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lapi.h

24 строки549 B

Roberto Ierusalimschy

extra api checks for number of returns of C functions and for lua_yield

27 ноя 2009, 18:37

27 ноя 2009, 18:373e41afc

/*
** $Id: lapi.h,v 2.6 2009/08/31 14:26:28 roberto Exp roberto $
** Auxiliary functions from Lua API
** See Copyright Notice in lua.h
*/

#ifndef lapi_h
#define lapi_h


#include "llimits.h"
#include "lstate.h"

#define api_incr_top(L)   {L->top++; api_check(L, L->top <= L->ci->top, \
				"stack overflow");}

#define adjustresults(L,nres) \
    { if ((nres) == LUA_MULTRET && L->ci->top < L->top) L->ci->top = L->top; }

#define api_checknelems(L,n)	api_check(L, (n) < (L->top - L->ci->func), \
				  "not enough elements in the stack")


#endif