/*
** $Id: lfunc.h,v 2.4.1.1 2007/12/27 13:02:25 roberto Exp $
** Auxiliary functions to manipulate prototypes and closures
** See Copyright Notice in lua.h
*/

#ifndef lfunc_h
#define lfunc_h


#include "lobject.h"

#include "lgc.h"

#define sizeCclosure(n) (cast(int, sizeof(CClosure)) + \
                         cast(int, sizeof(TValue)*((n)-1)))

#define sizeLclosure(n) (cast(int, sizeof(LClosure)) + \
                         cast(int, sizeof(TValue *)*((n)-1)))

#define proto_readonly(p) l_setbit((p)->marked, READONLYBIT)
#define proto_is_readonly(p) testbit((p)->marked, READONLYBIT)

LUAI_FUNC Proto *luaF_newproto(lua_State *L);
LUAI_FUNC Closure *luaF_newCclosure(lua_State *L, int nelems, Table *e);
LUAI_FUNC Closure *luaF_newLclosure(lua_State *L, int nelems, Table *e);
LUAI_FUNC UpVal *luaF_newupval(lua_State *L);
LUAI_FUNC UpVal *luaF_findupval(lua_State *L, StkId level);
LUAI_FUNC void luaF_close(lua_State *L, StkId level);
LUAI_FUNC void luaF_freeproto(lua_State *L, Proto *f);
LUAI_FUNC void luaF_freeclosure(lua_State *L, Closure *c);
LUAI_FUNC void luaF_freeupval(lua_State *L, UpVal *uv);
LUAI_FUNC const char *luaF_getlocalname(const Proto *func, int local_number,
                                        int pc);


#endif