before running the collection, check 'keepinvariant'; if it is true,
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: lgc.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lgc.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: lgc.h,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Garbage Collector
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -76,7 +74,7 @@
|
|||
#define testbit(x,b) testbits(x, bitmask(b))
|
||||
|
||||
|
||||
/* Layout for bit use in `marked' field: */
|
||||
/* Layout for bit use in 'marked' field: */
|
||||
#define WHITE0BIT 0 /* object is white (type 0) */
|
||||
#define WHITE1BIT 1 /* object is white (type 1) */
|
||||
#define BLACKBIT 2 /* object is black */
|
||||
|
@ -86,19 +84,19 @@
|
|||
#define WHITEBITS bit2mask(WHITE0BIT, WHITE1BIT)
|
||||
|
||||
|
||||
#define iswhite(x) testbits((x)->gch.marked, WHITEBITS)
|
||||
#define isblack(x) testbit((x)->gch.marked, BLACKBIT)
|
||||
#define iswhite(x) testbits((x)->marked, WHITEBITS)
|
||||
#define isblack(x) testbit((x)->marked, BLACKBIT)
|
||||
#define isgray(x) /* neither white nor black */ \
|
||||
(!testbits((x)->gch.marked, WHITEBITS | bitmask(BLACKBIT)))
|
||||
(!testbits((x)->marked, WHITEBITS | bitmask(BLACKBIT)))
|
||||
|
||||
#define tofinalize(x) testbit((x)->gch.marked, FINALIZEDBIT)
|
||||
#define tofinalize(x) testbit((x)->marked, FINALIZEDBIT)
|
||||
|
||||
#define otherwhite(g) ((g)->currentwhite ^ WHITEBITS)
|
||||
#define isdeadm(ow,m) (!(((m) ^ WHITEBITS) & (ow)))
|
||||
#define isdead(g,v) isdeadm(otherwhite(g), (v)->gch.marked)
|
||||
#define isdead(g,v) isdeadm(otherwhite(g), (v)->marked)
|
||||
|
||||
#define changewhite(x) ((x)->gch.marked ^= WHITEBITS)
|
||||
#define gray2black(x) l_setbit((x)->gch.marked, BLACKBIT)
|
||||
#define changewhite(x) ((x)->marked ^= WHITEBITS)
|
||||
#define gray2black(x) l_setbit((x)->marked, BLACKBIT)
|
||||
|
||||
#define luaC_white(g) cast(lu_byte, (g)->currentwhite & WHITEBITS)
|
||||
|
||||
|
@ -109,15 +107,15 @@
|
|||
|
||||
|
||||
#define luaC_barrier(L,p,v) { \
|
||||
if (iscollectable(v) && isblack(obj2gco(p)) && iswhite(gcvalue(v))) \
|
||||
if (iscollectable(v) && isblack(p) && iswhite(gcvalue(v))) \
|
||||
luaC_barrier_(L,obj2gco(p),gcvalue(v)); }
|
||||
|
||||
#define luaC_barrierback(L,p,v) { \
|
||||
if (iscollectable(v) && isblack(obj2gco(p)) && iswhite(gcvalue(v))) \
|
||||
luaC_barrierback_(L,obj2gco(p)); }
|
||||
if (iscollectable(v) && isblack(p) && iswhite(gcvalue(v))) \
|
||||
luaC_barrierback_(L,p); }
|
||||
|
||||
#define luaC_objbarrier(L,p,o) { \
|
||||
if (isblack(obj2gco(p)) && iswhite(obj2gco(o))) \
|
||||
if (isblack(p) && iswhite(o)) \
|
||||
luaC_barrier_(L,obj2gco(p),obj2gco(o)); }
|
||||
|
||||
#define luaC_upvalbarrier(L,uv) \
|
||||
|
@ -131,7 +129,7 @@ LUAI_FUNC void luaC_runtilstate (lua_State *L, int statesmask);
|
|||
LUAI_FUNC void luaC_fullgc (lua_State *L, int isemergency);
|
||||
LUAI_FUNC GCObject *luaC_newobj (lua_State *L, int tt, size_t sz);
|
||||
LUAI_FUNC void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v);
|
||||
LUAI_FUNC void luaC_barrierback_ (lua_State *L, GCObject *o);
|
||||
LUAI_FUNC void luaC_barrierback_ (lua_State *L, Table *o);
|
||||
LUAI_FUNC void luaC_upvalbarrier_ (lua_State *L, UpVal *uv);
|
||||
LUAI_FUNC void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt);
|
||||
LUAI_FUNC void luaC_upvdeccount (lua_State *L, UpVal *uv);
|
||||
|
|
|
@ -1,22 +1,37 @@
|
|||
/* $NetBSD: linit.c,v 1.3 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: linit.c,v 1.4 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: linit.c,v 1.3 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: linit.c,v 1.38 2015/01/05 13:48:33 roberto Exp
|
||||
** Initialization of libraries for lua.c and other clients
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
|
||||
#define linit_c
|
||||
#define LUA_LIB
|
||||
|
||||
/*
|
||||
** If you embed Lua in your program and need to open the standard
|
||||
** libraries, call luaL_openlibs in your program. If you need a
|
||||
** different set of libraries, copy this file to your project and edit
|
||||
** it to suit your needs.
|
||||
**
|
||||
** You can also *preload* libraries, so that a later 'require' can
|
||||
** open the library, which is already linked to the application.
|
||||
** For that, do the following code:
|
||||
**
|
||||
** luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD");
|
||||
** lua_pushcfunction(L, luaopen_modname);
|
||||
** lua_setfield(L, -2, modname);
|
||||
** lua_pop(L, 1); // remove _PRELOAD table
|
||||
*/
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
#define linit_c
|
||||
#define LUA_LIB
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
|
@ -43,8 +58,8 @@ static const luaL_Reg loadedlibs[] = {
|
|||
#ifndef _KERNEL
|
||||
{LUA_MATHLIBNAME, luaopen_math},
|
||||
#endif
|
||||
{LUA_DBLIBNAME, luaopen_debug},
|
||||
{LUA_UTF8LIBNAME, luaopen_utf8},
|
||||
{LUA_DBLIBNAME, luaopen_debug},
|
||||
#if defined(LUA_COMPAT_BITLIB)
|
||||
{LUA_BITLIBNAME, luaopen_bit32},
|
||||
#endif
|
||||
|
@ -52,27 +67,12 @@ static const luaL_Reg loadedlibs[] = {
|
|||
};
|
||||
|
||||
|
||||
/*
|
||||
** these libs are preloaded and must be required before used
|
||||
*/
|
||||
static const luaL_Reg preloadedlibs[] = {
|
||||
{NULL, NULL}
|
||||
};
|
||||
|
||||
|
||||
LUALIB_API void luaL_openlibs (lua_State *L) {
|
||||
const luaL_Reg *lib;
|
||||
/* call open functions from 'loadedlibs' and set results to global table */
|
||||
/* "require" functions from 'loadedlibs' and set results to global table */
|
||||
for (lib = loadedlibs; lib->func; lib++) {
|
||||
luaL_requiref(L, lib->name, lib->func, 1);
|
||||
lua_pop(L, 1); /* remove lib */
|
||||
}
|
||||
/* add open functions from 'preloadedlibs' into 'package.preload' table */
|
||||
luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD");
|
||||
for (lib = preloadedlibs; lib->func; lib++) {
|
||||
lua_pushcfunction(L, lib->func);
|
||||
lua_setfield(L, -2, lib->name);
|
||||
}
|
||||
lua_pop(L, 1); /* remove _PRELOAD table */
|
||||
}
|
||||
|
||||
|
|
|
@ -1,20 +1,13 @@
|
|||
/* $NetBSD: liolib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: liolib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: liolib.c,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Standard I/O (and system) library
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define liolib_c
|
||||
#define LUA_LIB
|
||||
|
||||
/*
|
||||
** This definition must come before the inclusion of 'stdio.h'; it
|
||||
** should not affect non-POSIX systems
|
||||
*/
|
||||
#if !defined(_FILE_OFFSET_BITS)
|
||||
#define _LARGEFILE_SOURCE 1
|
||||
#define _FILE_OFFSET_BITS 64
|
||||
#endif
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#include <ctype.h>
|
||||
|
@ -24,9 +17,6 @@
|
|||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#define liolib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
|
@ -62,17 +52,17 @@
|
|||
#define l_popen(L,c,m) (fflush(NULL), popen(c,m))
|
||||
#define l_pclose(L,file) (pclose(file))
|
||||
|
||||
#elif defined(LUA_WIN) /* }{ */
|
||||
#elif defined(LUA_USE_WINDOWS) /* }{ */
|
||||
|
||||
#define l_popen(L,c,m) (_popen(c,m))
|
||||
#define l_pclose(L,file) (_pclose(file))
|
||||
|
||||
#else /* }{ */
|
||||
|
||||
/* ANSI definitions */
|
||||
/* ISO C definitions */
|
||||
#define l_popen(L,c,m) \
|
||||
((void)((void)c, m), \
|
||||
luaL_error(L, LUA_QL("popen") " not supported"), \
|
||||
luaL_error(L, "'popen' not supported"), \
|
||||
(FILE*)0)
|
||||
#define l_pclose(L,file) ((void)L, (void)file, -1)
|
||||
|
||||
|
@ -114,7 +104,7 @@
|
|||
#define l_ftell(f) ftello(f)
|
||||
#define l_seeknum off_t
|
||||
|
||||
#elif defined(LUA_WIN) && !defined(_CRTIMP_TYPEINFO) \
|
||||
#elif defined(LUA_USE_WINDOWS) && !defined(_CRTIMP_TYPEINFO) \
|
||||
&& defined(_MSC_VER) && (_MSC_VER >= 1400) /* }{ */
|
||||
|
||||
/* Windows (but not DDK) and Visual C++ 2005 or higher */
|
||||
|
@ -124,7 +114,7 @@
|
|||
|
||||
#else /* }{ */
|
||||
|
||||
/* ANSI definitions */
|
||||
/* ISO C definitions */
|
||||
#define l_fseek(f,o,w) fseek(f,o,w)
|
||||
#define l_ftell(f) ftell(f)
|
||||
#define l_seeknum long
|
||||
|
@ -137,6 +127,7 @@
|
|||
|
||||
|
||||
#define IO_PREFIX "_IO_"
|
||||
#define IOPREF_LEN (sizeof(IO_PREFIX)/sizeof(char) - 1)
|
||||
#define IO_INPUT (IO_PREFIX "input")
|
||||
#define IO_OUTPUT (IO_PREFIX "output")
|
||||
|
||||
|
@ -183,7 +174,7 @@ static FILE *tofile (lua_State *L) {
|
|||
|
||||
|
||||
/*
|
||||
** When creating file handles, always creates a `closed' file handle
|
||||
** When creating file handles, always creates a 'closed' file handle
|
||||
** before opening the actual file; so, if there is a memory error, the
|
||||
** file is not left opened.
|
||||
*/
|
||||
|
@ -195,9 +186,14 @@ static LStream *newprefile (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
** Calls the 'close' function from a file handle. The 'volatile' avoids
|
||||
** a bug in some versions of the Clang compiler (e.g., clang 3.0 for
|
||||
** 32 bits).
|
||||
*/
|
||||
static int aux_close (lua_State *L) {
|
||||
LStream *p = tolstream(L);
|
||||
lua_CFunction cf = p->closef;
|
||||
volatile lua_CFunction cf = p->closef;
|
||||
p->closef = NULL; /* mark stream as closed */
|
||||
return (*cf)(L); /* close it */
|
||||
}
|
||||
|
@ -241,7 +237,7 @@ static void opencheck (lua_State *L, const char *fname, const char *mode) {
|
|||
LStream *p = newfile(L);
|
||||
p->f = fopen(fname, mode);
|
||||
if (p->f == NULL)
|
||||
luaL_error(L, "cannot open file " LUA_QS " (%s)", fname, strerror(errno));
|
||||
luaL_error(L, "cannot open file '%s' (%s)", fname, strerror(errno));
|
||||
}
|
||||
|
||||
|
||||
|
@ -287,7 +283,7 @@ static FILE *getiofile (lua_State *L, const char *findex) {
|
|||
lua_getfield(L, LUA_REGISTRYINDEX, findex);
|
||||
p = (LStream *)lua_touserdata(L, -1);
|
||||
if (isclosed(p))
|
||||
luaL_error(L, "standard %s file is closed", findex + strlen(IO_PREFIX));
|
||||
luaL_error(L, "standard %s file is closed", findex + IOPREF_LEN);
|
||||
return p->f;
|
||||
}
|
||||
|
||||
|
@ -404,52 +400,52 @@ static int test2 (RN *rn, const char *set) {
|
|||
|
||||
|
||||
/*
|
||||
** Read a sequence of (hexa)digits
|
||||
** Read a sequence of (hex)digits
|
||||
*/
|
||||
static int readdigits (RN *rn, int hexa) {
|
||||
static int readdigits (RN *rn, int hex) {
|
||||
int count = 0;
|
||||
while ((hexa ? isxdigit(rn->c) : isdigit(rn->c)) && nextc(rn))
|
||||
while ((hex ? isxdigit(rn->c) : isdigit(rn->c)) && nextc(rn))
|
||||
count++;
|
||||
return count;
|
||||
}
|
||||
|
||||
|
||||
/* access to locale "radix character" (decimal point) */
|
||||
#if !defined(getlocaledecpoint)
|
||||
#define getlocaledecpoint() (localeconv()->decimal_point[0])
|
||||
#if !defined(l_getlocaledecpoint)
|
||||
#define l_getlocaledecpoint() (localeconv()->decimal_point[0])
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
** Read a number: first reads a valid prefix of a numeral into a buffer.
|
||||
** Then it calls 'lua_strtonum' to check whether the format is correct
|
||||
** and to convert it to a Lua number
|
||||
** Then it calls 'lua_stringtonumber' to check whether the format is
|
||||
** correct and to convert it to a Lua number
|
||||
*/
|
||||
static int read_number (lua_State *L, FILE *f) {
|
||||
RN rn;
|
||||
int count = 0;
|
||||
int hexa = 0;
|
||||
int hex = 0;
|
||||
char decp[2] = ".";
|
||||
rn.f = f; rn.n = 0;
|
||||
decp[0] = getlocaledecpoint(); /* get decimal point from locale */
|
||||
decp[0] = l_getlocaledecpoint(); /* get decimal point from locale */
|
||||
l_lockfile(rn.f);
|
||||
do { rn.c = l_getc(rn.f); } while (isspace(rn.c)); /* skip spaces */
|
||||
test2(&rn, "-+"); /* optional signal */
|
||||
if (test2(&rn, "0")) {
|
||||
if (test2(&rn, "xX")) hexa = 1; /* numeral is hexadecimal */
|
||||
if (test2(&rn, "xX")) hex = 1; /* numeral is hexadecimal */
|
||||
else count = 1; /* count initial '0' as a valid digit */
|
||||
}
|
||||
count += readdigits(&rn, hexa); /* integral part */
|
||||
count += readdigits(&rn, hex); /* integral part */
|
||||
if (test2(&rn, decp)) /* decimal point? */
|
||||
count += readdigits(&rn, hexa); /* fractionary part */
|
||||
if (count > 0 && test2(&rn, (hexa ? "pP" : "eE"))) { /* exponent mark? */
|
||||
count += readdigits(&rn, hex); /* fractional part */
|
||||
if (count > 0 && test2(&rn, (hex ? "pP" : "eE"))) { /* exponent mark? */
|
||||
test2(&rn, "-+"); /* exponent signal */
|
||||
readdigits(&rn, 0); /* exponent digits */
|
||||
}
|
||||
ungetc(rn.c, rn.f); /* unread look-ahead char */
|
||||
l_unlockfile(rn.f);
|
||||
rn.buff[rn.n] = '\0'; /* finish string */
|
||||
if (lua_strtonum(L, rn.buff)) /* is this a valid number? */
|
||||
if (lua_stringtonumber(L, rn.buff)) /* is this a valid number? */
|
||||
return 1; /* ok */
|
||||
else { /* invalid format */
|
||||
lua_pushnil(L); /* "result" to be removed */
|
||||
|
@ -468,14 +464,21 @@ static int test_eof (lua_State *L, FILE *f) {
|
|||
|
||||
static int read_line (lua_State *L, FILE *f, int chop) {
|
||||
luaL_Buffer b;
|
||||
int c;
|
||||
int c = '\0';
|
||||
luaL_buffinit(L, &b);
|
||||
l_lockfile(f);
|
||||
while ((c = l_getc(f)) != EOF && c != '\n')
|
||||
luaL_addchar(&b, c);
|
||||
l_unlockfile(f);
|
||||
if (!chop && c == '\n') luaL_addchar(&b, c);
|
||||
while (c != EOF && c != '\n') { /* repeat until end of line */
|
||||
char *buff = luaL_prepbuffer(&b); /* pre-allocate buffer */
|
||||
int i = 0;
|
||||
l_lockfile(f); /* no memory errors can happen inside the lock */
|
||||
while (i < LUAL_BUFFERSIZE && (c = l_getc(f)) != EOF && c != '\n')
|
||||
buff[i++] = c;
|
||||
l_unlockfile(f);
|
||||
luaL_addsize(&b, i);
|
||||
}
|
||||
if (!chop && c == '\n') /* want a newline and have one? */
|
||||
luaL_addchar(&b, c); /* add ending newline to result */
|
||||
luaL_pushresult(&b); /* close buffer */
|
||||
/* return ok if read something (either a newline or something else) */
|
||||
return (c == '\n' || lua_rawlen(L, -1) > 0);
|
||||
}
|
||||
|
||||
|
@ -520,7 +523,7 @@ static int g_read (lua_State *L, FILE *f, int first) {
|
|||
success = 1;
|
||||
for (n = first; nargs-- && success; n++) {
|
||||
if (lua_type(L, n) == LUA_TNUMBER) {
|
||||
size_t l = (size_t)lua_tointeger(L, n);
|
||||
size_t l = (size_t)luaL_checkinteger(L, n);
|
||||
success = (l == 0) ? test_eof(L, f) : read_chars(L, f, l);
|
||||
}
|
||||
else {
|
||||
|
@ -578,7 +581,7 @@ static int io_readline (lua_State *L) {
|
|||
lua_pushvalue(L, lua_upvalueindex(3 + i));
|
||||
n = g_read(L, p->f, 2); /* 'n' is number of results */
|
||||
lua_assert(n > 0); /* should return at least a nil */
|
||||
if (!lua_isnil(L, -n)) /* read at least one value? */
|
||||
if (lua_toboolean(L, -n)) /* read at least one value? */
|
||||
return n; /* return them */
|
||||
else { /* first result is nil: EOF or error */
|
||||
if (n > 1) { /* is there error information? */
|
||||
|
@ -656,7 +659,7 @@ static int f_setvbuf (lua_State *L) {
|
|||
FILE *f = tofile(L);
|
||||
int op = luaL_checkoption(L, 2, NULL, modenames);
|
||||
lua_Integer sz = luaL_optinteger(L, 3, LUAL_BUFFERSIZE);
|
||||
int res = setvbuf(f, NULL, mode[op], sz);
|
||||
int res = setvbuf(f, NULL, mode[op], (size_t)sz);
|
||||
return luaL_fileresult(L, res == 0, NULL);
|
||||
}
|
||||
|
||||
|
|
|
@ -1,20 +1,22 @@
|
|||
/* $NetBSD: llex.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: llex.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: llex.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: llex.c,v 2.89 2014/11/14 16:06:09 roberto Exp
|
||||
** Lexical Analyzer
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define llex_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <locale.h>
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define llex_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lctype.h"
|
||||
|
@ -45,7 +47,7 @@ static const char *const luaX_tokens [] = {
|
|||
"return", "then", "true", "until", "while",
|
||||
"//", "..", "...", "==", ">=", "<=", "~=",
|
||||
"<<", ">>", "::", "<eof>",
|
||||
"<number>", "<number>", "<name>", "<string>"
|
||||
"<number>", "<integer>", "<name>", "<string>"
|
||||
};
|
||||
|
||||
|
||||
|
@ -75,21 +77,20 @@ void luaX_init (lua_State *L) {
|
|||
for (i=0; i<NUM_RESERVED; i++) {
|
||||
TString *ts = luaS_new(L, luaX_tokens[i]);
|
||||
luaC_fix(L, obj2gco(ts)); /* reserved words are never collected */
|
||||
ts->tsv.extra = cast_byte(i+1); /* reserved word */
|
||||
ts->extra = cast_byte(i+1); /* reserved word */
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
const char *luaX_token2str (LexState *ls, int token) {
|
||||
if (token < FIRST_RESERVED) { /* single-byte symbols? */
|
||||
lua_assert(token == cast(unsigned char, token));
|
||||
return (lisprint(token)) ? luaO_pushfstring(ls->L, LUA_QL("%c"), token) :
|
||||
luaO_pushfstring(ls->L, "char(%d)", token);
|
||||
lua_assert(token == cast_uchar(token));
|
||||
return luaO_pushfstring(ls->L, "'%c'", token);
|
||||
}
|
||||
else {
|
||||
const char *s = luaX_tokens[token - FIRST_RESERVED];
|
||||
if (token < TK_EOS) /* fixed format (symbols and reserved words)? */
|
||||
return luaO_pushfstring(ls->L, LUA_QS, s);
|
||||
return luaO_pushfstring(ls->L, "'%s'", s);
|
||||
else /* names, strings, and numerals */
|
||||
return s;
|
||||
}
|
||||
|
@ -105,7 +106,7 @@ static const char *txtToken (LexState *ls, int token) {
|
|||
case TK_INT:
|
||||
#endif
|
||||
save(ls, '\0');
|
||||
return luaO_pushfstring(ls->L, LUA_QS, luaZ_buffer(ls->buff));
|
||||
return luaO_pushfstring(ls->L, "'%s'", luaZ_buffer(ls->buff));
|
||||
default:
|
||||
return luaX_token2str(ls, token);
|
||||
}
|
||||
|
@ -134,7 +135,7 @@ l_noret luaX_syntaxerror (LexState *ls, const char *msg) {
|
|||
*/
|
||||
TString *luaX_newstring (LexState *ls, const char *str, size_t l) {
|
||||
lua_State *L = ls->L;
|
||||
TValue *o; /* entry for `str' */
|
||||
TValue *o; /* entry for 'str' */
|
||||
TString *ts = luaS_newlstr(L, str, l); /* create new string */
|
||||
setsvalue2s(L, L->top++, ts); /* temporarily anchor it in stack */
|
||||
o = luaH_set(L, ls->h, L->top - 1);
|
||||
|
@ -145,7 +146,7 @@ TString *luaX_newstring (LexState *ls, const char *str, size_t l) {
|
|||
luaC_checkGC(L);
|
||||
}
|
||||
else { /* string already present */
|
||||
ts = rawtsvalue(keyfromval(o)); /* re-use value previously stored */
|
||||
ts = tsvalue(keyfromval(o)); /* re-use value previously stored */
|
||||
}
|
||||
L->top--; /* remove string from stack */
|
||||
return ts;
|
||||
|
@ -159,16 +160,17 @@ TString *luaX_newstring (LexState *ls, const char *str, size_t l) {
|
|||
static void inclinenumber (LexState *ls) {
|
||||
int old = ls->current;
|
||||
lua_assert(currIsNewline(ls));
|
||||
next(ls); /* skip `\n' or `\r' */
|
||||
next(ls); /* skip '\n' or '\r' */
|
||||
if (currIsNewline(ls) && ls->current != old)
|
||||
next(ls); /* skip `\n\r' or `\r\n' */
|
||||
next(ls); /* skip '\n\r' or '\r\n' */
|
||||
if (++ls->linenumber >= MAX_INT)
|
||||
luaX_syntaxerror(ls, "chunk has too many lines");
|
||||
lexerror(ls, "chunk has too many lines", 0);
|
||||
}
|
||||
|
||||
|
||||
void luaX_setinput (lua_State *L, LexState *ls, ZIO *z, TString *source,
|
||||
int firstchar) {
|
||||
ls->t.token = 0;
|
||||
ls->decpoint = '.';
|
||||
ls->L = L;
|
||||
ls->current = firstchar;
|
||||
|
@ -228,8 +230,8 @@ static void buffreplace (LexState *ls, char from, char to) {
|
|||
}
|
||||
|
||||
|
||||
#if !defined(getlocaledecpoint)
|
||||
#define getlocaledecpoint() (localeconv()->decimal_point[0])
|
||||
#if !defined(l_getlocaledecpoint)
|
||||
#define l_getlocaledecpoint() (localeconv()->decimal_point[0])
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
@ -243,7 +245,7 @@ static void buffreplace (LexState *ls, char from, char to) {
|
|||
*/
|
||||
static void trydecpoint (LexState *ls, TValue *o) {
|
||||
char old = ls->decpoint;
|
||||
ls->decpoint = getlocaledecpoint();
|
||||
ls->decpoint = l_getlocaledecpoint();
|
||||
buffreplace(ls, old, ls->decpoint); /* try new decimal separator */
|
||||
if (!buff2num(ls->buff, o)) {
|
||||
/* format error with correct decimal point: no more options */
|
||||
|
@ -329,7 +331,7 @@ static int skip_sep (LexState *ls) {
|
|||
|
||||
static void read_long_string (LexState *ls, SemInfo *seminfo, int sep) {
|
||||
int line = ls->linenumber; /* initial line (for error message) */
|
||||
save_and_next(ls); /* skip 2nd `[' */
|
||||
save_and_next(ls); /* skip 2nd '[' */
|
||||
if (currIsNewline(ls)) /* string starts with a newline? */
|
||||
inclinenumber(ls); /* skip it */
|
||||
for (;;) {
|
||||
|
@ -343,7 +345,7 @@ static void read_long_string (LexState *ls, SemInfo *seminfo, int sep) {
|
|||
}
|
||||
case ']': {
|
||||
if (skip_sep(ls) == sep) {
|
||||
save_and_next(ls); /* skip 2nd `]' */
|
||||
save_and_next(ls); /* skip 2nd ']' */
|
||||
goto endloop;
|
||||
}
|
||||
break;
|
||||
|
@ -390,8 +392,8 @@ static int readhexaesc (LexState *ls) {
|
|||
}
|
||||
|
||||
|
||||
static unsigned int readutf8esc (LexState *ls) {
|
||||
unsigned int r;
|
||||
static unsigned long readutf8esc (LexState *ls) {
|
||||
unsigned long r;
|
||||
int i = 4; /* chars to be removed: '\', 'u', '{', and first digit */
|
||||
save_and_next(ls); /* skip 'u' */
|
||||
esccheck(ls, ls->current == '{', "missing '{'");
|
||||
|
@ -469,7 +471,7 @@ static void read_string (LexState *ls, int del, SemInfo *seminfo) {
|
|||
}
|
||||
default: {
|
||||
esccheck(ls, lisdigit(ls->current), "invalid escape sequence");
|
||||
c = readdecesc(ls); /* digital escape \ddd */
|
||||
c = readdecesc(ls); /* digital escape '\ddd' */
|
||||
goto only_save;
|
||||
}
|
||||
}
|
||||
|
@ -511,7 +513,7 @@ static int llex (LexState *ls, SemInfo *seminfo) {
|
|||
next(ls);
|
||||
if (ls->current == '[') { /* long comment? */
|
||||
int sep = skip_sep(ls);
|
||||
luaZ_resetbuffer(ls->buff); /* `skip_sep' may dirty the buffer */
|
||||
luaZ_resetbuffer(ls->buff); /* 'skip_sep' may dirty the buffer */
|
||||
if (sep >= 0) {
|
||||
read_long_string(ls, NULL, sep); /* skip long comment */
|
||||
luaZ_resetbuffer(ls->buff); /* previous call may dirty the buff. */
|
||||
|
@ -578,7 +580,7 @@ static int llex (LexState *ls, SemInfo *seminfo) {
|
|||
#ifndef _KERNEL
|
||||
else if (!lisdigit(ls->current)) return '.';
|
||||
else return read_numeral(ls, seminfo);
|
||||
#else
|
||||
#else /* _KERNEL */
|
||||
else return '.';
|
||||
#endif
|
||||
}
|
||||
|
@ -599,7 +601,7 @@ static int llex (LexState *ls, SemInfo *seminfo) {
|
|||
luaZ_bufflen(ls->buff));
|
||||
seminfo->ts = ts;
|
||||
if (isreserved(ts)) /* reserved word? */
|
||||
return ts->tsv.extra - 1 + FIRST_RESERVED;
|
||||
return ts->extra - 1 + FIRST_RESERVED;
|
||||
else {
|
||||
return TK_NAME;
|
||||
}
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: llex.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: llex.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: llex.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: llex.h,v 1.78 2014/10/29 15:38:24 roberto Exp
|
||||
** Lexical Analyzer
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -16,6 +16,10 @@
|
|||
#define FIRST_RESERVED 257
|
||||
|
||||
|
||||
#if !defined(LUA_ENV)
|
||||
#define LUA_ENV "_ENV"
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
* WARNING: if you change the order of this enumeration,
|
||||
|
@ -33,7 +37,7 @@ enum RESERVED {
|
|||
TK_DBCOLON, TK_EOS,
|
||||
#ifndef _KERNEL
|
||||
TK_FLT, TK_INT, TK_NAME, TK_STRING
|
||||
#else
|
||||
#else /* _KERNEL */
|
||||
TK_INT, TK_NAME, TK_STRING
|
||||
#endif
|
||||
};
|
||||
|
@ -60,7 +64,7 @@ typedef struct Token {
|
|||
typedef struct LexState {
|
||||
int current; /* current character (charint) */
|
||||
int linenumber; /* input line counter */
|
||||
int lastline; /* line of last token `consumed' */
|
||||
int lastline; /* line of last token 'consumed' */
|
||||
Token t; /* current token */
|
||||
Token lookahead; /* look ahead token */
|
||||
struct FuncState *fs; /* current function (parser) */
|
||||
|
|
|
@ -1,8 +1,8 @@
|
|||
/* $NetBSD: llimits.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: llimits.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: llimits.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Limits, basic types, and some other `installation-dependent' definitions
|
||||
** Id: llimits.h,v 1.125 2014/12/19 13:30:23 roberto Exp
|
||||
** Limits, basic types, and some other 'installation-dependent' definitions
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
|
@ -18,50 +18,59 @@
|
|||
|
||||
#include "lua.h"
|
||||
|
||||
|
||||
typedef unsigned LUA_INT32 lu_int32;
|
||||
|
||||
/*
|
||||
** 'lu_mem' and 'l_mem' are unsigned/signed integers big enough to count
|
||||
** the total memory used by Lua (in bytes). Usually, 'size_t' and
|
||||
** 'ptrdiff_t' should work, but we use 'long' for 16-bit machines.
|
||||
*/
|
||||
#if defined(LUAI_MEM) /* { external definitions? */
|
||||
typedef LUAI_UMEM lu_mem;
|
||||
|
||||
typedef LUAI_MEM l_mem;
|
||||
#elif LUAI_BITSINT >= 32 /* }{ */
|
||||
typedef size_t lu_mem;
|
||||
typedef ptrdiff_t l_mem;
|
||||
#else /* 16-bit ints */ /* }{ */
|
||||
typedef unsigned long lu_mem;
|
||||
typedef long l_mem;
|
||||
#endif /* } */
|
||||
|
||||
|
||||
|
||||
/* chars used as small naturals (so that `char' is reserved for characters) */
|
||||
/* chars used as small naturals (so that 'char' is reserved for characters) */
|
||||
typedef unsigned char lu_byte;
|
||||
|
||||
|
||||
/* maximum value for size_t */
|
||||
#define MAX_SIZET ((size_t)(~(size_t)0)-2)
|
||||
#define MAX_SIZET ((size_t)(~(size_t)0))
|
||||
|
||||
/* maximum size visible for Lua (must be representable in a lua_Integer */
|
||||
#define MAX_SIZE (sizeof(size_t) < sizeof(lua_Integer) ? MAX_SIZET \
|
||||
: (size_t)(LUA_MAXINTEGER)-2)
|
||||
: (size_t)(LUA_MAXINTEGER))
|
||||
|
||||
|
||||
#define MAX_LUMEM ((lu_mem)(~(lu_mem)0)-2)
|
||||
#define MAX_LUMEM ((lu_mem)(~(lu_mem)0))
|
||||
|
||||
#define MAX_LMEM ((l_mem) ((MAX_LUMEM >> 1) - 2))
|
||||
#define MAX_LMEM ((l_mem)(MAX_LUMEM >> 1))
|
||||
|
||||
|
||||
#define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */
|
||||
#define MAX_INT INT_MAX /* maximum value of an int */
|
||||
|
||||
|
||||
/*
|
||||
** conversion of pointer to integer
|
||||
** conversion of pointer to integer:
|
||||
** this is for hashing only; there is no problem if the integer
|
||||
** cannot hold the whole pointer value
|
||||
*/
|
||||
#define IntPoint(p) ((unsigned int)(lu_mem)(p))
|
||||
#define point2int(p) ((unsigned int)((size_t)(p) & UINT_MAX))
|
||||
|
||||
|
||||
|
||||
/* type to ensure maximum alignment */
|
||||
#if !defined(LUAI_USER_ALIGNMENT_T)
|
||||
#define LUAI_USER_ALIGNMENT_T union { double u; void *s; long l; }
|
||||
#if defined(LUAI_USER_ALIGNMENT_T)
|
||||
typedef LUAI_USER_ALIGNMENT_T L_Umaxalign;
|
||||
#else
|
||||
typedef union { double u; void *s; lua_Integer i; long l; } L_Umaxalign;
|
||||
#endif
|
||||
|
||||
typedef LUAI_USER_ALIGNMENT_T L_Umaxalign;
|
||||
|
||||
|
||||
/* types of 'usual argument conversions' for lua_Number and lua_Integer */
|
||||
|
@ -83,18 +92,15 @@ typedef LUAI_UACINT l_uacInt;
|
|||
/*
|
||||
** assertion for checking API calls
|
||||
*/
|
||||
#if !defined(luai_apicheck)
|
||||
|
||||
#if defined(LUA_USE_APICHECK)
|
||||
#include <assert.h>
|
||||
#define luai_apicheck(L,e) assert(e)
|
||||
#define luai_apicheck(e) assert(e)
|
||||
#else
|
||||
#define luai_apicheck(L,e) lua_assert(e)
|
||||
#define luai_apicheck(e) lua_assert(e)
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#define api_check(l,e,msg) luai_apicheck(l,(e) && msg)
|
||||
#define api_check(e,msg) luai_apicheck((e) && msg)
|
||||
|
||||
|
||||
#if !defined(UNUSED)
|
||||
|
@ -118,7 +124,7 @@ typedef LUAI_UACINT l_uacInt;
|
|||
|
||||
/*
|
||||
** cast a lua_Unsigned to a signed lua_Integer; this cast is
|
||||
** not strict ANSI C, but two-complement architectures should
|
||||
** not strict ISO C, but two-complement architectures should
|
||||
** work fine.
|
||||
*/
|
||||
#if !defined(l_castU2S)
|
||||
|
@ -131,7 +137,7 @@ typedef LUAI_UACINT l_uacInt;
|
|||
*/
|
||||
#if defined(__GNUC__)
|
||||
#define l_noret void __attribute__((noreturn))
|
||||
#elif defined(_MSC_VER)
|
||||
#elif defined(_MSC_VER) && _MSC_VER >= 1200
|
||||
#define l_noret void __declspec(noreturn)
|
||||
#else
|
||||
#define l_noret void
|
||||
|
@ -155,17 +161,17 @@ typedef LUAI_UACINT l_uacInt;
|
|||
|
||||
|
||||
/*
|
||||
** type for virtual-machine instructions
|
||||
** type for virtual-machine instructions;
|
||||
** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h)
|
||||
*/
|
||||
typedef lu_int32 Instruction;
|
||||
#if LUAI_BITSINT >= 32
|
||||
typedef unsigned int Instruction;
|
||||
#else
|
||||
typedef unsigned long Instruction;
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/* maximum stack for a Lua function */
|
||||
#define MAXSTACK 250
|
||||
|
||||
|
||||
|
||||
/* minimum size for the string table (must be power of 2) */
|
||||
#if !defined(MINSTRTABSIZE)
|
||||
|
@ -180,12 +186,12 @@ typedef lu_int32 Instruction;
|
|||
|
||||
|
||||
#if !defined(lua_lock)
|
||||
#define lua_lock(L) ((void) 0)
|
||||
#define lua_unlock(L) ((void) 0)
|
||||
#define lua_lock(L) ((void) 0)
|
||||
#define lua_unlock(L) ((void) 0)
|
||||
#endif
|
||||
|
||||
#if !defined(luai_threadyield)
|
||||
#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);}
|
||||
#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);}
|
||||
#endif
|
||||
|
||||
|
||||
|
@ -211,11 +217,11 @@ typedef lu_int32 Instruction;
|
|||
#endif
|
||||
|
||||
#if !defined(luai_userstateresume)
|
||||
#define luai_userstateresume(L,n) ((void)L)
|
||||
#define luai_userstateresume(L,n) ((void)L)
|
||||
#endif
|
||||
|
||||
#if !defined(luai_userstateyield)
|
||||
#define luai_userstateyield(L,n) ((void)L)
|
||||
#define luai_userstateyield(L,n) ((void)L)
|
||||
#endif
|
||||
|
||||
|
||||
|
|
|
@ -1,18 +1,18 @@
|
|||
/* $NetBSD: lmathlib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lmathlib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: lmathlib.c,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Standard mathematical library
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lmathlib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#define lmathlib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
|
@ -27,9 +27,11 @@
|
|||
#if defined(LUA_USE_POSIX)
|
||||
#define l_rand() random()
|
||||
#define l_srand(x) srandom(x)
|
||||
#define L_RANDMAX 2147483647 /* (2^31 - 1), following POSIX */
|
||||
#else
|
||||
#define l_rand() rand()
|
||||
#define l_srand(x) srand(x)
|
||||
#define L_RANDMAX RAND_MAX
|
||||
#endif
|
||||
#endif /* } */
|
||||
|
||||
|
@ -78,39 +80,39 @@ static int math_atan (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
static int math_ifloor (lua_State *L) {
|
||||
static int math_toint (lua_State *L) {
|
||||
int valid;
|
||||
lua_Integer n = lua_tointegerx(L, 1, &valid);
|
||||
if (valid)
|
||||
lua_pushinteger(L, n); /* floor computed by Lua */
|
||||
lua_pushinteger(L, n);
|
||||
else {
|
||||
luaL_checktype(L, 1, LUA_TNUMBER); /* argument must be a number */
|
||||
lua_pushnil(L); /* number is not convertible to integer */
|
||||
luaL_checkany(L, 1);
|
||||
lua_pushnil(L); /* value is not convertible to integer */
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static int math_floor (lua_State *L) {
|
||||
int valid;
|
||||
lua_Integer n = lua_tointegerx(L, 1, &valid);
|
||||
if (valid)
|
||||
lua_pushinteger(L, n); /* floor computed by Lua */
|
||||
else
|
||||
lua_pushnumber(L, l_mathop(floor)(luaL_checknumber(L, 1)));
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static void pushnumint (lua_State *L, lua_Number d) {
|
||||
lua_Integer n;
|
||||
if (lua_numtointeger(d, &n)) /* fits in an integer? */
|
||||
if (lua_numbertointeger(d, &n)) /* does 'd' fit in an integer? */
|
||||
lua_pushinteger(L, n); /* result is integer */
|
||||
else
|
||||
lua_pushnumber(L, d); /* result is float */
|
||||
}
|
||||
|
||||
|
||||
static int math_floor (lua_State *L) {
|
||||
if (lua_isinteger(L, 1))
|
||||
lua_settop(L, 1); /* integer is its own floor */
|
||||
else {
|
||||
lua_Number d = l_mathop(floor)(luaL_checknumber(L, 1));
|
||||
pushnumint(L, d);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static int math_ceil (lua_State *L) {
|
||||
if (lua_isinteger(L, 1))
|
||||
lua_settop(L, 1); /* integer is its own ceil */
|
||||
|
@ -147,15 +149,15 @@ static int math_fmod (lua_State *L) {
|
|||
static int math_modf (lua_State *L) {
|
||||
if (lua_isinteger(L ,1)) {
|
||||
lua_settop(L, 1); /* number is its own integer part */
|
||||
lua_pushnumber(L, 0); /* no fractionary part */
|
||||
lua_pushnumber(L, 0); /* no fractional part */
|
||||
}
|
||||
else {
|
||||
lua_Number n = luaL_checknumber(L, 1);
|
||||
/* integer part (rounds toward zero) */
|
||||
lua_Number ip = (n < 0) ? l_mathop(ceil)(n) : l_mathop(floor)(n);
|
||||
pushnumint(L, ip);
|
||||
/* fractionary part (test needed for inf/-inf) */
|
||||
lua_pushnumber(L, (n == ip) ? 0.0 : (n - ip));
|
||||
/* fractional part (test needed for inf/-inf) */
|
||||
lua_pushnumber(L, (n == ip) ? l_mathop(0.0) : (n - ip));
|
||||
}
|
||||
return 2;
|
||||
}
|
||||
|
@ -166,6 +168,14 @@ static int math_sqrt (lua_State *L) {
|
|||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static int math_ult (lua_State *L) {
|
||||
lua_Integer a = luaL_checkinteger(L, 1);
|
||||
lua_Integer b = luaL_checkinteger(L, 2);
|
||||
lua_pushboolean(L, (lua_Unsigned)a < (lua_Unsigned)b);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int math_log (lua_State *L) {
|
||||
lua_Number x = luaL_checknumber(L, 1);
|
||||
lua_Number res;
|
||||
|
@ -186,12 +196,12 @@ static int math_exp (lua_State *L) {
|
|||
}
|
||||
|
||||
static int math_deg (lua_State *L) {
|
||||
lua_pushnumber(L, luaL_checknumber(L, 1) * (180.0 / PI));
|
||||
lua_pushnumber(L, luaL_checknumber(L, 1) * (l_mathop(180.0) / PI));
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int math_rad (lua_State *L) {
|
||||
lua_pushnumber(L, luaL_checknumber(L, 1) * (PI / 180.0));
|
||||
lua_pushnumber(L, luaL_checknumber(L, 1) * (PI / l_mathop(180.0)));
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
@ -225,15 +235,15 @@ static int math_max (lua_State *L) {
|
|||
|
||||
/*
|
||||
** This function uses 'double' (instead of 'lua_Number') to ensure that
|
||||
** all bits from 'l_rand' can be represented, and that 'RAND_MAX + 1.0'
|
||||
** all bits from 'l_rand' can be represented, and that 'RANDMAX + 1.0'
|
||||
** will keep full precision (ensuring that 'r' is always less than 1.0.)
|
||||
*/
|
||||
static int math_random (lua_State *L) {
|
||||
lua_Integer low, up;
|
||||
double r = (double)l_rand() * (1.0 / ((double)RAND_MAX + 1.0));
|
||||
double r = (double)l_rand() * (1.0 / ((double)L_RANDMAX + 1.0));
|
||||
switch (lua_gettop(L)) { /* check number of arguments */
|
||||
case 0: { /* no arguments */
|
||||
lua_pushnumber(L, r); /* Number between 0 and 1 */
|
||||
lua_pushnumber(L, (lua_Number)r); /* Number between 0 and 1 */
|
||||
return 1;
|
||||
}
|
||||
case 1: { /* only upper limit */
|
||||
|
@ -250,8 +260,8 @@ static int math_random (lua_State *L) {
|
|||
}
|
||||
/* random integer in the interval [low, up] */
|
||||
luaL_argcheck(L, low <= up, 1, "interval is empty");
|
||||
luaL_argcheck(L, (lua_Unsigned)up - low <= (lua_Unsigned)LUA_MAXINTEGER,
|
||||
1, "interval too large");
|
||||
luaL_argcheck(L, low >= 0 || up <= LUA_MAXINTEGER + low, 1,
|
||||
"interval too large");
|
||||
r *= (double)(up - low) + 1.0;
|
||||
lua_pushinteger(L, (lua_Integer)r + low);
|
||||
return 1;
|
||||
|
@ -259,22 +269,23 @@ static int math_random (lua_State *L) {
|
|||
|
||||
|
||||
static int math_randomseed (lua_State *L) {
|
||||
l_srand((unsigned int)luaL_checkunsigned(L, 1));
|
||||
l_srand((unsigned int)(lua_Integer)luaL_checknumber(L, 1));
|
||||
(void)rand(); /* discard first value to avoid undesirable correlations */
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int math_type (lua_State *L) {
|
||||
luaL_checkany(L, 1);
|
||||
if (lua_type(L, 1) == LUA_TNUMBER) {
|
||||
if (lua_isinteger(L, 1))
|
||||
lua_pushliteral(L, "integer");
|
||||
else
|
||||
lua_pushliteral(L, "float");
|
||||
}
|
||||
else
|
||||
else {
|
||||
luaL_checkany(L, 1);
|
||||
lua_pushnil(L);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
@ -317,7 +328,7 @@ static int math_frexp (lua_State *L) {
|
|||
|
||||
static int math_ldexp (lua_State *L) {
|
||||
lua_Number x = luaL_checknumber(L, 1);
|
||||
int ep = luaL_checkint(L, 2);
|
||||
int ep = (int)luaL_checkinteger(L, 2);
|
||||
lua_pushnumber(L, l_mathop(ldexp)(x, ep));
|
||||
return 1;
|
||||
}
|
||||
|
@ -341,9 +352,10 @@ static const luaL_Reg mathlib[] = {
|
|||
{"cos", math_cos},
|
||||
{"deg", math_deg},
|
||||
{"exp", math_exp},
|
||||
{"ifloor", math_ifloor},
|
||||
{"tointeger", math_toint},
|
||||
{"floor", math_floor},
|
||||
{"fmod", math_fmod},
|
||||
{"ult", math_ult},
|
||||
{"log", math_log},
|
||||
{"max", math_max},
|
||||
{"min", math_min},
|
||||
|
@ -365,6 +377,11 @@ static const luaL_Reg mathlib[] = {
|
|||
{"ldexp", math_ldexp},
|
||||
{"log10", math_log10},
|
||||
#endif
|
||||
/* placeholders */
|
||||
{"pi", NULL},
|
||||
{"huge", NULL},
|
||||
{"maxinteger", NULL},
|
||||
{"mininteger", NULL},
|
||||
{NULL, NULL}
|
||||
};
|
||||
|
||||
|
@ -376,7 +393,7 @@ LUAMOD_API int luaopen_math (lua_State *L) {
|
|||
luaL_newlib(L, mathlib);
|
||||
lua_pushnumber(L, PI);
|
||||
lua_setfield(L, -2, "pi");
|
||||
lua_pushnumber(L, HUGE_VAL);
|
||||
lua_pushnumber(L, (lua_Number)HUGE_VAL);
|
||||
lua_setfield(L, -2, "huge");
|
||||
lua_pushinteger(L, LUA_MAXINTEGER);
|
||||
lua_setfield(L, -2, "maxinteger");
|
||||
|
|
|
@ -1,19 +1,21 @@
|
|||
/* $NetBSD: lmem.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lmem.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lmem.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lmem.c,v 1.89 2014/11/02 19:33:33 roberto Exp
|
||||
** Interface to Memory Manager
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lmem_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
|
||||
#define lmem_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "ldebug.h"
|
||||
|
@ -28,15 +30,15 @@
|
|||
/*
|
||||
** About the realloc function:
|
||||
** void * frealloc (void *ud, void *ptr, size_t osize, size_t nsize);
|
||||
** (`osize' is the old size, `nsize' is the new size)
|
||||
** ('osize' is the old size, 'nsize' is the new size)
|
||||
**
|
||||
** * frealloc(ud, NULL, x, s) creates a new block of size `s' (no
|
||||
** * frealloc(ud, NULL, x, s) creates a new block of size 's' (no
|
||||
** matter 'x').
|
||||
**
|
||||
** * frealloc(ud, p, x, 0) frees the block `p'
|
||||
** * frealloc(ud, p, x, 0) frees the block 'p'
|
||||
** (in this specific case, frealloc must return NULL);
|
||||
** particularly, frealloc(ud, NULL, 0, 0) does nothing
|
||||
** (which is equivalent to free(NULL) in ANSI C)
|
||||
** (which is equivalent to free(NULL) in ISO C)
|
||||
**
|
||||
** frealloc returns NULL if it cannot create or reallocate the area
|
||||
** (any reallocation to an equal or smaller size cannot fail!)
|
||||
|
@ -87,12 +89,10 @@ void *luaM_realloc_ (lua_State *L, void *block, size_t osize, size_t nsize) {
|
|||
#endif
|
||||
newblock = (*g->frealloc)(g->ud, block, osize, nsize);
|
||||
if (newblock == NULL && nsize > 0) {
|
||||
api_check(L, nsize > realosize,
|
||||
api_check( nsize > realosize,
|
||||
"realloc cannot fail when shrinking a block");
|
||||
if (g->gcrunning) {
|
||||
luaC_fullgc(L, 1); /* try to free some memory... */
|
||||
newblock = (*g->frealloc)(g->ud, block, osize, nsize); /* try again */
|
||||
}
|
||||
luaC_fullgc(L, 1); /* try to free some memory... */
|
||||
newblock = (*g->frealloc)(g->ud, block, osize, nsize); /* try again */
|
||||
if (newblock == NULL)
|
||||
luaD_throw(L, LUA_ERRMEM);
|
||||
}
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: lmem.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lmem.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lmem.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lmem.h,v 1.43 2014/12/19 17:26:14 roberto Exp
|
||||
** Interface to Memory Manager
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -19,20 +19,32 @@
|
|||
|
||||
|
||||
/*
|
||||
** This macro avoids the runtime division MAX_SIZET/(e), as 'e' is
|
||||
** always constant.
|
||||
** The macro is somewhat complex to avoid warnings:
|
||||
** +1 avoids warnings of "comparison has constant result";
|
||||
** cast to 'void' avoids warnings of "value unused".
|
||||
** This macro reallocs a vector 'b' from 'on' to 'n' elements, where
|
||||
** each element has size 'e'. In case of arithmetic overflow of the
|
||||
** product 'n'*'e', it raises an error (calling 'luaM_toobig'). Because
|
||||
** 'e' is always constant, it avoids the runtime division MAX_SIZET/(e).
|
||||
**
|
||||
** (The macro is somewhat complex to avoid warnings: The 'sizeof'
|
||||
** comparison avoids a runtime comparison when overflow cannot occur.
|
||||
** The compiler should be able to optimize the real test by itself, but
|
||||
** when it does it, it may give a warning about "comparison is always
|
||||
** false due to limited range of data type"; the +1 tricks the compiler,
|
||||
** avoiding this warning but also this optimization.)
|
||||
*/
|
||||
#define luaM_reallocv(L,b,on,n,e) \
|
||||
(cast(void, \
|
||||
(cast(size_t, (n)+1) > MAX_SIZET/(e)) ? (luaM_toobig(L), 0) : 0), \
|
||||
(((sizeof(n) >= sizeof(size_t) && cast(size_t, (n)) + 1 > MAX_SIZET/(e)) \
|
||||
? luaM_toobig(L) : cast_void(0)) , \
|
||||
luaM_realloc_(L, (b), (on)*(e), (n)*(e)))
|
||||
|
||||
/*
|
||||
** Arrays of chars do not need any test
|
||||
*/
|
||||
#define luaM_reallocvchar(L,b,on,n) \
|
||||
cast(char *, luaM_realloc_(L, (b), (on)*sizeof(char), (n)*sizeof(char)))
|
||||
|
||||
#define luaM_freemem(L, b, s) luaM_realloc_(L, (b), (s), 0)
|
||||
#define luaM_free(L, b) luaM_realloc_(L, (b), sizeof(*(b)), 0)
|
||||
#define luaM_freearray(L, b, n) luaM_reallocv(L, (b), n, 0, sizeof((b)[0]))
|
||||
#define luaM_freearray(L, b, n) luaM_realloc_(L, (b), (n)*sizeof(*(b)), 0)
|
||||
|
||||
#define luaM_malloc(L,s) luaM_realloc_(L, NULL, 0, (s))
|
||||
#define luaM_new(L,t) cast(t *, luaM_malloc(L, sizeof(t)))
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: loadlib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: loadlib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: loadlib.c,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Dynamic library loader for Lua
|
||||
** See Copyright Notice in lua.h
|
||||
**
|
||||
|
@ -10,22 +8,15 @@
|
|||
** systems.
|
||||
*/
|
||||
|
||||
#define loadlib_c
|
||||
#define LUA_LIB
|
||||
|
||||
/*
|
||||
** if needed, includes windows header before everything else
|
||||
*/
|
||||
#if defined(_WIN32)
|
||||
#include <windows.h>
|
||||
#endif
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
|
||||
#define loadlib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
|
@ -94,29 +85,45 @@
|
|||
#define LUA_OFSEP "_"
|
||||
|
||||
|
||||
/* table (in the registry) that keeps handles for all loaded C libraries */
|
||||
#define CLIBS "_CLIBS"
|
||||
/*
|
||||
** unique key for table in the registry that keeps handles
|
||||
** for all loaded C libraries
|
||||
*/
|
||||
static const int CLIBS = 0;
|
||||
|
||||
#define LIB_FAIL "open"
|
||||
|
||||
|
||||
/* error codes for ll_loadfunc */
|
||||
#define ERRLIB 1
|
||||
#define ERRFUNC 2
|
||||
|
||||
#define setprogdir(L) ((void)0)
|
||||
|
||||
|
||||
/*
|
||||
** system-dependent functions
|
||||
*/
|
||||
static void ll_unloadlib (void *lib);
|
||||
static void *ll_load (lua_State *L, const char *path, int seeglb);
|
||||
static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym);
|
||||
|
||||
/*
|
||||
** unload library 'lib'
|
||||
*/
|
||||
static void lsys_unloadlib (void *lib);
|
||||
|
||||
/*
|
||||
** load C library in file 'path'. If 'seeglb', load with all names in
|
||||
** the library global.
|
||||
** Returns the library; in case of error, returns NULL plus an
|
||||
** error string in the stack.
|
||||
*/
|
||||
static void *lsys_load (lua_State *L, const char *path, int seeglb);
|
||||
|
||||
/*
|
||||
** Try to find a function named 'sym' in library 'lib'.
|
||||
** Returns the function; in case of error, returns NULL plus an
|
||||
** error string in the stack.
|
||||
*/
|
||||
static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym);
|
||||
|
||||
|
||||
|
||||
#if defined(LUA_USE_DLOPEN)
|
||||
|
||||
#if defined(LUA_USE_DLOPEN) /* { */
|
||||
/*
|
||||
** {========================================================================
|
||||
** This is an implementation of loadlib based on the dlfcn interface.
|
||||
|
@ -128,20 +135,32 @@ static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym);
|
|||
|
||||
#include <dlfcn.h>
|
||||
|
||||
static void ll_unloadlib (void *lib) {
|
||||
/*
|
||||
** Macro to covert pointer to void* to pointer to function. This cast
|
||||
** is undefined according to ISO C, but POSIX assumes that it must work.
|
||||
** (The '__extension__' in gnu compilers is only to avoid warnings.)
|
||||
*/
|
||||
#if defined(__GNUC__)
|
||||
#define cast_func(p) (__extension__ (lua_CFunction)(p))
|
||||
#else
|
||||
#define cast_func(p) ((lua_CFunction)(p))
|
||||
#endif
|
||||
|
||||
|
||||
static void lsys_unloadlib (void *lib) {
|
||||
dlclose(lib);
|
||||
}
|
||||
|
||||
|
||||
static void *ll_load (lua_State *L, const char *path, int seeglb) {
|
||||
static void *lsys_load (lua_State *L, const char *path, int seeglb) {
|
||||
void *lib = dlopen(path, RTLD_NOW | (seeglb ? RTLD_GLOBAL : RTLD_LOCAL));
|
||||
if (lib == NULL) lua_pushstring(L, dlerror());
|
||||
return lib;
|
||||
}
|
||||
|
||||
|
||||
static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
|
||||
lua_CFunction f = (lua_CFunction)dlsym(lib, sym);
|
||||
static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym) {
|
||||
lua_CFunction f = cast_func(dlsym(lib, sym));
|
||||
if (f == NULL) lua_pushstring(L, dlerror());
|
||||
return f;
|
||||
}
|
||||
|
@ -150,13 +169,15 @@ static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
|
|||
|
||||
|
||||
|
||||
#elif defined(LUA_DL_DLL)
|
||||
#elif defined(LUA_DL_DLL) /* }{ */
|
||||
/*
|
||||
** {======================================================================
|
||||
** This is an implementation of loadlib for Windows using native functions.
|
||||
** =======================================================================
|
||||
*/
|
||||
|
||||
#include <windows.h>
|
||||
|
||||
#undef setprogdir
|
||||
|
||||
/*
|
||||
|
@ -192,12 +213,12 @@ static void pusherror (lua_State *L) {
|
|||
lua_pushfstring(L, "system error %d\n", error);
|
||||
}
|
||||
|
||||
static void ll_unloadlib (void *lib) {
|
||||
static void lsys_unloadlib (void *lib) {
|
||||
FreeLibrary((HMODULE)lib);
|
||||
}
|
||||
|
||||
|
||||
static void *ll_load (lua_State *L, const char *path, int seeglb) {
|
||||
static void *lsys_load (lua_State *L, const char *path, int seeglb) {
|
||||
HMODULE lib = LoadLibraryExA(path, NULL, LUA_LLE_FLAGS);
|
||||
(void)(seeglb); /* not used: symbols are 'global' by default */
|
||||
if (lib == NULL) pusherror(L);
|
||||
|
@ -205,7 +226,7 @@ static void *ll_load (lua_State *L, const char *path, int seeglb) {
|
|||
}
|
||||
|
||||
|
||||
static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
|
||||
static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym) {
|
||||
lua_CFunction f = (lua_CFunction)GetProcAddress((HMODULE)lib, sym);
|
||||
if (f == NULL) pusherror(L);
|
||||
return f;
|
||||
|
@ -214,7 +235,7 @@ static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
|
|||
/* }====================================================== */
|
||||
|
||||
|
||||
#else
|
||||
#else /* }{ */
|
||||
/*
|
||||
** {======================================================
|
||||
** Fallback for other systems
|
||||
|
@ -228,31 +249,34 @@ static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
|
|||
#define DLMSG "dynamic libraries not enabled; check your Lua installation"
|
||||
|
||||
|
||||
static void ll_unloadlib (void *lib) {
|
||||
static void lsys_unloadlib (void *lib) {
|
||||
(void)(lib); /* not used */
|
||||
}
|
||||
|
||||
|
||||
static void *ll_load (lua_State *L, const char *path, int seeglb) {
|
||||
static void *lsys_load (lua_State *L, const char *path, int seeglb) {
|
||||
(void)(path); (void)(seeglb); /* not used */
|
||||
lua_pushliteral(L, DLMSG);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
|
||||
static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym) {
|
||||
(void)(lib); (void)(sym); /* not used */
|
||||
lua_pushliteral(L, DLMSG);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* }====================================================== */
|
||||
#endif
|
||||
#endif /* } */
|
||||
|
||||
|
||||
static void *ll_checkclib (lua_State *L, const char *path) {
|
||||
/*
|
||||
** return registry.CLIBS[path]
|
||||
*/
|
||||
static void *checkclib (lua_State *L, const char *path) {
|
||||
void *plib;
|
||||
lua_getfield(L, LUA_REGISTRYINDEX, CLIBS);
|
||||
lua_rawgetp(L, LUA_REGISTRYINDEX, &CLIBS);
|
||||
lua_getfield(L, -1, path);
|
||||
plib = lua_touserdata(L, -1); /* plib = CLIBS[path] */
|
||||
lua_pop(L, 2); /* pop CLIBS table and 'plib' */
|
||||
|
@ -260,8 +284,12 @@ static void *ll_checkclib (lua_State *L, const char *path) {
|
|||
}
|
||||
|
||||
|
||||
static void ll_addtoclib (lua_State *L, const char *path, void *plib) {
|
||||
lua_getfield(L, LUA_REGISTRYINDEX, CLIBS);
|
||||
/*
|
||||
** registry.CLIBS[path] = plib -- for queries
|
||||
** registry.CLIBS[#CLIBS + 1] = plib -- also keep a list of all libraries
|
||||
*/
|
||||
static void addtoclib (lua_State *L, const char *path, void *plib) {
|
||||
lua_rawgetp(L, LUA_REGISTRYINDEX, &CLIBS);
|
||||
lua_pushlightuserdata(L, plib);
|
||||
lua_pushvalue(L, -1);
|
||||
lua_setfield(L, -3, path); /* CLIBS[path] = plib */
|
||||
|
@ -271,33 +299,49 @@ static void ll_addtoclib (lua_State *L, const char *path, void *plib) {
|
|||
|
||||
|
||||
/*
|
||||
** __gc tag method for CLIBS table: calls 'll_unloadlib' for all lib
|
||||
** __gc tag method for CLIBS table: calls 'lsys_unloadlib' for all lib
|
||||
** handles in list CLIBS
|
||||
*/
|
||||
static int gctm (lua_State *L) {
|
||||
int n = luaL_len(L, 1);
|
||||
lua_Integer n = luaL_len(L, 1);
|
||||
for (; n >= 1; n--) { /* for each handle, in reverse order */
|
||||
lua_rawgeti(L, 1, n); /* get handle CLIBS[n] */
|
||||
ll_unloadlib(lua_touserdata(L, -1));
|
||||
lsys_unloadlib(lua_touserdata(L, -1));
|
||||
lua_pop(L, 1); /* pop handle */
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int ll_loadfunc (lua_State *L, const char *path, const char *sym) {
|
||||
void *reg = ll_checkclib(L, path); /* check loaded C libraries */
|
||||
|
||||
/* error codes for 'lookforfunc' */
|
||||
#define ERRLIB 1
|
||||
#define ERRFUNC 2
|
||||
|
||||
/*
|
||||
** Look for a C function named 'sym' in a dynamically loaded library
|
||||
** 'path'.
|
||||
** First, check whether the library is already loaded; if not, try
|
||||
** to load it.
|
||||
** Then, if 'sym' is '*', return true (as library has been loaded).
|
||||
** Otherwise, look for symbol 'sym' in the library and push a
|
||||
** C function with that symbol.
|
||||
** Return 0 and 'true' or a function in the stack; in case of
|
||||
** errors, return an error code and an error message in the stack.
|
||||
*/
|
||||
static int lookforfunc (lua_State *L, const char *path, const char *sym) {
|
||||
void *reg = checkclib(L, path); /* check loaded C libraries */
|
||||
if (reg == NULL) { /* must load library? */
|
||||
reg = ll_load(L, path, *sym == '*');
|
||||
reg = lsys_load(L, path, *sym == '*'); /* global symbols if 'sym'=='*' */
|
||||
if (reg == NULL) return ERRLIB; /* unable to load library */
|
||||
ll_addtoclib(L, path, reg);
|
||||
addtoclib(L, path, reg);
|
||||
}
|
||||
if (*sym == '*') { /* loading only library (no function)? */
|
||||
lua_pushboolean(L, 1); /* return 'true' */
|
||||
return 0; /* no errors */
|
||||
}
|
||||
else {
|
||||
lua_CFunction f = ll_sym(L, reg, sym);
|
||||
lua_CFunction f = lsys_sym(L, reg, sym);
|
||||
if (f == NULL)
|
||||
return ERRFUNC; /* unable to find function */
|
||||
lua_pushcfunction(L, f); /* else create new function */
|
||||
|
@ -309,7 +353,7 @@ static int ll_loadfunc (lua_State *L, const char *path, const char *sym) {
|
|||
static int ll_loadlib (lua_State *L) {
|
||||
const char *path = luaL_checkstring(L, 1);
|
||||
const char *init = luaL_checkstring(L, 2);
|
||||
int stat = ll_loadfunc(L, path, init);
|
||||
int stat = lookforfunc(L, path, init);
|
||||
if (stat == 0) /* no errors? */
|
||||
return 1; /* return the loaded function */
|
||||
else { /* error; error message is on stack top */
|
||||
|
@ -362,7 +406,7 @@ static const char *searchpath (lua_State *L, const char *name,
|
|||
lua_remove(L, -2); /* remove path template */
|
||||
if (readable(filename)) /* does file exist and is readable? */
|
||||
return filename; /* return that file name */
|
||||
lua_pushfstring(L, "\n\tno file " LUA_QS, filename);
|
||||
lua_pushfstring(L, "\n\tno file '%s'", filename);
|
||||
lua_remove(L, -2); /* remove file name */
|
||||
luaL_addvalue(&msg); /* concatenate error msg. entry */
|
||||
}
|
||||
|
@ -392,7 +436,7 @@ static const char *findfile (lua_State *L, const char *name,
|
|||
lua_getfield(L, lua_upvalueindex(1), pname);
|
||||
path = lua_tostring(L, -1);
|
||||
if (path == NULL)
|
||||
luaL_error(L, LUA_QL("package.%s") " must be a string", pname);
|
||||
luaL_error(L, "'package.%s' must be a string", pname);
|
||||
return searchpath(L, name, path, ".", dirsep);
|
||||
}
|
||||
|
||||
|
@ -403,8 +447,7 @@ static int checkload (lua_State *L, int stat, const char *filename) {
|
|||
return 2; /* return open function and file name */
|
||||
}
|
||||
else
|
||||
return luaL_error(L, "error loading module " LUA_QS
|
||||
" from file " LUA_QS ":\n\t%s",
|
||||
return luaL_error(L, "error loading module '%s' from file '%s':\n\t%s",
|
||||
lua_tostring(L, 1), filename, lua_tostring(L, -1));
|
||||
}
|
||||
|
||||
|
@ -418,21 +461,29 @@ static int searcher_Lua (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
** Try to find a load function for module 'modname' at file 'filename'.
|
||||
** First, change '.' to '_' in 'modname'; then, if 'modname' has
|
||||
** the form X-Y (that is, it has an "ignore mark"), build a function
|
||||
** name "luaopen_X" and look for it. (For compatibility, if that
|
||||
** fails, it also tries "luaopen_Y".) If there is no ignore mark,
|
||||
** look for a function named "luaopen_modname".
|
||||
*/
|
||||
static int loadfunc (lua_State *L, const char *filename, const char *modname) {
|
||||
const char *funcname;
|
||||
const char *openfunc;
|
||||
const char *mark;
|
||||
modname = luaL_gsub(L, modname, ".", LUA_OFSEP);
|
||||
mark = strchr(modname, *LUA_IGMARK);
|
||||
if (mark) {
|
||||
int stat;
|
||||
funcname = lua_pushlstring(L, modname, mark - modname);
|
||||
funcname = lua_pushfstring(L, LUA_POF"%s", funcname);
|
||||
stat = ll_loadfunc(L, filename, funcname);
|
||||
openfunc = lua_pushlstring(L, modname, mark - modname);
|
||||
openfunc = lua_pushfstring(L, LUA_POF"%s", openfunc);
|
||||
stat = lookforfunc(L, filename, openfunc);
|
||||
if (stat != ERRFUNC) return stat;
|
||||
modname = mark + 1; /* else go ahead and try old-style name */
|
||||
}
|
||||
funcname = lua_pushfstring(L, LUA_POF"%s", modname);
|
||||
return ll_loadfunc(L, filename, funcname);
|
||||
openfunc = lua_pushfstring(L, LUA_POF"%s", modname);
|
||||
return lookforfunc(L, filename, openfunc);
|
||||
}
|
||||
|
||||
|
||||
|
@ -457,8 +508,7 @@ static int searcher_Croot (lua_State *L) {
|
|||
if (stat != ERRFUNC)
|
||||
return checkload(L, 0, filename); /* real error */
|
||||
else { /* open function not found */
|
||||
lua_pushfstring(L, "\n\tno module " LUA_QS " in file " LUA_QS,
|
||||
name, filename);
|
||||
lua_pushfstring(L, "\n\tno module '%s' in file '%s'", name, filename);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
@ -480,16 +530,15 @@ static void findloader (lua_State *L, const char *name) {
|
|||
int i;
|
||||
luaL_Buffer msg; /* to build error message */
|
||||
luaL_buffinit(L, &msg);
|
||||
lua_getfield(L, lua_upvalueindex(1), "searchers"); /* will be at index 3 */
|
||||
if (!lua_istable(L, 3))
|
||||
luaL_error(L, LUA_QL("package.searchers") " must be a table");
|
||||
/* push 'package.searchers' to index 3 in the stack */
|
||||
if (lua_getfield(L, lua_upvalueindex(1), "searchers") != LUA_TTABLE)
|
||||
luaL_error(L, "'package.searchers' must be a table");
|
||||
/* iterate over available searchers to find a loader */
|
||||
for (i = 1; ; i++) {
|
||||
if (lua_rawgeti(L, 3, i) == LUA_TNIL) { /* no more searchers? */
|
||||
lua_pop(L, 1); /* remove nil */
|
||||
luaL_pushresult(&msg); /* create error message */
|
||||
luaL_error(L, "module " LUA_QS " not found:%s",
|
||||
name, lua_tostring(L, -1));
|
||||
luaL_error(L, "module '%s' not found:%s", name, lua_tostring(L, -1));
|
||||
}
|
||||
lua_pushstring(L, name);
|
||||
lua_call(L, 1, 2); /* call it */
|
||||
|
@ -547,7 +596,7 @@ static void set_env (lua_State *L) {
|
|||
if (lua_getstack(L, 1, &ar) == 0 ||
|
||||
lua_getinfo(L, "f", &ar) == 0 || /* get calling function */
|
||||
lua_iscfunction(L, -1))
|
||||
luaL_error(L, LUA_QL("module") " not called from a Lua function");
|
||||
luaL_error(L, "'module' not called from a Lua function");
|
||||
lua_pushvalue(L, -2); /* copy new environment table to top */
|
||||
lua_setupvalue(L, -2, 1);
|
||||
lua_pop(L, 1); /* remove function */
|
||||
|
@ -657,6 +706,12 @@ static const luaL_Reg pk_funcs[] = {
|
|||
#if defined(LUA_COMPAT_MODULE)
|
||||
{"seeall", ll_seeall},
|
||||
#endif
|
||||
/* placeholders */
|
||||
{"preload", NULL},
|
||||
{"cpath", NULL},
|
||||
{"path", NULL},
|
||||
{"searchers", NULL},
|
||||
{"loaded", NULL},
|
||||
{NULL, NULL}
|
||||
};
|
||||
|
||||
|
@ -682,24 +737,32 @@ static void createsearcherstable (lua_State *L) {
|
|||
lua_pushcclosure(L, searchers[i], 1);
|
||||
lua_rawseti(L, -2, i+1);
|
||||
}
|
||||
#if defined(LUA_COMPAT_LOADERS)
|
||||
lua_pushvalue(L, -1); /* make a copy of 'searchers' table */
|
||||
lua_setfield(L, -3, "loaders"); /* put it in field 'loaders' */
|
||||
#endif
|
||||
lua_setfield(L, -2, "searchers"); /* put it in field 'searchers' */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** create table CLIBS to keep track of loaded C libraries,
|
||||
** setting a finalizer to close all libraries when closing state.
|
||||
*/
|
||||
static void createclibstable (lua_State *L) {
|
||||
lua_newtable(L); /* create CLIBS table */
|
||||
lua_createtable(L, 0, 1); /* create metatable for CLIBS */
|
||||
lua_pushcfunction(L, gctm);
|
||||
lua_setfield(L, -2, "__gc"); /* set finalizer for CLIBS table */
|
||||
lua_setmetatable(L, -2);
|
||||
lua_rawsetp(L, LUA_REGISTRYINDEX, &CLIBS); /* set CLIBS table in registry */
|
||||
}
|
||||
|
||||
|
||||
LUAMOD_API int luaopen_package (lua_State *L) {
|
||||
/* create table CLIBS to keep track of loaded C libraries */
|
||||
luaL_getsubtable(L, LUA_REGISTRYINDEX, CLIBS);
|
||||
lua_createtable(L, 0, 1); /* metatable for CLIBS */
|
||||
lua_pushcfunction(L, gctm);
|
||||
lua_setfield(L, -2, "__gc"); /* set finalizer for CLIBS table */
|
||||
lua_setmetatable(L, -2);
|
||||
/* create `package' table */
|
||||
luaL_newlib(L, pk_funcs);
|
||||
createclibstable(L);
|
||||
luaL_newlib(L, pk_funcs); /* create 'package' table */
|
||||
createsearcherstable(L);
|
||||
#if defined(LUA_COMPAT_LOADERS)
|
||||
lua_pushvalue(L, -1); /* make a copy of 'searchers' table */
|
||||
lua_setfield(L, -3, "loaders"); /* put it in field `loaders' */
|
||||
#endif
|
||||
lua_setfield(L, -2, "searchers"); /* put it in field 'searchers' */
|
||||
/* set field 'path' */
|
||||
setpath(L, "path", LUA_PATHVARVERSION, LUA_PATH_VAR, LUA_PATH_DEFAULT);
|
||||
/* set field 'cpath' */
|
||||
|
@ -708,10 +771,10 @@ LUAMOD_API int luaopen_package (lua_State *L) {
|
|||
lua_pushliteral(L, LUA_DIRSEP "\n" LUA_PATH_SEP "\n" LUA_PATH_MARK "\n"
|
||||
LUA_EXEC_DIR "\n" LUA_IGMARK "\n");
|
||||
lua_setfield(L, -2, "config");
|
||||
/* set field `loaded' */
|
||||
/* set field 'loaded' */
|
||||
luaL_getsubtable(L, LUA_REGISTRYINDEX, "_LOADED");
|
||||
lua_setfield(L, -2, "loaded");
|
||||
/* set field `preload' */
|
||||
/* set field 'preload' */
|
||||
luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD");
|
||||
lua_setfield(L, -2, "preload");
|
||||
lua_pushglobaltable(L);
|
||||
|
|
|
@ -1,11 +1,17 @@
|
|||
/* $NetBSD: lobject.c,v 1.3 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lobject.c,v 1.4 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lobject.c,v 1.3 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lobject.c,v 2.101 2014/12/26 14:43:45 roberto Exp
|
||||
** Some generic functions over Lua objects
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lobject_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stdarg.h>
|
||||
#include <stdio.h>
|
||||
|
@ -13,9 +19,6 @@
|
|||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lobject_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lctype.h"
|
||||
|
@ -103,6 +106,7 @@ static lua_Number numarith (lua_State *L, int op, lua_Number v1,
|
|||
case LUA_OPMUL: return luai_nummul(L, v1, v2);
|
||||
case LUA_OPDIV: return luai_numdiv(L, v1, v2);
|
||||
case LUA_OPPOW: return luai_numpow(L, v1, v2);
|
||||
case LUA_OPIDIV: return luai_numidiv(L, v1, v2);
|
||||
case LUA_OPUNM: return luai_numunm(L, v1);
|
||||
case LUA_OPMOD: {
|
||||
lua_Number m;
|
||||
|
@ -118,9 +122,9 @@ static lua_Number numarith (lua_State *L, int op, lua_Number v1,
|
|||
void luaO_arith (lua_State *L, int op, const TValue *p1, const TValue *p2,
|
||||
TValue *res) {
|
||||
switch (op) {
|
||||
case LUA_OPIDIV: case LUA_OPBAND: case LUA_OPBOR:
|
||||
case LUA_OPBXOR: case LUA_OPSHL: case LUA_OPSHR:
|
||||
case LUA_OPBNOT: { /* operates only on integers */
|
||||
case LUA_OPBAND: case LUA_OPBOR: case LUA_OPBXOR:
|
||||
case LUA_OPSHL: case LUA_OPSHR:
|
||||
case LUA_OPBNOT: { /* operate only on integers */
|
||||
lua_Integer i1; lua_Integer i2;
|
||||
if (tointeger(p1, &i1) && tointeger(p2, &i2)) {
|
||||
setivalue(res, intarith(L, op, i1, i2));
|
||||
|
@ -141,16 +145,20 @@ void luaO_arith (lua_State *L, int op, const TValue *p1, const TValue *p2,
|
|||
default: { /* other operations */
|
||||
#ifndef _KERNEL
|
||||
lua_Number n1; lua_Number n2;
|
||||
#endif
|
||||
if (ttisinteger(p1) && ttisinteger(p2)) {
|
||||
setivalue(res, intarith(L, op, ivalue(p1), ivalue(p2)));
|
||||
return;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
else if (tonumber(p1, &n1) && tonumber(p2, &n2)) {
|
||||
setfltvalue(res, numarith(L, op, n1, n2));
|
||||
return;
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_Integer i1; lua_Integer i2;
|
||||
if (tointeger(p1, &i1) && tointeger(p2, &i2)) {
|
||||
setivalue(res, intarith(L, op, i1, i2));
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
else break; /* go to the end */
|
||||
}
|
||||
|
@ -174,25 +182,14 @@ static int isneg (const char **s) {
|
|||
}
|
||||
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
/*
|
||||
** {======================================================
|
||||
** lua_strx2number converts an hexadecimal numeric string to a number.
|
||||
** In C99, 'strtod' does both conversions. C89, however, has no function
|
||||
** to convert floating hexadecimal strings to numbers. For these
|
||||
** systems, you can leave 'lua_strx2number' undefined and Lua will
|
||||
** provide its own implementation.
|
||||
** =======================================================
|
||||
** {==================================================================
|
||||
** Lua's implementation for 'lua_strx2number'
|
||||
** ===================================================================
|
||||
*/
|
||||
#if !defined(lua_strx2number) /* { */
|
||||
|
||||
#if defined(LUA_USE_C99) /* { */
|
||||
|
||||
#define lua_strx2number(s,p) lua_str2number(s,p)
|
||||
|
||||
#else /* }{ */
|
||||
|
||||
/* Lua's implementation for 'lua_strx2number' */
|
||||
#if !defined(lua_strx2number)
|
||||
|
||||
#include <math.h>
|
||||
|
||||
|
@ -209,7 +206,7 @@ static lua_Number lua_strx2number (const char *s, char **endptr) {
|
|||
int sigdig = 0; /* number of significant digits */
|
||||
int nosigdig = 0; /* number of non-significant digits */
|
||||
int e = 0; /* exponent correction */
|
||||
int neg = 0; /* 1 if number is negative */
|
||||
int neg; /* 1 if number is negative */
|
||||
int dot = 0; /* true after seen a dot */
|
||||
*endptr = cast(char *, s); /* nothing is valid yet */
|
||||
while (lisspace(cast_uchar(*s))) s++; /* skip initial spaces */
|
||||
|
@ -222,18 +219,12 @@ static lua_Number lua_strx2number (const char *s, char **endptr) {
|
|||
else dot = 1;
|
||||
}
|
||||
else if (lisxdigit(cast_uchar(*s))) {
|
||||
if (sigdig == 0 && *s == '0') { /* non-significant zero? */
|
||||
if (sigdig == 0 && *s == '0') /* non-significant digit (zero)? */
|
||||
nosigdig++;
|
||||
if (dot) e--; /* zero after dot? correct exponent */
|
||||
}
|
||||
else {
|
||||
if (++sigdig <= MAXSIGDIG) { /* can read it without overflow? */
|
||||
r = (r * cast_num(16.0)) + luaO_hexavalue(cast_uchar(*s));
|
||||
if (dot) e--; /* decimal digit */
|
||||
}
|
||||
else /* too many digits; ignore */
|
||||
if (!dot) e++; /* still count it for exponent */
|
||||
}
|
||||
else if (++sigdig <= MAXSIGDIG) /* can read it without overflow? */
|
||||
r = (r * cast_num(16.0)) + luaO_hexavalue(*s);
|
||||
else e++; /* too many digits; ignore, but still count for exponent */
|
||||
if (dot) e--; /* decimal digit? correct exponent */
|
||||
}
|
||||
else break; /* neither a dot nor a digit */
|
||||
}
|
||||
|
@ -257,21 +248,16 @@ static lua_Number lua_strx2number (const char *s, char **endptr) {
|
|||
if (neg) r = -r;
|
||||
return l_mathop(ldexp)(r, e);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* } */
|
||||
|
||||
#endif /* } */
|
||||
|
||||
/* }====================================================== */
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
static const char *l_str2d (const char *s, lua_Number *result) {
|
||||
char *endptr;
|
||||
if (strpbrk(s, "nN")) /* reject 'inf' and 'nan' */
|
||||
return NULL;
|
||||
else if (strpbrk(s, "xX")) /* hexa? */
|
||||
else if (strpbrk(s, "xX")) /* hex? */
|
||||
*result = lua_strx2number(s, &endptr);
|
||||
else
|
||||
*result = lua_str2number(s, &endptr);
|
||||
|
@ -279,7 +265,7 @@ static const char *l_str2d (const char *s, lua_Number *result) {
|
|||
while (lisspace(cast_uchar(*endptr))) endptr++;
|
||||
return (*endptr == '\0' ? endptr : NULL); /* OK if no trailing characters */
|
||||
}
|
||||
#endif
|
||||
#endif /* _KERNEL */
|
||||
|
||||
|
||||
static const char *l_str2int (const char *s, lua_Integer *result) {
|
||||
|
@ -289,16 +275,16 @@ static const char *l_str2int (const char *s, lua_Integer *result) {
|
|||
while (lisspace(cast_uchar(*s))) s++; /* skip initial spaces */
|
||||
neg = isneg(&s);
|
||||
if (s[0] == '0' &&
|
||||
(s[1] == 'x' || s[1] == 'X')) { /* hexa? */
|
||||
(s[1] == 'x' || s[1] == 'X')) { /* hex? */
|
||||
s += 2; /* skip '0x' */
|
||||
for (; lisxdigit(cast_uchar(*s)); s++) {
|
||||
a = a * 16 + luaO_hexavalue(cast_uchar(*s));
|
||||
a = a * 16 + luaO_hexavalue(*s);
|
||||
empty = 0;
|
||||
}
|
||||
}
|
||||
else { /* decimal */
|
||||
for (; lisdigit(cast_uchar(*s)); s++) {
|
||||
a = a * 10 + luaO_hexavalue(cast_uchar(*s));
|
||||
a = a * 10 + *s - '0';
|
||||
empty = 0;
|
||||
}
|
||||
}
|
||||
|
@ -314,7 +300,7 @@ static const char *l_str2int (const char *s, lua_Integer *result) {
|
|||
size_t luaO_str2num (const char *s, TValue *o) {
|
||||
#ifndef _KERNEL
|
||||
lua_Integer i; lua_Number n;
|
||||
#else
|
||||
#else /* _KERNEL */
|
||||
lua_Integer i;
|
||||
#endif
|
||||
const char *e;
|
||||
|
@ -332,30 +318,62 @@ size_t luaO_str2num (const char *s, TValue *o) {
|
|||
}
|
||||
|
||||
|
||||
int luaO_utf8esc (char *buff, unsigned int x) {
|
||||
int luaO_utf8esc (char *buff, unsigned long x) {
|
||||
int n = 1; /* number of bytes put in buffer (backwards) */
|
||||
lua_assert(x <= 0x10FFFF);
|
||||
if (x < 0x80) /* ascii? */
|
||||
buff[UTF8BUFFSZ - 1] = x;
|
||||
buff[UTF8BUFFSZ - 1] = cast(char, x);
|
||||
else { /* need continuation bytes */
|
||||
unsigned int mfb = 0x3f; /* maximum that fits in first byte */
|
||||
do {
|
||||
buff[UTF8BUFFSZ - (n++)] = 0x80 | (x & 0x3f); /* add continuation byte */
|
||||
do { /* add continuation bytes */
|
||||
buff[UTF8BUFFSZ - (n++)] = cast(char, 0x80 | (x & 0x3f));
|
||||
x >>= 6; /* remove added bits */
|
||||
mfb >>= 1; /* now there is one less bit available in first byte */
|
||||
} while (x > mfb); /* still needs continuation byte? */
|
||||
buff[UTF8BUFFSZ - n] = (~mfb << 1) | x; /* add first byte */
|
||||
buff[UTF8BUFFSZ - n] = cast(char, (~mfb << 1) | x); /* add first byte */
|
||||
}
|
||||
return n;
|
||||
}
|
||||
|
||||
|
||||
/* maximum length of the conversion of a number to a string */
|
||||
#define MAXNUMBER2STR 50
|
||||
|
||||
|
||||
/*
|
||||
** Convert a number object to a string
|
||||
*/
|
||||
void luaO_tostring (lua_State *L, StkId obj) {
|
||||
char buff[MAXNUMBER2STR];
|
||||
size_t len;
|
||||
lua_assert(ttisnumber(obj));
|
||||
#ifndef _KERNEL
|
||||
if (ttisinteger(obj))
|
||||
len = lua_integer2str(buff, ivalue(obj));
|
||||
else {
|
||||
len = lua_number2str(buff, fltvalue(obj));
|
||||
#if !defined(LUA_COMPAT_FLOATSTRING)
|
||||
if (buff[strspn(buff, "-0123456789")] == '\0') { /* looks like an int? */
|
||||
buff[len++] = '.';
|
||||
buff[len++] = '0'; /* adds '.0' to result */
|
||||
}
|
||||
#endif
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_assert(ttisinteger(obj));
|
||||
len = lua_integer2str(buff, ivalue(obj));
|
||||
#endif
|
||||
setsvalue2s(L, obj, luaS_newlstr(L, buff, len));
|
||||
}
|
||||
|
||||
|
||||
static void pushstr (lua_State *L, const char *str, size_t l) {
|
||||
setsvalue2s(L, L->top++, luaS_newlstr(L, str, l));
|
||||
}
|
||||
|
||||
|
||||
/* this function handles only '%d', '%c', '%f', '%p', and '%s'
|
||||
conventional formats, plus Lua-specific '%L' and '%U' */
|
||||
conventional formats, plus Lua-specific '%I' and '%U' */
|
||||
const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
|
||||
int n = 0;
|
||||
for (;;) {
|
||||
|
@ -371,37 +389,39 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
|
|||
break;
|
||||
}
|
||||
case 'c': {
|
||||
char buff;
|
||||
buff = cast(char, va_arg(argp, int));
|
||||
pushstr(L, &buff, 1);
|
||||
char buff = cast(char, va_arg(argp, int));
|
||||
if (lisprint(cast_uchar(buff)))
|
||||
pushstr(L, &buff, 1);
|
||||
else /* non-printable character; print its code */
|
||||
luaO_pushfstring(L, "<\\%d>", cast_uchar(buff));
|
||||
break;
|
||||
}
|
||||
case 'd': {
|
||||
setivalue(L->top++, cast_int(va_arg(argp, int)));
|
||||
luaV_tostring(L, L->top - 1);
|
||||
setivalue(L->top++, va_arg(argp, int));
|
||||
luaO_tostring(L, L->top - 1);
|
||||
break;
|
||||
}
|
||||
case 'I': {
|
||||
setivalue(L->top++, cast(lua_Integer, va_arg(argp, l_uacInt)));
|
||||
luaV_tostring(L, L->top - 1);
|
||||
luaO_tostring(L, L->top - 1);
|
||||
break;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
case 'f': {
|
||||
setfltvalue(L->top++, cast_num(va_arg(argp, l_uacNumber)));
|
||||
luaV_tostring(L, L->top - 1);
|
||||
luaO_tostring(L, L->top - 1);
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
case 'p': {
|
||||
char buff[4*sizeof(void *) + 8]; /* should be enough space for a `%p' */
|
||||
char buff[4*sizeof(void *) + 8]; /* should be enough space for a '%p' */
|
||||
int l = sprintf(buff, "%p", va_arg(argp, void *));
|
||||
pushstr(L, buff, l);
|
||||
break;
|
||||
}
|
||||
case 'U': {
|
||||
char buff[UTF8BUFFSZ];
|
||||
int l = luaO_utf8esc(buff, va_arg(argp, int));
|
||||
int l = luaO_utf8esc(buff, cast(long, va_arg(argp, long)));
|
||||
pushstr(L, buff + UTF8BUFFSZ - l, l);
|
||||
break;
|
||||
}
|
||||
|
@ -410,9 +430,8 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
|
|||
break;
|
||||
}
|
||||
default: {
|
||||
luaG_runerror(L,
|
||||
"invalid option " LUA_QL("%%%c") " to " LUA_QL("lua_pushfstring"),
|
||||
*(e + 1));
|
||||
luaG_runerror(L, "invalid option '%%%c' to 'lua_pushfstring'",
|
||||
*(e + 1));
|
||||
}
|
||||
}
|
||||
n += 2;
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: lobject.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lobject.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lobject.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lobject.h,v 2.106 2015/01/05 13:52:37 roberto Exp
|
||||
** Type definitions for Lua objects
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -73,9 +73,9 @@
|
|||
|
||||
|
||||
/*
|
||||
** Union of all collectable objects
|
||||
** Common type for all collectable objects
|
||||
*/
|
||||
typedef union GCObject GCObject;
|
||||
typedef struct GCObject GCObject;
|
||||
|
||||
|
||||
/*
|
||||
|
@ -86,11 +86,11 @@ typedef union GCObject GCObject;
|
|||
|
||||
|
||||
/*
|
||||
** Common header in struct form
|
||||
** Common type has only the common header
|
||||
*/
|
||||
typedef struct GCheader {
|
||||
struct GCObject {
|
||||
CommonHeader;
|
||||
} GCheader;
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
@ -161,13 +161,15 @@ typedef struct lua_TValue TValue;
|
|||
#define ivalue(o) check_exp(ttisinteger(o), val_(o).i)
|
||||
#ifndef _KERNEL
|
||||
#define fltvalue(o) check_exp(ttisfloat(o), val_(o).n)
|
||||
#define nvalue(o) check_exp(ttisnumber(o), \
|
||||
(ttisinteger(o) ? cast_num(ivalue(o)) : fltvalue(o)))
|
||||
#else /* _KERNEL */
|
||||
#define nvalue(o) check_exp(ttisnumber(o), cast_num(ivalue(o)))
|
||||
#endif
|
||||
#define gcvalue(o) check_exp(iscollectable(o), val_(o).gc)
|
||||
#define pvalue(o) check_exp(ttislightuserdata(o), val_(o).p)
|
||||
#define rawtsvalue(o) check_exp(ttisstring(o), rawgco2ts(val_(o).gc))
|
||||
#define tsvalue(o) (&rawtsvalue(o)->tsv)
|
||||
#define rawuvalue(o) check_exp(ttisfulluserdata(o), rawgco2u(val_(o).gc))
|
||||
#define uvalue(o) (&rawuvalue(o)->uv)
|
||||
#define tsvalue(o) check_exp(ttisstring(o), gco2ts(val_(o).gc))
|
||||
#define uvalue(o) check_exp(ttisfulluserdata(o), gco2u(val_(o).gc))
|
||||
#define clvalue(o) check_exp(ttisclosure(o), gco2cl(val_(o).gc))
|
||||
#define clLvalue(o) check_exp(ttisLclosure(o), gco2lcl(val_(o).gc))
|
||||
#define clCvalue(o) check_exp(ttisCclosure(o), gco2ccl(val_(o).gc))
|
||||
|
@ -185,7 +187,7 @@ typedef struct lua_TValue TValue;
|
|||
|
||||
|
||||
/* Macros for internal tests */
|
||||
#define righttt(obj) (ttype(obj) == gcvalue(obj)->gch.tt)
|
||||
#define righttt(obj) (ttype(obj) == gcvalue(obj)->tt)
|
||||
|
||||
#define checkliveness(g,obj) \
|
||||
lua_longassert(!iscollectable(obj) || \
|
||||
|
@ -216,11 +218,11 @@ typedef struct lua_TValue TValue;
|
|||
|
||||
#define setgcovalue(L,obj,x) \
|
||||
{ TValue *io = (obj); GCObject *i_g=(x); \
|
||||
val_(io).gc = i_g; settt_(io, ctb(gch(i_g)->tt)); }
|
||||
val_(io).gc = i_g; settt_(io, ctb(i_g->tt)); }
|
||||
|
||||
#define setsvalue(L,obj,x) \
|
||||
{ TValue *io = (obj); TString *x_ = (x); \
|
||||
val_(io).gc = obj2gco(x_); settt_(io, ctb(x_->tsv.tt)); \
|
||||
val_(io).gc = obj2gco(x_); settt_(io, ctb(x_->tt)); \
|
||||
checkliveness(G(L),io); }
|
||||
|
||||
#define setuvalue(L,obj,x) \
|
||||
|
@ -253,8 +255,7 @@ typedef struct lua_TValue TValue;
|
|||
|
||||
|
||||
#define setobj(L,obj1,obj2) \
|
||||
{ const TValue *io2=(obj2); TValue *io1=(obj1); \
|
||||
io1->value_ = io2->value_; io1->tt_ = io2->tt_; \
|
||||
{ TValue *io1=(obj1); *io1 = *(obj2); \
|
||||
(void)L; checkliveness(G(L),io1); }
|
||||
|
||||
|
||||
|
@ -311,50 +312,76 @@ typedef TValue *StkId; /* index to stack elements */
|
|||
|
||||
/*
|
||||
** Header for string value; string bytes follow the end of this structure
|
||||
** (aligned according to 'UTString'; see next).
|
||||
*/
|
||||
typedef union TString {
|
||||
L_Umaxalign dummy; /* ensures maximum alignment for strings */
|
||||
struct {
|
||||
CommonHeader;
|
||||
lu_byte extra; /* reserved words for short strings; "has hash" for longs */
|
||||
unsigned int hash;
|
||||
size_t len; /* number of characters in string */
|
||||
union TString *hnext; /* linked list for hash table */
|
||||
} tsv;
|
||||
typedef struct TString {
|
||||
CommonHeader;
|
||||
lu_byte extra; /* reserved words for short strings; "has hash" for longs */
|
||||
unsigned int hash;
|
||||
size_t len; /* number of characters in string */
|
||||
struct TString *hnext; /* linked list for hash table */
|
||||
} TString;
|
||||
|
||||
|
||||
/* get the actual string (array of bytes) from a TString */
|
||||
#define getstr(ts) cast(const char *, (ts) + 1)
|
||||
/*
|
||||
** Ensures that address after this type is always fully aligned.
|
||||
*/
|
||||
typedef union UTString {
|
||||
L_Umaxalign dummy; /* ensures maximum alignment for strings */
|
||||
TString tsv;
|
||||
} UTString;
|
||||
|
||||
|
||||
/*
|
||||
** Get the actual string (array of bytes) from a 'TString'.
|
||||
** (Access to 'extra' ensures that value is really a 'TString'.)
|
||||
*/
|
||||
#define getaddrstr(ts) (cast(char *, (ts)) + sizeof(UTString))
|
||||
#define getstr(ts) \
|
||||
check_exp(sizeof((ts)->extra), cast(const char*, getaddrstr(ts)))
|
||||
|
||||
/* get the actual string (array of bytes) from a Lua value */
|
||||
#define svalue(o) getstr(rawtsvalue(o))
|
||||
#define svalue(o) getstr(tsvalue(o))
|
||||
|
||||
|
||||
/*
|
||||
** Header for userdata; memory area follows the end of this structure
|
||||
** (aligned according to 'UUdata'; see next).
|
||||
*/
|
||||
typedef union Udata {
|
||||
L_Umaxalign dummy; /* ensures maximum alignment for `local' udata */
|
||||
struct {
|
||||
CommonHeader;
|
||||
lu_byte ttuv_; /* user value's tag */
|
||||
struct Table *metatable;
|
||||
size_t len; /* number of bytes */
|
||||
union Value user_; /* user value */
|
||||
} uv;
|
||||
typedef struct Udata {
|
||||
CommonHeader;
|
||||
lu_byte ttuv_; /* user value's tag */
|
||||
struct Table *metatable;
|
||||
size_t len; /* number of bytes */
|
||||
union Value user_; /* user value */
|
||||
} Udata;
|
||||
|
||||
|
||||
/*
|
||||
** Ensures that address after this type is always fully aligned.
|
||||
*/
|
||||
typedef union UUdata {
|
||||
L_Umaxalign dummy; /* ensures maximum alignment for 'local' udata */
|
||||
Udata uv;
|
||||
} UUdata;
|
||||
|
||||
|
||||
/*
|
||||
** Get the address of memory block inside 'Udata'.
|
||||
** (Access to 'ttuv_' ensures that value is really a 'Udata'.)
|
||||
*/
|
||||
#define getudatamem(u) \
|
||||
check_exp(sizeof((u)->ttuv_), (cast(char*, (u)) + sizeof(UUdata)))
|
||||
|
||||
#define setuservalue(L,u,o) \
|
||||
{ const TValue *io=(o); Udata *iu = (u); \
|
||||
iu->uv.user_ = io->value_; iu->uv.ttuv_ = io->tt_; \
|
||||
iu->user_ = io->value_; iu->ttuv_ = io->tt_; \
|
||||
checkliveness(G(L),io); }
|
||||
|
||||
|
||||
#define getuservalue(L,u,o) \
|
||||
{ TValue *io=(o); const Udata *iu = (u); \
|
||||
io->value_ = iu->uv.user_; io->tt_ = iu->uv.ttuv_; \
|
||||
io->value_ = iu->user_; io->tt_ = iu->ttuv_; \
|
||||
checkliveness(G(L),io); }
|
||||
|
||||
|
||||
|
@ -388,10 +415,10 @@ typedef struct Proto {
|
|||
lu_byte is_vararg;
|
||||
lu_byte maxstacksize; /* maximum stack used by this function */
|
||||
int sizeupvalues; /* size of 'upvalues' */
|
||||
int sizek; /* size of `k' */
|
||||
int sizek; /* size of 'k' */
|
||||
int sizecode;
|
||||
int sizelineinfo;
|
||||
int sizep; /* size of `p' */
|
||||
int sizep; /* size of 'p' */
|
||||
int sizelocvars;
|
||||
int linedefined;
|
||||
int lastlinedefined;
|
||||
|
@ -459,6 +486,13 @@ typedef union TKey {
|
|||
} TKey;
|
||||
|
||||
|
||||
/* copy a value into a key without messing up field 'next' */
|
||||
#define setnodekey(L,key,obj) \
|
||||
{ TKey *k_=(key); const TValue *io_=(obj); \
|
||||
k_->nk.value_ = io_->value_; k_->nk.tt_ = io_->tt_; \
|
||||
(void)L; checkliveness(G(L),io_); }
|
||||
|
||||
|
||||
typedef struct Node {
|
||||
TValue i_val;
|
||||
TKey i_key;
|
||||
|
@ -468,8 +502,8 @@ typedef struct Node {
|
|||
typedef struct Table {
|
||||
CommonHeader;
|
||||
lu_byte flags; /* 1<<p means tagmethod(p) is not present */
|
||||
lu_byte lsizenode; /* log2 of size of `node' array */
|
||||
int sizearray; /* size of `array' array */
|
||||
lu_byte lsizenode; /* log2 of size of 'node' array */
|
||||
unsigned int sizearray; /* size of 'array' array */
|
||||
TValue *array; /* array part */
|
||||
Node *node;
|
||||
Node *lastfree; /* any free position is before this position */
|
||||
|
@ -480,7 +514,7 @@ typedef struct Table {
|
|||
|
||||
|
||||
/*
|
||||
** `module' operation for hashing (size is always a power of 2)
|
||||
** 'module' operation for hashing (size is always a power of 2)
|
||||
*/
|
||||
#define lmod(s,size) \
|
||||
(check_exp((size&(size-1))==0, (cast(int, (s) & ((size)-1)))))
|
||||
|
@ -503,12 +537,13 @@ LUAI_DDEC const TValue luaO_nilobject_;
|
|||
|
||||
LUAI_FUNC int luaO_int2fb (unsigned int x);
|
||||
LUAI_FUNC int luaO_fb2int (int x);
|
||||
LUAI_FUNC int luaO_utf8esc (char *buff, unsigned int x);
|
||||
LUAI_FUNC int luaO_utf8esc (char *buff, unsigned long x);
|
||||
LUAI_FUNC int luaO_ceillog2 (unsigned int x);
|
||||
LUAI_FUNC void luaO_arith (lua_State *L, int op, const TValue *p1,
|
||||
const TValue *p2, TValue *res);
|
||||
LUAI_FUNC size_t luaO_str2num (const char *s, TValue *o);
|
||||
LUAI_FUNC int luaO_hexavalue (int c);
|
||||
LUAI_FUNC void luaO_tostring (lua_State *L, StkId obj);
|
||||
LUAI_FUNC const char *luaO_pushvfstring (lua_State *L, const char *fmt,
|
||||
va_list argp);
|
||||
LUAI_FUNC const char *luaO_pushfstring (lua_State *L, const char *fmt, ...);
|
||||
|
|
|
@ -1,15 +1,20 @@
|
|||
/* $NetBSD: lopcodes.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lopcodes.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lopcodes.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lopcodes.c,v 1.55 2015/01/05 13:48:33 roberto Exp
|
||||
** Opcodes for Lua virtual machine
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
|
||||
#define lopcodes_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
|
||||
#include "lopcodes.h"
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: lopcodes.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lopcodes.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lopcodes.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lopcodes.h,v 1.148 2014/10/25 11:50:46 roberto Exp
|
||||
** Opcodes for Lua virtual machine
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -16,12 +16,12 @@
|
|||
We assume that instructions are unsigned numbers.
|
||||
All instructions have an opcode in the first 6 bits.
|
||||
Instructions can have the following fields:
|
||||
`A' : 8 bits
|
||||
`B' : 9 bits
|
||||
`C' : 9 bits
|
||||
'A' : 8 bits
|
||||
'B' : 9 bits
|
||||
'C' : 9 bits
|
||||
'Ax' : 26 bits ('A', 'B', and 'C' together)
|
||||
`Bx' : 18 bits (`B' and `C' together)
|
||||
`sBx' : signed Bx
|
||||
'Bx' : 18 bits ('B' and 'C' together)
|
||||
'sBx' : signed Bx
|
||||
|
||||
A signed argument is represented in excess K; that is, the number
|
||||
value is the unsigned value minus K. K is exactly the maximum value
|
||||
|
@ -60,7 +60,7 @@ enum OpMode {iABC, iABx, iAsBx, iAx}; /* basic instruction format */
|
|||
*/
|
||||
#if SIZE_Bx < LUAI_BITSINT-1
|
||||
#define MAXARG_Bx ((1<<SIZE_Bx)-1)
|
||||
#define MAXARG_sBx (MAXARG_Bx>>1) /* `sBx' is signed */
|
||||
#define MAXARG_sBx (MAXARG_Bx>>1) /* 'sBx' is signed */
|
||||
#else
|
||||
#define MAXARG_Bx MAX_INT
|
||||
#define MAXARG_sBx MAX_INT
|
||||
|
@ -78,10 +78,10 @@ enum OpMode {iABC, iABx, iAsBx, iAx}; /* basic instruction format */
|
|||
#define MAXARG_C ((1<<SIZE_C)-1)
|
||||
|
||||
|
||||
/* creates a mask with `n' 1 bits at position `p' */
|
||||
/* creates a mask with 'n' 1 bits at position 'p' */
|
||||
#define MASK1(n,p) ((~((~(Instruction)0)<<(n)))<<(p))
|
||||
|
||||
/* creates a mask with `n' 0 bits at position `p' */
|
||||
/* creates a mask with 'n' 0 bits at position 'p' */
|
||||
#define MASK0(n,p) (~MASK1(n,p))
|
||||
|
||||
/*
|
||||
|
@ -207,7 +207,7 @@ OP_LEN,/* A B R(A) := length of R(B) */
|
|||
|
||||
OP_CONCAT,/* A B C R(A) := R(B).. ... ..R(C) */
|
||||
|
||||
OP_JMP,/* A sBx pc+=sBx; if (A) close all upvalues >= R(A) + 1 */
|
||||
OP_JMP,/* A sBx pc+=sBx; if (A) close all upvalues >= R(A - 1) */
|
||||
OP_EQ,/* A B C if ((RK(B) == RK(C)) ~= A) then pc++ */
|
||||
OP_LT,/* A B C if ((RK(B) < RK(C)) ~= A) then pc++ */
|
||||
OP_LE,/* A B C if ((RK(B) <= RK(C)) ~= A) then pc++ */
|
||||
|
@ -242,16 +242,16 @@ OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
|
|||
|
||||
/*===========================================================================
|
||||
Notes:
|
||||
(*) In OP_CALL, if (B == 0) then B = top. If (C == 0), then `top' is
|
||||
(*) In OP_CALL, if (B == 0) then B = top. If (C == 0), then 'top' is
|
||||
set to last_result+1, so next open instruction (OP_CALL, OP_RETURN,
|
||||
OP_SETLIST) may use `top'.
|
||||
OP_SETLIST) may use 'top'.
|
||||
|
||||
(*) In OP_VARARG, if (B == 0) then use actual number of varargs and
|
||||
set top (like in OP_CALL with C == 0).
|
||||
|
||||
(*) In OP_RETURN, if (B == 0) then return up to `top'.
|
||||
(*) In OP_RETURN, if (B == 0) then return up to 'top'.
|
||||
|
||||
(*) In OP_SETLIST, if (B == 0) then B = `top'; if (C == 0) then next
|
||||
(*) In OP_SETLIST, if (B == 0) then B = 'top'; if (C == 0) then next
|
||||
'instruction' is EXTRAARG(real C).
|
||||
|
||||
(*) In OP_LOADKX, the next 'instruction' is always EXTRAARG.
|
||||
|
@ -259,7 +259,7 @@ OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
|
|||
(*) For comparisons, A specifies what condition the test should accept
|
||||
(true or false).
|
||||
|
||||
(*) All `skips' (pc++) assume that next instruction is a jump.
|
||||
(*) All 'skips' (pc++) assume that next instruction is a jump.
|
||||
|
||||
===========================================================================*/
|
||||
|
||||
|
|
|
@ -1,11 +1,14 @@
|
|||
/* $NetBSD: loslib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: loslib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: loslib.c,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Standard Operating System library
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define loslib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#include <errno.h>
|
||||
#include <locale.h>
|
||||
|
@ -13,9 +16,6 @@
|
|||
#include <string.h>
|
||||
#include <time.h>
|
||||
|
||||
#define loslib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
|
@ -27,9 +27,9 @@
|
|||
** list of valid conversion specifiers for the 'strftime' function
|
||||
*/
|
||||
|
||||
#if !defined(LUA_USE_POSIX)
|
||||
#if defined(LUA_USE_C89)
|
||||
#define LUA_STRFTIMEOPTIONS { "aAbBcdHIjmMpSUwWxXyYz%", "" }
|
||||
#else
|
||||
#else /* C99 specification */
|
||||
#define LUA_STRFTIMEOPTIONS \
|
||||
{ "aAbBcCdDeFgGhHIjmMnprRStTuUVwWxXyYzZ%", "", \
|
||||
"E", "cCxXyY", \
|
||||
|
@ -76,7 +76,7 @@
|
|||
|
||||
#else /* }{ */
|
||||
|
||||
/* ANSI definitions */
|
||||
/* ISO C definitions */
|
||||
#define LUA_TMPNAMBUFSIZE L_tmpnam
|
||||
#define lua_tmpnam(b,e) { e = (tmpnam(b) == NULL); }
|
||||
|
||||
|
@ -99,9 +99,9 @@
|
|||
|
||||
#else /* }{ */
|
||||
|
||||
/* ANSI definitions */
|
||||
#define l_gmtime(t,r) ((void)r, gmtime(t))
|
||||
#define l_localtime(t,r) ((void)r, localtime(t))
|
||||
/* ISO C definitions */
|
||||
#define l_gmtime(t,r) ((void)(r)->tm_sec, gmtime(t))
|
||||
#define l_localtime(t,r) ((void)(r)->tm_sec, localtime(t))
|
||||
|
||||
#endif /* } */
|
||||
|
||||
|
@ -191,7 +191,7 @@ static int getfield (lua_State *L, const char *key, int d) {
|
|||
res = (int)lua_tointegerx(L, -1, &isnum);
|
||||
if (!isnum) {
|
||||
if (d < 0)
|
||||
return luaL_error(L, "field " LUA_QS " missing in date table", key);
|
||||
return luaL_error(L, "field '%s' missing in date table", key);
|
||||
res = d;
|
||||
}
|
||||
lua_pop(L, 1);
|
||||
|
@ -229,7 +229,7 @@ static int os_date (lua_State *L) {
|
|||
struct tm tmr, *stm;
|
||||
if (*s == '!') { /* UTC? */
|
||||
stm = l_gmtime(&t, &tmr);
|
||||
s++; /* skip `!' */
|
||||
s++; /* skip '!' */
|
||||
}
|
||||
else
|
||||
stm = l_localtime(&t, &tmr);
|
||||
|
@ -297,7 +297,8 @@ static int os_time (lua_State *L) {
|
|||
|
||||
|
||||
static int os_difftime (lua_State *L) {
|
||||
lua_pushnumber(L, difftime((l_checktime(L, 1)), (l_checktime(L, 2))));
|
||||
double res = difftime((l_checktime(L, 1)), (l_checktime(L, 2)));
|
||||
lua_pushnumber(L, (lua_Number)res);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
@ -321,7 +322,7 @@ static int os_exit (lua_State *L) {
|
|||
if (lua_isboolean(L, 1))
|
||||
status = (lua_toboolean(L, 1) ? EXIT_SUCCESS : EXIT_FAILURE);
|
||||
else
|
||||
status = luaL_optint(L, 1, EXIT_SUCCESS);
|
||||
status = (int)luaL_optinteger(L, 1, EXIT_SUCCESS);
|
||||
if (lua_toboolean(L, 2))
|
||||
lua_close(L);
|
||||
if (L) exit(status); /* 'if' to avoid warnings for unreachable 'return' */
|
||||
|
|
|
@ -1,19 +1,21 @@
|
|||
/* $NetBSD: lparser.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lparser.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lparser.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lparser.c,v 2.147 2014/12/27 20:31:43 roberto Exp
|
||||
** Lua Parser
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lparser_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lparser_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lcode.h"
|
||||
|
@ -49,11 +51,11 @@
|
|||
*/
|
||||
typedef struct BlockCnt {
|
||||
struct BlockCnt *previous; /* chain */
|
||||
short firstlabel; /* index of first label in this block */
|
||||
short firstgoto; /* index of first pending goto in this block */
|
||||
int firstlabel; /* index of first label in this block */
|
||||
int firstgoto; /* index of first pending goto in this block */
|
||||
lu_byte nactvar; /* # active locals outside the block */
|
||||
lu_byte upval; /* true if some variable in the block is an upvalue */
|
||||
lu_byte isloop; /* true if `block' is a loop */
|
||||
lu_byte isloop; /* true if 'block' is a loop */
|
||||
} BlockCnt;
|
||||
|
||||
|
||||
|
@ -67,7 +69,7 @@ static void expr (LexState *ls, expdesc *v);
|
|||
|
||||
/* semantic error */
|
||||
static l_noret semerror (LexState *ls, const char *msg) {
|
||||
ls->t.token = 0; /* remove 'near to' from final message */
|
||||
ls->t.token = 0; /* remove "near <token>" from final message */
|
||||
luaX_syntaxerror(ls, msg);
|
||||
}
|
||||
|
||||
|
@ -344,7 +346,7 @@ static void closegoto (LexState *ls, int g, Labeldesc *label) {
|
|||
if (gt->nactvar < label->nactvar) {
|
||||
TString *vname = getlocvar(fs, gt->nactvar)->varname;
|
||||
const char *msg = luaO_pushfstring(ls->L,
|
||||
"<goto %s> at line %d jumps into the scope of local " LUA_QS,
|
||||
"<goto %s> at line %d jumps into the scope of local '%s'",
|
||||
getstr(gt->name), gt->line, getstr(vname));
|
||||
semerror(ls, msg);
|
||||
}
|
||||
|
@ -388,7 +390,7 @@ static int newlabelentry (LexState *ls, Labellist *l, TString *name,
|
|||
l->arr[n].line = line;
|
||||
l->arr[n].nactvar = ls->fs->nactvar;
|
||||
l->arr[n].pc = pc;
|
||||
l->n++;
|
||||
l->n = n + 1;
|
||||
return n;
|
||||
}
|
||||
|
||||
|
@ -410,7 +412,7 @@ static void findgotos (LexState *ls, Labeldesc *lb) {
|
|||
|
||||
|
||||
/*
|
||||
** "export" pending gotos to outer level, to check them against
|
||||
** export pending gotos to outer level, to check them against
|
||||
** outer labels; if the block being exited has upvalues, and
|
||||
** the goto exits the scope of any variable (which can be the
|
||||
** upvalue), close those variables being exited.
|
||||
|
@ -446,7 +448,7 @@ static void enterblock (FuncState *fs, BlockCnt *bl, lu_byte isloop) {
|
|||
|
||||
|
||||
/*
|
||||
** create a label named "break" to resolve break statements
|
||||
** create a label named 'break' to resolve break statements
|
||||
*/
|
||||
static void breaklabel (LexState *ls) {
|
||||
TString *n = luaS_new(ls->L, "break");
|
||||
|
@ -461,7 +463,7 @@ static void breaklabel (LexState *ls) {
|
|||
static l_noret undefgoto (LexState *ls, Labeldesc *gt) {
|
||||
const char *msg = isreserved(gt->name)
|
||||
? "<%s> at line %d not inside a loop"
|
||||
: "no visible label " LUA_QS " for <goto> at line %d";
|
||||
: "no visible label '%s' for <goto> at line %d";
|
||||
msg = luaO_pushfstring(ls->L, msg, getstr(gt->name), gt->line);
|
||||
semerror(ls, msg);
|
||||
}
|
||||
|
@ -578,7 +580,7 @@ static void close_func (LexState *ls) {
|
|||
/*
|
||||
** check whether current token is in the follow set of a block.
|
||||
** 'until' closes syntactical blocks, but do not close scope,
|
||||
** so it handled in separate.
|
||||
** so it is handled in separate.
|
||||
*/
|
||||
static int block_follow (LexState *ls, int withuntil) {
|
||||
switch (ls->t.token) {
|
||||
|
@ -592,7 +594,7 @@ static int block_follow (LexState *ls, int withuntil) {
|
|||
|
||||
|
||||
static void statlist (LexState *ls) {
|
||||
/* statlist -> { stat [`;'] } */
|
||||
/* statlist -> { stat [';'] } */
|
||||
while (!block_follow(ls, 1)) {
|
||||
if (ls->t.token == TK_RETURN) {
|
||||
statement(ls);
|
||||
|
@ -633,14 +635,14 @@ static void yindex (LexState *ls, expdesc *v) {
|
|||
struct ConsControl {
|
||||
expdesc v; /* last list item read */
|
||||
expdesc *t; /* table descriptor */
|
||||
int nh; /* total number of `record' elements */
|
||||
int nh; /* total number of 'record' elements */
|
||||
int na; /* total number of array elements */
|
||||
int tostore; /* number of array elements pending to be stored */
|
||||
};
|
||||
|
||||
|
||||
static void recfield (LexState *ls, struct ConsControl *cc) {
|
||||
/* recfield -> (NAME | `['exp1`]') = exp1 */
|
||||
/* recfield -> (NAME | '['exp1']') = exp1 */
|
||||
FuncState *fs = ls->fs;
|
||||
int reg = ls->fs->freereg;
|
||||
expdesc key, val;
|
||||
|
@ -747,12 +749,12 @@ static void constructor (LexState *ls, expdesc *t) {
|
|||
|
||||
|
||||
static void parlist (LexState *ls) {
|
||||
/* parlist -> [ param { `,' param } ] */
|
||||
/* parlist -> [ param { ',' param } ] */
|
||||
FuncState *fs = ls->fs;
|
||||
Proto *f = fs->f;
|
||||
int nparams = 0;
|
||||
f->is_vararg = 0;
|
||||
if (ls->t.token != ')') { /* is `parlist' not empty? */
|
||||
if (ls->t.token != ')') { /* is 'parlist' not empty? */
|
||||
do {
|
||||
switch (ls->t.token) {
|
||||
case TK_NAME: { /* param -> NAME */
|
||||
|
@ -760,12 +762,12 @@ static void parlist (LexState *ls) {
|
|||
nparams++;
|
||||
break;
|
||||
}
|
||||
case TK_DOTS: { /* param -> `...' */
|
||||
case TK_DOTS: { /* param -> '...' */
|
||||
luaX_next(ls);
|
||||
f->is_vararg = 1;
|
||||
break;
|
||||
}
|
||||
default: luaX_syntaxerror(ls, "<name> or " LUA_QL("...") " expected");
|
||||
default: luaX_syntaxerror(ls, "<name> or '...' expected");
|
||||
}
|
||||
} while (!f->is_vararg && testnext(ls, ','));
|
||||
}
|
||||
|
@ -776,7 +778,7 @@ static void parlist (LexState *ls) {
|
|||
|
||||
|
||||
static void body (LexState *ls, expdesc *e, int ismethod, int line) {
|
||||
/* body -> `(' parlist `)' block END */
|
||||
/* body -> '(' parlist ')' block END */
|
||||
FuncState new_fs;
|
||||
BlockCnt bl;
|
||||
new_fs.f = addprototype(ls);
|
||||
|
@ -798,7 +800,7 @@ static void body (LexState *ls, expdesc *e, int ismethod, int line) {
|
|||
|
||||
|
||||
static int explist (LexState *ls, expdesc *v) {
|
||||
/* explist -> expr { `,' expr } */
|
||||
/* explist -> expr { ',' expr } */
|
||||
int n = 1; /* at least one expression */
|
||||
expr(ls, v);
|
||||
while (testnext(ls, ',')) {
|
||||
|
@ -815,7 +817,7 @@ static void funcargs (LexState *ls, expdesc *f, int line) {
|
|||
expdesc args;
|
||||
int base, nparams;
|
||||
switch (ls->t.token) {
|
||||
case '(': { /* funcargs -> `(' [ explist ] `)' */
|
||||
case '(': { /* funcargs -> '(' [ explist ] ')' */
|
||||
luaX_next(ls);
|
||||
if (ls->t.token == ')') /* arg list is empty? */
|
||||
args.k = VVOID;
|
||||
|
@ -832,7 +834,7 @@ static void funcargs (LexState *ls, expdesc *f, int line) {
|
|||
}
|
||||
case TK_STRING: { /* funcargs -> STRING */
|
||||
codestring(ls, &args, ls->t.seminfo.ts);
|
||||
luaX_next(ls); /* must use `seminfo' before `next' */
|
||||
luaX_next(ls); /* must use 'seminfo' before 'next' */
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
|
@ -898,14 +900,14 @@ static void suffixedexp (LexState *ls, expdesc *v) {
|
|||
fieldsel(ls, v);
|
||||
break;
|
||||
}
|
||||
case '[': { /* `[' exp1 `]' */
|
||||
case '[': { /* '[' exp1 ']' */
|
||||
expdesc key;
|
||||
luaK_exp2anyregup(fs, v);
|
||||
yindex(ls, &key);
|
||||
luaK_indexed(fs, v, &key);
|
||||
break;
|
||||
}
|
||||
case ':': { /* `:' NAME funcargs */
|
||||
case ':': { /* ':' NAME funcargs */
|
||||
expdesc key;
|
||||
luaX_next(ls);
|
||||
checkname(ls, &key);
|
||||
|
@ -959,7 +961,7 @@ static void simpleexp (LexState *ls, expdesc *v) {
|
|||
case TK_DOTS: { /* vararg */
|
||||
FuncState *fs = ls->fs;
|
||||
check_condition(ls, fs->f->is_vararg,
|
||||
"cannot use " LUA_QL("...") " outside a vararg function");
|
||||
"cannot use '...' outside a vararg function");
|
||||
init_exp(v, VVARARG, luaK_codeABC(fs, OP_VARARG, 0, 1, 0));
|
||||
break;
|
||||
}
|
||||
|
@ -1045,7 +1047,7 @@ static const struct {
|
|||
|
||||
/*
|
||||
** subexpr -> (simpleexp | unop subexpr) { binop subexpr }
|
||||
** where `binop' is any binary operator with a priority higher than `limit'
|
||||
** where 'binop' is any binary operator with a priority higher than 'limit'
|
||||
*/
|
||||
static BinOpr subexpr (LexState *ls, expdesc *v, int limit) {
|
||||
BinOpr op;
|
||||
|
@ -1059,7 +1061,7 @@ static BinOpr subexpr (LexState *ls, expdesc *v, int limit) {
|
|||
luaK_prefix(ls->fs, uop, v, line);
|
||||
}
|
||||
else simpleexp(ls, v);
|
||||
/* expand while operators have priorities higher than `limit' */
|
||||
/* expand while operators have priorities higher than 'limit' */
|
||||
op = getbinopr(ls->t.token);
|
||||
while (op != OPR_NOBINOPR && priority[op].left > limit) {
|
||||
expdesc v2;
|
||||
|
@ -1159,7 +1161,7 @@ static void assignment (LexState *ls, struct LHS_assign *lh, int nvars) {
|
|||
"C levels");
|
||||
assignment(ls, &nv, nvars+1);
|
||||
}
|
||||
else { /* assignment -> `=' explist */
|
||||
else { /* assignment -> '=' explist */
|
||||
int nexps;
|
||||
checknext(ls, '=');
|
||||
nexps = explist(ls, &e);
|
||||
|
@ -1183,7 +1185,7 @@ static int cond (LexState *ls) {
|
|||
/* cond -> exp */
|
||||
expdesc v;
|
||||
expr(ls, &v); /* read condition */
|
||||
if (v.k == VNIL) v.k = VFALSE; /* `falses' are all equal here */
|
||||
if (v.k == VNIL) v.k = VFALSE; /* 'falses' are all equal here */
|
||||
luaK_goiftrue(ls->fs, &v);
|
||||
return v.f;
|
||||
}
|
||||
|
@ -1210,7 +1212,7 @@ static void checkrepeated (FuncState *fs, Labellist *ll, TString *label) {
|
|||
for (i = fs->bl->firstlabel; i < ll->n; i++) {
|
||||
if (eqstr(label, ll->arr[i].name)) {
|
||||
const char *msg = luaO_pushfstring(fs->ls->L,
|
||||
"label " LUA_QS " already defined on line %d",
|
||||
"label '%s' already defined on line %d",
|
||||
getstr(label), ll->arr[i].line);
|
||||
semerror(fs->ls, msg);
|
||||
}
|
||||
|
@ -1372,15 +1374,15 @@ static void forstat (LexState *ls, int line) {
|
|||
TString *varname;
|
||||
BlockCnt bl;
|
||||
enterblock(fs, &bl, 1); /* scope for loop and control variables */
|
||||
luaX_next(ls); /* skip `for' */
|
||||
luaX_next(ls); /* skip 'for' */
|
||||
varname = str_checkname(ls); /* first variable name */
|
||||
switch (ls->t.token) {
|
||||
case '=': fornum(ls, varname, line); break;
|
||||
case ',': case TK_IN: forlist(ls, varname); break;
|
||||
default: luaX_syntaxerror(ls, LUA_QL("=") " or " LUA_QL("in") " expected");
|
||||
default: luaX_syntaxerror(ls, "'=' or 'in' expected");
|
||||
}
|
||||
check_match(ls, TK_END, TK_FOR, line);
|
||||
leaveblock(fs); /* loop scope (`break' jumps to this point) */
|
||||
leaveblock(fs); /* loop scope ('break' jumps to this point) */
|
||||
}
|
||||
|
||||
|
||||
|
@ -1410,7 +1412,7 @@ static void test_then_block (LexState *ls, int *escapelist) {
|
|||
enterblock(fs, &bl, 0);
|
||||
jf = v.f;
|
||||
}
|
||||
statlist(ls); /* `then' part */
|
||||
statlist(ls); /* 'then' part */
|
||||
leaveblock(fs);
|
||||
if (ls->t.token == TK_ELSE ||
|
||||
ls->t.token == TK_ELSEIF) /* followed by 'else'/'elseif'? */
|
||||
|
@ -1427,7 +1429,7 @@ static void ifstat (LexState *ls, int line) {
|
|||
while (ls->t.token == TK_ELSEIF)
|
||||
test_then_block(ls, &escapelist); /* ELSEIF cond THEN block */
|
||||
if (testnext(ls, TK_ELSE))
|
||||
block(ls); /* `else' part */
|
||||
block(ls); /* 'else' part */
|
||||
check_match(ls, TK_END, TK_IF, line);
|
||||
luaK_patchtohere(fs, escapelist); /* patch escape list to 'if' end */
|
||||
}
|
||||
|
@ -1445,7 +1447,7 @@ static void localfunc (LexState *ls) {
|
|||
|
||||
|
||||
static void localstat (LexState *ls) {
|
||||
/* stat -> LOCAL NAME {`,' NAME} [`=' explist] */
|
||||
/* stat -> LOCAL NAME {',' NAME} ['=' explist] */
|
||||
int nvars = 0;
|
||||
int nexps;
|
||||
expdesc e;
|
||||
|
@ -1465,7 +1467,7 @@ static void localstat (LexState *ls) {
|
|||
|
||||
|
||||
static int funcname (LexState *ls, expdesc *v) {
|
||||
/* funcname -> NAME {fieldsel} [`:' NAME] */
|
||||
/* funcname -> NAME {fieldsel} [':' NAME] */
|
||||
int ismethod = 0;
|
||||
singlevar(ls, v);
|
||||
while (ls->t.token == '.')
|
||||
|
@ -1486,7 +1488,7 @@ static void funcstat (LexState *ls, int line) {
|
|||
ismethod = funcname(ls, &v);
|
||||
body(ls, &b, ismethod, line);
|
||||
luaK_storevar(ls->fs, &v, &b);
|
||||
luaK_fixline(ls->fs, line); /* definition `happens' in the first line */
|
||||
luaK_fixline(ls->fs, line); /* definition "happens" in the first line */
|
||||
}
|
||||
|
||||
|
||||
|
@ -1528,8 +1530,8 @@ static void retstat (LexState *ls) {
|
|||
if (nret == 1) /* only one single value? */
|
||||
first = luaK_exp2anyreg(fs, &e);
|
||||
else {
|
||||
luaK_exp2nextreg(fs, &e); /* values must go to the `stack' */
|
||||
first = fs->nactvar; /* return all `active' values */
|
||||
luaK_exp2nextreg(fs, &e); /* values must go to the stack */
|
||||
first = fs->nactvar; /* return all active values */
|
||||
lua_assert(nret == fs->freereg - first);
|
||||
}
|
||||
}
|
||||
|
@ -1640,7 +1642,7 @@ LClosure *luaY_parser (lua_State *L, ZIO *z, Mbuffer *buff,
|
|||
incr_top(L);
|
||||
funcstate.f = cl->p = luaF_newproto(L);
|
||||
funcstate.f->source = luaS_new(L, name); /* create and anchor TString */
|
||||
luaC_objbarrier(L, funcstate.f, funcstate.f->source);
|
||||
lua_assert(iswhite(funcstate.f)); /* do not need barrier here */
|
||||
lexstate.buff = buff;
|
||||
lexstate.dyd = dyd;
|
||||
dyd->actvar.n = dyd->gt.n = dyd->label.n = 0;
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: lparser.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lparser.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lparser.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lparser.h,v 1.74 2014/10/25 11:50:46 roberto Exp
|
||||
** Lua Parser
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -23,7 +23,7 @@ typedef enum {
|
|||
VNIL,
|
||||
VTRUE,
|
||||
VFALSE,
|
||||
VK, /* info = index of constant in `k' */
|
||||
VK, /* info = index of constant in 'k' */
|
||||
#ifndef _KERNEL
|
||||
VKFLT, /* nval = numerical float value */
|
||||
#endif
|
||||
|
@ -56,8 +56,8 @@ typedef struct expdesc {
|
|||
#endif
|
||||
lua_Integer ival; /* for VKINT */
|
||||
} u;
|
||||
int t; /* patch list of `exit when true' */
|
||||
int f; /* patch list of `exit when false' */
|
||||
int t; /* patch list of 'exit when true' */
|
||||
int f; /* patch list of 'exit when false' */
|
||||
} expdesc;
|
||||
|
||||
|
||||
|
@ -106,11 +106,11 @@ typedef struct FuncState {
|
|||
struct FuncState *prev; /* enclosing function */
|
||||
struct LexState *ls; /* lexical state */
|
||||
struct BlockCnt *bl; /* chain of current blocks */
|
||||
int pc; /* next position to code (equivalent to `ncode') */
|
||||
int pc; /* next position to code (equivalent to 'ncode') */
|
||||
int lasttarget; /* 'label' of last 'jump label' */
|
||||
int jpc; /* list of pending jumps to `pc' */
|
||||
int nk; /* number of elements in `k' */
|
||||
int np; /* number of elements in `p' */
|
||||
int jpc; /* list of pending jumps to 'pc' */
|
||||
int nk; /* number of elements in 'k' */
|
||||
int np; /* number of elements in 'p' */
|
||||
int firstlocal; /* index of first local var (in Dyndata array) */
|
||||
short nlocvars; /* number of elements in 'f->locvars' */
|
||||
lu_byte nactvar; /* number of active local variables */
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: lprefix.h,v 1.1.1.1 2015/02/02 02:01:13 lneto Exp $ */
|
||||
/* $NetBSD: lprefix.h,v 1.2 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** Id: lprefix.h,v 1.2 2014/12/29 16:54:13 roberto Exp
|
||||
|
@ -10,6 +10,7 @@
|
|||
#define lprefix_h
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
/*
|
||||
** Allows POSIX/XSI stuff
|
||||
*/
|
||||
|
@ -30,6 +31,7 @@
|
|||
#endif
|
||||
|
||||
#endif /* } */
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
|
|
|
@ -1,20 +1,22 @@
|
|||
/* $NetBSD: lstate.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lstate.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lstate.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lstate.c,v 2.127 2014/11/02 19:33:33 roberto Exp
|
||||
** Global State
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lstate_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stddef.h>
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lstate_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lapi.h"
|
||||
|
@ -57,9 +59,7 @@
|
|||
** thread state + extra space
|
||||
*/
|
||||
typedef struct LX {
|
||||
#if defined(LUAI_EXTRASPACE)
|
||||
char buff[LUAI_EXTRASPACE];
|
||||
#endif
|
||||
lu_byte extra_[LUA_EXTRASPACE];
|
||||
lua_State l;
|
||||
} LX;
|
||||
|
||||
|
@ -78,9 +78,8 @@ typedef struct LG {
|
|||
|
||||
|
||||
/*
|
||||
** Compute an initial seed as random as possible. In ANSI, rely on
|
||||
** Address Space Layout Randomization (if present) to increase
|
||||
** randomness..
|
||||
** Compute an initial seed as random as possible. Rely on Address Space
|
||||
** Layout Randomization (if present) to increase randomness..
|
||||
*/
|
||||
#define addbuff(b,p,e) \
|
||||
{ size_t t = cast(size_t, e); \
|
||||
|
@ -256,7 +255,7 @@ static void close_state (lua_State *L) {
|
|||
|
||||
|
||||
LUA_API lua_State *lua_newthread (lua_State *L) {
|
||||
global_State *g = G(L);
|
||||
global_State *g = G(L);
|
||||
lua_State *L1;
|
||||
lua_lock(L);
|
||||
luaC_checkGC(L);
|
||||
|
@ -267,6 +266,7 @@ LUA_API lua_State *lua_newthread (lua_State *L) {
|
|||
/* link it on list 'allgc' */
|
||||
L1->next = g->allgc;
|
||||
g->allgc = obj2gco(L1);
|
||||
/* anchor it on L stack */
|
||||
setthvalue(L, L->top, L1);
|
||||
api_incr_top(L);
|
||||
preinit_thread(L1, g);
|
||||
|
@ -274,6 +274,9 @@ LUA_API lua_State *lua_newthread (lua_State *L) {
|
|||
L1->basehookcount = L->basehookcount;
|
||||
L1->hook = L->hook;
|
||||
resethookcount(L1);
|
||||
/* initialize L1 extra space */
|
||||
memcpy(lua_getextraspace(L1), lua_getextraspace(g->mainthread),
|
||||
LUA_EXTRASPACE);
|
||||
luai_userstatethread(L, L1);
|
||||
stack_init(L1, L); /* init stack */
|
||||
lua_unlock(L);
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: lstate.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lstate.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: lstate.h,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Global State
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -23,10 +21,10 @@
|
|||
** belong to one (and only one) of these lists, using field 'next' of
|
||||
** the 'CommonHeader' for the link:
|
||||
**
|
||||
** allgc: all objects not marked for finalization;
|
||||
** finobj: all objects marked for finalization;
|
||||
** tobefnz: all objects ready to be finalized;
|
||||
** fixedgc: all objects that are not to be collected (currently
|
||||
** 'allgc': all objects not marked for finalization;
|
||||
** 'finobj': all objects marked for finalization;
|
||||
** 'tobefnz': all objects ready to be finalized;
|
||||
** 'fixedgc': all objects that are not to be collected (currently
|
||||
** only small strings, such as reserved words).
|
||||
|
||||
*/
|
||||
|
@ -56,15 +54,18 @@ typedef struct stringtable {
|
|||
|
||||
|
||||
/*
|
||||
** information about a call
|
||||
** Information about a call.
|
||||
** When a thread yields, 'func' is adjusted to pretend that the
|
||||
** top function has only the yielded values in its stack; in that
|
||||
** case, the actual 'func' value is saved in field 'extra'.
|
||||
** When a function calls another with a continuation, 'extra' keeps
|
||||
** the function index so that, in case of errors, the continuation
|
||||
** function can be called with the correct top.
|
||||
*/
|
||||
typedef struct CallInfo {
|
||||
StkId func; /* function index in the stack */
|
||||
StkId top; /* top for this function */
|
||||
struct CallInfo *previous, *next; /* dynamic call link */
|
||||
ptrdiff_t extra;
|
||||
short nresults; /* expected number of results from this function */
|
||||
lu_byte callstatus;
|
||||
union {
|
||||
struct { /* only for Lua functions */
|
||||
StkId base; /* base for this function */
|
||||
|
@ -73,9 +74,12 @@ typedef struct CallInfo {
|
|||
struct { /* only for C functions */
|
||||
lua_KFunction k; /* continuation in case of yields */
|
||||
ptrdiff_t old_errfunc;
|
||||
int ctx; /* context info. in case of yields */
|
||||
lua_KContext ctx; /* context info. in case of yields */
|
||||
} c;
|
||||
} u;
|
||||
ptrdiff_t extra;
|
||||
short nresults; /* expected number of results from this function */
|
||||
lu_byte callstatus;
|
||||
} CallInfo;
|
||||
|
||||
|
||||
|
@ -99,11 +103,11 @@ typedef struct CallInfo {
|
|||
|
||||
|
||||
/*
|
||||
** `global state', shared by all threads of this state
|
||||
** 'global state', shared by all threads of this state
|
||||
*/
|
||||
typedef struct global_State {
|
||||
lua_Alloc frealloc; /* function to reallocate memory */
|
||||
void *ud; /* auxiliary data to `frealloc' */
|
||||
void *ud; /* auxiliary data to 'frealloc' */
|
||||
lu_mem totalbytes; /* number of bytes currently allocated - GCdebt */
|
||||
l_mem GCdebt; /* bytes allocated not yet compensated by the collector */
|
||||
lu_mem GCmemtrav; /* memory traversed by the GC */
|
||||
|
@ -129,7 +133,7 @@ typedef struct global_State {
|
|||
Mbuffer buff; /* temporary buffer for string concatenation */
|
||||
unsigned int gcfinnum; /* number of finalizers to call in each GC step */
|
||||
int gcpause; /* size of pause between successive GCs */
|
||||
int gcstepmul; /* GC `granularity' */
|
||||
int gcstepmul; /* GC 'granularity' */
|
||||
lua_CFunction panic; /* to be called in unprotected errors */
|
||||
struct lua_State *mainthread;
|
||||
const lua_Number *version; /* pointer to version number */
|
||||
|
@ -140,7 +144,7 @@ typedef struct global_State {
|
|||
|
||||
|
||||
/*
|
||||
** `per thread' state
|
||||
** 'per thread' state
|
||||
*/
|
||||
struct lua_State {
|
||||
CommonHeader;
|
||||
|
@ -151,20 +155,20 @@ struct lua_State {
|
|||
const Instruction *oldpc; /* last pc traced */
|
||||
StkId stack_last; /* last free slot in the stack */
|
||||
StkId stack; /* stack base */
|
||||
int stacksize;
|
||||
unsigned short nny; /* number of non-yieldable calls in stack */
|
||||
unsigned short nCcalls; /* number of nested C calls */
|
||||
lu_byte hookmask;
|
||||
lu_byte allowhook;
|
||||
int basehookcount;
|
||||
int hookcount;
|
||||
lua_Hook hook;
|
||||
UpVal *openupval; /* list of open upvalues in this stack */
|
||||
GCObject *gclist;
|
||||
struct lua_State *twups; /* list of threads with open upvalues */
|
||||
struct lua_longjmp *errorJmp; /* current error recover point */
|
||||
ptrdiff_t errfunc; /* current error handling function (stack index) */
|
||||
CallInfo base_ci; /* CallInfo for first level (C calling Lua) */
|
||||
lua_Hook hook;
|
||||
ptrdiff_t errfunc; /* current error handling function (stack index) */
|
||||
int stacksize;
|
||||
int basehookcount;
|
||||
int hookcount;
|
||||
unsigned short nny; /* number of non-yieldable calls in stack */
|
||||
unsigned short nCcalls; /* number of nested C calls */
|
||||
lu_byte hookmask;
|
||||
lu_byte allowhook;
|
||||
};
|
||||
|
||||
|
||||
|
@ -172,12 +176,12 @@ struct lua_State {
|
|||
|
||||
|
||||
/*
|
||||
** Union of all collectable objects
|
||||
** Union of all collectable objects (only for conversions)
|
||||
*/
|
||||
union GCObject {
|
||||
GCheader gch; /* common header */
|
||||
union TString ts;
|
||||
union Udata u;
|
||||
union GCUnion {
|
||||
GCObject gc; /* common header */
|
||||
struct TString ts;
|
||||
struct Udata u;
|
||||
union Closure cl;
|
||||
struct Table h;
|
||||
struct Proto p;
|
||||
|
@ -185,24 +189,24 @@ union GCObject {
|
|||
};
|
||||
|
||||
|
||||
#define gch(o) (&(o)->gch)
|
||||
#define cast_u(o) cast(union GCUnion *, (o))
|
||||
|
||||
/* macros to convert a GCObject into a specific value */
|
||||
#define rawgco2ts(o) \
|
||||
check_exp(novariant((o)->gch.tt) == LUA_TSTRING, &((o)->ts))
|
||||
#define gco2ts(o) (&rawgco2ts(o)->tsv)
|
||||
#define rawgco2u(o) check_exp((o)->gch.tt == LUA_TUSERDATA, &((o)->u))
|
||||
#define gco2u(o) (&rawgco2u(o)->uv)
|
||||
#define gco2lcl(o) check_exp((o)->gch.tt == LUA_TLCL, &((o)->cl.l))
|
||||
#define gco2ccl(o) check_exp((o)->gch.tt == LUA_TCCL, &((o)->cl.c))
|
||||
#define gco2ts(o) \
|
||||
check_exp(novariant((o)->tt) == LUA_TSTRING, &((cast_u(o))->ts))
|
||||
#define gco2u(o) check_exp((o)->tt == LUA_TUSERDATA, &((cast_u(o))->u))
|
||||
#define gco2lcl(o) check_exp((o)->tt == LUA_TLCL, &((cast_u(o))->cl.l))
|
||||
#define gco2ccl(o) check_exp((o)->tt == LUA_TCCL, &((cast_u(o))->cl.c))
|
||||
#define gco2cl(o) \
|
||||
check_exp(novariant((o)->gch.tt) == LUA_TFUNCTION, &((o)->cl))
|
||||
#define gco2t(o) check_exp((o)->gch.tt == LUA_TTABLE, &((o)->h))
|
||||
#define gco2p(o) check_exp((o)->gch.tt == LUA_TPROTO, &((o)->p))
|
||||
#define gco2th(o) check_exp((o)->gch.tt == LUA_TTHREAD, &((o)->th))
|
||||
check_exp(novariant((o)->tt) == LUA_TFUNCTION, &((cast_u(o))->cl))
|
||||
#define gco2t(o) check_exp((o)->tt == LUA_TTABLE, &((cast_u(o))->h))
|
||||
#define gco2p(o) check_exp((o)->tt == LUA_TPROTO, &((cast_u(o))->p))
|
||||
#define gco2th(o) check_exp((o)->tt == LUA_TTHREAD, &((cast_u(o))->th))
|
||||
|
||||
/* macro to convert any Lua object into a GCObject */
|
||||
#define obj2gco(v) (cast(GCObject *, (v)))
|
||||
|
||||
/* macro to convert a Lua object into a GCObject */
|
||||
#define obj2gco(v) \
|
||||
check_exp(novariant((v)->tt) < LUA_TDEADKEY, (&(cast_u(v)->gc)))
|
||||
|
||||
|
||||
/* actual number of total bytes allocated */
|
||||
|
|
|
@ -1,19 +1,21 @@
|
|||
/* $NetBSD: lstring.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lstring.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lstring.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lstring.c,v 2.45 2014/11/02 19:19:04 roberto Exp
|
||||
** String table (keeps all strings handled by Lua)
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lstring_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lstring_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "ldebug.h"
|
||||
|
@ -38,10 +40,10 @@
|
|||
** equality for long strings
|
||||
*/
|
||||
int luaS_eqlngstr (TString *a, TString *b) {
|
||||
size_t len = a->tsv.len;
|
||||
lua_assert(a->tsv.tt == LUA_TLNGSTR && b->tsv.tt == LUA_TLNGSTR);
|
||||
size_t len = a->len;
|
||||
lua_assert(a->tt == LUA_TLNGSTR && b->tt == LUA_TLNGSTR);
|
||||
return (a == b) || /* same instance or... */
|
||||
((len == b->tsv.len) && /* equal length and ... */
|
||||
((len == b->len) && /* equal length and ... */
|
||||
(memcmp(getstr(a), getstr(b), len) == 0)); /* equal contents */
|
||||
}
|
||||
|
||||
|
@ -71,9 +73,9 @@ void luaS_resize (lua_State *L, int newsize) {
|
|||
TString *p = tb->hash[i];
|
||||
tb->hash[i] = NULL;
|
||||
while (p) { /* for each node in the list */
|
||||
TString *hnext = p->tsv.hnext; /* save next */
|
||||
unsigned int h = lmod(p->tsv.hash, newsize); /* new position */
|
||||
p->tsv.hnext = tb->hash[h]; /* chain it */
|
||||
TString *hnext = p->hnext; /* save next */
|
||||
unsigned int h = lmod(p->hash, newsize); /* new position */
|
||||
p->hnext = tb->hash[h]; /* chain it */
|
||||
tb->hash[h] = p;
|
||||
p = hnext;
|
||||
}
|
||||
|
@ -96,24 +98,24 @@ static TString *createstrobj (lua_State *L, const char *str, size_t l,
|
|||
TString *ts;
|
||||
GCObject *o;
|
||||
size_t totalsize; /* total size of TString object */
|
||||
totalsize = sizeof(TString) + ((l + 1) * sizeof(char));
|
||||
totalsize = sizelstring(l);
|
||||
o = luaC_newobj(L, tag, totalsize);
|
||||
ts = rawgco2ts(o);
|
||||
ts->tsv.len = l;
|
||||
ts->tsv.hash = h;
|
||||
ts->tsv.extra = 0;
|
||||
memcpy(ts+1, str, l*sizeof(char));
|
||||
((char *)(ts+1))[l] = '\0'; /* ending 0 */
|
||||
ts = gco2ts(o);
|
||||
ts->len = l;
|
||||
ts->hash = h;
|
||||
ts->extra = 0;
|
||||
memcpy(getaddrstr(ts), str, l * sizeof(char));
|
||||
getaddrstr(ts)[l] = '\0'; /* ending 0 */
|
||||
return ts;
|
||||
}
|
||||
|
||||
|
||||
void luaS_remove (lua_State *L, TString *ts) {
|
||||
stringtable *tb = &G(L)->strt;
|
||||
TString **p = &tb->hash[lmod(ts->tsv.hash, tb->size)];
|
||||
TString **p = &tb->hash[lmod(ts->hash, tb->size)];
|
||||
while (*p != ts) /* find previous element */
|
||||
p = &(*p)->tsv.hnext;
|
||||
*p = (*p)->tsv.hnext; /* remove element from its list */
|
||||
p = &(*p)->hnext;
|
||||
*p = (*p)->hnext; /* remove element from its list */
|
||||
tb->nuse--;
|
||||
}
|
||||
|
||||
|
@ -126,12 +128,12 @@ static TString *internshrstr (lua_State *L, const char *str, size_t l) {
|
|||
global_State *g = G(L);
|
||||
unsigned int h = luaS_hash(str, l, g->seed);
|
||||
TString **list = &g->strt.hash[lmod(h, g->strt.size)];
|
||||
for (ts = *list; ts != NULL; ts = ts->tsv.hnext) {
|
||||
if (l == ts->tsv.len &&
|
||||
for (ts = *list; ts != NULL; ts = ts->hnext) {
|
||||
if (l == ts->len &&
|
||||
(memcmp(str, getstr(ts), l * sizeof(char)) == 0)) {
|
||||
/* found! */
|
||||
if (isdead(g, obj2gco(ts))) /* dead (but not collected yet)? */
|
||||
changewhite(obj2gco(ts)); /* resurrect it */
|
||||
if (isdead(g, ts)) /* dead (but not collected yet)? */
|
||||
changewhite(ts); /* resurrect it */
|
||||
return ts;
|
||||
}
|
||||
}
|
||||
|
@ -140,7 +142,7 @@ static TString *internshrstr (lua_State *L, const char *str, size_t l) {
|
|||
list = &g->strt.hash[lmod(h, g->strt.size)]; /* recompute with new size */
|
||||
}
|
||||
ts = createstrobj(L, str, l, LUA_TSHRSTR, h);
|
||||
ts->tsv.hnext = *list;
|
||||
ts->hnext = *list;
|
||||
*list = ts;
|
||||
g->strt.nuse++;
|
||||
return ts;
|
||||
|
@ -174,10 +176,10 @@ Udata *luaS_newudata (lua_State *L, size_t s) {
|
|||
GCObject *o;
|
||||
if (s > MAX_SIZE - sizeof(Udata))
|
||||
luaM_toobig(L);
|
||||
o = luaC_newobj(L, LUA_TUSERDATA, sizeof(Udata) + s);
|
||||
u = rawgco2u(o);
|
||||
u->uv.len = s;
|
||||
u->uv.metatable = NULL;
|
||||
o = luaC_newobj(L, LUA_TUSERDATA, sizeludata(s));
|
||||
u = gco2u(o);
|
||||
u->len = s;
|
||||
u->metatable = NULL;
|
||||
setuservalue(L, u, luaO_nilobject);
|
||||
return u;
|
||||
}
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: lstring.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lstring.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: lstring.h,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** String table (keep all strings handled by Lua)
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -14,9 +12,11 @@
|
|||
#include "lstate.h"
|
||||
|
||||
|
||||
#define sizestring(s) (sizeof(union TString)+((s)->len+1)*sizeof(char))
|
||||
#define sizelstring(l) (sizeof(union UTString) + ((l) + 1) * sizeof(char))
|
||||
#define sizestring(s) sizelstring((s)->len)
|
||||
|
||||
#define sizeudata(u) (sizeof(union Udata)+(u)->len)
|
||||
#define sizeludata(l) (sizeof(union UUdata) + (l))
|
||||
#define sizeudata(u) sizeludata((u)->len)
|
||||
|
||||
#define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \
|
||||
(sizeof(s)/sizeof(char))-1))
|
||||
|
@ -25,13 +25,13 @@
|
|||
/*
|
||||
** test whether a string is a reserved word
|
||||
*/
|
||||
#define isreserved(s) ((s)->tsv.tt == LUA_TSHRSTR && (s)->tsv.extra > 0)
|
||||
#define isreserved(s) ((s)->tt == LUA_TSHRSTR && (s)->extra > 0)
|
||||
|
||||
|
||||
/*
|
||||
** equality for short strings, which are always internalized
|
||||
*/
|
||||
#define eqshrstr(a,b) check_exp((a)->tsv.tt == LUA_TSHRSTR, (a) == (b))
|
||||
#define eqshrstr(a,b) check_exp((a)->tt == LUA_TSHRSTR, (a) == (b))
|
||||
|
||||
|
||||
LUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed);
|
||||
|
|
|
@ -1,11 +1,16 @@
|
|||
/* $NetBSD: lstrlib.c,v 1.5 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lstrlib.c,v 1.6 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lstrlib.c,v 1.5 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lstrlib.c,v 1.221 2014/12/11 14:03:07 roberto Exp
|
||||
** Standard library for string operations and pattern-matching
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lstrlib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <ctype.h>
|
||||
|
@ -16,9 +21,6 @@
|
|||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lstrlib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
|
@ -34,10 +36,19 @@
|
|||
#endif
|
||||
|
||||
|
||||
/* macro to `unsign' a character */
|
||||
/* macro to 'unsign' a character */
|
||||
#define uchar(c) ((unsigned char)(c))
|
||||
|
||||
|
||||
/*
|
||||
** Some sizes are better limited to fit in 'int', but must also fit in
|
||||
** 'size_t'. (We assume that 'lua_Integer' cannot be smaller than 'int'.)
|
||||
*/
|
||||
#define MAXSIZE \
|
||||
(sizeof(size_t) < sizeof(int) ? (~(size_t)0) : (size_t)(INT_MAX))
|
||||
|
||||
|
||||
|
||||
|
||||
static int str_len (lua_State *L) {
|
||||
size_t l;
|
||||
|
@ -63,7 +74,7 @@ static int str_sub (lua_State *L) {
|
|||
if (start < 1) start = 1;
|
||||
if (end > (lua_Integer)l) end = l;
|
||||
if (start <= end)
|
||||
lua_pushlstring(L, s + start - 1, end - start + 1);
|
||||
lua_pushlstring(L, s + start - 1, (size_t)(end - start + 1));
|
||||
else lua_pushliteral(L, "");
|
||||
return 1;
|
||||
}
|
||||
|
@ -107,13 +118,6 @@ static int str_upper (lua_State *L) {
|
|||
}
|
||||
|
||||
|
||||
/* reasonable limit to avoid arithmetic overflow and strings too big */
|
||||
#if LUA_MAXINTEGER / 2 <= 0x10000000
|
||||
#define MAXSIZE ((size_t)(LUA_MAXINTEGER / 2))
|
||||
#else
|
||||
#define MAXSIZE ((size_t)0x10000000)
|
||||
#endif
|
||||
|
||||
static int str_rep (lua_State *L) {
|
||||
size_t l, lsep;
|
||||
const char *s = luaL_checklstring(L, 1, &l);
|
||||
|
@ -123,7 +127,7 @@ static int str_rep (lua_State *L) {
|
|||
else if (l + lsep < l || l + lsep > MAXSIZE / n) /* may overflow? */
|
||||
return luaL_error(L, "resulting string too large");
|
||||
else {
|
||||
size_t totallen = n * l + (n - 1) * lsep;
|
||||
size_t totallen = (size_t)n * l + (size_t)(n - 1) * lsep;
|
||||
luaL_Buffer b;
|
||||
char *p = luaL_buffinitsize(L, &b, totallen);
|
||||
while (n-- > 1) { /* first n-1 copies (followed by separator) */
|
||||
|
@ -254,16 +258,16 @@ static const char *classend (MatchState *ms, const char *p) {
|
|||
switch (*p++) {
|
||||
case L_ESC: {
|
||||
if (p == ms->p_end)
|
||||
luaL_error(ms->L, "malformed pattern (ends with " LUA_QL("%%") ")");
|
||||
luaL_error(ms->L, "malformed pattern (ends with '%%')");
|
||||
return p+1;
|
||||
}
|
||||
case '[': {
|
||||
if (*p == '^') p++;
|
||||
do { /* look for a `]' */
|
||||
do { /* look for a ']' */
|
||||
if (p == ms->p_end)
|
||||
luaL_error(ms->L, "malformed pattern (missing " LUA_QL("]") ")");
|
||||
luaL_error(ms->L, "malformed pattern (missing ']')");
|
||||
if (*(p++) == L_ESC && p < ms->p_end)
|
||||
p++; /* skip escapes (e.g. `%]') */
|
||||
p++; /* skip escapes (e.g. '%]') */
|
||||
} while (*p != ']');
|
||||
return p+1;
|
||||
}
|
||||
|
@ -298,7 +302,7 @@ static int matchbracketclass (int c, const char *p, const char *ec) {
|
|||
int sig = 1;
|
||||
if (*(p+1) == '^') {
|
||||
sig = 0;
|
||||
p++; /* skip the `^' */
|
||||
p++; /* skip the '^' */
|
||||
}
|
||||
while (++p < ec) {
|
||||
if (*p == L_ESC) {
|
||||
|
@ -336,8 +340,7 @@ static int singlematch (MatchState *ms, const char *s, const char *p,
|
|||
static const char *matchbalance (MatchState *ms, const char *s,
|
||||
const char *p) {
|
||||
if (p >= ms->p_end - 1)
|
||||
luaL_error(ms->L, "malformed pattern "
|
||||
"(missing arguments to " LUA_QL("%%b") ")");
|
||||
luaL_error(ms->L, "malformed pattern (missing arguments to '%%b')");
|
||||
if (*s != *p) return NULL;
|
||||
else {
|
||||
int b = *p;
|
||||
|
@ -436,7 +439,7 @@ static const char *match (MatchState *ms, const char *s, const char *p) {
|
|||
break;
|
||||
}
|
||||
case '$': {
|
||||
if ((p + 1) != ms->p_end) /* is the `$' the last char in pattern? */
|
||||
if ((p + 1) != ms->p_end) /* is the '$' the last char in pattern? */
|
||||
goto dflt; /* no; go to default */
|
||||
s = (s == ms->src_end) ? s : NULL; /* check end of string */
|
||||
break;
|
||||
|
@ -454,8 +457,7 @@ static const char *match (MatchState *ms, const char *s, const char *p) {
|
|||
const char *ep; char previous;
|
||||
p += 2;
|
||||
if (*p != '[')
|
||||
luaL_error(ms->L, "missing " LUA_QL("[") " after "
|
||||
LUA_QL("%%f") " in pattern");
|
||||
luaL_error(ms->L, "missing '[' after '%%f' in pattern");
|
||||
ep = classend(ms, p); /* points to what is next */
|
||||
previous = (s == ms->src_init) ? '\0' : *(s - 1);
|
||||
if (!matchbracketclass(uchar(previous), p, ep - 1) &&
|
||||
|
@ -525,16 +527,16 @@ static const char *match (MatchState *ms, const char *s, const char *p) {
|
|||
static const char *lmemfind (const char *s1, size_t l1,
|
||||
const char *s2, size_t l2) {
|
||||
if (l2 == 0) return s1; /* empty strings are everywhere */
|
||||
else if (l2 > l1) return NULL; /* avoids a negative `l1' */
|
||||
else if (l2 > l1) return NULL; /* avoids a negative 'l1' */
|
||||
else {
|
||||
const char *init; /* to search for a `*s2' inside `s1' */
|
||||
l2--; /* 1st char will be checked by `memchr' */
|
||||
l1 = l1-l2; /* `s2' cannot be found after that */
|
||||
const char *init; /* to search for a '*s2' inside 's1' */
|
||||
l2--; /* 1st char will be checked by 'memchr' */
|
||||
l1 = l1-l2; /* 's2' cannot be found after that */
|
||||
while (l1 > 0 && (init = (const char *)memchr(s1, *s2, l1)) != NULL) {
|
||||
init++; /* 1st char is already checked */
|
||||
if (memcmp(init, s2+1, l2) == 0)
|
||||
return init-1;
|
||||
else { /* correct `l1' and `s1' to try again */
|
||||
else { /* correct 'l1' and 's1' to try again */
|
||||
l1 -= init-s1;
|
||||
s1 = init;
|
||||
}
|
||||
|
@ -550,7 +552,7 @@ static void push_onecapture (MatchState *ms, int i, const char *s,
|
|||
if (i == 0) /* ms->level == 0, too */
|
||||
lua_pushlstring(ms->L, s, e - s); /* add whole match */
|
||||
else
|
||||
luaL_error(ms->L, "invalid capture index");
|
||||
luaL_error(ms->L, "invalid capture index %%%d", i + 1);
|
||||
}
|
||||
else {
|
||||
ptrdiff_t l = ms->capture[i].len;
|
||||
|
@ -598,7 +600,7 @@ static int str_find_aux (lua_State *L, int find) {
|
|||
/* explicit request or no special characters? */
|
||||
if (find && (lua_toboolean(L, 4) || nospecials(p, lp))) {
|
||||
/* do a plain search */
|
||||
const char *s2 = lmemfind(s + init - 1, ls - init + 1, p, lp);
|
||||
const char *s2 = lmemfind(s + init - 1, ls - (size_t)init + 1, p, lp);
|
||||
if (s2) {
|
||||
lua_pushinteger(L, s2 - s + 1);
|
||||
lua_pushinteger(L, s2 - s + lp);
|
||||
|
@ -689,7 +691,8 @@ static int gmatch (lua_State *L) {
|
|||
static void add_s (MatchState *ms, luaL_Buffer *b, const char *s,
|
||||
const char *e) {
|
||||
size_t l, i;
|
||||
const char *news = lua_tolstring(ms->L, 3, &l);
|
||||
lua_State *L = ms->L;
|
||||
const char *news = lua_tolstring(L, 3, &l);
|
||||
for (i = 0; i < l; i++) {
|
||||
if (news[i] != L_ESC)
|
||||
luaL_addchar(b, news[i]);
|
||||
|
@ -697,14 +700,15 @@ static void add_s (MatchState *ms, luaL_Buffer *b, const char *s,
|
|||
i++; /* skip ESC */
|
||||
if (!isdigit(uchar(news[i]))) {
|
||||
if (news[i] != L_ESC)
|
||||
luaL_error(ms->L, "invalid use of " LUA_QL("%c")
|
||||
" in replacement string", L_ESC);
|
||||
luaL_error(L, "invalid use of '%c' in replacement string", L_ESC);
|
||||
luaL_addchar(b, news[i]);
|
||||
}
|
||||
else if (news[i] == '0')
|
||||
luaL_addlstring(b, s, e - s);
|
||||
else {
|
||||
push_onecapture(ms, news[i] - '1', s, e);
|
||||
luaL_tolstring(L, -1, NULL); /* if number, convert it to string */
|
||||
lua_remove(L, -2); /* remove original value */
|
||||
luaL_addvalue(b); /* add capture to accumulated result */
|
||||
}
|
||||
}
|
||||
|
@ -748,9 +752,9 @@ static int str_gsub (lua_State *L) {
|
|||
const char *src = luaL_checklstring(L, 1, &srcl);
|
||||
const char *p = luaL_checklstring(L, 2, &lp);
|
||||
int tr = lua_type(L, 3);
|
||||
size_t max_s = luaL_optinteger(L, 4, srcl+1);
|
||||
lua_Integer max_s = luaL_optinteger(L, 4, srcl + 1);
|
||||
int anchor = (*p == '^');
|
||||
size_t n = 0;
|
||||
lua_Integer n = 0;
|
||||
MatchState ms;
|
||||
luaL_Buffer b;
|
||||
luaL_argcheck(L, tr == LUA_TNUMBER || tr == LUA_TSTRING ||
|
||||
|
@ -883,7 +887,7 @@ static int str_format (lua_State *L) {
|
|||
else if (*++strfrmt == L_ESC)
|
||||
luaL_addchar(&b, *strfrmt++); /* %% */
|
||||
else { /* format item */
|
||||
char form[MAX_FORMAT]; /* to store the format (`%...') */
|
||||
char form[MAX_FORMAT]; /* to store the format ('%...') */
|
||||
char *buff = luaL_prepbuffsize(&b, MAX_ITEM); /* to put formatted item */
|
||||
int nb = 0; /* number of bytes in added item */
|
||||
if (++arg > top)
|
||||
|
@ -891,7 +895,7 @@ static int str_format (lua_State *L) {
|
|||
strfrmt = scanformat(L, strfrmt, form);
|
||||
switch (*strfrmt++) {
|
||||
case 'c': {
|
||||
nb = sprintf(buff, form, luaL_checkint(L, arg));
|
||||
nb = sprintf(buff, form, (int)luaL_checkinteger(L, arg));
|
||||
break;
|
||||
}
|
||||
case 'd': case 'i':
|
||||
|
@ -902,10 +906,10 @@ static int str_format (lua_State *L) {
|
|||
break;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
case 'e': case 'E': case 'f':
|
||||
#if defined(LUA_USE_AFORMAT)
|
||||
case 'a': case 'A':
|
||||
#endif
|
||||
case 'e': case 'E': case 'f':
|
||||
case 'g': case 'G': {
|
||||
addlenmod(form, LUA_NUMBER_FRMLEN);
|
||||
nb = sprintf(buff, form, luaL_checknumber(L, arg));
|
||||
|
@ -931,9 +935,9 @@ static int str_format (lua_State *L) {
|
|||
break;
|
||||
}
|
||||
}
|
||||
default: { /* also treat cases `pnLlh' */
|
||||
return luaL_error(L, "invalid option " LUA_QL("%%%c") " to "
|
||||
LUA_QL("format"), *(strfrmt - 1));
|
||||
default: { /* also treat cases 'pnLlh' */
|
||||
return luaL_error(L, "invalid option '%%%c' to 'format'",
|
||||
*(strfrmt - 1));
|
||||
}
|
||||
}
|
||||
luaL_addsize(&b, nb);
|
||||
|
@ -953,215 +957,448 @@ static int str_format (lua_State *L) {
|
|||
*/
|
||||
|
||||
|
||||
/* value used for padding */
|
||||
#if !defined(LUA_PACKPADBYTE)
|
||||
#define LUA_PACKPADBYTE 0x00
|
||||
#endif
|
||||
|
||||
/* maximum size for the binary representation of an integer */
|
||||
#define MAXINTSIZE 16
|
||||
|
||||
/* number of bits in a character */
|
||||
#define NB CHAR_BIT
|
||||
|
||||
/* mask for one character (NB 1's) */
|
||||
#define MC ((1 << NB) - 1)
|
||||
|
||||
/* mask for one character without sign bit ((NB - 1) 1's) */
|
||||
#define SM (MC >> 1)
|
||||
|
||||
/* size of a lua_Integer */
|
||||
#define SZINT ((int)sizeof(lua_Integer))
|
||||
|
||||
/* maximum size for the binary representation of an integer */
|
||||
#define MAXINTSIZE 12
|
||||
|
||||
|
||||
static union {
|
||||
/* dummy union to get native endianness */
|
||||
static const union {
|
||||
int dummy;
|
||||
char little; /* true iff machine is little endian */
|
||||
} const nativeendian = {1};
|
||||
} nativeendian = {1};
|
||||
|
||||
|
||||
static int getendian (lua_State *L, int arg) {
|
||||
const char *endian = luaL_optstring(L, arg,
|
||||
(nativeendian.little ? "l" : "b"));
|
||||
if (*endian == 'n') /* native? */
|
||||
return nativeendian.little;
|
||||
luaL_argcheck(L, *endian == 'l' || *endian == 'b', arg,
|
||||
"endianness must be 'l'/'b'/'n'");
|
||||
return (*endian == 'l');
|
||||
}
|
||||
/* dummy structure to get native alignment requirements */
|
||||
struct cD {
|
||||
char c;
|
||||
union { double d; void *p; lua_Integer i; lua_Number n; } u;
|
||||
};
|
||||
|
||||
|
||||
static int getintsize (lua_State *L, int arg) {
|
||||
int size = luaL_optint(L, arg, 0);
|
||||
if (size == 0) size = SZINT;
|
||||
luaL_argcheck(L, 1 <= size && size <= MAXINTSIZE, arg,
|
||||
"integer size out of valid range");
|
||||
return size;
|
||||
}
|
||||
|
||||
|
||||
/* mask for all ones in last byte in a lua Integer */
|
||||
#define HIGHERBYTE ((lua_Unsigned)MC << (NB * (SZINT - 1)))
|
||||
|
||||
|
||||
static int dumpint (char *buff, lua_Integer m, int littleendian, int size) {
|
||||
int i;
|
||||
lua_Unsigned n = (lua_Unsigned)m;
|
||||
lua_Unsigned mask = (m >= 0) ? 0 : HIGHERBYTE; /* sign extension */
|
||||
if (littleendian) {
|
||||
for (i = 0; i < size - 1; i++) {
|
||||
buff[i] = (n & MC);
|
||||
n = (n >> NB) | mask;
|
||||
}
|
||||
}
|
||||
else {
|
||||
for (i = size - 1; i > 0; i--) {
|
||||
buff[i] = (n & MC);
|
||||
n = (n >> NB) | mask;
|
||||
}
|
||||
}
|
||||
buff[i] = (n & MC); /* last byte */
|
||||
if (size < SZINT) { /* need test for overflow? */
|
||||
/* OK if there are only zeros left in higher bytes,
|
||||
or only ones left (excluding non-signal bits in last byte) */
|
||||
return ((n & ~(lua_Unsigned)MC) == 0 ||
|
||||
(n | SM) == ~(lua_Unsigned)0);
|
||||
}
|
||||
else return 1; /* no overflow can occur with full size */
|
||||
}
|
||||
|
||||
|
||||
static int dumpint_l (lua_State *L) {
|
||||
char buff[MAXINTSIZE];
|
||||
lua_Integer n = luaL_checkinteger(L, 1);
|
||||
int size = getintsize(L, 2);
|
||||
int endian = getendian(L, 3);
|
||||
if (dumpint(buff, n, endian, size))
|
||||
lua_pushlstring(L, buff, size);
|
||||
else
|
||||
luaL_error(L, "integer does not fit into given size (%d)", size);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/* mask to check higher-order byte + signal bit of next (lower) byte */
|
||||
#define HIGHERBYTE1 (HIGHERBYTE | (HIGHERBYTE >> 1))
|
||||
|
||||
|
||||
static int undumpint (const char *buff, lua_Integer *res,
|
||||
int littleendian, int size) {
|
||||
lua_Unsigned n = 0;
|
||||
int i;
|
||||
for (i = 0; i < size; i++) {
|
||||
if (i >= SZINT) { /* will throw away a byte? */
|
||||
/* check for overflow: it is OK to throw away leading zeros for a
|
||||
positive number, leading ones for a negative number, and a
|
||||
leading zero byte to allow unsigned integers with a 1 in
|
||||
its "signal bit" */
|
||||
if (!((n & HIGHERBYTE1) == 0 || /* zeros for positive number */
|
||||
(n & HIGHERBYTE1) == HIGHERBYTE1 || /* ones for negative number */
|
||||
(i == size - 1 && (n & HIGHERBYTE) == 0))) /* leading zero */
|
||||
return 0; /* overflow */
|
||||
}
|
||||
n <<= NB;
|
||||
n |= (lua_Unsigned)(unsigned char)buff[littleendian ? size - 1 - i : i];
|
||||
}
|
||||
if (size < SZINT) { /* need sign extension? */
|
||||
lua_Unsigned mask = (lua_Unsigned)1 << (size*NB - 1);
|
||||
*res = (lua_Integer)((n ^ mask) - mask); /* do sign extension */
|
||||
}
|
||||
else
|
||||
*res = (lua_Integer)n;
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static int undumpint_l (lua_State *L) {
|
||||
lua_Integer res;
|
||||
size_t len;
|
||||
const char *s = luaL_checklstring(L, 1, &len);
|
||||
lua_Integer pos = posrelat(luaL_optinteger(L, 2, 1), len);
|
||||
int size = getintsize(L, 3);
|
||||
int endian = getendian(L, 4);
|
||||
luaL_argcheck(L, 1 <= pos && (size_t)pos + size - 1 <= len, 1,
|
||||
"string too short");
|
||||
if(undumpint(s + pos - 1, &res, endian, size))
|
||||
lua_pushinteger(L, res);
|
||||
else
|
||||
luaL_error(L, "result does not fit into a Lua integer");
|
||||
return 1;
|
||||
}
|
||||
#define MAXALIGN (offsetof(struct cD, u))
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
static void correctendianness (lua_State *L, char *b, int size, int endianarg) {
|
||||
int endian = getendian(L, endianarg);
|
||||
if (endian != nativeendian.little) { /* not native endianness? */
|
||||
int i = 0;
|
||||
while (i < --size) {
|
||||
char temp = b[i];
|
||||
b[i++] = b[size];
|
||||
b[size] = temp;
|
||||
/*
|
||||
** Union for serializing floats
|
||||
*/
|
||||
typedef union Ftypes {
|
||||
float f;
|
||||
double d;
|
||||
lua_Number n;
|
||||
char buff[5 * sizeof(lua_Number)]; /* enough for any float type */
|
||||
} Ftypes;
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
** information to pack/unpack stuff
|
||||
*/
|
||||
typedef struct Header {
|
||||
lua_State *L;
|
||||
int islittle;
|
||||
int maxalign;
|
||||
} Header;
|
||||
|
||||
|
||||
/*
|
||||
** options for pack/unpack
|
||||
*/
|
||||
typedef enum KOption {
|
||||
Kint, /* signed integers */
|
||||
Kuint, /* unsigned integers */
|
||||
#ifndef _KERNEL
|
||||
Kfloat, /* floating-point numbers */
|
||||
#endif
|
||||
Kchar, /* fixed-length strings */
|
||||
Kstring, /* strings with prefixed length */
|
||||
Kzstr, /* zero-terminated strings */
|
||||
Kpadding, /* padding */
|
||||
Kpaddalign, /* padding for alignment */
|
||||
Knop /* no-op (configuration or spaces) */
|
||||
} KOption;
|
||||
|
||||
|
||||
/*
|
||||
** Read an integer numeral from string 'fmt' or return 'df' if
|
||||
** there is no numeral
|
||||
*/
|
||||
static int digit (int c) { return '0' <= c && c <= '9'; }
|
||||
|
||||
static int getnum (const char **fmt, int df) {
|
||||
if (!digit(**fmt)) /* no number? */
|
||||
return df; /* return default value */
|
||||
else {
|
||||
int a = 0;
|
||||
do {
|
||||
a = a*10 + (*((*fmt)++) - '0');
|
||||
} while (digit(**fmt) && a <= ((int)MAXSIZE - 9)/10);
|
||||
return a;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Read an integer numeral and raises an error if it is larger
|
||||
** than the maximum size for integers.
|
||||
*/
|
||||
static int getnumlimit (Header *h, const char **fmt, int df) {
|
||||
int sz = getnum(fmt, df);
|
||||
if (sz > MAXINTSIZE || sz <= 0)
|
||||
luaL_error(h->L, "integral size (%d) out of limits [1,%d]",
|
||||
sz, MAXINTSIZE);
|
||||
return sz;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Initialize Header
|
||||
*/
|
||||
static void initheader (lua_State *L, Header *h) {
|
||||
h->L = L;
|
||||
h->islittle = nativeendian.little;
|
||||
h->maxalign = 1;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Read and classify next option. 'size' is filled with option's size.
|
||||
*/
|
||||
static KOption getoption (Header *h, const char **fmt, int *size) {
|
||||
int opt = *((*fmt)++);
|
||||
*size = 0; /* default */
|
||||
switch (opt) {
|
||||
case 'b': *size = sizeof(char); return Kint;
|
||||
case 'B': *size = sizeof(char); return Kuint;
|
||||
case 'h': *size = sizeof(short); return Kint;
|
||||
case 'H': *size = sizeof(short); return Kuint;
|
||||
case 'l': *size = sizeof(long); return Kint;
|
||||
case 'L': *size = sizeof(long); return Kuint;
|
||||
case 'j': *size = sizeof(lua_Integer); return Kint;
|
||||
case 'J': *size = sizeof(lua_Integer); return Kuint;
|
||||
case 'T': *size = sizeof(size_t); return Kuint;
|
||||
#ifndef _KERNEL
|
||||
case 'f': *size = sizeof(float); return Kfloat;
|
||||
case 'd': *size = sizeof(double); return Kfloat;
|
||||
case 'n': *size = sizeof(lua_Number); return Kfloat;
|
||||
#else /* _KERNEL */
|
||||
case 'n': *size = sizeof(lua_Number); return Kint;
|
||||
#endif
|
||||
case 'i': *size = getnumlimit(h, fmt, sizeof(int)); return Kint;
|
||||
case 'I': *size = getnumlimit(h, fmt, sizeof(int)); return Kuint;
|
||||
case 's': *size = getnumlimit(h, fmt, sizeof(size_t)); return Kstring;
|
||||
case 'c':
|
||||
*size = getnum(fmt, -1);
|
||||
if (*size == -1)
|
||||
luaL_error(h->L, "missing size for format option 'c'");
|
||||
return Kchar;
|
||||
case 'z': return Kzstr;
|
||||
case 'x': *size = 1; return Kpadding;
|
||||
case 'X': return Kpaddalign;
|
||||
case ' ': break;
|
||||
case '<': h->islittle = 1; break;
|
||||
case '>': h->islittle = 0; break;
|
||||
case '=': h->islittle = nativeendian.little; break;
|
||||
case '!': h->maxalign = getnumlimit(h, fmt, MAXALIGN); break;
|
||||
default: luaL_error(h->L, "invalid format option '%c'", opt);
|
||||
}
|
||||
return Knop;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Read, classify, and fill other details about the next option.
|
||||
** 'psize' is filled with option's size, 'notoalign' with its
|
||||
** alignment requirements.
|
||||
** Local variable 'size' gets the size to be aligned. (Kpadal option
|
||||
** always gets its full alignment, other options are limited by
|
||||
** the maximum alignment ('maxalign'). Kchar option needs no alignment
|
||||
** despite its size.
|
||||
*/
|
||||
static KOption getdetails (Header *h, size_t totalsize,
|
||||
const char **fmt, int *psize, int *ntoalign) {
|
||||
KOption opt = getoption(h, fmt, psize);
|
||||
int align = *psize; /* usually, alignment follows size */
|
||||
if (opt == Kpaddalign) { /* 'X' gets alignment from following option */
|
||||
if (**fmt == '\0' || getoption(h, fmt, &align) == Kchar || align == 0)
|
||||
luaL_argerror(h->L, 1, "invalid next option for option 'X'");
|
||||
}
|
||||
if (align <= 1 || opt == Kchar) /* need no alignment? */
|
||||
*ntoalign = 0;
|
||||
else {
|
||||
if (align > h->maxalign) /* enforce maximum alignment */
|
||||
align = h->maxalign;
|
||||
if ((align & (align - 1)) != 0) /* is 'align' not a power of 2? */
|
||||
luaL_argerror(h->L, 1, "format asks for alignment not power of 2");
|
||||
*ntoalign = (align - (int)(totalsize & (align - 1))) & (align - 1);
|
||||
}
|
||||
return opt;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Pack integer 'n' with 'size' bytes and 'islittle' endianness.
|
||||
** The final 'if' handles the case when 'size' is larger than
|
||||
** the size of a Lua integer, correcting the extra sign-extension
|
||||
** bytes if necessary (by default they would be zeros).
|
||||
*/
|
||||
static void packint (luaL_Buffer *b, lua_Unsigned n,
|
||||
int islittle, int size, int neg) {
|
||||
char *buff = luaL_prepbuffsize(b, size);
|
||||
int i;
|
||||
buff[islittle ? 0 : size - 1] = (char)(n & MC); /* first byte */
|
||||
for (i = 1; i < size; i++) {
|
||||
n >>= NB;
|
||||
buff[islittle ? i : size - 1 - i] = (char)(n & MC);
|
||||
}
|
||||
if (neg && size > SZINT) { /* negative number need sign extension? */
|
||||
for (i = SZINT; i < size; i++) /* correct extra bytes */
|
||||
buff[islittle ? i : size - 1 - i] = (char)MC;
|
||||
}
|
||||
luaL_addsize(b, size); /* add result to buffer */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Copy 'size' bytes from 'src' to 'dest', correcting endianness if
|
||||
** given 'islittle' is different from native endianness.
|
||||
*/
|
||||
static void copywithendian (volatile char *dest, volatile const char *src,
|
||||
int size, int islittle) {
|
||||
if (islittle == nativeendian.little) {
|
||||
while (size-- != 0)
|
||||
*(dest++) = *(src++);
|
||||
}
|
||||
else {
|
||||
dest += size - 1;
|
||||
while (size-- != 0)
|
||||
*(dest--) = *(src++);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static int str_pack (lua_State *L) {
|
||||
luaL_Buffer b;
|
||||
Header h;
|
||||
const char *fmt = luaL_checkstring(L, 1); /* format string */
|
||||
int arg = 1; /* current argument to pack */
|
||||
size_t totalsize = 0; /* accumulate total size of result */
|
||||
initheader(L, &h);
|
||||
lua_pushnil(L); /* mark to separate arguments from string buffer */
|
||||
luaL_buffinit(L, &b);
|
||||
while (*fmt != '\0') {
|
||||
int size, ntoalign;
|
||||
KOption opt = getdetails(&h, totalsize, &fmt, &size, &ntoalign);
|
||||
totalsize += ntoalign + size;
|
||||
while (ntoalign-- > 0)
|
||||
luaL_addchar(&b, LUA_PACKPADBYTE); /* fill alignment */
|
||||
arg++;
|
||||
switch (opt) {
|
||||
case Kint: { /* signed integers */
|
||||
lua_Integer n = luaL_checkinteger(L, arg);
|
||||
if (size < SZINT) { /* need overflow check? */
|
||||
lua_Integer lim = (lua_Integer)1 << ((size * NB) - 1);
|
||||
luaL_argcheck(L, -lim <= n && n < lim, arg, "integer overflow");
|
||||
}
|
||||
packint(&b, (lua_Unsigned)n, h.islittle, size, (n < 0));
|
||||
break;
|
||||
}
|
||||
case Kuint: { /* unsigned integers */
|
||||
lua_Integer n = luaL_checkinteger(L, arg);
|
||||
if (size < SZINT) /* need overflow check? */
|
||||
luaL_argcheck(L, (lua_Unsigned)n < ((lua_Unsigned)1 << (size * NB)),
|
||||
arg, "unsigned overflow");
|
||||
packint(&b, (lua_Unsigned)n, h.islittle, size, 0);
|
||||
break;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
case Kfloat: { /* floating-point options */
|
||||
volatile Ftypes u;
|
||||
char *buff = luaL_prepbuffsize(&b, size);
|
||||
lua_Number n = luaL_checknumber(L, arg); /* get argument */
|
||||
if (size == sizeof(u.f)) u.f = (float)n; /* copy it into 'u' */
|
||||
else if (size == sizeof(u.d)) u.d = (double)n;
|
||||
else u.n = n;
|
||||
/* move 'u' to final result, correcting endianness if needed */
|
||||
copywithendian(buff, u.buff, size, h.islittle);
|
||||
luaL_addsize(&b, size);
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
case Kchar: { /* fixed-size string */
|
||||
size_t len;
|
||||
const char *s = luaL_checklstring(L, arg, &len);
|
||||
luaL_argcheck(L, len == (size_t)size, arg, "wrong length");
|
||||
luaL_addlstring(&b, s, size);
|
||||
break;
|
||||
}
|
||||
case Kstring: { /* strings with length count */
|
||||
size_t len;
|
||||
const char *s = luaL_checklstring(L, arg, &len);
|
||||
luaL_argcheck(L, size >= (int)sizeof(size_t) ||
|
||||
len < ((size_t)1 << (size * NB)),
|
||||
arg, "string length does not fit in given size");
|
||||
packint(&b, (lua_Unsigned)len, h.islittle, size, 0); /* pack length */
|
||||
luaL_addlstring(&b, s, len);
|
||||
totalsize += len;
|
||||
break;
|
||||
}
|
||||
case Kzstr: { /* zero-terminated string */
|
||||
size_t len;
|
||||
const char *s = luaL_checklstring(L, arg, &len);
|
||||
luaL_argcheck(L, strlen(s) == len, arg, "string contains zeros");
|
||||
luaL_addlstring(&b, s, len);
|
||||
luaL_addchar(&b, '\0'); /* add zero at the end */
|
||||
totalsize += len + 1;
|
||||
break;
|
||||
}
|
||||
case Kpadding: luaL_addchar(&b, LUA_PACKPADBYTE); /* go through */
|
||||
case Kpaddalign: case Knop:
|
||||
arg--; /* undo increment */
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static int getfloatsize (lua_State *L, int arg) {
|
||||
const char *size = luaL_optstring(L, arg, "n");
|
||||
if (*size == 'n') return sizeof(lua_Number);
|
||||
luaL_argcheck(L, *size == 'd' || *size == 'f', arg,
|
||||
"size must be 'f'/'d'/'n'");
|
||||
return (*size == 'd' ? sizeof(double) : sizeof(float));
|
||||
}
|
||||
|
||||
|
||||
static int dumpfloat_l (lua_State *L) {
|
||||
float f; double d;
|
||||
char *pn; /* pointer to number */
|
||||
lua_Number n = luaL_checknumber(L, 1);
|
||||
int size = getfloatsize(L, 2);
|
||||
if (size == sizeof(lua_Number))
|
||||
pn = (char*)&n;
|
||||
else if (size == sizeof(float)) {
|
||||
f = (float)n;
|
||||
pn = (char*)&f;
|
||||
}
|
||||
else { /* native lua_Number may be neither float nor double */
|
||||
lua_assert(size == sizeof(double));
|
||||
d = (double)n;
|
||||
pn = (char*)&d;
|
||||
}
|
||||
correctendianness(L, pn, size, 3);
|
||||
lua_pushlstring(L, pn, size);
|
||||
luaL_pushresult(&b);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static int undumpfloat_l (lua_State *L) {
|
||||
lua_Number res;
|
||||
size_t len;
|
||||
const char *s = luaL_checklstring(L, 1, &len);
|
||||
lua_Integer pos = posrelat(luaL_optinteger(L, 2, 1), len);
|
||||
int size = getfloatsize(L, 3);
|
||||
luaL_argcheck(L, 1 <= pos && (size_t)pos + size - 1 <= len, 1,
|
||||
"string too short");
|
||||
if (size == sizeof(lua_Number)) {
|
||||
memcpy(&res, s + pos - 1, size);
|
||||
correctendianness(L, (char*)&res, size, 4);
|
||||
static int str_packsize (lua_State *L) {
|
||||
Header h;
|
||||
const char *fmt = luaL_checkstring(L, 1); /* format string */
|
||||
size_t totalsize = 0; /* accumulate total size of result */
|
||||
initheader(L, &h);
|
||||
while (*fmt != '\0') {
|
||||
int size, ntoalign;
|
||||
KOption opt = getdetails(&h, totalsize, &fmt, &size, &ntoalign);
|
||||
size += ntoalign; /* total space used by option */
|
||||
luaL_argcheck(L, totalsize <= MAXSIZE - size, 1,
|
||||
"format result too large");
|
||||
totalsize += size;
|
||||
switch (opt) {
|
||||
case Kstring: /* strings with length count */
|
||||
case Kzstr: /* zero-terminated string */
|
||||
luaL_argerror(L, 1, "variable-length format");
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
else if (size == sizeof(float)) {
|
||||
float f;
|
||||
memcpy(&f, s + pos - 1, size);
|
||||
correctendianness(L, (char*)&f, size, 4);
|
||||
res = (lua_Number)f;
|
||||
}
|
||||
else { /* native lua_Number may be neither float nor double */
|
||||
double d;
|
||||
lua_assert(size == sizeof(double));
|
||||
memcpy(&d, s + pos - 1, size);
|
||||
correctendianness(L, (char*)&d, size, 4);
|
||||
res = (lua_Number)d;
|
||||
}
|
||||
lua_pushnumber(L, res);
|
||||
lua_pushinteger(L, (lua_Integer)totalsize);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Unpack an integer with 'size' bytes and 'islittle' endianness.
|
||||
** If size is smaller than the size of a Lua integer and integer
|
||||
** is signed, must do sign extension (propagating the sign to the
|
||||
** higher bits); if size is larger than the size of a Lua integer,
|
||||
** it must check the unread bytes to see whether they do not cause an
|
||||
** overflow.
|
||||
*/
|
||||
static lua_Integer unpackint (lua_State *L, const char *str,
|
||||
int islittle, int size, int issigned) {
|
||||
lua_Unsigned res = 0;
|
||||
int i;
|
||||
int limit = (size <= SZINT) ? size : SZINT;
|
||||
for (i = limit - 1; i >= 0; i--) {
|
||||
res <<= NB;
|
||||
res |= (lua_Unsigned)(unsigned char)str[islittle ? i : size - 1 - i];
|
||||
}
|
||||
if (size < SZINT) { /* real size smaller than lua_Integer? */
|
||||
if (issigned) { /* needs sign extension? */
|
||||
lua_Unsigned mask = (lua_Unsigned)1 << (size*NB - 1);
|
||||
res = ((res ^ mask) - mask); /* do sign extension */
|
||||
}
|
||||
}
|
||||
else if (size > SZINT) { /* must check unread bytes */
|
||||
int mask = (!issigned || (lua_Integer)res >= 0) ? 0 : MC;
|
||||
for (i = limit; i < size; i++) {
|
||||
if ((unsigned char)str[islittle ? i : size - 1 - i] != mask)
|
||||
luaL_error(L, "%d-byte integer does not fit into Lua Integer", size);
|
||||
}
|
||||
}
|
||||
return (lua_Integer)res;
|
||||
}
|
||||
|
||||
|
||||
static int str_unpack (lua_State *L) {
|
||||
Header h;
|
||||
const char *fmt = luaL_checkstring(L, 1);
|
||||
size_t ld;
|
||||
const char *data = luaL_checklstring(L, 2, &ld);
|
||||
size_t pos = (size_t)posrelat(luaL_optinteger(L, 3, 1), ld) - 1;
|
||||
int n = 0; /* number of results */
|
||||
luaL_argcheck(L, pos <= ld, 3, "initial position out of string");
|
||||
initheader(L, &h);
|
||||
while (*fmt != '\0') {
|
||||
int size, ntoalign;
|
||||
KOption opt = getdetails(&h, pos, &fmt, &size, &ntoalign);
|
||||
if ((size_t)ntoalign + size > ~pos || pos + ntoalign + size > ld)
|
||||
luaL_argerror(L, 2, "data string too short");
|
||||
pos += ntoalign; /* skip alignment */
|
||||
/* stack space for item + next position */
|
||||
luaL_checkstack(L, 2, "too many results");
|
||||
n++;
|
||||
switch (opt) {
|
||||
case Kint:
|
||||
case Kuint: {
|
||||
lua_Integer res = unpackint(L, data + pos, h.islittle, size,
|
||||
(opt == Kint));
|
||||
lua_pushinteger(L, res);
|
||||
break;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
case Kfloat: {
|
||||
volatile Ftypes u;
|
||||
lua_Number num;
|
||||
copywithendian(u.buff, data + pos, size, h.islittle);
|
||||
if (size == sizeof(u.f)) num = (lua_Number)u.f;
|
||||
else if (size == sizeof(u.d)) num = (lua_Number)u.d;
|
||||
else num = u.n;
|
||||
lua_pushnumber(L, num);
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
case Kchar: {
|
||||
lua_pushlstring(L, data + pos, size);
|
||||
break;
|
||||
}
|
||||
case Kstring: {
|
||||
size_t len = (size_t)unpackint(L, data + pos, h.islittle, size, 0);
|
||||
luaL_argcheck(L, pos + len + size <= ld, 2, "data string too short");
|
||||
lua_pushlstring(L, data + pos + size, len);
|
||||
pos += len; /* skip string */
|
||||
break;
|
||||
}
|
||||
case Kzstr: {
|
||||
size_t len = (int)strlen(data + pos);
|
||||
lua_pushlstring(L, data + pos, len);
|
||||
pos += len + 1; /* skip string plus final '\0' */
|
||||
break;
|
||||
}
|
||||
case Kpaddalign: case Kpadding: case Knop:
|
||||
n--; /* undo increment */
|
||||
break;
|
||||
}
|
||||
pos += size;
|
||||
}
|
||||
lua_pushinteger(L, pos + 1); /* next position */
|
||||
return n + 1;
|
||||
}
|
||||
|
||||
/* }====================================================== */
|
||||
|
||||
|
@ -1181,14 +1418,9 @@ static const luaL_Reg strlib[] = {
|
|||
{"reverse", str_reverse},
|
||||
{"sub", str_sub},
|
||||
{"upper", str_upper},
|
||||
#ifndef _KERNEL
|
||||
{"dumpfloat", dumpfloat_l},
|
||||
#endif
|
||||
{"dumpint", dumpint_l},
|
||||
#ifndef _KERNEL
|
||||
{"undumpfloat", undumpfloat_l},
|
||||
#endif
|
||||
{"undumpint", undumpint_l},
|
||||
{"pack", str_pack},
|
||||
{"packsize", str_packsize},
|
||||
{"unpack", str_unpack},
|
||||
{NULL, NULL}
|
||||
};
|
||||
|
||||
|
|
|
@ -1,21 +1,26 @@
|
|||
/* $NetBSD: ltable.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: ltable.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ltable.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: ltable.c,v 2.100 2015/01/05 13:52:37 roberto Exp
|
||||
** Lua tables (hash)
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define ltable_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
/*
|
||||
** Implementation of tables (aka arrays, objects, or hash tables).
|
||||
** Tables keep its elements in two parts: an array part and a hash part.
|
||||
** Non-negative integer keys are all candidates to be kept in the array
|
||||
** part. The actual size of the array is the largest `n' such that at
|
||||
** part. The actual size of the array is the largest 'n' such that at
|
||||
** least half the slots between 0 and n are in use.
|
||||
** Hash uses a mix of chained scatter table with Brent's variation.
|
||||
** A main invariant of these tables is that, if an element is not
|
||||
** in its main position (i.e. the `original' position that its hash gives
|
||||
** in its main position (i.e. the 'original' position that its hash gives
|
||||
** to it), then the colliding element is in its own main position.
|
||||
** Hence even when the load factor reaches 100%, performance remains good.
|
||||
*/
|
||||
|
@ -27,9 +32,6 @@
|
|||
#include <limits.h>
|
||||
#endif
|
||||
|
||||
#define ltable_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "ldebug.h"
|
||||
|
@ -44,19 +46,24 @@
|
|||
|
||||
|
||||
/*
|
||||
** Maximum size of array part (MAXASIZE) is 2^MAXBITS. (SIZEINT is the
|
||||
** minimum between size of int and size of LUA_INTEGER; array indices
|
||||
** are limited by both types.)
|
||||
** Maximum size of array part (MAXASIZE) is 2^MAXABITS. MAXABITS is
|
||||
** the largest integer such that MAXASIZE fits in an unsigned int.
|
||||
*/
|
||||
#define SIZEINT \
|
||||
(sizeof(int) < sizeof(LUA_INTEGER) ? sizeof(int) : sizeof(LUA_INTEGER))
|
||||
#define MAXBITS cast_int(SIZEINT * CHAR_BIT - 2)
|
||||
#define MAXASIZE (1 << MAXBITS)
|
||||
#define MAXABITS cast_int(sizeof(int) * CHAR_BIT - 1)
|
||||
#define MAXASIZE (1u << MAXABITS)
|
||||
|
||||
/*
|
||||
** Maximum size of hash part is 2^MAXHBITS. MAXHBITS is the largest
|
||||
** integer such that 2^MAXHBITS fits in a signed int. (Note that the
|
||||
** maximum number of elements in a table, 2^MAXABITS + 2^MAXHBITS, still
|
||||
** fits comfortably in an unsigned int.)
|
||||
*/
|
||||
#define MAXHBITS (MAXABITS - 1)
|
||||
|
||||
|
||||
#define hashpow2(t,n) (gnode(t, lmod((n), sizenode(t))))
|
||||
|
||||
#define hashstr(t,str) hashpow2(t, (str)->tsv.hash)
|
||||
#define hashstr(t,str) hashpow2(t, (str)->hash)
|
||||
#define hashboolean(t,p) hashpow2(t, p)
|
||||
#define hashint(t,i) hashpow2(t, i)
|
||||
|
||||
|
@ -68,7 +75,7 @@
|
|||
#define hashmod(t,n) (gnode(t, ((n) % ((sizenode(t)-1)|1))))
|
||||
|
||||
|
||||
#define hashpointer(t,p) hashmod(t, IntPoint(p))
|
||||
#define hashpointer(t,p) hashmod(t, point2int(p))
|
||||
|
||||
|
||||
#define dummynode (&dummynode_)
|
||||
|
@ -88,7 +95,7 @@ static const Node dummynode_ = {
|
|||
*/
|
||||
static int numisinteger (lua_Number x, lua_Integer *p) {
|
||||
if ((x) == l_floor(x)) /* integral value? */
|
||||
return lua_numtointeger(x, p); /* try as an integer */
|
||||
return lua_numbertointeger(x, p); /* try as an integer */
|
||||
else return 0;
|
||||
}
|
||||
|
||||
|
@ -112,7 +119,7 @@ static Node *hashfloat (const Table *t, lua_Number n) {
|
|||
|
||||
|
||||
/*
|
||||
** returns the `main' position of an element in a table (that is, the index
|
||||
** returns the 'main' position of an element in a table (that is, the index
|
||||
** of its hash value)
|
||||
*/
|
||||
static Node *mainposition (const Table *t, const TValue *key) {
|
||||
|
@ -124,14 +131,14 @@ static Node *mainposition (const Table *t, const TValue *key) {
|
|||
return hashfloat(t, fltvalue(key));
|
||||
#endif
|
||||
case LUA_TSHRSTR:
|
||||
return hashstr(t, rawtsvalue(key));
|
||||
return hashstr(t, tsvalue(key));
|
||||
case LUA_TLNGSTR: {
|
||||
TString *s = rawtsvalue(key);
|
||||
if (s->tsv.extra == 0) { /* no hash? */
|
||||
s->tsv.hash = luaS_hash(getstr(s), s->tsv.len, s->tsv.hash);
|
||||
s->tsv.extra = 1; /* now it has its hash */
|
||||
TString *s = tsvalue(key);
|
||||
if (s->extra == 0) { /* no hash? */
|
||||
s->hash = luaS_hash(getstr(s), s->len, s->hash);
|
||||
s->extra = 1; /* now it has its hash */
|
||||
}
|
||||
return hashstr(t, rawtsvalue(key));
|
||||
return hashstr(t, tsvalue(key));
|
||||
}
|
||||
case LUA_TBOOLEAN:
|
||||
return hashboolean(t, bvalue(key));
|
||||
|
@ -146,45 +153,45 @@ static Node *mainposition (const Table *t, const TValue *key) {
|
|||
|
||||
|
||||
/*
|
||||
** returns the index for `key' if `key' is an appropriate key to live in
|
||||
** the array part of the table, -1 otherwise.
|
||||
** returns the index for 'key' if 'key' is an appropriate key to live in
|
||||
** the array part of the table, 0 otherwise.
|
||||
*/
|
||||
static int arrayindex (const TValue *key) {
|
||||
static unsigned int arrayindex (const TValue *key) {
|
||||
if (ttisinteger(key)) {
|
||||
lua_Integer k = ivalue(key);
|
||||
if (0 < k && k <= MAXASIZE) /* is `key' an appropriate array index? */
|
||||
return cast_int(k);
|
||||
if (0 < k && (lua_Unsigned)k <= MAXASIZE)
|
||||
return cast(unsigned int, k); /* 'key' is an appropriate array index */
|
||||
}
|
||||
return -1; /* `key' did not match some condition */
|
||||
return 0; /* 'key' did not match some condition */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** returns the index of a `key' for table traversals. First goes all
|
||||
** returns the index of a 'key' for table traversals. First goes all
|
||||
** elements in the array part, then elements in the hash part. The
|
||||
** beginning of a traversal is signaled by -1.
|
||||
** beginning of a traversal is signaled by 0.
|
||||
*/
|
||||
static int findindex (lua_State *L, Table *t, StkId key) {
|
||||
int i;
|
||||
if (ttisnil(key)) return -1; /* first iteration */
|
||||
static unsigned int findindex (lua_State *L, Table *t, StkId key) {
|
||||
unsigned int i;
|
||||
if (ttisnil(key)) return 0; /* first iteration */
|
||||
i = arrayindex(key);
|
||||
if (0 < i && i <= t->sizearray) /* is `key' inside array part? */
|
||||
return i-1; /* yes; that's the index (corrected to C) */
|
||||
if (i != 0 && i <= t->sizearray) /* is 'key' inside array part? */
|
||||
return i; /* yes; that's the index */
|
||||
else {
|
||||
int nx;
|
||||
Node *n = mainposition(t, key);
|
||||
for (;;) { /* check whether `key' is somewhere in the chain */
|
||||
/* key may be dead already, but it is ok to use it in `next' */
|
||||
for (;;) { /* check whether 'key' is somewhere in the chain */
|
||||
/* key may be dead already, but it is ok to use it in 'next' */
|
||||
if (luaV_rawequalobj(gkey(n), key) ||
|
||||
(ttisdeadkey(gkey(n)) && iscollectable(key) &&
|
||||
deadvalue(gkey(n)) == gcvalue(key))) {
|
||||
i = cast_int(n - gnode(t, 0)); /* key index in hash table */
|
||||
/* hash elements are numbered after array ones */
|
||||
return i + t->sizearray;
|
||||
return (i + 1) + t->sizearray;
|
||||
}
|
||||
nx = gnext(n);
|
||||
if (nx == 0)
|
||||
luaG_runerror(L, "invalid key to " LUA_QL("next")); /* key not found */
|
||||
luaG_runerror(L, "invalid key to 'next'"); /* key not found */
|
||||
else n += nx;
|
||||
}
|
||||
}
|
||||
|
@ -192,15 +199,15 @@ static int findindex (lua_State *L, Table *t, StkId key) {
|
|||
|
||||
|
||||
int luaH_next (lua_State *L, Table *t, StkId key) {
|
||||
int i = findindex(L, t, key); /* find original element */
|
||||
for (i++; i < t->sizearray; i++) { /* try first array part */
|
||||
unsigned int i = findindex(L, t, key); /* find original element */
|
||||
for (; i < t->sizearray; i++) { /* try first array part */
|
||||
if (!ttisnil(&t->array[i])) { /* a non-nil value? */
|
||||
setivalue(key, i + 1);
|
||||
setobj2s(L, key+1, &t->array[i]);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
for (i -= t->sizearray; i < sizenode(t); i++) { /* then hash part */
|
||||
for (i -= t->sizearray; cast_int(i) < sizenode(t); i++) { /* hash part */
|
||||
if (!ttisnil(gval(gnode(t, i)))) { /* a non-nil value? */
|
||||
setobj2s(L, key, gkey(gnode(t, i)));
|
||||
setobj2s(L, key+1, gval(gnode(t, i)));
|
||||
|
@ -217,19 +224,24 @@ int luaH_next (lua_State *L, Table *t, StkId key) {
|
|||
** ==============================================================
|
||||
*/
|
||||
|
||||
|
||||
static int computesizes (int nums[], int *narray) {
|
||||
/*
|
||||
** Compute the optimal size for the array part of table 't'. 'nums' is a
|
||||
** "count array" where 'nums[i]' is the number of integers in the table
|
||||
** between 2^(i - 1) + 1 and 2^i. Put in '*narray' the optimal size, and
|
||||
** return the number of elements that will go to that part.
|
||||
*/
|
||||
static unsigned int computesizes (unsigned int nums[], unsigned int *narray) {
|
||||
int i;
|
||||
int twotoi; /* 2^i */
|
||||
int a = 0; /* number of elements smaller than 2^i */
|
||||
int na = 0; /* number of elements to go to array part */
|
||||
int n = 0; /* optimal size for array part */
|
||||
unsigned int twotoi; /* 2^i */
|
||||
unsigned int a = 0; /* number of elements smaller than 2^i */
|
||||
unsigned int na = 0; /* number of elements to go to array part */
|
||||
unsigned int n = 0; /* optimal size for array part */
|
||||
for (i = 0, twotoi = 1; twotoi/2 < *narray; i++, twotoi *= 2) {
|
||||
if (nums[i] > 0) {
|
||||
a += nums[i];
|
||||
if (a > twotoi/2) { /* more than half elements present? */
|
||||
n = twotoi; /* optimal size (till now) */
|
||||
na = a; /* all elements smaller than n will go to array part */
|
||||
na = a; /* all elements up to 'n' will go to array part */
|
||||
}
|
||||
}
|
||||
if (a == *narray) break; /* all elements already counted */
|
||||
|
@ -240,9 +252,9 @@ static int computesizes (int nums[], int *narray) {
|
|||
}
|
||||
|
||||
|
||||
static int countint (const TValue *key, int *nums) {
|
||||
int k = arrayindex(key);
|
||||
if (k > 0) { /* is `key' an appropriate array index? */
|
||||
static int countint (const TValue *key, unsigned int *nums) {
|
||||
unsigned int k = arrayindex(key);
|
||||
if (k != 0) { /* is 'key' an appropriate array index? */
|
||||
nums[luaO_ceillog2(k)]++; /* count as such */
|
||||
return 1;
|
||||
}
|
||||
|
@ -251,20 +263,21 @@ static int countint (const TValue *key, int *nums) {
|
|||
}
|
||||
|
||||
|
||||
static int numusearray (const Table *t, int *nums) {
|
||||
static unsigned int numusearray (const Table *t, unsigned int *nums) {
|
||||
int lg;
|
||||
int ttlg; /* 2^lg */
|
||||
int ause = 0; /* summation of `nums' */
|
||||
int i = 1; /* count to traverse all array keys */
|
||||
for (lg=0, ttlg=1; lg<=MAXBITS; lg++, ttlg*=2) { /* for each slice */
|
||||
int lc = 0; /* counter */
|
||||
int lim = ttlg;
|
||||
unsigned int ttlg; /* 2^lg */
|
||||
unsigned int ause = 0; /* summation of 'nums' */
|
||||
unsigned int i = 1; /* count to traverse all array keys */
|
||||
/* traverse each slice */
|
||||
for (lg = 0, ttlg = 1; lg <= MAXABITS; lg++, ttlg *= 2) {
|
||||
unsigned int lc = 0; /* counter */
|
||||
unsigned int lim = ttlg;
|
||||
if (lim > t->sizearray) {
|
||||
lim = t->sizearray; /* adjust upper limit */
|
||||
if (i > lim)
|
||||
break; /* no more elements to count */
|
||||
}
|
||||
/* count elements in range (2^(lg-1), 2^lg] */
|
||||
/* count elements in range (2^(lg - 1), 2^lg] */
|
||||
for (; i <= lim; i++) {
|
||||
if (!ttisnil(&t->array[i-1]))
|
||||
lc++;
|
||||
|
@ -276,9 +289,10 @@ static int numusearray (const Table *t, int *nums) {
|
|||
}
|
||||
|
||||
|
||||
static int numusehash (const Table *t, int *nums, int *pnasize) {
|
||||
static int numusehash (const Table *t, unsigned int *nums,
|
||||
unsigned int *pnasize) {
|
||||
int totaluse = 0; /* total number of elements */
|
||||
int ause = 0; /* summation of `nums' */
|
||||
int ause = 0; /* elements added to 'nums' (can go to array part) */
|
||||
int i = sizenode(t);
|
||||
while (i--) {
|
||||
Node *n = &t->node[i];
|
||||
|
@ -292,8 +306,8 @@ static int numusehash (const Table *t, int *nums, int *pnasize) {
|
|||
}
|
||||
|
||||
|
||||
static void setarrayvector (lua_State *L, Table *t, int size) {
|
||||
int i;
|
||||
static void setarrayvector (lua_State *L, Table *t, unsigned int size) {
|
||||
unsigned int i;
|
||||
luaM_reallocvector(L, t->array, t->sizearray, size, TValue);
|
||||
for (i=t->sizearray; i<size; i++)
|
||||
setnilvalue(&t->array[i]);
|
||||
|
@ -301,23 +315,23 @@ static void setarrayvector (lua_State *L, Table *t, int size) {
|
|||
}
|
||||
|
||||
|
||||
static void setnodevector (lua_State *L, Table *t, int size) {
|
||||
static void setnodevector (lua_State *L, Table *t, unsigned int size) {
|
||||
int lsize;
|
||||
if (size == 0) { /* no elements to hash part? */
|
||||
t->node = cast(Node *, dummynode); /* use common `dummynode' */
|
||||
t->node = cast(Node *, dummynode); /* use common 'dummynode' */
|
||||
lsize = 0;
|
||||
}
|
||||
else {
|
||||
int i;
|
||||
lsize = luaO_ceillog2(size);
|
||||
if (lsize > MAXBITS)
|
||||
if (lsize > MAXHBITS)
|
||||
luaG_runerror(L, "table overflow");
|
||||
size = twoto(lsize);
|
||||
t->node = luaM_newvector(L, size, Node);
|
||||
for (i=0; i<size; i++) {
|
||||
for (i = 0; i < (int)size; i++) {
|
||||
Node *n = gnode(t, i);
|
||||
gnext(n) = 0;
|
||||
setnilvalue(gkey(n));
|
||||
setnilvalue(wgkey(n));
|
||||
setnilvalue(gval(n));
|
||||
}
|
||||
}
|
||||
|
@ -326,9 +340,11 @@ static void setnodevector (lua_State *L, Table *t, int size) {
|
|||
}
|
||||
|
||||
|
||||
void luaH_resize (lua_State *L, Table *t, int nasize, int nhsize) {
|
||||
int i;
|
||||
int oldasize = t->sizearray;
|
||||
void luaH_resize (lua_State *L, Table *t, unsigned int nasize,
|
||||
unsigned int nhsize) {
|
||||
unsigned int i;
|
||||
int j;
|
||||
unsigned int oldasize = t->sizearray;
|
||||
int oldhsize = t->lsizenode;
|
||||
Node *nold = t->node; /* save old hash ... */
|
||||
if (nasize > oldasize) /* array part must grow? */
|
||||
|
@ -346,8 +362,8 @@ void luaH_resize (lua_State *L, Table *t, int nasize, int nhsize) {
|
|||
luaM_reallocvector(L, t->array, oldasize, nasize, TValue);
|
||||
}
|
||||
/* re-insert elements from hash part */
|
||||
for (i = twoto(oldhsize) - 1; i >= 0; i--) {
|
||||
Node *old = nold+i;
|
||||
for (j = twoto(oldhsize) - 1; j >= 0; j--) {
|
||||
Node *old = nold + j;
|
||||
if (!ttisnil(gval(old))) {
|
||||
/* doesn't need barrier/invalidate cache, as entry was
|
||||
already present in the table */
|
||||
|
@ -359,18 +375,20 @@ void luaH_resize (lua_State *L, Table *t, int nasize, int nhsize) {
|
|||
}
|
||||
|
||||
|
||||
void luaH_resizearray (lua_State *L, Table *t, int nasize) {
|
||||
void luaH_resizearray (lua_State *L, Table *t, unsigned int nasize) {
|
||||
int nsize = isdummy(t->node) ? 0 : sizenode(t);
|
||||
luaH_resize(L, t, nasize, nsize);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** nums[i] = number of keys 'k' where 2^(i - 1) < k <= 2^i
|
||||
*/
|
||||
static void rehash (lua_State *L, Table *t, const TValue *ek) {
|
||||
int nasize, na;
|
||||
int nums[MAXBITS+1]; /* nums[i] = number of keys with 2^(i-1) < k <= 2^i */
|
||||
unsigned int nasize, na;
|
||||
unsigned int nums[MAXABITS + 1];
|
||||
int i;
|
||||
int totaluse;
|
||||
for (i=0; i<=MAXBITS; i++) nums[i] = 0; /* reset counts */
|
||||
for (i = 0; i <= MAXABITS; i++) nums[i] = 0; /* reset counts */
|
||||
nasize = numusearray(t, nums); /* count keys in array part */
|
||||
totaluse = nasize; /* all those keys are integer keys */
|
||||
totaluse += numusehash(t, nums, &nasize); /* count keys in hash part */
|
||||
|
@ -430,7 +448,9 @@ static Node *getfreepos (Table *t) {
|
|||
*/
|
||||
TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key) {
|
||||
Node *mp;
|
||||
#ifndef _KERNEL
|
||||
TValue aux;
|
||||
#endif
|
||||
if (ttisnil(key)) luaG_runerror(L, "table index is nil");
|
||||
#ifndef _KERNEL
|
||||
else if (ttisfloat(key)) {
|
||||
|
@ -443,8 +463,6 @@ TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key) {
|
|||
key = &aux; /* insert it as an integer */
|
||||
}
|
||||
}
|
||||
#else
|
||||
UNUSED(aux);
|
||||
#endif
|
||||
mp = mainposition(t, key);
|
||||
if (!ttisnil(gval(mp)) || isdummy(mp)) { /* main position is taken? */
|
||||
|
@ -452,7 +470,7 @@ TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key) {
|
|||
Node *f = getfreepos(t); /* get a free place */
|
||||
if (f == NULL) { /* cannot find a free place? */
|
||||
rehash(L, t, key); /* grow table */
|
||||
/* whatever called 'newkey' take care of TM cache and GC barrier */
|
||||
/* whatever called 'newkey' takes care of TM cache and GC barrier */
|
||||
return luaH_set(L, t, key); /* insert key into grown table */
|
||||
}
|
||||
lua_assert(!isdummy(f));
|
||||
|
@ -478,7 +496,7 @@ TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key) {
|
|||
mp = f;
|
||||
}
|
||||
}
|
||||
setobj2t(L, gkey(mp), key);
|
||||
setnodekey(L, &mp->i_key, key);
|
||||
luaC_barrierback(L, t, key);
|
||||
lua_assert(ttisnil(gval(mp)));
|
||||
return gval(mp);
|
||||
|
@ -490,11 +508,11 @@ TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key) {
|
|||
*/
|
||||
const TValue *luaH_getint (Table *t, lua_Integer key) {
|
||||
/* (1 <= key && key <= t->sizearray) */
|
||||
if (l_castS2U(key - 1) < cast(unsigned int, t->sizearray))
|
||||
if (l_castS2U(key - 1) < t->sizearray)
|
||||
return &t->array[key - 1];
|
||||
else {
|
||||
Node *n = hashint(t, key);
|
||||
for (;;) { /* check whether `key' is somewhere in the chain */
|
||||
for (;;) { /* check whether 'key' is somewhere in the chain */
|
||||
if (ttisinteger(gkey(n)) && ivalue(gkey(n)) == key)
|
||||
return gval(n); /* that's it */
|
||||
else {
|
||||
|
@ -513,9 +531,10 @@ const TValue *luaH_getint (Table *t, lua_Integer key) {
|
|||
*/
|
||||
const TValue *luaH_getstr (Table *t, TString *key) {
|
||||
Node *n = hashstr(t, key);
|
||||
lua_assert(key->tsv.tt == LUA_TSHRSTR);
|
||||
for (;;) { /* check whether `key' is somewhere in the chain */
|
||||
if (ttisshrstring(gkey(n)) && eqshrstr(rawtsvalue(gkey(n)), key))
|
||||
lua_assert(key->tt == LUA_TSHRSTR);
|
||||
for (;;) { /* check whether 'key' is somewhere in the chain */
|
||||
const TValue *k = gkey(n);
|
||||
if (ttisshrstring(k) && eqshrstr(tsvalue(k), key))
|
||||
return gval(n); /* that's it */
|
||||
else {
|
||||
int nx = gnext(n);
|
||||
|
@ -532,7 +551,7 @@ const TValue *luaH_getstr (Table *t, TString *key) {
|
|||
*/
|
||||
const TValue *luaH_get (Table *t, const TValue *key) {
|
||||
switch (ttype(key)) {
|
||||
case LUA_TSHRSTR: return luaH_getstr(t, rawtsvalue(key));
|
||||
case LUA_TSHRSTR: return luaH_getstr(t, tsvalue(key));
|
||||
case LUA_TNUMINT: return luaH_getint(t, ivalue(key));
|
||||
case LUA_TNIL: return luaO_nilobject;
|
||||
#ifndef _KERNEL
|
||||
|
@ -545,7 +564,7 @@ const TValue *luaH_get (Table *t, const TValue *key) {
|
|||
#endif
|
||||
default: {
|
||||
Node *n = mainposition(t, key);
|
||||
for (;;) { /* check whether `key' is somewhere in the chain */
|
||||
for (;;) { /* check whether 'key' is somewhere in the chain */
|
||||
if (luaV_rawequalobj(gkey(n), key))
|
||||
return gval(n); /* that's it */
|
||||
else {
|
||||
|
@ -589,7 +608,7 @@ void luaH_setint (lua_State *L, Table *t, lua_Integer key, TValue *value) {
|
|||
static int unbound_search (Table *t, unsigned int j) {
|
||||
unsigned int i = j; /* i is zero or a present index */
|
||||
j++;
|
||||
/* find `i' and `j' such that i is present and j is not */
|
||||
/* find 'i' and 'j' such that i is present and j is not */
|
||||
while (!ttisnil(luaH_getint(t, j))) {
|
||||
i = j;
|
||||
if (j > cast(unsigned int, MAX_INT)/2) { /* overflow? */
|
||||
|
@ -611,7 +630,7 @@ static int unbound_search (Table *t, unsigned int j) {
|
|||
|
||||
|
||||
/*
|
||||
** Try to find a boundary in table `t'. A `boundary' is an integer index
|
||||
** Try to find a boundary in table 't'. A 'boundary' is an integer index
|
||||
** such that t[i] is non-nil and t[i+1] is nil (and 0 if t[1] is nil).
|
||||
*/
|
||||
int luaH_getn (Table *t) {
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: ltable.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ltable.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: ltable.h,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Lua tables (hash)
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -13,10 +11,15 @@
|
|||
|
||||
|
||||
#define gnode(t,i) (&(t)->node[i])
|
||||
#define gkey(n) (&(n)->i_key.tvk)
|
||||
#define gval(n) (&(n)->i_val)
|
||||
#define gnext(n) ((n)->i_key.nk.next)
|
||||
|
||||
|
||||
/* 'const' to avoid wrong writings that can mess up field 'next' */
|
||||
#define gkey(n) cast(const TValue*, (&(n)->i_key.tvk))
|
||||
|
||||
#define wgkey(n) (&(n)->i_key.nk)
|
||||
|
||||
#define invalidateTMcache(t) ((t)->flags = 0)
|
||||
|
||||
|
||||
|
@ -27,14 +30,15 @@
|
|||
|
||||
LUAI_FUNC const TValue *luaH_getint (Table *t, lua_Integer key);
|
||||
LUAI_FUNC void luaH_setint (lua_State *L, Table *t, lua_Integer key,
|
||||
TValue *value);
|
||||
TValue *value);
|
||||
LUAI_FUNC const TValue *luaH_getstr (Table *t, TString *key);
|
||||
LUAI_FUNC const TValue *luaH_get (Table *t, const TValue *key);
|
||||
LUAI_FUNC TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key);
|
||||
LUAI_FUNC TValue *luaH_set (lua_State *L, Table *t, const TValue *key);
|
||||
LUAI_FUNC Table *luaH_new (lua_State *L);
|
||||
LUAI_FUNC void luaH_resize (lua_State *L, Table *t, int nasize, int nhsize);
|
||||
LUAI_FUNC void luaH_resizearray (lua_State *L, Table *t, int nasize);
|
||||
LUAI_FUNC void luaH_resize (lua_State *L, Table *t, unsigned int nasize,
|
||||
unsigned int nhsize);
|
||||
LUAI_FUNC void luaH_resizearray (lua_State *L, Table *t, unsigned int nasize);
|
||||
LUAI_FUNC void luaH_free (lua_State *L, Table *t);
|
||||
LUAI_FUNC int luaH_next (lua_State *L, Table *t, StkId key);
|
||||
LUAI_FUNC int luaH_getn (Table *t);
|
||||
|
|
|
@ -1,28 +1,62 @@
|
|||
/* $NetBSD: ltablib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: ltablib.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ltablib.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: ltablib.c,v 1.79 2014/11/02 19:19:04 roberto Exp
|
||||
** Library for Table Manipulation
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define ltablib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <limits.h>
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
|
||||
#define ltablib_c
|
||||
#define LUA_LIB
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
#include "lualib.h"
|
||||
|
||||
|
||||
#define aux_getn(L,n) (luaL_checktype(L, n, LUA_TTABLE), luaL_len(L, n))
|
||||
|
||||
/*
|
||||
** Structure with table-access functions
|
||||
*/
|
||||
typedef struct {
|
||||
int (*geti) (lua_State *L, int idx, lua_Integer n);
|
||||
void (*seti) (lua_State *L, int idx, lua_Integer n);
|
||||
} TabA;
|
||||
|
||||
|
||||
/*
|
||||
** Check that 'arg' has a table and set access functions in 'ta' to raw
|
||||
** or non-raw according to the presence of corresponding metamethods.
|
||||
*/
|
||||
static void checktab (lua_State *L, int arg, TabA *ta) {
|
||||
ta->geti = NULL; ta->seti = NULL;
|
||||
if (lua_getmetatable(L, arg)) {
|
||||
lua_pushliteral(L, "__index"); /* 'index' metamethod */
|
||||
if (lua_rawget(L, -2) != LUA_TNIL)
|
||||
ta->geti = lua_geti;
|
||||
lua_pushliteral(L, "__newindex"); /* 'newindex' metamethod */
|
||||
if (lua_rawget(L, -3) != LUA_TNIL)
|
||||
ta->seti = lua_seti;
|
||||
lua_pop(L, 3); /* pop metatable plus both metamethods */
|
||||
}
|
||||
if (ta->geti == NULL || ta->seti == NULL) {
|
||||
luaL_checktype(L, arg, LUA_TTABLE); /* must be table for raw methods */
|
||||
if (ta->geti == NULL) ta->geti = lua_rawgeti;
|
||||
if (ta->seti == NULL) ta->seti = lua_rawseti;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#define aux_getn(L,n,ta) (checktab(L, n, ta), luaL_len(L, n))
|
||||
|
||||
|
||||
#if defined(LUA_COMPAT_MAXN)
|
||||
|
@ -44,7 +78,8 @@ static int maxn (lua_State *L) {
|
|||
|
||||
|
||||
static int tinsert (lua_State *L) {
|
||||
lua_Integer e = aux_getn(L, 1) + 1; /* first empty element */
|
||||
TabA ta;
|
||||
lua_Integer e = aux_getn(L, 1, &ta) + 1; /* first empty element */
|
||||
lua_Integer pos; /* where to insert new element */
|
||||
switch (lua_gettop(L)) {
|
||||
case 2: { /* called with only 2 arguments */
|
||||
|
@ -56,60 +91,97 @@ static int tinsert (lua_State *L) {
|
|||
pos = luaL_checkinteger(L, 2); /* 2nd argument is the position */
|
||||
luaL_argcheck(L, 1 <= pos && pos <= e, 2, "position out of bounds");
|
||||
for (i = e; i > pos; i--) { /* move up elements */
|
||||
lua_rawgeti(L, 1, i-1);
|
||||
lua_rawseti(L, 1, i); /* t[i] = t[i-1] */
|
||||
(*ta.geti)(L, 1, i - 1);
|
||||
(*ta.seti)(L, 1, i); /* t[i] = t[i - 1] */
|
||||
}
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
return luaL_error(L, "wrong number of arguments to " LUA_QL("insert"));
|
||||
return luaL_error(L, "wrong number of arguments to 'insert'");
|
||||
}
|
||||
}
|
||||
lua_rawseti(L, 1, pos); /* t[pos] = v */
|
||||
(*ta.seti)(L, 1, pos); /* t[pos] = v */
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int tremove (lua_State *L) {
|
||||
lua_Integer size = aux_getn(L, 1);
|
||||
TabA ta;
|
||||
lua_Integer size = aux_getn(L, 1, &ta);
|
||||
lua_Integer pos = luaL_optinteger(L, 2, size);
|
||||
if (pos != size) /* validate 'pos' if given */
|
||||
luaL_argcheck(L, 1 <= pos && pos <= size + 1, 1, "position out of bounds");
|
||||
lua_rawgeti(L, 1, pos); /* result = t[pos] */
|
||||
(*ta.geti)(L, 1, pos); /* result = t[pos] */
|
||||
for ( ; pos < size; pos++) {
|
||||
lua_rawgeti(L, 1, pos+1);
|
||||
lua_rawseti(L, 1, pos); /* t[pos] = t[pos+1] */
|
||||
(*ta.geti)(L, 1, pos + 1);
|
||||
(*ta.seti)(L, 1, pos); /* t[pos] = t[pos + 1] */
|
||||
}
|
||||
lua_pushnil(L);
|
||||
lua_rawseti(L, 1, pos); /* t[pos] = nil */
|
||||
(*ta.seti)(L, 1, pos); /* t[pos] = nil */
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static void addfield (lua_State *L, luaL_Buffer *b, lua_Integer i) {
|
||||
lua_rawgeti(L, 1, i);
|
||||
static int tmove (lua_State *L) {
|
||||
TabA ta;
|
||||
lua_Integer f = luaL_checkinteger(L, 2);
|
||||
lua_Integer e = luaL_checkinteger(L, 3);
|
||||
lua_Integer t = luaL_checkinteger(L, 4);
|
||||
int tt = !lua_isnoneornil(L, 5) ? 5 : 1; /* destination table */
|
||||
/* the following restriction avoids several problems with overflows */
|
||||
luaL_argcheck(L, f > 0, 2, "initial position must be positive");
|
||||
if (e >= f) { /* otherwise, nothing to move */
|
||||
lua_Integer n, i;
|
||||
ta.geti = (luaL_getmetafield(L, 1, "__index") == LUA_TNIL)
|
||||
? (luaL_checktype(L, 1, LUA_TTABLE), lua_rawgeti)
|
||||
: lua_geti;
|
||||
ta.seti = (luaL_getmetafield(L, tt, "__newindex") == LUA_TNIL)
|
||||
? (luaL_checktype(L, tt, LUA_TTABLE), lua_rawseti)
|
||||
: lua_seti;
|
||||
n = e - f + 1; /* number of elements to move */
|
||||
if (t > f) {
|
||||
for (i = n - 1; i >= 0; i--) {
|
||||
(*ta.geti)(L, 1, f + i);
|
||||
(*ta.seti)(L, tt, t + i);
|
||||
}
|
||||
}
|
||||
else {
|
||||
for (i = 0; i < n; i++) {
|
||||
(*ta.geti)(L, 1, f + i);
|
||||
(*ta.seti)(L, tt, t + i);
|
||||
}
|
||||
}
|
||||
}
|
||||
lua_pushvalue(L, tt); /* return "to table" */
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static void addfield (lua_State *L, luaL_Buffer *b, TabA *ta, lua_Integer i) {
|
||||
(*ta->geti)(L, 1, i);
|
||||
if (!lua_isstring(L, -1))
|
||||
luaL_error(L, "invalid value (%s) at index %d in table for "
|
||||
LUA_QL("concat"), luaL_typename(L, -1), i);
|
||||
luaL_error(L, "invalid value (%s) at index %d in table for 'concat'",
|
||||
luaL_typename(L, -1), i);
|
||||
luaL_addvalue(b);
|
||||
}
|
||||
|
||||
|
||||
static int tconcat (lua_State *L) {
|
||||
TabA ta;
|
||||
luaL_Buffer b;
|
||||
size_t lsep;
|
||||
lua_Integer i, last;
|
||||
const char *sep = luaL_optlstring(L, 2, "", &lsep);
|
||||
luaL_checktype(L, 1, LUA_TTABLE);
|
||||
checktab(L, 1, &ta);
|
||||
i = luaL_optinteger(L, 3, 1);
|
||||
last = luaL_opt(L, luaL_checkinteger, 4, luaL_len(L, 1));
|
||||
luaL_buffinit(L, &b);
|
||||
for (; i < last; i++) {
|
||||
addfield(L, &b, i);
|
||||
addfield(L, &b, &ta, i);
|
||||
luaL_addlstring(&b, sep, lsep);
|
||||
}
|
||||
if (i == last) /* add last value (if interval was not empty) */
|
||||
addfield(L, &b, i);
|
||||
addfield(L, &b, &ta, i);
|
||||
luaL_pushresult(&b);
|
||||
return 1;
|
||||
}
|
||||
|
@ -135,20 +207,21 @@ static int pack (lua_State *L) {
|
|||
|
||||
|
||||
static int unpack (lua_State *L) {
|
||||
TabA ta;
|
||||
lua_Integer i, e;
|
||||
lua_Unsigned n;
|
||||
luaL_checktype(L, 1, LUA_TTABLE);
|
||||
checktab(L, 1, &ta);
|
||||
i = luaL_optinteger(L, 2, 1);
|
||||
e = luaL_opt(L, luaL_checkinteger, 3, luaL_len(L, 1));
|
||||
if (i > e) return 0; /* empty range */
|
||||
n = (lua_Unsigned)e - i; /* number of elements minus 1 (avoid overflows) */
|
||||
if (n >= (unsigned int)INT_MAX || !lua_checkstack(L, ++n))
|
||||
if (n >= (unsigned int)INT_MAX || !lua_checkstack(L, (int)(++n)))
|
||||
return luaL_error(L, "too many results to unpack");
|
||||
do { /* must have at least one element */
|
||||
lua_rawgeti(L, 1, i); /* push arg[i..e] */
|
||||
(*ta.geti)(L, 1, i); /* push arg[i..e] */
|
||||
} while (i++ < e);
|
||||
|
||||
return n;
|
||||
return (int)n;
|
||||
}
|
||||
|
||||
/* }====================================================== */
|
||||
|
@ -158,15 +231,15 @@ static int unpack (lua_State *L) {
|
|||
/*
|
||||
** {======================================================
|
||||
** Quicksort
|
||||
** (based on `Algorithms in MODULA-3', Robert Sedgewick;
|
||||
** (based on 'Algorithms in MODULA-3', Robert Sedgewick;
|
||||
** Addison-Wesley, 1993.)
|
||||
** =======================================================
|
||||
*/
|
||||
|
||||
|
||||
static void set2 (lua_State *L, int i, int j) {
|
||||
lua_rawseti(L, 1, i);
|
||||
lua_rawseti(L, 1, j);
|
||||
static void set2 (lua_State *L, TabA *ta, int i, int j) {
|
||||
(*ta->seti)(L, 1, i);
|
||||
(*ta->seti)(L, 1, j);
|
||||
}
|
||||
|
||||
static int sort_comp (lua_State *L, int a, int b) {
|
||||
|
@ -174,7 +247,7 @@ static int sort_comp (lua_State *L, int a, int b) {
|
|||
int res;
|
||||
lua_pushvalue(L, 2);
|
||||
lua_pushvalue(L, a-1); /* -1 to compensate function */
|
||||
lua_pushvalue(L, b-2); /* -2 to compensate function and `a' */
|
||||
lua_pushvalue(L, b-2); /* -2 to compensate function and 'a' */
|
||||
lua_call(L, 2, 1);
|
||||
res = lua_toboolean(L, -1);
|
||||
lua_pop(L, 1);
|
||||
|
@ -184,45 +257,45 @@ static int sort_comp (lua_State *L, int a, int b) {
|
|||
return lua_compare(L, a, b, LUA_OPLT);
|
||||
}
|
||||
|
||||
static void auxsort (lua_State *L, int l, int u) {
|
||||
static void auxsort (lua_State *L, TabA *ta, int l, int u) {
|
||||
while (l < u) { /* for tail recursion */
|
||||
int i, j;
|
||||
/* sort elements a[l], a[(l+u)/2] and a[u] */
|
||||
lua_rawgeti(L, 1, l);
|
||||
lua_rawgeti(L, 1, u);
|
||||
(*ta->geti)(L, 1, l);
|
||||
(*ta->geti)(L, 1, u);
|
||||
if (sort_comp(L, -1, -2)) /* a[u] < a[l]? */
|
||||
set2(L, l, u); /* swap a[l] - a[u] */
|
||||
set2(L, ta, l, u); /* swap a[l] - a[u] */
|
||||
else
|
||||
lua_pop(L, 2);
|
||||
if (u-l == 1) break; /* only 2 elements */
|
||||
i = (l+u)/2;
|
||||
lua_rawgeti(L, 1, i);
|
||||
lua_rawgeti(L, 1, l);
|
||||
(*ta->geti)(L, 1, i);
|
||||
(*ta->geti)(L, 1, l);
|
||||
if (sort_comp(L, -2, -1)) /* a[i]<a[l]? */
|
||||
set2(L, i, l);
|
||||
set2(L, ta, i, l);
|
||||
else {
|
||||
lua_pop(L, 1); /* remove a[l] */
|
||||
lua_rawgeti(L, 1, u);
|
||||
(*ta->geti)(L, 1, u);
|
||||
if (sort_comp(L, -1, -2)) /* a[u]<a[i]? */
|
||||
set2(L, i, u);
|
||||
set2(L, ta, i, u);
|
||||
else
|
||||
lua_pop(L, 2);
|
||||
}
|
||||
if (u-l == 2) break; /* only 3 elements */
|
||||
lua_rawgeti(L, 1, i); /* Pivot */
|
||||
(*ta->geti)(L, 1, i); /* Pivot */
|
||||
lua_pushvalue(L, -1);
|
||||
lua_rawgeti(L, 1, u-1);
|
||||
set2(L, i, u-1);
|
||||
(*ta->geti)(L, 1, u-1);
|
||||
set2(L, ta, i, u-1);
|
||||
/* a[l] <= P == a[u-1] <= a[u], only need to sort from l+1 to u-2 */
|
||||
i = l; j = u-1;
|
||||
for (;;) { /* invariant: a[l..i] <= P <= a[j..u] */
|
||||
/* repeat ++i until a[i] >= P */
|
||||
while (lua_rawgeti(L, 1, ++i), sort_comp(L, -1, -2)) {
|
||||
while ((*ta->geti)(L, 1, ++i), sort_comp(L, -1, -2)) {
|
||||
if (i>=u) luaL_error(L, "invalid order function for sorting");
|
||||
lua_pop(L, 1); /* remove a[i] */
|
||||
}
|
||||
/* repeat --j until a[j] <= P */
|
||||
while (lua_rawgeti(L, 1, --j), sort_comp(L, -3, -1)) {
|
||||
while ((*ta->geti)(L, 1, --j), sort_comp(L, -3, -1)) {
|
||||
if (j<=l) luaL_error(L, "invalid order function for sorting");
|
||||
lua_pop(L, 1); /* remove a[j] */
|
||||
}
|
||||
|
@ -230,11 +303,11 @@ static void auxsort (lua_State *L, int l, int u) {
|
|||
lua_pop(L, 3); /* pop pivot, a[i], a[j] */
|
||||
break;
|
||||
}
|
||||
set2(L, i, j);
|
||||
set2(L, ta, i, j);
|
||||
}
|
||||
lua_rawgeti(L, 1, u-1);
|
||||
lua_rawgeti(L, 1, i);
|
||||
set2(L, u-1, i); /* swap pivot (a[u-1]) with a[i] */
|
||||
(*ta->geti)(L, 1, u-1);
|
||||
(*ta->geti)(L, 1, i);
|
||||
set2(L, ta, u-1, i); /* swap pivot (a[u-1]) with a[i] */
|
||||
/* a[l..i-1] <= a[i] == P <= a[i+1..u] */
|
||||
/* adjust so that smaller half is in [j..i] and larger one in [l..u] */
|
||||
if (i-l < u-i) {
|
||||
|
@ -243,17 +316,18 @@ static void auxsort (lua_State *L, int l, int u) {
|
|||
else {
|
||||
j=i+1; i=u; u=j-2;
|
||||
}
|
||||
auxsort(L, j, i); /* call recursively the smaller one */
|
||||
auxsort(L, ta, j, i); /* call recursively the smaller one */
|
||||
} /* repeat the routine for the larger one */
|
||||
}
|
||||
|
||||
static int sort (lua_State *L) {
|
||||
int n = aux_getn(L, 1);
|
||||
luaL_checkstack(L, 40, ""); /* assume array is smaller than 2^40 */
|
||||
TabA ta;
|
||||
int n = (int)aux_getn(L, 1, &ta);
|
||||
luaL_checkstack(L, 50, ""); /* assume array is smaller than 2^50 */
|
||||
if (!lua_isnoneornil(L, 2)) /* is there a 2nd argument? */
|
||||
luaL_checktype(L, 2, LUA_TFUNCTION);
|
||||
lua_settop(L, 2); /* make sure there is two arguments */
|
||||
auxsort(L, 1, n);
|
||||
lua_settop(L, 2); /* make sure there are two arguments */
|
||||
auxsort(L, &ta, 1, n);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -269,6 +343,7 @@ static const luaL_Reg tab_funcs[] = {
|
|||
{"pack", pack},
|
||||
{"unpack", unpack},
|
||||
{"remove", tremove},
|
||||
{"move", tmove},
|
||||
{"sort", sort},
|
||||
{NULL, NULL}
|
||||
};
|
||||
|
|
|
@ -1,19 +1,21 @@
|
|||
/* $NetBSD: ltm.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: ltm.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ltm.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: ltm.c,v 2.33 2014/11/21 12:15:57 roberto Exp
|
||||
** Tag methods
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define ltm_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define ltm_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "ldebug.h"
|
||||
|
@ -93,7 +95,7 @@ const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, TMS event) {
|
|||
void luaT_callTM (lua_State *L, const TValue *f, const TValue *p1,
|
||||
const TValue *p2, TValue *p3, int hasres) {
|
||||
ptrdiff_t result = savestack(L, p3);
|
||||
setobj2s(L, L->top++, f); /* push function */
|
||||
setobj2s(L, L->top++, f); /* push function (assume EXTRA_STACK) */
|
||||
setobj2s(L, L->top++, p1); /* 1st argument */
|
||||
setobj2s(L, L->top++, p2); /* 2nd argument */
|
||||
if (!hasres) /* no result? 'p3' is third argument */
|
||||
|
@ -124,15 +126,17 @@ void luaT_trybinTM (lua_State *L, const TValue *p1, const TValue *p2,
|
|||
switch (event) {
|
||||
case TM_CONCAT:
|
||||
luaG_concaterror(L, p1, p2);
|
||||
case TM_IDIV: case TM_BAND: case TM_BOR: case TM_BXOR:
|
||||
case TM_BAND: case TM_BOR: case TM_BXOR:
|
||||
case TM_SHL: case TM_SHR: case TM_BNOT: {
|
||||
lua_Number dummy;
|
||||
if (tonumber(p1, &dummy) && tonumber(p2, &dummy))
|
||||
luaG_tointerror(L, p1, p2);
|
||||
else
|
||||
luaG_opinterror(L, p1, p2, "perform bitwise operation on");
|
||||
/* else go through */
|
||||
}
|
||||
default:
|
||||
luaG_aritherror(L, p1, p2);
|
||||
luaG_opinterror(L, p1, p2, "perform arithmetic on");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: ltm.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: ltm.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: ltm.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: ltm.h,v 2.21 2014/10/25 11:50:46 roberto Exp
|
||||
** Tag methods
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -23,7 +23,7 @@ typedef enum {
|
|||
TM_GC,
|
||||
TM_MODE,
|
||||
TM_LEN,
|
||||
TM_EQ, /* last tag method with `fast' access */
|
||||
TM_EQ, /* last tag method with fast access */
|
||||
TM_ADD,
|
||||
TM_SUB,
|
||||
TM_MUL,
|
||||
|
|
|
@ -1,19 +1,19 @@
|
|||
/* $NetBSD: lua.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lua.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: lua.c,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Lua stand-alone interpreter
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lua_c
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#include <signal.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#define lua_c
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "lauxlib.h"
|
||||
|
@ -52,14 +52,14 @@
|
|||
#include <unistd.h>
|
||||
#define lua_stdin_is_tty() isatty(0)
|
||||
|
||||
#elif defined(LUA_WIN) /* }{ */
|
||||
#elif defined(LUA_USE_WINDOWS) /* }{ */
|
||||
|
||||
#include <io.h>
|
||||
#define lua_stdin_is_tty() _isatty(_fileno(stdin))
|
||||
|
||||
#else /* }{ */
|
||||
|
||||
/* ANSI definition */
|
||||
/* ISO C definition */
|
||||
#define lua_stdin_is_tty() 1 /* assume stdin is a tty */
|
||||
|
||||
#endif /* } */
|
||||
|
@ -117,7 +117,7 @@ static void lstop (lua_State *L, lua_Debug *ar) {
|
|||
|
||||
/*
|
||||
** Function to be called at a C signal. Because a C signal cannot
|
||||
** just change a Lua state (as there is no proper syncronization),
|
||||
** just change a Lua state (as there is no proper synchronization),
|
||||
** this function only sets a hook that, when called, will stop the
|
||||
** interpreter.
|
||||
*/
|
||||
|
@ -128,17 +128,17 @@ static void laction (int i) {
|
|||
|
||||
|
||||
static void print_usage (const char *badoption) {
|
||||
luai_writestringerror("%s: ", progname);
|
||||
lua_writestringerror("%s: ", progname);
|
||||
if (badoption[1] == 'e' || badoption[1] == 'l')
|
||||
luai_writestringerror("'%s' needs argument\n", badoption);
|
||||
lua_writestringerror("'%s' needs argument\n", badoption);
|
||||
else
|
||||
luai_writestringerror("unrecognized option '%s'\n", badoption);
|
||||
luai_writestringerror(
|
||||
lua_writestringerror("unrecognized option '%s'\n", badoption);
|
||||
lua_writestringerror(
|
||||
"usage: %s [options] [script [args]]\n"
|
||||
"Available options are:\n"
|
||||
" -e stat execute string " LUA_QL("stat") "\n"
|
||||
" -i enter interactive mode after executing " LUA_QL("script") "\n"
|
||||
" -l name require library " LUA_QL("name") "\n"
|
||||
" -e stat execute string 'stat'\n"
|
||||
" -i enter interactive mode after executing 'script'\n"
|
||||
" -l name require library 'name'\n"
|
||||
" -v show version information\n"
|
||||
" -E ignore environment variables\n"
|
||||
" -- stop handling options\n"
|
||||
|
@ -153,41 +153,41 @@ static void print_usage (const char *badoption) {
|
|||
** (if present)
|
||||
*/
|
||||
static void l_message (const char *pname, const char *msg) {
|
||||
if (pname) luai_writestringerror("%s: ", pname);
|
||||
luai_writestringerror("%s\n", msg);
|
||||
if (pname) lua_writestringerror("%s: ", pname);
|
||||
lua_writestringerror("%s\n", msg);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Check whether 'status' is not OK and, if so, prints the error
|
||||
** message on the top of the stack. Because this function can be called
|
||||
** unprotected, it only accepts actual strings as error messages. (A
|
||||
** coercion could raise a memory error.)
|
||||
** message on the top of the stack. It assumes that the error object
|
||||
** is a string, as it was either generated by Lua or by 'msghandler'.
|
||||
*/
|
||||
static int report (lua_State *L, int status) {
|
||||
if (status != LUA_OK) {
|
||||
const char *msg = (lua_type(L, -1) == LUA_TSTRING) ? lua_tostring(L, -1)
|
||||
: NULL;
|
||||
if (msg == NULL) msg = "(error object is not a string)";
|
||||
const char *msg = lua_tostring(L, -1);
|
||||
l_message(progname, msg);
|
||||
lua_pop(L, 1);
|
||||
lua_pop(L, 1); /* remove message */
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Message handler to be used to run all chunks
|
||||
** Message handler used to run all chunks
|
||||
*/
|
||||
static int msghandler (lua_State *L) {
|
||||
const char *msg = lua_tostring(L, 1);
|
||||
if (msg) /* is error object a string? */
|
||||
luaL_traceback(L, L, msg, 1); /* use standard traceback */
|
||||
else if (!lua_isnoneornil(L, 1)) { /* non-string error object? */
|
||||
if (!luaL_callmeta(L, 1, "__tostring")) /* try its 'tostring' metamethod */
|
||||
lua_pushliteral(L, "(no error message)");
|
||||
} /* else no error object, does nothing */
|
||||
return 1;
|
||||
if (msg == NULL) { /* is error object not a string? */
|
||||
if (luaL_callmeta(L, 1, "__tostring") && /* does it have a metamethod */
|
||||
lua_type(L, -1) == LUA_TSTRING) /* that produces a string? */
|
||||
return 1; /* that is the message */
|
||||
else
|
||||
msg = lua_pushfstring(L, "(error object is a %s value)",
|
||||
luaL_typename(L, 1));
|
||||
}
|
||||
luaL_traceback(L, L, msg, 1); /* append a standard traceback */
|
||||
return 1; /* return the traceback */
|
||||
}
|
||||
|
||||
|
||||
|
@ -210,8 +210,8 @@ static int docall (lua_State *L, int narg, int nres) {
|
|||
|
||||
|
||||
static void print_version (void) {
|
||||
luai_writestring(LUA_COPYRIGHT, strlen(LUA_COPYRIGHT));
|
||||
luai_writeline();
|
||||
lua_writestring(LUA_COPYRIGHT, strlen(LUA_COPYRIGHT));
|
||||
lua_writeline();
|
||||
}
|
||||
|
||||
|
||||
|
@ -286,7 +286,7 @@ static const char *get_prompt (lua_State *L, int firstline) {
|
|||
/*
|
||||
** Check whether 'status' signals a syntax error and the error
|
||||
** message at the top of the stack ends with the above mark for
|
||||
** incoplete statements.
|
||||
** incomplete statements.
|
||||
*/
|
||||
static int incomplete (lua_State *L, int status) {
|
||||
if (status == LUA_ERRSYNTAX) {
|
||||
|
@ -391,9 +391,8 @@ static void l_print (lua_State *L) {
|
|||
lua_getglobal(L, "print");
|
||||
lua_insert(L, 1);
|
||||
if (lua_pcall(L, n, 0, 0) != LUA_OK)
|
||||
l_message(progname, lua_pushfstring(L,
|
||||
"error calling " LUA_QL("print") " (%s)",
|
||||
lua_tostring(L, -1)));
|
||||
l_message(progname, lua_pushfstring(L, "error calling 'print' (%s)",
|
||||
lua_tostring(L, -1)));
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -413,31 +412,36 @@ static void doREPL (lua_State *L) {
|
|||
else report(L, status);
|
||||
}
|
||||
lua_settop(L, 0); /* clear stack */
|
||||
luai_writeline();
|
||||
lua_writeline();
|
||||
progname = oldprogname;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Push on the stack 'n' strings from 'argv'
|
||||
** Push on the stack the contents of table 'arg' from 1 to #arg
|
||||
*/
|
||||
static void pushargs (lua_State *L, char **argv, int n) {
|
||||
int i;
|
||||
static int pushargs (lua_State *L) {
|
||||
int i, n;
|
||||
if (lua_getglobal(L, "arg") != LUA_TTABLE)
|
||||
luaL_error(L, "'arg' is not a table");
|
||||
n = (int)luaL_len(L, -1);
|
||||
luaL_checkstack(L, n + 3, "too many arguments to script");
|
||||
for (i = 1; i < n; i++) /* skip 0 (the script name) */
|
||||
lua_pushstring(L, argv[i]);
|
||||
for (i = 1; i <= n; i++)
|
||||
lua_rawgeti(L, -i, i);
|
||||
lua_remove(L, -i); /* remove table from the stack */
|
||||
return n;
|
||||
}
|
||||
|
||||
|
||||
static int handle_script (lua_State *L, char **argv, int n) {
|
||||
static int handle_script (lua_State *L, char **argv) {
|
||||
int status;
|
||||
const char *fname = argv[0];
|
||||
if (strcmp(fname, "-") == 0 && strcmp(argv[-1], "--") != 0)
|
||||
fname = NULL; /* stdin */
|
||||
status = luaL_loadfile(L, fname);
|
||||
if (status == LUA_OK) {
|
||||
pushargs(L, argv, n); /* push arguments to script */
|
||||
status = docall(L, n - 1, LUA_MULTRET);
|
||||
int n = pushargs(L); /* push arguments to script */
|
||||
status = docall(L, n, LUA_MULTRET);
|
||||
}
|
||||
return report(L, status);
|
||||
}
|
||||
|
@ -572,7 +576,7 @@ static int pmain (lua_State *L) {
|
|||
if (!runargs(L, argv, script)) /* execute arguments -e and -l */
|
||||
return 0; /* something failed */
|
||||
if (script < argc && /* execute main script (if there is one) */
|
||||
handle_script(L, argv + script, argc - script) != LUA_OK)
|
||||
handle_script(L, argv + script) != LUA_OK)
|
||||
return 0;
|
||||
if (args & has_i) /* -i option? */
|
||||
doREPL(L); /* do read-eval-print loop */
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: lua.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lua.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lua.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lua.h,v 1.325 2014/12/26 17:24:27 roberto Exp
|
||||
** Lua - A Scripting Language
|
||||
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
|
||||
** See Copyright Notice at the end of this file
|
||||
|
@ -11,8 +11,8 @@
|
|||
#ifndef lua_h
|
||||
#define lua_h
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <stdarg.h>
|
||||
#ifndef _KERNEL
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
|
||||
|
@ -24,26 +24,25 @@
|
|||
#define LUA_VERSION_MINOR "3"
|
||||
#define LUA_VERSION_NUM 503
|
||||
#ifndef _KERNEL
|
||||
#define LUA_VERSION_RELEASE "0 (work3)"
|
||||
#else
|
||||
#define LUA_VERSION_RELEASE "0 (work3) (kernel)"
|
||||
#define LUA_VERSION_RELEASE "0"
|
||||
#else /* _KERNEL */
|
||||
#define LUA_VERSION_RELEASE "0 (kernel)"
|
||||
#endif
|
||||
|
||||
#define LUA_VERSION "Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
|
||||
#define LUA_RELEASE LUA_VERSION "." LUA_VERSION_RELEASE
|
||||
#ifndef _KERNEL
|
||||
#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2014 Lua.org, PUC-Rio"
|
||||
#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
|
||||
#else
|
||||
#define LUA_COPYRIGHT LUA_RELEASE " " \
|
||||
"Copyright (c) 2014, Lourival Vieira Neto <lneto@NetBSD.org>. " \
|
||||
"Copyright (C) 1994-2014 Lua.org, PUC-Rio"
|
||||
#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes" \
|
||||
", L. Vieira Neto"
|
||||
#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2015 Lua.org, PUC-Rio"
|
||||
#else /* _KERNEL */
|
||||
#define LUA_COPYRIGHT LUA_RELEASE \
|
||||
" Copyright (c) 2015, Lourival Vieira Neto <lneto@NetBSD.org>." \
|
||||
" Copyright (C) 1994-2015 Lua.org, PUC-Rio"
|
||||
#endif
|
||||
#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
|
||||
|
||||
|
||||
/* mark for precompiled code ('<esc>Lua') */
|
||||
#define LUA_SIGNATURE "\033Lua"
|
||||
#define LUA_SIGNATURE "\x1bLua"
|
||||
|
||||
/* option for multiple returns in 'lua_pcall' and 'lua_call' */
|
||||
#define LUA_MULTRET (-1)
|
||||
|
@ -68,30 +67,6 @@
|
|||
|
||||
typedef struct lua_State lua_State;
|
||||
|
||||
/*
|
||||
** Type for C functions registered with Lua
|
||||
*/
|
||||
typedef int (*lua_CFunction) (lua_State *L);
|
||||
|
||||
/*
|
||||
** Type for continuation functions
|
||||
*/
|
||||
typedef int (*lua_KFunction) (lua_State *L, int status, int ctx);
|
||||
|
||||
|
||||
/*
|
||||
** functions that read/write blocks when loading/dumping Lua chunks
|
||||
*/
|
||||
typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);
|
||||
|
||||
typedef int (*lua_Writer) (lua_State *L, const void *p, size_t sz, void *ud);
|
||||
|
||||
|
||||
/*
|
||||
** prototype for memory-allocation functions
|
||||
*/
|
||||
typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
|
||||
|
||||
|
||||
/*
|
||||
** basic types
|
||||
|
@ -132,6 +107,34 @@ typedef LUA_INTEGER lua_Integer;
|
|||
/* unsigned integer type */
|
||||
typedef LUA_UNSIGNED lua_Unsigned;
|
||||
|
||||
/* type for continuation-function contexts */
|
||||
typedef LUA_KCONTEXT lua_KContext;
|
||||
|
||||
|
||||
/*
|
||||
** Type for C functions registered with Lua
|
||||
*/
|
||||
typedef int (*lua_CFunction) (lua_State *L);
|
||||
|
||||
/*
|
||||
** Type for continuation functions
|
||||
*/
|
||||
typedef int (*lua_KFunction) (lua_State *L, int status, lua_KContext ctx);
|
||||
|
||||
|
||||
/*
|
||||
** Type for functions that read/write blocks when loading/dumping Lua chunks
|
||||
*/
|
||||
typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);
|
||||
|
||||
typedef int (*lua_Writer) (lua_State *L, const void *p, size_t sz, void *ud);
|
||||
|
||||
|
||||
/*
|
||||
** Type for memory-allocation functions
|
||||
*/
|
||||
typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
|
||||
|
||||
|
||||
|
||||
/*
|
||||
|
@ -169,9 +172,8 @@ LUA_API int (lua_gettop) (lua_State *L);
|
|||
LUA_API void (lua_settop) (lua_State *L, int idx);
|
||||
LUA_API void (lua_pushvalue) (lua_State *L, int idx);
|
||||
LUA_API void (lua_rotate) (lua_State *L, int idx, int n);
|
||||
LUA_API void (lua_replace) (lua_State *L, int idx);
|
||||
LUA_API void (lua_copy) (lua_State *L, int fromidx, int toidx);
|
||||
LUA_API int (lua_checkstack) (lua_State *L, int sz);
|
||||
LUA_API int (lua_checkstack) (lua_State *L, int n);
|
||||
|
||||
LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n);
|
||||
|
||||
|
@ -180,7 +182,11 @@ LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n);
|
|||
** access functions (stack -> C)
|
||||
*/
|
||||
|
||||
#ifndef _KERNEL
|
||||
LUA_API int (lua_isnumber) (lua_State *L, int idx);
|
||||
#else /* _KERNEL */
|
||||
#define lua_isnumber lua_isinteger
|
||||
#endif
|
||||
LUA_API int (lua_isstring) (lua_State *L, int idx);
|
||||
LUA_API int (lua_iscfunction) (lua_State *L, int idx);
|
||||
LUA_API int (lua_isinteger) (lua_State *L, int idx);
|
||||
|
@ -188,9 +194,12 @@ LUA_API int (lua_isuserdata) (lua_State *L, int idx);
|
|||
LUA_API int (lua_type) (lua_State *L, int idx);
|
||||
LUA_API const char *(lua_typename) (lua_State *L, int tp);
|
||||
|
||||
#ifndef _KERNEL
|
||||
LUA_API lua_Number (lua_tonumberx) (lua_State *L, int idx, int *isnum);
|
||||
#else /* _KERNEL */
|
||||
#define lua_tonumberx (lua_Integer) lua_tointegerx
|
||||
#endif
|
||||
LUA_API lua_Integer (lua_tointegerx) (lua_State *L, int idx, int *isnum);
|
||||
LUA_API lua_Unsigned (lua_tounsignedx) (lua_State *L, int idx, int *isnum);
|
||||
LUA_API int (lua_toboolean) (lua_State *L, int idx);
|
||||
LUA_API const char *(lua_tolstring) (lua_State *L, int idx, size_t *len);
|
||||
LUA_API size_t (lua_rawlen) (lua_State *L, int idx);
|
||||
|
@ -219,7 +228,7 @@ LUA_API const void *(lua_topointer) (lua_State *L, int idx);
|
|||
#define LUA_OPSHR 11
|
||||
#define LUA_OPUNM 12
|
||||
#define LUA_OPBNOT 13
|
||||
#else
|
||||
#else /* _KERNEL */
|
||||
#define LUA_OPIDIV 4
|
||||
#define LUA_OPBAND 5
|
||||
#define LUA_OPBOR 6
|
||||
|
@ -244,10 +253,13 @@ LUA_API int (lua_compare) (lua_State *L, int idx1, int idx2, int op);
|
|||
** push functions (C -> stack)
|
||||
*/
|
||||
LUA_API void (lua_pushnil) (lua_State *L);
|
||||
#ifndef _KERNEL
|
||||
LUA_API void (lua_pushnumber) (lua_State *L, lua_Number n);
|
||||
#else /* _KERNEL */
|
||||
#define lua_pushnumber(L, n) lua_pushinteger(L, (lua_Integer)(n))
|
||||
#endif
|
||||
LUA_API void (lua_pushinteger) (lua_State *L, lua_Integer n);
|
||||
LUA_API void (lua_pushunsigned) (lua_State *L, lua_Unsigned n);
|
||||
LUA_API const char *(lua_pushlstring) (lua_State *L, const char *s, size_t l);
|
||||
LUA_API const char *(lua_pushlstring) (lua_State *L, const char *s, size_t len);
|
||||
LUA_API const char *(lua_pushstring) (lua_State *L, const char *s);
|
||||
LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt,
|
||||
va_list argp);
|
||||
|
@ -261,9 +273,10 @@ LUA_API int (lua_pushthread) (lua_State *L);
|
|||
/*
|
||||
** get functions (Lua -> stack)
|
||||
*/
|
||||
LUA_API int (lua_getglobal) (lua_State *L, const char *var);
|
||||
LUA_API int (lua_getglobal) (lua_State *L, const char *name);
|
||||
LUA_API int (lua_gettable) (lua_State *L, int idx);
|
||||
LUA_API int (lua_getfield) (lua_State *L, int idx, const char *k);
|
||||
LUA_API int (lua_geti) (lua_State *L, int idx, lua_Integer n);
|
||||
LUA_API int (lua_rawget) (lua_State *L, int idx);
|
||||
LUA_API int (lua_rawgeti) (lua_State *L, int idx, lua_Integer n);
|
||||
LUA_API int (lua_rawgetp) (lua_State *L, int idx, const void *p);
|
||||
|
@ -277,9 +290,10 @@ LUA_API int (lua_getuservalue) (lua_State *L, int idx);
|
|||
/*
|
||||
** set functions (stack -> Lua)
|
||||
*/
|
||||
LUA_API void (lua_setglobal) (lua_State *L, const char *var);
|
||||
LUA_API void (lua_setglobal) (lua_State *L, const char *name);
|
||||
LUA_API void (lua_settable) (lua_State *L, int idx);
|
||||
LUA_API void (lua_setfield) (lua_State *L, int idx, const char *k);
|
||||
LUA_API void (lua_seti) (lua_State *L, int idx, lua_Integer n);
|
||||
LUA_API void (lua_rawset) (lua_State *L, int idx);
|
||||
LUA_API void (lua_rawseti) (lua_State *L, int idx, lua_Integer n);
|
||||
LUA_API void (lua_rawsetp) (lua_State *L, int idx, const void *p);
|
||||
|
@ -290,17 +304,16 @@ LUA_API void (lua_setuservalue) (lua_State *L, int idx);
|
|||
/*
|
||||
** 'load' and 'call' functions (load and run Lua code)
|
||||
*/
|
||||
LUA_API void (lua_callk) (lua_State *L, int nargs, int nresults, int ctx,
|
||||
lua_KFunction k);
|
||||
LUA_API void (lua_callk) (lua_State *L, int nargs, int nresults,
|
||||
lua_KContext ctx, lua_KFunction k);
|
||||
#define lua_call(L,n,r) lua_callk(L, (n), (r), 0, NULL)
|
||||
|
||||
LUA_API int (lua_pcallk) (lua_State *L, int nargs, int nresults, int errfunc,
|
||||
int ctx, lua_KFunction k);
|
||||
lua_KContext ctx, lua_KFunction k);
|
||||
#define lua_pcall(L,n,r,f) lua_pcallk(L, (n), (r), (f), 0, NULL)
|
||||
|
||||
LUA_API int (lua_load) (lua_State *L, lua_Reader reader, void *dt,
|
||||
const char *chunkname,
|
||||
const char *mode);
|
||||
const char *chunkname, const char *mode);
|
||||
|
||||
LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data, int strip);
|
||||
|
||||
|
@ -308,12 +321,13 @@ LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data, int strip);
|
|||
/*
|
||||
** coroutine functions
|
||||
*/
|
||||
LUA_API int (lua_yieldk) (lua_State *L, int nresults, int ctx,
|
||||
lua_KFunction k);
|
||||
LUA_API int (lua_yieldk) (lua_State *L, int nresults, lua_KContext ctx,
|
||||
lua_KFunction k);
|
||||
LUA_API int (lua_resume) (lua_State *L, lua_State *from, int narg);
|
||||
LUA_API int (lua_status) (lua_State *L);
|
||||
LUA_API int (lua_isyieldable) (lua_State *L);
|
||||
|
||||
#define lua_yield(L,n) lua_yieldk(L, (n), 0, NULL)
|
||||
LUA_API int (lua_resume) (lua_State *L, lua_State *from, int narg);
|
||||
LUA_API int (lua_status) (lua_State *L);
|
||||
LUA_API int lua_isyieldable (lua_State *L);
|
||||
|
||||
|
||||
/*
|
||||
|
@ -344,7 +358,7 @@ LUA_API int (lua_next) (lua_State *L, int idx);
|
|||
LUA_API void (lua_concat) (lua_State *L, int n);
|
||||
LUA_API void (lua_len) (lua_State *L, int idx);
|
||||
|
||||
LUA_API size_t (lua_strtonum) (lua_State *L, const char *s);
|
||||
LUA_API size_t (lua_stringtonumber) (lua_State *L, const char *s);
|
||||
|
||||
LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud);
|
||||
LUA_API void (lua_setallocf) (lua_State *L, lua_Alloc f, void *ud);
|
||||
|
@ -352,14 +366,15 @@ LUA_API void (lua_setallocf) (lua_State *L, lua_Alloc f, void *ud);
|
|||
|
||||
|
||||
/*
|
||||
** ===============================================================
|
||||
** {==============================================================
|
||||
** some useful macros
|
||||
** ===============================================================
|
||||
*/
|
||||
|
||||
#define lua_getextraspace(L) ((void *)((char *)(L) - LUA_EXTRASPACE))
|
||||
|
||||
#define lua_tonumber(L,i) lua_tonumberx(L,(i),NULL)
|
||||
#define lua_tointeger(L,i) lua_tointegerx(L,(i),NULL)
|
||||
#define lua_tounsigned(L,i) lua_tounsignedx(L,(i),NULL)
|
||||
|
||||
#define lua_pop(L,n) lua_settop(L, -(n)-1)
|
||||
|
||||
|
@ -391,6 +406,24 @@ LUA_API void (lua_setallocf) (lua_State *L, lua_Alloc f, void *ud);
|
|||
|
||||
#define lua_remove(L,idx) (lua_rotate(L, (idx), -1), lua_pop(L, 1))
|
||||
|
||||
#define lua_replace(L,idx) (lua_copy(L, -1, (idx)), lua_pop(L, 1))
|
||||
|
||||
/* }============================================================== */
|
||||
|
||||
|
||||
/*
|
||||
** {==============================================================
|
||||
** compatibility macros for unsigned conversions
|
||||
** ===============================================================
|
||||
*/
|
||||
#if defined(LUA_COMPAT_APIINTCASTS)
|
||||
|
||||
#define lua_pushunsigned(L,n) lua_pushinteger(L, (lua_Integer)(n))
|
||||
#define lua_tounsignedx(L,i,is) ((lua_Unsigned)lua_tointegerx(L,i,is))
|
||||
#define lua_tounsigned(L,i) lua_tounsignedx(L,(i),NULL)
|
||||
|
||||
#endif
|
||||
/* }============================================================== */
|
||||
|
||||
/*
|
||||
** {======================================================================
|
||||
|
@ -463,8 +496,10 @@ struct lua_Debug {
|
|||
|
||||
|
||||
/******************************************************************************
|
||||
* Copyright (c) 2014, Lourival Vieira Neto <lneto@NetBSD.org>.
|
||||
* Copyright (C) 1994-2014 Lua.org, PUC-Rio.
|
||||
#ifdef _KERNEL
|
||||
* Copyright (c) 2015, Lourival Vieira Neto <lneto@NetBSD.org>.
|
||||
#endif
|
||||
* Copyright (C) 1994-2015 Lua.org, PUC-Rio.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
|
|
|
@ -1,19 +1,20 @@
|
|||
/* $NetBSD: luac.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: luac.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Lua compiler (saves bytecodes to files; also list bytecodes)
|
||||
** $Id: luac.c,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Lua compiler (saves bytecodes to files; also lists bytecodes)
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define luac_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
#include <ctype.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#define luac_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
#include "lauxlib.h"
|
||||
|
||||
|
@ -49,14 +50,14 @@ static void cannot(const char* what)
|
|||
static void usage(const char* message)
|
||||
{
|
||||
if (*message=='-')
|
||||
fprintf(stderr,"%s: unrecognized option " LUA_QS "\n",progname,message);
|
||||
fprintf(stderr,"%s: unrecognized option '%s'\n",progname,message);
|
||||
else
|
||||
fprintf(stderr,"%s: %s\n",progname,message);
|
||||
fprintf(stderr,
|
||||
"usage: %s [options] [filenames]\n"
|
||||
"Available options are:\n"
|
||||
" -l list (use -l -l for full listing)\n"
|
||||
" -o name output to file " LUA_QL("name") " (default is \"%s\")\n"
|
||||
" -o name output to file 'name' (default is \"%s\")\n"
|
||||
" -p parse only\n"
|
||||
" -s strip debug information\n"
|
||||
" -v show version information\n"
|
||||
|
@ -91,7 +92,7 @@ static int doargs(int argc, char* argv[])
|
|||
{
|
||||
output=argv[++i];
|
||||
if (output==NULL || *output==0 || (*output=='-' && output[1]!=0))
|
||||
usage(LUA_QL("-o") " needs argument");
|
||||
usage("'-o' needs argument");
|
||||
if (IS("-")) output=NULL;
|
||||
}
|
||||
else if (IS("-p")) /* parse only */
|
||||
|
@ -205,7 +206,7 @@ int main(int argc, char* argv[])
|
|||
}
|
||||
|
||||
/*
|
||||
** $Id: luac.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: luac.c,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** print bytecodes
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -225,7 +226,7 @@ int main(int argc, char* argv[])
|
|||
static void PrintString(const TString* ts)
|
||||
{
|
||||
const char* s=getstr(ts);
|
||||
size_t i,n=ts->tsv.len;
|
||||
size_t i,n=ts->len;
|
||||
printf("%c",'"');
|
||||
for (i=0; i<n; i++)
|
||||
{
|
||||
|
@ -261,16 +262,19 @@ static void PrintConstant(const Proto* f, int i)
|
|||
case LUA_TBOOLEAN:
|
||||
printf(bvalue(o) ? "true" : "false");
|
||||
break;
|
||||
#ifndef _KERNEL
|
||||
case LUA_TNUMFLT:
|
||||
printf(LUA_NUMBER_FMT,fltvalue(o));
|
||||
{
|
||||
char buff[100];
|
||||
sprintf(buff,LUA_NUMBER_FMT,fltvalue(o));
|
||||
printf("%s",buff);
|
||||
if (buff[strspn(buff,"-0123456789")]=='\0') printf(".0");
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
case LUA_TNUMINT:
|
||||
printf(LUA_INTEGER_FMT,ivalue(o));
|
||||
break;
|
||||
case LUA_TSHRSTR: case LUA_TLNGSTR:
|
||||
PrintString(rawtsvalue(o));
|
||||
PrintString(tsvalue(o));
|
||||
break;
|
||||
default: /* cannot happen */
|
||||
printf("? type=%d",ttype(o));
|
||||
|
@ -344,10 +348,8 @@ static void PrintCode(const Proto* f)
|
|||
case OP_ADD:
|
||||
case OP_SUB:
|
||||
case OP_MUL:
|
||||
#ifndef _KERNEL
|
||||
case OP_POW:
|
||||
case OP_DIV:
|
||||
#endif
|
||||
case OP_IDIV:
|
||||
case OP_BAND:
|
||||
case OP_BOR:
|
||||
|
|
|
@ -1,109 +1,162 @@
|
|||
/* $NetBSD: luaconf.h,v 1.10 2014/11/30 19:00:46 lneto Exp $ */
|
||||
/* $NetBSD: luaconf.h,v 1.11 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: luaconf.h,v 1.10 2014/11/30 19:00:46 lneto Exp $
|
||||
** Id: luaconf.h,v 1.238 2014/12/29 13:27:55 roberto Exp
|
||||
** Configuration file for Lua
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
|
||||
#ifndef lconfig_h
|
||||
#define lconfig_h
|
||||
#ifndef luaconf_h
|
||||
#define luaconf_h
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <limits.h>
|
||||
#include <stddef.h>
|
||||
#else
|
||||
/* limits.h */
|
||||
#include <machine/limits.h>
|
||||
#include <sys/systm.h>
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
** ==================================================================
|
||||
** ===================================================================
|
||||
** Search for "@@" to find all configurable definitions.
|
||||
** ===================================================================
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
** ===================================================================
|
||||
@@ LUA_INT_INT / LUA_INT_LONG / LUA_INT_LONGLONG defines type for
|
||||
@@ Lua integers;
|
||||
@@ LUA_REAL_FLOAT / LUA_REAL_DOUBLE / LUA_REAL_LONGDOUBLE defines
|
||||
@@ type for Lua floats.
|
||||
**
|
||||
** These definitions set the numeric types for Lua. Lua should work
|
||||
** fine with any mix of these previous options.
|
||||
** The usual configurations are 64-bit integers and floats (the default)
|
||||
** and 32-bit integers and floats (Small Lua, for restricted hardware).
|
||||
** {====================================================================
|
||||
** System Configuration: macros to adapt (if needed) Lua to some
|
||||
** particular platform, for instance compiling it with 32-bit numbers or
|
||||
** restricting it to C89.
|
||||
** =====================================================================
|
||||
*/
|
||||
#define LUA_INT_LONGLONG
|
||||
#define LUA_REAL_DOUBLE
|
||||
|
||||
/*
|
||||
@@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. You
|
||||
** can also define LUA_32BITS in the make file, but changing here you
|
||||
** ensure that all software connected to Lua will be compiled with the
|
||||
** same configuration.
|
||||
*/
|
||||
/* #define LUA_32BITS */
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_ANSI controls the use of non-ansi features.
|
||||
** CHANGE it (define it) if you want Lua to avoid the use of any
|
||||
** non-ansi feature or library.
|
||||
@@ LUA_USE_C89 controls the use of non-ISO-C89 features.
|
||||
** Define it if you want Lua to avoid the use of a few C99 features
|
||||
** or Windows-specific features on Windows.
|
||||
*/
|
||||
#if !defined(LUA_ANSI) && defined(__STRICT_ANSI__)
|
||||
#define LUA_ANSI
|
||||
/* #define LUA_USE_C89 */
|
||||
|
||||
|
||||
/*
|
||||
** By default, Lua on Windows use (some) specific Windows features
|
||||
*/
|
||||
#if !defined(LUA_USE_C89) && defined(_WIN32) && !defined(_WIN32_WCE)
|
||||
#define LUA_USE_WINDOWS /* enable goodies for regular Windows */
|
||||
#endif
|
||||
|
||||
|
||||
#if !defined(LUA_ANSI) && defined(_WIN32) && !defined(_WIN32_WCE)
|
||||
#define LUA_WIN /* enable goodies for regular Windows platforms */
|
||||
#if defined(LUA_USE_WINDOWS)
|
||||
#define LUA_DL_DLL /* enable support for DLL */
|
||||
#define LUA_USE_C89 /* broadly, Windows is C89 */
|
||||
#endif
|
||||
|
||||
#if defined(LUA_WIN)
|
||||
#define LUA_DL_DLL
|
||||
#define LUA_USE_AFORMAT /* assume 'printf' handles 'aA' specifiers */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
#if defined(LUA_USE_LINUX)
|
||||
#define LUA_USE_C99
|
||||
#define LUA_USE_POSIX
|
||||
#define LUA_USE_DLOPEN /* needs an extra library: -ldl */
|
||||
#define LUA_USE_READLINE /* needs some extra libraries */
|
||||
#endif
|
||||
|
||||
|
||||
#if defined(LUA_USE_MACOSX)
|
||||
#define LUA_USE_C99
|
||||
#define LUA_USE_POSIX
|
||||
#define LUA_USE_DLOPEN /* does not need -ldl */
|
||||
#define LUA_USE_DLOPEN /* MacOS does not need -ldl */
|
||||
#define LUA_USE_READLINE /* needs an extra library: -lreadline */
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_USE_C99 includes all functionality that depends on C 99.
|
||||
** CHANGE it (define it) if your system is compatible.
|
||||
@@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for
|
||||
** C89 ('long' and 'double'); Windows always has '__int64', so it does
|
||||
** not need to use this case.
|
||||
*/
|
||||
#if defined(LUA_USE_C99)
|
||||
#define LUA_USE_AFORMAT /* assume 'printf' handles 'aA' specifiers */
|
||||
#if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS)
|
||||
#define LUA_C89_NUMBERS
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/*
|
||||
@@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'.
|
||||
*/
|
||||
/* avoid undefined shifts */
|
||||
#if ((INT_MAX >> 15) >> 15) >= 1
|
||||
#define LUAI_BITSINT 32
|
||||
#else
|
||||
/* 'int' always must have at least 16 bits */
|
||||
#define LUAI_BITSINT 16
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_USE_POSIX includes all functionality listed as X/Open System
|
||||
@@ Interfaces Extension (XSI).
|
||||
** CHANGE it (define it) if your system is XSI compatible.
|
||||
@@ LUA_INT_INT / LUA_INT_LONG / LUA_INT_LONGLONG defines the type for
|
||||
** Lua integers.
|
||||
@@ LUA_REAL_FLOAT / LUA_REAL_DOUBLE / LUA_REAL_LONGDOUBLE defines
|
||||
** the type for Lua floats.
|
||||
** Lua should work fine with any mix of these options (if supported
|
||||
** by your C compiler). The usual configurations are 64-bit integers
|
||||
** and 'double' (the default), 32-bit integers and 'float' (for
|
||||
** restricted platforms), and 'long'/'double' (for C compilers not
|
||||
** compliant with C99, which may not have support for 'long long').
|
||||
*/
|
||||
#if defined(LUA_USE_POSIX)
|
||||
|
||||
#if defined(LUA_32BITS) /* { */
|
||||
/*
|
||||
** 32-bit integers and 'float'
|
||||
*/
|
||||
#if LUAI_BITSINT >= 32 /* use 'int' if big enough */
|
||||
#define LUA_INT_INT
|
||||
#else /* otherwise use 'long' */
|
||||
#define LUA_INT_LONG
|
||||
#endif
|
||||
#define LUA_REAL_FLOAT
|
||||
|
||||
#elif defined(LUA_C89_NUMBERS) /* }{ */
|
||||
/*
|
||||
** largest types available for C89 ('long' and 'double')
|
||||
*/
|
||||
#define LUA_INT_LONG
|
||||
#define LUA_REAL_DOUBLE
|
||||
|
||||
#else /* }{ */
|
||||
/*
|
||||
** default configuration for 64-bit Lua ('long long' and 'double')
|
||||
*/
|
||||
#define LUA_INT_LONGLONG
|
||||
#define LUA_REAL_DOUBLE
|
||||
|
||||
#endif /* } */
|
||||
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
** {==================================================================
|
||||
** Configuration for Paths.
|
||||
** ===================================================================
|
||||
*/
|
||||
|
||||
/*
|
||||
@@ LUA_PATH_DEFAULT is the default path that Lua uses to look for
|
||||
@@ Lua libraries.
|
||||
** Lua libraries.
|
||||
@@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for
|
||||
@@ C libraries.
|
||||
** C libraries.
|
||||
** CHANGE them if your machine has a non-conventional directory
|
||||
** hierarchy or if you want to install your libraries in
|
||||
** non-conventional directories.
|
||||
|
@ -120,7 +173,7 @@
|
|||
#define LUA_PATH_DEFAULT \
|
||||
LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \
|
||||
LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua;" \
|
||||
LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \
|
||||
LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \
|
||||
".\\?.lua;" ".\\?\\init.lua"
|
||||
#define LUA_CPATH_DEFAULT \
|
||||
LUA_CDIR"?.dll;" \
|
||||
|
@ -152,14 +205,14 @@
|
|||
#define LUA_DIRSEP "/"
|
||||
#endif
|
||||
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_ENV is the name of the variable that holds the current
|
||||
@@ environment, used to access global names.
|
||||
** CHANGE it if you do not like this name.
|
||||
** {==================================================================
|
||||
** Marks for exported symbols in the C code
|
||||
** ===================================================================
|
||||
*/
|
||||
#define LUA_ENV "_ENV"
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_API is a mark for all core API functions.
|
||||
|
@ -192,10 +245,10 @@
|
|||
|
||||
/*
|
||||
@@ LUAI_FUNC is a mark for all extern functions that are not to be
|
||||
@@ exported to outside modules.
|
||||
** exported to outside modules.
|
||||
@@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables
|
||||
@@ that are not to be exported to outside modules (LUAI_DDEF for
|
||||
@@ definitions and LUAI_DDEC for declarations).
|
||||
** that are not to be exported to outside modules (LUAI_DDEF for
|
||||
** definitions and LUAI_DDEC for declarations).
|
||||
** CHANGE them if you need to mark them in some special way. Elf/gcc
|
||||
** (versions 3.2 and later) mark them as "hidden" to optimize access
|
||||
** when Lua is compiled as a shared library. Not all elf targets support
|
||||
|
@ -207,62 +260,14 @@
|
|||
#if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \
|
||||
defined(__ELF__) /* { */
|
||||
#define LUAI_FUNC __attribute__((visibility("hidden"))) extern
|
||||
#else /* }{ */
|
||||
#define LUAI_FUNC extern
|
||||
#endif /* } */
|
||||
|
||||
#define LUAI_DDEC LUAI_FUNC
|
||||
#define LUAI_DDEF /* empty */
|
||||
|
||||
#else /* }{ */
|
||||
#define LUAI_FUNC extern
|
||||
#define LUAI_DDEC extern
|
||||
#define LUAI_DDEF /* empty */
|
||||
#endif /* } */
|
||||
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_QL describes how error messages quote program elements.
|
||||
** CHANGE it if you want a different appearance.
|
||||
*/
|
||||
#define LUA_QL(x) "'" x "'"
|
||||
#define LUA_QS LUA_QL("%s")
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_IDSIZE gives the maximum size for the description of the source
|
||||
@@ of a function in debug information.
|
||||
** CHANGE it if you want a different size.
|
||||
*/
|
||||
#define LUA_IDSIZE 60
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
/*
|
||||
@@ luai_writestring/luai_writeline define how 'print' prints its results.
|
||||
** They are only used in libraries and the stand-alone program. (The #if
|
||||
** avoids including 'stdio.h' everywhere.)
|
||||
*/
|
||||
#if defined(LUA_LIB) || defined(lua_c)
|
||||
#include <stdio.h>
|
||||
#define luai_writestring(s,l) fwrite((s), sizeof(char), (l), stdout)
|
||||
#define luai_writeline() (luai_writestring("\n", 1), fflush(stdout))
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/*
|
||||
@@ luai_writestringerror defines how to print error messages.
|
||||
** (A format string with one argument is enough for Lua...)
|
||||
*/
|
||||
#define luai_writestringerror(s,p) \
|
||||
(fprintf(stderr, (s), (p)), fflush(stderr))
|
||||
|
||||
|
||||
/*
|
||||
@@ LUAI_MAXSHORTLEN is the maximum length for short strings, that is,
|
||||
** strings that are internalized. (Cannot be smaller than reserved words
|
||||
** or tags for metamethods, as these strings must be internalized;
|
||||
** #("function") = 8, #("__newindex") = 10.)
|
||||
*/
|
||||
#define LUAI_MAXSHORTLEN 40
|
||||
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
/*
|
||||
|
@ -290,6 +295,18 @@
|
|||
*/
|
||||
#define LUA_COMPAT_BITLIB
|
||||
|
||||
/*
|
||||
@@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod.
|
||||
*/
|
||||
#define LUA_COMPAT_IPAIRS
|
||||
|
||||
/*
|
||||
@@ LUA_COMPAT_APIINTCASTS controls the presence of macros for
|
||||
** manipulating other integer types (lua_pushunsigned, lua_tounsigned,
|
||||
** luaL_checkint, luaL_checklong, etc.)
|
||||
*/
|
||||
#define LUA_COMPAT_APIINTCASTS
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a
|
||||
|
@ -367,69 +384,6 @@
|
|||
|
||||
|
||||
|
||||
/*
|
||||
@@ LUAI_BITSINT defines the number of bits in an int.
|
||||
** CHANGE here if Lua cannot automatically detect the number of bits of
|
||||
** your machine. Probably you do not need to change this.
|
||||
*/
|
||||
/* avoid overflows in comparison */
|
||||
#if INT_MAX-20 < 32760 /* { */
|
||||
#define LUAI_BITSINT 16
|
||||
#elif INT_MAX > 2147483640L /* }{ */
|
||||
/* int has at least 32 bits */
|
||||
#define LUAI_BITSINT 32
|
||||
#else /* }{ */
|
||||
#error "you must define LUA_BITSINT with number of bits in an integer"
|
||||
#endif /* } */
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_INT32 is an signed integer with exactly 32 bits.
|
||||
@@ LUAI_UMEM is an unsigned integer big enough to count the total
|
||||
@@ memory used by Lua.
|
||||
@@ LUAI_MEM is a signed integer big enough to count the total memory
|
||||
@@ used by Lua.
|
||||
** CHANGE here if for some weird reason the default definitions are not
|
||||
** good enough for your machine. Probably you do not need to change
|
||||
** this.
|
||||
*/
|
||||
#if LUAI_BITSINT >= 32 /* { */
|
||||
#define LUA_INT32 int
|
||||
#define LUAI_UMEM size_t
|
||||
#define LUAI_MEM ptrdiff_t
|
||||
#else /* }{ */
|
||||
/* 16-bit ints */
|
||||
#define LUA_INT32 long
|
||||
#define LUAI_UMEM unsigned long
|
||||
#define LUAI_MEM long
|
||||
#endif /* } */
|
||||
|
||||
|
||||
/*
|
||||
@@ LUAI_MAXSTACK limits the size of the Lua stack.
|
||||
** CHANGE it if you need a different limit. This limit is arbitrary;
|
||||
** its only purpose is to stop Lua from consuming unlimited stack
|
||||
** space (and to reserve some numbers for pseudo-indices).
|
||||
*/
|
||||
#if LUAI_BITSINT >= 32
|
||||
#define LUAI_MAXSTACK 1000000
|
||||
#else
|
||||
#define LUAI_MAXSTACK 15000
|
||||
#endif
|
||||
|
||||
/* reserve some space for error handling */
|
||||
#define LUAI_FIRSTPSEUDOIDX (-LUAI_MAXSTACK - 1000)
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
@@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
|
||||
** CHANGE it if it uses too much C-stack space.
|
||||
*/
|
||||
#define LUAL_BUFFERSIZE BUFSIZ
|
||||
|
||||
|
||||
/*
|
||||
** {==================================================================
|
||||
** Configuration for Numbers.
|
||||
|
@ -448,7 +402,7 @@
|
|||
@@ LUA_NUMBER_FMT is the format for writing floats.
|
||||
@@ lua_number2str converts a float to a string.
|
||||
**
|
||||
@@ l_mathop allows the addition of an 'l' or 'f' to all math operations
|
||||
@@ l_mathop allows the addition of an 'l' or 'f' to all math operations.
|
||||
**
|
||||
@@ lua_str2number converts a decimal numeric string to a number.
|
||||
*/
|
||||
|
@ -500,34 +454,20 @@
|
|||
#endif /* } */
|
||||
|
||||
|
||||
#if defined(LUA_ANSI)
|
||||
/* C89 does not support 'opf' variants for math functions */
|
||||
#undef l_mathop
|
||||
#define l_mathop(op) (lua_Number)op
|
||||
#endif
|
||||
|
||||
|
||||
#if defined(LUA_ANSI) || defined(_WIN32)
|
||||
/* C89 and Windows do not support 'strtof'... */
|
||||
#undef lua_str2number
|
||||
#define lua_str2number(s,p) ((lua_Number)strtod((s), (p)))
|
||||
#endif
|
||||
|
||||
|
||||
#define l_floor(x) (l_mathop(floor)(x))
|
||||
|
||||
#define lua_number2str(s,n) sprintf((s), LUA_NUMBER_FMT, (n))
|
||||
|
||||
|
||||
/*
|
||||
@@ lua_numtointeger converts a float number to an integer, or
|
||||
@@ lua_numbertointeger converts a float number to an integer, or
|
||||
** returns 0 if float is not within the range of a lua_Integer.
|
||||
** (The range comparisons are tricky because of rounding. The tests
|
||||
** here assume a two-complement representation, where MININTEGER always
|
||||
** has an exact representation as a float; MAXINTEGER may not have one,
|
||||
** and therefore its conversion to float may have an ill-defined value.)
|
||||
*/
|
||||
#define lua_numtointeger(n,p) \
|
||||
#define lua_numbertointeger(n,p) \
|
||||
((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \
|
||||
(n) < -(LUA_NUMBER)(LUA_MININTEGER) && \
|
||||
(*(p) = (LUA_INTEGER)(n), 1))
|
||||
|
@ -542,11 +482,25 @@
|
|||
/* the following operations need the math library */
|
||||
#if defined(lobject_c) || defined(lvm_c)
|
||||
#include <math.h>
|
||||
|
||||
/* floor division (defined as 'floor(a/b)') */
|
||||
#define luai_numidiv(L,a,b) ((void)L, l_mathop(floor)(luai_numdiv(L,a,b)))
|
||||
|
||||
/*
|
||||
** module: defined as 'a - floor(a/b)*b'; the previous definition gives
|
||||
** NaN when 'b' is huge, but the result should be 'a'. 'fmod' gives the
|
||||
** result of 'a - trunc(a/b)*b', and therefore must be corrected when
|
||||
** 'trunc(a/b) ~= floor(a/b)'. That happens when the division has a
|
||||
** non-integer negative result, which is equivalent to the test below
|
||||
*/
|
||||
#define luai_nummod(L,a,b,m) \
|
||||
{ (m) = l_mathop(fmod)(a,b); if ((m) != 0 && (a)*(b) < 0) (m) += (b); }
|
||||
{ (m) = l_mathop(fmod)(a,b); if ((m)*(b) < 0) (m) += (b); }
|
||||
|
||||
/* exponentiation */
|
||||
#define luai_numpow(L,a,b) ((void)L, l_mathop(pow)(a,b))
|
||||
|
||||
#endif
|
||||
#endif
|
||||
#endif /*_KERNEL */
|
||||
|
||||
/* these are quite standard operations */
|
||||
#if defined(LUA_CORE)
|
||||
|
@ -562,14 +516,6 @@
|
|||
#endif
|
||||
|
||||
|
||||
/*
|
||||
** The following macro checks whether an operation is not safe to be
|
||||
** performed by the constant folder. It should result in zero only if
|
||||
** the operation is safe.
|
||||
*/
|
||||
#define luai_numinvalidop(op,a,b) 0
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_INTEGER is the integer type used by Lua.
|
||||
**
|
||||
|
@ -581,7 +527,6 @@
|
|||
@@ LUA_INTEGER_FMT is the format for writing integers.
|
||||
@@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER.
|
||||
@@ LUA_MININTEGER is the minimum value for a LUA_INTEGER.
|
||||
@@ LUA_MAXUNSIGNED is the maximum value for a LUA_UNSIGNED.
|
||||
@@ lua_integer2str converts an integer to a string.
|
||||
*/
|
||||
|
||||
|
@ -607,7 +552,6 @@
|
|||
#define LUA_INTEGER int
|
||||
#define LUA_INTEGER_FRMLEN ""
|
||||
|
||||
#define LUA_MAXUNSIGNED UINT_MAX
|
||||
#define LUA_MAXINTEGER INT_MAX
|
||||
#define LUA_MININTEGER INT_MIN
|
||||
|
||||
|
@ -616,52 +560,35 @@
|
|||
#define LUA_INTEGER long
|
||||
#define LUA_INTEGER_FRMLEN "l"
|
||||
|
||||
#define LUA_MAXUNSIGNED ULONG_MAX
|
||||
#define LUA_MAXINTEGER LONG_MAX
|
||||
#define LUA_MININTEGER LONG_MIN
|
||||
|
||||
#elif defined(LUA_INT_LONGLONG) /* }{ long long */
|
||||
|
||||
#if defined(_WIN32)
|
||||
|
||||
#define LUA_INTEGER __int64
|
||||
#define LUA_INTEGER_FRMLEN "I64"
|
||||
|
||||
#define LUA_MAXUNSIGNED _UI64_MAX
|
||||
#define LUA_MAXINTEGER _I64_MAX
|
||||
#define LUA_MININTEGER _I64_MIN
|
||||
|
||||
#else
|
||||
#if defined(LLONG_MAX) /* { */
|
||||
/* use ISO C99 stuff */
|
||||
|
||||
#define LUA_INTEGER long long
|
||||
#define LUA_INTEGER_FRMLEN "ll"
|
||||
|
||||
#define LUA_MAXUNSIGNED ULLONG_MAX
|
||||
#define LUA_MAXINTEGER LLONG_MAX
|
||||
#define LUA_MININTEGER LLONG_MIN
|
||||
|
||||
#endif
|
||||
#elif defined(LUA_USE_WINDOWS) /* }{ */
|
||||
/* in Windows, can use specific Windows types */
|
||||
|
||||
#elif defined(LUA_INT_SHORT) /* }{ short int */
|
||||
/*
|
||||
** this option is for tests only; it is not particularly useful and
|
||||
** it does not pass the test suit.
|
||||
*/
|
||||
#define LUA_INTEGER __int64
|
||||
#define LUA_INTEGER_FRMLEN "I64"
|
||||
|
||||
#define LUA_INTEGER short int
|
||||
#define LUA_INTEGER_FRMLEN ""
|
||||
#define LUA_MAXINTEGER _I64_MAX
|
||||
#define LUA_MININTEGER _I64_MIN
|
||||
|
||||
#define LUA_MAXUNSIGNED ((LUA_UNSIGNED)USHRT_MAX)
|
||||
#define LUA_MAXINTEGER SHRT_MAX
|
||||
#define LUA_MININTEGER SHRT_MIN
|
||||
#else /* }{ */
|
||||
|
||||
#undef LUAI_UACINT
|
||||
#define LUAI_UACINT int
|
||||
#error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \
|
||||
or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)"
|
||||
|
||||
#undef LUAI_MAXSTACK
|
||||
#define LUAI_MAXSTACK 15000
|
||||
|
||||
#define l_castS2U(x) ((LUA_UNSIGNED)(unsigned short)(x))
|
||||
#endif /* } */
|
||||
|
||||
#else /* }{ */
|
||||
|
||||
|
@ -672,6 +599,134 @@
|
|||
/* }================================================================== */
|
||||
|
||||
|
||||
/*
|
||||
** {==================================================================
|
||||
** Dependencies with C99
|
||||
** ===================================================================
|
||||
*/
|
||||
|
||||
/*
|
||||
@@ lua_strx2number converts an hexadecimal numeric string to a number.
|
||||
** In C99, 'strtod' does both conversions. Otherwise, you can
|
||||
** leave 'lua_strx2number' undefined and Lua will provide its own
|
||||
** implementation.
|
||||
*/
|
||||
#if !defined(LUA_USE_C89)
|
||||
#define lua_strx2number(s,p) lua_str2number(s,p)
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_USE_AFORMAT allows '%a'/'%A' specifiers in 'string.format'
|
||||
** Enable it if the C function 'printf' supports these specifiers.
|
||||
** (C99 demands it and Windows also supports it.)
|
||||
*/
|
||||
#if !defined(LUA_USE_C89) || defined(LUA_USE_WINDOWS)
|
||||
#define LUA_USE_AFORMAT
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
** 'strtof' and 'opf' variants for math functions are not valid in
|
||||
** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the
|
||||
** availability of these variants. ('math.h' is already included in
|
||||
** all files that use these macros.)
|
||||
*/
|
||||
#if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF))
|
||||
#undef l_mathop /* variants not available */
|
||||
#undef lua_str2number
|
||||
#define l_mathop(op) (lua_Number)op /* no variant */
|
||||
#define lua_str2number(s,p) ((lua_Number)strtod((s), (p)))
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_KCONTEXT is the type of the context ('ctx') for continuation
|
||||
** functions. It must be a numerical type; Lua will use 'intptr_t' if
|
||||
** available, otherwise it will use 'ptrdiff_t' (the nearest thing to
|
||||
** 'intptr_t' in C89)
|
||||
*/
|
||||
#define LUA_KCONTEXT ptrdiff_t
|
||||
|
||||
#if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \
|
||||
__STDC_VERSION__ >= 199901L
|
||||
#include <stdint.h>
|
||||
#if defined (INTPTR_MAX) /* even in C99 this type is optional */
|
||||
#undef LUA_KCONTEXT
|
||||
#define LUA_KCONTEXT intptr_t
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
/*
|
||||
** {==================================================================
|
||||
** Macros that affect the API and must be stable (that is, must be the
|
||||
** same when you compile Lua and when you compile code that links to
|
||||
** Lua). You probably do not want/need to change them.
|
||||
** =====================================================================
|
||||
*/
|
||||
|
||||
/*
|
||||
@@ LUAI_MAXSTACK limits the size of the Lua stack.
|
||||
** CHANGE it if you need a different limit. This limit is arbitrary;
|
||||
** its only purpose is to stop Lua from consuming unlimited stack
|
||||
** space (and to reserve some numbers for pseudo-indices).
|
||||
*/
|
||||
#if LUAI_BITSINT >= 32
|
||||
#define LUAI_MAXSTACK 1000000
|
||||
#else
|
||||
#define LUAI_MAXSTACK 15000
|
||||
#endif
|
||||
|
||||
/* reserve some space for error handling */
|
||||
#define LUAI_FIRSTPSEUDOIDX (-LUAI_MAXSTACK - 1000)
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_EXTRASPACE defines the size of a raw memory area associated with
|
||||
** a Lua state with very fast access.
|
||||
** CHANGE it if you need a different size.
|
||||
*/
|
||||
#define LUA_EXTRASPACE (sizeof(void *))
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_IDSIZE gives the maximum size for the description of the source
|
||||
@@ of a function in debug information.
|
||||
** CHANGE it if you want a different size.
|
||||
*/
|
||||
#define LUA_IDSIZE 60
|
||||
|
||||
|
||||
/*
|
||||
@@ LUAI_MAXSHORTLEN is the maximum length for short strings, that is,
|
||||
** strings that are internalized. (Cannot be smaller than reserved words
|
||||
** or tags for metamethods, as these strings must be internalized;
|
||||
** #("function") = 8, #("__newindex") = 10.)
|
||||
*/
|
||||
#define LUAI_MAXSHORTLEN 40
|
||||
|
||||
|
||||
/*
|
||||
@@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
|
||||
** CHANGE it if it uses too much C-stack space.
|
||||
*/
|
||||
#define LUAL_BUFFERSIZE ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer)))
|
||||
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
/*
|
||||
@@ LUA_QL describes how error messages quote program elements.
|
||||
** Lua does not use these macros anymore; they are here for
|
||||
** compatibility only.
|
||||
*/
|
||||
#define LUA_QL(x) "'" x "'"
|
||||
#define LUA_QS LUA_QL("%s")
|
||||
|
||||
|
||||
|
||||
|
||||
/* =================================================================== */
|
||||
|
@ -682,7 +737,8 @@
|
|||
*/
|
||||
|
||||
#ifdef __NetBSD__
|
||||
/* Lua integers */
|
||||
|
||||
/* Integer types */
|
||||
#undef LUA_INTEGER
|
||||
#undef LUA_INTEGER_FRMLEN
|
||||
#undef LUA_UNSIGNED
|
||||
|
@ -698,8 +754,10 @@
|
|||
#define LUA_MININTEGER INTMAX_MIN
|
||||
|
||||
#ifndef _KERNEL
|
||||
|
||||
#include <stdint.h>
|
||||
#else
|
||||
|
||||
#else /* _KERNEL */
|
||||
|
||||
#undef LUA_NUMBER
|
||||
#undef LUA_NUMBER_FMT
|
||||
|
@ -709,8 +767,10 @@
|
|||
#define LUA_NUMBER_FMT LUA_INTEGER_FMT
|
||||
#define lua_str2number(s,p) strtoimax((s),(p),10)
|
||||
|
||||
#undef lua_numbertointeger
|
||||
#define lua_numbertointeger(n,p) (*(p) = (LUA_INTEGER)(n), 1)
|
||||
|
||||
/* setjmp.h */
|
||||
#include <machine/types.h>
|
||||
#define LUAI_THROW(L,c) longjmp(&((c)->b))
|
||||
#define LUAI_TRY(L,c,a) if (setjmp(&((c)->b)) == 0) { a }
|
||||
#define luai_jmpbuf label_t
|
||||
|
@ -720,10 +780,9 @@
|
|||
#define time(p) (time_uptime)
|
||||
|
||||
/* stdio.h */
|
||||
#define luai_writestring(s,l) printf("%s", (s))
|
||||
#define luai_writeline() printf("\n")
|
||||
#define lua_writestring(s,l) printf("%s", (s))
|
||||
#define lua_writeline() printf("\n")
|
||||
|
||||
#define BUFSIZ (1024)
|
||||
#define sprintf(s,fmt,...) snprintf(s, sizeof(s), fmt, __VA_ARGS__)
|
||||
|
||||
/* string.h */
|
||||
|
@ -731,7 +790,10 @@
|
|||
|
||||
/* stdlib.h */
|
||||
#define abort() panic("Lua has aborted!")
|
||||
#endif /* _KERNEL */
|
||||
#endif /* __NetBSD__ */
|
||||
#endif /* lconfig_h */
|
||||
|
||||
#endif /* _KERNEL */
|
||||
|
||||
#endif /* __NetBSD__ */
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
@ -1,18 +1,21 @@
|
|||
/* $NetBSD: lundump.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lundump.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lundump.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lundump.c,v 2.41 2014/11/02 19:19:04 roberto Exp
|
||||
** load precompiled Lua chunks
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lundump_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lundump_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "ldebug.h"
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: lutf8lib.c,v 1.1.1.2 2015/02/02 02:01:09 lneto Exp $ */
|
||||
/* $NetBSD: lutf8lib.c,v 1.2 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** Id: lutf8lib.c,v 1.13 2014/11/02 19:19:04 roberto Exp
|
||||
|
@ -12,9 +12,11 @@
|
|||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
|
|
|
@ -1,11 +1,16 @@
|
|||
/* $NetBSD: lvm.c,v 1.3 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lvm.c,v 1.4 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lvm.c,v 1.3 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lvm.c,v 2.232 2014/12/27 20:30:38 roberto Exp
|
||||
** Lua virtual machine
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lvm_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <limits.h>
|
||||
|
@ -14,9 +19,6 @@
|
|||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lvm_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "ldebug.h"
|
||||
|
@ -32,15 +34,20 @@
|
|||
#include "lvm.h"
|
||||
|
||||
|
||||
/*
|
||||
** You can define LUA_FLOORN2I if you want to convert floats to integers
|
||||
** by flooring them (instead of raising an error if they are not
|
||||
** integral values)
|
||||
*/
|
||||
#if !defined(LUA_FLOORN2I)
|
||||
#define LUA_FLOORN2I 0
|
||||
#endif
|
||||
|
||||
|
||||
/* limit for table tag-method chains (to avoid loops) */
|
||||
#define MAXTAGLOOP 2000
|
||||
|
||||
|
||||
/* maximum length of the conversion of a number to a string */
|
||||
#define MAXNUMBER2STR 50
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
/*
|
||||
** Similar to 'tonumber', but does not attempt to convert strings and
|
||||
|
@ -62,52 +69,54 @@ static int tofloat (const TValue *obj, lua_Number *n) {
|
|||
|
||||
|
||||
/*
|
||||
** Try to convert a value to a float. Check 'isinteger' first, because
|
||||
** in general the float case is already handled by the macro 'tonumber'.
|
||||
** Try to convert a value to a float. The float case is already handled
|
||||
** by the macro 'tonumber'.
|
||||
*/
|
||||
int luaV_tonumber_ (const TValue *obj, lua_Number *n) {
|
||||
TValue v;
|
||||
again:
|
||||
if (ttisinteger(obj)) {
|
||||
*n = cast_num(ivalue(obj));
|
||||
return 1;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
else if (ttisfloat(obj)) {
|
||||
*n = fltvalue(obj);
|
||||
else if (cvt2num(obj) && /* string convertible to number? */
|
||||
luaO_str2num(svalue(obj), &v) == tsvalue(obj)->len + 1) {
|
||||
*n = nvalue(&v); /* convert result of 'luaO_str2num' to a float */
|
||||
return 1;
|
||||
}
|
||||
#endif
|
||||
else if (ttisstring(obj) && /* string convertible to number? */
|
||||
luaO_str2num(svalue(obj), &v) == tsvalue(obj)->len + 1) {
|
||||
obj = &v;
|
||||
goto again; /* convert result from 'luaO_str2num' to a float */
|
||||
}
|
||||
return 0; /* conversion failed */
|
||||
else
|
||||
return 0; /* conversion failed */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** try to convert a value to an integer, rounding up if 'up' is true
|
||||
** try to convert a value to an integer, rounding according to 'mode':
|
||||
** mode == 0: accepts only integral values
|
||||
** mode == 1: takes the floor of the number
|
||||
** mode == 2: takes the ceil of the number
|
||||
*/
|
||||
static int tointeger_aux (const TValue *obj, lua_Integer *p, int up) {
|
||||
static int tointeger_aux (const TValue *obj, lua_Integer *p, int mode) {
|
||||
TValue v;
|
||||
again:
|
||||
#ifndef _KERNEL
|
||||
if (ttisfloat(obj)) {
|
||||
lua_Number n = fltvalue(obj);
|
||||
n = (up ? -l_floor(-n) : l_floor(n));
|
||||
return lua_numtointeger(n, p);
|
||||
lua_Number f = l_floor(n);
|
||||
if (n != f) { /* not an integral value? */
|
||||
if (mode == 0) return 0; /* fails if mode demands integral value */
|
||||
else if (mode > 1) /* needs ceil? */
|
||||
f += 1; /* convert floor to ceil (remember: n != f) */
|
||||
}
|
||||
return lua_numbertointeger(f, p);
|
||||
}
|
||||
else if (ttisinteger(obj)) {
|
||||
#else
|
||||
UNUSED(up);
|
||||
#else /* _KERNEL */
|
||||
if (ttisinteger(obj)) {
|
||||
UNUSED(mode);
|
||||
#endif
|
||||
*p = ivalue(obj);
|
||||
return 1;
|
||||
}
|
||||
else if (ttisstring(obj) &&
|
||||
else if (cvt2num(obj) &&
|
||||
luaO_str2num(svalue(obj), &v) == tsvalue(obj)->len + 1) {
|
||||
obj = &v;
|
||||
goto again; /* convert result from 'luaO_str2num' to an integer */
|
||||
|
@ -117,43 +126,14 @@ static int tointeger_aux (const TValue *obj, lua_Integer *p, int up) {
|
|||
|
||||
|
||||
/*
|
||||
** try to convert a non-integer value to an integer, rounding down
|
||||
** try to convert a value to an integer
|
||||
*/
|
||||
int luaV_tointeger_ (const TValue *obj, lua_Integer *p) {
|
||||
return tointeger_aux(obj, p, 0);
|
||||
return tointeger_aux(obj, p, LUA_FLOORN2I);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Convert a number object to a string
|
||||
*/
|
||||
int luaV_tostring (lua_State *L, StkId obj) {
|
||||
if (!ttisnumber(obj))
|
||||
return 0;
|
||||
else {
|
||||
char buff[MAXNUMBER2STR];
|
||||
size_t len;
|
||||
if (ttisinteger(obj))
|
||||
len = lua_integer2str(buff, ivalue(obj));
|
||||
else {
|
||||
#ifndef _KERNEL
|
||||
len = lua_number2str(buff, fltvalue(obj));
|
||||
#if !defined(LUA_COMPAT_FLOATSTRING)
|
||||
if (buff[strspn(buff, "-0123456789")] == '\0') { /* looks like an int? */
|
||||
buff[len++] = '.';
|
||||
buff[len++] = '0'; /* adds '.0' to result */
|
||||
}
|
||||
#endif
|
||||
#else
|
||||
return 0;
|
||||
#endif
|
||||
}
|
||||
setsvalue2s(L, obj, luaS_newlstr(L, buff, len));
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Try to convert a 'for' limit to an integer, preserving the
|
||||
** semantics of the loop.
|
||||
|
@ -172,8 +152,7 @@ int luaV_tostring (lua_State *L, StkId obj) {
|
|||
static int forlimit (const TValue *obj, lua_Integer *p, lua_Integer step,
|
||||
int *stopnow) {
|
||||
*stopnow = 0; /* usually, let loops run */
|
||||
#ifndef _KERNEL
|
||||
if (!tointeger_aux(obj, p, (step < 0))) { /* does not fit in integer? */
|
||||
if (!tointeger_aux(obj, p, (step < 0 ? 2 : 1))) { /* not fit in integer? */
|
||||
lua_Number n; /* try to convert to float */
|
||||
if (!tonumber(obj, &n)) /* cannot convert to float? */
|
||||
return 0; /* not a number */
|
||||
|
@ -186,11 +165,9 @@ static int forlimit (const TValue *obj, lua_Integer *p, lua_Integer step,
|
|||
if (step >= 0) *stopnow = 1;
|
||||
}
|
||||
}
|
||||
#else
|
||||
UNUSED(obj); UNUSED(p); UNUSED(step);
|
||||
#endif
|
||||
return 1;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
|
@ -201,7 +178,7 @@ void luaV_gettable (lua_State *L, const TValue *t, TValue *key, StkId val) {
|
|||
int loop; /* counter to avoid infinite loops */
|
||||
for (loop = 0; loop < MAXTAGLOOP; loop++) {
|
||||
const TValue *tm;
|
||||
if (ttistable(t)) { /* `t' is a table? */
|
||||
if (ttistable(t)) { /* 't' is a table? */
|
||||
Table *h = hvalue(t);
|
||||
const TValue *res = luaH_get(h, key); /* do a primitive get */
|
||||
if (!ttisnil(res) || /* result is not nil? */
|
||||
|
@ -231,7 +208,7 @@ void luaV_settable (lua_State *L, const TValue *t, TValue *key, StkId val) {
|
|||
int loop; /* counter to avoid infinite loops */
|
||||
for (loop = 0; loop < MAXTAGLOOP; loop++) {
|
||||
const TValue *tm;
|
||||
if (ttistable(t)) { /* `t' is a table? */
|
||||
if (ttistable(t)) { /* 't' is a table? */
|
||||
Table *h = hvalue(t);
|
||||
TValue *oldval = cast(TValue *, luaH_get(h, key));
|
||||
/* if previous value is not nil, there must be a previous entry
|
||||
|
@ -260,7 +237,7 @@ void luaV_settable (lua_State *L, const TValue *t, TValue *key, StkId val) {
|
|||
luaT_callTM(L, tm, t, key, val, 0);
|
||||
return;
|
||||
}
|
||||
t = tm; /* else repeat assginment over 'tm' */
|
||||
t = tm; /* else repeat assignment over 'tm' */
|
||||
}
|
||||
luaG_runerror(L, "settable chain too long; possible loop");
|
||||
}
|
||||
|
@ -275,20 +252,20 @@ void luaV_settable (lua_State *L, const TValue *t, TValue *key, StkId val) {
|
|||
*/
|
||||
static int l_strcmp (const TString *ls, const TString *rs) {
|
||||
const char *l = getstr(ls);
|
||||
size_t ll = ls->tsv.len;
|
||||
size_t ll = ls->len;
|
||||
const char *r = getstr(rs);
|
||||
size_t lr = rs->tsv.len;
|
||||
size_t lr = rs->len;
|
||||
for (;;) { /* for each segment */
|
||||
int temp = strcoll(l, r);
|
||||
if (temp != 0) /* not equal? */
|
||||
return temp; /* done */
|
||||
else { /* strings are equal up to a '\0' */
|
||||
size_t len = strlen(l); /* index of first `\0' in both strings */
|
||||
size_t len = strlen(l); /* index of first '\0' in both strings */
|
||||
if (len == lr) /* 'rs' is finished? */
|
||||
return (len == ll) ? 0 : 1; /* check 'ls' */
|
||||
else if (len == ll) /* 'ls' is finished? */
|
||||
return -1; /* 'ls' is smaller than 'rs' ('rs' is not finished) */
|
||||
/* both strings longer than `len'; go on comparing after the '\0' */
|
||||
/* both strings longer than 'len'; go on comparing after the '\0' */
|
||||
len++;
|
||||
l += len; ll -= len; r += len; lr -= len;
|
||||
}
|
||||
|
@ -311,7 +288,7 @@ int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r) {
|
|||
return luai_numlt(nl, nr);
|
||||
#endif
|
||||
else if (ttisstring(l) && ttisstring(r)) /* both are strings? */
|
||||
return l_strcmp(rawtsvalue(l), rawtsvalue(r)) < 0;
|
||||
return l_strcmp(tsvalue(l), tsvalue(r)) < 0;
|
||||
else if ((res = luaT_callorderTM(L, l, r, TM_LT)) < 0) /* no metamethod? */
|
||||
luaG_ordererror(L, l, r); /* error */
|
||||
return res;
|
||||
|
@ -333,10 +310,10 @@ int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r) {
|
|||
return luai_numle(nl, nr);
|
||||
#endif
|
||||
else if (ttisstring(l) && ttisstring(r)) /* both are strings? */
|
||||
return l_strcmp(rawtsvalue(l), rawtsvalue(r)) <= 0;
|
||||
else if ((res = luaT_callorderTM(L, l, r, TM_LE)) >= 0) /* first try `le' */
|
||||
return l_strcmp(tsvalue(l), tsvalue(r)) <= 0;
|
||||
else if ((res = luaT_callorderTM(L, l, r, TM_LE)) >= 0) /* first try 'le' */
|
||||
return res;
|
||||
else if ((res = luaT_callorderTM(L, r, l, TM_LT)) < 0) /* else try `lt' */
|
||||
else if ((res = luaT_callorderTM(L, r, l, TM_LT)) < 0) /* else try 'lt' */
|
||||
luaG_ordererror(L, l, r);
|
||||
return !res;
|
||||
}
|
||||
|
@ -358,8 +335,8 @@ int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2) {
|
|||
cast_void(tofloat(t1, &n1)); cast_void(tofloat(t2, &n2));
|
||||
return luai_numeq(n1, n2);
|
||||
}
|
||||
#else
|
||||
return 0;
|
||||
#else /* _KERNEL */
|
||||
return 0; /* numbers have only the integer variant */
|
||||
#endif
|
||||
}
|
||||
/* values have same type and same variant */
|
||||
|
@ -372,8 +349,8 @@ int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2) {
|
|||
case LUA_TBOOLEAN: return bvalue(t1) == bvalue(t2); /* true must be 1 !! */
|
||||
case LUA_TLIGHTUSERDATA: return pvalue(t1) == pvalue(t2);
|
||||
case LUA_TLCF: return fvalue(t1) == fvalue(t2);
|
||||
case LUA_TSHRSTR: return eqshrstr(rawtsvalue(t1), rawtsvalue(t2));
|
||||
case LUA_TLNGSTR: return luaS_eqlngstr(rawtsvalue(t1), rawtsvalue(t2));
|
||||
case LUA_TSHRSTR: return eqshrstr(tsvalue(t1), tsvalue(t2));
|
||||
case LUA_TLNGSTR: return luaS_eqlngstr(tsvalue(t1), tsvalue(t2));
|
||||
case LUA_TUSERDATA: {
|
||||
if (uvalue(t1) == uvalue(t2)) return 1;
|
||||
else if (L == NULL) return 0;
|
||||
|
@ -401,7 +378,8 @@ int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2) {
|
|||
|
||||
|
||||
/* macro used by 'luaV_concat' to ensure that element at 'o' is a string */
|
||||
#define tostring(L,o) (ttisstring(o) || (luaV_tostring(L, o)))
|
||||
#define tostring(L,o) \
|
||||
(ttisstring(o) || (cvt2str(o) && (luaO_tostring(L, o), 1)))
|
||||
|
||||
/*
|
||||
** Main operation for concatenation: concat 'total' values in the stack,
|
||||
|
@ -412,7 +390,7 @@ void luaV_concat (lua_State *L, int total) {
|
|||
do {
|
||||
StkId top = L->top;
|
||||
int n = 2; /* number of elements handled in this pass (at least 2) */
|
||||
if (!(ttisstring(top-2) || ttisnumber(top-2)) || !tostring(L, top-1))
|
||||
if (!(ttisstring(top-2) || cvt2str(top-2)) || !tostring(L, top-1))
|
||||
luaT_trybinTM(L, top-2, top-1, top-2, TM_CONCAT);
|
||||
else if (tsvalue(top-1)->len == 0) /* second operand is empty? */
|
||||
cast_void(tostring(L, top - 2)); /* result is first operand */
|
||||
|
@ -476,8 +454,10 @@ void luaV_objlen (lua_State *L, StkId ra, const TValue *rb) {
|
|||
|
||||
|
||||
/*
|
||||
** Integer division; return 'm // n'. (Assume that C division with
|
||||
** negative operands follows C99 behavior.)
|
||||
** Integer division; return 'm // n', that is, floor(m/n).
|
||||
** C division truncates its result (rounds towards zero).
|
||||
** 'floor(q) == trunc(q)' when 'q >= 0' or when 'q' is integer,
|
||||
** otherwise 'floor(q) == trunc(q) - 1'.
|
||||
*/
|
||||
lua_Integer luaV_div (lua_State *L, lua_Integer m, lua_Integer n) {
|
||||
if (l_castS2U(n) + 1u <= 1u) { /* special cases: -1 or 0 */
|
||||
|
@ -486,18 +466,18 @@ lua_Integer luaV_div (lua_State *L, lua_Integer m, lua_Integer n) {
|
|||
return intop(-, 0, m); /* n==-1; avoid overflow with 0x80000...//-1 */
|
||||
}
|
||||
else {
|
||||
lua_Integer d = m / n; /* perform division */
|
||||
if ((m ^ n) >= 0 || m % n == 0) /* same signal or no rest? */
|
||||
return d;
|
||||
else
|
||||
return d - 1; /* correct 'div' for negative case */
|
||||
lua_Integer q = m / n; /* perform C division */
|
||||
if ((m ^ n) < 0 && m % n != 0) /* 'm/n' would be negative non-integer? */
|
||||
q -= 1; /* correct result for different rounding */
|
||||
return q;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
** Integer modulus; return 'm % n'. (Assume that C '%' with
|
||||
** negative operands follows C99 behavior.)
|
||||
** negative operands follows C99 behavior. See previous comment
|
||||
** about luaV_div.)
|
||||
*/
|
||||
lua_Integer luaV_mod (lua_State *L, lua_Integer m, lua_Integer n) {
|
||||
if (l_castS2U(n) + 1u <= 1u) { /* special cases: -1 or 0 */
|
||||
|
@ -507,10 +487,9 @@ lua_Integer luaV_mod (lua_State *L, lua_Integer m, lua_Integer n) {
|
|||
}
|
||||
else {
|
||||
lua_Integer r = m % n;
|
||||
if (r == 0 || (m ^ n) >= 0) /* no rest or same signal? */
|
||||
return r;
|
||||
else
|
||||
return r + n; /* correct 'mod' for negative case */
|
||||
if (r != 0 && (m ^ n) < 0) /* 'm/n' would be non-integer negative? */
|
||||
r += n; /* correct result for different rounding */
|
||||
return r;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -576,7 +555,7 @@ static void pushclosure (lua_State *L, Proto *p, UpVal **encup, StkId base,
|
|||
ncl->upvals[i]->refcount++;
|
||||
/* new closure is white, so we do not need a barrier here */
|
||||
}
|
||||
if (!isblack(obj2gco(p))) /* cache will not break GC invariant? */
|
||||
if (!isblack(p)) /* cache will not break GC invariant? */
|
||||
p->cache = ncl; /* save it on cache for reuse */
|
||||
}
|
||||
|
||||
|
@ -660,7 +639,7 @@ void luaV_finishOp (lua_State *L) {
|
|||
|
||||
|
||||
/*
|
||||
** some macros for common tasks in `luaV_execute'
|
||||
** some macros for common tasks in 'luaV_execute'
|
||||
*/
|
||||
|
||||
#if !defined luai_runtimecheck
|
||||
|
@ -700,8 +679,8 @@ void luaV_finishOp (lua_State *L) {
|
|||
|
||||
|
||||
#define vmdispatch(o) switch(o)
|
||||
#define vmcase(l,b) case l: {b} break;
|
||||
#define vmcasenb(l,b) case l: {b} /* nb = no break */
|
||||
#define vmcase(l) case l:
|
||||
#define vmbreak break
|
||||
|
||||
void luaV_execute (lua_State *L) {
|
||||
CallInfo *ci = L->ci;
|
||||
|
@ -721,58 +700,69 @@ void luaV_execute (lua_State *L) {
|
|||
(--L->hookcount == 0 || L->hookmask & LUA_MASKLINE)) {
|
||||
Protect(luaG_traceexec(L));
|
||||
}
|
||||
/* WARNING: several calls may realloc the stack and invalidate `ra' */
|
||||
/* WARNING: several calls may realloc the stack and invalidate 'ra' */
|
||||
ra = RA(i);
|
||||
lua_assert(base == ci->u.l.base);
|
||||
lua_assert(base <= L->top && L->top < L->stack + L->stacksize);
|
||||
vmdispatch (GET_OPCODE(i)) {
|
||||
vmcase(OP_MOVE,
|
||||
vmcase(OP_MOVE) {
|
||||
setobjs2s(L, ra, RB(i));
|
||||
)
|
||||
vmcase(OP_LOADK,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_LOADK) {
|
||||
TValue *rb = k + GETARG_Bx(i);
|
||||
setobj2s(L, ra, rb);
|
||||
)
|
||||
vmcase(OP_LOADKX,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_LOADKX) {
|
||||
TValue *rb;
|
||||
lua_assert(GET_OPCODE(*ci->u.l.savedpc) == OP_EXTRAARG);
|
||||
rb = k + GETARG_Ax(*ci->u.l.savedpc++);
|
||||
setobj2s(L, ra, rb);
|
||||
)
|
||||
vmcase(OP_LOADBOOL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_LOADBOOL) {
|
||||
setbvalue(ra, GETARG_B(i));
|
||||
if (GETARG_C(i)) ci->u.l.savedpc++; /* skip next instruction (if C) */
|
||||
)
|
||||
vmcase(OP_LOADNIL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_LOADNIL) {
|
||||
int b = GETARG_B(i);
|
||||
do {
|
||||
setnilvalue(ra++);
|
||||
} while (b--);
|
||||
)
|
||||
vmcase(OP_GETUPVAL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_GETUPVAL) {
|
||||
int b = GETARG_B(i);
|
||||
setobj2s(L, ra, cl->upvals[b]->v);
|
||||
)
|
||||
vmcase(OP_GETTABUP,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_GETTABUP) {
|
||||
int b = GETARG_B(i);
|
||||
Protect(luaV_gettable(L, cl->upvals[b]->v, RKC(i), ra));
|
||||
)
|
||||
vmcase(OP_GETTABLE,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_GETTABLE) {
|
||||
Protect(luaV_gettable(L, RB(i), RKC(i), ra));
|
||||
)
|
||||
vmcase(OP_SETTABUP,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_SETTABUP) {
|
||||
int a = GETARG_A(i);
|
||||
Protect(luaV_settable(L, cl->upvals[a]->v, RKB(i), RKC(i)));
|
||||
)
|
||||
vmcase(OP_SETUPVAL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_SETUPVAL) {
|
||||
UpVal *uv = cl->upvals[GETARG_B(i)];
|
||||
setobj(L, uv->v, ra);
|
||||
luaC_upvalbarrier(L, uv);
|
||||
)
|
||||
vmcase(OP_SETTABLE,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_SETTABLE) {
|
||||
Protect(luaV_settable(L, ra, RKB(i), RKC(i)));
|
||||
)
|
||||
vmcase(OP_NEWTABLE,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_NEWTABLE) {
|
||||
int b = GETARG_B(i);
|
||||
int c = GETARG_C(i);
|
||||
Table *t = luaH_new(L);
|
||||
|
@ -780,65 +770,79 @@ void luaV_execute (lua_State *L) {
|
|||
if (b != 0 || c != 0)
|
||||
luaH_resize(L, t, luaO_fb2int(b), luaO_fb2int(c));
|
||||
checkGC(L, ra + 1);
|
||||
)
|
||||
vmcase(OP_SELF,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_SELF) {
|
||||
StkId rb = RB(i);
|
||||
setobjs2s(L, ra+1, rb);
|
||||
Protect(luaV_gettable(L, rb, RKC(i), ra));
|
||||
)
|
||||
vmcase(OP_ADD,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_ADD) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
#ifndef _KERNEL
|
||||
lua_Number nb; lua_Number nc;
|
||||
#endif
|
||||
if (ttisinteger(rb) && ttisinteger(rc)) {
|
||||
lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
|
||||
setivalue(ra, intop(+, ib, ic));
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
|
||||
setfltvalue(ra, luai_numadd(L, nb, nc));
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
|
||||
setivalue(ra, intop(+, ib, ic));
|
||||
}
|
||||
#endif
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_ADD)); }
|
||||
)
|
||||
vmcase(OP_SUB,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_SUB) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
#ifndef _KERNEL
|
||||
lua_Number nb; lua_Number nc;
|
||||
#endif
|
||||
if (ttisinteger(rb) && ttisinteger(rc)) {
|
||||
lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
|
||||
setivalue(ra, intop(-, ib, ic));
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
|
||||
setfltvalue(ra, luai_numsub(L, nb, nc));
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
|
||||
setivalue(ra, intop(-, ib, ic));
|
||||
}
|
||||
#endif
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_SUB)); }
|
||||
)
|
||||
vmcase(OP_MUL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_MUL) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
#ifndef _KERNEL
|
||||
lua_Number nb; lua_Number nc;
|
||||
#endif
|
||||
if (ttisinteger(rb) && ttisinteger(rc)) {
|
||||
lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
|
||||
setivalue(ra, intop(*, ib, ic));
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
|
||||
setfltvalue(ra, luai_nummul(L, nb, nc));
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
|
||||
setivalue(ra, intop(*, ib, ic));
|
||||
}
|
||||
#endif
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_MUL)); }
|
||||
)
|
||||
vmbreak;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
vmcase(OP_DIV, /* float division (always with floats) */
|
||||
vmcase(OP_DIV) { /* float division (always with floats) */
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
lua_Number nb; lua_Number nc;
|
||||
|
@ -846,18 +850,10 @@ void luaV_execute (lua_State *L) {
|
|||
setfltvalue(ra, luai_numdiv(L, nb, nc));
|
||||
}
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_DIV)); }
|
||||
)
|
||||
vmbreak;
|
||||
}
|
||||
#endif
|
||||
vmcase(OP_IDIV, /* integer division */
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
|
||||
setivalue(ra, luaV_div(L, ib, ic));
|
||||
}
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_IDIV)); }
|
||||
)
|
||||
vmcase(OP_BAND,
|
||||
vmcase(OP_BAND) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
|
@ -865,8 +861,9 @@ void luaV_execute (lua_State *L) {
|
|||
setivalue(ra, intop(&, ib, ic));
|
||||
}
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_BAND)); }
|
||||
)
|
||||
vmcase(OP_BOR,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_BOR) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
|
@ -874,8 +871,9 @@ void luaV_execute (lua_State *L) {
|
|||
setivalue(ra, intop(|, ib, ic));
|
||||
}
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_BOR)); }
|
||||
)
|
||||
vmcase(OP_BXOR,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_BXOR) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
|
@ -883,8 +881,9 @@ void luaV_execute (lua_State *L) {
|
|||
setivalue(ra, intop(^, ib, ic));
|
||||
}
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_BXOR)); }
|
||||
)
|
||||
vmcase(OP_SHL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_SHL) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
|
@ -892,8 +891,9 @@ void luaV_execute (lua_State *L) {
|
|||
setivalue(ra, luaV_shiftl(ib, ic));
|
||||
}
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_SHL)); }
|
||||
)
|
||||
vmcase(OP_SHR,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_SHR) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
|
@ -901,28 +901,54 @@ void luaV_execute (lua_State *L) {
|
|||
setivalue(ra, luaV_shiftl(ib, -ic));
|
||||
}
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_SHR)); }
|
||||
)
|
||||
vmcase(OP_MOD,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_MOD) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
#ifndef _KERNEL
|
||||
lua_Number nb; lua_Number nc;
|
||||
#endif
|
||||
if (ttisinteger(rb) && ttisinteger(rc)) {
|
||||
lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
|
||||
setivalue(ra, luaV_mod(L, ib, ic));
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
|
||||
lua_Number m;
|
||||
luai_nummod(L, nb, nc, m);
|
||||
setfltvalue(ra, m);
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
|
||||
setivalue(ra, luaV_mod(L, ib, ic));
|
||||
}
|
||||
#endif
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_MOD)); }
|
||||
)
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_IDIV) { /* floor division */
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
#ifndef _KERNEL
|
||||
vmcase(OP_POW,
|
||||
lua_Number nb; lua_Number nc;
|
||||
if (ttisinteger(rb) && ttisinteger(rc)) {
|
||||
lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
|
||||
setivalue(ra, luaV_div(L, ib, ic));
|
||||
}
|
||||
else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
|
||||
setfltvalue(ra, luai_numidiv(L, nb, nc));
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_Integer ib; lua_Integer ic;
|
||||
if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
|
||||
setivalue(ra, luaV_div(L, ib, ic));
|
||||
}
|
||||
#endif
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_IDIV)); }
|
||||
vmbreak;
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
vmcase(OP_POW) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
lua_Number nb; lua_Number nc;
|
||||
|
@ -930,27 +956,32 @@ void luaV_execute (lua_State *L) {
|
|||
setfltvalue(ra, luai_numpow(L, nb, nc));
|
||||
}
|
||||
else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_POW)); }
|
||||
)
|
||||
vmbreak;
|
||||
}
|
||||
#endif
|
||||
vmcase(OP_UNM,
|
||||
vmcase(OP_UNM) {
|
||||
TValue *rb = RB(i);
|
||||
#ifndef _KERNEL
|
||||
lua_Number nb;
|
||||
#endif
|
||||
if (ttisinteger(rb)) {
|
||||
lua_Integer ib = ivalue(rb);
|
||||
setivalue(ra, intop(-, 0, ib));
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
else if (tonumber(rb, &nb)) {
|
||||
setfltvalue(ra, luai_numunm(L, nb));
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_Integer ib;
|
||||
if (tointeger(rb, &ib)) {
|
||||
setivalue(ra, intop(-, 0, ib));
|
||||
}
|
||||
#endif
|
||||
else {
|
||||
Protect(luaT_trybinTM(L, rb, rb, ra, TM_UNM));
|
||||
}
|
||||
)
|
||||
vmcase(OP_BNOT,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_BNOT) {
|
||||
TValue *rb = RB(i);
|
||||
lua_Integer ib;
|
||||
if (tointeger(rb, &ib)) {
|
||||
|
@ -959,16 +990,19 @@ void luaV_execute (lua_State *L) {
|
|||
else {
|
||||
Protect(luaT_trybinTM(L, rb, rb, ra, TM_BNOT));
|
||||
}
|
||||
)
|
||||
vmcase(OP_NOT,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_NOT) {
|
||||
TValue *rb = RB(i);
|
||||
int res = l_isfalse(rb); /* next assignment may change this value */
|
||||
setbvalue(ra, res);
|
||||
)
|
||||
vmcase(OP_LEN,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_LEN) {
|
||||
Protect(luaV_objlen(L, ra, RB(i)));
|
||||
)
|
||||
vmcase(OP_CONCAT,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_CONCAT) {
|
||||
int b = GETARG_B(i);
|
||||
int c = GETARG_C(i);
|
||||
StkId rb;
|
||||
|
@ -979,11 +1013,13 @@ void luaV_execute (lua_State *L) {
|
|||
setobjs2s(L, ra, rb);
|
||||
checkGC(L, (ra >= rb ? ra + 1 : rb));
|
||||
L->top = ci->top; /* restore top */
|
||||
)
|
||||
vmcase(OP_JMP,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_JMP) {
|
||||
dojump(ci, i, 0);
|
||||
)
|
||||
vmcase(OP_EQ,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_EQ) {
|
||||
TValue *rb = RKB(i);
|
||||
TValue *rc = RKC(i);
|
||||
Protect(
|
||||
|
@ -992,30 +1028,34 @@ void luaV_execute (lua_State *L) {
|
|||
else
|
||||
donextjump(ci);
|
||||
)
|
||||
)
|
||||
vmcase(OP_LT,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_LT) {
|
||||
Protect(
|
||||
if (luaV_lessthan(L, RKB(i), RKC(i)) != GETARG_A(i))
|
||||
ci->u.l.savedpc++;
|
||||
else
|
||||
donextjump(ci);
|
||||
)
|
||||
)
|
||||
vmcase(OP_LE,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_LE) {
|
||||
Protect(
|
||||
if (luaV_lessequal(L, RKB(i), RKC(i)) != GETARG_A(i))
|
||||
ci->u.l.savedpc++;
|
||||
else
|
||||
donextjump(ci);
|
||||
)
|
||||
)
|
||||
vmcase(OP_TEST,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_TEST) {
|
||||
if (GETARG_C(i) ? l_isfalse(ra) : !l_isfalse(ra))
|
||||
ci->u.l.savedpc++;
|
||||
else
|
||||
donextjump(ci);
|
||||
)
|
||||
vmcase(OP_TESTSET,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_TESTSET) {
|
||||
TValue *rb = RB(i);
|
||||
if (GETARG_C(i) ? l_isfalse(rb) : !l_isfalse(rb))
|
||||
ci->u.l.savedpc++;
|
||||
|
@ -1023,8 +1063,9 @@ void luaV_execute (lua_State *L) {
|
|||
setobjs2s(L, ra, rb);
|
||||
donextjump(ci);
|
||||
}
|
||||
)
|
||||
vmcase(OP_CALL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_CALL) {
|
||||
int b = GETARG_B(i);
|
||||
int nresults = GETARG_C(i) - 1;
|
||||
if (b != 0) L->top = ra+b; /* else previous instruction set top */
|
||||
|
@ -1037,8 +1078,9 @@ void luaV_execute (lua_State *L) {
|
|||
ci->callstatus |= CIST_REENTRY;
|
||||
goto newframe; /* restart luaV_execute over new Lua function */
|
||||
}
|
||||
)
|
||||
vmcase(OP_TAILCALL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_TAILCALL) {
|
||||
int b = GETARG_B(i);
|
||||
if (b != 0) L->top = ra+b; /* else previous instruction set top */
|
||||
lua_assert(GETARG_C(i) - 1 == LUA_MULTRET);
|
||||
|
@ -1066,8 +1108,9 @@ void luaV_execute (lua_State *L) {
|
|||
lua_assert(L->top == oci->u.l.base + getproto(ofunc)->maxstacksize);
|
||||
goto newframe; /* restart luaV_execute over new Lua function */
|
||||
}
|
||||
)
|
||||
vmcasenb(OP_RETURN,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_RETURN) {
|
||||
int b = GETARG_B(i);
|
||||
if (b != 0) L->top = ra+b-1;
|
||||
if (cl->p->sizep > 0) luaF_close(L, base);
|
||||
|
@ -1081,9 +1124,11 @@ void luaV_execute (lua_State *L) {
|
|||
lua_assert(GET_OPCODE(*((ci)->u.l.savedpc - 1)) == OP_CALL);
|
||||
goto newframe; /* restart luaV_execute over new Lua function */
|
||||
}
|
||||
)
|
||||
vmcase(OP_FORLOOP,
|
||||
}
|
||||
vmcase(OP_FORLOOP) {
|
||||
#ifndef _KERNEL
|
||||
if (ttisinteger(ra)) { /* integer loop? */
|
||||
#endif
|
||||
lua_Integer step = ivalue(ra + 2);
|
||||
lua_Integer idx = ivalue(ra) + step; /* increment index */
|
||||
lua_Integer limit = ivalue(ra + 1);
|
||||
|
@ -1092,8 +1137,8 @@ void luaV_execute (lua_State *L) {
|
|||
setivalue(ra, idx); /* update internal index... */
|
||||
setivalue(ra + 3, idx); /* ...and external index */
|
||||
}
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
}
|
||||
else { /* floating loop */
|
||||
lua_Number step = fltvalue(ra + 2);
|
||||
lua_Number idx = luai_numadd(L, fltvalue(ra), step); /* inc. index */
|
||||
|
@ -1106,12 +1151,14 @@ void luaV_execute (lua_State *L) {
|
|||
}
|
||||
}
|
||||
#endif
|
||||
)
|
||||
vmcase(OP_FORPREP,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_FORPREP) {
|
||||
TValue *init = ra;
|
||||
TValue *plimit = ra + 1;
|
||||
TValue *pstep = ra + 2;
|
||||
lua_Integer ilimit;
|
||||
#ifndef _KERNEL
|
||||
int stopnow;
|
||||
if (ttisinteger(init) && ttisinteger(pstep) &&
|
||||
forlimit(plimit, &ilimit, ivalue(pstep), &stopnow)) {
|
||||
|
@ -1120,23 +1167,34 @@ void luaV_execute (lua_State *L) {
|
|||
setivalue(plimit, ilimit);
|
||||
setivalue(init, initv - ivalue(pstep));
|
||||
}
|
||||
#ifndef _KERNEL
|
||||
else { /* try making all values floats */
|
||||
lua_Number ninit; lua_Number nlimit; lua_Number nstep;
|
||||
if (!tonumber(plimit, &nlimit))
|
||||
luaG_runerror(L, LUA_QL("for") " limit must be a number");
|
||||
luaG_runerror(L, "'for' limit must be a number");
|
||||
setfltvalue(plimit, nlimit);
|
||||
if (!tonumber(pstep, &nstep))
|
||||
luaG_runerror(L, LUA_QL("for") " step must be a number");
|
||||
luaG_runerror(L, "'for' step must be a number");
|
||||
setfltvalue(pstep, nstep);
|
||||
if (!tonumber(init, &ninit))
|
||||
luaG_runerror(L, LUA_QL("for") " initial value must be a number");
|
||||
luaG_runerror(L, "'for' initial value must be a number");
|
||||
setfltvalue(init, luai_numsub(L, ninit, nstep));
|
||||
}
|
||||
#else /* _KERNEL */
|
||||
lua_Integer initv; lua_Integer step;
|
||||
if (!tointeger(plimit, &ilimit))
|
||||
luaG_runerror(L, "'for' limit must be a number");
|
||||
setivalue(plimit, ilimit);
|
||||
if (!tointeger(pstep, &step))
|
||||
luaG_runerror(L, "'for' step must be a number");
|
||||
setivalue(pstep, step);
|
||||
if (!tointeger(init, &initv))
|
||||
luaG_runerror(L, "'for' initial value must be a number");
|
||||
setivalue(init, initv - step);
|
||||
#endif
|
||||
ci->u.l.savedpc += GETARG_sBx(i);
|
||||
)
|
||||
vmcasenb(OP_TFORCALL,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_TFORCALL) {
|
||||
StkId cb = ra + 3; /* call base */
|
||||
setobjs2s(L, cb+2, ra+2);
|
||||
setobjs2s(L, cb+1, ra+1);
|
||||
|
@ -1148,18 +1206,19 @@ void luaV_execute (lua_State *L) {
|
|||
ra = RA(i);
|
||||
lua_assert(GET_OPCODE(i) == OP_TFORLOOP);
|
||||
goto l_tforloop;
|
||||
)
|
||||
vmcase(OP_TFORLOOP,
|
||||
}
|
||||
vmcase(OP_TFORLOOP) {
|
||||
l_tforloop:
|
||||
if (!ttisnil(ra + 1)) { /* continue loop? */
|
||||
setobjs2s(L, ra, ra + 1); /* save control variable */
|
||||
ci->u.l.savedpc += GETARG_sBx(i); /* jump back */
|
||||
}
|
||||
)
|
||||
vmcase(OP_SETLIST,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_SETLIST) {
|
||||
int n = GETARG_B(i);
|
||||
int c = GETARG_C(i);
|
||||
int last;
|
||||
unsigned int last;
|
||||
Table *h;
|
||||
if (n == 0) n = cast_int(L->top - ra) - 1;
|
||||
if (c == 0) {
|
||||
|
@ -1177,8 +1236,9 @@ void luaV_execute (lua_State *L) {
|
|||
luaC_barrierback(L, h, val);
|
||||
}
|
||||
L->top = ci->top; /* correct top (in case of previous open call) */
|
||||
)
|
||||
vmcase(OP_CLOSURE,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_CLOSURE) {
|
||||
Proto *p = cl->p->p[GETARG_Bx(i)];
|
||||
LClosure *ncl = getcached(p, cl->upvals, base); /* cached closure */
|
||||
if (ncl == NULL) /* no match? */
|
||||
|
@ -1186,8 +1246,9 @@ void luaV_execute (lua_State *L) {
|
|||
else
|
||||
setclLvalue(L, ra, ncl); /* push cashed closure */
|
||||
checkGC(L, ra + 1);
|
||||
)
|
||||
vmcase(OP_VARARG,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_VARARG) {
|
||||
int b = GETARG_B(i) - 1;
|
||||
int j;
|
||||
int n = cast_int(base - ci->func) - cl->p->numparams - 1;
|
||||
|
@ -1205,10 +1266,12 @@ void luaV_execute (lua_State *L) {
|
|||
setnilvalue(ra + j);
|
||||
}
|
||||
}
|
||||
)
|
||||
vmcase(OP_EXTRAARG,
|
||||
vmbreak;
|
||||
}
|
||||
vmcase(OP_EXTRAARG) {
|
||||
lua_assert(0);
|
||||
)
|
||||
vmbreak;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* $NetBSD: lvm.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lvm.h,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lvm.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lvm.h,v 2.34 2014/08/01 17:24:02 roberto Exp
|
||||
** Lua virtual machine
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -15,10 +15,24 @@
|
|||
#include "ltm.h"
|
||||
|
||||
|
||||
#if !defined(LUA_NOCVTN2S)
|
||||
#define cvt2str(o) ttisnumber(o)
|
||||
#else
|
||||
#define cvt2str(o) 0 /* no conversion from numbers to strings */
|
||||
#endif
|
||||
|
||||
|
||||
#if !defined(LUA_NOCVTS2N)
|
||||
#define cvt2num(o) ttisstring(o)
|
||||
#else
|
||||
#define cvt2num(o) 0 /* no conversion from strings to numbers */
|
||||
#endif
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#define tonumber(o,n) \
|
||||
(ttisfloat(o) ? (*(n) = fltvalue(o), 1) : luaV_tonumber_(o,n))
|
||||
#else
|
||||
#else /* _KERNEL */
|
||||
#define tonumber tointeger
|
||||
#endif
|
||||
|
||||
|
@ -35,7 +49,6 @@ LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
|
|||
LUAI_FUNC int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r);
|
||||
LUAI_FUNC int luaV_tonumber_ (const TValue *obj, lua_Number *n);
|
||||
LUAI_FUNC int luaV_tointeger_ (const TValue *obj, lua_Integer *p);
|
||||
LUAI_FUNC int luaV_tostring (lua_State *L, StkId obj);
|
||||
LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key,
|
||||
StkId val);
|
||||
LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key,
|
||||
|
|
|
@ -1,19 +1,21 @@
|
|||
/* $NetBSD: lzio.c,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
/* $NetBSD: lzio.c,v 1.3 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lzio.c,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** Id: lzio.c,v 1.36 2014/11/02 19:19:04 roberto Exp
|
||||
** Buffered streams
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
#define lzio_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lprefix.h"
|
||||
|
||||
|
||||
#ifndef _KERNEL
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define lzio_c
|
||||
#define LUA_CORE
|
||||
|
||||
#include "lua.h"
|
||||
|
||||
#include "llimits.h"
|
||||
|
|
|
@ -1,7 +1,5 @@
|
|||
/* $NetBSD: lzio.h,v 1.2 2014/07/19 18:38:34 lneto Exp $ */
|
||||
|
||||
/*
|
||||
** $Id: lzio.h,v 1.2 2014/07/19 18:38:34 lneto Exp $
|
||||
** $Id: lzio.h,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
** Buffered streams
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
@ -39,7 +37,8 @@ typedef struct Mbuffer {
|
|||
|
||||
|
||||
#define luaZ_resizebuffer(L, buff, size) \
|
||||
(luaM_reallocvector(L, (buff)->buffer, (buff)->buffsize, size, char), \
|
||||
((buff)->buffer = luaM_reallocvchar(L, (buff)->buffer, \
|
||||
(buff)->buffsize, size), \
|
||||
(buff)->buffsize = size)
|
||||
|
||||
#define luaZ_freebuffer(L, buff) luaZ_resizebuffer(L, buff, 0)
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: syslog.c,v 1.1 2013/11/12 14:32:03 mbalmer Exp $ */
|
||||
/* $NetBSD: syslog.c,v 1.2 2015/02/02 14:03:05 lneto Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2013 Marc Balmer <marc@msys.ch>
|
||||
|
@ -55,7 +55,7 @@ syslog_openlog(lua_State *L)
|
|||
static int
|
||||
syslog_syslog(lua_State *L)
|
||||
{
|
||||
syslog(luaL_checkint(L, 1), "%s", luaL_checkstring(L, 2));
|
||||
syslog((int) luaL_checkinteger(L, 1), "%s", luaL_checkstring(L, 2));
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -69,7 +69,7 @@ syslog_closelog(lua_State *L)
|
|||
static int
|
||||
syslog_setlogmask(lua_State *L)
|
||||
{
|
||||
lua_pushinteger(L, setlogmask(luaL_checkint(L, 1)));
|
||||
lua_pushinteger(L, setlogmask((int) luaL_checkinteger(L, 1)));
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
# $NetBSD: Makefile,v 1.3 2014/07/19 18:38:35 lneto Exp $
|
||||
# $NetBSD: Makefile,v 1.4 2015/02/02 14:03:05 lneto Exp $
|
||||
|
||||
.include "../Makefile.inc"
|
||||
|
||||
KMOD= luapmf
|
||||
SRCS= luapmf.c
|
||||
|
||||
CPPFLAGS+= -I${S}/../external/mit/lua/dist/src
|
||||
CPPFLAGS+= -I${S}/../external/mit/lua/dist/src \
|
||||
-I${S}/sys
|
||||
|
||||
.include <bsd.kmodule.mk>
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
# $NetBSD: Makefile,v 1.2 2014/07/19 18:38:35 lneto Exp $
|
||||
# $NetBSD: Makefile,v 1.3 2015/02/02 14:03:05 lneto Exp $
|
||||
|
||||
.include "../Makefile.inc"
|
||||
|
||||
KMOD= luasystm
|
||||
SRCS= luasystm.c
|
||||
|
||||
CPPFLAGS+= -I${S}/../external/mit/lua/dist/src
|
||||
CPPFLAGS+= -I${S}/../external/mit/lua/dist/src \
|
||||
-I${S}/sys
|
||||
|
||||
.include <bsd.kmodule.mk>
|
||||
|
|
Loading…
Reference in New Issue