// Try to fold a negated constant int32. We have to do this so that parsing int32.MinValue will work
public override Node ExitNegateExpression(Production node)
{
IList childValues = this.GetChildValues(node);
// Get last child
ExpressionElement childElement = childValues[childValues.Count - 1] as ExpressionElement;
// Is it an signed integer constant?
if (object.ReferenceEquals(childElement.GetType(), typeof(Int32LiteralElement)) & childValues.Count == 2)
{
((Int32LiteralElement)childElement).Negate();
// Add it directly instead of the negate element since it will already be negated
node.AddValue(childElement);
}
else if (object.ReferenceEquals(childElement.GetType(), typeof(Int64LiteralElement)) & childValues.Count == 2)
{
((Int64LiteralElement)childElement).Negate();
// Add it directly instead of the negate element since it will already be negated
node.AddValue(childElement);
}
else
{
// No so just add a regular negate
this.AddUnaryOp(node, typeof(NegateElement));
}
return(node);
}
private void AddUnaryOp(Production node, Type elementType)
{
IList childValues = this.GetChildValues(node);
if (childValues.Count == 2)
{
UnaryElement element = Activator.CreateInstance(elementType) as UnaryElement;
element.SetChild(childValues[1] as ExpressionElement);
node.AddValue(element);
}
else
{
node.AddValue(childValues[0]);
}
}
public override Node ExitInListTargetExpression(Production node)
{
IList childValues = this.GetChildValues(node);
node.AddValue(childValues);
return(node);
}
public override Node ExitInExpression(Production node)
{
IList childValues = this.GetChildValues(node);
if (childValues.Count == 1)
{
this.AddFirstChildValue(node);
return(node);
}
ExpressionElement operand = childValues[0] as ExpressionElement;
childValues.RemoveAt(0);
object second = childValues[0];
InElement op = default(InElement);
if ((second) is IList)
{
op = new InElement(operand, (IList)second);
}
else
{
InvocationListElement il = new InvocationListElement(childValues, MyServices);
op = new InElement(operand, il);
}
node.AddValue(op);
return(node);
}
public override Node ExitFieldPropertyExpression(Production node)
{
string name = (string)node.GetChildAt(0).GetValue(0);
IdentifierElement elem = new IdentifierElement(name);
node.AddValue(elem);
return(node);
}
public override Node ExitIfExpression(Production node)
{
IList childValues = this.GetChildValues(node);
ConditionalElement op = new ConditionalElement(childValues[0] as ExpressionElement, childValues[1] as ExpressionElement, childValues[2] as ExpressionElement);
node.AddValue(op);
return(node);
}
public override Node ExitMemberExpression(Production node)
{
IList childValues = this.GetChildValues(node);
object first = childValues[0];
if (childValues.Count == 1 && !(first is MemberElement))
{
node.AddValue(first);
}
else
{
InvocationListElement list = new InvocationListElement(childValues, MyServices);
node.AddValue(list);
}
return(node);
}
private void AddBinaryOp(Production node, Type elementType)
{
IList childValues = this.GetChildValues(node);
if (childValues.Count > 1)
{
BinaryExpressionElement e = BinaryExpressionElement.CreateElement(childValues, elementType);
node.AddValue(e);
}
else if (childValues.Count == 1)
{
node.AddValue(childValues[0]);
}
else
{
Debug.Assert(false, "wrong number of chilren");
}
}
public override Node ExitIndexExpression(Production node)
{
IList childValues = this.GetChildValues(node);
ArgumentList args = new ArgumentList(childValues);
IndexerElement e = new IndexerElement(args);
node.AddValue(e);
return(node);
}
public override Node ExitCastExpression(Production node)
{
IList childValues = this.GetChildValues(node);
string[] destTypeParts = (string[])childValues[1];
bool isArray = (bool)childValues[2];
CastElement op = new CastElement(childValues[0] as ExpressionElement, destTypeParts, isArray, MyServices);
node.AddValue(op);
return(node);
}
public override Node ExitFunctionCallExpression(Production node)
{
IList childValues = this.GetChildValues(node);
string name = (string)childValues[0];
childValues.RemoveAt(0);
ArgumentList args = new ArgumentList(childValues);
FunctionCallElement funcCall = new FunctionCallElement(name, args);
node.AddValue(funcCall);
return(node);
}
public override Node ExitCastTypeExpression(Production node)
{
IList childValues = this.GetChildValues(node);
List <string> parts = new List <string>();
foreach (string part in childValues)
{
parts.Add(part);
}
bool isArray = false;
if (parts[parts.Count - 1] == "[]")
{
isArray = true;
parts.RemoveAt(parts.Count - 1);
}
node.AddValue(parts.ToArray());
node.AddValue(isArray);
return(node);
}
private void AddFirstChildValue(Production node)
{
node.AddValue(this.GetChildAt(node, 0).Values[0]);
}
public override Node ExitMemberAccessExpression(Production node)
{
node.AddValue(node.GetChildAt(1).GetValue(0));
return(node);
}