private static Trivia.TriviaTypes GetTriviaType(SyntaxTrivia t)
{
if (t.Kind() == SyntaxKind.RegionDirectiveTrivia)
{
return(Trivia.TriviaTypes.RegionDirectiveTriviaSyntaxType);
}
else if (t.Kind() == SyntaxKind.SingleLineCommentTrivia)
{
return(Trivia.TriviaTypes.SingleLineCommentTriviaType);
}
else if (t.Kind() == SyntaxKind.EndRegionDirectiveTrivia)
{
return(Trivia.TriviaTypes.EndRegionDirectiveTriviaType);
}
else if (t.Kind() == SyntaxKind.MultiLineCommentTrivia)
{
return(Trivia.TriviaTypes.MultiLineCommentTriviaType);
}
else if (t.Kind() == SyntaxKind.SingleLineDocumentationCommentTrivia)
{
return(Trivia.TriviaTypes.SingleLineDocumentationCommentTriviaType);
}
else if (t.Kind() == SyntaxKind.IfDirectiveTrivia)
{
return(Trivia.TriviaTypes.IfDirectiveTriviaType);
}
else if (t.Kind() == SyntaxKind.DisabledTextTrivia)
{
return(Trivia.TriviaTypes.DisabledTextTriviaType);
}
else if (t.Kind() == SyntaxKind.ElseDirectiveTrivia)
{
return(Trivia.TriviaTypes.ElseDirectiveTriviaType);
}
else if (t.Kind() == SyntaxKind.PragmaChecksumDirectiveTrivia)
{
return(Trivia.TriviaTypes.PragmaChecksumDirectiveTriviaType);
}
else if (t.Kind() == SyntaxKind.LineDirectiveTrivia)
{
return(Trivia.TriviaTypes.LineDirectiveTriviaType);
}
else
{
#if DEBUG
Console.WriteLine(t.GetType().Name);
var code = t.ToString().Length > 50 ? t.ToString().Substring(0, 50) : t.ToString();
Console.WriteLine(code);
throw new Exception(t.Kind().ToString());
#else
return(Trivia.TriviaTypes.UnknownTriviaSyntaxType);
#endif
}
}
public static NodeInfo GetNodeInfo(this SyntaxTrivia trivia)
{
var typeObject = trivia.GetType();
var nodeClassName = typeObject.Name;
var properties = typeObject.GetTypeInfo().DeclaredProperties;
return(new NodeInfo(typeObject.Name, (
from p in properties
where IsField(p)
select GetFieldInfo(p, trivia)).ToArray()));
}
public static NodeInfo GetNodeInfo(this SyntaxTrivia trivia)
{
var typeObject = trivia.GetType();
var nodeClassName = typeObject.Name;
var properties = typeObject.GetProperties(BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.Public);
return(new NodeInfo(typeObject.Name, (
from p in properties
where IsField(p)
select GetFieldInfo(p, trivia)).ToArray()));
}
private void AddTrivia(TreeViewItem parentItem, SyntaxTrivia trivia, bool isLeadingTrivia)
{
var kind = trivia.GetKind();
var tag = new SyntaxTag()
{
SyntaxTrivia = trivia,
Category = SyntaxCategory.SyntaxTrivia,
Span = trivia.Span,
FullSpan = trivia.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = false,
Foreground = Brushes.Maroon,
Background = trivia.ContainsDiagnostics ? Brushes.Pink : Brushes.White,
Header = (isLeadingTrivia ? "Lead: " : "Trail: ") + tag.Kind + " " + trivia.Span.ToString()
};
if (SyntaxTree != null && trivia.ContainsDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(trivia))
{
item.ToolTip += diagnostic.ToString() + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler((sender, e) =>
{
_isNavigatingFromTreeToSource = true;
typeTextLabel.Visibility = Visibility.Visible;
kindTextLabel.Visibility = Visibility.Visible;
typeValueLabel.Content = trivia.GetType().Name;
kindValueLabel.Content = kind;
_propertyGrid.SelectedObject = trivia;
item.IsExpanded = true;
if (!_isNavigatingFromSourceToTree && SyntaxTriviaNavigationToSourceRequested != null)
{
SyntaxTriviaNavigationToSourceRequested(trivia);
}
_isNavigatingFromTreeToSource = false;
e.Handled = true;
});
item.Expanded += new RoutedEventHandler((sender, e) =>
{
if (item.Items.Count == 1 && item.Items[0] == null)
{
// Remove placeholder child and populate real children.
item.Items.RemoveAt(0);
AddNode(item, trivia.GetStructure());
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
typeTextLabel.Visibility = Visibility.Hidden;
kindTextLabel.Visibility = Visibility.Hidden;
typeValueLabel.Content = string.Empty;
kindValueLabel.Content = string.Empty;
}
else
{
parentItem.Items.Add(item);
}
if (trivia.HasStructure)
{
if (IsLazy)
{
// Add placeholder child to indicate that real children need to be populated on expansion.
item.Items.Add(null);
}
else
{
// Recursively populate all descendants.
AddNode(item, trivia.GetStructure());
}
}
}
private void AddTrivia(TreeViewItem parentItem, SyntaxTrivia trivia, bool isLeadingTrivia)
{
var kind = trivia.GetKind();
var tag = new SyntaxTag()
{
SyntaxTrivia = trivia,
Category = SyntaxCategory.SyntaxTrivia,
Span = trivia.Span,
FullSpan = trivia.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = CreateTreeViewItem(tag, (isLeadingTrivia ? "Lead: " : "Trail: ") + tag.Kind + " " + trivia.Span.ToString(), trivia.ContainsDiagnostics);
item.SetResourceReference(ForegroundProperty, SyntaxTriviaTextBrushKey);
if (SyntaxTree != null && trivia.ContainsDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(trivia))
{
item.ToolTip += diagnostic.ToString() + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler((sender, e) =>
{
_isNavigatingFromTreeToSource = true;
typeTextLabel.Visibility = Visibility.Visible;
kindTextLabel.Visibility = Visibility.Visible;
typeValueLabel.Content = trivia.GetType().Name;
kindValueLabel.Content = kind;
_propertyGrid.SelectedObject = trivia;
item.IsExpanded = true;
if (!_isNavigatingFromSourceToTree && SyntaxTriviaNavigationToSourceRequested != null)
{
SyntaxTriviaNavigationToSourceRequested(trivia);
}
_isNavigatingFromTreeToSource = false;
e.Handled = true;
});
item.Expanded += new RoutedEventHandler((sender, e) =>
{
if (item.Items.Count == 1 && item.Items[0] == null)
{
// Remove placeholder child and populate real children.
item.Items.RemoveAt(0);
AddNode(item, trivia.GetStructure());
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
typeTextLabel.Visibility = Visibility.Hidden;
kindTextLabel.Visibility = Visibility.Hidden;
typeValueLabel.Content = string.Empty;
kindValueLabel.Content = string.Empty;
}
else
{
parentItem.Items.Add(item);
}
if (trivia.HasStructure)
{
if (IsLazy)
{
// Add placeholder child to indicate that real children need to be populated on expansion.
item.Items.Add(null);
}
else
{
// Recursively populate all descendants.
AddNode(item, trivia.GetStructure());
}
}
}