override public void LeaveSlicingExpression(SlicingExpression node)
{
if (TypeSystemServices.IsDuckTyped(node.Target))
{
BindDuck(node);
}
else
{
base.LeaveSlicingExpression(node);
}
}
override protected void ProcessInvocationOnUnknownCallableExpression(MethodInvocationExpression node)
{
if (TypeSystemServices.IsDuckTyped(node.Target))
{
Bind(node, BuiltinFunction.Quack);
BindDuck(node);
}
else
{
base.ProcessInvocationOnUnknownCallableExpression(node);
}
}
override protected void MemberNotFound(MemberReferenceExpression node, INamespace ns)
{
if (TypeSystemServices.IsDuckTyped(node.Target))
{
Bind(node, BuiltinFunction.Quack);
BindDuck(node);
}
else
{
base.MemberNotFound(node, ns);
}
}
override public void LeaveUnaryExpression(UnaryExpression node)
{
if (TypeSystemServices.IsDuckTyped(node.Operand) &&
node.Operator == UnaryOperatorType.UnaryNegation)
{
BindDuck(node);
}
else
{
base.LeaveUnaryExpression(node);
}
}
public override void OnSlice(Slice node)
{
base.OnSlice(node);
if (TypeSystemServices.IsDuckTyped((Expression)node.ParentNode))
{
return;
}
AssertInt(node.Begin);
AssertOptionalInt(node.End);
if (node.Step != null)
{
CompilerErrorFactory.NotImplemented(node.Step, "slicing step");
}
}
override public void OnMethodInvocationExpression(MethodInvocationExpression node)
{
if (!TypeSystemServices.IsDuckTyped(node.Target))
{
base.OnMethodInvocationExpression(node);
return;
}
if (TypeSystemServices.IsQuackBuiltin(node.Target))
{
ExpandQuackInvocation(node);
return;
}
base.OnMethodInvocationExpression(node);
if (node.GetAncestor(NodeType.Constructor) == null ||
(node.Target.NodeType != NodeType.SelfLiteralExpression &&
node.Target.NodeType != NodeType.SuperLiteralExpression) ||
node.Target.Entity as IConstructor == null)
{
ExpandCallableInvocation(node);
}
}
override protected void BindBinaryExpression(BinaryExpression node)
{
if (TypeSystemServices.IsDuckTyped(node.Left) ||
TypeSystemServices.IsDuckTyped(node.Right))
{
if (AstUtil.IsOverloadableOperator(node.Operator))
{
BindDuck(node);
}
else if (BinaryOperatorType.Or == node.Operator ||
BinaryOperatorType.And == node.Operator)
{
BindDuck(node);
}
else
{
base.BindBinaryExpression(node);
}
}
else
{
base.BindBinaryExpression(node);
}
}
protected virtual bool IsDuckTyped(Expression e)
{
return(TypeSystemServices.IsDuckTyped(e));
}
private bool IsDuckTyped(Expression e)
{
return(TypeSystemServices.IsDuckTyped(e));
}
