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16a5fed6 | 1 | /*\r |
2 | ** $Id: lauxlib.h,v 1.120.1.1 2013/04/12 18:48:47 roberto Exp $\r | |
3 | ** Auxiliary functions for building Lua libraries\r | |
4 | ** See Copyright Notice in lua.h\r | |
5 | */\r | |
6 | \r | |
7 | \r | |
8 | #ifndef lauxlib_h\r | |
9 | #define lauxlib_h\r | |
10 | \r | |
11 | \r | |
12 | #include <stddef.h>\r | |
13 | #include <stdio.h>\r | |
14 | \r | |
15 | #include <Lua/lua.h>\r | |
16 | \r | |
17 | \r | |
18 | \r | |
19 | /* extra error code for `luaL_load' */\r | |
20 | #define LUA_ERRFILE (LUA_ERRERR+1)\r | |
21 | \r | |
22 | \r | |
23 | typedef struct luaL_Reg {\r | |
24 | const char *name;\r | |
25 | lua_CFunction func;\r | |
26 | } luaL_Reg;\r | |
27 | \r | |
28 | \r | |
29 | LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver);\r | |
30 | #define luaL_checkversion(L) luaL_checkversion_(L, LUA_VERSION_NUM)\r | |
31 | \r | |
32 | LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);\r | |
33 | LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);\r | |
34 | LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len);\r | |
35 | LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);\r | |
36 | LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,\r | |
37 | size_t *l);\r | |
38 | LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,\r | |
39 | const char *def, size_t *l);\r | |
40 | LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);\r | |
41 | LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);\r | |
42 | \r | |
43 | LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);\r | |
44 | LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,\r | |
45 | lua_Integer def);\r | |
46 | LUALIB_API lua_Unsigned (luaL_checkunsigned) (lua_State *L, int numArg);\r | |
47 | LUALIB_API lua_Unsigned (luaL_optunsigned) (lua_State *L, int numArg,\r | |
48 | lua_Unsigned def);\r | |
49 | \r | |
50 | LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);\r | |
51 | LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);\r | |
52 | LUALIB_API void (luaL_checkany) (lua_State *L, int narg);\r | |
53 | \r | |
54 | LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);\r | |
55 | LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);\r | |
56 | LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);\r | |
57 | LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);\r | |
58 | \r | |
59 | LUALIB_API void (luaL_where) (lua_State *L, int lvl);\r | |
60 | LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);\r | |
61 | \r | |
62 | LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,\r | |
63 | const char *const lst[]);\r | |
64 | \r | |
65 | LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname);\r | |
66 | LUALIB_API int (luaL_execresult) (lua_State *L, int stat);\r | |
67 | \r | |
68 | /* pre-defined references */\r | |
69 | #define LUA_NOREF (-2)\r | |
70 | #define LUA_REFNIL (-1)\r | |
71 | \r | |
72 | LUALIB_API int (luaL_ref) (lua_State *L, int t);\r | |
73 | LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);\r | |
74 | \r | |
75 | LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,\r | |
76 | const char *mode);\r | |
77 | \r | |
78 | #define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL)\r | |
79 | \r | |
80 | LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,\r | |
81 | const char *name, const char *mode);\r | |
82 | LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);\r | |
83 | \r | |
84 | LUALIB_API lua_State *(luaL_newstate) (void);\r | |
85 | \r | |
86 | LUALIB_API int (luaL_len) (lua_State *L, int idx);\r | |
87 | \r | |
88 | LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,\r | |
89 | const char *r);\r | |
90 | \r | |
91 | LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);\r | |
92 | \r | |
93 | LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname);\r | |
94 | \r | |
95 | LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1,\r | |
96 | const char *msg, int level);\r | |
97 | \r | |
98 | LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,\r | |
99 | lua_CFunction openf, int glb);\r | |
100 | \r | |
101 | /*\r | |
102 | ** ===============================================================\r | |
103 | ** some useful macros\r | |
104 | ** ===============================================================\r | |
105 | */\r | |
106 | \r | |
107 | \r | |
108 | #define luaL_newlibtable(L,l) \\r | |
109 | lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)\r | |
110 | \r | |
111 | #define luaL_newlib(L,l) (luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))\r | |
112 | \r | |
113 | #define luaL_argcheck(L, cond,numarg,extramsg) \\r | |
114 | ((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))\r | |
115 | #define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))\r | |
116 | #define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))\r | |
117 | #define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))\r | |
118 | #define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))\r | |
119 | #define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))\r | |
120 | #define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))\r | |
121 | \r | |
122 | #define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))\r | |
123 | \r | |
124 | #define luaL_dofile(L, fn) \\r | |
125 | (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))\r | |
126 | \r | |
127 | #define luaL_dostring(L, s) \\r | |
128 | (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))\r | |
129 | \r | |
130 | #define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))\r | |
131 | \r | |
132 | #define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))\r | |
133 | \r | |
134 | #define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)\r | |
135 | \r | |
136 | \r | |
137 | /*\r | |
138 | ** {======================================================\r | |
139 | ** Generic Buffer manipulation\r | |
140 | ** =======================================================\r | |
141 | */\r | |
142 | \r | |
143 | typedef struct luaL_Buffer {\r | |
144 | char *b; /* buffer address */\r | |
145 | size_t size; /* buffer size */\r | |
146 | size_t n; /* number of characters in buffer */\r | |
147 | lua_State *L;\r | |
148 | char initb[LUAL_BUFFERSIZE]; /* initial buffer */\r | |
149 | } luaL_Buffer;\r | |
150 | \r | |
151 | \r | |
152 | #define luaL_addchar(B,c) \\r | |
153 | ((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \\r | |
154 | ((B)->b[(B)->n++] = (c)))\r | |
155 | \r | |
156 | #define luaL_addsize(B,s) ((B)->n += (s))\r | |
157 | \r | |
158 | LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);\r | |
159 | LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz);\r | |
160 | LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);\r | |
161 | LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);\r | |
162 | LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);\r | |
163 | LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);\r | |
164 | LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);\r | |
165 | LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);\r | |
166 | \r | |
167 | #define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE)\r | |
168 | \r | |
169 | /* }====================================================== */\r | |
170 | \r | |
171 | \r | |
172 | \r | |
173 | /*\r | |
174 | ** {======================================================\r | |
175 | ** File handles for IO library\r | |
176 | ** =======================================================\r | |
177 | */\r | |
178 | \r | |
179 | /*\r | |
180 | ** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and\r | |
181 | ** initial structure 'luaL_Stream' (it may contain other fields\r | |
182 | ** after that initial structure).\r | |
183 | */\r | |
184 | \r | |
185 | #define LUA_FILEHANDLE "FILE*"\r | |
186 | \r | |
187 | \r | |
188 | typedef struct luaL_Stream {\r | |
189 | FILE *f; /* stream (NULL for incompletely created streams) */\r | |
190 | lua_CFunction closef; /* to close stream (NULL for closed streams) */\r | |
191 | } luaL_Stream;\r | |
192 | \r | |
193 | /* }====================================================== */\r | |
194 | \r | |
195 | \r | |
196 | \r | |
197 | /* compatibility with old module system */\r | |
198 | #if defined(LUA_COMPAT_MODULE)\r | |
199 | \r | |
200 | LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,\r | |
201 | int sizehint);\r | |
202 | LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,\r | |
203 | const luaL_Reg *l, int nup);\r | |
204 | \r | |
205 | #define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0))\r | |
206 | \r | |
207 | #endif\r | |
208 | \r | |
209 | \r | |
210 | #endif\r | |
211 | \r | |
212 | \r |