internal override SemanticInfo GetSemanticInfoWorker(SyntaxNode node, SemanticInfoOptions options, CancellationToken cancellationToken = default(CancellationToken))
{
ValidateSemanticInfoOptions(options);
SyntaxNode bindableNode = this.GetBindableSyntaxNode(node);
SyntaxNode bindableParent = this.GetBindableParentNode(bindableNode);
// Special handling for the Color Color case.
//
// Suppose we have:
// public class Color {
// public void M(int x) {}
// public static void M(params int[] x) {}
// }
// public class C {
// public void Test() {
// Color Color = new Color();
// System.Action<int> d = Color.M;
// }
// }
//
// We actually don't know how to interpret the "Color" in "Color.M" until we
// perform overload resolution on the method group. Now, if we were getting
// the semantic info for the method group, then bindableParent would be the
// variable declarator "d = Color.M" and so we would be able to pull the result
// of overload resolution out of the bound (method group) conversion. However,
// if we are getting the semantic info for just the "Color" part, then
// bindableParent will be the member access, which doesn't have enough information
// to determine which "Color" to use (since no overload resolution has been
// performed). We resolve this problem by detecting the case where we're looking
// up the LHS of a member access and calling GetBindableParentNode one more time.
// This gets us up to the level where the method group conversion occurs.
if (bindableParent != null && bindableParent.Kind == SyntaxKind.MemberAccessExpression && ((MemberAccessExpressionSyntax)bindableParent).Expression == bindableNode)
{
bindableParent = this.GetBindableParentNode(bindableParent);
}
BoundNode boundParent = null;
BoundNode boundNode = null;
BoundNode highestBoundNode = null;
if (bindableParent != null)
{
boundParent = this.GetBoundNode(bindableParent);
}
boundNode = this.GetBoundNode(bindableNode);
if (boundParent != null)
{
highestBoundNode = this.GetBoundChild(boundParent, node);
}
else
{
highestBoundNode = boundNode;
}
return base.GetSemanticInfoForNode(bindableNode, options, boundNode, highestBoundNode, boundParent);
}
internal override SemanticInfo GetSemanticInfoWorker(SyntaxNode node, SemanticInfoOptions options, CancellationToken cancellationToken = default(CancellationToken))
{
ValidateSemanticInfoOptions(options);
SyntaxNode bindableNode = this.GetBindableSyntaxNode(node);
SyntaxNode bindableParent = this.GetBindableParentNode(bindableNode);
// Special handling for the Color Color case.
//
// Suppose we have:
// public class Color {
// public void M(int x) {}
// public static void M(params int[] x) {}
// }
// public class C {
// public void Test() {
// Color Color = new Color();
// System.Action<int> d = Color.M;
// }
// }
//
// We actually don't know how to interpret the "Color" in "Color.M" until we
// perform overload resolution on the method group. Now, if we were getting
// the semantic info for the method group, then bindableParent would be the
// variable declarator "d = Color.M" and so we would be able to pull the result
// of overload resolution out of the bound (method group) conversion. However,
// if we are getting the semantic info for just the "Color" part, then
// bindableParent will be the member access, which doesn't have enough information
// to determine which "Color" to use (since no overload resolution has been
// performed). We resolve this problem by detecting the case where we're looking
// up the LHS of a member access and calling GetBindableParentNode one more time.
// This gets us up to the level where the method group conversion occurs.
if (bindableParent != null && bindableParent.Kind == SyntaxKind.MemberAccessExpression && ((MemberAccessExpressionSyntax)bindableParent).Expression == bindableNode)
{
bindableParent = this.GetBindableParentNode(bindableParent);
}
BoundNode boundParent = null;
BoundNode boundNode = null;
BoundNode highestBoundNode = null;
if (bindableParent != null)
{
boundParent = this.GetBoundNode(bindableParent);
}
boundNode = this.GetBoundNode(bindableNode);
if (boundParent != null)
{
highestBoundNode = this.GetBoundChild(boundParent, node);
}
else
{
highestBoundNode = boundNode;
}
return(base.GetSemanticInfoForNode(bindableNode, options, boundNode, highestBoundNode, boundParent));
}
