private void AddRegion(List <Region> list, VSSnapshot snapshot, SyntaxTree tree, int startModifier, SyntaxNode startNode, SyntaxNode endNode)
{
int start = startNode.Span.GetSpan(snapshot).End + startModifier;
int end = endNode.Span.GetSpan(snapshot).End;
SourceLine startLine = snapshot.GetLineFromPosition(startNode.Span.GetSpan(snapshot).End);
SourceLine endLine = snapshot.GetLineFromPosition(end);
if (startLine.LineNumber == endLine.LineNumber)
{
return;
}
string text;
if (endLine.LineNumber - startLine.LineNumber > 10)
{
int textStart = snapshot.GetLineFromLineNumber(startLine.LineNumber).Span.Start;
int textEnd = snapshot.GetLineFromLineNumber(startLine.LineNumber + 10).Span.End;
text = snapshot.GetText(textStart, textEnd - textStart);
}
else
{
text = snapshot.GetText(startLine.Span.Start, endLine.Span.End - startLine.Span.Start).Trim('\r', '\n');
}
GLSL.Text.Span span = GLSL.Text.Span.Create(start, end);
list.Add(new Region(snapshot.CreateTrackingSpan(span), text));
}
public override TrackingSpan CreateTrackingSpan(GLSL.Text.Span span)
{
if (span == null)
{
throw new ArgumentNullException(nameof(span));
}
return(new VSTrackingSpan(this.TextSnapshot.CreateTrackingSpan(span.ToVSSpan(), SpanTrackingMode.EdgeExclusive)));
}
public static SnapshotSpan GetSnapshotSpan(this Snapshot snapshot, GLSL.Text.Span span)
{
VSSnapshot vs = snapshot as VSSnapshot;
if (vs == null)
{
throw new ArgumentException("snapshot must be a VSSnapshot");
}
return(new SnapshotSpan(vs.TextSnapshot, span.ToVSSpan()));
}
public GLSLSignature(Definition definition, TrackingSpan trackingSpan, Snapshot snapshot, ITextView textView, ISignatureHelpSession session)
{
GLSL.Text.Span span = trackingSpan.GetSpan(snapshot);
this.ApplicableToSpan = snapshot.CreateTrackingSpan(GLSL.Text.Span.Create(span.Start, span.End - 1)).ToITrackingSpan();
this.Content = definition.ToString();
this.Documentation = definition.Documentation;
this.Parameters = new ReadOnlyCollection <IParameter>(definition.GetParameters(this));
this.textView = textView;
this.session = session;
this.textView.TextBuffer.Changed += this.TextBufferChanged;
this.textView.Caret.PositionChanged += this.CaretPositionChanged;
this.session.Dismissed += this.OnDismissed;
this.ComputeCurrentParamter(this.textView.TextBuffer.CurrentSnapshot);
}
public static List <Run> ToRunsInSpan(this SyntaxNode node, Snapshot snapshot, GLSL.Text.Span span, IClassificationFormatMap formatMap, IClassificationTypeRegistryService typeRegistry)
{
List <Run> runs = new List <Run>();
foreach (SyntaxToken token in node.GetSyntaxTokens())
{
if (span.Contains(token.Span.GetSpan(snapshot)))
{
runs.AddRange(token.ToRuns(formatMap, typeRegistry));
}
}
return(runs);
}
