Mercurial > vba-clojure
view src/lua/lauxlib.h @ 572:58a25fa15176
minor formatting changes.
author | Robert McIntyre <rlm@mit.edu> |
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date | Sat, 01 Sep 2012 03:42:16 -0500 |
parents | 27763b933818 |
children |
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1 /*2 ** $Id: lauxlib.h,v 1.88.1.1 2007/12/27 13:02:25 roberto Exp $3 ** Auxiliary functions for building Lua libraries4 ** See Copyright Notice in lua.h5 */8 #ifndef lauxlib_h9 #define lauxlib_h12 #include <stddef.h>13 #include <stdio.h>15 #include "lua.h"18 #if defined(LUA_COMPAT_GETN)19 LUALIB_API int (luaL_getn) (lua_State *L, int t);20 LUALIB_API void (luaL_setn) (lua_State *L, int t, int n);21 #else22 #define luaL_getn(L,i) ((int)lua_objlen(L, i))23 #define luaL_setn(L,i,j) ((void)0) /* no op! */24 #endif26 #if defined(LUA_COMPAT_OPENLIB)27 #define luaI_openlib luaL_openlib28 #endif31 /* extra error code for `luaL_load' */32 #define LUA_ERRFILE (LUA_ERRERR+1)35 typedef struct luaL_Reg {36 const char *name;37 lua_CFunction func;38 } luaL_Reg;42 LUALIB_API void (luaI_openlib) (lua_State *L, const char *libname,43 const luaL_Reg *l, int nup);44 LUALIB_API void (luaL_register) (lua_State *L, const char *libname,45 const luaL_Reg *l);46 LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);47 LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);48 LUALIB_API int (luaL_typerror) (lua_State *L, int narg, const char *tname);49 LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);50 LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,51 size_t *l);52 LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,53 const char *def, size_t *l);54 LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);55 LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);57 LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);58 LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,59 lua_Integer def);61 LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);62 LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);63 LUALIB_API void (luaL_checkany) (lua_State *L, int narg);65 LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);66 LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);68 LUALIB_API void (luaL_where) (lua_State *L, int lvl);69 LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);71 LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,72 const char *const lst[]);74 LUALIB_API int (luaL_ref) (lua_State *L, int t);75 LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);77 LUALIB_API int (luaL_loadfile) (lua_State *L, const char *filename);78 LUALIB_API int (luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz,79 const char *name);80 LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);82 LUALIB_API lua_State *(luaL_newstate) (void);85 LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,86 const char *r);88 LUALIB_API const char *(luaL_findtable) (lua_State *L, int idx,89 const char *fname, int szhint);94 /*95 ** ===============================================================96 ** some useful macros97 ** ===============================================================98 */100 #define luaL_argcheck(L, cond,numarg,extramsg) \101 ((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))102 #define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))103 #define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))104 #define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))105 #define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))106 #define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))107 #define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))109 #define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))111 #define luaL_dofile(L, fn) \112 (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))114 #define luaL_dostring(L, s) \115 (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))117 #define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))119 #define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))121 /*122 ** {======================================================123 ** Generic Buffer manipulation124 ** =======================================================125 */129 typedef struct luaL_Buffer {130 char *p; /* current position in buffer */131 int lvl; /* number of strings in the stack (level) */132 lua_State *L;133 char buffer[LUAL_BUFFERSIZE];134 } luaL_Buffer;136 #define luaL_addchar(B,c) \137 ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \138 (*(B)->p++ = (char)(c)))140 /* compatibility only */141 #define luaL_putchar(B,c) luaL_addchar(B,c)143 #define luaL_addsize(B,n) ((B)->p += (n))145 LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);146 LUALIB_API char *(luaL_prepbuffer) (luaL_Buffer *B);147 LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);148 LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);149 LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);150 LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);153 /* }====================================================== */156 /* compatibility with ref system */158 /* pre-defined references */159 #define LUA_NOREF (-2)160 #define LUA_REFNIL (-1)162 #define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \163 (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))165 #define lua_unref(L,ref) luaL_unref(L, LUA_REGISTRYINDEX, (ref))167 #define lua_getref(L,ref) lua_rawgeti(L, LUA_REGISTRYINDEX, (ref))170 #define luaL_reg luaL_Reg172 #endif