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138 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
3c0d3c6fbe Avoid using addresses of static variables as unique keys 
The addresses of static variables may be different for different
instances of Lua, making these instances incompatible if they use
these addresses as unique keys in the registry (or other tables).
 2019-07-19 13:14:06 -03:00
Roberto Ierusalimschy
e888976bc6 Details (typos in comments) 2019-07-05 15:03:15 -03:00
Roberto Ierusalimschy
b14609032c Avoid the creation of too many strings in 'package' 
Both when setting a path and searching for a file ('searchpath'),
this commit reduces the number of intermediate strings created
in Lua.
(For setting a path the change is not relevant, because this is
done only twice when loading the module. Anyway, it is a nice example
of how to use auxlib buffers to manipulate strings in the C API.)
 2019-05-03 10:14:25 -03:00
Roberto Ierusalimschy
ed2872cd3b 'require' returns where module was found 
The function 'require' returns the *loader data* as a second result.
For file searchers, this data is the path where they found the module.
 2019-04-17 14:57:29 -03:00
Roberto Ierusalimschy
f99509581e Removed extra information from RCS keyword strings 
Version numbers and dates (mostly wrong) from RCS keyword strings
removed from all source files; only the file name are kept.
 2018-08-23 14:26:12 -03:00
Roberto Ierusalimschy
ccf6d098f6 'searchpath' creates less temporary strings 
When creating error messages, package loaders may create dozens of
temporary strings (one or more for each tried template). This change
reduces the number of these strings, and avoid creating some of
them if the search is successful.
 2018-07-09 13:29:08 -03:00
Roberto Ierusalimschy
34b00c16e2 removed compatibility code with older versions 2018-02-27 15:47:32 -03:00
Roberto Ierusalimschy
36cf8f3a3c Code should not change the stack level after the initialization of a 
string buffer.
 2017-12-13 10:51:42 -02:00
Roberto Ierusalimschy
94c1b3a8ee Handling of LUA_PATH/LUA_CPATH moved back to 'package' library 
to avoid incompatibilites with previous releases
 2017-01-12 15:14:26 -02:00
Roberto Ierusalimschy
b2aa2ba046 using constants for "_LOADED" and "PRELOAD" 2016-12-04 18:17:24 -02:00
Roberto Ierusalimschy
de3fd8ab83 Handling of LUA_PATH/LUA_CPATH moved from package library to stand 
alone interpreter (so that 'lua.c' concentrates all handling of
environment variables)
 2016-07-18 14:55:59 -03:00
Roberto Ierusalimschy
c5112f7b15 details (comments) 2015-11-23 09:30:45 -02:00
Roberto Ierusalimschy
374f6c4612 detail ('fopen' needs 'stdio.h') 2015-02-16 11:14:33 -02:00
Roberto Ierusalimschy
a9a4bf68b0 typo in comment 2015-01-13 11:18:04 -02:00
Roberto Ierusalimschy
0adfa773b9 new macro 'cast_func' adds '__extension__' (in gnu compilers) when 
converting void* to function, to avoid warnings
 2015-01-05 11:51:39 -02:00
Roberto Ierusalimschy
52c0f9575b uses return value from lua_getfield 2014-11-12 11:31:51 -02:00
Roberto Ierusalimschy
e320790154 using address instead of string for key for table 'CLIBS' in the 
registry
 2014-11-10 12:28:31 -02:00
Roberto Ierusalimschy
c49edc4566 keep "#include <windows.h>" in this file, but without the 
previous requirement that it must be included before any other
header file (it doesn't seem to matter)
 2014-11-03 13:11:10 -02:00
Roberto Ierusalimschy
28fdbcf393 added include for 'lprefix.h', for stuff that must be added before 
any other header file
 2014-11-02 17:19:04 -02:00
Roberto Ierusalimschy
aa1bd8876c comments 2014-10-27 16:05:37 -02:00
Roberto Ierusalimschy
bdf566a8a3 `name' in comments changed to 'name' 2014-10-25 09:50:46 -02:00
Roberto Ierusalimschy
f97c64d7bf macros 'LUA_QL'/'LUA_QL' deprecated 2014-10-17 13:28:21 -03:00
Roberto Ierusalimschy
3ccbae84d2 added some casts between integral types (to avoid warnings) 2014-07-29 13:01:00 -03:00
Roberto Ierusalimschy
255d59ed5e some janitorial work (comments, small refactoring) 2014-07-28 14:47:53 -03:00
Roberto Ierusalimschy
f14662fca6 detail (added placeholders for non-function fields to preallocate 
space for them)
 2014-07-16 10:56:14 -03:00
Roberto Ierusalimschy
a3addae036 lua_gettable and similars return type of gotten value 2014-03-12 17:57:40 -03:00
Roberto Ierusalimschy
c5fcba1a17 detail (changing some names of macros) 2013-10-07 11:20:31 -03:00
Roberto Ierusalimschy
b77a90681e typos in comments 2012-05-30 09:33:44 -03:00
Roberto Ierusalimschy
ec22fc963a detail (separate code to create 'searchers' table into a new function) 2012-04-26 16:38:52 -03:00
Roberto Ierusalimschy
b10dbe5c72 bug: C libraries must be unloaded after all other finalizers have run, 
because a finalizer may use a C function from a C library
 2012-04-11 13:35:32 -03:00
Roberto Ierusalimschy
e2fc2ce8df new way to handle -E option (write a mark in the registry to avoid 
reading environment variables)
 2011-12-12 14:34:03 -02:00
Roberto Ierusalimschy
7bcb2462e4 comments 2011-11-30 10:58:57 -02:00
Roberto Ierusalimschy
aea68e5c54 explicit option RTLD_LOCAL instead of 0 (Posix does not fix 
a default for dlopen)
 2011-11-28 15:27:51 -02:00
Roberto Ierusalimschy
5184ff2096 'LUA_DL_DLL' is not yet defined before the inclusion of 'lua.h' 2011-11-25 10:52:03 -02:00
Roberto Ierusalimschy
3105febf9a using Lua buffers to build error messages 2011-11-10 09:42:58 -02:00
Roberto Ierusalimschy
eef22fa4ce create error messages with a single concat, to avoid problems with 
creating strings piecemeal
 2011-11-09 17:11:20 -02:00
Roberto Ierusalimschy
30cea671a7 configurable 'directory separator' in 'package.searchpath' 2011-11-09 13:18:04 -02:00
Roberto Ierusalimschy
6d8d282e0f avoid calling "extra value" as if it were a function option 2011-11-06 11:59:12 -02:00
Roberto Ierusalimschy
79cbc3468c removed and deprecated functions really removed from the code base 2011-07-05 09:49:35 -03:00
Roberto Ierusalimschy
49a01c0991 'package.loaders' -> 'package.searchers' 2011-06-28 14:14:12 -03:00
Roberto Ierusalimschy
19fbdf6cae 'luaL_findtable' -> 'luaL_getsubtable' 2011-04-08 16:17:36 -03:00
Roberto Ierusalimschy
e049abb69a loaders receive an extra argument returned by the searcher 
(typically the file name)
 2011-03-01 14:01:53 -03:00
Roberto Ierusalimschy
e7a9c45a48 trying to avoid assumption that sizeof(char)==1 2011-02-07 17:15:24 -02:00
Roberto Ierusalimschy
67feed49f1 optional argument 'sep' to 'searchpath' 2011-01-07 16:54:49 -02:00
Roberto Ierusalimschy
0a6a6b9d9d no more sentinel to detect loops in module dependencies; 
usual message for infinite recursion is good enough.
 2010-11-10 18:00:04 -02:00
Roberto Ierusalimschy
c97aa9485c new function 'luaL_setmetatable' 2010-11-10 16:05:36 -02:00
Roberto Ierusalimschy
ba8dca00ac detail (ununsed parameter) 2010-10-29 12:35:09 -02:00
Roberto Ierusalimschy
0df2238063 name "_ENV" configurable through 'luaconf.h' 2010-09-07 16:21:39 -03:00
Roberto Ierusalimschy
fd4b4a2a68 detail: registry._PRELOAD must be a table, no need to check 2010-08-02 14:14:48 -03:00
Roberto Ierusalimschy
d447945685 'module'/'luaL_register' and associates are deprecated 2010-07-28 12:51:59 -03:00