Lua 5.1.4: lauxlib.h
This is the public interface of the "Auxiliary Library".
L0001
L0006
L0007
L0008 #ifndef lauxlib_h
L0009 #define lauxlib_h
L0010
L0011
L0012 #include <stddef.h>
L0013 #include <stdio.h>
L0014
L0015 #include "lua.h"
L0016
L0017
L0018 #if defined(LUA_COMPAT_GETN)
L0019 LUALIB_API int (luaL_getn) (lua_State *L, int t);
L0020 LUALIB_API void (luaL_setn) (lua_State *L, int t, int n);
L0021 #else
L0022 #define luaL_getn(L,i) ((int)lua_objlen(L, i))
L0023 #define luaL_setn(L,i,j) ((void)0) /* no op! */
L0024 #endif
L0025
L0026 #if defined(LUA_COMPAT_OPENLIB)
L0027 #define luaI_openlib luaL_openlib
L0028 #endif
L0029
L0030
L0031
L0032 #define LUA_ERRFILE (LUA_ERRERR+1)
L0033
L0034
L0035 typedef struct luaL_Reg {
L0036 const char *name;
L0037 lua_CFunction func;
L0038 } luaL_Reg;
L0039
L0040
L0041
L0042 LUALIB_API void (luaI_openlib) (lua_State *L, const char *libname,
L0043 const luaL_Reg *l, int nup);
L0044 LUALIB_API void (luaL_register) (lua_State *L, const char *libname,
L0045 const luaL_Reg *l);
L0046 LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
L0047 LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
L0048 LUALIB_API int (luaL_typerror) (lua_State *L, int narg, const char *tname);
L0049 LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);
L0050 LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,
L0051 size_t *l);
L0052 LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,
L0053 const char *def, size_t *l);
L0054 LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);
L0055 LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);
L0056
L0057 LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);
L0058 LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,
L0059 lua_Integer def);
L0060
L0061 LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
L0062 LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);
L0063 LUALIB_API void (luaL_checkany) (lua_State *L, int narg);
L0064
L0065 LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);
L0066 LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
L0067
L0068 LUALIB_API void (luaL_where) (lua_State *L, int lvl);
L0069 LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
L0070
L0071 LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,
L0072 const char *const lst[]);
L0073
L0074 LUALIB_API int (luaL_ref) (lua_State *L, int t);
L0075 LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
L0076
L0077 LUALIB_API int (luaL_loadfile) (lua_State *L, const char *filename);
L0078 LUALIB_API int (luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz,
L0079 const char *name);
L0080 LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
L0081
L0082 LUALIB_API lua_State *(luaL_newstate) (void);
L0083
L0084
L0085 LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
L0086 const char *r);
L0087
L0088 LUALIB_API const char *(luaL_findtable) (lua_State *L, int idx,
L0089 const char *fname, int szhint);
L0090
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L0099
L0100 #define luaL_argcheck(L, cond,numarg,extramsg) \
L0101 ((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))
void luaL_argcheck (lua_State *L, int cond, int narg, const char *extramsg);
[-0, +0, v]
L0102 #define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
L0103 #define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
L0104 #define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
L0105 #define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
L0106 #define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
L0107 #define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
L0108
L0109 #define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))
L0110
L0111 #define luaL_dofile(L, fn) \
L0112 (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
L0113
L0114 #define luaL_dostring(L, s) \
L0115 (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
L0116
L0117 #define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))
L0118
L0119 #define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
L0120
L0121
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L0127
L0128
L0129 typedef struct luaL_Buffer {
L0130 char *p;
L0131 int lvl;
L0132 lua_State *L;
L0133 char buffer[LUAL_BUFFERSIZE];
L0134 } luaL_Buffer;
L0135
L0136 #define luaL_addchar(B,c) \
L0137 ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
L0138 (*(B)->p++ = (char)(c)))
L0139
L0140
L0141 #define luaL_putchar(B,c) luaL_addchar(B,c)
L0142
L0143 #define luaL_addsize(B,n) ((B)->p += (n))
L0144
L0145 LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
L0146 LUALIB_API char *(luaL_prepbuffer) (luaL_Buffer *B);
L0147 LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
L0148 LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
L0149 LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
L0150 LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
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L0157
L0158
L0159 #define LUA_NOREF (-2)
L0160 #define LUA_REFNIL (-1)
L0161
L0162 #define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \
L0163 (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))
L0164
L0165 #define lua_unref(L,ref) luaL_unref(L, LUA_REGISTRYINDEX, (ref))
L0166
L0167 #define lua_getref(L,ref) lua_rawgeti(L, LUA_REGISTRYINDEX, (ref))
L0168
L0169
L0170 #define luaL_reg luaL_Reg
L0171
L0172 #endif
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