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/*
** $Id: lvm.h,v 1.44 2002/07/05 18:27:39 roberto Exp $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
#ifndef lvm_h
#define lvm_h
#include "ldo.h"
#include "lobject.h"
#include "ltm.h"
#define tostring(L,o) ((ttype(o) == LUA_TSTRING) || (luaV_tostring(L, o)))
#define tonumber(o,n) (ttype(o) == LUA_TNUMBER || \
(((o) = luaV_tonumber(o,n)) != NULL))
#define equalobj(L,o1,o2) \
(ttype(o1) == ttype(o2) && luaV_equalval(L, o1, o2))
/*
** dummy addrees, to mark Lua functions calling other Lua functions (and
** therefore without a valid `pc'
*/
extern Instruction const *luaV_callingmark;
int luaV_lessthan (lua_State *L, const TObject *l, const TObject *r);
int luaV_equalval (lua_State *L, const TObject *t1, const TObject *t2);
const TObject *luaV_tonumber (const TObject *obj, TObject *n);
int luaV_tostring (lua_State *L, TObject *obj);
const TObject *luaV_gettable (lua_State *L, const TObject *t, TObject *key,
int loop);
void luaV_settable (lua_State *L, const TObject *t, TObject *key, StkId val);
StkId luaV_execute (lua_State *L);
void luaV_concat (lua_State *L, int total, int last);
#endif
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