// Returns the last used id
private int PopulateGraph(Graph graph, SyntaxWrapper wrapper, int id, string parentId)
{
// Check if filtering
if ((wrapper.GetSyntaxObject() is SyntaxToken && _syntaxTokenCheckBox != null && !_syntaxTokenCheckBox.Checked)
|| (wrapper.GetSyntaxObject() is SyntaxTrivia && _syntaxTriviaCheckBox != null && !_syntaxTriviaCheckBox.Checked))
{
return id;
}
// Create the node
string nodeId = id.ToString();
Node node = new Node(nodeId);
Color color = wrapper.GetColor();
node.Attr.FillColor = new Microsoft.Msagl.Drawing.Color(color.R, color.G, color.B);
node.Attr.LabelMargin = 10;
node.LabelText = wrapper.GetGraphText();
node.Label.FontColor = Microsoft.Msagl.Drawing.Color.White;
node.Label.FontStyle = (Microsoft.Msagl.Drawing.FontStyle)(int) wrapper.GetGraphFontStyle();
graph.AddNode(node);
// Add the edge
if (parentId != null)
{
graph.AddEdge(parentId, nodeId);
}
// Descend
IEnumerable children = wrapper.GetChildren();
if (children != null)
{
// Note that we have to iterate children in reverse order to get them to layout in the correct order
foreach (SyntaxWrapper childWrapper in children.Cast<SyntaxWrapper>().Reverse())
{
id = PopulateGraph(graph, childWrapper, id + 1, nodeId);
}
}
return id;
}
private void CreateTreeList(string declarationFilter)
{
// Create the tree view
_treeList = new TreeListView()
{
CanExpandGetter = x => ((SyntaxWrapper)x).CanExpand(),
ChildrenGetter = x => ((SyntaxWrapper)x).GetChildren(),
UseCellFormatEvents = true,
Dock = DockStyle.Fill,
UseFiltering = true
};
_treeList.FormatCell += (x, e) => ((SyntaxWrapper)e.CellValue).FormatCell(e);
_treeList.BeforeSorting += (x, e) => e.Canceled = true;
// Select - show the text
_treeList.SelectedIndexChanged += (x, e) =>
{
if (_treeList.SelectedItem != null)
{
SyntaxWrapper wrapper = (SyntaxWrapper)_treeList.SelectedItem.RowObject;
_textBox.Text = wrapper.GetSyntaxObject().ToString();
PopulateGraph(wrapper);
}
};
// Activate - dump the syntax object
_treeList.ItemActivate += (x, e) =>
{
if (_treeList.SelectedItem != null)
{
SyntaxWrapper wrapper = (SyntaxWrapper)_treeList.SelectedItem.RowObject;
wrapper.GetSyntaxObject().Dump(wrapper.GetKind() + " " + wrapper.GetSpan());
}
};
// Context menus - dump semantic nodes
_treeList.CellRightClick += (x, e) =>
{
e.MenuStrip = null;
if (_treeList.SelectedItem != null)
{
SyntaxNodeWrapper wrapper = _treeList.SelectedItem.RowObject as SyntaxNodeWrapper;
if (wrapper != null)
{
ContextMenuStrip menuStrip = new ContextMenuStrip();
SyntaxNode syntaxNode = (SyntaxNode)wrapper.GetSyntaxObject();
// Dump Symbol
ISymbol symbol = GetSymbol(syntaxNode);
if (symbol != null)
{
menuStrip.Items.Add("Dump Symbol").Click +=
(x2, e2) => symbol.Dump(symbol.Kind + " " + wrapper.GetSpan());
}
// Dump TypeSymbol
ITypeSymbol typeSymbol = GetTypeSymbol(syntaxNode);
if (typeSymbol != null)
{
menuStrip.Items.Add("Dump TypeSymbol").Click +=
(x2, e2) => typeSymbol.Dump(typeSymbol.Kind + " " + wrapper.GetSpan());
}
// Dump Converted TypeSymbol
ITypeSymbol convertedTypeSymbol = GetConvertedTypeSymbol(syntaxNode);
if (convertedTypeSymbol != null)
{
menuStrip.Items.Add("Dump Converted TypeSymbol").Click +=
(x2, e2) => convertedTypeSymbol.Dump(convertedTypeSymbol.Kind + " " + wrapper.GetSpan());
}
// Dump AliasSymbol
IAliasSymbol aliasSymbol = GetAliasSymbol(syntaxNode);
if (aliasSymbol != null)
{
menuStrip.Items.Add("Dump AliasSymbol").Click +=
(x2, e2) => aliasSymbol.Dump(aliasSymbol.Kind + " " + wrapper.GetSpan());
}
// Dump ContantValue
object constantValue;
if (GetConstantValue(syntaxNode, out constantValue))
{
menuStrip.Items.Add("Show Constant Value").Click +=
(x2, e2) => MessageBox.Show(constantValue.ToString(), constantValue.GetType().Name + " " + wrapper.GetSpan(), MessageBoxButtons.OK);
}
// Add the menu strip if any items were added
if (menuStrip.Items.Count > 0)
{
e.MenuStrip = menuStrip;
}
}
}
};
// Create columns
_treeList.Columns.Add(new OLVColumn("Kind", null)
{
AspectGetter = x => x,
AspectToStringConverter = x => ((SyntaxWrapper)x).GetTreeText()
});
_treeList.Columns.Add(new OLVColumn("Span", null)
{
AspectGetter = x => x,
AspectToStringConverter = x => ((SyntaxWrapper)x).GetSpan()
});
_treeList.Columns.Add(new OLVColumn("Text", null)
{
AspectGetter = x => x,
AspectToStringConverter = x => ((SyntaxWrapper)x).GetText()
});
// Set the root
SyntaxNode root;
int depth = 0;
if (_syntaxTree.TryGetRoot(out root))
{
SetRoots(declarationFilter);
depth = GetDepth(root);
}
// Calculate control width
AutoSizeColumns(_treeList, depth, true);
_treeList.Layout += (x, e) => AutoSizeColumns(_treeList, depth, false);
}
// This populates the graph using a given root of the tree
// If the root is null, then the graph is cleared
private void PopulateGraph(SyntaxWrapper wrapper)
{
_graphViewer.SuspendLayout();
Graph graph = new Graph();
if (wrapper != null)
{
PopulateGraph(graph, wrapper, 0, null);
}
_graphViewer.Graph = graph;
_graphViewer.ResumeLayout();
}