public static bool TryGetCompletions(TryStatementHandler tryStatement, CompletionContext context, out CompletionResult result)
{
result = CompletionResult.Empty;
// except Test as Target
if (tryStatement.Target != null && context.Position >= tryStatement.Target.StartIndex)
{
return(true);
}
if (tryStatement.Test is TupleExpression || tryStatement.Test is null)
{
return(false);
}
if (context.Position <= tryStatement.Test.EndIndex)
{
return(false);
}
var applicableSpan = context.GetApplicableSpanFromLastToken(tryStatement);
result = new CompletionResult(Enumerable.Repeat(CompletionItemSource.AsKeyword, 1), applicableSpan);
return(true);
}
public void Analyze(TryStatement ts)
{
this.tryStatement = ts;
foreach (TryStatementHandler tsh in tryStatement.Handlers)
{
this.tryHandler = tsh;
if (tsh.Target != null)
{
tsh.Target.Walk(this);
}
}
}
public virtual void PostWalk(TryStatementHandler node) { }
// TryStatementHandler
public virtual bool Walk(TryStatementHandler node) { return true; }
public virtual void PostWalk(TryStatementHandler node)
{
}
// TryStatementHandler
public virtual bool Walk(TryStatementHandler node)
{
return(true);
}
// TryStatementHandler
public override bool Walk(TryStatementHandler node)
{
return(Location >= node.StartIndex && Location <= node.EndIndex);
}
public override void PostWalk(TryStatementHandler node)
{
}
// TryStatementHandler
public override bool Walk(TryStatementHandler node) { return Location >= node.StartIndex && Location <= node.EndIndex; }
public void PostWalk(TryStatementHandler node)
{
PostProcess(node);
}
// TryStatementHandler
public bool Walk(TryStatementHandler node)
{
return(Process(node));
}
public override void PostWalk(TryStatementHandler node)
{
PostWalkWorker(node);
}
// TryStatementHandler
public override bool Walk(TryStatementHandler node)
{
return(ShouldWalkWorker(node));
}
public TryDefinition(TryStatement tryStatement, TryStatementHandler tryHandler)
{
this.tryStatement = tryStatement;
this.tryHandler = tryHandler;
}
// TryStatementHandler
public override bool Walk(TryStatementHandler node) { return false; }
public override void PostWalk(TryStatementHandler node) { }
// TryStatementHandler
public override bool Walk(TryStatementHandler node)
{
return(false);
}