// Select the SyntaxNode / SyntaxToken / SyntaxTrivia whose span best matches the supplied span.
private TreeViewItem NavigateToBestMatch(TreeViewItem current, TextSpan span, string kind = null)
{
TreeViewItem match = null;
if (current != null)
{
SyntaxTag currentTag = (SyntaxTag)current.Tag;
if (currentTag.FullSpan.Contains(span))
{
if (currentTag.Span == span || currentTag.FullSpan == span)
{
if (kind == null)
{
CollapseEverythingBut(current);
match = current;
}
else if (currentTag.Kind == kind)
{
CollapseEverythingBut(current);
match = current;
}
}
else
{
CollapseEverythingBut(current);
foreach (TreeViewItem item in current.Items)
{
match = NavigateToBestMatch(item, span, kind);
if (match != null)
{
break;
}
}
if (match == null)
{
if (kind == null)
{
match = current;
}
else if (currentTag.Kind == kind)
{
match = current;
}
}
}
}
}
return(match);
}
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 AddNode(TreeViewItem parentItem, SyntaxNode node)
{
var kind = node.GetKind();
var tag = new SyntaxTag()
{
SyntaxNode = node,
Category = SyntaxCategory.SyntaxNode,
Span = node.Span,
FullSpan = node.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = false,
Foreground = Brushes.Blue,
Background = node.ContainsDiagnostics ? Brushes.Pink : Brushes.White,
Header = tag.Kind + " " + node.Span.ToString()
};
if (SyntaxTree != null && node.ContainsDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(node))
{
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 = node.GetType().Name;
kindValueLabel.Content = kind;
_propertyGrid.SelectedObject = node;
item.IsExpanded = true;
if (!_isNavigatingFromSourceToTree && SyntaxNodeNavigationToSourceRequested != null)
{
SyntaxNodeNavigationToSourceRequested(node);
}
_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);
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
}
else
{
parentItem.Items.Add(item);
}
if (node.ChildNodesAndTokens().Count > 0)
{
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.
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
}
}
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());
}
}
}
private void AddNode(TreeViewItem parentItem, SyntaxNode node)
{
var kind = node.GetKind();
var tag = new SyntaxTag()
{
SyntaxNode = node,
Category = SyntaxCategory.SyntaxNode,
Span = node.Span,
FullSpan = node.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = CreateTreeViewItem(tag, tag.Kind + " " + node.Span.ToString(), node.ContainsDiagnostics);
item.SetResourceReference(ForegroundProperty, SyntaxNodeTextBrushKey);
if (SyntaxTree != null && node.ContainsDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(node))
{
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 = node.GetType().Name;
kindValueLabel.Content = kind;
_propertyGrid.SelectedObject = node;
item.IsExpanded = true;
if (!_isNavigatingFromSourceToTree && SyntaxNodeNavigationToSourceRequested != null)
{
SyntaxNodeNavigationToSourceRequested(node);
}
_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);
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
}
else
{
parentItem.Items.Add(item);
}
if (node.ChildNodesAndTokens().Count > 0)
{
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.
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
}
}
private void AddTrivia(TreeViewItem parentItem, CommonSyntaxTrivia trivia, bool isLeadingTrivia)
{
var kind = trivia.GetKind(SourceLanguage);
var tag = new SyntaxTag()
{
SyntaxTrivia = trivia,
IsSyntaxNode = false,
IsSyntaxToken = false,
IsSyntaxTrivia = true,
Span = trivia.Span,
FullSpan = trivia.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = true,
Foreground = Brushes.Maroon,
Background = trivia.HasDiagnostics ? Brushes.Pink : Brushes.White,
Header = (isLeadingTrivia ? "Lead: " : "Trail: ") + tag.Kind + " " + trivia.Span.ToString()
};
if (trivia.HasDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(trivia))
{
item.ToolTip += diagnostic.ToString(null) + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler((sender, e) =>
{
if (!e.Handled)
{
isNavigatingFromTreeToSource = true;
typeTextLabel.Visibility = Visibility.Visible;
kindTextLabel.Visibility = Visibility.Visible;
typeValueLabel.Content = trivia.GetType().Name;
kindValueLabel.Content = kind;
propertyGrid.SelectedObject = trivia;
// If IsLazy is true then populate only child items.
if (IsLazy && item.Items.Count == 0 && trivia.HasStructure)
{
AddNode(item, trivia.GetStructure());
}
item.IsExpanded = true;
if (!isNavigatingFromSourceToTree && SyntaxTriviaNavigationToSourceRequested != null)
{
SyntaxTriviaNavigationToSourceRequested(trivia);
}
isNavigatingFromTreeToSource = false;
e.Handled = true;
}
});
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 IsLazy is false then recursively populate all descendent items.
if (!IsLazy && trivia.HasStructure)
{
AddNode(item, trivia.GetStructure());
}
}
private void AddNode(TreeViewItem parentItem, CommonSyntaxNode node)
{
var kind = node.GetKind(SourceLanguage);
var tag = new SyntaxTag()
{
SyntaxNode = node,
IsSyntaxNode = true,
IsSyntaxToken = false,
IsSyntaxTrivia = false,
Span = node.Span,
FullSpan = node.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = true,
Foreground = Brushes.Blue,
Background = node.HasDiagnostics ? Brushes.Pink : Brushes.White,
Header = tag.Kind + " " + node.Span.ToString()
};
if (node.HasDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(node))
{
item.ToolTip += diagnostic.ToString(null) + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler((sender, e) =>
{
if (!e.Handled)
{
isNavigatingFromTreeToSource = true;
typeTextLabel.Visibility = Visibility.Visible;
kindTextLabel.Visibility = Visibility.Visible;
typeValueLabel.Content = node.GetType().Name;
kindValueLabel.Content = kind;
propertyGrid.SelectedObject = node;
// If IsLazy is true then populate only child items.
if (IsLazy && item.Items.Count == 0 && node.HasChildren)
{
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
item.IsExpanded = true;
if (!isNavigatingFromSourceToTree && SyntaxNodeNavigationToSourceRequested != null)
{
SyntaxNodeNavigationToSourceRequested(node);
}
isNavigatingFromTreeToSource = false;
e.Handled = true;
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
}
else
{
parentItem.Items.Add(item);
}
// If IsLazy is false then recursively populate all descendent items.
if (!IsLazy && node.HasChildren)
{
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
}
private void AddToken(TreeViewItem parentItem, SyntaxToken token)
{
var kind = token.GetKind();
var tag = new SyntaxTag()
{
SyntaxToken = token,
Category = SyntaxCategory.SyntaxToken,
Span = token.Span,
FullSpan = token.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = false,
Foreground = Brushes.DarkGreen,
Background = token.ContainsDiagnostics ? Brushes.Pink : Brushes.White,
Header = tag.Kind + " " + token.Span.ToString()
};
if (SyntaxTree != null && token.ContainsDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(token))
{
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 = token.GetType().Name;
kindValueLabel.Content = kind;
_propertyGrid.SelectedObject = token;
item.IsExpanded = true;
if (!_isNavigatingFromSourceToTree && SyntaxTokenNavigationToSourceRequested != null)
{
SyntaxTokenNavigationToSourceRequested(token);
}
_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);
foreach (var trivia in token.LeadingTrivia)
{
AddTrivia(item, trivia, true);
}
foreach (var trivia in token.TrailingTrivia)
{
AddTrivia(item, trivia, false);
}
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
}
else
{
parentItem.Items.Add(item);
}
if (token.HasLeadingTrivia || token.HasTrailingTrivia)
{
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.
foreach (var trivia in token.LeadingTrivia)
{
AddTrivia(item, trivia, true);
}
foreach (var trivia in token.TrailingTrivia)
{
AddTrivia(item, trivia, false);
}
}
}
}
private void AddTrivia(TreeViewItem parentItem, CommonSyntaxTrivia trivia, bool isLeadingTrivia)
{
var kind = trivia.GetKind(SourceLanguage);
var tag = new SyntaxTag()
{
SyntaxTrivia = trivia,
IsSyntaxNode = false,
IsSyntaxToken = false,
IsSyntaxTrivia = true,
Span = trivia.Span,
FullSpan = trivia.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = true,
Foreground = Brushes.Maroon,
Background = trivia.HasDiagnostics ? Brushes.Pink : Brushes.White,
Header = (isLeadingTrivia ? "Lead: " : "Trail: ") + tag.Kind + " " + trivia.Span.ToString()
};
if (trivia.HasDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(trivia))
{
item.ToolTip += diagnostic.ToString(null) + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler((sender, e) =>
{
if (!e.Handled)
{
isNavigatingFromTreeToSource = true;
typeTextLabel.Visibility = Visibility.Visible;
kindTextLabel.Visibility = Visibility.Visible;
typeValueLabel.Content = trivia.GetType().Name;
kindValueLabel.Content = kind;
propertyGrid.SelectedObject = trivia;
// If IsLazy is true then populate only child items.
if (IsLazy && item.Items.Count == 0 && trivia.HasStructure)
{
AddNode(item, trivia.GetStructure());
}
item.IsExpanded = true;
if (!isNavigatingFromSourceToTree && SyntaxTriviaNavigationToSourceRequested != null)
{
SyntaxTriviaNavigationToSourceRequested(trivia);
}
isNavigatingFromTreeToSource = false;
e.Handled = true;
}
});
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 IsLazy is false then recursively populate all descendent items.
if (!IsLazy && trivia.HasStructure)
{
AddNode(item, trivia.GetStructure());
}
}
private void AddNode(TreeViewItem parentItem, CommonSyntaxNode node)
{
var kind = node.GetKind(SourceLanguage);
var tag = new SyntaxTag()
{
SyntaxNode = node,
IsSyntaxNode = true,
IsSyntaxToken = false,
IsSyntaxTrivia = false,
Span = node.Span,
FullSpan = node.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = true,
Foreground = Brushes.Blue,
Background = node.HasDiagnostics ? Brushes.Pink : Brushes.White,
Header = tag.Kind + " " + node.Span.ToString()
};
if (node.HasDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(node))
{
item.ToolTip += diagnostic.ToString(null) + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler((sender, e) =>
{
if (!e.Handled)
{
isNavigatingFromTreeToSource = true;
typeTextLabel.Visibility = Visibility.Visible;
kindTextLabel.Visibility = Visibility.Visible;
typeValueLabel.Content = node.GetType().Name;
kindValueLabel.Content = kind;
propertyGrid.SelectedObject = node;
// If IsLazy is true then populate only child items.
if (IsLazy && item.Items.Count == 0 && node.HasChildren)
{
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
item.IsExpanded = true;
if (!isNavigatingFromSourceToTree && SyntaxNodeNavigationToSourceRequested != null)
{
SyntaxNodeNavigationToSourceRequested(node);
}
isNavigatingFromTreeToSource = false;
e.Handled = true;
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
}
else
{
parentItem.Items.Add(item);
}
// If IsLazy is false then recursively populate all descendent items.
if (!IsLazy && node.HasChildren)
{
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
}
