EditSession CreateEditorSession(TextEditor editor, DocumentContext ctx, int openingPosition, char openingBrace, CancellationToken cancellationToken)
{
switch (openingBrace)
{
case CurlyBrace.OpenCharacter:
return(InterpolationCompletionSession.IsContext(editor, ctx, openingPosition, cancellationToken)
? (EditSession) new InterpolationCompletionSession()
: new CurlyBraceCompletionSession(ctx));
case DoubleQuote.OpenCharacter:
return(InterpolatedStringCompletionSession.IsContext(editor, ctx, openingPosition, cancellationToken)
? (EditSession) new InterpolatedStringCompletionSession()
: new StringLiteralCompletionSession(ctx));
case Bracket.OpenCharacter: return(new BracketCompletionSession(ctx));
case Parenthesis.OpenCharacter: return(new ParenthesisCompletionSession(ctx));
case SingleQuote.OpenCharacter: return(new CharLiteralCompletionSession(ctx));
case LessAndGreaterThan.OpenCharacter: return(new LessAndGreaterThanCompletionSession(ctx));
}
return(null);
}
protected virtual bool CheckCodeContext(TextEditor editor, DocumentContext ctx, int position, char openingBrace, CancellationToken cancellationToken)
{
// SPECIAL CASE: Allow in curly braces in string literals to support interpolated strings.
if (openingBrace == CurlyBrace.OpenCharacter &&
InterpolationCompletionSession.IsContext(editor, ctx, position, cancellationToken))
{
return(true);
}
if (openingBrace == DoubleQuote.OpenCharacter &&
InterpolatedStringCompletionSession.IsContext(editor, ctx, position, cancellationToken))
{
return(true);
}
var analysisDoc = ctx.AnalysisDocument;
if (analysisDoc == null)
{
return(false);
}
// check that the user is not typing in a string literal or comment
var tree = analysisDoc.GetSyntaxTreeAsync(cancellationToken).Result;
return(!tree.IsInNonUserCode(position, cancellationToken));
}