protected override NodeValue VisitUnaryExpression(UnaryExpressionNode node)
{
NodeValue expressionValue = Visit(node.ExpressionNode);
if (expressionValue is UndefinedValue)
{
return(new UndefinedValue());
}
try
{
NodeValue nodeValue = ConstEvaluationHelper.EvaluateUnaryOperation(node.Operator, expressionValue);
if (nodeValue is IntValue intValue)
{
if (intValue.Value < Int32.MinValue || intValue.Value > Int32.MaxValue)
{
node.Annotations.Add(new ArithmeticOperationOverflowError(node.OperatorLocation));
return(new UndefinedValue());
}
}
return(nodeValue);
}
catch (InvalidUnaryOperationException)
{
node.Annotations.Add(new InvalidUnaryOperationError());
return(new UndefinedValue());
}
}
protected override void VisitUnaryExpression(UnaryExpressionNode node)
{
base.VisitUnaryExpression(node);
if (IsInsideFloatExpression())
{
node.DoGenerateOperatorInstruction = false;
}
switch (node.ExpressionNode.BuiltinType)
{
case SymbolType.Uninitialized:
case SymbolType.Undefined:
node.BuiltinType = SymbolType.Undefined;
break;
case SymbolType.Int:
node.BuiltinType = SymbolType.Int;
// TODO think about changing !int type to bool
break;
case SymbolType.Float:
switch (node.Operator)
{
case UnaryOperator.Plus:
case UnaryOperator.Minus:
case UnaryOperator.Not:
node.BuiltinType = SymbolType.Float;
break;
default:
node.BuiltinType = SymbolType.Undefined;
node.Annotations.Add(new InvalidArgumentTypeToUnaryExpressionError(node.ExpressionNode.BuiltinType.ToString()));
break;
}
break;
default:
node.BuiltinType = SymbolType.Undefined;
node.Annotations.Add(new InvalidArgumentTypeToUnaryExpressionError(node.ExpressionNode.BuiltinType.ToString()));
break;
}
}
protected virtual T VisitUnaryExpression(UnaryExpressionNode node)
{
Visit(node.ExpressionNode);
return(DefaultResult);
}
protected virtual void VisitUnaryExpression(UnaryExpressionNode node)
{
Visit(node.ExpressionNode);
}