/// <summary>
/// Creates DAX Document Properties object, stores in private member and returns the reference to it.
/// </summary>
/// <param name="mgr"></param>
/// <returns>Reference to DAX Document Properties.</returns>
public override DocumentProperties CreateDocumentProperties(CodeWindowManager mgr)
{
DaxDocumentProperties daxDocumentProperties = new DaxDocumentProperties(mgr);
// Initialize BismProvider for given Document/Source/CodeWindowManager
Babel.Source babelSource = mgr.Source as Babel.Source;
if (babelSource != null)
{
BismProvider = new BismInfoProvider(daxDocumentProperties);
babelSource.BismInfoProvider = BismProvider;
}
return(daxDocumentProperties);
}
public override Microsoft.VisualStudio.Package.AuthoringScope ParseSource(ParseRequest req)
{
Babel.Source source = (Babel.Source) this.GetSource(req.FileName);
bool yyparseResult = false;
// req.DirtySpan seems to be set even though no changes have occurred
// source.IsDirty also behaves strangely
// might be possible to use source.ChangeCount to sync instead
if (req.DirtySpan.iStartIndex != req.DirtySpan.iEndIndex ||
req.DirtySpan.iStartLine != req.DirtySpan.iEndLine)
{
ErrorHandler handler = new ErrorHandler();
Scanner scanner = new Scanner(); // string interface
Parser parser = new Parser(); // use noarg constructor
parser.scanner = scanner;
scanner.Handler = handler;
parser.SetHandler(handler);
scanner.SetSource(req.Text, 0);
parser.MBWInit(req);
yyparseResult = parser.Parse();
// store the parse results
// source.ParseResult = aast;
source.ParseResult = null;
source.Braces = parser.Braces;
// for the time being, just pull errors back from the error handler
if (handler.ErrNum > 0)
{
foreach (Babel.Parser.Error error in handler.SortedErrorList())
{
TextSpan span = new TextSpan();
span.iStartLine = span.iEndLine = error.line - 1;
span.iStartIndex = error.column;
span.iEndIndex = error.column + error.length;
req.Sink.AddError(req.FileName, error.message, span, Severity.Error);
}
}
}
switch (req.Reason)
{
case ParseReason.Check:
case ParseReason.HighlightBraces:
case ParseReason.MatchBraces:
case ParseReason.MemberSelectAndHighlightBraces:
// send matches to sink
// this should (probably?) be filtered on req.Line / col
if (source.Braces != null)
{
foreach (TextSpan[] brace in source.Braces)
{
if (brace.Length == 2)
{
req.Sink.MatchPair(brace[0], brace[1], 1);
}
else if (brace.Length >= 3)
{
req.Sink.MatchTriple(brace[0], brace[1], brace[2], 1);
}
}
}
break;
default:
break;
}
return(new AuthoringScope(req.Text));
}
