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262
Plugins/slua_unreal/External/lua/lauxlib.h
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262
Plugins/slua_unreal/External/lua/lauxlib.h
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/*
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** $Id: lauxlib.h,v 1.131 2016/12/06 14:54:31 roberto Exp $
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** Auxiliary functions for building Lua libraries
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** See Copyright Notice in lua.h
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*/
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#ifndef lauxlib_h
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#define lauxlib_h
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#include <stddef.h>
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#include <stdio.h>
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#include "lua.h"
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/* extra error code for 'luaL_loadfilex' */
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#define LUA_ERRFILE (LUA_ERRERR+1)
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/* key, in the registry, for table of loaded modules */
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#define LUA_LOADED_TABLE "_LOADED"
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/* key, in the registry, for table of preloaded loaders */
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#define LUA_PRELOAD_TABLE "_PRELOAD"
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namespace NS_SLUA {
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typedef struct luaL_Reg {
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const char *name;
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lua_CFunction func;
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} luaL_Reg;
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#define LUAL_NUMSIZES (sizeof(lua_Integer)*16 + sizeof(lua_Number))
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LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver, size_t sz);
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#define luaL_checkversion(L) \
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luaL_checkversion_(L, LUA_VERSION_NUM, LUAL_NUMSIZES)
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LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
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LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
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LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len);
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LUALIB_API int (luaL_argerror) (lua_State *L, int arg, const char *extramsg);
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LUALIB_API const char *(luaL_checklstring) (lua_State *L, int arg,
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size_t *l);
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LUALIB_API const char *(luaL_optlstring) (lua_State *L, int arg,
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const char *def, size_t *l);
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LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int arg);
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LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int arg, lua_Number def);
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LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int arg);
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LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int arg,
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lua_Integer def);
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LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
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LUALIB_API void (luaL_checktype) (lua_State *L, int arg, int t);
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LUALIB_API void (luaL_checkany) (lua_State *L, int arg);
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LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);
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LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);
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LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);
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LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
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LUALIB_API void (luaL_where) (lua_State *L, int lvl);
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LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
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LUALIB_API int (luaL_checkoption) (lua_State *L, int arg, const char *def,
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const char *const lst[]);
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LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname);
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LUALIB_API int (luaL_execresult) (lua_State *L, int stat);
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/* predefined references */
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#define LUA_NOREF (-2)
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#define LUA_REFNIL (-1)
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LUALIB_API int (luaL_ref) (lua_State *L, int t);
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LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
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LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,
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const char *mode);
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#define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL)
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LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,
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const char *name, const char *mode);
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LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
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LUALIB_API lua_State *(luaL_newstate) (void);
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LUALIB_API lua_Integer (luaL_len) (lua_State *L, int idx);
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LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
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const char *r);
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LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);
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LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname);
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LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1,
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const char *msg, int level);
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LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
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lua_CFunction openf, int glb);
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/*
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** ===============================================================
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** some useful macros
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** ===============================================================
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*/
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#define luaL_newlibtable(L,l) \
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lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)
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#define luaL_newlib(L,l) \
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(luaL_checkversion(L), luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))
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#define luaL_argcheck(L, cond,arg,extramsg) \
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((void)((cond) || luaL_argerror(L, (arg), (extramsg))))
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#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
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#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
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#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))
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#define luaL_dofile(L, fn) \
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(luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
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#define luaL_dostring(L, s) \
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(luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
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#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))
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#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
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#define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)
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/*
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** {======================================================
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** Generic Buffer manipulation
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** =======================================================
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*/
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typedef struct luaL_Buffer {
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char *b; /* buffer address */
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size_t size; /* buffer size */
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size_t n; /* number of characters in buffer */
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lua_State *L;
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char initb[LUAL_BUFFERSIZE]; /* initial buffer */
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} luaL_Buffer;
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#define luaL_addchar(B,c) \
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((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \
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((B)->b[(B)->n++] = (c)))
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#define luaL_addsize(B,s) ((B)->n += (s))
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LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
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LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz);
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LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
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LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
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LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
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LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
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LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);
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LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);
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#define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE)
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/* }====================================================== */
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/*
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** {======================================================
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** File handles for IO library
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** =======================================================
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*/
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/*
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** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
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** initial structure 'luaL_Stream' (it may contain other fields
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** after that initial structure).
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*/
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#define LUA_FILEHANDLE "FILE*"
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typedef struct luaL_Stream {
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FILE *f; /* stream (NULL for incompletely created streams) */
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lua_CFunction closef; /* to close stream (NULL for closed streams) */
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} luaL_Stream;
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/* }====================================================== */
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/* compatibility with old module system */
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#if defined(LUA_COMPAT_MODULE)
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LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,
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int sizehint);
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LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,
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const luaL_Reg *l, int nup);
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#define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0))
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#endif
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/*
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** {==================================================================
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** "Abstraction Layer" for basic report of messages and errors
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** ===================================================================
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*/
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/* print a string */
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#if !defined(lua_writestring)
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#define lua_writestring(s,l) fwrite((s), sizeof(char), (l), stdout)
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#endif
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/* print a newline and flush the output */
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#if !defined(lua_writeline)
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#define lua_writeline() (lua_writestring("\n", 1), fflush(stdout))
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#endif
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/* print an error message */
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#if !defined(lua_writestringerror)
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#define lua_writestringerror(s,p) \
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(fprintf(stderr, (s), (p)), fflush(stderr))
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#endif
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/* }================================================================== */
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/*
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** {============================================================
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** Compatibility with deprecated conversions
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** =============================================================
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*/
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#if defined(LUA_COMPAT_APIINTCASTS)
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#define luaL_checkunsigned(L,a) ((lua_Unsigned)luaL_checkinteger(L,a))
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#define luaL_optunsigned(L,a,d) \
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((lua_Unsigned)luaL_optinteger(L,a,(lua_Integer)(d)))
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#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
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#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
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#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
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#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
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#endif
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/* }============================================================ */
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} // end NS_SLUA
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#endif
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