#ifndef lauxlib_h

#define lauxlib_h

#include <stddef.h>

#include <stdio.h>

#include "luaconf.h"

#include "lua.h"

#define LUA_GNAME "_G"

typedef struct luaL_Buffer luaL_Buffer;

#define LUA_ERRFILE (LUA_ERRERR+1)

#define LUA_LOADED_TABLE "_LOADED"

#define LUA_PRELOAD_TABLE "_PRELOAD"

typedef struct luaL_Reg {

const char *name;

lua_CFunction func;

} luaL_Reg;

#define LUAL_NUMSIZES (sizeof(lua_Integer)*16 + sizeof(lua_Number))

LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver, size_t sz);

#define luaL_checkversion(L) \

luaL_checkversion_(L, LUA_VERSION_NUM, LUAL_NUMSIZES)

LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);

LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);

LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len);

LUALIB_API int (luaL_argerror) (lua_State *L, int arg, const char *extramsg);

LUALIB_API int (luaL_typeerror) (lua_State *L, int arg, const char *tname);

LUALIB_API const char *(luaL_checklstring) (lua_State *L, int arg,

size_t *l);

LUALIB_API const char *(luaL_optlstring) (lua_State *L, int arg,

const char *def, size_t *l);

LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int arg);

LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int arg, lua_Number def);

LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int arg);

LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int arg,

lua_Integer def);

LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);

LUALIB_API void (luaL_checktype) (lua_State *L, int arg, int t);

LUALIB_API void (luaL_checkany) (lua_State *L, int arg);

LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);

LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);

LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);

LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);

LUALIB_API void (luaL_where) (lua_State *L, int lvl);

LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);

LUALIB_API int (luaL_checkoption) (lua_State *L, int arg, const char *def,

const char *const lst[]);

LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname);

LUALIB_API int (luaL_execresult) (lua_State *L, int stat);

#define LUA_NOREF (-2)

#define LUA_REFNIL (-1)

LUALIB_API int (luaL_ref) (lua_State *L, int t);

LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);

LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,

const char *mode);

#define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL)

LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,

const char *name, const char *mode);

LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);

LUALIB_API lua_State *(luaL_newstate) (void);

LUALIB_API lua_Integer (luaL_len) (lua_State *L, int idx);

LUALIB_API void (luaL_addgsub) (luaL_Buffer *b, const char *s,

const char *p, const char *r);

LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s,

const char *p, const char *r);

LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);

LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname);

LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1,

const char *msg, int level);

LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,

lua_CFunction openf, int glb);

#define luaL_newlibtable(L,l) \

lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)

#define luaL_newlib(L,l) \

(luaL_checkversion(L), luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))

#define luaL_argcheck(L, cond,arg,extramsg) \

((void)(luai_likely(cond) || luaL_argerror(L, (arg), (extramsg))))

#define luaL_argexpected(L,cond,arg,tname) \

((void)(luai_likely(cond) || luaL_typeerror(L, (arg), (tname))))

#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))

#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))

#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))

#define luaL_dofile(L, fn) \

(luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))

#define luaL_dostring(L, s) \

(luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))

#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))

#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))

#define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)

#define luaL_intop(op,v1,v2) \

((lua_Integer)((lua_Unsigned)(v1) op (lua_Unsigned)(v2)))

#define luaL_pushfail(L) lua_pushnil(L)

#if !defined(lua_assert)

#if defined LUAI_ASSERT

#include <assert.h>

#define lua_assert(c) assert(c)

#define lua_assert(c) ((void)0)

struct luaL_Buffer {

};

#define luaL_bufflen(bf) ((bf)->n)

#define luaL_buffaddr(bf) ((bf)->b)

#define luaL_addchar(B,c) \

((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \

((B)->b[(B)->n++] = (c)))

#define luaL_addsize(B,s) ((B)->n += (s))

#define luaL_buffsub(B,s) ((B)->n -= (s))

LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);

LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz);

LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);

LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);

LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);

LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);

LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);

LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);

#define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE)

#define LUA_FILEHANDLE "FILE*"

typedef struct luaL_Stream {

FILE *f; /* stream (NULL for incompletely created streams) */

lua_CFunction closef; /* to close stream (NULL for closed streams) */

} luaL_Stream;

#if !defined(lua_writestring)

#define lua_writestring(s,l) fwrite((s), sizeof(char), (l), stdout)

#if !defined(lua_writeline)

#define lua_writeline() (lua_writestring("\n", 1), fflush(stdout))

#if !defined(lua_writestringerror)

#define lua_writestringerror(s,p) \

(fprintf(stderr, (s), (p)), fflush(stderr))

#if defined(LUA_COMPAT_APIINTCASTS)

#define luaL_checkunsigned(L,a) ((lua_Unsigned)luaL_checkinteger(L,a))

#define luaL_optunsigned(L,a,d) \

((lua_Unsigned)luaL_optinteger(L,a,(lua_Integer)(d)))

#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))

#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))

#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))

#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))