public IValue Operator(string op, IValue operand)
{
if (op == "()")
{
var parameterChecker = new TypeChecker(parameterType);
if (!parameterChecker.Check(operand))
{
throw new TypeException("Function parameter is invalid");
}
var result = ValueBehaviourFactory.GetBehaviour(this, operand).BinaryOperator(this, op, operand);
var resultChecker = new TypeChecker(returnType);
if (!resultChecker.Check(result))
{
throw new TypeException("Function result is invalid");
}
IType type;
if (returnType.Type.Check(ValueType.TYPE))
{
type = returnType.Get <IType>();
}
else if (returnType.Type.Check(ValueType.LIST))
{
type = new ListType(returnType, returnType.ToString());
}
else
{
throw new TypeException("Function return value invalid!");
}
return(new Binding(result.ToString(), type, result).Value);
}
return(ValueBehaviourFactory.GetBehaviour(this, operand).BinaryOperator(this, op, operand));
}
public override bool Equals(object obj)
{
if (obj is Value)
{
var val2 = obj as Value;
return((ValueBehaviourFactory.GetBehaviour(this, val2).BinaryOperator(this, "==", val2)).Get <int>() == 1);
}
return(false);
}
public IValue Operator(string op)
{
return(ValueBehaviourFactory.GetBehaviour(this).UnaryOperator(this, op));
}
public override IValue VisitUnary_operators(gramParser.Unary_operatorsContext context)
{
var result = Visit(context.expr());
return(ValueBehaviourFactory.GetBehaviour(result).UnaryOperator(result, context.SUB().GetText()));
}
public IValue Operator(string op, IValue operand)
{
return(ValueBehaviourFactory.GetBehaviour(this, operand).BinaryOperator(this, op, operand));
}