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/*
** $Id: lvm.h,v 2.35 2015/02/20 14:27:53 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"
#if !defined(LUA_NOCVTN2S)
#define cvt2str(o) ttisnumber(o)
#else
#define cvt2str(o) 0 /* no conversion from numbers to strings */
#endif
#if !defined(LUA_NOCVTS2N)
#define cvt2num(o) ttisstring(o)
#else
#define cvt2num(o) 0 /* no conversion from strings to numbers */
#endif
/*
** You can define LUA_FLOORN2I if you want to convert floats to integers
** by flooring them (instead of raising an error if they are not
** integral values)
*/
#if !defined(LUA_FLOORN2I)
#define LUA_FLOORN2I 0
#endif
#define tonumber(o,n) \
(ttisfloat(o) ? (*(n) = fltvalue(o), 1) : luaV_tonumber_(o,n))
#define tointeger(o,i) \
(ttisinteger(o) ? (*(i) = ivalue(o), 1) : luaV_tointeger(o,i,LUA_FLOORN2I))
#define intop(op,v1,v2) l_castU2S(l_castS2U(v1) op l_castS2U(v2))
#define luaV_rawequalobj(t1,t2) luaV_equalobj(NULL,t1,t2)
LUAI_FUNC int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2);
LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
LUAI_FUNC int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r);
LUAI_FUNC int luaV_tonumber_ (const TValue *obj, lua_Number *n);
LUAI_FUNC int luaV_tointeger (const TValue *obj, lua_Integer *p, int mode);
LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key,
StkId val);
LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key,
StkId val);
LUAI_FUNC void luaV_finishOp (lua_State *L);
LUAI_FUNC void luaV_execute (lua_State *L);
LUAI_FUNC void luaV_concat (lua_State *L, int total);
LUAI_FUNC lua_Integer luaV_div (lua_State *L, lua_Integer x, lua_Integer y);
LUAI_FUNC lua_Integer luaV_mod (lua_State *L, lua_Integer x, lua_Integer y);
LUAI_FUNC lua_Integer luaV_shiftl (lua_Integer x, lua_Integer y);
LUAI_FUNC void luaV_objlen (lua_State *L, StkId ra, const TValue *rb);
#endif
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