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Diffstat (limited to 'src/lua-5.3/lauxlib.h')
-rw-r--r-- | src/lua-5.3/lauxlib.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/src/lua-5.3/lauxlib.h b/src/lua-5.3/lauxlib.h new file mode 100644 index 0000000..9857d3a --- /dev/null +++ b/src/lua-5.3/lauxlib.h | |||
@@ -0,0 +1,264 @@ | |||
1 | /* | ||
2 | ** $Id: lauxlib.h,v 1.131.1.1 2017/04/19 17:20:42 roberto Exp $ | ||
3 | ** Auxiliary functions for building Lua libraries | ||
4 | ** See Copyright Notice in lua.h | ||
5 | */ | ||
6 | |||
7 | |||
8 | #ifndef lauxlib_h | ||
9 | #define lauxlib_h | ||
10 | |||
11 | |||
12 | #include <stddef.h> | ||
13 | #include <stdio.h> | ||
14 | |||
15 | #include "lua.h" | ||
16 | |||
17 | |||
18 | |||
19 | /* extra error code for 'luaL_loadfilex' */ | ||
20 | #define LUA_ERRFILE (LUA_ERRERR+1) | ||
21 | |||
22 | |||
23 | /* key, in the registry, for table of loaded modules */ | ||
24 | #define LUA_LOADED_TABLE "_LOADED" | ||
25 | |||
26 | |||
27 | /* key, in the registry, for table of preloaded loaders */ | ||
28 | #define LUA_PRELOAD_TABLE "_PRELOAD" | ||
29 | |||
30 | |||
31 | typedef struct luaL_Reg { | ||
32 | const char *name; | ||
33 | lua_CFunction func; | ||
34 | } luaL_Reg; | ||
35 | |||
36 | |||
37 | #define LUAL_NUMSIZES (sizeof(lua_Integer)*16 + sizeof(lua_Number)) | ||
38 | |||
39 | LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver, size_t sz); | ||
40 | #define luaL_checkversion(L) \ | ||
41 | luaL_checkversion_(L, LUA_VERSION_NUM, LUAL_NUMSIZES) | ||
42 | |||
43 | LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e); | ||
44 | LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e); | ||
45 | LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len); | ||
46 | LUALIB_API int (luaL_argerror) (lua_State *L, int arg, const char *extramsg); | ||
47 | LUALIB_API const char *(luaL_checklstring) (lua_State *L, int arg, | ||
48 | size_t *l); | ||
49 | LUALIB_API const char *(luaL_optlstring) (lua_State *L, int arg, | ||
50 | const char *def, size_t *l); | ||
51 | LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int arg); | ||
52 | LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int arg, lua_Number def); | ||
53 | |||
54 | LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int arg); | ||
55 | LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int arg, | ||
56 | lua_Integer def); | ||
57 | |||
58 | LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg); | ||
59 | LUALIB_API void (luaL_checktype) (lua_State *L, int arg, int t); | ||
60 | LUALIB_API void (luaL_checkany) (lua_State *L, int arg); | ||
61 | |||
62 | LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname); | ||
63 | LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname); | ||
64 | LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname); | ||
65 | LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname); | ||
66 | |||
67 | LUALIB_API void (luaL_where) (lua_State *L, int lvl); | ||
68 | LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...); | ||
69 | |||
70 | LUALIB_API int (luaL_checkoption) (lua_State *L, int arg, const char *def, | ||
71 | const char *const lst[]); | ||
72 | |||
73 | LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname); | ||
74 | LUALIB_API int (luaL_execresult) (lua_State *L, int stat); | ||
75 | |||
76 | /* predefined references */ | ||
77 | #define LUA_NOREF (-2) | ||
78 | #define LUA_REFNIL (-1) | ||
79 | |||
80 | LUALIB_API int (luaL_ref) (lua_State *L, int t); | ||
81 | LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref); | ||
82 | |||
83 | LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename, | ||
84 | const char *mode); | ||
85 | |||
86 | #define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL) | ||
87 | |||
88 | LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz, | ||
89 | const char *name, const char *mode); | ||
90 | LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s); | ||
91 | |||
92 | LUALIB_API lua_State *(luaL_newstate) (void); | ||
93 | |||
94 | LUALIB_API lua_Integer (luaL_len) (lua_State *L, int idx); | ||
95 | |||
96 | LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p, | ||
97 | const char *r); | ||
98 | |||
99 | LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup); | ||
100 | |||
101 | LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname); | ||
102 | |||
103 | LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1, | ||
104 | const char *msg, int level); | ||
105 | |||
106 | LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname, | ||
107 | lua_CFunction openf, int glb); | ||
108 | |||
109 | /* | ||
110 | ** =============================================================== | ||
111 | ** some useful macros | ||
112 | ** =============================================================== | ||
113 | */ | ||
114 | |||
115 | |||
116 | #define luaL_newlibtable(L,l) \ | ||
117 | lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1) | ||
118 | |||
119 | #define luaL_newlib(L,l) \ | ||
120 | (luaL_checkversion(L), luaL_newlibtable(L,l), luaL_setfuncs(L,l,0)) | ||
121 | |||
122 | #define luaL_argcheck(L, cond,arg,extramsg) \ | ||
123 | ((void)((cond) || luaL_argerror(L, (arg), (extramsg)))) | ||
124 | #define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL)) | ||
125 | #define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL)) | ||
126 | |||
127 | #define luaL_typename(L,i) lua_typename(L, lua_type(L,(i))) | ||
128 | |||
129 | #define luaL_dofile(L, fn) \ | ||
130 | (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0)) | ||
131 | |||
132 | #define luaL_dostring(L, s) \ | ||
133 | (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0)) | ||
134 | |||
135 | #define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n))) | ||
136 | |||
137 | #define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n))) | ||
138 | |||
139 | #define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL) | ||
140 | |||
141 | |||
142 | /* | ||
143 | ** {====================================================== | ||
144 | ** Generic Buffer manipulation | ||
145 | ** ======================================================= | ||
146 | */ | ||
147 | |||
148 | typedef struct luaL_Buffer { | ||
149 | char *b; /* buffer address */ | ||
150 | size_t size; /* buffer size */ | ||
151 | size_t n; /* number of characters in buffer */ | ||
152 | lua_State *L; | ||
153 | char initb[LUAL_BUFFERSIZE]; /* initial buffer */ | ||
154 | } luaL_Buffer; | ||
155 | |||
156 | |||
157 | #define luaL_addchar(B,c) \ | ||
158 | ((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \ | ||
159 | ((B)->b[(B)->n++] = (c))) | ||
160 | |||
161 | #define luaL_addsize(B,s) ((B)->n += (s)) | ||
162 | |||
163 | LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B); | ||
164 | LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz); | ||
165 | LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); | ||
166 | LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s); | ||
167 | LUALIB_API void (luaL_addvalue) (luaL_Buffer *B); | ||
168 | LUALIB_API void (luaL_pushresult) (luaL_Buffer *B); | ||
169 | LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz); | ||
170 | LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz); | ||
171 | |||
172 | #define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE) | ||
173 | |||
174 | /* }====================================================== */ | ||
175 | |||
176 | |||
177 | |||
178 | /* | ||
179 | ** {====================================================== | ||
180 | ** File handles for IO library | ||
181 | ** ======================================================= | ||
182 | */ | ||
183 | |||
184 | /* | ||
185 | ** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and | ||
186 | ** initial structure 'luaL_Stream' (it may contain other fields | ||
187 | ** after that initial structure). | ||
188 | */ | ||
189 | |||
190 | #define LUA_FILEHANDLE "FILE*" | ||
191 | |||
192 | |||
193 | typedef struct luaL_Stream { | ||
194 | FILE *f; /* stream (NULL for incompletely created streams) */ | ||
195 | lua_CFunction closef; /* to close stream (NULL for closed streams) */ | ||
196 | } luaL_Stream; | ||
197 | |||
198 | /* }====================================================== */ | ||
199 | |||
200 | |||
201 | |||
202 | /* compatibility with old module system */ | ||
203 | #if defined(LUA_COMPAT_MODULE) | ||
204 | |||
205 | LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname, | ||
206 | int sizehint); | ||
207 | LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname, | ||
208 | const luaL_Reg *l, int nup); | ||
209 | |||
210 | #define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0)) | ||
211 | |||
212 | #endif | ||
213 | |||
214 | |||
215 | /* | ||
216 | ** {================================================================== | ||
217 | ** "Abstraction Layer" for basic report of messages and errors | ||
218 | ** =================================================================== | ||
219 | */ | ||
220 | |||
221 | /* print a string */ | ||
222 | #if !defined(lua_writestring) | ||
223 | #define lua_writestring(s,l) fwrite((s), sizeof(char), (l), stdout) | ||
224 | #endif | ||
225 | |||
226 | /* print a newline and flush the output */ | ||
227 | #if !defined(lua_writeline) | ||
228 | #define lua_writeline() (lua_writestring("\n", 1), fflush(stdout)) | ||
229 | #endif | ||
230 | |||
231 | /* print an error message */ | ||
232 | #if !defined(lua_writestringerror) | ||
233 | #define lua_writestringerror(s,p) \ | ||
234 | (fprintf(stderr, (s), (p)), fflush(stderr)) | ||
235 | #endif | ||
236 | |||
237 | /* }================================================================== */ | ||
238 | |||
239 | |||
240 | /* | ||
241 | ** {============================================================ | ||
242 | ** Compatibility with deprecated conversions | ||
243 | ** ============================================================= | ||
244 | */ | ||
245 | #if defined(LUA_COMPAT_APIINTCASTS) | ||
246 | |||
247 | #define luaL_checkunsigned(L,a) ((lua_Unsigned)luaL_checkinteger(L,a)) | ||
248 | #define luaL_optunsigned(L,a,d) \ | ||
249 | ((lua_Unsigned)luaL_optinteger(L,a,(lua_Integer)(d))) | ||
250 | |||
251 | #define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n))) | ||
252 | #define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d))) | ||
253 | |||
254 | #define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n))) | ||
255 | #define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d))) | ||
256 | |||
257 | #endif | ||
258 | /* }============================================================ */ | ||
259 | |||
260 | |||
261 | |||
262 | #endif | ||
263 | |||
264 | |||