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Diffstat (limited to 'src/lua/luaconf.h')
| -rw-r--r-- | src/lua/luaconf.h | 776 |
1 files changed, 776 insertions, 0 deletions
diff --git a/src/lua/luaconf.h b/src/lua/luaconf.h new file mode 100644 index 0000000..bdf927e --- /dev/null +++ b/src/lua/luaconf.h | |||
| @@ -0,0 +1,776 @@ | |||
| 1 | /* | ||
| 2 | ** $Id: luaconf.h $ | ||
| 3 | ** Configuration file for Lua | ||
| 4 | ** See Copyright Notice in lua.h | ||
| 5 | */ | ||
| 6 | |||
| 7 | |||
| 8 | #ifndef luaconf_h | ||
| 9 | #define luaconf_h | ||
| 10 | |||
| 11 | #include <limits.h> | ||
| 12 | #include <stddef.h> | ||
| 13 | |||
| 14 | |||
| 15 | /* | ||
| 16 | ** =================================================================== | ||
| 17 | ** General Configuration File for Lua | ||
| 18 | ** | ||
| 19 | ** Some definitions here can be changed externally, through the | ||
| 20 | ** compiler (e.g., with '-D' options). Those are protected by | ||
| 21 | ** '#if !defined' guards. However, several other definitions should | ||
| 22 | ** be changed directly here, either because they affect the Lua | ||
| 23 | ** ABI (by making the changes here, you ensure that all software | ||
| 24 | ** connected to Lua, such as C libraries, will be compiled with the | ||
| 25 | ** same configuration); or because they are seldom changed. | ||
| 26 | ** | ||
| 27 | ** Search for "@@" to find all configurable definitions. | ||
| 28 | ** =================================================================== | ||
| 29 | */ | ||
| 30 | |||
| 31 | |||
| 32 | /* | ||
| 33 | ** {==================================================================== | ||
| 34 | ** System Configuration: macros to adapt (if needed) Lua to some | ||
| 35 | ** particular platform, for instance restricting it to C89. | ||
| 36 | ** ===================================================================== | ||
| 37 | */ | ||
| 38 | |||
| 39 | /* | ||
| 40 | @@ LUAI_MAXCSTACK defines the maximum depth for nested calls and | ||
| 41 | ** also limits the maximum depth of other recursive algorithms in | ||
| 42 | ** the implementation, such as syntactic analysis. A value too | ||
| 43 | ** large may allow the interpreter to crash (C-stack overflow). | ||
| 44 | ** The default value seems ok for regular machines, but may be | ||
| 45 | ** too high for restricted hardware. | ||
| 46 | ** The test file 'cstack.lua' may help finding a good limit. | ||
| 47 | ** (It will crash with a limit too high.) | ||
| 48 | */ | ||
| 49 | #if !defined(LUAI_MAXCSTACK) | ||
| 50 | #define LUAI_MAXCSTACK 2000 | ||
| 51 | #endif | ||
| 52 | |||
| 53 | |||
| 54 | /* | ||
| 55 | @@ LUA_USE_C89 controls the use of non-ISO-C89 features. | ||
| 56 | ** Define it if you want Lua to avoid the use of a few C99 features | ||
| 57 | ** or Windows-specific features on Windows. | ||
| 58 | */ | ||
| 59 | /* #define LUA_USE_C89 */ | ||
| 60 | |||
| 61 | |||
| 62 | /* | ||
| 63 | ** By default, Lua on Windows use (some) specific Windows features | ||
| 64 | */ | ||
| 65 | #if !defined(LUA_USE_C89) && defined(_WIN32) && !defined(_WIN32_WCE) | ||
| 66 | #define LUA_USE_WINDOWS /* enable goodies for regular Windows */ | ||
| 67 | #endif | ||
| 68 | |||
| 69 | |||
| 70 | #if defined(LUA_USE_WINDOWS) | ||
| 71 | #define LUA_DL_DLL /* enable support for DLL */ | ||
| 72 | #define LUA_USE_C89 /* broadly, Windows is C89 */ | ||
| 73 | #endif | ||
| 74 | |||
| 75 | |||
| 76 | #if defined(LUA_USE_LINUX) | ||
| 77 | #define LUA_USE_POSIX | ||
| 78 | #define LUA_USE_DLOPEN /* needs an extra library: -ldl */ | ||
| 79 | #endif | ||
| 80 | |||
| 81 | |||
| 82 | #if defined(LUA_USE_MACOSX) | ||
| 83 | #define LUA_USE_POSIX | ||
| 84 | #define LUA_USE_DLOPEN /* MacOS does not need -ldl */ | ||
| 85 | #endif | ||
| 86 | |||
| 87 | |||
| 88 | /* | ||
| 89 | @@ LUAI_IS32INT is true iff 'int' has (at least) 32 bits. | ||
| 90 | */ | ||
| 91 | #define LUAI_IS32INT ((UINT_MAX >> 30) >= 3) | ||
| 92 | |||
| 93 | /* }================================================================== */ | ||
| 94 | |||
| 95 | |||
| 96 | |||
| 97 | /* | ||
| 98 | ** {================================================================== | ||
| 99 | ** Configuration for Number types. | ||
| 100 | ** =================================================================== | ||
| 101 | */ | ||
| 102 | |||
| 103 | /* | ||
| 104 | @@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. | ||
| 105 | */ | ||
| 106 | /* #define LUA_32BITS */ | ||
| 107 | |||
| 108 | |||
| 109 | /* | ||
| 110 | @@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for | ||
| 111 | ** C89 ('long' and 'double'); Windows always has '__int64', so it does | ||
| 112 | ** not need to use this case. | ||
| 113 | */ | ||
| 114 | #if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS) | ||
| 115 | #define LUA_C89_NUMBERS | ||
| 116 | #endif | ||
| 117 | |||
| 118 | |||
| 119 | /* | ||
| 120 | @@ LUA_INT_TYPE defines the type for Lua integers. | ||
| 121 | @@ LUA_FLOAT_TYPE defines the type for Lua floats. | ||
| 122 | ** Lua should work fine with any mix of these options supported | ||
| 123 | ** by your C compiler. The usual configurations are 64-bit integers | ||
| 124 | ** and 'double' (the default), 32-bit integers and 'float' (for | ||
| 125 | ** restricted platforms), and 'long'/'double' (for C compilers not | ||
| 126 | ** compliant with C99, which may not have support for 'long long'). | ||
| 127 | */ | ||
| 128 | |||
| 129 | /* predefined options for LUA_INT_TYPE */ | ||
| 130 | #define LUA_INT_INT 1 | ||
| 131 | #define LUA_INT_LONG 2 | ||
| 132 | #define LUA_INT_LONGLONG 3 | ||
| 133 | |||
| 134 | /* predefined options for LUA_FLOAT_TYPE */ | ||
| 135 | #define LUA_FLOAT_FLOAT 1 | ||
| 136 | #define LUA_FLOAT_DOUBLE 2 | ||
| 137 | #define LUA_FLOAT_LONGDOUBLE 3 | ||
| 138 | |||
| 139 | #if defined(LUA_32BITS) /* { */ | ||
| 140 | /* | ||
| 141 | ** 32-bit integers and 'float' | ||
| 142 | */ | ||
| 143 | #if LUAI_IS32INT /* use 'int' if big enough */ | ||
| 144 | #define LUA_INT_TYPE LUA_INT_INT | ||
| 145 | #else /* otherwise use 'long' */ | ||
| 146 | #define LUA_INT_TYPE LUA_INT_LONG | ||
| 147 | #endif | ||
| 148 | #define LUA_FLOAT_TYPE LUA_FLOAT_FLOAT | ||
| 149 | |||
| 150 | #elif defined(LUA_C89_NUMBERS) /* }{ */ | ||
| 151 | /* | ||
| 152 | ** largest types available for C89 ('long' and 'double') | ||
| 153 | */ | ||
| 154 | #define LUA_INT_TYPE LUA_INT_LONG | ||
| 155 | #define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE | ||
| 156 | |||
| 157 | #endif /* } */ | ||
| 158 | |||
| 159 | |||
| 160 | /* | ||
| 161 | ** default configuration for 64-bit Lua ('long long' and 'double') | ||
| 162 | */ | ||
| 163 | #if !defined(LUA_INT_TYPE) | ||
| 164 | #define LUA_INT_TYPE LUA_INT_LONGLONG | ||
| 165 | #endif | ||
| 166 | |||
| 167 | #if !defined(LUA_FLOAT_TYPE) | ||
| 168 | #define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE | ||
| 169 | #endif | ||
| 170 | |||
| 171 | /* }================================================================== */ | ||
| 172 | |||
| 173 | |||
| 174 | |||
| 175 | /* | ||
| 176 | ** {================================================================== | ||
| 177 | ** Configuration for Paths. | ||
| 178 | ** =================================================================== | ||
| 179 | */ | ||
| 180 | |||
| 181 | /* | ||
| 182 | ** LUA_PATH_SEP is the character that separates templates in a path. | ||
| 183 | ** LUA_PATH_MARK is the string that marks the substitution points in a | ||
| 184 | ** template. | ||
| 185 | ** LUA_EXEC_DIR in a Windows path is replaced by the executable's | ||
| 186 | ** directory. | ||
| 187 | */ | ||
| 188 | #define LUA_PATH_SEP ";" | ||
| 189 | #define LUA_PATH_MARK "?" | ||
| 190 | #define LUA_EXEC_DIR "!" | ||
| 191 | |||
| 192 | |||
| 193 | /* | ||
| 194 | @@ LUA_PATH_DEFAULT is the default path that Lua uses to look for | ||
| 195 | ** Lua libraries. | ||
| 196 | @@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for | ||
| 197 | ** C libraries. | ||
| 198 | ** CHANGE them if your machine has a non-conventional directory | ||
| 199 | ** hierarchy or if you want to install your libraries in | ||
| 200 | ** non-conventional directories. | ||
| 201 | */ | ||
| 202 | |||
| 203 | #define LUA_VDIR LUA_VERSION_MAJOR "." LUA_VERSION_MINOR | ||
| 204 | #if defined(_WIN32) /* { */ | ||
| 205 | /* | ||
| 206 | ** In Windows, any exclamation mark ('!') in the path is replaced by the | ||
| 207 | ** path of the directory of the executable file of the current process. | ||
| 208 | */ | ||
| 209 | #define LUA_LDIR "!\\lua\\" | ||
| 210 | #define LUA_CDIR "!\\" | ||
| 211 | #define LUA_SHRDIR "!\\..\\share\\lua\\" LUA_VDIR "\\" | ||
| 212 | |||
| 213 | #if !defined(LUA_PATH_DEFAULT) | ||
| 214 | #define LUA_PATH_DEFAULT \ | ||
| 215 | LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \ | ||
| 216 | LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua;" \ | ||
| 217 | LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \ | ||
| 218 | ".\\?.lua;" ".\\?\\init.lua" | ||
| 219 | #endif | ||
| 220 | |||
| 221 | #if !defined(LUA_CPATH_DEFAULT) | ||
| 222 | #define LUA_CPATH_DEFAULT \ | ||
| 223 | LUA_CDIR"?.dll;" \ | ||
| 224 | LUA_CDIR"..\\lib\\lua\\" LUA_VDIR "\\?.dll;" \ | ||
| 225 | LUA_CDIR"loadall.dll;" ".\\?.dll" | ||
| 226 | #endif | ||
| 227 | |||
| 228 | #else /* }{ */ | ||
| 229 | |||
| 230 | #define LUA_ROOT "/usr/local/" | ||
| 231 | #define LUA_LDIR LUA_ROOT "share/lua/" LUA_VDIR "/" | ||
| 232 | #define LUA_CDIR LUA_ROOT "lib/lua/" LUA_VDIR "/" | ||
| 233 | |||
| 234 | #if !defined(LUA_PATH_DEFAULT) | ||
| 235 | #define LUA_PATH_DEFAULT \ | ||
| 236 | LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua;" \ | ||
| 237 | LUA_CDIR"?.lua;" LUA_CDIR"?/init.lua;" \ | ||
| 238 | "./?.lua;" "./?/init.lua" | ||
| 239 | #endif | ||
| 240 | |||
| 241 | #if !defined(LUA_CPATH_DEFAULT) | ||
| 242 | #define LUA_CPATH_DEFAULT \ | ||
| 243 | LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so" | ||
| 244 | #endif | ||
| 245 | |||
| 246 | #endif /* } */ | ||
| 247 | |||
| 248 | |||
| 249 | /* | ||
| 250 | @@ LUA_DIRSEP is the directory separator (for submodules). | ||
| 251 | ** CHANGE it if your machine does not use "/" as the directory separator | ||
| 252 | ** and is not Windows. (On Windows Lua automatically uses "\".) | ||
| 253 | */ | ||
| 254 | #if !defined(LUA_DIRSEP) | ||
| 255 | |||
| 256 | #if defined(_WIN32) | ||
| 257 | #define LUA_DIRSEP "\\" | ||
| 258 | #else | ||
| 259 | #define LUA_DIRSEP "/" | ||
| 260 | #endif | ||
| 261 | |||
| 262 | #endif | ||
| 263 | |||
| 264 | /* }================================================================== */ | ||
| 265 | |||
| 266 | |||
| 267 | /* | ||
| 268 | ** {================================================================== | ||
| 269 | ** Marks for exported symbols in the C code | ||
| 270 | ** =================================================================== | ||
| 271 | */ | ||
| 272 | |||
| 273 | /* | ||
| 274 | @@ LUA_API is a mark for all core API functions. | ||
| 275 | @@ LUALIB_API is a mark for all auxiliary library functions. | ||
| 276 | @@ LUAMOD_API is a mark for all standard library opening functions. | ||
| 277 | ** CHANGE them if you need to define those functions in some special way. | ||
| 278 | ** For instance, if you want to create one Windows DLL with the core and | ||
| 279 | ** the libraries, you may want to use the following definition (define | ||
| 280 | ** LUA_BUILD_AS_DLL to get it). | ||
| 281 | */ | ||
| 282 | #if defined(LUA_BUILD_AS_DLL) /* { */ | ||
| 283 | |||
| 284 | #if defined(LUA_CORE) || defined(LUA_LIB) /* { */ | ||
| 285 | #define LUA_API __declspec(dllexport) | ||
| 286 | #else /* }{ */ | ||
| 287 | #define LUA_API __declspec(dllimport) | ||
| 288 | #endif /* } */ | ||
| 289 | |||
| 290 | #else /* }{ */ | ||
| 291 | |||
| 292 | #define LUA_API extern | ||
| 293 | |||
| 294 | #endif /* } */ | ||
| 295 | |||
| 296 | |||
| 297 | /* | ||
| 298 | ** More often than not the libs go together with the core. | ||
| 299 | */ | ||
| 300 | #define LUALIB_API LUA_API | ||
| 301 | #define LUAMOD_API LUA_API | ||
| 302 | |||
| 303 | |||
| 304 | /* | ||
| 305 | @@ LUAI_FUNC is a mark for all extern functions that are not to be | ||
| 306 | ** exported to outside modules. | ||
| 307 | @@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables, | ||
| 308 | ** none of which to be exported to outside modules (LUAI_DDEF for | ||
| 309 | ** definitions and LUAI_DDEC for declarations). | ||
| 310 | ** CHANGE them if you need to mark them in some special way. Elf/gcc | ||
| 311 | ** (versions 3.2 and later) mark them as "hidden" to optimize access | ||
| 312 | ** when Lua is compiled as a shared library. Not all elf targets support | ||
| 313 | ** this attribute. Unfortunately, gcc does not offer a way to check | ||
| 314 | ** whether the target offers that support, and those without support | ||
| 315 | ** give a warning about it. To avoid these warnings, change to the | ||
| 316 | ** default definition. | ||
| 317 | */ | ||
| 318 | #if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \ | ||
| 319 | defined(__ELF__) /* { */ | ||
| 320 | #define LUAI_FUNC __attribute__((visibility("internal"))) extern | ||
| 321 | #else /* }{ */ | ||
| 322 | #define LUAI_FUNC extern | ||
| 323 | #endif /* } */ | ||
| 324 | |||
| 325 | #define LUAI_DDEC(dec) LUAI_FUNC dec | ||
| 326 | #define LUAI_DDEF /* empty */ | ||
| 327 | |||
| 328 | /* }================================================================== */ | ||
| 329 | |||
| 330 | |||
| 331 | /* | ||
| 332 | ** {================================================================== | ||
| 333 | ** Compatibility with previous versions | ||
| 334 | ** =================================================================== | ||
| 335 | */ | ||
| 336 | |||
| 337 | /* | ||
| 338 | @@ LUA_COMPAT_5_3 controls other macros for compatibility with Lua 5.3. | ||
| 339 | ** You can define it to get all options, or change specific options | ||
| 340 | ** to fit your specific needs. | ||
| 341 | */ | ||
| 342 | #if defined(LUA_COMPAT_5_3) /* { */ | ||
| 343 | |||
| 344 | /* | ||
| 345 | @@ LUA_COMPAT_MATHLIB controls the presence of several deprecated | ||
| 346 | ** functions in the mathematical library. | ||
| 347 | ** (These functions were already officially removed in 5.3; | ||
| 348 | ** nevertheless they are still available here.) | ||
| 349 | */ | ||
| 350 | #define LUA_COMPAT_MATHLIB | ||
| 351 | |||
| 352 | /* | ||
| 353 | @@ LUA_COMPAT_APIINTCASTS controls the presence of macros for | ||
| 354 | ** manipulating other integer types (lua_pushunsigned, lua_tounsigned, | ||
| 355 | ** luaL_checkint, luaL_checklong, etc.) | ||
| 356 | ** (These macros were also officially removed in 5.3, but they are still | ||
| 357 | ** available here.) | ||
| 358 | */ | ||
| 359 | #define LUA_COMPAT_APIINTCASTS | ||
| 360 | |||
| 361 | |||
| 362 | /* | ||
| 363 | @@ LUA_COMPAT_LT_LE controls the emulation of the '__le' metamethod | ||
| 364 | ** using '__lt'. | ||
| 365 | */ | ||
| 366 | #define LUA_COMPAT_LT_LE | ||
| 367 | |||
| 368 | |||
| 369 | /* | ||
| 370 | @@ The following macros supply trivial compatibility for some | ||
| 371 | ** changes in the API. The macros themselves document how to | ||
| 372 | ** change your code to avoid using them. | ||
| 373 | ** (Once more, these macros were officially removed in 5.3, but they are | ||
| 374 | ** still available here.) | ||
| 375 | */ | ||
| 376 | #define lua_strlen(L,i) lua_rawlen(L, (i)) | ||
| 377 | |||
| 378 | #define lua_objlen(L,i) lua_rawlen(L, (i)) | ||
| 379 | |||
| 380 | #define lua_equal(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPEQ) | ||
| 381 | #define lua_lessthan(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPLT) | ||
| 382 | |||
| 383 | #endif /* } */ | ||
| 384 | |||
| 385 | /* }================================================================== */ | ||
| 386 | |||
| 387 | |||
| 388 | |||
| 389 | /* | ||
| 390 | ** {================================================================== | ||
| 391 | ** Configuration for Numbers. | ||
| 392 | ** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_* | ||
| 393 | ** satisfy your needs. | ||
| 394 | ** =================================================================== | ||
| 395 | */ | ||
| 396 | |||
| 397 | /* | ||
| 398 | @@ LUA_NUMBER is the floating-point type used by Lua. | ||
| 399 | @@ LUAI_UACNUMBER is the result of a 'default argument promotion' | ||
| 400 | @@ over a floating number. | ||
| 401 | @@ l_floatatt(x) corrects float attribute 'x' to the proper float type | ||
| 402 | ** by prefixing it with one of FLT/DBL/LDBL. | ||
| 403 | @@ LUA_NUMBER_FRMLEN is the length modifier for writing floats. | ||
| 404 | @@ LUA_NUMBER_FMT is the format for writing floats. | ||
| 405 | @@ lua_number2str converts a float to a string. | ||
| 406 | @@ l_mathop allows the addition of an 'l' or 'f' to all math operations. | ||
| 407 | @@ l_floor takes the floor of a float. | ||
| 408 | @@ lua_str2number converts a decimal numeral to a number. | ||
| 409 | */ | ||
| 410 | |||
| 411 | |||
| 412 | /* The following definitions are good for most cases here */ | ||
| 413 | |||
| 414 | #define l_floor(x) (l_mathop(floor)(x)) | ||
| 415 | |||
| 416 | #define lua_number2str(s,sz,n) \ | ||
| 417 | l_sprintf((s), sz, LUA_NUMBER_FMT, (LUAI_UACNUMBER)(n)) | ||
| 418 | |||
| 419 | /* | ||
| 420 | @@ lua_numbertointeger converts a float number with an integral value | ||
| 421 | ** to an integer, or returns 0 if float is not within the range of | ||
| 422 | ** a lua_Integer. (The range comparisons are tricky because of | ||
| 423 | ** rounding. The tests here assume a two-complement representation, | ||
| 424 | ** where MININTEGER always has an exact representation as a float; | ||
| 425 | ** MAXINTEGER may not have one, and therefore its conversion to float | ||
| 426 | ** may have an ill-defined value.) | ||
| 427 | */ | ||
| 428 | #define lua_numbertointeger(n,p) \ | ||
| 429 | ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \ | ||
| 430 | (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \ | ||
| 431 | (*(p) = (LUA_INTEGER)(n), 1)) | ||
| 432 | |||
| 433 | |||
| 434 | /* now the variable definitions */ | ||
| 435 | |||
| 436 | #if LUA_FLOAT_TYPE == LUA_FLOAT_FLOAT /* { single float */ | ||
| 437 | |||
| 438 | #define LUA_NUMBER float | ||
| 439 | |||
| 440 | #define l_floatatt(n) (FLT_##n) | ||
| 441 | |||
| 442 | #define LUAI_UACNUMBER double | ||
| 443 | |||
| 444 | #define LUA_NUMBER_FRMLEN "" | ||
| 445 | #define LUA_NUMBER_FMT "%.7g" | ||
| 446 | |||
| 447 | #define l_mathop(op) op##f | ||
| 448 | |||
| 449 | #define lua_str2number(s,p) strtof((s), (p)) | ||
| 450 | |||
| 451 | |||
| 452 | #elif LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE /* }{ long double */ | ||
| 453 | |||
| 454 | #define LUA_NUMBER long double | ||
| 455 | |||
| 456 | #define l_floatatt(n) (LDBL_##n) | ||
| 457 | |||
| 458 | #define LUAI_UACNUMBER long double | ||
| 459 | |||
| 460 | #define LUA_NUMBER_FRMLEN "L" | ||
| 461 | #define LUA_NUMBER_FMT "%.19Lg" | ||
| 462 | |||
| 463 | #define l_mathop(op) op##l | ||
| 464 | |||
| 465 | #define lua_str2number(s,p) strtold((s), (p)) | ||
| 466 | |||
| 467 | #elif LUA_FLOAT_TYPE == LUA_FLOAT_DOUBLE /* }{ double */ | ||
| 468 | |||
| 469 | #define LUA_NUMBER double | ||
| 470 | |||
| 471 | #define l_floatatt(n) (DBL_##n) | ||
| 472 | |||
| 473 | #define LUAI_UACNUMBER double | ||
| 474 | |||
| 475 | #define LUA_NUMBER_FRMLEN "" | ||
| 476 | #define LUA_NUMBER_FMT "%.14g" | ||
| 477 | |||
| 478 | #define l_mathop(op) op | ||
| 479 | |||
| 480 | #define lua_str2number(s,p) strtod((s), (p)) | ||
| 481 | |||
| 482 | #else /* }{ */ | ||
| 483 | |||
| 484 | #error "numeric float type not defined" | ||
| 485 | |||
| 486 | #endif /* } */ | ||
| 487 | |||
| 488 | |||
| 489 | |||
| 490 | /* | ||
| 491 | @@ LUA_INTEGER is the integer type used by Lua. | ||
| 492 | ** | ||
| 493 | @@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER. | ||
| 494 | ** | ||
| 495 | @@ LUAI_UACINT is the result of a 'default argument promotion' | ||
| 496 | @@ over a LUA_INTEGER. | ||
| 497 | @@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers. | ||
| 498 | @@ LUA_INTEGER_FMT is the format for writing integers. | ||
| 499 | @@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER. | ||
| 500 | @@ LUA_MININTEGER is the minimum value for a LUA_INTEGER. | ||
| 501 | @@ LUA_MAXUNSIGNED is the maximum value for a LUA_UNSIGNED. | ||
| 502 | @@ LUA_UNSIGNEDBITS is the number of bits in a LUA_UNSIGNED. | ||
| 503 | @@ lua_integer2str converts an integer to a string. | ||
| 504 | */ | ||
| 505 | |||
| 506 | |||
| 507 | /* The following definitions are good for most cases here */ | ||
| 508 | |||
| 509 | #define LUA_INTEGER_FMT "%" LUA_INTEGER_FRMLEN "d" | ||
| 510 | |||
| 511 | #define LUAI_UACINT LUA_INTEGER | ||
| 512 | |||
| 513 | #define lua_integer2str(s,sz,n) \ | ||
| 514 | l_sprintf((s), sz, LUA_INTEGER_FMT, (LUAI_UACINT)(n)) | ||
| 515 | |||
| 516 | /* | ||
| 517 | ** use LUAI_UACINT here to avoid problems with promotions (which | ||
| 518 | ** can turn a comparison between unsigneds into a signed comparison) | ||
| 519 | */ | ||
| 520 | #define LUA_UNSIGNED unsigned LUAI_UACINT | ||
| 521 | |||
| 522 | |||
| 523 | #define LUA_UNSIGNEDBITS (sizeof(LUA_UNSIGNED) * CHAR_BIT) | ||
| 524 | |||
| 525 | |||
| 526 | /* now the variable definitions */ | ||
| 527 | |||
| 528 | #if LUA_INT_TYPE == LUA_INT_INT /* { int */ | ||
| 529 | |||
| 530 | #define LUA_INTEGER int | ||
| 531 | #define LUA_INTEGER_FRMLEN "" | ||
| 532 | |||
| 533 | #define LUA_MAXINTEGER INT_MAX | ||
| 534 | #define LUA_MININTEGER INT_MIN | ||
| 535 | |||
| 536 | #define LUA_MAXUNSIGNED UINT_MAX | ||
| 537 | |||
| 538 | #elif LUA_INT_TYPE == LUA_INT_LONG /* }{ long */ | ||
| 539 | |||
| 540 | #define LUA_INTEGER long | ||
| 541 | #define LUA_INTEGER_FRMLEN "l" | ||
| 542 | |||
| 543 | #define LUA_MAXINTEGER LONG_MAX | ||
| 544 | #define LUA_MININTEGER LONG_MIN | ||
| 545 | |||
| 546 | #define LUA_MAXUNSIGNED ULONG_MAX | ||
| 547 | |||
| 548 | #elif LUA_INT_TYPE == LUA_INT_LONGLONG /* }{ long long */ | ||
| 549 | |||
| 550 | /* use presence of macro LLONG_MAX as proxy for C99 compliance */ | ||
| 551 | #if defined(LLONG_MAX) /* { */ | ||
| 552 | /* use ISO C99 stuff */ | ||
| 553 | |||
| 554 | #define LUA_INTEGER long long | ||
| 555 | #define LUA_INTEGER_FRMLEN "ll" | ||
| 556 | |||
| 557 | #define LUA_MAXINTEGER LLONG_MAX | ||
| 558 | #define LUA_MININTEGER LLONG_MIN | ||
| 559 | |||
| 560 | #define LUA_MAXUNSIGNED ULLONG_MAX | ||
| 561 | |||
| 562 | #elif defined(LUA_USE_WINDOWS) /* }{ */ | ||
| 563 | /* in Windows, can use specific Windows types */ | ||
| 564 | |||
| 565 | #define LUA_INTEGER __int64 | ||
| 566 | #define LUA_INTEGER_FRMLEN "I64" | ||
| 567 | |||
| 568 | #define LUA_MAXINTEGER _I64_MAX | ||
| 569 | #define LUA_MININTEGER _I64_MIN | ||
| 570 | |||
| 571 | #define LUA_MAXUNSIGNED _UI64_MAX | ||
| 572 | |||
| 573 | #else /* }{ */ | ||
| 574 | |||
| 575 | #error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \ | ||
| 576 | or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)" | ||
| 577 | |||
| 578 | #endif /* } */ | ||
| 579 | |||
| 580 | #else /* }{ */ | ||
| 581 | |||
| 582 | #error "numeric integer type not defined" | ||
| 583 | |||
| 584 | #endif /* } */ | ||
| 585 | |||
| 586 | /* }================================================================== */ | ||
| 587 | |||
| 588 | |||
| 589 | /* | ||
| 590 | ** {================================================================== | ||
| 591 | ** Dependencies with C99 and other C details | ||
| 592 | ** =================================================================== | ||
| 593 | */ | ||
| 594 | |||
| 595 | /* | ||
| 596 | @@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89. | ||
| 597 | ** (All uses in Lua have only one format item.) | ||
| 598 | */ | ||
| 599 | #if !defined(LUA_USE_C89) | ||
| 600 | #define l_sprintf(s,sz,f,i) snprintf(s,sz,f,i) | ||
| 601 | #else | ||
| 602 | #define l_sprintf(s,sz,f,i) ((void)(sz), sprintf(s,f,i)) | ||
| 603 | #endif | ||
| 604 | |||
| 605 | |||
| 606 | /* | ||
| 607 | @@ lua_strx2number converts a hexadecimal numeral to a number. | ||
| 608 | ** In C99, 'strtod' does that conversion. Otherwise, you can | ||
| 609 | ** leave 'lua_strx2number' undefined and Lua will provide its own | ||
| 610 | ** implementation. | ||
| 611 | */ | ||
| 612 | #if !defined(LUA_USE_C89) | ||
| 613 | #define lua_strx2number(s,p) lua_str2number(s,p) | ||
| 614 | #endif | ||
| 615 | |||
| 616 | |||
| 617 | /* | ||
| 618 | @@ lua_pointer2str converts a pointer to a readable string in a | ||
| 619 | ** non-specified way. | ||
| 620 | */ | ||
| 621 | #define lua_pointer2str(buff,sz,p) l_sprintf(buff,sz,"%p",p) | ||
| 622 | |||
| 623 | |||
| 624 | /* | ||
| 625 | @@ lua_number2strx converts a float to a hexadecimal numeral. | ||
| 626 | ** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that. | ||
| 627 | ** Otherwise, you can leave 'lua_number2strx' undefined and Lua will | ||
| 628 | ** provide its own implementation. | ||
| 629 | */ | ||
| 630 | #if !defined(LUA_USE_C89) | ||
| 631 | #define lua_number2strx(L,b,sz,f,n) \ | ||
| 632 | ((void)L, l_sprintf(b,sz,f,(LUAI_UACNUMBER)(n))) | ||
| 633 | #endif | ||
| 634 | |||
| 635 | |||
| 636 | /* | ||
| 637 | ** 'strtof' and 'opf' variants for math functions are not valid in | ||
| 638 | ** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the | ||
| 639 | ** availability of these variants. ('math.h' is already included in | ||
| 640 | ** all files that use these macros.) | ||
| 641 | */ | ||
| 642 | #if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF)) | ||
| 643 | #undef l_mathop /* variants not available */ | ||
| 644 | #undef lua_str2number | ||
| 645 | #define l_mathop(op) (lua_Number)op /* no variant */ | ||
| 646 | #define lua_str2number(s,p) ((lua_Number)strtod((s), (p))) | ||
| 647 | #endif | ||
| 648 | |||
| 649 | |||
| 650 | /* | ||
| 651 | @@ LUA_KCONTEXT is the type of the context ('ctx') for continuation | ||
| 652 | ** functions. It must be a numerical type; Lua will use 'intptr_t' if | ||
| 653 | ** available, otherwise it will use 'ptrdiff_t' (the nearest thing to | ||
| 654 | ** 'intptr_t' in C89) | ||
| 655 | */ | ||
| 656 | #define LUA_KCONTEXT ptrdiff_t | ||
| 657 | |||
| 658 | #if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \ | ||
| 659 | __STDC_VERSION__ >= 199901L | ||
| 660 | #include <stdint.h> | ||
| 661 | #if defined(INTPTR_MAX) /* even in C99 this type is optional */ | ||
| 662 | #undef LUA_KCONTEXT | ||
| 663 | #define LUA_KCONTEXT intptr_t | ||
| 664 | #endif | ||
| 665 | #endif | ||
| 666 | |||
| 667 | |||
| 668 | /* | ||
| 669 | @@ lua_getlocaledecpoint gets the locale "radix character" (decimal point). | ||
| 670 | ** Change that if you do not want to use C locales. (Code using this | ||
| 671 | ** macro must include the header 'locale.h'.) | ||
| 672 | */ | ||
| 673 | #if !defined(lua_getlocaledecpoint) | ||
| 674 | #define lua_getlocaledecpoint() (localeconv()->decimal_point[0]) | ||
| 675 | #endif | ||
| 676 | |||
| 677 | /* }================================================================== */ | ||
| 678 | |||
| 679 | |||
| 680 | /* | ||
| 681 | ** {================================================================== | ||
| 682 | ** Language Variations | ||
| 683 | ** ===================================================================== | ||
| 684 | */ | ||
| 685 | |||
| 686 | /* | ||
| 687 | @@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some | ||
| 688 | ** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from | ||
| 689 | ** numbers to strings. Define LUA_NOCVTS2N to turn off automatic | ||
| 690 | ** coercion from strings to numbers. | ||
| 691 | */ | ||
| 692 | /* #define LUA_NOCVTN2S */ | ||
| 693 | /* #define LUA_NOCVTS2N */ | ||
| 694 | |||
| 695 | |||
| 696 | /* | ||
| 697 | @@ LUA_USE_APICHECK turns on several consistency checks on the C API. | ||
| 698 | ** Define it as a help when debugging C code. | ||
| 699 | */ | ||
| 700 | #if defined(LUA_USE_APICHECK) | ||
| 701 | #include <assert.h> | ||
| 702 | #define luai_apicheck(l,e) assert(e) | ||
| 703 | #endif | ||
| 704 | |||
| 705 | /* }================================================================== */ | ||
| 706 | |||
| 707 | |||
| 708 | /* | ||
| 709 | ** {================================================================== | ||
| 710 | ** Macros that affect the API and must be stable (that is, must be the | ||
| 711 | ** same when you compile Lua and when you compile code that links to | ||
| 712 | ** Lua). | ||
| 713 | ** ===================================================================== | ||
| 714 | */ | ||
| 715 | |||
| 716 | /* | ||
| 717 | @@ LUAI_MAXSTACK limits the size of the Lua stack. | ||
| 718 | ** CHANGE it if you need a different limit. This limit is arbitrary; | ||
| 719 | ** its only purpose is to stop Lua from consuming unlimited stack | ||
| 720 | ** space (and to reserve some numbers for pseudo-indices). | ||
| 721 | ** (It must fit into max(size_t)/32.) | ||
| 722 | */ | ||
| 723 | #if LUAI_IS32INT | ||
| 724 | #define LUAI_MAXSTACK 1000000 | ||
| 725 | #else | ||
| 726 | #define LUAI_MAXSTACK 15000 | ||
| 727 | #endif | ||
| 728 | |||
| 729 | |||
| 730 | /* | ||
| 731 | @@ LUA_EXTRASPACE defines the size of a raw memory area associated with | ||
| 732 | ** a Lua state with very fast access. | ||
| 733 | ** CHANGE it if you need a different size. | ||
| 734 | */ | ||
| 735 | #define LUA_EXTRASPACE (sizeof(void *)) | ||
| 736 | |||
| 737 | |||
| 738 | /* | ||
| 739 | @@ LUA_IDSIZE gives the maximum size for the description of the source | ||
| 740 | @@ of a function in debug information. | ||
| 741 | ** CHANGE it if you want a different size. | ||
| 742 | */ | ||
| 743 | #define LUA_IDSIZE 60 | ||
| 744 | |||
| 745 | |||
| 746 | /* | ||
| 747 | @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system. | ||
| 748 | */ | ||
| 749 | #define LUAL_BUFFERSIZE ((int)(16 * sizeof(void*) * sizeof(lua_Number))) | ||
| 750 | |||
| 751 | |||
| 752 | /* | ||
| 753 | @@ LUAI_MAXALIGN defines fields that, when used in a union, ensure | ||
| 754 | ** maximum alignment for the other items in that union. | ||
| 755 | */ | ||
| 756 | #define LUAI_MAXALIGN lua_Number n; double u; void *s; lua_Integer i; long l | ||
| 757 | |||
| 758 | /* }================================================================== */ | ||
| 759 | |||
| 760 | |||
| 761 | |||
| 762 | |||
| 763 | |||
| 764 | /* =================================================================== */ | ||
| 765 | |||
| 766 | /* | ||
| 767 | ** Local configuration. You can use this space to add your redefinitions | ||
| 768 | ** without modifying the main part of the file. | ||
| 769 | */ | ||
| 770 | |||
| 771 | |||
| 772 | |||
| 773 | |||
| 774 | |||
| 775 | #endif | ||
| 776 | |||
