diff options
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 | |||