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 78*c2a2b4f3SKyle Evans #ifndef BOOTSTRAPPING 793bd84195SEd Maste #define LUA_USE_DLOPEN 80564b9ff2SBrooks Davis #endif 81*c2a2b4f3SKyle Evans #endif 82564b9ff2SBrooks Davis 83564b9ff2SBrooks Davis /* 84564b9ff2SBrooks Davis @@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for 85564b9ff2SBrooks Davis ** C89 ('long' and 'double'); Windows always has '__int64', so it does 86564b9ff2SBrooks Davis ** not need to use this case. 87564b9ff2SBrooks Davis */ 88564b9ff2SBrooks Davis #if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS) 89564b9ff2SBrooks Davis #define LUA_C89_NUMBERS 90564b9ff2SBrooks Davis #endif 91564b9ff2SBrooks Davis 92564b9ff2SBrooks Davis 93564b9ff2SBrooks Davis 94564b9ff2SBrooks Davis /* 95564b9ff2SBrooks Davis @@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'. 96564b9ff2SBrooks Davis */ 97564b9ff2SBrooks Davis /* avoid undefined shifts */ 98564b9ff2SBrooks Davis #if ((INT_MAX >> 15) >> 15) >= 1 99564b9ff2SBrooks Davis #define LUAI_BITSINT 32 100564b9ff2SBrooks Davis #else 101564b9ff2SBrooks Davis /* 'int' always must have at least 16 bits */ 102564b9ff2SBrooks Davis #define LUAI_BITSINT 16 103564b9ff2SBrooks Davis #endif 104564b9ff2SBrooks Davis 105564b9ff2SBrooks Davis 106564b9ff2SBrooks Davis /* 107564b9ff2SBrooks Davis @@ LUA_INT_TYPE defines the type for Lua integers. 108564b9ff2SBrooks Davis @@ LUA_FLOAT_TYPE defines the type for Lua floats. 109564b9ff2SBrooks Davis ** Lua should work fine with any mix of these options (if supported 110564b9ff2SBrooks Davis ** by your C compiler). The usual configurations are 64-bit integers 111564b9ff2SBrooks Davis ** and 'double' (the default), 32-bit integers and 'float' (for 112564b9ff2SBrooks Davis ** restricted platforms), and 'long'/'double' (for C compilers not 113564b9ff2SBrooks Davis ** compliant with C99, which may not have support for 'long long'). 114564b9ff2SBrooks Davis */ 115564b9ff2SBrooks Davis 116564b9ff2SBrooks Davis /* predefined options for LUA_INT_TYPE */ 117564b9ff2SBrooks Davis #define LUA_INT_INT 1 118564b9ff2SBrooks Davis #define LUA_INT_LONG 2 119564b9ff2SBrooks Davis #define LUA_INT_LONGLONG 3 120564b9ff2SBrooks Davis 121564b9ff2SBrooks Davis /* predefined options for LUA_FLOAT_TYPE */ 122564b9ff2SBrooks Davis #define LUA_FLOAT_FLOAT 1 123564b9ff2SBrooks Davis #define LUA_FLOAT_DOUBLE 2 124564b9ff2SBrooks Davis #define LUA_FLOAT_LONGDOUBLE 3 125564b9ff2SBrooks Davis 126564b9ff2SBrooks Davis #if defined(LUA_32BITS) /* { */ 127564b9ff2SBrooks Davis /* 128564b9ff2SBrooks Davis ** 32-bit integers and 'float' 129564b9ff2SBrooks Davis */ 130564b9ff2SBrooks Davis #if LUAI_BITSINT >= 32 /* use 'int' if big enough */ 131564b9ff2SBrooks Davis #define LUA_INT_TYPE LUA_INT_INT 132564b9ff2SBrooks Davis #else /* otherwise use 'long' */ 133564b9ff2SBrooks Davis #define LUA_INT_TYPE LUA_INT_LONG 134564b9ff2SBrooks Davis #endif 135564b9ff2SBrooks Davis #define LUA_FLOAT_TYPE LUA_FLOAT_FLOAT 136564b9ff2SBrooks Davis 137564b9ff2SBrooks Davis #elif defined(LUA_C89_NUMBERS) /* }{ */ 138564b9ff2SBrooks Davis /* 139564b9ff2SBrooks Davis ** largest types available for C89 ('long' and 'double') 140564b9ff2SBrooks Davis */ 141564b9ff2SBrooks Davis #define LUA_INT_TYPE LUA_INT_LONG 142564b9ff2SBrooks Davis #define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE 143564b9ff2SBrooks Davis 144564b9ff2SBrooks Davis #endif /* } */ 145564b9ff2SBrooks Davis 146564b9ff2SBrooks Davis 147564b9ff2SBrooks Davis /* 148564b9ff2SBrooks Davis ** default configuration for 64-bit Lua ('long long' and 'double') 149564b9ff2SBrooks Davis */ 150564b9ff2SBrooks Davis #if !defined(LUA_INT_TYPE) 151564b9ff2SBrooks Davis #define LUA_INT_TYPE LUA_INT_LONGLONG 152564b9ff2SBrooks Davis #endif 153564b9ff2SBrooks Davis 154564b9ff2SBrooks Davis #if !defined(LUA_FLOAT_TYPE) 155564b9ff2SBrooks Davis #define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE 156564b9ff2SBrooks Davis #endif 157564b9ff2SBrooks Davis 158564b9ff2SBrooks Davis /* }================================================================== */ 159564b9ff2SBrooks Davis 160564b9ff2SBrooks Davis 161564b9ff2SBrooks Davis 162564b9ff2SBrooks Davis 163564b9ff2SBrooks Davis /* 164564b9ff2SBrooks Davis ** {================================================================== 165564b9ff2SBrooks Davis ** Configuration for Paths. 166564b9ff2SBrooks Davis ** =================================================================== 167564b9ff2SBrooks Davis */ 168564b9ff2SBrooks Davis 169564b9ff2SBrooks Davis /* 170564b9ff2SBrooks Davis ** LUA_PATH_SEP is the character that separates templates in a path. 171564b9ff2SBrooks Davis ** LUA_PATH_MARK is the string that marks the substitution points in a 172564b9ff2SBrooks Davis ** template. 173564b9ff2SBrooks Davis ** LUA_EXEC_DIR in a Windows path is replaced by the executable's 174564b9ff2SBrooks Davis ** directory. 175564b9ff2SBrooks Davis */ 176564b9ff2SBrooks Davis #define LUA_PATH_SEP ";" 177564b9ff2SBrooks Davis #define LUA_PATH_MARK "?" 178564b9ff2SBrooks Davis #define LUA_EXEC_DIR "!" 179564b9ff2SBrooks Davis 180564b9ff2SBrooks Davis 181564b9ff2SBrooks Davis /* 182564b9ff2SBrooks Davis @@ LUA_PATH_DEFAULT is the default path that Lua uses to look for 183564b9ff2SBrooks Davis ** Lua libraries. 184564b9ff2SBrooks Davis @@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for 185564b9ff2SBrooks Davis ** C libraries. 186564b9ff2SBrooks Davis ** CHANGE them if your machine has a non-conventional directory 187564b9ff2SBrooks Davis ** hierarchy or if you want to install your libraries in 188564b9ff2SBrooks Davis ** non-conventional directories. 189564b9ff2SBrooks Davis */ 190564b9ff2SBrooks Davis #define LUA_VDIR LUA_VERSION_MAJOR "." LUA_VERSION_MINOR 191564b9ff2SBrooks Davis #if defined(_WIN32) /* { */ 192564b9ff2SBrooks Davis /* 193564b9ff2SBrooks Davis ** In Windows, any exclamation mark ('!') in the path is replaced by the 194564b9ff2SBrooks Davis ** path of the directory of the executable file of the current process. 195564b9ff2SBrooks Davis */ 196564b9ff2SBrooks Davis #define LUA_LDIR "!\\lua\\" 197564b9ff2SBrooks Davis #define LUA_CDIR "!\\" 198564b9ff2SBrooks Davis #define LUA_SHRDIR "!\\..\\share\\lua\\" LUA_VDIR "\\" 199564b9ff2SBrooks Davis #define LUA_PATH_DEFAULT \ 200564b9ff2SBrooks Davis LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \ 201564b9ff2SBrooks Davis LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua;" \ 202564b9ff2SBrooks Davis LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \ 203564b9ff2SBrooks Davis ".\\?.lua;" ".\\?\\init.lua" 204564b9ff2SBrooks Davis #define LUA_CPATH_DEFAULT \ 205564b9ff2SBrooks Davis LUA_CDIR"?.dll;" \ 206564b9ff2SBrooks Davis LUA_CDIR"..\\lib\\lua\\" LUA_VDIR "\\?.dll;" \ 207564b9ff2SBrooks Davis LUA_CDIR"loadall.dll;" ".\\?.dll" 208564b9ff2SBrooks Davis 209564b9ff2SBrooks Davis #else /* }{ */ 210564b9ff2SBrooks Davis 211bceabe27SEd Maste #define LUA_ROOT "/usr/" 212bceabe27SEd Maste #define LUA_LDIR LUA_ROOT "share/flua/" 213bceabe27SEd Maste #define LUA_CDIR LUA_ROOT "lib/flua/" 214be99f886SEd Maste #if !defined(LUA_PATH_DEFAULT) 215564b9ff2SBrooks Davis #define LUA_PATH_DEFAULT \ 216564b9ff2SBrooks Davis LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua;" \ 217564b9ff2SBrooks Davis LUA_CDIR"?.lua;" LUA_CDIR"?/init.lua;" \ 218564b9ff2SBrooks Davis "./?.lua;" "./?/init.lua" 219be99f886SEd Maste #endif 220be99f886SEd Maste #if !defined(LUA_CPATH_DEFAULT) 221564b9ff2SBrooks Davis #define LUA_CPATH_DEFAULT \ 222564b9ff2SBrooks Davis LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so" 223be99f886SEd Maste #endif 224564b9ff2SBrooks Davis #endif /* } */ 225564b9ff2SBrooks Davis 226564b9ff2SBrooks Davis 227564b9ff2SBrooks Davis /* 228564b9ff2SBrooks Davis @@ LUA_DIRSEP is the directory separator (for submodules). 229564b9ff2SBrooks Davis ** CHANGE it if your machine does not use "/" as the directory separator 230564b9ff2SBrooks Davis ** and is not Windows. (On Windows Lua automatically uses "\".) 231564b9ff2SBrooks Davis */ 232564b9ff2SBrooks Davis #if defined(_WIN32) 233564b9ff2SBrooks Davis #define LUA_DIRSEP "\\" 234564b9ff2SBrooks Davis #else 235564b9ff2SBrooks Davis #define LUA_DIRSEP "/" 236564b9ff2SBrooks Davis #endif 237564b9ff2SBrooks Davis 238564b9ff2SBrooks Davis /* }================================================================== */ 239564b9ff2SBrooks Davis 240564b9ff2SBrooks Davis 241564b9ff2SBrooks Davis /* 242564b9ff2SBrooks Davis ** {================================================================== 243564b9ff2SBrooks Davis ** Marks for exported symbols in the C code 244564b9ff2SBrooks Davis ** =================================================================== 245564b9ff2SBrooks Davis */ 246564b9ff2SBrooks Davis 247564b9ff2SBrooks Davis /* 248564b9ff2SBrooks Davis @@ LUA_API is a mark for all core API functions. 249564b9ff2SBrooks Davis @@ LUALIB_API is a mark for all auxiliary library functions. 250564b9ff2SBrooks Davis @@ LUAMOD_API is a mark for all standard library opening functions. 251564b9ff2SBrooks Davis ** CHANGE them if you need to define those functions in some special way. 252564b9ff2SBrooks Davis ** For instance, if you want to create one Windows DLL with the core and 253564b9ff2SBrooks Davis ** the libraries, you may want to use the following definition (define 254564b9ff2SBrooks Davis ** LUA_BUILD_AS_DLL to get it). 255564b9ff2SBrooks Davis */ 256564b9ff2SBrooks Davis #if defined(LUA_BUILD_AS_DLL) /* { */ 257564b9ff2SBrooks Davis 258564b9ff2SBrooks Davis #if defined(LUA_CORE) || defined(LUA_LIB) /* { */ 259564b9ff2SBrooks Davis #define LUA_API __declspec(dllexport) 260564b9ff2SBrooks Davis #else /* }{ */ 261564b9ff2SBrooks Davis #define LUA_API __declspec(dllimport) 262564b9ff2SBrooks Davis #endif /* } */ 263564b9ff2SBrooks Davis 264564b9ff2SBrooks Davis #else /* }{ */ 265564b9ff2SBrooks Davis 266564b9ff2SBrooks Davis #define LUA_API extern 267564b9ff2SBrooks Davis 268564b9ff2SBrooks Davis #endif /* } */ 269564b9ff2SBrooks Davis 270564b9ff2SBrooks Davis 271564b9ff2SBrooks Davis /* more often than not the libs go together with the core */ 272564b9ff2SBrooks Davis #define LUALIB_API LUA_API 273564b9ff2SBrooks Davis #define LUAMOD_API LUALIB_API 274564b9ff2SBrooks Davis 275564b9ff2SBrooks Davis 276564b9ff2SBrooks Davis /* 277564b9ff2SBrooks Davis @@ LUAI_FUNC is a mark for all extern functions that are not to be 278564b9ff2SBrooks Davis ** exported to outside modules. 279564b9ff2SBrooks Davis @@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables 280564b9ff2SBrooks Davis ** that are not to be exported to outside modules (LUAI_DDEF for 281564b9ff2SBrooks Davis ** definitions and LUAI_DDEC for declarations). 282564b9ff2SBrooks Davis ** CHANGE them if you need to mark them in some special way. Elf/gcc 283564b9ff2SBrooks Davis ** (versions 3.2 and later) mark them as "hidden" to optimize access 284564b9ff2SBrooks Davis ** when Lua is compiled as a shared library. Not all elf targets support 285564b9ff2SBrooks Davis ** this attribute. Unfortunately, gcc does not offer a way to check 286564b9ff2SBrooks Davis ** whether the target offers that support, and those without support 287564b9ff2SBrooks Davis ** give a warning about it. To avoid these warnings, change to the 288564b9ff2SBrooks Davis ** default definition. 289564b9ff2SBrooks Davis */ 290564b9ff2SBrooks Davis #if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \ 291564b9ff2SBrooks Davis defined(__ELF__) /* { */ 292564b9ff2SBrooks Davis #define LUAI_FUNC __attribute__((visibility("hidden"))) extern 293564b9ff2SBrooks Davis #else /* }{ */ 294564b9ff2SBrooks Davis #define LUAI_FUNC extern 295564b9ff2SBrooks Davis #endif /* } */ 296564b9ff2SBrooks Davis 297564b9ff2SBrooks Davis #define LUAI_DDEC LUAI_FUNC 298564b9ff2SBrooks Davis #define LUAI_DDEF /* empty */ 299564b9ff2SBrooks Davis 300564b9ff2SBrooks Davis /* }================================================================== */ 301564b9ff2SBrooks Davis 302564b9ff2SBrooks Davis 303564b9ff2SBrooks Davis /* 304564b9ff2SBrooks Davis ** {================================================================== 305564b9ff2SBrooks Davis ** Compatibility with previous versions 306564b9ff2SBrooks Davis ** =================================================================== 307564b9ff2SBrooks Davis */ 308564b9ff2SBrooks Davis 309564b9ff2SBrooks Davis /* 310564b9ff2SBrooks Davis @@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2. 311564b9ff2SBrooks Davis @@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1. 312564b9ff2SBrooks Davis ** You can define it to get all options, or change specific options 313564b9ff2SBrooks Davis ** to fit your specific needs. 314564b9ff2SBrooks Davis */ 315564b9ff2SBrooks Davis #if defined(LUA_COMPAT_5_2) /* { */ 316564b9ff2SBrooks Davis 317564b9ff2SBrooks Davis /* 318564b9ff2SBrooks Davis @@ LUA_COMPAT_MATHLIB controls the presence of several deprecated 319564b9ff2SBrooks Davis ** functions in the mathematical library. 320564b9ff2SBrooks Davis */ 321564b9ff2SBrooks Davis #define LUA_COMPAT_MATHLIB 322564b9ff2SBrooks Davis 323564b9ff2SBrooks Davis /* 324564b9ff2SBrooks Davis @@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'. 325564b9ff2SBrooks Davis */ 326564b9ff2SBrooks Davis #define LUA_COMPAT_BITLIB 327564b9ff2SBrooks Davis 328564b9ff2SBrooks Davis /* 329564b9ff2SBrooks Davis @@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod. 330564b9ff2SBrooks Davis */ 331564b9ff2SBrooks Davis #define LUA_COMPAT_IPAIRS 332564b9ff2SBrooks Davis 333564b9ff2SBrooks Davis /* 334564b9ff2SBrooks Davis @@ LUA_COMPAT_APIINTCASTS controls the presence of macros for 335564b9ff2SBrooks Davis ** manipulating other integer types (lua_pushunsigned, lua_tounsigned, 336564b9ff2SBrooks Davis ** luaL_checkint, luaL_checklong, etc.) 337564b9ff2SBrooks Davis */ 338564b9ff2SBrooks Davis #define LUA_COMPAT_APIINTCASTS 339564b9ff2SBrooks Davis 340564b9ff2SBrooks Davis #endif /* } */ 341564b9ff2SBrooks Davis 342564b9ff2SBrooks Davis 343564b9ff2SBrooks Davis #if defined(LUA_COMPAT_5_1) /* { */ 344564b9ff2SBrooks Davis 345564b9ff2SBrooks Davis /* Incompatibilities from 5.2 -> 5.3 */ 346564b9ff2SBrooks Davis #define LUA_COMPAT_MATHLIB 347564b9ff2SBrooks Davis #define LUA_COMPAT_APIINTCASTS 348564b9ff2SBrooks Davis 349564b9ff2SBrooks Davis /* 350564b9ff2SBrooks Davis @@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'. 351564b9ff2SBrooks Davis ** You can replace it with 'table.unpack'. 352564b9ff2SBrooks Davis */ 353564b9ff2SBrooks Davis #define LUA_COMPAT_UNPACK 354564b9ff2SBrooks Davis 355564b9ff2SBrooks Davis /* 356564b9ff2SBrooks Davis @@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'. 357564b9ff2SBrooks Davis ** You can replace it with 'package.searchers'. 358564b9ff2SBrooks Davis */ 359564b9ff2SBrooks Davis #define LUA_COMPAT_LOADERS 360564b9ff2SBrooks Davis 361564b9ff2SBrooks Davis /* 362564b9ff2SBrooks Davis @@ macro 'lua_cpcall' emulates deprecated function lua_cpcall. 363564b9ff2SBrooks Davis ** You can call your C function directly (with light C functions). 364564b9ff2SBrooks Davis */ 365564b9ff2SBrooks Davis #define lua_cpcall(L,f,u) \ 366564b9ff2SBrooks Davis (lua_pushcfunction(L, (f)), \ 367564b9ff2SBrooks Davis lua_pushlightuserdata(L,(u)), \ 368564b9ff2SBrooks Davis lua_pcall(L,1,0,0)) 369564b9ff2SBrooks Davis 370564b9ff2SBrooks Davis 371564b9ff2SBrooks Davis /* 372564b9ff2SBrooks Davis @@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library. 373564b9ff2SBrooks Davis ** You can rewrite 'log10(x)' as 'log(x, 10)'. 374564b9ff2SBrooks Davis */ 375564b9ff2SBrooks Davis #define LUA_COMPAT_LOG10 376564b9ff2SBrooks Davis 377564b9ff2SBrooks Davis /* 378564b9ff2SBrooks Davis @@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base 379564b9ff2SBrooks Davis ** library. You can rewrite 'loadstring(s)' as 'load(s)'. 380564b9ff2SBrooks Davis */ 381564b9ff2SBrooks Davis #define LUA_COMPAT_LOADSTRING 382564b9ff2SBrooks Davis 383564b9ff2SBrooks Davis /* 384564b9ff2SBrooks Davis @@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library. 385564b9ff2SBrooks Davis */ 386564b9ff2SBrooks Davis #define LUA_COMPAT_MAXN 387564b9ff2SBrooks Davis 388564b9ff2SBrooks Davis /* 389564b9ff2SBrooks Davis @@ The following macros supply trivial compatibility for some 390564b9ff2SBrooks Davis ** changes in the API. The macros themselves document how to 391564b9ff2SBrooks Davis ** change your code to avoid using them. 392564b9ff2SBrooks Davis */ 393564b9ff2SBrooks Davis #define lua_strlen(L,i) lua_rawlen(L, (i)) 394564b9ff2SBrooks Davis 395564b9ff2SBrooks Davis #define lua_objlen(L,i) lua_rawlen(L, (i)) 396564b9ff2SBrooks Davis 397564b9ff2SBrooks Davis #define lua_equal(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPEQ) 398564b9ff2SBrooks Davis #define lua_lessthan(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPLT) 399564b9ff2SBrooks Davis 400564b9ff2SBrooks Davis /* 401564b9ff2SBrooks Davis @@ LUA_COMPAT_MODULE controls compatibility with previous 402564b9ff2SBrooks Davis ** module functions 'module' (Lua) and 'luaL_register' (C). 403564b9ff2SBrooks Davis */ 404564b9ff2SBrooks Davis #define LUA_COMPAT_MODULE 405564b9ff2SBrooks Davis 406564b9ff2SBrooks Davis #endif /* } */ 407564b9ff2SBrooks Davis 408564b9ff2SBrooks Davis 409564b9ff2SBrooks Davis /* 410564b9ff2SBrooks Davis @@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a 411564b9ff2SBrooks Davis @@ a float mark ('.0'). 412564b9ff2SBrooks Davis ** This macro is not on by default even in compatibility mode, 413564b9ff2SBrooks Davis ** because this is not really an incompatibility. 414564b9ff2SBrooks Davis */ 415564b9ff2SBrooks Davis /* #define LUA_COMPAT_FLOATSTRING */ 416564b9ff2SBrooks Davis 417564b9ff2SBrooks Davis /* }================================================================== */ 418564b9ff2SBrooks Davis 419564b9ff2SBrooks Davis 420564b9ff2SBrooks Davis 421564b9ff2SBrooks Davis /* 422564b9ff2SBrooks Davis ** {================================================================== 423564b9ff2SBrooks Davis ** Configuration for Numbers. 424564b9ff2SBrooks Davis ** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_* 425564b9ff2SBrooks Davis ** satisfy your needs. 426564b9ff2SBrooks Davis ** =================================================================== 427564b9ff2SBrooks Davis */ 428564b9ff2SBrooks Davis 429564b9ff2SBrooks Davis /* 430564b9ff2SBrooks Davis @@ LUA_NUMBER is the floating-point type used by Lua. 431564b9ff2SBrooks Davis @@ LUAI_UACNUMBER is the result of a 'default argument promotion' 432564b9ff2SBrooks Davis @@ over a floating number. 433564b9ff2SBrooks Davis @@ l_mathlim(x) corrects limit name 'x' to the proper float type 434564b9ff2SBrooks Davis ** by prefixing it with one of FLT/DBL/LDBL. 435564b9ff2SBrooks Davis @@ LUA_NUMBER_FRMLEN is the length modifier for writing floats. 436564b9ff2SBrooks Davis @@ LUA_NUMBER_FMT is the format for writing floats. 437564b9ff2SBrooks Davis @@ lua_number2str converts a float to a string. 438564b9ff2SBrooks Davis @@ l_mathop allows the addition of an 'l' or 'f' to all math operations. 439564b9ff2SBrooks Davis @@ l_floor takes the floor of a float. 440564b9ff2SBrooks Davis @@ lua_str2number converts a decimal numeric string to a number. 441564b9ff2SBrooks Davis */ 442564b9ff2SBrooks Davis 443564b9ff2SBrooks Davis 444564b9ff2SBrooks Davis /* The following definitions are good for most cases here */ 445564b9ff2SBrooks Davis 446564b9ff2SBrooks Davis #define l_floor(x) (l_mathop(floor)(x)) 447564b9ff2SBrooks Davis 448564b9ff2SBrooks Davis #define lua_number2str(s,sz,n) \ 449564b9ff2SBrooks Davis l_sprintf((s), sz, LUA_NUMBER_FMT, (LUAI_UACNUMBER)(n)) 450564b9ff2SBrooks Davis 451564b9ff2SBrooks Davis /* 452564b9ff2SBrooks Davis @@ lua_numbertointeger converts a float number to an integer, or 453564b9ff2SBrooks Davis ** returns 0 if float is not within the range of a lua_Integer. 454564b9ff2SBrooks Davis ** (The range comparisons are tricky because of rounding. The tests 455564b9ff2SBrooks Davis ** here assume a two-complement representation, where MININTEGER always 456564b9ff2SBrooks Davis ** has an exact representation as a float; MAXINTEGER may not have one, 457564b9ff2SBrooks Davis ** and therefore its conversion to float may have an ill-defined value.) 458564b9ff2SBrooks Davis */ 459564b9ff2SBrooks Davis #define lua_numbertointeger(n,p) \ 460564b9ff2SBrooks Davis ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \ 461564b9ff2SBrooks Davis (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \ 462564b9ff2SBrooks Davis (*(p) = (LUA_INTEGER)(n), 1)) 463564b9ff2SBrooks Davis 464564b9ff2SBrooks Davis 465564b9ff2SBrooks Davis /* now the variable definitions */ 466564b9ff2SBrooks Davis 467564b9ff2SBrooks Davis #if LUA_FLOAT_TYPE == LUA_FLOAT_FLOAT /* { single float */ 468564b9ff2SBrooks Davis 469564b9ff2SBrooks Davis #define LUA_NUMBER float 470564b9ff2SBrooks Davis 471564b9ff2SBrooks Davis #define l_mathlim(n) (FLT_##n) 472564b9ff2SBrooks Davis 473564b9ff2SBrooks Davis #define LUAI_UACNUMBER double 474564b9ff2SBrooks Davis 475564b9ff2SBrooks Davis #define LUA_NUMBER_FRMLEN "" 476564b9ff2SBrooks Davis #define LUA_NUMBER_FMT "%.7g" 477564b9ff2SBrooks Davis 478564b9ff2SBrooks Davis #define l_mathop(op) op##f 479564b9ff2SBrooks Davis 480564b9ff2SBrooks Davis #define lua_str2number(s,p) strtof((s), (p)) 481564b9ff2SBrooks Davis 482564b9ff2SBrooks Davis 483564b9ff2SBrooks Davis #elif LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE /* }{ long double */ 484564b9ff2SBrooks Davis 485564b9ff2SBrooks Davis #define LUA_NUMBER long double 486564b9ff2SBrooks Davis 487564b9ff2SBrooks Davis #define l_mathlim(n) (LDBL_##n) 488564b9ff2SBrooks Davis 489564b9ff2SBrooks Davis #define LUAI_UACNUMBER long double 490564b9ff2SBrooks Davis 491564b9ff2SBrooks Davis #define LUA_NUMBER_FRMLEN "L" 492564b9ff2SBrooks Davis #define LUA_NUMBER_FMT "%.19Lg" 493564b9ff2SBrooks Davis 494564b9ff2SBrooks Davis #define l_mathop(op) op##l 495564b9ff2SBrooks Davis 496564b9ff2SBrooks Davis #define lua_str2number(s,p) strtold((s), (p)) 497564b9ff2SBrooks Davis 498564b9ff2SBrooks Davis #elif LUA_FLOAT_TYPE == LUA_FLOAT_DOUBLE /* }{ double */ 499564b9ff2SBrooks Davis 500564b9ff2SBrooks Davis #define LUA_NUMBER double 501564b9ff2SBrooks Davis 502564b9ff2SBrooks Davis #define l_mathlim(n) (DBL_##n) 503564b9ff2SBrooks Davis 504564b9ff2SBrooks Davis #define LUAI_UACNUMBER double 505564b9ff2SBrooks Davis 506564b9ff2SBrooks Davis #define LUA_NUMBER_FRMLEN "" 507564b9ff2SBrooks Davis #define LUA_NUMBER_FMT "%.14g" 508564b9ff2SBrooks Davis 509564b9ff2SBrooks Davis #define l_mathop(op) op 510564b9ff2SBrooks Davis 511564b9ff2SBrooks Davis #define lua_str2number(s,p) strtod((s), (p)) 512564b9ff2SBrooks Davis 513564b9ff2SBrooks Davis #else /* }{ */ 514564b9ff2SBrooks Davis 515564b9ff2SBrooks Davis #error "numeric float type not defined" 516564b9ff2SBrooks Davis 517564b9ff2SBrooks Davis #endif /* } */ 518564b9ff2SBrooks Davis 519564b9ff2SBrooks Davis 520564b9ff2SBrooks Davis 521564b9ff2SBrooks Davis /* 522564b9ff2SBrooks Davis @@ LUA_INTEGER is the integer type used by Lua. 523564b9ff2SBrooks Davis ** 524564b9ff2SBrooks Davis @@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER. 525564b9ff2SBrooks Davis ** 526564b9ff2SBrooks Davis @@ LUAI_UACINT is the result of a 'default argument promotion' 527564b9ff2SBrooks Davis @@ over a lUA_INTEGER. 528564b9ff2SBrooks Davis @@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers. 529564b9ff2SBrooks Davis @@ LUA_INTEGER_FMT is the format for writing integers. 530564b9ff2SBrooks Davis @@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER. 531564b9ff2SBrooks Davis @@ LUA_MININTEGER is the minimum value for a LUA_INTEGER. 532564b9ff2SBrooks Davis @@ lua_integer2str converts an integer to a string. 533564b9ff2SBrooks Davis */ 534564b9ff2SBrooks Davis 535564b9ff2SBrooks Davis 536564b9ff2SBrooks Davis /* The following definitions are good for most cases here */ 537564b9ff2SBrooks Davis 538564b9ff2SBrooks Davis #define LUA_INTEGER_FMT "%" LUA_INTEGER_FRMLEN "d" 539564b9ff2SBrooks Davis 540564b9ff2SBrooks Davis #define LUAI_UACINT LUA_INTEGER 541564b9ff2SBrooks Davis 542564b9ff2SBrooks Davis #define lua_integer2str(s,sz,n) \ 543564b9ff2SBrooks Davis l_sprintf((s), sz, LUA_INTEGER_FMT, (LUAI_UACINT)(n)) 544564b9ff2SBrooks Davis 545564b9ff2SBrooks Davis /* 546564b9ff2SBrooks Davis ** use LUAI_UACINT here to avoid problems with promotions (which 547564b9ff2SBrooks Davis ** can turn a comparison between unsigneds into a signed comparison) 548564b9ff2SBrooks Davis */ 549564b9ff2SBrooks Davis #define LUA_UNSIGNED unsigned LUAI_UACINT 550564b9ff2SBrooks Davis 551564b9ff2SBrooks Davis 552564b9ff2SBrooks Davis /* now the variable definitions */ 553564b9ff2SBrooks Davis 554564b9ff2SBrooks Davis #if LUA_INT_TYPE == LUA_INT_INT /* { int */ 555564b9ff2SBrooks Davis 556564b9ff2SBrooks Davis #define LUA_INTEGER int 557564b9ff2SBrooks Davis #define LUA_INTEGER_FRMLEN "" 558564b9ff2SBrooks Davis 559564b9ff2SBrooks Davis #define LUA_MAXINTEGER INT_MAX 560564b9ff2SBrooks Davis #define LUA_MININTEGER INT_MIN 561564b9ff2SBrooks Davis 562564b9ff2SBrooks Davis #elif LUA_INT_TYPE == LUA_INT_LONG /* }{ long */ 563564b9ff2SBrooks Davis 564564b9ff2SBrooks Davis #define LUA_INTEGER long 565564b9ff2SBrooks Davis #define LUA_INTEGER_FRMLEN "l" 566564b9ff2SBrooks Davis 567564b9ff2SBrooks Davis #define LUA_MAXINTEGER LONG_MAX 568564b9ff2SBrooks Davis #define LUA_MININTEGER LONG_MIN 569564b9ff2SBrooks Davis 570564b9ff2SBrooks Davis #elif LUA_INT_TYPE == LUA_INT_LONGLONG /* }{ long long */ 571564b9ff2SBrooks Davis 572564b9ff2SBrooks Davis /* use presence of macro LLONG_MAX as proxy for C99 compliance */ 573564b9ff2SBrooks Davis #if defined(LLONG_MAX) /* { */ 574564b9ff2SBrooks Davis /* use ISO C99 stuff */ 575564b9ff2SBrooks Davis 576564b9ff2SBrooks Davis #define LUA_INTEGER long long 577564b9ff2SBrooks Davis #define LUA_INTEGER_FRMLEN "ll" 578564b9ff2SBrooks Davis 579564b9ff2SBrooks Davis #define LUA_MAXINTEGER LLONG_MAX 580564b9ff2SBrooks Davis #define LUA_MININTEGER LLONG_MIN 581564b9ff2SBrooks Davis 582564b9ff2SBrooks Davis #elif defined(LUA_USE_WINDOWS) /* }{ */ 583564b9ff2SBrooks Davis /* in Windows, can use specific Windows types */ 584564b9ff2SBrooks Davis 585564b9ff2SBrooks Davis #define LUA_INTEGER __int64 586564b9ff2SBrooks Davis #define LUA_INTEGER_FRMLEN "I64" 587564b9ff2SBrooks Davis 588564b9ff2SBrooks Davis #define LUA_MAXINTEGER _I64_MAX 589564b9ff2SBrooks Davis #define LUA_MININTEGER _I64_MIN 590564b9ff2SBrooks Davis 591564b9ff2SBrooks Davis #else /* }{ */ 592564b9ff2SBrooks Davis 593564b9ff2SBrooks Davis #error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \ 594564b9ff2SBrooks Davis or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)" 595564b9ff2SBrooks Davis 596564b9ff2SBrooks Davis #endif /* } */ 597564b9ff2SBrooks Davis 598564b9ff2SBrooks Davis #else /* }{ */ 599564b9ff2SBrooks Davis 600564b9ff2SBrooks Davis #error "numeric integer type not defined" 601564b9ff2SBrooks Davis 602564b9ff2SBrooks Davis #endif /* } */ 603564b9ff2SBrooks Davis 604564b9ff2SBrooks Davis /* }================================================================== */ 605564b9ff2SBrooks Davis 606564b9ff2SBrooks Davis 607564b9ff2SBrooks Davis /* 608564b9ff2SBrooks Davis ** {================================================================== 609564b9ff2SBrooks Davis ** Dependencies with C99 and other C details 610564b9ff2SBrooks Davis ** =================================================================== 611564b9ff2SBrooks Davis */ 612564b9ff2SBrooks Davis 613564b9ff2SBrooks Davis /* 614564b9ff2SBrooks Davis @@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89. 615564b9ff2SBrooks Davis ** (All uses in Lua have only one format item.) 616564b9ff2SBrooks Davis */ 617564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) 618564b9ff2SBrooks Davis #define l_sprintf(s,sz,f,i) snprintf(s,sz,f,i) 619564b9ff2SBrooks Davis #else 620564b9ff2SBrooks Davis #define l_sprintf(s,sz,f,i) ((void)(sz), sprintf(s,f,i)) 621564b9ff2SBrooks Davis #endif 622564b9ff2SBrooks Davis 623564b9ff2SBrooks Davis 624564b9ff2SBrooks Davis /* 625564b9ff2SBrooks Davis @@ lua_strx2number converts an hexadecimal numeric string to a number. 626564b9ff2SBrooks Davis ** In C99, 'strtod' does that conversion. Otherwise, you can 627564b9ff2SBrooks Davis ** leave 'lua_strx2number' undefined and Lua will provide its own 628564b9ff2SBrooks Davis ** implementation. 629564b9ff2SBrooks Davis */ 630564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) 631564b9ff2SBrooks Davis #define lua_strx2number(s,p) lua_str2number(s,p) 632564b9ff2SBrooks Davis #endif 633564b9ff2SBrooks Davis 634564b9ff2SBrooks Davis 635564b9ff2SBrooks Davis /* 636564b9ff2SBrooks Davis @@ lua_pointer2str converts a pointer to a readable string in a 637564b9ff2SBrooks Davis ** non-specified way. 638564b9ff2SBrooks Davis */ 639564b9ff2SBrooks Davis #define lua_pointer2str(buff,sz,p) l_sprintf(buff,sz,"%p",p) 640564b9ff2SBrooks Davis 641564b9ff2SBrooks Davis 642564b9ff2SBrooks Davis /* 643564b9ff2SBrooks Davis @@ lua_number2strx converts a float to an hexadecimal numeric string. 644564b9ff2SBrooks Davis ** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that. 645564b9ff2SBrooks Davis ** Otherwise, you can leave 'lua_number2strx' undefined and Lua will 646564b9ff2SBrooks Davis ** provide its own implementation. 647564b9ff2SBrooks Davis */ 648564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) 649564b9ff2SBrooks Davis #define lua_number2strx(L,b,sz,f,n) \ 650564b9ff2SBrooks Davis ((void)L, l_sprintf(b,sz,f,(LUAI_UACNUMBER)(n))) 651564b9ff2SBrooks Davis #endif 652564b9ff2SBrooks Davis 653564b9ff2SBrooks Davis 654564b9ff2SBrooks Davis /* 655564b9ff2SBrooks Davis ** 'strtof' and 'opf' variants for math functions are not valid in 656564b9ff2SBrooks Davis ** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the 657564b9ff2SBrooks Davis ** availability of these variants. ('math.h' is already included in 658564b9ff2SBrooks Davis ** all files that use these macros.) 659564b9ff2SBrooks Davis */ 660564b9ff2SBrooks Davis #if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF)) 661564b9ff2SBrooks Davis #undef l_mathop /* variants not available */ 662564b9ff2SBrooks Davis #undef lua_str2number 663564b9ff2SBrooks Davis #define l_mathop(op) (lua_Number)op /* no variant */ 664564b9ff2SBrooks Davis #define lua_str2number(s,p) ((lua_Number)strtod((s), (p))) 665564b9ff2SBrooks Davis #endif 666564b9ff2SBrooks Davis 667564b9ff2SBrooks Davis 668564b9ff2SBrooks Davis /* 669564b9ff2SBrooks Davis @@ LUA_KCONTEXT is the type of the context ('ctx') for continuation 670564b9ff2SBrooks Davis ** functions. It must be a numerical type; Lua will use 'intptr_t' if 671564b9ff2SBrooks Davis ** available, otherwise it will use 'ptrdiff_t' (the nearest thing to 672564b9ff2SBrooks Davis ** 'intptr_t' in C89) 673564b9ff2SBrooks Davis */ 674564b9ff2SBrooks Davis #define LUA_KCONTEXT ptrdiff_t 675564b9ff2SBrooks Davis 676564b9ff2SBrooks Davis #if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \ 677564b9ff2SBrooks Davis __STDC_VERSION__ >= 199901L 678564b9ff2SBrooks Davis #include <stdint.h> 679564b9ff2SBrooks Davis #if defined(INTPTR_MAX) /* even in C99 this type is optional */ 680564b9ff2SBrooks Davis #undef LUA_KCONTEXT 681564b9ff2SBrooks Davis #define LUA_KCONTEXT intptr_t 682564b9ff2SBrooks Davis #endif 683564b9ff2SBrooks Davis #endif 684564b9ff2SBrooks Davis 685564b9ff2SBrooks Davis 686564b9ff2SBrooks Davis /* 687564b9ff2SBrooks Davis @@ lua_getlocaledecpoint gets the locale "radix character" (decimal point). 688564b9ff2SBrooks Davis ** Change that if you do not want to use C locales. (Code using this 689564b9ff2SBrooks Davis ** macro must include header 'locale.h'.) 690564b9ff2SBrooks Davis */ 691564b9ff2SBrooks Davis #if !defined(lua_getlocaledecpoint) 692564b9ff2SBrooks Davis #define lua_getlocaledecpoint() (localeconv()->decimal_point[0]) 693564b9ff2SBrooks Davis #endif 694564b9ff2SBrooks Davis 695564b9ff2SBrooks Davis /* }================================================================== */ 696564b9ff2SBrooks Davis 697564b9ff2SBrooks Davis 698564b9ff2SBrooks Davis /* 699564b9ff2SBrooks Davis ** {================================================================== 700564b9ff2SBrooks Davis ** Language Variations 701564b9ff2SBrooks Davis ** ===================================================================== 702564b9ff2SBrooks Davis */ 703564b9ff2SBrooks Davis 704564b9ff2SBrooks Davis /* 705564b9ff2SBrooks Davis @@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some 706564b9ff2SBrooks Davis ** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from 707564b9ff2SBrooks Davis ** numbers to strings. Define LUA_NOCVTS2N to turn off automatic 708564b9ff2SBrooks Davis ** coercion from strings to numbers. 709564b9ff2SBrooks Davis */ 710564b9ff2SBrooks Davis /* #define LUA_NOCVTN2S */ 711564b9ff2SBrooks Davis /* #define LUA_NOCVTS2N */ 712564b9ff2SBrooks Davis 713564b9ff2SBrooks Davis 714564b9ff2SBrooks Davis /* 715564b9ff2SBrooks Davis @@ LUA_USE_APICHECK turns on several consistency checks on the C API. 716564b9ff2SBrooks Davis ** Define it as a help when debugging C code. 717564b9ff2SBrooks Davis */ 718564b9ff2SBrooks Davis #if defined(LUA_USE_APICHECK) 719564b9ff2SBrooks Davis #include <assert.h> 720564b9ff2SBrooks Davis #define luai_apicheck(l,e) assert(e) 721564b9ff2SBrooks Davis #endif 722564b9ff2SBrooks Davis 723564b9ff2SBrooks Davis /* }================================================================== */ 724564b9ff2SBrooks Davis 725564b9ff2SBrooks Davis 726564b9ff2SBrooks Davis /* 727564b9ff2SBrooks Davis ** {================================================================== 728564b9ff2SBrooks Davis ** Macros that affect the API and must be stable (that is, must be the 729564b9ff2SBrooks Davis ** same when you compile Lua and when you compile code that links to 730564b9ff2SBrooks Davis ** Lua). You probably do not want/need to change them. 731564b9ff2SBrooks Davis ** ===================================================================== 732564b9ff2SBrooks Davis */ 733564b9ff2SBrooks Davis 734564b9ff2SBrooks Davis /* 735564b9ff2SBrooks Davis @@ LUAI_MAXSTACK limits the size of the Lua stack. 736564b9ff2SBrooks Davis ** CHANGE it if you need a different limit. This limit is arbitrary; 737564b9ff2SBrooks Davis ** its only purpose is to stop Lua from consuming unlimited stack 738564b9ff2SBrooks Davis ** space (and to reserve some numbers for pseudo-indices). 739564b9ff2SBrooks Davis */ 740564b9ff2SBrooks Davis #if LUAI_BITSINT >= 32 741564b9ff2SBrooks Davis #define LUAI_MAXSTACK 1000000 742564b9ff2SBrooks Davis #else 743564b9ff2SBrooks Davis #define LUAI_MAXSTACK 15000 744564b9ff2SBrooks Davis #endif 745564b9ff2SBrooks Davis 746564b9ff2SBrooks Davis 747564b9ff2SBrooks Davis /* 748564b9ff2SBrooks Davis @@ LUA_EXTRASPACE defines the size of a raw memory area associated with 749564b9ff2SBrooks Davis ** a Lua state with very fast access. 750564b9ff2SBrooks Davis ** CHANGE it if you need a different size. 751564b9ff2SBrooks Davis */ 752564b9ff2SBrooks Davis #define LUA_EXTRASPACE (sizeof(void *)) 753564b9ff2SBrooks Davis 754564b9ff2SBrooks Davis 755564b9ff2SBrooks Davis /* 756564b9ff2SBrooks Davis @@ LUA_IDSIZE gives the maximum size for the description of the source 757564b9ff2SBrooks Davis @@ of a function in debug information. 758564b9ff2SBrooks Davis ** CHANGE it if you want a different size. 759564b9ff2SBrooks Davis */ 760564b9ff2SBrooks Davis #define LUA_IDSIZE 60 761564b9ff2SBrooks Davis 762564b9ff2SBrooks Davis 763564b9ff2SBrooks Davis /* 764564b9ff2SBrooks Davis @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system. 765564b9ff2SBrooks Davis ** CHANGE it if it uses too much C-stack space. (For long double, 766564b9ff2SBrooks Davis ** 'string.format("%.99f", -1e4932)' needs 5034 bytes, so a 767564b9ff2SBrooks Davis ** smaller buffer would force a memory allocation for each call to 768564b9ff2SBrooks Davis ** 'string.format'.) 769564b9ff2SBrooks Davis */ 770564b9ff2SBrooks Davis #if LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE 771564b9ff2SBrooks Davis #define LUAL_BUFFERSIZE 8192 772564b9ff2SBrooks Davis #else 773564b9ff2SBrooks Davis #define LUAL_BUFFERSIZE ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer))) 774564b9ff2SBrooks Davis #endif 775564b9ff2SBrooks Davis 776564b9ff2SBrooks Davis /* }================================================================== */ 777564b9ff2SBrooks Davis 778564b9ff2SBrooks Davis 779564b9ff2SBrooks Davis /* 780564b9ff2SBrooks Davis @@ LUA_QL describes how error messages quote program elements. 781564b9ff2SBrooks Davis ** Lua does not use these macros anymore; they are here for 782564b9ff2SBrooks Davis ** compatibility only. 783564b9ff2SBrooks Davis */ 784564b9ff2SBrooks Davis #define LUA_QL(x) "'" x "'" 785564b9ff2SBrooks Davis #define LUA_QS LUA_QL("%s") 786564b9ff2SBrooks Davis 787564b9ff2SBrooks Davis 788564b9ff2SBrooks Davis 789564b9ff2SBrooks Davis 790564b9ff2SBrooks Davis /* =================================================================== */ 791564b9ff2SBrooks Davis 792564b9ff2SBrooks Davis /* 793564b9ff2SBrooks Davis ** Local configuration. You can use this space to add your redefinitions 794564b9ff2SBrooks Davis ** without modifying the main part of the file. 795564b9ff2SBrooks Davis */ 796564b9ff2SBrooks Davis 797564b9ff2SBrooks Davis 798564b9ff2SBrooks Davis 799564b9ff2SBrooks Davis 800564b9ff2SBrooks Davis 801564b9ff2SBrooks Davis #endif 802564b9ff2SBrooks Davis 803