1564b9ff2SBrooks Davis /* $FreeBSD$ */ 2564b9ff2SBrooks Davis /* 3564b9ff2SBrooks Davis ** $Id: luaconf.h,v 1.259.1.1 2017/04/19 17:29:57 roberto Exp $ 4564b9ff2SBrooks Davis ** Configuration file for Lua 5564b9ff2SBrooks Davis ** See Copyright Notice in lua.h 6564b9ff2SBrooks Davis */ 7564b9ff2SBrooks Davis 8564b9ff2SBrooks Davis 9564b9ff2SBrooks Davis #ifndef luaconf_h 10564b9ff2SBrooks Davis #define luaconf_h 11564b9ff2SBrooks Davis 12564b9ff2SBrooks Davis #include <limits.h> 13564b9ff2SBrooks Davis #include <stddef.h> 14564b9ff2SBrooks Davis 15564b9ff2SBrooks Davis 16564b9ff2SBrooks Davis /* 17564b9ff2SBrooks Davis ** =================================================================== 18564b9ff2SBrooks Davis ** Search for "@@" to find all configurable definitions. 19564b9ff2SBrooks Davis ** =================================================================== 20564b9ff2SBrooks Davis */ 21564b9ff2SBrooks Davis 22564b9ff2SBrooks Davis 23564b9ff2SBrooks Davis /* 24564b9ff2SBrooks Davis ** {==================================================================== 25564b9ff2SBrooks Davis ** System Configuration: macros to adapt (if needed) Lua to some 26564b9ff2SBrooks Davis ** particular platform, for instance compiling it with 32-bit numbers or 27564b9ff2SBrooks Davis ** restricting it to C89. 28564b9ff2SBrooks Davis ** ===================================================================== 29564b9ff2SBrooks Davis */ 30564b9ff2SBrooks Davis 31564b9ff2SBrooks Davis /* 32564b9ff2SBrooks Davis @@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. You 33564b9ff2SBrooks Davis ** can also define LUA_32BITS in the make file, but changing here you 34564b9ff2SBrooks Davis ** ensure that all software connected to Lua will be compiled with the 35564b9ff2SBrooks Davis ** same configuration. 36564b9ff2SBrooks Davis */ 37564b9ff2SBrooks Davis /* #define LUA_32BITS */ 38564b9ff2SBrooks Davis 39564b9ff2SBrooks Davis 40564b9ff2SBrooks Davis /* 41564b9ff2SBrooks Davis @@ LUA_USE_C89 controls the use of non-ISO-C89 features. 42564b9ff2SBrooks Davis ** Define it if you want Lua to avoid the use of a few C99 features 43564b9ff2SBrooks Davis ** or Windows-specific features on Windows. 44564b9ff2SBrooks Davis */ 45564b9ff2SBrooks Davis /* #define LUA_USE_C89 */ 46564b9ff2SBrooks Davis 47564b9ff2SBrooks Davis 48564b9ff2SBrooks Davis /* 49564b9ff2SBrooks Davis ** By default, Lua on Windows use (some) specific Windows features 50564b9ff2SBrooks Davis */ 51564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) && defined(_WIN32) && !defined(_WIN32_WCE) 52564b9ff2SBrooks Davis #define LUA_USE_WINDOWS /* enable goodies for regular Windows */ 53564b9ff2SBrooks Davis #endif 54564b9ff2SBrooks Davis 55564b9ff2SBrooks Davis 56564b9ff2SBrooks Davis #if defined(LUA_USE_WINDOWS) 57564b9ff2SBrooks Davis #define LUA_DL_DLL /* enable support for DLL */ 58564b9ff2SBrooks Davis #define LUA_USE_C89 /* broadly, Windows is C89 */ 59564b9ff2SBrooks Davis #endif 60564b9ff2SBrooks Davis 61564b9ff2SBrooks Davis 62564b9ff2SBrooks Davis #if defined(LUA_USE_LINUX) 63564b9ff2SBrooks Davis #define LUA_USE_POSIX 64564b9ff2SBrooks Davis #define LUA_USE_DLOPEN /* needs an extra library: -ldl */ 65564b9ff2SBrooks Davis #define LUA_USE_READLINE /* needs some extra libraries */ 66564b9ff2SBrooks Davis #endif 67564b9ff2SBrooks Davis 68564b9ff2SBrooks Davis 69564b9ff2SBrooks Davis #if defined(LUA_USE_MACOSX) 70564b9ff2SBrooks Davis #define LUA_USE_POSIX 71564b9ff2SBrooks Davis #define LUA_USE_DLOPEN /* MacOS does not need -ldl */ 72564b9ff2SBrooks Davis #define LUA_USE_READLINE /* needs an extra library: -lreadline */ 73564b9ff2SBrooks Davis #endif 74564b9ff2SBrooks Davis 75564b9ff2SBrooks Davis /* Local modifications: need io.popen */ 76564b9ff2SBrooks Davis #ifdef __FreeBSD__ 77564b9ff2SBrooks Davis #define LUA_USE_POSIX 78564b9ff2SBrooks Davis #endif 79564b9ff2SBrooks Davis 80564b9ff2SBrooks Davis /* 81564b9ff2SBrooks Davis @@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for 82564b9ff2SBrooks Davis ** C89 ('long' and 'double'); Windows always has '__int64', so it does 83564b9ff2SBrooks Davis ** not need to use this case. 84564b9ff2SBrooks Davis */ 85564b9ff2SBrooks Davis #if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS) 86564b9ff2SBrooks Davis #define LUA_C89_NUMBERS 87564b9ff2SBrooks Davis #endif 88564b9ff2SBrooks Davis 89564b9ff2SBrooks Davis 90564b9ff2SBrooks Davis 91564b9ff2SBrooks Davis /* 92564b9ff2SBrooks Davis @@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'. 93564b9ff2SBrooks Davis */ 94564b9ff2SBrooks Davis /* avoid undefined shifts */ 95564b9ff2SBrooks Davis #if ((INT_MAX >> 15) >> 15) >= 1 96564b9ff2SBrooks Davis #define LUAI_BITSINT 32 97564b9ff2SBrooks Davis #else 98564b9ff2SBrooks Davis /* 'int' always must have at least 16 bits */ 99564b9ff2SBrooks Davis #define LUAI_BITSINT 16 100564b9ff2SBrooks Davis #endif 101564b9ff2SBrooks Davis 102564b9ff2SBrooks Davis 103564b9ff2SBrooks Davis /* 104564b9ff2SBrooks Davis @@ LUA_INT_TYPE defines the type for Lua integers. 105564b9ff2SBrooks Davis @@ LUA_FLOAT_TYPE defines the type for Lua floats. 106564b9ff2SBrooks Davis ** Lua should work fine with any mix of these options (if supported 107564b9ff2SBrooks Davis ** by your C compiler). The usual configurations are 64-bit integers 108564b9ff2SBrooks Davis ** and 'double' (the default), 32-bit integers and 'float' (for 109564b9ff2SBrooks Davis ** restricted platforms), and 'long'/'double' (for C compilers not 110564b9ff2SBrooks Davis ** compliant with C99, which may not have support for 'long long'). 111564b9ff2SBrooks Davis */ 112564b9ff2SBrooks Davis 113564b9ff2SBrooks Davis /* predefined options for LUA_INT_TYPE */ 114564b9ff2SBrooks Davis #define LUA_INT_INT 1 115564b9ff2SBrooks Davis #define LUA_INT_LONG 2 116564b9ff2SBrooks Davis #define LUA_INT_LONGLONG 3 117564b9ff2SBrooks Davis 118564b9ff2SBrooks Davis /* predefined options for LUA_FLOAT_TYPE */ 119564b9ff2SBrooks Davis #define LUA_FLOAT_FLOAT 1 120564b9ff2SBrooks Davis #define LUA_FLOAT_DOUBLE 2 121564b9ff2SBrooks Davis #define LUA_FLOAT_LONGDOUBLE 3 122564b9ff2SBrooks Davis 123564b9ff2SBrooks Davis #if defined(LUA_32BITS) /* { */ 124564b9ff2SBrooks Davis /* 125564b9ff2SBrooks Davis ** 32-bit integers and 'float' 126564b9ff2SBrooks Davis */ 127564b9ff2SBrooks Davis #if LUAI_BITSINT >= 32 /* use 'int' if big enough */ 128564b9ff2SBrooks Davis #define LUA_INT_TYPE LUA_INT_INT 129564b9ff2SBrooks Davis #else /* otherwise use 'long' */ 130564b9ff2SBrooks Davis #define LUA_INT_TYPE LUA_INT_LONG 131564b9ff2SBrooks Davis #endif 132564b9ff2SBrooks Davis #define LUA_FLOAT_TYPE LUA_FLOAT_FLOAT 133564b9ff2SBrooks Davis 134564b9ff2SBrooks Davis #elif defined(LUA_C89_NUMBERS) /* }{ */ 135564b9ff2SBrooks Davis /* 136564b9ff2SBrooks Davis ** largest types available for C89 ('long' and 'double') 137564b9ff2SBrooks Davis */ 138564b9ff2SBrooks Davis #define LUA_INT_TYPE LUA_INT_LONG 139564b9ff2SBrooks Davis #define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE 140564b9ff2SBrooks Davis 141564b9ff2SBrooks Davis #endif /* } */ 142564b9ff2SBrooks Davis 143564b9ff2SBrooks Davis 144564b9ff2SBrooks Davis /* 145564b9ff2SBrooks Davis ** default configuration for 64-bit Lua ('long long' and 'double') 146564b9ff2SBrooks Davis */ 147564b9ff2SBrooks Davis #if !defined(LUA_INT_TYPE) 148564b9ff2SBrooks Davis #define LUA_INT_TYPE LUA_INT_LONGLONG 149564b9ff2SBrooks Davis #endif 150564b9ff2SBrooks Davis 151564b9ff2SBrooks Davis #if !defined(LUA_FLOAT_TYPE) 152564b9ff2SBrooks Davis #define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE 153564b9ff2SBrooks Davis #endif 154564b9ff2SBrooks Davis 155564b9ff2SBrooks Davis /* }================================================================== */ 156564b9ff2SBrooks Davis 157564b9ff2SBrooks Davis 158564b9ff2SBrooks Davis 159564b9ff2SBrooks Davis 160564b9ff2SBrooks Davis /* 161564b9ff2SBrooks Davis ** {================================================================== 162564b9ff2SBrooks Davis ** Configuration for Paths. 163564b9ff2SBrooks Davis ** =================================================================== 164564b9ff2SBrooks Davis */ 165564b9ff2SBrooks Davis 166564b9ff2SBrooks Davis /* 167564b9ff2SBrooks Davis ** LUA_PATH_SEP is the character that separates templates in a path. 168564b9ff2SBrooks Davis ** LUA_PATH_MARK is the string that marks the substitution points in a 169564b9ff2SBrooks Davis ** template. 170564b9ff2SBrooks Davis ** LUA_EXEC_DIR in a Windows path is replaced by the executable's 171564b9ff2SBrooks Davis ** directory. 172564b9ff2SBrooks Davis */ 173564b9ff2SBrooks Davis #define LUA_PATH_SEP ";" 174564b9ff2SBrooks Davis #define LUA_PATH_MARK "?" 175564b9ff2SBrooks Davis #define LUA_EXEC_DIR "!" 176564b9ff2SBrooks Davis 177564b9ff2SBrooks Davis 178564b9ff2SBrooks Davis /* 179564b9ff2SBrooks Davis @@ LUA_PATH_DEFAULT is the default path that Lua uses to look for 180564b9ff2SBrooks Davis ** Lua libraries. 181564b9ff2SBrooks Davis @@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for 182564b9ff2SBrooks Davis ** C libraries. 183564b9ff2SBrooks Davis ** CHANGE them if your machine has a non-conventional directory 184564b9ff2SBrooks Davis ** hierarchy or if you want to install your libraries in 185564b9ff2SBrooks Davis ** non-conventional directories. 186564b9ff2SBrooks Davis */ 187564b9ff2SBrooks Davis #define LUA_VDIR LUA_VERSION_MAJOR "." LUA_VERSION_MINOR 188564b9ff2SBrooks Davis #if defined(_WIN32) /* { */ 189564b9ff2SBrooks Davis /* 190564b9ff2SBrooks Davis ** In Windows, any exclamation mark ('!') in the path is replaced by the 191564b9ff2SBrooks Davis ** path of the directory of the executable file of the current process. 192564b9ff2SBrooks Davis */ 193564b9ff2SBrooks Davis #define LUA_LDIR "!\\lua\\" 194564b9ff2SBrooks Davis #define LUA_CDIR "!\\" 195564b9ff2SBrooks Davis #define LUA_SHRDIR "!\\..\\share\\lua\\" LUA_VDIR "\\" 196564b9ff2SBrooks Davis #define LUA_PATH_DEFAULT \ 197564b9ff2SBrooks Davis LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \ 198564b9ff2SBrooks Davis LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua;" \ 199564b9ff2SBrooks Davis LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \ 200564b9ff2SBrooks Davis ".\\?.lua;" ".\\?\\init.lua" 201564b9ff2SBrooks Davis #define LUA_CPATH_DEFAULT \ 202564b9ff2SBrooks Davis LUA_CDIR"?.dll;" \ 203564b9ff2SBrooks Davis LUA_CDIR"..\\lib\\lua\\" LUA_VDIR "\\?.dll;" \ 204564b9ff2SBrooks Davis LUA_CDIR"loadall.dll;" ".\\?.dll" 205564b9ff2SBrooks Davis 206564b9ff2SBrooks Davis #else /* }{ */ 207564b9ff2SBrooks Davis 208*bceabe27SEd Maste #define LUA_ROOT "/usr/" 209*bceabe27SEd Maste #define LUA_LDIR LUA_ROOT "share/flua/" 210*bceabe27SEd Maste #define LUA_CDIR LUA_ROOT "lib/flua/" 211be99f886SEd Maste #if !defined(LUA_PATH_DEFAULT) 212564b9ff2SBrooks Davis #define LUA_PATH_DEFAULT \ 213564b9ff2SBrooks Davis LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua;" \ 214564b9ff2SBrooks Davis LUA_CDIR"?.lua;" LUA_CDIR"?/init.lua;" \ 215564b9ff2SBrooks Davis "./?.lua;" "./?/init.lua" 216be99f886SEd Maste #endif 217be99f886SEd Maste #if !defined(LUA_CPATH_DEFAULT) 218564b9ff2SBrooks Davis #define LUA_CPATH_DEFAULT \ 219564b9ff2SBrooks Davis LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so" 220be99f886SEd Maste #endif 221564b9ff2SBrooks Davis #endif /* } */ 222564b9ff2SBrooks Davis 223564b9ff2SBrooks Davis 224564b9ff2SBrooks Davis /* 225564b9ff2SBrooks Davis @@ LUA_DIRSEP is the directory separator (for submodules). 226564b9ff2SBrooks Davis ** CHANGE it if your machine does not use "/" as the directory separator 227564b9ff2SBrooks Davis ** and is not Windows. (On Windows Lua automatically uses "\".) 228564b9ff2SBrooks Davis */ 229564b9ff2SBrooks Davis #if defined(_WIN32) 230564b9ff2SBrooks Davis #define LUA_DIRSEP "\\" 231564b9ff2SBrooks Davis #else 232564b9ff2SBrooks Davis #define LUA_DIRSEP "/" 233564b9ff2SBrooks Davis #endif 234564b9ff2SBrooks Davis 235564b9ff2SBrooks Davis /* }================================================================== */ 236564b9ff2SBrooks Davis 237564b9ff2SBrooks Davis 238564b9ff2SBrooks Davis /* 239564b9ff2SBrooks Davis ** {================================================================== 240564b9ff2SBrooks Davis ** Marks for exported symbols in the C code 241564b9ff2SBrooks Davis ** =================================================================== 242564b9ff2SBrooks Davis */ 243564b9ff2SBrooks Davis 244564b9ff2SBrooks Davis /* 245564b9ff2SBrooks Davis @@ LUA_API is a mark for all core API functions. 246564b9ff2SBrooks Davis @@ LUALIB_API is a mark for all auxiliary library functions. 247564b9ff2SBrooks Davis @@ LUAMOD_API is a mark for all standard library opening functions. 248564b9ff2SBrooks Davis ** CHANGE them if you need to define those functions in some special way. 249564b9ff2SBrooks Davis ** For instance, if you want to create one Windows DLL with the core and 250564b9ff2SBrooks Davis ** the libraries, you may want to use the following definition (define 251564b9ff2SBrooks Davis ** LUA_BUILD_AS_DLL to get it). 252564b9ff2SBrooks Davis */ 253564b9ff2SBrooks Davis #if defined(LUA_BUILD_AS_DLL) /* { */ 254564b9ff2SBrooks Davis 255564b9ff2SBrooks Davis #if defined(LUA_CORE) || defined(LUA_LIB) /* { */ 256564b9ff2SBrooks Davis #define LUA_API __declspec(dllexport) 257564b9ff2SBrooks Davis #else /* }{ */ 258564b9ff2SBrooks Davis #define LUA_API __declspec(dllimport) 259564b9ff2SBrooks Davis #endif /* } */ 260564b9ff2SBrooks Davis 261564b9ff2SBrooks Davis #else /* }{ */ 262564b9ff2SBrooks Davis 263564b9ff2SBrooks Davis #define LUA_API extern 264564b9ff2SBrooks Davis 265564b9ff2SBrooks Davis #endif /* } */ 266564b9ff2SBrooks Davis 267564b9ff2SBrooks Davis 268564b9ff2SBrooks Davis /* more often than not the libs go together with the core */ 269564b9ff2SBrooks Davis #define LUALIB_API LUA_API 270564b9ff2SBrooks Davis #define LUAMOD_API LUALIB_API 271564b9ff2SBrooks Davis 272564b9ff2SBrooks Davis 273564b9ff2SBrooks Davis /* 274564b9ff2SBrooks Davis @@ LUAI_FUNC is a mark for all extern functions that are not to be 275564b9ff2SBrooks Davis ** exported to outside modules. 276564b9ff2SBrooks Davis @@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables 277564b9ff2SBrooks Davis ** that are not to be exported to outside modules (LUAI_DDEF for 278564b9ff2SBrooks Davis ** definitions and LUAI_DDEC for declarations). 279564b9ff2SBrooks Davis ** CHANGE them if you need to mark them in some special way. Elf/gcc 280564b9ff2SBrooks Davis ** (versions 3.2 and later) mark them as "hidden" to optimize access 281564b9ff2SBrooks Davis ** when Lua is compiled as a shared library. Not all elf targets support 282564b9ff2SBrooks Davis ** this attribute. Unfortunately, gcc does not offer a way to check 283564b9ff2SBrooks Davis ** whether the target offers that support, and those without support 284564b9ff2SBrooks Davis ** give a warning about it. To avoid these warnings, change to the 285564b9ff2SBrooks Davis ** default definition. 286564b9ff2SBrooks Davis */ 287564b9ff2SBrooks Davis #if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \ 288564b9ff2SBrooks Davis defined(__ELF__) /* { */ 289564b9ff2SBrooks Davis #define LUAI_FUNC __attribute__((visibility("hidden"))) extern 290564b9ff2SBrooks Davis #else /* }{ */ 291564b9ff2SBrooks Davis #define LUAI_FUNC extern 292564b9ff2SBrooks Davis #endif /* } */ 293564b9ff2SBrooks Davis 294564b9ff2SBrooks Davis #define LUAI_DDEC LUAI_FUNC 295564b9ff2SBrooks Davis #define LUAI_DDEF /* empty */ 296564b9ff2SBrooks Davis 297564b9ff2SBrooks Davis /* }================================================================== */ 298564b9ff2SBrooks Davis 299564b9ff2SBrooks Davis 300564b9ff2SBrooks Davis /* 301564b9ff2SBrooks Davis ** {================================================================== 302564b9ff2SBrooks Davis ** Compatibility with previous versions 303564b9ff2SBrooks Davis ** =================================================================== 304564b9ff2SBrooks Davis */ 305564b9ff2SBrooks Davis 306564b9ff2SBrooks Davis /* 307564b9ff2SBrooks Davis @@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2. 308564b9ff2SBrooks Davis @@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1. 309564b9ff2SBrooks Davis ** You can define it to get all options, or change specific options 310564b9ff2SBrooks Davis ** to fit your specific needs. 311564b9ff2SBrooks Davis */ 312564b9ff2SBrooks Davis #if defined(LUA_COMPAT_5_2) /* { */ 313564b9ff2SBrooks Davis 314564b9ff2SBrooks Davis /* 315564b9ff2SBrooks Davis @@ LUA_COMPAT_MATHLIB controls the presence of several deprecated 316564b9ff2SBrooks Davis ** functions in the mathematical library. 317564b9ff2SBrooks Davis */ 318564b9ff2SBrooks Davis #define LUA_COMPAT_MATHLIB 319564b9ff2SBrooks Davis 320564b9ff2SBrooks Davis /* 321564b9ff2SBrooks Davis @@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'. 322564b9ff2SBrooks Davis */ 323564b9ff2SBrooks Davis #define LUA_COMPAT_BITLIB 324564b9ff2SBrooks Davis 325564b9ff2SBrooks Davis /* 326564b9ff2SBrooks Davis @@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod. 327564b9ff2SBrooks Davis */ 328564b9ff2SBrooks Davis #define LUA_COMPAT_IPAIRS 329564b9ff2SBrooks Davis 330564b9ff2SBrooks Davis /* 331564b9ff2SBrooks Davis @@ LUA_COMPAT_APIINTCASTS controls the presence of macros for 332564b9ff2SBrooks Davis ** manipulating other integer types (lua_pushunsigned, lua_tounsigned, 333564b9ff2SBrooks Davis ** luaL_checkint, luaL_checklong, etc.) 334564b9ff2SBrooks Davis */ 335564b9ff2SBrooks Davis #define LUA_COMPAT_APIINTCASTS 336564b9ff2SBrooks Davis 337564b9ff2SBrooks Davis #endif /* } */ 338564b9ff2SBrooks Davis 339564b9ff2SBrooks Davis 340564b9ff2SBrooks Davis #if defined(LUA_COMPAT_5_1) /* { */ 341564b9ff2SBrooks Davis 342564b9ff2SBrooks Davis /* Incompatibilities from 5.2 -> 5.3 */ 343564b9ff2SBrooks Davis #define LUA_COMPAT_MATHLIB 344564b9ff2SBrooks Davis #define LUA_COMPAT_APIINTCASTS 345564b9ff2SBrooks Davis 346564b9ff2SBrooks Davis /* 347564b9ff2SBrooks Davis @@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'. 348564b9ff2SBrooks Davis ** You can replace it with 'table.unpack'. 349564b9ff2SBrooks Davis */ 350564b9ff2SBrooks Davis #define LUA_COMPAT_UNPACK 351564b9ff2SBrooks Davis 352564b9ff2SBrooks Davis /* 353564b9ff2SBrooks Davis @@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'. 354564b9ff2SBrooks Davis ** You can replace it with 'package.searchers'. 355564b9ff2SBrooks Davis */ 356564b9ff2SBrooks Davis #define LUA_COMPAT_LOADERS 357564b9ff2SBrooks Davis 358564b9ff2SBrooks Davis /* 359564b9ff2SBrooks Davis @@ macro 'lua_cpcall' emulates deprecated function lua_cpcall. 360564b9ff2SBrooks Davis ** You can call your C function directly (with light C functions). 361564b9ff2SBrooks Davis */ 362564b9ff2SBrooks Davis #define lua_cpcall(L,f,u) \ 363564b9ff2SBrooks Davis (lua_pushcfunction(L, (f)), \ 364564b9ff2SBrooks Davis lua_pushlightuserdata(L,(u)), \ 365564b9ff2SBrooks Davis lua_pcall(L,1,0,0)) 366564b9ff2SBrooks Davis 367564b9ff2SBrooks Davis 368564b9ff2SBrooks Davis /* 369564b9ff2SBrooks Davis @@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library. 370564b9ff2SBrooks Davis ** You can rewrite 'log10(x)' as 'log(x, 10)'. 371564b9ff2SBrooks Davis */ 372564b9ff2SBrooks Davis #define LUA_COMPAT_LOG10 373564b9ff2SBrooks Davis 374564b9ff2SBrooks Davis /* 375564b9ff2SBrooks Davis @@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base 376564b9ff2SBrooks Davis ** library. You can rewrite 'loadstring(s)' as 'load(s)'. 377564b9ff2SBrooks Davis */ 378564b9ff2SBrooks Davis #define LUA_COMPAT_LOADSTRING 379564b9ff2SBrooks Davis 380564b9ff2SBrooks Davis /* 381564b9ff2SBrooks Davis @@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library. 382564b9ff2SBrooks Davis */ 383564b9ff2SBrooks Davis #define LUA_COMPAT_MAXN 384564b9ff2SBrooks Davis 385564b9ff2SBrooks Davis /* 386564b9ff2SBrooks Davis @@ The following macros supply trivial compatibility for some 387564b9ff2SBrooks Davis ** changes in the API. The macros themselves document how to 388564b9ff2SBrooks Davis ** change your code to avoid using them. 389564b9ff2SBrooks Davis */ 390564b9ff2SBrooks Davis #define lua_strlen(L,i) lua_rawlen(L, (i)) 391564b9ff2SBrooks Davis 392564b9ff2SBrooks Davis #define lua_objlen(L,i) lua_rawlen(L, (i)) 393564b9ff2SBrooks Davis 394564b9ff2SBrooks Davis #define lua_equal(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPEQ) 395564b9ff2SBrooks Davis #define lua_lessthan(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPLT) 396564b9ff2SBrooks Davis 397564b9ff2SBrooks Davis /* 398564b9ff2SBrooks Davis @@ LUA_COMPAT_MODULE controls compatibility with previous 399564b9ff2SBrooks Davis ** module functions 'module' (Lua) and 'luaL_register' (C). 400564b9ff2SBrooks Davis */ 401564b9ff2SBrooks Davis #define LUA_COMPAT_MODULE 402564b9ff2SBrooks Davis 403564b9ff2SBrooks Davis #endif /* } */ 404564b9ff2SBrooks Davis 405564b9ff2SBrooks Davis 406564b9ff2SBrooks Davis /* 407564b9ff2SBrooks Davis @@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a 408564b9ff2SBrooks Davis @@ a float mark ('.0'). 409564b9ff2SBrooks Davis ** This macro is not on by default even in compatibility mode, 410564b9ff2SBrooks Davis ** because this is not really an incompatibility. 411564b9ff2SBrooks Davis */ 412564b9ff2SBrooks Davis /* #define LUA_COMPAT_FLOATSTRING */ 413564b9ff2SBrooks Davis 414564b9ff2SBrooks Davis /* }================================================================== */ 415564b9ff2SBrooks Davis 416564b9ff2SBrooks Davis 417564b9ff2SBrooks Davis 418564b9ff2SBrooks Davis /* 419564b9ff2SBrooks Davis ** {================================================================== 420564b9ff2SBrooks Davis ** Configuration for Numbers. 421564b9ff2SBrooks Davis ** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_* 422564b9ff2SBrooks Davis ** satisfy your needs. 423564b9ff2SBrooks Davis ** =================================================================== 424564b9ff2SBrooks Davis */ 425564b9ff2SBrooks Davis 426564b9ff2SBrooks Davis /* 427564b9ff2SBrooks Davis @@ LUA_NUMBER is the floating-point type used by Lua. 428564b9ff2SBrooks Davis @@ LUAI_UACNUMBER is the result of a 'default argument promotion' 429564b9ff2SBrooks Davis @@ over a floating number. 430564b9ff2SBrooks Davis @@ l_mathlim(x) corrects limit name 'x' to the proper float type 431564b9ff2SBrooks Davis ** by prefixing it with one of FLT/DBL/LDBL. 432564b9ff2SBrooks Davis @@ LUA_NUMBER_FRMLEN is the length modifier for writing floats. 433564b9ff2SBrooks Davis @@ LUA_NUMBER_FMT is the format for writing floats. 434564b9ff2SBrooks Davis @@ lua_number2str converts a float to a string. 435564b9ff2SBrooks Davis @@ l_mathop allows the addition of an 'l' or 'f' to all math operations. 436564b9ff2SBrooks Davis @@ l_floor takes the floor of a float. 437564b9ff2SBrooks Davis @@ lua_str2number converts a decimal numeric string to a number. 438564b9ff2SBrooks Davis */ 439564b9ff2SBrooks Davis 440564b9ff2SBrooks Davis 441564b9ff2SBrooks Davis /* The following definitions are good for most cases here */ 442564b9ff2SBrooks Davis 443564b9ff2SBrooks Davis #define l_floor(x) (l_mathop(floor)(x)) 444564b9ff2SBrooks Davis 445564b9ff2SBrooks Davis #define lua_number2str(s,sz,n) \ 446564b9ff2SBrooks Davis l_sprintf((s), sz, LUA_NUMBER_FMT, (LUAI_UACNUMBER)(n)) 447564b9ff2SBrooks Davis 448564b9ff2SBrooks Davis /* 449564b9ff2SBrooks Davis @@ lua_numbertointeger converts a float number to an integer, or 450564b9ff2SBrooks Davis ** returns 0 if float is not within the range of a lua_Integer. 451564b9ff2SBrooks Davis ** (The range comparisons are tricky because of rounding. The tests 452564b9ff2SBrooks Davis ** here assume a two-complement representation, where MININTEGER always 453564b9ff2SBrooks Davis ** has an exact representation as a float; MAXINTEGER may not have one, 454564b9ff2SBrooks Davis ** and therefore its conversion to float may have an ill-defined value.) 455564b9ff2SBrooks Davis */ 456564b9ff2SBrooks Davis #define lua_numbertointeger(n,p) \ 457564b9ff2SBrooks Davis ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \ 458564b9ff2SBrooks Davis (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \ 459564b9ff2SBrooks Davis (*(p) = (LUA_INTEGER)(n), 1)) 460564b9ff2SBrooks Davis 461564b9ff2SBrooks Davis 462564b9ff2SBrooks Davis /* now the variable definitions */ 463564b9ff2SBrooks Davis 464564b9ff2SBrooks Davis #if LUA_FLOAT_TYPE == LUA_FLOAT_FLOAT /* { single float */ 465564b9ff2SBrooks Davis 466564b9ff2SBrooks Davis #define LUA_NUMBER float 467564b9ff2SBrooks Davis 468564b9ff2SBrooks Davis #define l_mathlim(n) (FLT_##n) 469564b9ff2SBrooks Davis 470564b9ff2SBrooks Davis #define LUAI_UACNUMBER double 471564b9ff2SBrooks Davis 472564b9ff2SBrooks Davis #define LUA_NUMBER_FRMLEN "" 473564b9ff2SBrooks Davis #define LUA_NUMBER_FMT "%.7g" 474564b9ff2SBrooks Davis 475564b9ff2SBrooks Davis #define l_mathop(op) op##f 476564b9ff2SBrooks Davis 477564b9ff2SBrooks Davis #define lua_str2number(s,p) strtof((s), (p)) 478564b9ff2SBrooks Davis 479564b9ff2SBrooks Davis 480564b9ff2SBrooks Davis #elif LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE /* }{ long double */ 481564b9ff2SBrooks Davis 482564b9ff2SBrooks Davis #define LUA_NUMBER long double 483564b9ff2SBrooks Davis 484564b9ff2SBrooks Davis #define l_mathlim(n) (LDBL_##n) 485564b9ff2SBrooks Davis 486564b9ff2SBrooks Davis #define LUAI_UACNUMBER long double 487564b9ff2SBrooks Davis 488564b9ff2SBrooks Davis #define LUA_NUMBER_FRMLEN "L" 489564b9ff2SBrooks Davis #define LUA_NUMBER_FMT "%.19Lg" 490564b9ff2SBrooks Davis 491564b9ff2SBrooks Davis #define l_mathop(op) op##l 492564b9ff2SBrooks Davis 493564b9ff2SBrooks Davis #define lua_str2number(s,p) strtold((s), (p)) 494564b9ff2SBrooks Davis 495564b9ff2SBrooks Davis #elif LUA_FLOAT_TYPE == LUA_FLOAT_DOUBLE /* }{ double */ 496564b9ff2SBrooks Davis 497564b9ff2SBrooks Davis #define LUA_NUMBER double 498564b9ff2SBrooks Davis 499564b9ff2SBrooks Davis #define l_mathlim(n) (DBL_##n) 500564b9ff2SBrooks Davis 501564b9ff2SBrooks Davis #define LUAI_UACNUMBER double 502564b9ff2SBrooks Davis 503564b9ff2SBrooks Davis #define LUA_NUMBER_FRMLEN "" 504564b9ff2SBrooks Davis #define LUA_NUMBER_FMT "%.14g" 505564b9ff2SBrooks Davis 506564b9ff2SBrooks Davis #define l_mathop(op) op 507564b9ff2SBrooks Davis 508564b9ff2SBrooks Davis #define lua_str2number(s,p) strtod((s), (p)) 509564b9ff2SBrooks Davis 510564b9ff2SBrooks Davis #else /* }{ */ 511564b9ff2SBrooks Davis 512564b9ff2SBrooks Davis #error "numeric float type not defined" 513564b9ff2SBrooks Davis 514564b9ff2SBrooks Davis #endif /* } */ 515564b9ff2SBrooks Davis 516564b9ff2SBrooks Davis 517564b9ff2SBrooks Davis 518564b9ff2SBrooks Davis /* 519564b9ff2SBrooks Davis @@ LUA_INTEGER is the integer type used by Lua. 520564b9ff2SBrooks Davis ** 521564b9ff2SBrooks Davis @@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER. 522564b9ff2SBrooks Davis ** 523564b9ff2SBrooks Davis @@ LUAI_UACINT is the result of a 'default argument promotion' 524564b9ff2SBrooks Davis @@ over a lUA_INTEGER. 525564b9ff2SBrooks Davis @@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers. 526564b9ff2SBrooks Davis @@ LUA_INTEGER_FMT is the format for writing integers. 527564b9ff2SBrooks Davis @@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER. 528564b9ff2SBrooks Davis @@ LUA_MININTEGER is the minimum value for a LUA_INTEGER. 529564b9ff2SBrooks Davis @@ lua_integer2str converts an integer to a string. 530564b9ff2SBrooks Davis */ 531564b9ff2SBrooks Davis 532564b9ff2SBrooks Davis 533564b9ff2SBrooks Davis /* The following definitions are good for most cases here */ 534564b9ff2SBrooks Davis 535564b9ff2SBrooks Davis #define LUA_INTEGER_FMT "%" LUA_INTEGER_FRMLEN "d" 536564b9ff2SBrooks Davis 537564b9ff2SBrooks Davis #define LUAI_UACINT LUA_INTEGER 538564b9ff2SBrooks Davis 539564b9ff2SBrooks Davis #define lua_integer2str(s,sz,n) \ 540564b9ff2SBrooks Davis l_sprintf((s), sz, LUA_INTEGER_FMT, (LUAI_UACINT)(n)) 541564b9ff2SBrooks Davis 542564b9ff2SBrooks Davis /* 543564b9ff2SBrooks Davis ** use LUAI_UACINT here to avoid problems with promotions (which 544564b9ff2SBrooks Davis ** can turn a comparison between unsigneds into a signed comparison) 545564b9ff2SBrooks Davis */ 546564b9ff2SBrooks Davis #define LUA_UNSIGNED unsigned LUAI_UACINT 547564b9ff2SBrooks Davis 548564b9ff2SBrooks Davis 549564b9ff2SBrooks Davis /* now the variable definitions */ 550564b9ff2SBrooks Davis 551564b9ff2SBrooks Davis #if LUA_INT_TYPE == LUA_INT_INT /* { int */ 552564b9ff2SBrooks Davis 553564b9ff2SBrooks Davis #define LUA_INTEGER int 554564b9ff2SBrooks Davis #define LUA_INTEGER_FRMLEN "" 555564b9ff2SBrooks Davis 556564b9ff2SBrooks Davis #define LUA_MAXINTEGER INT_MAX 557564b9ff2SBrooks Davis #define LUA_MININTEGER INT_MIN 558564b9ff2SBrooks Davis 559564b9ff2SBrooks Davis #elif LUA_INT_TYPE == LUA_INT_LONG /* }{ long */ 560564b9ff2SBrooks Davis 561564b9ff2SBrooks Davis #define LUA_INTEGER long 562564b9ff2SBrooks Davis #define LUA_INTEGER_FRMLEN "l" 563564b9ff2SBrooks Davis 564564b9ff2SBrooks Davis #define LUA_MAXINTEGER LONG_MAX 565564b9ff2SBrooks Davis #define LUA_MININTEGER LONG_MIN 566564b9ff2SBrooks Davis 567564b9ff2SBrooks Davis #elif LUA_INT_TYPE == LUA_INT_LONGLONG /* }{ long long */ 568564b9ff2SBrooks Davis 569564b9ff2SBrooks Davis /* use presence of macro LLONG_MAX as proxy for C99 compliance */ 570564b9ff2SBrooks Davis #if defined(LLONG_MAX) /* { */ 571564b9ff2SBrooks Davis /* use ISO C99 stuff */ 572564b9ff2SBrooks Davis 573564b9ff2SBrooks Davis #define LUA_INTEGER long long 574564b9ff2SBrooks Davis #define LUA_INTEGER_FRMLEN "ll" 575564b9ff2SBrooks Davis 576564b9ff2SBrooks Davis #define LUA_MAXINTEGER LLONG_MAX 577564b9ff2SBrooks Davis #define LUA_MININTEGER LLONG_MIN 578564b9ff2SBrooks Davis 579564b9ff2SBrooks Davis #elif defined(LUA_USE_WINDOWS) /* }{ */ 580564b9ff2SBrooks Davis /* in Windows, can use specific Windows types */ 581564b9ff2SBrooks Davis 582564b9ff2SBrooks Davis #define LUA_INTEGER __int64 583564b9ff2SBrooks Davis #define LUA_INTEGER_FRMLEN "I64" 584564b9ff2SBrooks Davis 585564b9ff2SBrooks Davis #define LUA_MAXINTEGER _I64_MAX 586564b9ff2SBrooks Davis #define LUA_MININTEGER _I64_MIN 587564b9ff2SBrooks Davis 588564b9ff2SBrooks Davis #else /* }{ */ 589564b9ff2SBrooks Davis 590564b9ff2SBrooks Davis #error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \ 591564b9ff2SBrooks Davis or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)" 592564b9ff2SBrooks Davis 593564b9ff2SBrooks Davis #endif /* } */ 594564b9ff2SBrooks Davis 595564b9ff2SBrooks Davis #else /* }{ */ 596564b9ff2SBrooks Davis 597564b9ff2SBrooks Davis #error "numeric integer type not defined" 598564b9ff2SBrooks Davis 599564b9ff2SBrooks Davis #endif /* } */ 600564b9ff2SBrooks Davis 601564b9ff2SBrooks Davis /* }================================================================== */ 602564b9ff2SBrooks Davis 603564b9ff2SBrooks Davis 604564b9ff2SBrooks Davis /* 605564b9ff2SBrooks Davis ** {================================================================== 606564b9ff2SBrooks Davis ** Dependencies with C99 and other C details 607564b9ff2SBrooks Davis ** =================================================================== 608564b9ff2SBrooks Davis */ 609564b9ff2SBrooks Davis 610564b9ff2SBrooks Davis /* 611564b9ff2SBrooks Davis @@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89. 612564b9ff2SBrooks Davis ** (All uses in Lua have only one format item.) 613564b9ff2SBrooks Davis */ 614564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) 615564b9ff2SBrooks Davis #define l_sprintf(s,sz,f,i) snprintf(s,sz,f,i) 616564b9ff2SBrooks Davis #else 617564b9ff2SBrooks Davis #define l_sprintf(s,sz,f,i) ((void)(sz), sprintf(s,f,i)) 618564b9ff2SBrooks Davis #endif 619564b9ff2SBrooks Davis 620564b9ff2SBrooks Davis 621564b9ff2SBrooks Davis /* 622564b9ff2SBrooks Davis @@ lua_strx2number converts an hexadecimal numeric string to a number. 623564b9ff2SBrooks Davis ** In C99, 'strtod' does that conversion. Otherwise, you can 624564b9ff2SBrooks Davis ** leave 'lua_strx2number' undefined and Lua will provide its own 625564b9ff2SBrooks Davis ** implementation. 626564b9ff2SBrooks Davis */ 627564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) 628564b9ff2SBrooks Davis #define lua_strx2number(s,p) lua_str2number(s,p) 629564b9ff2SBrooks Davis #endif 630564b9ff2SBrooks Davis 631564b9ff2SBrooks Davis 632564b9ff2SBrooks Davis /* 633564b9ff2SBrooks Davis @@ lua_pointer2str converts a pointer to a readable string in a 634564b9ff2SBrooks Davis ** non-specified way. 635564b9ff2SBrooks Davis */ 636564b9ff2SBrooks Davis #define lua_pointer2str(buff,sz,p) l_sprintf(buff,sz,"%p",p) 637564b9ff2SBrooks Davis 638564b9ff2SBrooks Davis 639564b9ff2SBrooks Davis /* 640564b9ff2SBrooks Davis @@ lua_number2strx converts a float to an hexadecimal numeric string. 641564b9ff2SBrooks Davis ** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that. 642564b9ff2SBrooks Davis ** Otherwise, you can leave 'lua_number2strx' undefined and Lua will 643564b9ff2SBrooks Davis ** provide its own implementation. 644564b9ff2SBrooks Davis */ 645564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) 646564b9ff2SBrooks Davis #define lua_number2strx(L,b,sz,f,n) \ 647564b9ff2SBrooks Davis ((void)L, l_sprintf(b,sz,f,(LUAI_UACNUMBER)(n))) 648564b9ff2SBrooks Davis #endif 649564b9ff2SBrooks Davis 650564b9ff2SBrooks Davis 651564b9ff2SBrooks Davis /* 652564b9ff2SBrooks Davis ** 'strtof' and 'opf' variants for math functions are not valid in 653564b9ff2SBrooks Davis ** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the 654564b9ff2SBrooks Davis ** availability of these variants. ('math.h' is already included in 655564b9ff2SBrooks Davis ** all files that use these macros.) 656564b9ff2SBrooks Davis */ 657564b9ff2SBrooks Davis #if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF)) 658564b9ff2SBrooks Davis #undef l_mathop /* variants not available */ 659564b9ff2SBrooks Davis #undef lua_str2number 660564b9ff2SBrooks Davis #define l_mathop(op) (lua_Number)op /* no variant */ 661564b9ff2SBrooks Davis #define lua_str2number(s,p) ((lua_Number)strtod((s), (p))) 662564b9ff2SBrooks Davis #endif 663564b9ff2SBrooks Davis 664564b9ff2SBrooks Davis 665564b9ff2SBrooks Davis /* 666564b9ff2SBrooks Davis @@ LUA_KCONTEXT is the type of the context ('ctx') for continuation 667564b9ff2SBrooks Davis ** functions. It must be a numerical type; Lua will use 'intptr_t' if 668564b9ff2SBrooks Davis ** available, otherwise it will use 'ptrdiff_t' (the nearest thing to 669564b9ff2SBrooks Davis ** 'intptr_t' in C89) 670564b9ff2SBrooks Davis */ 671564b9ff2SBrooks Davis #define LUA_KCONTEXT ptrdiff_t 672564b9ff2SBrooks Davis 673564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \ 674564b9ff2SBrooks Davis __STDC_VERSION__ >= 199901L 675564b9ff2SBrooks Davis #include <stdint.h> 676564b9ff2SBrooks Davis #if defined(INTPTR_MAX) /* even in C99 this type is optional */ 677564b9ff2SBrooks Davis #undef LUA_KCONTEXT 678564b9ff2SBrooks Davis #define LUA_KCONTEXT intptr_t 679564b9ff2SBrooks Davis #endif 680564b9ff2SBrooks Davis #endif 681564b9ff2SBrooks Davis 682564b9ff2SBrooks Davis 683564b9ff2SBrooks Davis /* 684564b9ff2SBrooks Davis @@ lua_getlocaledecpoint gets the locale "radix character" (decimal point). 685564b9ff2SBrooks Davis ** Change that if you do not want to use C locales. (Code using this 686564b9ff2SBrooks Davis ** macro must include header 'locale.h'.) 687564b9ff2SBrooks Davis */ 688564b9ff2SBrooks Davis #if !defined(lua_getlocaledecpoint) 689564b9ff2SBrooks Davis #define lua_getlocaledecpoint() (localeconv()->decimal_point[0]) 690564b9ff2SBrooks Davis #endif 691564b9ff2SBrooks Davis 692564b9ff2SBrooks Davis /* }================================================================== */ 693564b9ff2SBrooks Davis 694564b9ff2SBrooks Davis 695564b9ff2SBrooks Davis /* 696564b9ff2SBrooks Davis ** {================================================================== 697564b9ff2SBrooks Davis ** Language Variations 698564b9ff2SBrooks Davis ** ===================================================================== 699564b9ff2SBrooks Davis */ 700564b9ff2SBrooks Davis 701564b9ff2SBrooks Davis /* 702564b9ff2SBrooks Davis @@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some 703564b9ff2SBrooks Davis ** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from 704564b9ff2SBrooks Davis ** numbers to strings. Define LUA_NOCVTS2N to turn off automatic 705564b9ff2SBrooks Davis ** coercion from strings to numbers. 706564b9ff2SBrooks Davis */ 707564b9ff2SBrooks Davis /* #define LUA_NOCVTN2S */ 708564b9ff2SBrooks Davis /* #define LUA_NOCVTS2N */ 709564b9ff2SBrooks Davis 710564b9ff2SBrooks Davis 711564b9ff2SBrooks Davis /* 712564b9ff2SBrooks Davis @@ LUA_USE_APICHECK turns on several consistency checks on the C API. 713564b9ff2SBrooks Davis ** Define it as a help when debugging C code. 714564b9ff2SBrooks Davis */ 715564b9ff2SBrooks Davis #if defined(LUA_USE_APICHECK) 716564b9ff2SBrooks Davis #include <assert.h> 717564b9ff2SBrooks Davis #define luai_apicheck(l,e) assert(e) 718564b9ff2SBrooks Davis #endif 719564b9ff2SBrooks Davis 720564b9ff2SBrooks Davis /* }================================================================== */ 721564b9ff2SBrooks Davis 722564b9ff2SBrooks Davis 723564b9ff2SBrooks Davis /* 724564b9ff2SBrooks Davis ** {================================================================== 725564b9ff2SBrooks Davis ** Macros that affect the API and must be stable (that is, must be the 726564b9ff2SBrooks Davis ** same when you compile Lua and when you compile code that links to 727564b9ff2SBrooks Davis ** Lua). You probably do not want/need to change them. 728564b9ff2SBrooks Davis ** ===================================================================== 729564b9ff2SBrooks Davis */ 730564b9ff2SBrooks Davis 731564b9ff2SBrooks Davis /* 732564b9ff2SBrooks Davis @@ LUAI_MAXSTACK limits the size of the Lua stack. 733564b9ff2SBrooks Davis ** CHANGE it if you need a different limit. This limit is arbitrary; 734564b9ff2SBrooks Davis ** its only purpose is to stop Lua from consuming unlimited stack 735564b9ff2SBrooks Davis ** space (and to reserve some numbers for pseudo-indices). 736564b9ff2SBrooks Davis */ 737564b9ff2SBrooks Davis #if LUAI_BITSINT >= 32 738564b9ff2SBrooks Davis #define LUAI_MAXSTACK 1000000 739564b9ff2SBrooks Davis #else 740564b9ff2SBrooks Davis #define LUAI_MAXSTACK 15000 741564b9ff2SBrooks Davis #endif 742564b9ff2SBrooks Davis 743564b9ff2SBrooks Davis 744564b9ff2SBrooks Davis /* 745564b9ff2SBrooks Davis @@ LUA_EXTRASPACE defines the size of a raw memory area associated with 746564b9ff2SBrooks Davis ** a Lua state with very fast access. 747564b9ff2SBrooks Davis ** CHANGE it if you need a different size. 748564b9ff2SBrooks Davis */ 749564b9ff2SBrooks Davis #define LUA_EXTRASPACE (sizeof(void *)) 750564b9ff2SBrooks Davis 751564b9ff2SBrooks Davis 752564b9ff2SBrooks Davis /* 753564b9ff2SBrooks Davis @@ LUA_IDSIZE gives the maximum size for the description of the source 754564b9ff2SBrooks Davis @@ of a function in debug information. 755564b9ff2SBrooks Davis ** CHANGE it if you want a different size. 756564b9ff2SBrooks Davis */ 757564b9ff2SBrooks Davis #define LUA_IDSIZE 60 758564b9ff2SBrooks Davis 759564b9ff2SBrooks Davis 760564b9ff2SBrooks Davis /* 761564b9ff2SBrooks Davis @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system. 762564b9ff2SBrooks Davis ** CHANGE it if it uses too much C-stack space. (For long double, 763564b9ff2SBrooks Davis ** 'string.format("%.99f", -1e4932)' needs 5034 bytes, so a 764564b9ff2SBrooks Davis ** smaller buffer would force a memory allocation for each call to 765564b9ff2SBrooks Davis ** 'string.format'.) 766564b9ff2SBrooks Davis */ 767564b9ff2SBrooks Davis #if LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE 768564b9ff2SBrooks Davis #define LUAL_BUFFERSIZE 8192 769564b9ff2SBrooks Davis #else 770564b9ff2SBrooks Davis #define LUAL_BUFFERSIZE ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer))) 771564b9ff2SBrooks Davis #endif 772564b9ff2SBrooks Davis 773564b9ff2SBrooks Davis /* }================================================================== */ 774564b9ff2SBrooks Davis 775564b9ff2SBrooks Davis 776564b9ff2SBrooks Davis /* 777564b9ff2SBrooks Davis @@ LUA_QL describes how error messages quote program elements. 778564b9ff2SBrooks Davis ** Lua does not use these macros anymore; they are here for 779564b9ff2SBrooks Davis ** compatibility only. 780564b9ff2SBrooks Davis */ 781564b9ff2SBrooks Davis #define LUA_QL(x) "'" x "'" 782564b9ff2SBrooks Davis #define LUA_QS LUA_QL("%s") 783564b9ff2SBrooks Davis 784564b9ff2SBrooks Davis 785564b9ff2SBrooks Davis 786564b9ff2SBrooks Davis 787564b9ff2SBrooks Davis /* =================================================================== */ 788564b9ff2SBrooks Davis 789564b9ff2SBrooks Davis /* 790564b9ff2SBrooks Davis ** Local configuration. You can use this space to add your redefinitions 791564b9ff2SBrooks Davis ** without modifying the main part of the file. 792564b9ff2SBrooks Davis */ 793564b9ff2SBrooks Davis 794564b9ff2SBrooks Davis 795564b9ff2SBrooks Davis 796564b9ff2SBrooks Davis 797564b9ff2SBrooks Davis 798564b9ff2SBrooks Davis #endif 799564b9ff2SBrooks Davis 800