public override void VisitTry(ITryOperation operation)
{
Visit(operation.Body);
foreach (var catchClause in operation.Catches)
{
Visit(catchClause);
}
_finallyBlockNestingDepth++;
Visit(operation.Finally);
_finallyBlockNestingDepth--;
}
public override void VisitTry(ITryOperation operation)
{
Assert.Equal(OperationKind.Try, operation.Kind);
IEnumerable <IOperation> children = new[] { operation.Body };
children = children.Concat(operation.Catches);
if (operation.Finally != null)
{
children = children.Concat(new[] { operation.Finally });
}
AssertEx.Equal(children, operation.Children);
}
private static FinallyClauseSyntax TryGetFinallySyntax([NotNull] ITryOperation operation)
{
var finallySyntax = operation.Finally.Syntax as FinallyClauseSyntax;
if (finallySyntax == null)
{
// Bug workaround for https://github.com/dotnet/roslyn/issues/27208
if (operation.Finally.Syntax is BlockSyntax finallyBlockSyntax)
{
finallySyntax = finallyBlockSyntax.Parent as FinallyClauseSyntax;
}
}
return(finallySyntax);
}
public override Location VisitTry([NotNull] ITryOperation operation, [CanBeNull] object argument)
{
var trySyntax = (TryStatementSyntax)operation.Syntax;
if (tryFinallyStrategy == TryFinallyLookupKeywordStrategy.PreferTryKeyword)
{
return(trySyntax.TryKeyword.GetLocation());
}
FinallyClauseSyntax finallySyntax = TryGetFinallySyntax(operation);
if (finallySyntax != null)
{
return(finallySyntax.FinallyKeyword.GetLocation());
}
return(base.VisitTry(operation, argument));
}
private bool ValidateTryOperation(ITryOperation tryOperation)
{
// The try operation must have been implicit, as we still analyze it if it isn't implicit
if (!tryOperation.IsImplicit)
{
return(false);
}
// There is no way to pass this check without the finally block being correct,
// as this try-finally is generated by the compiler. No need to verify
// the contents of the finally.
if (tryOperation.Finally == null || !tryOperation.Finally.IsImplicit)
{
return(false);
}
// The try statement is otherwise correct, so validate the main body
return(Validate(tryOperation.Body.Operations));
}
public override IOperation VisitTry(ITryOperation operation, object argument)
{
return(new TryStatement(Visit(operation.Body), VisitArray(operation.Catches), Visit(operation.Finally), operation.ExitLabel, ((Operation)operation).SemanticModel, operation.Syntax, operation.Type, operation.ConstantValue, operation.IsImplicit));
}
public virtual void VisitTry(ITryOperation operation)
{
DefaultVisit(operation);
}
public override void VisitTry([NotNull] ITryOperation operation)
{
base.VisitTry(operation);
}
public override void VisitTry([NotNull] ITryOperation operation)
{
IncrementStatementCount(operation);
base.VisitTry(operation);
}
public override Location VisitTry([NotNull] ITryOperation operation, [CanBeNull] object argument)
{
var syntax = (TryStatementSyntax)operation.Syntax;
return(syntax.TryKeyword.GetLocation());
}
public override void VisitTry(ITryOperation operation)
{
base.VisitTry(operation);
}
public override bool VisitTry([NotNull] ITryOperation operation1, [CanBeNull] IOperation argument)
{
return(argument is ITryOperation operation2 && AreBaseOperationsEqual(operation1, operation2));
}