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Diffstat (limited to 'lauxlib.h')
-rw-r--r-- | lauxlib.h | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/lauxlib.h b/lauxlib.h new file mode 100644 index 00000000..ac4d15fb --- /dev/null +++ b/lauxlib.h | |||
@@ -0,0 +1,212 @@ | |||
1 | /* | ||
2 | ** $Id: lauxlib.h,v 1.120 2011/11/29 15:55:08 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_load' */ | ||
20 | #define LUA_ERRFILE (LUA_ERRERR+1) | ||
21 | |||
22 | |||
23 | typedef struct luaL_Reg { | ||
24 | const char *name; | ||
25 | lua_CFunction func; | ||
26 | } luaL_Reg; | ||
27 | |||
28 | |||
29 | LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver); | ||
30 | #define luaL_checkversion(L) luaL_checkversion_(L, LUA_VERSION_NUM) | ||
31 | |||
32 | LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e); | ||
33 | LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e); | ||
34 | LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len); | ||
35 | LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg); | ||
36 | LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg, | ||
37 | size_t *l); | ||
38 | LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg, | ||
39 | const char *def, size_t *l); | ||
40 | LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg); | ||
41 | LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def); | ||
42 | |||
43 | LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg); | ||
44 | LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg, | ||
45 | lua_Integer def); | ||
46 | LUALIB_API lua_Unsigned (luaL_checkunsigned) (lua_State *L, int numArg); | ||
47 | LUALIB_API lua_Unsigned (luaL_optunsigned) (lua_State *L, int numArg, | ||
48 | lua_Unsigned def); | ||
49 | |||
50 | LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg); | ||
51 | LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t); | ||
52 | LUALIB_API void (luaL_checkany) (lua_State *L, int narg); | ||
53 | |||
54 | LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname); | ||
55 | LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname); | ||
56 | LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname); | ||
57 | LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname); | ||
58 | |||
59 | LUALIB_API void (luaL_where) (lua_State *L, int lvl); | ||
60 | LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...); | ||
61 | |||
62 | LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def, | ||
63 | const char *const lst[]); | ||
64 | |||
65 | LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname); | ||
66 | LUALIB_API int (luaL_execresult) (lua_State *L, int stat); | ||
67 | |||
68 | /* pre-defined references */ | ||
69 | #define LUA_NOREF (-2) | ||
70 | #define LUA_REFNIL (-1) | ||
71 | |||
72 | LUALIB_API int (luaL_ref) (lua_State *L, int t); | ||
73 | LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref); | ||
74 | |||
75 | LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename, | ||
76 | const char *mode); | ||
77 | |||
78 | #define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL) | ||
79 | |||
80 | LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz, | ||
81 | const char *name, const char *mode); | ||
82 | LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s); | ||
83 | |||
84 | LUALIB_API lua_State *(luaL_newstate) (void); | ||
85 | |||
86 | LUALIB_API int (luaL_len) (lua_State *L, int idx); | ||
87 | |||
88 | LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p, | ||
89 | const char *r); | ||
90 | |||
91 | LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup); | ||
92 | |||
93 | LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname); | ||
94 | |||
95 | LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1, | ||
96 | const char *msg, int level); | ||
97 | |||
98 | LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname, | ||
99 | lua_CFunction openf, int glb); | ||
100 | |||
101 | /* | ||
102 | ** =============================================================== | ||
103 | ** some useful macros | ||
104 | ** =============================================================== | ||
105 | */ | ||
106 | |||
107 | |||
108 | #define luaL_newlibtable(L,l) \ | ||
109 | lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1) | ||
110 | |||
111 | #define luaL_newlib(L,l) (luaL_newlibtable(L,l), luaL_setfuncs(L,l,0)) | ||
112 | |||
113 | #define luaL_argcheck(L, cond,numarg,extramsg) \ | ||
114 | ((void)((cond) || luaL_argerror(L, (numarg), (extramsg)))) | ||
115 | #define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL)) | ||
116 | #define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL)) | ||
117 | #define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n))) | ||
118 | #define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d))) | ||
119 | #define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n))) | ||
120 | #define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d))) | ||
121 | |||
122 | #define luaL_typename(L,i) lua_typename(L, lua_type(L,(i))) | ||
123 | |||
124 | #define luaL_dofile(L, fn) \ | ||
125 | (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0)) | ||
126 | |||
127 | #define luaL_dostring(L, s) \ | ||
128 | (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0)) | ||
129 | |||
130 | #define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n))) | ||
131 | |||
132 | #define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n))) | ||
133 | |||
134 | #define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL) | ||
135 | |||
136 | |||
137 | /* | ||
138 | ** {====================================================== | ||
139 | ** Generic Buffer manipulation | ||
140 | ** ======================================================= | ||
141 | */ | ||
142 | |||
143 | typedef struct luaL_Buffer { | ||
144 | char *b; /* buffer address */ | ||
145 | size_t size; /* buffer size */ | ||
146 | size_t n; /* number of characters in buffer */ | ||
147 | lua_State *L; | ||
148 | char initb[LUAL_BUFFERSIZE]; /* initial buffer */ | ||
149 | } luaL_Buffer; | ||
150 | |||
151 | |||
152 | #define luaL_addchar(B,c) \ | ||
153 | ((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \ | ||
154 | ((B)->b[(B)->n++] = (c))) | ||
155 | |||
156 | #define luaL_addsize(B,s) ((B)->n += (s)) | ||
157 | |||
158 | LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B); | ||
159 | LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz); | ||
160 | LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); | ||
161 | LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s); | ||
162 | LUALIB_API void (luaL_addvalue) (luaL_Buffer *B); | ||
163 | LUALIB_API void (luaL_pushresult) (luaL_Buffer *B); | ||
164 | LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz); | ||
165 | LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz); | ||
166 | |||
167 | #define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE) | ||
168 | |||
169 | /* }====================================================== */ | ||
170 | |||
171 | |||
172 | |||
173 | /* | ||
174 | ** {====================================================== | ||
175 | ** File handles for IO library | ||
176 | ** ======================================================= | ||
177 | */ | ||
178 | |||
179 | /* | ||
180 | ** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and | ||
181 | ** initial structure 'luaL_Stream' (it may contain other fields | ||
182 | ** after that initial structure). | ||
183 | */ | ||
184 | |||
185 | #define LUA_FILEHANDLE "FILE*" | ||
186 | |||
187 | |||
188 | typedef struct luaL_Stream { | ||
189 | FILE *f; /* stream (NULL for incompletely created streams) */ | ||
190 | lua_CFunction closef; /* to close stream (NULL for closed streams) */ | ||
191 | } luaL_Stream; | ||
192 | |||
193 | /* }====================================================== */ | ||
194 | |||
195 | |||
196 | |||
197 | /* compatibility with old module system */ | ||
198 | #if defined(LUA_COMPAT_MODULE) | ||
199 | |||
200 | LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname, | ||
201 | int sizehint); | ||
202 | LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname, | ||
203 | const luaL_Reg *l, int nup); | ||
204 | |||
205 | #define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0)) | ||
206 | |||
207 | #endif | ||
208 | |||
209 | |||
210 | #endif | ||
211 | |||
212 | |||