public FunCall(Identitifer name, Token tok, Type type) : base(tok, type)
{
funcName = name ?? Identitifer.Match();
if (Parser.current.tag_value == '^')
{
Parser.Match('^');
isSystemFunction = true;
}
Parser.Match('[');
returnType = Identitifer.Match();
if (Parser.current.tag_value == '|')
{
Parser.Match('|');
arguments.Add(Identitifer.Match());
while (Parser.current.tag_value == ',')
{
Parser.Match(',');
arguments.Add(Identitifer.Match());
}
}
Parser.Match(']');
Parser.Match('(');
if (Parser.current.tag_value == Tag.ID)
{
value.Add(BoolTree.Match());
while (Parser.current.tag_value == ',')
{
Parser.Match(',');
value.Add(BoolTree.Match());
}
}
Parser.Match(')');
}
public static LogicNode Match()
{
LogicNode factor;
switch (Parser.current.tag_value)
{
case Tag.INT:
factor = new Factor(Parser.current, Type.Int);
break;
case Tag.FLOAT:
factor = new Factor(Parser.current, Type.Float);
break;
case Tag.TRUE:
factor = True;
break;
case Tag.FALSE:
factor = False;
break;
case Tag.STRING:
factor = new Factor(Parser.current, Type.String);
break;
case '(':
Parser.Move();
factor = BoolTree.Match();
Parser.Match(')');
return(factor);
case '#':
return(new RightShift(Parser.current, Type.Void));
case Tag.ID:
var tok = Parser.current;
var name = Identitifer.Match();
if (name.ILValue == "HEX")
{
return(new Hex(tok, Type.Void));
}
else if (Parser.current.tag_value == '[' || Parser.current.tag_value == '^')
{
return(new FunCall(name, tok, Type.Void));
}
else
{
return(new variable(name, tok, Type.Void));
}
//return null;
// var tok = Parser.current;
// var identitifer = Type.Match();
// var variable = Top.Get(Parser.current);
// if (variable == null)
// Error(Parser.current + " UnknownVariable");
// Parser.Move();
// return new Factor(tok, identitifer.Check());
default:
Error("GrammarError" + " " + Parser.current);
return(null);
}
Parser.Move();
return(factor);
}