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Diffstat (limited to 'src/lua-5.3/luaconf.h')
-rw-r--r-- | src/lua-5.3/luaconf.h | 790 |
1 files changed, 790 insertions, 0 deletions
diff --git a/src/lua-5.3/luaconf.h b/src/lua-5.3/luaconf.h new file mode 100644 index 0000000..9eeeea6 --- /dev/null +++ b/src/lua-5.3/luaconf.h | |||
@@ -0,0 +1,790 @@ | |||
1 | /* | ||
2 | ** $Id: luaconf.h,v 1.259.1.1 2017/04/19 17:29:57 roberto Exp $ | ||
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 | ** Search for "@@" to find all configurable definitions. | ||
18 | ** =================================================================== | ||
19 | */ | ||
20 | |||
21 | |||
22 | /* | ||
23 | ** {==================================================================== | ||
24 | ** System Configuration: macros to adapt (if needed) Lua to some | ||
25 | ** particular platform, for instance compiling it with 32-bit numbers or | ||
26 | ** restricting it to C89. | ||
27 | ** ===================================================================== | ||
28 | */ | ||
29 | |||
30 | /* | ||
31 | @@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. You | ||
32 | ** can also define LUA_32BITS in the make file, but changing here you | ||
33 | ** ensure that all software connected to Lua will be compiled with the | ||
34 | ** same configuration. | ||
35 | */ | ||
36 | /* #define LUA_32BITS */ | ||
37 | |||
38 | |||
39 | /* | ||
40 | @@ LUA_USE_C89 controls the use of non-ISO-C89 features. | ||
41 | ** Define it if you want Lua to avoid the use of a few C99 features | ||
42 | ** or Windows-specific features on Windows. | ||
43 | */ | ||
44 | /* #define LUA_USE_C89 */ | ||
45 | |||
46 | |||
47 | /* | ||
48 | ** By default, Lua on Windows use (some) specific Windows features | ||
49 | */ | ||
50 | #if !defined(LUA_USE_C89) && defined(_WIN32) && !defined(_WIN32_WCE) | ||
51 | #define LUA_USE_WINDOWS /* enable goodies for regular Windows */ | ||
52 | #endif | ||
53 | |||
54 | |||
55 | #if defined(LUA_USE_WINDOWS) | ||
56 | #define LUA_DL_DLL /* enable support for DLL */ | ||
57 | #define LUA_USE_C89 /* broadly, Windows is C89 */ | ||
58 | #endif | ||
59 | |||
60 | |||
61 | #if defined(LUA_USE_LINUX) | ||
62 | #define LUA_USE_POSIX | ||
63 | #define LUA_USE_DLOPEN /* needs an extra library: -ldl */ | ||
64 | #define LUA_USE_READLINE /* needs some extra libraries */ | ||
65 | #endif | ||
66 | |||
67 | |||
68 | #if defined(LUA_USE_MACOSX) | ||
69 | #define LUA_USE_POSIX | ||
70 | #define LUA_USE_DLOPEN /* MacOS does not need -ldl */ | ||
71 | #define LUA_USE_READLINE /* needs an extra library: -lreadline */ | ||
72 | #endif | ||
73 | |||
74 | |||
75 | /* | ||
76 | @@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for | ||
77 | ** C89 ('long' and 'double'); Windows always has '__int64', so it does | ||
78 | ** not need to use this case. | ||
79 | */ | ||
80 | #if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS) | ||
81 | #define LUA_C89_NUMBERS | ||
82 | #endif | ||
83 | |||
84 | |||
85 | |||
86 | /* | ||
87 | @@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'. | ||
88 | */ | ||
89 | /* avoid undefined shifts */ | ||
90 | #if ((INT_MAX >> 15) >> 15) >= 1 | ||
91 | #define LUAI_BITSINT 32 | ||
92 | #else | ||
93 | /* 'int' always must have at least 16 bits */ | ||
94 | #define LUAI_BITSINT 16 | ||
95 | #endif | ||
96 | |||
97 | |||
98 | /* | ||
99 | @@ LUA_INT_TYPE defines the type for Lua integers. | ||
100 | @@ LUA_FLOAT_TYPE defines the type for Lua floats. | ||
101 | ** Lua should work fine with any mix of these options (if supported | ||
102 | ** by your C compiler). The usual configurations are 64-bit integers | ||
103 | ** and 'double' (the default), 32-bit integers and 'float' (for | ||
104 | ** restricted platforms), and 'long'/'double' (for C compilers not | ||
105 | ** compliant with C99, which may not have support for 'long long'). | ||
106 | */ | ||
107 | |||
108 | /* predefined options for LUA_INT_TYPE */ | ||
109 | #define LUA_INT_INT 1 | ||
110 | #define LUA_INT_LONG 2 | ||
111 | #define LUA_INT_LONGLONG 3 | ||
112 | |||
113 | /* predefined options for LUA_FLOAT_TYPE */ | ||
114 | #define LUA_FLOAT_FLOAT 1 | ||
115 | #define LUA_FLOAT_DOUBLE 2 | ||
116 | #define LUA_FLOAT_LONGDOUBLE 3 | ||
117 | |||
118 | #if defined(LUA_32BITS) /* { */ | ||
119 | /* | ||
120 | ** 32-bit integers and 'float' | ||
121 | */ | ||
122 | #if LUAI_BITSINT >= 32 /* use 'int' if big enough */ | ||
123 | #define LUA_INT_TYPE LUA_INT_INT | ||
124 | #else /* otherwise use 'long' */ | ||
125 | #define LUA_INT_TYPE LUA_INT_LONG | ||
126 | #endif | ||
127 | #define LUA_FLOAT_TYPE LUA_FLOAT_FLOAT | ||
128 | |||
129 | #elif defined(LUA_C89_NUMBERS) /* }{ */ | ||
130 | /* | ||
131 | ** largest types available for C89 ('long' and 'double') | ||
132 | */ | ||
133 | #define LUA_INT_TYPE LUA_INT_LONG | ||
134 | #define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE | ||
135 | |||
136 | #endif /* } */ | ||
137 | |||
138 | |||
139 | /* | ||
140 | ** default configuration for 64-bit Lua ('long long' and 'double') | ||
141 | */ | ||
142 | #if !defined(LUA_INT_TYPE) | ||
143 | #define LUA_INT_TYPE LUA_INT_LONGLONG | ||
144 | #endif | ||
145 | |||
146 | #if !defined(LUA_FLOAT_TYPE) | ||
147 | #define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE | ||
148 | #endif | ||
149 | |||
150 | /* }================================================================== */ | ||
151 | |||
152 | |||
153 | |||
154 | |||
155 | /* | ||
156 | ** {================================================================== | ||
157 | ** Configuration for Paths. | ||
158 | ** =================================================================== | ||
159 | */ | ||
160 | |||
161 | /* | ||
162 | ** LUA_PATH_SEP is the character that separates templates in a path. | ||
163 | ** LUA_PATH_MARK is the string that marks the substitution points in a | ||
164 | ** template. | ||
165 | ** LUA_EXEC_DIR in a Windows path is replaced by the executable's | ||
166 | ** directory. | ||
167 | */ | ||
168 | #define LUA_PATH_SEP ";" | ||
169 | #define LUA_PATH_MARK "?" | ||
170 | #define LUA_EXEC_DIR "!" | ||
171 | |||
172 | |||
173 | /* | ||
174 | @@ LUA_PATH_DEFAULT is the default path that Lua uses to look for | ||
175 | ** Lua libraries. | ||
176 | @@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for | ||
177 | ** C libraries. | ||
178 | ** CHANGE them if your machine has a non-conventional directory | ||
179 | ** hierarchy or if you want to install your libraries in | ||
180 | ** non-conventional directories. | ||
181 | */ | ||
182 | #define LUA_VDIR LUA_VERSION_MAJOR "." LUA_VERSION_MINOR | ||
183 | #if defined(_WIN32) /* { */ | ||
184 | /* | ||
185 | ** In Windows, any exclamation mark ('!') in the path is replaced by the | ||
186 | ** path of the directory of the executable file of the current process. | ||
187 | */ | ||
188 | #define LUA_LDIR "!\\lua\\" | ||
189 | #define LUA_CDIR "!\\" | ||
190 | #define LUA_SHRDIR "!\\..\\share\\lua\\" LUA_VDIR "\\" | ||
191 | #define LUA_PATH_DEFAULT \ | ||
192 | LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \ | ||
193 | LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua;" \ | ||
194 | LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \ | ||
195 | ".\\?.lua;" ".\\?\\init.lua" | ||
196 | #define LUA_CPATH_DEFAULT \ | ||
197 | LUA_CDIR"?.dll;" \ | ||
198 | LUA_CDIR"..\\lib\\lua\\" LUA_VDIR "\\?.dll;" \ | ||
199 | LUA_CDIR"loadall.dll;" ".\\?.dll" | ||
200 | |||
201 | #else /* }{ */ | ||
202 | |||
203 | #define LUA_ROOT "/usr/local/" | ||
204 | #define LUA_LDIR LUA_ROOT "share/lua/" LUA_VDIR "/" | ||
205 | #define LUA_CDIR LUA_ROOT "lib/lua/" LUA_VDIR "/" | ||
206 | #define LUA_PATH_DEFAULT \ | ||
207 | LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua;" \ | ||
208 | LUA_CDIR"?.lua;" LUA_CDIR"?/init.lua;" \ | ||
209 | "./?.lua;" "./?/init.lua" | ||
210 | #define LUA_CPATH_DEFAULT \ | ||
211 | LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so" | ||
212 | #endif /* } */ | ||
213 | |||
214 | |||
215 | /* | ||
216 | @@ LUA_DIRSEP is the directory separator (for submodules). | ||
217 | ** CHANGE it if your machine does not use "/" as the directory separator | ||
218 | ** and is not Windows. (On Windows Lua automatically uses "\".) | ||
219 | */ | ||
220 | #if defined(_WIN32) | ||
221 | #define LUA_DIRSEP "\\" | ||
222 | #else | ||
223 | #define LUA_DIRSEP "/" | ||
224 | #endif | ||
225 | |||
226 | /* }================================================================== */ | ||
227 | |||
228 | |||
229 | /* | ||
230 | ** {================================================================== | ||
231 | ** Marks for exported symbols in the C code | ||
232 | ** =================================================================== | ||
233 | */ | ||
234 | |||
235 | /* | ||
236 | @@ LUA_API is a mark for all core API functions. | ||
237 | @@ LUALIB_API is a mark for all auxiliary library functions. | ||
238 | @@ LUAMOD_API is a mark for all standard library opening functions. | ||
239 | ** CHANGE them if you need to define those functions in some special way. | ||
240 | ** For instance, if you want to create one Windows DLL with the core and | ||
241 | ** the libraries, you may want to use the following definition (define | ||
242 | ** LUA_BUILD_AS_DLL to get it). | ||
243 | */ | ||
244 | #if defined(LUA_BUILD_AS_DLL) /* { */ | ||
245 | |||
246 | #if defined(LUA_CORE) || defined(LUA_LIB) /* { */ | ||
247 | #define LUA_API __declspec(dllexport) | ||
248 | #else /* }{ */ | ||
249 | #define LUA_API __declspec(dllimport) | ||
250 | #endif /* } */ | ||
251 | |||
252 | #else /* }{ */ | ||
253 | |||
254 | #define LUA_API extern | ||
255 | |||
256 | #endif /* } */ | ||
257 | |||
258 | |||
259 | /* more often than not the libs go together with the core */ | ||
260 | #define LUALIB_API LUA_API | ||
261 | #define LUAMOD_API LUALIB_API | ||
262 | |||
263 | |||
264 | /* | ||
265 | @@ LUAI_FUNC is a mark for all extern functions that are not to be | ||
266 | ** exported to outside modules. | ||
267 | @@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables | ||
268 | ** that are not to be exported to outside modules (LUAI_DDEF for | ||
269 | ** definitions and LUAI_DDEC for declarations). | ||
270 | ** CHANGE them if you need to mark them in some special way. Elf/gcc | ||
271 | ** (versions 3.2 and later) mark them as "hidden" to optimize access | ||
272 | ** when Lua is compiled as a shared library. Not all elf targets support | ||
273 | ** this attribute. Unfortunately, gcc does not offer a way to check | ||
274 | ** whether the target offers that support, and those without support | ||
275 | ** give a warning about it. To avoid these warnings, change to the | ||
276 | ** default definition. | ||
277 | */ | ||
278 | #if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \ | ||
279 | defined(__ELF__) /* { */ | ||
280 | #define LUAI_FUNC __attribute__((visibility("hidden"))) extern | ||
281 | #else /* }{ */ | ||
282 | #define LUAI_FUNC extern | ||
283 | #endif /* } */ | ||
284 | |||
285 | #define LUAI_DDEC LUAI_FUNC | ||
286 | #define LUAI_DDEF /* empty */ | ||
287 | |||
288 | /* }================================================================== */ | ||
289 | |||
290 | |||
291 | /* | ||
292 | ** {================================================================== | ||
293 | ** Compatibility with previous versions | ||
294 | ** =================================================================== | ||
295 | */ | ||
296 | |||
297 | /* | ||
298 | @@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2. | ||
299 | @@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1. | ||
300 | ** You can define it to get all options, or change specific options | ||
301 | ** to fit your specific needs. | ||
302 | */ | ||
303 | #if defined(LUA_COMPAT_5_2) /* { */ | ||
304 | |||
305 | /* | ||
306 | @@ LUA_COMPAT_MATHLIB controls the presence of several deprecated | ||
307 | ** functions in the mathematical library. | ||
308 | */ | ||
309 | #define LUA_COMPAT_MATHLIB | ||
310 | |||
311 | /* | ||
312 | @@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'. | ||
313 | */ | ||
314 | #define LUA_COMPAT_BITLIB | ||
315 | |||
316 | /* | ||
317 | @@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod. | ||
318 | */ | ||
319 | #define LUA_COMPAT_IPAIRS | ||
320 | |||
321 | /* | ||
322 | @@ LUA_COMPAT_APIINTCASTS controls the presence of macros for | ||
323 | ** manipulating other integer types (lua_pushunsigned, lua_tounsigned, | ||
324 | ** luaL_checkint, luaL_checklong, etc.) | ||
325 | */ | ||
326 | #define LUA_COMPAT_APIINTCASTS | ||
327 | |||
328 | #endif /* } */ | ||
329 | |||
330 | |||
331 | #if defined(LUA_COMPAT_5_1) /* { */ | ||
332 | |||
333 | /* Incompatibilities from 5.2 -> 5.3 */ | ||
334 | #define LUA_COMPAT_MATHLIB | ||
335 | #define LUA_COMPAT_APIINTCASTS | ||
336 | |||
337 | /* | ||
338 | @@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'. | ||
339 | ** You can replace it with 'table.unpack'. | ||
340 | */ | ||
341 | #define LUA_COMPAT_UNPACK | ||
342 | |||
343 | /* | ||
344 | @@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'. | ||
345 | ** You can replace it with 'package.searchers'. | ||
346 | */ | ||
347 | #define LUA_COMPAT_LOADERS | ||
348 | |||
349 | /* | ||
350 | @@ macro 'lua_cpcall' emulates deprecated function lua_cpcall. | ||
351 | ** You can call your C function directly (with light C functions). | ||
352 | */ | ||
353 | #define lua_cpcall(L,f,u) \ | ||
354 | (lua_pushcfunction(L, (f)), \ | ||
355 | lua_pushlightuserdata(L,(u)), \ | ||
356 | lua_pcall(L,1,0,0)) | ||
357 | |||
358 | |||
359 | /* | ||
360 | @@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library. | ||
361 | ** You can rewrite 'log10(x)' as 'log(x, 10)'. | ||
362 | */ | ||
363 | #define LUA_COMPAT_LOG10 | ||
364 | |||
365 | /* | ||
366 | @@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base | ||
367 | ** library. You can rewrite 'loadstring(s)' as 'load(s)'. | ||
368 | */ | ||
369 | #define LUA_COMPAT_LOADSTRING | ||
370 | |||
371 | /* | ||
372 | @@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library. | ||
373 | */ | ||
374 | #define LUA_COMPAT_MAXN | ||
375 | |||
376 | /* | ||
377 | @@ The following macros supply trivial compatibility for some | ||
378 | ** changes in the API. The macros themselves document how to | ||
379 | ** change your code to avoid using them. | ||
380 | */ | ||
381 | #define lua_strlen(L,i) lua_rawlen(L, (i)) | ||
382 | |||
383 | #define lua_objlen(L,i) lua_rawlen(L, (i)) | ||
384 | |||
385 | #define lua_equal(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPEQ) | ||
386 | #define lua_lessthan(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPLT) | ||
387 | |||
388 | /* | ||
389 | @@ LUA_COMPAT_MODULE controls compatibility with previous | ||
390 | ** module functions 'module' (Lua) and 'luaL_register' (C). | ||
391 | */ | ||
392 | #define LUA_COMPAT_MODULE | ||
393 | |||
394 | #endif /* } */ | ||
395 | |||
396 | |||
397 | /* | ||
398 | @@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a | ||
399 | @@ a float mark ('.0'). | ||
400 | ** This macro is not on by default even in compatibility mode, | ||
401 | ** because this is not really an incompatibility. | ||
402 | */ | ||
403 | /* #define LUA_COMPAT_FLOATSTRING */ | ||
404 | |||
405 | /* }================================================================== */ | ||
406 | |||
407 | |||
408 | |||
409 | /* | ||
410 | ** {================================================================== | ||
411 | ** Configuration for Numbers. | ||
412 | ** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_* | ||
413 | ** satisfy your needs. | ||
414 | ** =================================================================== | ||
415 | */ | ||
416 | |||
417 | /* | ||
418 | @@ LUA_NUMBER is the floating-point type used by Lua. | ||
419 | @@ LUAI_UACNUMBER is the result of a 'default argument promotion' | ||
420 | @@ over a floating number. | ||
421 | @@ l_mathlim(x) corrects limit name 'x' to the proper float type | ||
422 | ** by prefixing it with one of FLT/DBL/LDBL. | ||
423 | @@ LUA_NUMBER_FRMLEN is the length modifier for writing floats. | ||
424 | @@ LUA_NUMBER_FMT is the format for writing floats. | ||
425 | @@ lua_number2str converts a float to a string. | ||
426 | @@ l_mathop allows the addition of an 'l' or 'f' to all math operations. | ||
427 | @@ l_floor takes the floor of a float. | ||
428 | @@ lua_str2number converts a decimal numeric string to a number. | ||
429 | */ | ||
430 | |||
431 | |||
432 | /* The following definitions are good for most cases here */ | ||
433 | |||
434 | #define l_floor(x) (l_mathop(floor)(x)) | ||
435 | |||
436 | #define lua_number2str(s,sz,n) \ | ||
437 | l_sprintf((s), sz, LUA_NUMBER_FMT, (LUAI_UACNUMBER)(n)) | ||
438 | |||
439 | /* | ||
440 | @@ lua_numbertointeger converts a float number to an integer, or | ||
441 | ** returns 0 if float is not within the range of a lua_Integer. | ||
442 | ** (The range comparisons are tricky because of rounding. The tests | ||
443 | ** here assume a two-complement representation, where MININTEGER always | ||
444 | ** has an exact representation as a float; MAXINTEGER may not have one, | ||
445 | ** and therefore its conversion to float may have an ill-defined value.) | ||
446 | */ | ||
447 | #define lua_numbertointeger(n,p) \ | ||
448 | ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \ | ||
449 | (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \ | ||
450 | (*(p) = (LUA_INTEGER)(n), 1)) | ||
451 | |||
452 | |||
453 | /* now the variable definitions */ | ||
454 | |||
455 | #if LUA_FLOAT_TYPE == LUA_FLOAT_FLOAT /* { single float */ | ||
456 | |||
457 | #define LUA_NUMBER float | ||
458 | |||
459 | #define l_mathlim(n) (FLT_##n) | ||
460 | |||
461 | #define LUAI_UACNUMBER double | ||
462 | |||
463 | #define LUA_NUMBER_FRMLEN "" | ||
464 | #define LUA_NUMBER_FMT "%.7g" | ||
465 | |||
466 | #define l_mathop(op) op##f | ||
467 | |||
468 | #define lua_str2number(s,p) strtof((s), (p)) | ||
469 | |||
470 | |||
471 | #elif LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE /* }{ long double */ | ||
472 | |||
473 | #define LUA_NUMBER long double | ||
474 | |||
475 | #define l_mathlim(n) (LDBL_##n) | ||
476 | |||
477 | #define LUAI_UACNUMBER long double | ||
478 | |||
479 | #define LUA_NUMBER_FRMLEN "L" | ||
480 | #define LUA_NUMBER_FMT "%.19Lg" | ||
481 | |||
482 | #define l_mathop(op) op##l | ||
483 | |||
484 | #define lua_str2number(s,p) strtold((s), (p)) | ||
485 | |||
486 | #elif LUA_FLOAT_TYPE == LUA_FLOAT_DOUBLE /* }{ double */ | ||
487 | |||
488 | #define LUA_NUMBER double | ||
489 | |||
490 | #define l_mathlim(n) (DBL_##n) | ||
491 | |||
492 | #define LUAI_UACNUMBER double | ||
493 | |||
494 | #define LUA_NUMBER_FRMLEN "" | ||
495 | #define LUA_NUMBER_FMT "%.14g" | ||
496 | |||
497 | #define l_mathop(op) op | ||
498 | |||
499 | #define lua_str2number(s,p) strtod((s), (p)) | ||
500 | |||
501 | #else /* }{ */ | ||
502 | |||
503 | #error "numeric float type not defined" | ||
504 | |||
505 | #endif /* } */ | ||
506 | |||
507 | |||
508 | |||
509 | /* | ||
510 | @@ LUA_INTEGER is the integer type used by Lua. | ||
511 | ** | ||
512 | @@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER. | ||
513 | ** | ||
514 | @@ LUAI_UACINT is the result of a 'default argument promotion' | ||
515 | @@ over a lUA_INTEGER. | ||
516 | @@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers. | ||
517 | @@ LUA_INTEGER_FMT is the format for writing integers. | ||
518 | @@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER. | ||
519 | @@ LUA_MININTEGER is the minimum value for a LUA_INTEGER. | ||
520 | @@ lua_integer2str converts an integer to a string. | ||
521 | */ | ||
522 | |||
523 | |||
524 | /* The following definitions are good for most cases here */ | ||
525 | |||
526 | #define LUA_INTEGER_FMT "%" LUA_INTEGER_FRMLEN "d" | ||
527 | |||
528 | #define LUAI_UACINT LUA_INTEGER | ||
529 | |||
530 | #define lua_integer2str(s,sz,n) \ | ||
531 | l_sprintf((s), sz, LUA_INTEGER_FMT, (LUAI_UACINT)(n)) | ||
532 | |||
533 | /* | ||
534 | ** use LUAI_UACINT here to avoid problems with promotions (which | ||
535 | ** can turn a comparison between unsigneds into a signed comparison) | ||
536 | */ | ||
537 | #define LUA_UNSIGNED unsigned LUAI_UACINT | ||
538 | |||
539 | |||
540 | /* now the variable definitions */ | ||
541 | |||
542 | #if LUA_INT_TYPE == LUA_INT_INT /* { int */ | ||
543 | |||
544 | #define LUA_INTEGER int | ||
545 | #define LUA_INTEGER_FRMLEN "" | ||
546 | |||
547 | #define LUA_MAXINTEGER INT_MAX | ||
548 | #define LUA_MININTEGER INT_MIN | ||
549 | |||
550 | #elif LUA_INT_TYPE == LUA_INT_LONG /* }{ long */ | ||
551 | |||
552 | #define LUA_INTEGER long | ||
553 | #define LUA_INTEGER_FRMLEN "l" | ||
554 | |||
555 | #define LUA_MAXINTEGER LONG_MAX | ||
556 | #define LUA_MININTEGER LONG_MIN | ||
557 | |||
558 | #elif LUA_INT_TYPE == LUA_INT_LONGLONG /* }{ long long */ | ||
559 | |||
560 | /* use presence of macro LLONG_MAX as proxy for C99 compliance */ | ||
561 | #if defined(LLONG_MAX) /* { */ | ||
562 | /* use ISO C99 stuff */ | ||
563 | |||
564 | #define LUA_INTEGER long long | ||
565 | #define LUA_INTEGER_FRMLEN "ll" | ||
566 | |||
567 | #define LUA_MAXINTEGER LLONG_MAX | ||
568 | #define LUA_MININTEGER LLONG_MIN | ||
569 | |||
570 | #elif defined(LUA_USE_WINDOWS) /* }{ */ | ||
571 | /* in Windows, can use specific Windows types */ | ||
572 | |||
573 | #define LUA_INTEGER __int64 | ||
574 | #define LUA_INTEGER_FRMLEN "I64" | ||
575 | |||
576 | #define LUA_MAXINTEGER _I64_MAX | ||
577 | #define LUA_MININTEGER _I64_MIN | ||
578 | |||
579 | #else /* }{ */ | ||
580 | |||
581 | #error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \ | ||
582 | or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)" | ||
583 | |||
584 | #endif /* } */ | ||
585 | |||
586 | #else /* }{ */ | ||
587 | |||
588 | #error "numeric integer type not defined" | ||
589 | |||
590 | #endif /* } */ | ||
591 | |||
592 | /* }================================================================== */ | ||
593 | |||
594 | |||
595 | /* | ||
596 | ** {================================================================== | ||
597 | ** Dependencies with C99 and other C details | ||
598 | ** =================================================================== | ||
599 | */ | ||
600 | |||
601 | /* | ||
602 | @@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89. | ||
603 | ** (All uses in Lua have only one format item.) | ||
604 | */ | ||
605 | #if !defined(LUA_USE_C89) | ||
606 | #define l_sprintf(s,sz,f,i) snprintf(s,sz,f,i) | ||
607 | #else | ||
608 | #define l_sprintf(s,sz,f,i) ((void)(sz), sprintf(s,f,i)) | ||
609 | #endif | ||
610 | |||
611 | |||
612 | /* | ||
613 | @@ lua_strx2number converts an hexadecimal numeric string to a number. | ||
614 | ** In C99, 'strtod' does that conversion. Otherwise, you can | ||
615 | ** leave 'lua_strx2number' undefined and Lua will provide its own | ||
616 | ** implementation. | ||
617 | */ | ||
618 | #if !defined(LUA_USE_C89) | ||
619 | #define lua_strx2number(s,p) lua_str2number(s,p) | ||
620 | #endif | ||
621 | |||
622 | |||
623 | /* | ||
624 | @@ lua_pointer2str converts a pointer to a readable string in a | ||
625 | ** non-specified way. | ||
626 | */ | ||
627 | #define lua_pointer2str(buff,sz,p) l_sprintf(buff,sz,"%p",p) | ||
628 | |||
629 | |||
630 | /* | ||
631 | @@ lua_number2strx converts a float to an hexadecimal numeric string. | ||
632 | ** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that. | ||
633 | ** Otherwise, you can leave 'lua_number2strx' undefined and Lua will | ||
634 | ** provide its own implementation. | ||
635 | */ | ||
636 | #if !defined(LUA_USE_C89) | ||
637 | #define lua_number2strx(L,b,sz,f,n) \ | ||
638 | ((void)L, l_sprintf(b,sz,f,(LUAI_UACNUMBER)(n))) | ||
639 | #endif | ||
640 | |||
641 | |||
642 | /* | ||
643 | ** 'strtof' and 'opf' variants for math functions are not valid in | ||
644 | ** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the | ||
645 | ** availability of these variants. ('math.h' is already included in | ||
646 | ** all files that use these macros.) | ||
647 | */ | ||
648 | #if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF)) | ||
649 | #undef l_mathop /* variants not available */ | ||
650 | #undef lua_str2number | ||
651 | #define l_mathop(op) (lua_Number)op /* no variant */ | ||
652 | #define lua_str2number(s,p) ((lua_Number)strtod((s), (p))) | ||
653 | #endif | ||
654 | |||
655 | |||
656 | /* | ||
657 | @@ LUA_KCONTEXT is the type of the context ('ctx') for continuation | ||
658 | ** functions. It must be a numerical type; Lua will use 'intptr_t' if | ||
659 | ** available, otherwise it will use 'ptrdiff_t' (the nearest thing to | ||
660 | ** 'intptr_t' in C89) | ||
661 | */ | ||
662 | #define LUA_KCONTEXT ptrdiff_t | ||
663 | |||
664 | #if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \ | ||
665 | __STDC_VERSION__ >= 199901L | ||
666 | #include <stdint.h> | ||
667 | #if defined(INTPTR_MAX) /* even in C99 this type is optional */ | ||
668 | #undef LUA_KCONTEXT | ||
669 | #define LUA_KCONTEXT intptr_t | ||
670 | #endif | ||
671 | #endif | ||
672 | |||
673 | |||
674 | /* | ||
675 | @@ lua_getlocaledecpoint gets the locale "radix character" (decimal point). | ||
676 | ** Change that if you do not want to use C locales. (Code using this | ||
677 | ** macro must include header 'locale.h'.) | ||
678 | */ | ||
679 | #if !defined(lua_getlocaledecpoint) | ||
680 | #define lua_getlocaledecpoint() (localeconv()->decimal_point[0]) | ||
681 | #endif | ||
682 | |||
683 | /* }================================================================== */ | ||
684 | |||
685 | |||
686 | /* | ||
687 | ** {================================================================== | ||
688 | ** Language Variations | ||
689 | ** ===================================================================== | ||
690 | */ | ||
691 | |||
692 | /* | ||
693 | @@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some | ||
694 | ** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from | ||
695 | ** numbers to strings. Define LUA_NOCVTS2N to turn off automatic | ||
696 | ** coercion from strings to numbers. | ||
697 | */ | ||
698 | /* #define LUA_NOCVTN2S */ | ||
699 | /* #define LUA_NOCVTS2N */ | ||
700 | |||
701 | |||
702 | /* | ||
703 | @@ LUA_USE_APICHECK turns on several consistency checks on the C API. | ||
704 | ** Define it as a help when debugging C code. | ||
705 | */ | ||
706 | #if defined(LUA_USE_APICHECK) | ||
707 | #include <assert.h> | ||
708 | #define luai_apicheck(l,e) assert(e) | ||
709 | #endif | ||
710 | |||
711 | /* }================================================================== */ | ||
712 | |||
713 | |||
714 | /* | ||
715 | ** {================================================================== | ||
716 | ** Macros that affect the API and must be stable (that is, must be the | ||
717 | ** same when you compile Lua and when you compile code that links to | ||
718 | ** Lua). You probably do not want/need to change them. | ||
719 | ** ===================================================================== | ||
720 | */ | ||
721 | |||
722 | /* | ||
723 | @@ LUAI_MAXSTACK limits the size of the Lua stack. | ||
724 | ** CHANGE it if you need a different limit. This limit is arbitrary; | ||
725 | ** its only purpose is to stop Lua from consuming unlimited stack | ||
726 | ** space (and to reserve some numbers for pseudo-indices). | ||
727 | */ | ||
728 | #if LUAI_BITSINT >= 32 | ||
729 | #define LUAI_MAXSTACK 1000000 | ||
730 | #else | ||
731 | #define LUAI_MAXSTACK 15000 | ||
732 | #endif | ||
733 | |||
734 | |||
735 | /* | ||
736 | @@ LUA_EXTRASPACE defines the size of a raw memory area associated with | ||
737 | ** a Lua state with very fast access. | ||
738 | ** CHANGE it if you need a different size. | ||
739 | */ | ||
740 | #define LUA_EXTRASPACE (sizeof(void *)) | ||
741 | |||
742 | |||
743 | /* | ||
744 | @@ LUA_IDSIZE gives the maximum size for the description of the source | ||
745 | @@ of a function in debug information. | ||
746 | ** CHANGE it if you want a different size. | ||
747 | */ | ||
748 | #define LUA_IDSIZE 60 | ||
749 | |||
750 | |||
751 | /* | ||
752 | @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system. | ||
753 | ** CHANGE it if it uses too much C-stack space. (For long double, | ||
754 | ** 'string.format("%.99f", -1e4932)' needs 5034 bytes, so a | ||
755 | ** smaller buffer would force a memory allocation for each call to | ||
756 | ** 'string.format'.) | ||
757 | */ | ||
758 | #if LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE | ||
759 | #define LUAL_BUFFERSIZE 8192 | ||
760 | #else | ||
761 | #define LUAL_BUFFERSIZE ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer))) | ||
762 | #endif | ||
763 | |||
764 | /* }================================================================== */ | ||
765 | |||
766 | |||
767 | /* | ||
768 | @@ LUA_QL describes how error messages quote program elements. | ||
769 | ** Lua does not use these macros anymore; they are here for | ||
770 | ** compatibility only. | ||
771 | */ | ||
772 | #define LUA_QL(x) "'" x "'" | ||
773 | #define LUA_QS LUA_QL("%s") | ||
774 | |||
775 | |||
776 | |||
777 | |||
778 | /* =================================================================== */ | ||
779 | |||
780 | /* | ||
781 | ** Local configuration. You can use this space to add your redefinitions | ||
782 | ** without modifying the main part of the file. | ||
783 | */ | ||
784 | |||
785 | |||
786 | |||
787 | |||
788 | |||
789 | #endif | ||
790 | |||