public override void VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
if (!PreVisit(node))
{
return;
}
node.Parameters?.Accept(this);
base.VisitOperatorMemberCref(node);
PostVisit(node);
}
// NOTE: not guaranteed to be a method (e.g. class op_Addition)
// NOTE: constructor fallback logic applies
private ImmutableArray <Symbol> BindOperatorMemberCref(OperatorMemberCrefSyntax syntax, NamespaceOrTypeSymbol?containerOpt, out Symbol?ambiguityWinner, BindingDiagnosticBag diagnostics)
{
const int arity = 0;
CrefParameterListSyntax?parameterListSyntax = syntax.Parameters;
bool isChecked = syntax.CheckedKeyword.IsKind(SyntaxKind.CheckedKeyword);
// NOTE: Prefer binary to unary, unless there is exactly one parameter.
// CONSIDER: we're following dev11 by never using a binary operator name if there's
// exactly one parameter, but doing so would allow us to match single-parameter constructors.
SyntaxKind operatorTokenKind = syntax.OperatorToken.Kind();
string? memberName = parameterListSyntax != null && parameterListSyntax.Parameters.Count == 1
? null
: OperatorFacts.BinaryOperatorNameFromSyntaxKindIfAny(operatorTokenKind, isChecked);
memberName = memberName ?? OperatorFacts.UnaryOperatorNameFromSyntaxKindIfAny(operatorTokenKind, isChecked: isChecked);
if (memberName == null ||
(isChecked && !syntax.OperatorToken.IsMissing && !SyntaxFacts.IsCheckedOperator(memberName))) // the operator cannot be checked
{
ambiguityWinner = null;
return(ImmutableArray <Symbol> .Empty);
}
ImmutableArray <Symbol> sortedSymbols = ComputeSortedCrefMembers(syntax, containerOpt, memberName, arity, syntax.Parameters != null, diagnostics);
if (sortedSymbols.IsEmpty)
{
ambiguityWinner = null;
return(ImmutableArray <Symbol> .Empty);
}
return(ProcessCrefMemberLookupResults(
sortedSymbols,
arity,
syntax,
typeArgumentListSyntax: null,
parameterListSyntax: parameterListSyntax,
ambiguityWinner: out ambiguityWinner,
diagnostics: diagnostics));
}
public override void VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
Debug.Fail(node.ToString());
base.VisitOperatorMemberCref(node);
}
// NOTE: not guaranteed to be a method (e.g. class op_Addition)
// NOTE: constructor fallback logic applies
private ImmutableArray<Symbol> BindOperatorMemberCref(OperatorMemberCrefSyntax syntax, NamespaceOrTypeSymbol containerOpt, out Symbol ambiguityWinner, DiagnosticBag diagnostics)
{
const int arity = 0;
CrefParameterListSyntax parameterListSyntax = syntax.Parameters;
// NOTE: Prefer binary to unary, unless there is exactly one parameter.
// CONSIDER: we're following dev11 by never using a binary operator name if there's
// exactly one parameter, but doing so would allow us to match single-parameter constructors.
SyntaxKind operatorTokenKind = syntax.OperatorToken.CSharpKind();
string memberName = parameterListSyntax != null && parameterListSyntax.Parameters.Count == 1
? null
: OperatorFacts.BinaryOperatorNameFromSyntaxKindIfAny(operatorTokenKind);
memberName = memberName ?? OperatorFacts.UnaryOperatorNameFromSyntaxKindIfAny(operatorTokenKind);
if (memberName == null)
{
ambiguityWinner = null;
return ImmutableArray<Symbol>.Empty;
}
ImmutableArray<Symbol> sortedSymbols = ComputeSortedCrefMembers(syntax, containerOpt, memberName, arity, syntax.Parameters != null, diagnostics);
if (sortedSymbols.IsEmpty)
{
ambiguityWinner = null;
return ImmutableArray<Symbol>.Empty;
}
return ProcessCrefMemberLookupResults(
sortedSymbols,
arity,
syntax,
typeArgumentListSyntax: null,
parameterListSyntax: parameterListSyntax,
ambiguityWinner: out ambiguityWinner,
diagnostics: diagnostics);
}
public override void VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
node.Parameters?.Accept(this);
base.VisitOperatorMemberCref(node);
}
public override void VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
throw new NotImplementedException();
}
public override void VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
Log(node, "Unsupported Syntax !");
}
public TameOperatorMemberCrefSyntax(OperatorMemberCrefSyntax node)
{
Node = node;
AddChildren();
}
public override void VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
base.VisitOperatorMemberCref(node);
}
/// <summary>
///
/// </summary>
/// <param name="node"></param>
public override sealed void VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
this.OnNodeVisited(node, this.type.IsInstanceOfType(node));
base.VisitOperatorMemberCref(node);
}
/// <summary>
///
/// </summary>
/// <param name="node"></param>
public override sealed void VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
this.OnNodeVisited(node);
if (!this.traverseRootOnly) base.VisitOperatorMemberCref(node);
}
public override SyntaxNode VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
node = (OperatorMemberCrefSyntax)base.VisitOperatorMemberCref(node);
Classes.Add(node);
return(node);
}
public override Evaluation VisitOperatorMemberCref(OperatorMemberCrefSyntax node)
{
node.Parameters?.Accept <Evaluation>(this);
return(base.VisitOperatorMemberCref(node));
}
// // Summary: // Called when the visitor visits a OperatorMemberCrefSyntax node. public virtual void VisitOperatorMemberCref(OperatorMemberCrefSyntax node);
