forked from mia/Aegisub
1. svn mv assdraw csri hunspell lua51 contrib * See r2749 for full description. Originally committed to SVN as r2754.
763 lines
22 KiB
C
763 lines
22 KiB
C
/*
|
|
** $Id: luaconf.h,v 1.82a 2006/04/10 18:27:23 roberto Exp $
|
|
** Configuration file for Lua
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
|
|
#ifndef lconfig_h
|
|
#define lconfig_h
|
|
|
|
#include <limits.h>
|
|
#include <stddef.h>
|
|
|
|
|
|
/*
|
|
** ==================================================================
|
|
** Search for "@@" to find all configurable definitions.
|
|
** ===================================================================
|
|
*/
|
|
|
|
|
|
/*
|
|
@@ 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.
|
|
*/
|
|
#if defined(__STRICT_ANSI__)
|
|
#define LUA_ANSI
|
|
#endif
|
|
|
|
|
|
#if !defined(LUA_ANSI) && defined(_WIN32)
|
|
#define LUA_WIN
|
|
#endif
|
|
|
|
#if defined(LUA_USE_LINUX)
|
|
#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_POSIX
|
|
#define LUA_DL_DYLD /* does not need extra library */
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
@@ LUA_USE_POSIX includes all functionallity listed as X/Open System
|
|
@* Interfaces Extension (XSI).
|
|
** CHANGE it (define it) if your system is XSI compatible.
|
|
*/
|
|
#if defined(LUA_USE_POSIX)
|
|
#define LUA_USE_MKSTEMP
|
|
#define LUA_USE_ISATTY
|
|
#define LUA_USE_POPEN
|
|
#define LUA_USE_ULONGJMP
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ LUA_PATH and LUA_CPATH are the names of the environment variables that
|
|
@* Lua check to set its paths.
|
|
@@ LUA_INIT is the name of the environment variable that Lua
|
|
@* checks for initialization code.
|
|
** CHANGE them if you want different names.
|
|
*/
|
|
#define LUA_PATH "LUA_PATH"
|
|
#define LUA_CPATH "LUA_CPATH"
|
|
#define LUA_INIT "LUA_INIT"
|
|
|
|
|
|
/*
|
|
@@ 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.
|
|
*/
|
|
#if defined(_WIN32)
|
|
/*
|
|
** In Windows, any exclamation mark ('!') in the path is replaced by the
|
|
** path of the directory of the executable file of the current process.
|
|
*/
|
|
#define LUA_LDIR "!\\lua\\"
|
|
#define LUA_CDIR "!\\"
|
|
#define LUA_PATH_DEFAULT \
|
|
".\\?.lua;" LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \
|
|
LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua"
|
|
#define LUA_CPATH_DEFAULT \
|
|
".\\?.dll;" LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
|
|
|
|
#else
|
|
#define LUA_ROOT "/usr/local/"
|
|
#define LUA_LDIR LUA_ROOT "share/lua/5.1/"
|
|
#define LUA_CDIR LUA_ROOT "lib/lua/5.1/"
|
|
#define LUA_PATH_DEFAULT \
|
|
"./?.lua;" LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua;" \
|
|
LUA_CDIR"?.lua;" LUA_CDIR"?/init.lua"
|
|
#define LUA_CPATH_DEFAULT \
|
|
"./?.so;" LUA_CDIR"?.so;" LUA_CDIR"loadall.so"
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ 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
|
|
#define LUA_DIRSEP "/"
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ LUA_PATHSEP is the character that separates templates in a path.
|
|
@@ LUA_PATH_MARK is the string that marks the substitution points in a
|
|
@* template.
|
|
@@ LUA_EXECDIR in a Windows path is replaced by the executable's
|
|
@* directory.
|
|
@@ LUA_IGMARK is a mark to ignore all before it when bulding the
|
|
@* luaopen_ function name.
|
|
** CHANGE them if for some reason your system cannot use those
|
|
** characters. (E.g., if one of those characters is a common character
|
|
** in file/directory names.) Probably you do not need to change them.
|
|
*/
|
|
#define LUA_PATHSEP ";"
|
|
#define LUA_PATH_MARK "?"
|
|
#define LUA_EXECDIR "!"
|
|
#define LUA_IGMARK "-"
|
|
|
|
|
|
/*
|
|
@@ 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
|
|
|
|
|
|
/*
|
|
@@ 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 one Windows DLL with the core and
|
|
** the libraries, you may want to use the following definition (define
|
|
** LUA_BUILD_AS_DLL to get it).
|
|
*/
|
|
#if defined(LUA_BUILD_AS_DLL)
|
|
|
|
#if defined(LUA_CORE) || defined(LUA_LIB)
|
|
#define LUA_API __declspec(dllexport)
|
|
#else
|
|
#define LUA_API __declspec(dllimport)
|
|
#endif
|
|
|
|
#else
|
|
|
|
#define LUA_API extern
|
|
|
|
#endif
|
|
|
|
/* more often than not the libs go together with the core */
|
|
#define LUALIB_API LUA_API
|
|
|
|
|
|
/*
|
|
@@ LUAI_FUNC is a mark for all extern functions that are not to be
|
|
@* exported to outside modules.
|
|
@@ LUAI_DATA is a mark for all extern (const) variables that are not to
|
|
@* be exported to outside modules.
|
|
** 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.
|
|
*/
|
|
#if defined(luaall_c)
|
|
#define LUAI_FUNC static
|
|
#define LUAI_DATA /* empty */
|
|
|
|
#elif defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \
|
|
defined(__ELF__)
|
|
#define LUAI_FUNC __attribute__((visibility("hidden"))) extern
|
|
#define LUAI_DATA LUAI_FUNC
|
|
|
|
#else
|
|
#define LUAI_FUNC extern
|
|
#define LUAI_DATA extern
|
|
#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
|
|
|
|
|
|
/*
|
|
** {==================================================================
|
|
** Stand-alone configuration
|
|
** ===================================================================
|
|
*/
|
|
|
|
#if defined(lua_c) || defined(luaall_c)
|
|
|
|
/*
|
|
@@ lua_stdin_is_tty detects whether the standard input is a 'tty' (that
|
|
@* is, whether we're running lua interactively).
|
|
** CHANGE it if you have a better definition for non-POSIX/non-Windows
|
|
** systems.
|
|
*/
|
|
#if defined(LUA_USE_ISATTY)
|
|
#include <unistd.h>
|
|
#define lua_stdin_is_tty() isatty(0)
|
|
#elif defined(LUA_WIN)
|
|
#include <io.h>
|
|
#include <stdio.h>
|
|
#define lua_stdin_is_tty() _isatty(_fileno(stdin))
|
|
#else
|
|
#define lua_stdin_is_tty() 1 /* assume stdin is a tty */
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ LUA_PROMPT is the default prompt used by stand-alone Lua.
|
|
@@ LUA_PROMPT2 is the default continuation prompt used by stand-alone Lua.
|
|
** CHANGE them if you want different prompts. (You can also change the
|
|
** prompts dynamically, assigning to globals _PROMPT/_PROMPT2.)
|
|
*/
|
|
#define LUA_PROMPT "> "
|
|
#define LUA_PROMPT2 ">> "
|
|
|
|
|
|
/*
|
|
@@ LUA_PROGNAME is the default name for the stand-alone Lua program.
|
|
** CHANGE it if your stand-alone interpreter has a different name and
|
|
** your system is not able to detect that name automatically.
|
|
*/
|
|
#define LUA_PROGNAME "lua"
|
|
|
|
|
|
/*
|
|
@@ LUA_MAXINPUT is the maximum length for an input line in the
|
|
@* stand-alone interpreter.
|
|
** CHANGE it if you need longer lines.
|
|
*/
|
|
#define LUA_MAXINPUT 512
|
|
|
|
|
|
/*
|
|
@@ lua_readline defines how to show a prompt and then read a line from
|
|
@* the standard input.
|
|
@@ lua_saveline defines how to "save" a read line in a "history".
|
|
@@ lua_freeline defines how to free a line read by lua_readline.
|
|
** CHANGE them if you want to improve this functionality (e.g., by using
|
|
** GNU readline and history facilities).
|
|
*/
|
|
#if defined(LUA_USE_READLINE)
|
|
#include <stdio.h>
|
|
#include <readline/readline.h>
|
|
#include <readline/history.h>
|
|
#define lua_readline(L,b,p) ((void)L, ((b)=readline(p)) != NULL)
|
|
#define lua_saveline(L,idx) \
|
|
if (lua_strlen(L,idx) > 0) /* non-empty line? */ \
|
|
add_history(lua_tostring(L, idx)); /* add it to history */
|
|
#define lua_freeline(L,b) ((void)L, free(b))
|
|
#else
|
|
#define lua_readline(L,b,p) \
|
|
((void)L, fputs(p, stdout), fflush(stdout), /* show prompt */ \
|
|
fgets(b, LUA_MAXINPUT, stdin) != NULL) /* get line */
|
|
#define lua_saveline(L,idx) { (void)L; (void)idx; }
|
|
#define lua_freeline(L,b) { (void)L; (void)b; }
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/* }================================================================== */
|
|
|
|
|
|
/*
|
|
@@ LUAI_GCPAUSE defines the default pause between garbage-collector cycles
|
|
@* as a percentage.
|
|
** CHANGE it if you want the GC to run faster or slower (higher values
|
|
** mean larger pauses which mean slower collection.) You can also change
|
|
** this value dynamically.
|
|
*/
|
|
#define LUAI_GCPAUSE 200 /* 200% (wait memory to double before next GC) */
|
|
|
|
|
|
/*
|
|
@@ LUAI_GCMUL defines the default speed of garbage collection relative to
|
|
@* memory allocation as a percentage.
|
|
** CHANGE it if you want to change the granularity of the garbage
|
|
** collection. (Higher values mean coarser collections. 0 represents
|
|
** infinity, where each step performs a full collection.) You can also
|
|
** change this value dynamically.
|
|
*/
|
|
#define LUAI_GCMUL 200 /* GC runs 'twice the speed' of memory allocation */
|
|
|
|
|
|
|
|
/*
|
|
@@ LUA_COMPAT_GETN controls compatibility with old getn behavior.
|
|
** CHANGE it (define it) if you want exact compatibility with the
|
|
** behavior of setn/getn in Lua 5.0.
|
|
*/
|
|
#undef LUA_COMPAT_GETN
|
|
|
|
/*
|
|
@@ LUA_COMPAT_LOADLIB controls compatibility about global loadlib.
|
|
** CHANGE it to undefined as soon as you do not need a global 'loadlib'
|
|
** function (the function is still available as 'package.loadlib').
|
|
*/
|
|
#undef LUA_COMPAT_LOADLIB
|
|
|
|
/*
|
|
@@ LUA_COMPAT_VARARG controls compatibility with old vararg feature.
|
|
** CHANGE it to undefined as soon as your programs use only '...' to
|
|
** access vararg parameters (instead of the old 'arg' table).
|
|
*/
|
|
#define LUA_COMPAT_VARARG
|
|
|
|
/*
|
|
@@ LUA_COMPAT_MOD controls compatibility with old math.mod function.
|
|
** CHANGE it to undefined as soon as your programs use 'math.fmod' or
|
|
** the new '%' operator instead of 'math.mod'.
|
|
*/
|
|
#define LUA_COMPAT_MOD
|
|
|
|
/*
|
|
@@ LUA_COMPAT_LSTR controls compatibility with old long string nesting
|
|
@* facility.
|
|
** CHANGE it to 2 if you want the old behaviour, or undefine it to turn
|
|
** off the advisory error when nesting [[...]].
|
|
*/
|
|
#define LUA_COMPAT_LSTR 1
|
|
|
|
/*
|
|
@@ LUA_COMPAT_GFIND controls compatibility with old 'string.gfind' name.
|
|
** CHANGE it to undefined as soon as you rename 'string.gfind' to
|
|
** 'string.gmatch'.
|
|
*/
|
|
#define LUA_COMPAT_GFIND
|
|
|
|
/*
|
|
@@ LUA_COMPAT_OPENLIB controls compatibility with old 'luaL_openlib'
|
|
@* behavior.
|
|
** CHANGE it to undefined as soon as you replace to 'luaL_register'
|
|
** your uses of 'luaL_openlib'
|
|
*/
|
|
#define LUA_COMPAT_OPENLIB
|
|
|
|
|
|
|
|
/*
|
|
@@ luai_apicheck is the assert macro used by the Lua-C API.
|
|
** 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 is to use assert.h.
|
|
*/
|
|
#if defined(LUA_USE_APICHECK)
|
|
#include <assert.h>
|
|
#define luai_apicheck(L,o) { (void)L; assert(o); }
|
|
#else
|
|
#define luai_apicheck(L,o) { (void)L; }
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ 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
|
|
|
|
|
|
/*
|
|
@@ 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 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. (The definitions in the 'else'
|
|
** part 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
|
|
#else
|
|
/* 16-bit ints */
|
|
#define LUAI_UINT32 unsigned long
|
|
#define LUAI_INT32 long
|
|
#define LUAI_MAXINT32 LONG_MAX
|
|
#define LUAI_UMEM unsigned long
|
|
#define LUAI_MEM long
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ 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.
|
|
*/
|
|
#define LUAI_MAXCALLS 20000
|
|
|
|
|
|
/*
|
|
@@ LUAI_MAXCSTACK limits the number of Lua stack 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 (short) and
|
|
@* syntactical nested non-terminals in a program.
|
|
*/
|
|
#define LUAI_MAXCCALLS 200
|
|
|
|
|
|
/*
|
|
@@ LUAI_MAXVARS is the maximum number of local variables per function
|
|
@* (must be smaller than 250).
|
|
*/
|
|
#define LUAI_MAXVARS 200
|
|
|
|
|
|
/*
|
|
@@ LUAI_MAXUPVALUES is the maximum number of upvalues per function
|
|
@* (must be smaller than 250).
|
|
*/
|
|
#define LUAI_MAXUPVALUES 60
|
|
|
|
|
|
/*
|
|
@@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
|
|
*/
|
|
#define LUAL_BUFFERSIZE BUFSIZ
|
|
|
|
/* }================================================================== */
|
|
|
|
|
|
|
|
|
|
/*
|
|
** {==================================================================
|
|
@@ LUA_NUMBER is the type of numbers in Lua.
|
|
** 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.
|
|
** ===================================================================
|
|
*/
|
|
|
|
#define LUA_NUMBER_DOUBLE
|
|
#define LUA_NUMBER double
|
|
|
|
/*
|
|
@@ LUAI_UACNUMBER is the result of an 'usual argument conversion'
|
|
@* over a number.
|
|
*/
|
|
#define LUAI_UACNUMBER double
|
|
|
|
|
|
/*
|
|
@@ 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))
|
|
#define LUAI_MAXNUMBER2STR 32 /* 16 digits, sign, point, and \0 */
|
|
#define lua_str2number(s,p) strtod((s), (p))
|
|
|
|
|
|
/*
|
|
@@ The luai_num* macros define the primitive operations over numbers.
|
|
*/
|
|
#if defined(LUA_CORE)
|
|
#include <math.h>
|
|
#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_numisnan(a) (!luai_numeq((a), (a)))
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ lua_number2int is a macro to convert lua_Number to int.
|
|
@@ lua_number2integer is a macro to convert lua_Number to lua_Integer.
|
|
** CHANGE them 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 double to int
|
|
** in C is extremely slow, so any alternative is worth trying.
|
|
*/
|
|
|
|
/* On a Pentium, resort to a trick */
|
|
#if defined(LUA_NUMBER_DOUBLE) && !defined(LUA_ANSI) && !defined(__SSE2__) && \
|
|
(defined(__i386) || defined (_M_IX86) || defined(__i386__))
|
|
|
|
/* On a Microsoft compiler, use assembler */
|
|
#if defined(_MSC_VER)
|
|
|
|
#define lua_number2int(i,d) __asm fld d __asm fistp i
|
|
#define lua_number2integer(i,n) lua_number2int(i, n)
|
|
|
|
/* the next trick should work on any Pentium, but sometimes clashes
|
|
with a DirectX idiosyncrasy */
|
|
#else
|
|
|
|
union luai_Cast { double l_d; long l_l; };
|
|
#define lua_number2int(i,d) \
|
|
{ volatile union luai_Cast u; u.l_d = (d) + 6755399441055744.0; (i) = u.l_l; }
|
|
#define lua_number2integer(i,n) lua_number2int(i, n)
|
|
|
|
#endif
|
|
|
|
|
|
/* this option always works, but may be slow */
|
|
#else
|
|
#define lua_number2int(i,d) ((i)=(int)(d))
|
|
#define lua_number2integer(i,d) ((i)=(lua_Integer)(d))
|
|
|
|
#endif
|
|
|
|
/* }================================================================== */
|
|
|
|
|
|
/*
|
|
@@ 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 doubles and they 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; }
|
|
|
|
|
|
/*
|
|
@@ LUAI_THROW/LUAI_TRY define how Lua does exception handling.
|
|
** CHANGE them if you prefer to use longjmp/setjmp even with C++
|
|
** or if want/don't to use _longjmp/_setjmp instead of regular
|
|
** longjmp/setjmp. By default, Lua handles errors with exceptions when
|
|
** compiling as C++ code, with _longjmp/_setjmp when asked to use them,
|
|
** and with longjmp/setjmp otherwise.
|
|
*/
|
|
#if defined(__cplusplus)
|
|
/* C++ exceptions */
|
|
#define LUAI_THROW(L,c) throw(c)
|
|
#define LUAI_TRY(L,c,a) try { a } catch(...) \
|
|
{ if ((c)->status == 0) (c)->status = -1; }
|
|
#define luai_jmpbuf int /* dummy variable */
|
|
|
|
#elif defined(LUA_USE_ULONGJMP)
|
|
/* in Unix, try _longjmp/_setjmp (more efficient) */
|
|
#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
|
|
|
|
#else
|
|
/* default 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
|
|
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ 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_MAXCAPTURES 32
|
|
|
|
|
|
/*
|
|
@@ lua_tmpnam is the function that the OS library uses to create a
|
|
@* temporary name.
|
|
@@ LUA_TMPNAMBUFSIZE is the maximum size of a name created by lua_tmpnam.
|
|
** CHANGE them 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 POSIX is available, where it uses mkstemp.
|
|
*/
|
|
#if defined(loslib_c) || defined(luaall_c)
|
|
|
|
#if defined(LUA_USE_MKSTEMP)
|
|
#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_TMPNAMBUFSIZE L_tmpnam
|
|
#define lua_tmpnam(b,e) { e = (tmpnam(b) == NULL); }
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ lua_popen spawns a new process connected to the current one through
|
|
@* the file streams.
|
|
** CHANGE it if you have a way to implement it in your system.
|
|
*/
|
|
#if defined(LUA_USE_POPEN)
|
|
|
|
#define lua_popen(L,c,m) ((void)L, popen(c,m))
|
|
#define lua_pclose(L,file) ((void)L, (pclose(file) != -1))
|
|
|
|
#elif defined(LUA_WIN)
|
|
|
|
#define lua_popen(L,c,m) ((void)L, _wpopen(c,m))
|
|
#define lua_pclose(L,file) ((void)L, (_pclose(file) != -1))
|
|
|
|
#else
|
|
|
|
#define lua_popen(L,c,m) ((void)((void)c, m), \
|
|
luaL_error(L, LUA_QL("popen") " not supported"), (FILE*)0)
|
|
#define lua_pclose(L,file) ((void)((void)L, file), 0)
|
|
|
|
#endif
|
|
|
|
/*
|
|
@@ LUA_DL_* 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 it has dlopen, so LUA_DL_DLOPEN will work for
|
|
** it. To use dlopen you also need to adapt the src/Makefile (probably
|
|
** adding -ldl to the linker options), so Lua does not select it
|
|
** automatically. (When you change the makefile to add -ldl, you must
|
|
** also add -DLUA_USE_DLOPEN.)
|
|
** If you do not want any kind of dynamic library, undefine all these
|
|
** options.
|
|
** By default, _WIN32 gets LUA_DL_DLL and MAC OS X gets LUA_DL_DYLD.
|
|
*/
|
|
#if defined(LUA_USE_DLOPEN)
|
|
#define LUA_DL_DLOPEN
|
|
#endif
|
|
|
|
#if defined(LUA_WIN)
|
|
#define LUA_DL_DLL
|
|
#endif
|
|
|
|
|
|
/*
|
|
@@ LUAI_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
|
|
|
|
|
|
/*
|
|
@@ luai_userstate* allow user-specific actions on threads.
|
|
** CHANGE them if you defined LUAI_EXTRASPACE and need to do something
|
|
** extra when a thread is created/deleted/resumed/yielded.
|
|
*/
|
|
#define luai_userstateopen(L) ((void)L)
|
|
#define luai_userstateclose(L) ((void)L)
|
|
#define luai_userstatethread(L,L1) ((void)L)
|
|
#define luai_userstatefree(L) ((void)L)
|
|
#define luai_userstateresume(L,n) ((void)L)
|
|
#define luai_userstateyield(L,n) ((void)L)
|
|
|
|
|
|
/*
|
|
@@ LUA_INTFRMLEN is the length modifier for integer conversions
|
|
@* in 'string.format'.
|
|
@@ LUA_INTFRM_T is the integer type correspoding to the previous length
|
|
@* modifier.
|
|
** CHANGE them if your system supports long long or does not support long.
|
|
*/
|
|
|
|
#if defined(LUA_USELONGLONG)
|
|
|
|
#define LUA_INTFRMLEN "ll"
|
|
#define LUA_INTFRM_T long long
|
|
|
|
#else
|
|
|
|
#define LUA_INTFRMLEN "l"
|
|
#define LUA_INTFRM_T long
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* =================================================================== */
|
|
|
|
/*
|
|
** Local configuration. You can use this space to add your redefinitions
|
|
** without modifying the main part of the file.
|
|
*/
|
|
|
|
|
|
|
|
#endif
|
|
|