C++ (Cpp) Check_Func_Spec Exemples

Exemple #1

Fichier : c-function.c Projet : draegtun/ren-c

*/	REBFLG Make_Function(REBCNT type, REBVAL *value, REBVAL *def)
/*
***********************************************************************/
{
	REBVAL *spec;
	REBVAL *body;
	REBCNT len;

	if (
		!IS_BLOCK(def)
		|| (len = VAL_LEN(def)) < 2
		|| !IS_BLOCK(spec = VAL_BLK(def))
	) return FALSE;

	body = VAL_BLK_SKIP(def, 1);

	VAL_FUNC_SPEC(value) = VAL_SERIES(spec);
	VAL_FUNC_ARGS(value) = Check_Func_Spec(VAL_SERIES(spec));

	if (type != REB_COMMAND) {
		if (len != 2 || !IS_BLOCK(body)) return FALSE;
		VAL_FUNC_BODY(value) = VAL_SERIES(body);
	}
	else
		Make_Command(value, def);

	VAL_SET(value, type);

	if (type == REB_FUNCTION || type == REB_CLOSURE)
		Bind_Relative(VAL_FUNC_ARGS(value), VAL_FUNC_ARGS(value), VAL_FUNC_BODY(value));

	return TRUE;
}

Exemple #2

Fichier : c-function.c Projet : RamchandraApte/rebol

*/	REBFLG Copy_Function(REBVAL *value, REBVAL *args)
/*
***********************************************************************/
{
	REBVAL *spec = VAL_BLK(args);
	REBVAL *body = VAL_BLK_SKIP(args, 1);

	if (IS_END(spec)) body = 0;
	else {
		// Spec given, must be block or *
		if (IS_BLOCK(spec)) {
			VAL_FUNC_SPEC(value) = VAL_SERIES(spec);
			VAL_FUNC_ARGS(value) = Check_Func_Spec(VAL_SERIES(spec));
		} else
			if (!IS_STAR(spec)) return FALSE;
	}

	if (body && !IS_END(body)) {
		if (!IS_FUNCTION(value) && !IS_CLOSURE(value)) return FALSE;
		// Body must be block:
		if (!IS_BLOCK(body)) return FALSE;
		VAL_FUNC_BODY(value) = VAL_SERIES(body);
	}
	// No body, use protytpe:
	else if (IS_FUNCTION(value) || IS_CLOSURE(value))
		VAL_FUNC_BODY(value) = Clone_Block(VAL_FUNC_BODY(value));

	// Rebind function words:
	if (IS_FUNCTION(value))
		Bind_Relative(VAL_FUNC_ARGS(value), VAL_FUNC_BODY(value), VAL_FUNC_BODY(value));

	return TRUE;
}

Exemple #3

Fichier : c-function.c Projet : RamchandraApte/rebol

*/	REBFLG Make_Function(REBCNT type, REBVAL *value, REBVAL *def)
/*
***********************************************************************/
{
	REBVAL *spec;
	REBVAL *body;
	REBCNT len;

	if (
		!IS_BLOCK(def)
////		|| type < REB_CLOSURE // for now
		|| (len = VAL_LEN(def)) < 2
		|| !IS_BLOCK(spec = VAL_BLK(def))
	) return FALSE;

	body = VAL_BLK_SKIP(def, 1);

	//	Print("Make_Func"); //: %s spec %d", Get_Sym_Name(type+1), SERIES_TAIL(spec));
	VAL_FUNC_SPEC(value) = VAL_SERIES(spec);
	VAL_FUNC_ARGS(value) = Check_Func_Spec(VAL_SERIES(spec));

	if (type != REB_COMMAND) {
		if (len != 2 || !IS_BLOCK(body)) return FALSE;
		VAL_FUNC_BODY(value) = VAL_SERIES(body);
	}
	else
		Make_Command(value, def);

	VAL_SET(value, type);

	if (type == REB_FUNCTION)
		Bind_Relative(VAL_FUNC_ARGS(value), VAL_FUNC_BODY(value), VAL_FUNC_BODY(value));

	return TRUE;
}

Exemple #4

Fichier : c-function.c Projet : draegtun/ren-c

*/	void Make_Native(REBVAL *value, REBSER *spec, REBFUN func, REBINT type)
/*
***********************************************************************/
{
	//Print("Make_Native: %s spec %d", Get_Sym_Name(type+1), SERIES_TAIL(spec));
	VAL_FUNC_SPEC(value) = spec;
	VAL_FUNC_ARGS(value) = Check_Func_Spec(spec);
	VAL_FUNC_CODE(value) = func;
	VAL_SET(value, type);
}