mirror of https://github.com/lua/lua
more cleaning on configurations
This commit is contained in:
Roberto Ierusalimschy
parent
47984a0cc2
commit
d3a6d95b9a
15
loslib.c
15
loslib.c
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
** $Id: loslib.c,v 1.5 2005/03/08 20:10:05 roberto Exp roberto $
|
||||
** $Id: loslib.c,v 1.6 2005/03/09 16:28:07 roberto Exp roberto $
|
||||
** Standard Operating System library
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
|
@ -57,16 +57,13 @@ static int io_rename (lua_State *L) {
|
|||
|
||||
|
||||
static int io_tmpname (lua_State *L) {
|
||||
#if !LUA_USE_TMPNAME
|
||||
luaL_error(L, "`tmpname' not supported");
|
||||
return 0;
|
||||
#else
|
||||
char buff[L_tmpnam];
|
||||
if (tmpnam(buff) != buff)
|
||||
return luaL_error(L, "unable to generate a unique filename in `tmpname'");
|
||||
char buff[LUA_TMPNAMBUFSIZE];
|
||||
int err;
|
||||
lua_tmpnam(buff, err);
|
||||
if (err)
|
||||
return luaL_error(L, "unable to generate a unique filename");
|
||||
lua_pushstring(L, buff);
|
||||
return 1;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
19
lstate.c
19
lstate.c
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
** $Id: lstate.c,v 2.24 2005/02/10 13:25:02 roberto Exp roberto $
|
||||
** $Id: lstate.c,v 2.25 2005/02/23 17:30:22 roberto Exp roberto $
|
||||
** Global State
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
|
@ -24,20 +24,9 @@
|
|||
#include "ltm.h"
|
||||
|
||||
|
||||
/*
|
||||
** macro to allow the inclusion of user information in Lua state
|
||||
*/
|
||||
#ifndef LUA_USERSTATE
|
||||
#define EXTRASPACE 0
|
||||
#else
|
||||
union UEXTRASPACE {L_Umaxalign a; LUA_USERSTATE b;};
|
||||
#define EXTRASPACE (sizeof(union UEXTRASPACE))
|
||||
#endif
|
||||
|
||||
|
||||
#define state_size(x) (sizeof(x) + EXTRASPACE)
|
||||
#define tostate(l) (cast(lua_State *, cast(lu_byte *, l) + EXTRASPACE))
|
||||
#define fromstate(l) (cast(lu_byte *, (l)) - EXTRASPACE)
|
||||
#define state_size(x) (sizeof(x) + LUAI_EXTRASPACE)
|
||||
#define fromstate(l) (cast(lu_byte *, (l)) - LUAI_EXTRASPACE)
|
||||
#define tostate(l) (cast(lua_State *, cast(lu_byte *, l) + LUAI_EXTRASPACE))
|
||||
|
||||
|
||||
/*
|
||||
|
|
|
|||
442
luaconf.h
442
luaconf.h
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
** $Id: luaconf.h,v 1.34 2005/03/08 20:10:05 roberto Exp roberto $
|
||||
** $Id: luaconf.h,v 1.35 2005/03/09 16:28:07 roberto Exp roberto $
|
||||
** Configuration file for Lua
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
|
@ -13,24 +13,25 @@
|
|||
|
||||
|
||||
/*
|
||||
** {======================================================
|
||||
** {==================================================================
|
||||
** Index (search for keyword to find corresponding entry)
|
||||
** =======================================================
|
||||
** ===================================================================
|
||||
*/
|
||||
|
||||
|
||||
/* }====================================================== */
|
||||
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
|
||||
/*
|
||||
** {======================================================
|
||||
** Generic configuration
|
||||
** =======================================================
|
||||
*@ LUA_PATH_DEFAULT is the default path that Lua uses to look for
|
||||
** Lua libraries.
|
||||
*@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for
|
||||
** 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.
|
||||
*/
|
||||
|
||||
/* CONFIG: default path */
|
||||
#if defined(_WIN32)
|
||||
#define LUA_ROOT "C:\\Program Files\\Lua51"
|
||||
#define LUA_LDIR LUA_ROOT "\\lua"
|
||||
|
|
@ -51,7 +52,11 @@
|
|||
#endif
|
||||
|
||||
|
||||
/* CONFIG: directory separator (for submodules) */
|
||||
/*
|
||||
*@ LUA_DIRSEP is the directory separator (for submodules).
|
||||
** CHANGE it if your machine does not use "/" as the directory separator
|
||||
** and is not Windows. (On Windows Lua automatically uses "\".)
|
||||
*/
|
||||
#if defined(_WIN32)
|
||||
#define LUA_DIRSEP "\\"
|
||||
#else
|
||||
|
|
@ -59,65 +64,73 @@
|
|||
#endif
|
||||
|
||||
|
||||
/* CONFIG: environment variables that hold the search path for packages */
|
||||
#define LUA_PATH "LUA_PATH"
|
||||
#define LUA_CPATH "LUA_CPATH"
|
||||
|
||||
/* CONFIG: prefix for open functions in C libraries */
|
||||
#define LUA_POF "luaopen_"
|
||||
|
||||
/* CONFIG: separator for open functions in C libraries */
|
||||
#define LUA_OFSEP "_"
|
||||
|
||||
/* CONFIG: separator of templates in a path */
|
||||
/*
|
||||
*@ LUA_PATHSEP is the character that separates templates in a path.
|
||||
** CHANGE it if for some reason your system cannot use a
|
||||
** semicolon. (E.g., a semicolon may be a too common character in
|
||||
** file/directory names.) Probably you do not need to change this.
|
||||
*/
|
||||
#define LUA_PATHSEP ';'
|
||||
|
||||
/* CONFIG: wild char in each template */
|
||||
#define LUA_PATH_MARK "?"
|
||||
|
||||
|
||||
|
||||
/* CONFIG: type of numbers in Lua */
|
||||
#define LUA_NUMBER double
|
||||
|
||||
/* CONFIG: formats for Lua numbers */
|
||||
#define LUA_NUMBER_SCAN "%lf"
|
||||
#define LUA_NUMBER_FMT "%.14g"
|
||||
|
||||
|
||||
/*
|
||||
** CONFIG: type for integer functions
|
||||
** on most machines, `ptrdiff_t' gives a reasonable size for integers
|
||||
*@ LUA_PATH_MARK is ths string that marks the substitution points in a
|
||||
** template.
|
||||
** CHANGE it if for some reason your system cannot use an interogation
|
||||
** mark. (E.g., an interogation mark may be a too common character in
|
||||
** file/directory names.) Probably you do not need to change this.
|
||||
*/
|
||||
#define LUA_PATH_MARK "?"
|
||||
|
||||
|
||||
/*
|
||||
*@ LUA_INTEGER is the integral type used by lua_pushinteger/lua_tointeger.
|
||||
** CHANGE that if ptrdiff_t is not adequate on your machine. (On most
|
||||
** machines, ptrdiff_t gives a good choice between int or long.)
|
||||
*/
|
||||
#define LUA_INTEGER ptrdiff_t
|
||||
|
||||
|
||||
/* CONFIG: mark for all API functions */
|
||||
/*
|
||||
*@ LUA_API is a mark for all core API functions.
|
||||
*@ LUALIB_API is a mark for all standard library functions.
|
||||
** CHANGE them if you need to define those functions in some special way.
|
||||
** For instance, if you want to create two Windows DLLs, one with the
|
||||
** core, the other with the libraries, you may want to use the following
|
||||
** definition:
|
||||
**
|
||||
** #ifdef LUA_CORE
|
||||
** #define LUA_API __declspec(__dllexport)
|
||||
** #else
|
||||
** #define LUA_API __declspec(__dllimport)
|
||||
** #endif
|
||||
** #ifdef LUA_LIB
|
||||
** #define LUALIB_API __declspec(__dllexport)
|
||||
** #else
|
||||
** #define LUALIB_API __declspec(__dllimport)
|
||||
** #endif
|
||||
*/
|
||||
#define LUA_API extern
|
||||
|
||||
/* CONFIG: mark for auxlib functions */
|
||||
#define LUALIB_API extern
|
||||
|
||||
/* CONFIG: buffer size used by lauxlib buffer system */
|
||||
#define LUAL_BUFFERSIZE BUFSIZ
|
||||
|
||||
|
||||
/* CONFIG: assertions in Lua (mainly for internal debugging) */
|
||||
/*
|
||||
*@ lua_assert describes the internal assertions in Lua.
|
||||
** CHANGE that only if you need to debug Lua.
|
||||
*/
|
||||
#define lua_assert(c) ((void)0)
|
||||
|
||||
/* }====================================================== */
|
||||
|
||||
|
||||
|
||||
/*
|
||||
** {======================================================
|
||||
** {==================================================================
|
||||
** Stand-alone configuration
|
||||
** =======================================================
|
||||
** ===================================================================
|
||||
*/
|
||||
|
||||
#ifdef lua_c
|
||||
|
||||
/* CONFIG: definition of `isatty' */
|
||||
/* CONFIG: definition of isatty */
|
||||
#ifdef _POSIX_C_SOURCE
|
||||
#include <unistd.h>
|
||||
#define stdin_is_tty() isatty(0)
|
||||
|
|
@ -138,7 +151,7 @@
|
|||
|
||||
|
||||
/*
|
||||
** CONFIG: this macro can be used by some `history' system to save lines
|
||||
** CONFIG: this macro can be used by some history system to save lines
|
||||
** read in manual input
|
||||
*/
|
||||
#define lua_saveline(L,line) /* empty */
|
||||
|
|
@ -147,20 +160,41 @@
|
|||
|
||||
#endif
|
||||
|
||||
/* }====================================================== */
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
/*
|
||||
** CHANGE here (undefining both luaL_getn and luaL_setn) if you want
|
||||
** exact compatibility with the behavior of setn/getn in Lua 5.0.
|
||||
*/
|
||||
#define luaL_getn(L,i) lua_objsize(L, i)
|
||||
#define luaL_setn(L,i,j) ((void)0) /* no op! */
|
||||
|
||||
/* CONFIG: LUA-C API assertions */
|
||||
|
||||
/*
|
||||
** CHANGE luai_apicheck if you want Lua to perform some checks in the
|
||||
** parameters it gets from API calls. This may slow down the interpreter
|
||||
** a bit, but may be quite useful when debugging C code that interfaces
|
||||
** with Lua. A useful redefinition may be like this:
|
||||
**
|
||||
** #include <assert.h>
|
||||
** #define luai_apicheck(L,o) assert(o)
|
||||
**
|
||||
** (By default lua_assert is empty, so luai_apicheck is also empty.)
|
||||
*/
|
||||
#define luai_apicheck(L,o) lua_assert(o)
|
||||
|
||||
|
||||
/* number of bits in an `int' */
|
||||
/*
|
||||
** CHANGE here if Lua cannot automatically detect the number of bits of
|
||||
** your machine. (In that case, simply define LUA_BITSINT.) 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 */
|
||||
/* int has at least 32 bits */
|
||||
#define LUAI_BITSINT 32
|
||||
#else
|
||||
#error "you must define LUA_BITSINT with number of bits in an integer"
|
||||
|
|
@ -168,66 +202,122 @@
|
|||
|
||||
|
||||
/*
|
||||
** CONFIG:
|
||||
** LUAI_UINT32: unsigned integer with at least 32 bits
|
||||
** LUAI_INT32: signed integer with at least 32 bits
|
||||
** LUAI_UMEM: an unsigned integer big enough to count the total memory
|
||||
** used by Lua
|
||||
** LUAI_MEM: a signed integer big enough to count the total memory used by Lua
|
||||
*@ LUAI_UINT32 is an unsigned integer with at least 32 bits.
|
||||
*@ LUAI_INT32 is an signed integer with at least 32 bits.
|
||||
*@ LUAI_UMEM is an an unsigned integer big enough to count the total
|
||||
** memory used by Lua.
|
||||
*@ LUAI_MEM is an 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. The `else' definition always works, but
|
||||
** may waste space on machines with 64-bit longs. Probably you do not
|
||||
** need to change this.
|
||||
*/
|
||||
#if LUAI_BITSINT >= 32
|
||||
#define LUAI_UINT32 unsigned int
|
||||
#define LUAI_INT32 int
|
||||
#define LUAI_MAXINT32 INT_MAX
|
||||
#define LUAI_UMEM size_t
|
||||
#define LUAI_MEM ptrdiff_t
|
||||
#define LUAI_MEM ptrdiff_t
|
||||
#else
|
||||
/* 16-bit ints */
|
||||
#define LUAI_UINT32 unsigned long
|
||||
#define LUAI_INT32 long
|
||||
#define LUAI_MAXINT32 LONG_MAX
|
||||
#define LUAI_UMEM LUAI_UINT32
|
||||
#define LUAI_MEM ptrdiff_t
|
||||
#define LUAI_UMEM unsigned long
|
||||
#define LUAI_MEM long
|
||||
#endif
|
||||
|
||||
|
||||
/* CONFIG: maximum depth for calls (unsigned short) */
|
||||
#define LUAI_MAXCALLS 10000
|
||||
/*
|
||||
*@ LUAI_MAXCALLS limits the number of nested calls.
|
||||
** CHANGE it if you need really deep recursive calls. This limit is
|
||||
** arbitrary; its only purpose is to stop infinite recursion before
|
||||
** exhausting memory. (This value must fit in an unsigned short.)
|
||||
*/
|
||||
#define LUAI_MAXCALLS 40000
|
||||
|
||||
|
||||
/*
|
||||
** CONFIG: maximum depth for C calls (unsigned short): Not too big, or may
|
||||
** overflow the C stack...
|
||||
*@ LUAI_MAXCSTACK limits the number of slots that a C function can use.
|
||||
** CHANGE it if you need lots of (Lua) stack space for your C
|
||||
** functions. This limit is arbitrary; its only purpose is to stop C
|
||||
** functions to consume unlimited stack space.
|
||||
*/
|
||||
#define LUAI_MAXCSTACK 2048
|
||||
|
||||
|
||||
|
||||
/*
|
||||
** {==================================================================
|
||||
** CHANGE (to smaller values) the following definitions if your system
|
||||
** has a small C stack. (Or you may want to change them to larger
|
||||
** values if your system has a large C stack and these limits are
|
||||
** too rigid for you.) Some of these constants control the size of
|
||||
** stack-allocated arrays used by the compiler or the interpreter, while
|
||||
** others limit the maximum number of recursive calls that the compiler
|
||||
** or the interpreter can perform. Values too large may cause a C stack
|
||||
** overflow for some forms of deep constructs.
|
||||
** ===================================================================
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
*@ LUAI_MAXCCALLS is the maximum depth for nested C calls (unsigned short).
|
||||
*/
|
||||
#define LUAI_MAXCCALLS 200
|
||||
|
||||
|
||||
/* CONFIG: maximum size for the virtual stack of a C function */
|
||||
#define LUAI_MAXCSTACK 2048
|
||||
|
||||
|
||||
/*
|
||||
** CONFIG: maximum number of syntactical nested non-terminals: Not too big,
|
||||
** or may overflow the C stack...
|
||||
*@ LUAI_MAXPARSERLEVEL is the maximum number of syntactical nested
|
||||
** non-terminals in a program.
|
||||
*/
|
||||
#define LUAI_MAXPARSERLEVEL 200
|
||||
|
||||
|
||||
/* CONFIG: maximum number of variables declared in a function */
|
||||
#define LUAI_MAXVARS 200 /* <MAXSTACK */
|
||||
/*
|
||||
*@ LUAI_MAXVARS is the maximum number of local variables per function
|
||||
** (must be smaller than 250).
|
||||
*/
|
||||
#define LUAI_MAXVARS 200
|
||||
|
||||
|
||||
/* CONFIG: maximum number of upvalues per function */
|
||||
#define LUAI_MAXUPVALUES 60 /* <MAXSTACK */
|
||||
/*
|
||||
*@ LUAI_MAXUPVALUES is the maximum number of upvalues per function
|
||||
** (must be smaller than 250).
|
||||
*/
|
||||
#define LUAI_MAXUPVALUES 60
|
||||
|
||||
|
||||
/* CONFIG: maximum size of expressions for optimizing `while' code */
|
||||
/*
|
||||
*@ LUAI_MAXEXPWHILE is the maximum size of code for expressions
|
||||
** controling a `while' loop.
|
||||
*/
|
||||
#define LUAI_MAXEXPWHILE 100
|
||||
|
||||
|
||||
/* CONFIG: function to convert a lua_Number to int (with any rounding method) */
|
||||
/*
|
||||
*@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
|
||||
*/
|
||||
#define LUAL_BUFFERSIZE BUFSIZ
|
||||
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
|
||||
/*
|
||||
*@ lua_number2int is a macro to convert lua_Number to int.
|
||||
** CHANGE that if you know a faster way to convert a lua_Number to
|
||||
** int (with any rounding method and without throwing errors) in your
|
||||
** system. In Pentium machines, a naive typecast from doulbe to int
|
||||
** in C is extremely slow, so any alternative is worth trying.
|
||||
*/
|
||||
|
||||
/* On a GNU/Pentium, resort to assembler */
|
||||
#if defined(__GNUC__) && defined(__i386)
|
||||
#define lua_number2int(i,d) __asm__ ("fistpl %0":"=m"(i):"t"(d):"st")
|
||||
|
||||
/* On Windows/Pentium, resort to assembler */
|
||||
#elif defined(_MSC_VER) && defined(_M_IX86)
|
||||
#pragma warning(disable: 4514)
|
||||
__inline int l_lrint (double flt)
|
||||
|
|
@ -240,57 +330,98 @@ __inline int l_lrint (double flt)
|
|||
}
|
||||
#define lua_number2int(i,d) ((i)=l_lrint((d)))
|
||||
|
||||
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199900L)
|
||||
/* on machines compliant with C99, you can try `lrint' */
|
||||
/* on Pentium machines compliant with C99, you can try lrint */
|
||||
#elif defined (__i386) && defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199900L)
|
||||
#define lua_number2int(i,d) ((i)=lrint(d))
|
||||
|
||||
/* this option always work, but may be slow */
|
||||
#else
|
||||
#define lua_number2int(i,d) ((i)=(int)(d))
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/* CONFIG: function to convert a lua_Number to lua_Integer (with any rounding method) */
|
||||
/*
|
||||
*@ lua_number2integer is a macro to convert lua_Number to lua_Integer.
|
||||
** CHANGE (see lua_number2int).
|
||||
*/
|
||||
/* On a GNU or Windows/Pentium, resort to assembler */
|
||||
#if (defined(__GNUC__) && defined(__i386)) || \
|
||||
(defined(_MSC_VER) && defined(_M_IX86))
|
||||
#define lua_number2integer(i,n) lua_number2int((i), (n))
|
||||
|
||||
/* this option always work, but may be slow */
|
||||
#else
|
||||
#define lua_number2integer(i,d) ((i)=(lua_Integer)(d))
|
||||
|
||||
/* CONFIG: function to convert a lua_Number to a string */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/*
|
||||
** {==================================================================
|
||||
** CHANGE the following definitions only if you want to build Lua
|
||||
** with a number type different from double. You may also need to
|
||||
** change lua_number2int & lua_number2integer.
|
||||
** ===================================================================
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
*@ LUA_NUMBER is the type of numbers in Lua.
|
||||
*@ LUAI_UACNUMBER is the result of an `usual argument conversion'
|
||||
** over a number.
|
||||
*/
|
||||
#define LUA_NUMBER double
|
||||
#define LUAI_UACNUMBER LUA_NUMBER
|
||||
|
||||
|
||||
/*
|
||||
*@ LUA_NUMBER_SCAN is the format for reading numbers.
|
||||
*@ LUA_NUMBER_FMT is the format for writing numbers.
|
||||
*@ lua_number2str converts a number to a string.
|
||||
*@ LUAI_MAXNUMBER2STR is maximum size of previous conversion.
|
||||
*@ lua_str2number converts a string to a number.
|
||||
*/
|
||||
#define LUA_NUMBER_SCAN "%lf"
|
||||
#define LUA_NUMBER_FMT "%.14g"
|
||||
#define lua_number2str(s,n) sprintf((s), LUA_NUMBER_FMT, (n))
|
||||
/* maximum size of previous conversion */
|
||||
#define LUAI_MAXNUMBER2STR 32 /* 16 digits, sign, point, and \0 */
|
||||
|
||||
/* CONFIG: function to convert a string to a lua_Number */
|
||||
#define lua_str2number(s,p) strtod((s), (p))
|
||||
|
||||
|
||||
|
||||
/* CONFIG: result of a `usual argument conversion' over lua_Number */
|
||||
#define LUAI_UACNUMBER double
|
||||
|
||||
|
||||
/* CONFIG: primitive operators for numbers */
|
||||
/*
|
||||
*@ The luai_num* macros define the primitive operations over numbers.
|
||||
*/
|
||||
#define luai_numadd(a,b) ((a)+(b))
|
||||
#define luai_numsub(a,b) ((a)-(b))
|
||||
#define luai_nummul(a,b) ((a)*(b))
|
||||
#define luai_numdiv(a,b) ((a)/(b))
|
||||
#define luai_nummod(a,b) ((a) - floor((a)/(b))*(b))
|
||||
#define luai_numpow(a,b) pow(a,b)
|
||||
#define luai_numunm(a) (-(a))
|
||||
#define luai_numeq(a,b) ((a)==(b))
|
||||
#define luai_numlt(a,b) ((a)<(b))
|
||||
#define luai_numle(a,b) ((a)<=(b))
|
||||
#define luai_nummod(a,b) ((a) - floor((a)/(b))*(b))
|
||||
#define luai_numpow(a,b) pow(a,b)
|
||||
|
||||
/* }================================================================== */
|
||||
|
||||
|
||||
|
||||
/* CONFIG: type to ensure maximum alignment */
|
||||
/*
|
||||
*@ LUAI_USER_ALIGNMENT_T is a type that requires maximum alignment.
|
||||
** CHANGE it if your system requires alignments larger than double. (For
|
||||
** instance, if your system supports long double and those long doubles
|
||||
** must be aligned in 16-byte boundaries, then you should add long
|
||||
** double in the union.) Probably you do not need to change this.
|
||||
*/
|
||||
#define LUAI_USER_ALIGNMENT_T union { double u; void *s; long l; }
|
||||
|
||||
|
||||
/*
|
||||
** CONFIG: exception handling: by default, Lua handles errors with
|
||||
** longjmp/setjmp when compiling as C code and with exceptions
|
||||
** when compiling as C++ code. Change that if you prefer to use
|
||||
** longjmp/setjmp even with C++.
|
||||
*@ LUAI_THROW/LUAI_TRY define how Lua does exception handling.
|
||||
** CHANGE them if you prefer to use longjmp/setjmp even with C++. By
|
||||
** default, Lua handles errors with longjmp/setjmp when compiling as C
|
||||
** code and with exceptions when compiling as C++ code.
|
||||
*/
|
||||
#ifndef __cplusplus
|
||||
/* default handling with long jumps */
|
||||
|
|
@ -307,60 +438,44 @@ __inline int l_lrint (double flt)
|
|||
#endif
|
||||
|
||||
|
||||
|
||||
/*
|
||||
** CONFIG: macros for thread synchronization inside Lua core
|
||||
** machine: This is an attempt to simplify the implementation of a
|
||||
** multithreaded version of Lua. Do not change that unless you know
|
||||
** what you are doing. all accesses to the global state and to global
|
||||
** objects are synchronized. Because threads can read the stack of
|
||||
** other threads (when running garbage collection), a thread must also
|
||||
** synchronize any write-access to its own stack. Unsynchronized
|
||||
** accesses are allowed only when reading its own stack, or when reading
|
||||
** immutable fields from global objects (such as string values and udata
|
||||
** values).
|
||||
*@ LUA_MAXCAPTURES is the maximum number of captures that a pattern
|
||||
** can do during pattern-matching.
|
||||
** CHANGE it if you need more captures. This limit is arbitrary.
|
||||
*/
|
||||
#define lua_lock(L) ((void) 0)
|
||||
#define lua_unlock(L) ((void) 0)
|
||||
|
||||
|
||||
/*
|
||||
** CONFIG: this macro allows a thread switch in appropriate places in
|
||||
** the Lua core
|
||||
*/
|
||||
#define lua_threadyield(L) {lua_unlock(L); lua_lock(L);}
|
||||
|
||||
|
||||
|
||||
/* CONFIG: allows user-specific initialization on new threads */
|
||||
#define lua_userstateopen(L) ((void)0)
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
/* CONFIG: maximum number of captures in pattern-matching (arbitrary limit) */
|
||||
#define LUA_MAXCAPTURES 32
|
||||
|
||||
|
||||
/*
|
||||
** CONFIG: by default, gcc does not get `os.tmpname', because it
|
||||
** generates a warning when using `tmpname'. Change that if you really
|
||||
** want (or do not want) `os.tmpname' available.
|
||||
*@ lua_tmpnam is the function that the OS library uses to create a
|
||||
** temporary name.
|
||||
** CHANGE it if you have an alternative to tmpnam (which is considered
|
||||
** insecure) or if you want the original tmpnam anyway. By default,
|
||||
** Lua uses tmpnam except when compiled when POSIX is available, where
|
||||
** it uses mkstemp.
|
||||
*/
|
||||
#ifdef __GNUC__
|
||||
#define LUA_USE_TMPNAME 0
|
||||
#ifdef _POSIX_C_SOURCE
|
||||
#include <unistd.h>
|
||||
#define LUA_TMPNAMBUFSIZE 32
|
||||
#define lua_tmpnam(b,e) { \
|
||||
strcpy(b, "/tmp/lua_XXXXXX"); \
|
||||
e = mkstemp(b); \
|
||||
if (e != -1) close(e); \
|
||||
e = (e == -1); }
|
||||
#else
|
||||
#define LUA_USE_TMPNAME 1
|
||||
#define LUA_TMPNAMBUFSIZE L_tmpnam
|
||||
#define lua_tmpnam(b,e) { e = (tmpnam(b) == NULL); }
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
** CONFIG: Configuration for loadlib: Lua tries to guess the
|
||||
** dynamic-library system that your platform uses (either Windows' DLL,
|
||||
** Mac's dyld, or dlopen). If your system is some kind of Unix, there is
|
||||
** a good chance that LUA_USE_DLOPEN will work for it. You may need to adapt
|
||||
** also the makefile.
|
||||
*@ LUA_USE_* define which dynamic-library system Lua should use.
|
||||
** CHANGE here if Lua has problems choosing the appropriate
|
||||
** dynamic-library system for your platform (either Windows' DLL, Mac's
|
||||
** dyld, or Unix's dlopen). If your system is some kind of Unix, there
|
||||
** is a good chance that LUA_USE_DLOPEN will work for it. (You may need
|
||||
** to adapt also the makefile.) If you do not want any kind of dynamic
|
||||
** library, undefine all these options (or just remove these definitions).
|
||||
*/
|
||||
#if defined(_WIN32)
|
||||
#define LUA_USE_DLL
|
||||
|
|
@ -371,12 +486,51 @@ __inline int l_lrint (double flt)
|
|||
#endif
|
||||
|
||||
|
||||
/*
|
||||
*@ lua_lock/lua_unlock are macros for thread synchronization inside the
|
||||
** Lua core. This is an attempt to simplify the implementation of a
|
||||
** multithreaded version of Lua.
|
||||
** CHANGE them only if you know what you are doing. all accesses to
|
||||
** the global state and to global objects are synchronized. Because
|
||||
** threads can read the stack of other threads (when running garbage
|
||||
** collection), a thread must also synchronize any write-access to its
|
||||
** own stack. Unsynchronized accesses are allowed only when reading its
|
||||
** own stack, or when reading immutable fields from global objects (such
|
||||
** as string values and udata values).
|
||||
*/
|
||||
#define lua_lock(L) ((void) 0)
|
||||
#define lua_unlock(L) ((void) 0)
|
||||
|
||||
/* ======================================================= */
|
||||
|
||||
/*
|
||||
*@ lua_threadyield allows a thread switch in appropriate places in the core.
|
||||
** CHANGE it only if you know what you are doing. (See lua_lock.)
|
||||
*/
|
||||
#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);}
|
||||
|
||||
|
||||
/*
|
||||
*@ LUA_EXTRASPACE allows you to add user-specific data in a lua_State
|
||||
** (the data goes just *before* the lua_State pointer).
|
||||
** CHANGE (define) this if you really need that. This value must be
|
||||
** a multiple of the maximum alignment required for your machine.
|
||||
*/
|
||||
#define LUAI_EXTRASPACE 0
|
||||
|
||||
|
||||
/*
|
||||
*@ lua_userstateopen allows user-specific initialization on new threads.
|
||||
** CHANGE it if you defined LUA_EXTRASPACE and need to initialize that
|
||||
** data whenever a new lua_State is created.
|
||||
*/
|
||||
#define luai_userstateopen(L) ((void)0)
|
||||
|
||||
|
||||
|
||||
/* =================================================================== */
|
||||
|
||||
/* Local configuration */
|
||||
|
||||
#undef LUA_USE_TMPNAME
|
||||
#define LUA_USE_TMPNAME 1
|
||||
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue