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/*
** $Id: ldo.h,v 1.33 2001/06/05 19:41:24 roberto Exp roberto $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
#ifndef ldo_h
#define ldo_h
#include "lobject.h"
#include "lstate.h"
/*
** macro to increment stack top.
** There must be always an empty slot at the L->stack.top
*/
#define incr_top {if (L->top == L->stack_last) luaD_checkstack(L, 1); L->top++;}
#define luaD_checkstack(L,n) if (L->stack_last-(n)<=L->top) luaD_stackerror(L)
void luaD_init (lua_State *L, int stacksize);
void luaD_adjusttop (lua_State *L, StkId newtop);
void luaD_lineHook (lua_State *L, int line, lua_Hook linehook);
void luaD_call (lua_State *L, StkId func);
void luaD_stackerror (lua_State *L);
void luaD_error (lua_State *L, const l_char *s);
void luaD_breakrun (lua_State *L, int errcode);
int luaD_runprotected (lua_State *L, void (*f)(lua_State *, void *), void *ud);
#endif
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