Add folding support.

ILSpy/Disassembler/ReflectionDisassembler.cs

@@ -18,6 +18,7 @@ namespace ICSharpCode.ILSpy.Disassembler
 		ITextOutput output;
 		CancellationToken cancellationToken;
 		bool detectControlStructure;
+		bool isInType; // whether we are currently disassembling a whole type (-> defaultCollapsed for foldings)
 		MethodBodyDisassembler methodBodyDisassembler;
 		
 		public ReflectionDisassembler(ITextOutput output, bool detectControlStructure, CancellationToken cancellationToken)
@@ -123,9 +124,8 @@ namespace ICSharpCode.ILSpy.Disassembler
 				output.Write("unmanaged ");
 			WriteFlags(method.ImplAttributes & ~(MethodImplAttributes.CodeTypeMask | MethodImplAttributes.ManagedMask), methodImpl);
 			
-			output.WriteLine();
 			output.Unindent();
-			OpenBlock();
+			OpenBlock(isInType);
 			WriteAttributes(method.CustomAttributes);
 			
 			if (method.HasBody)
@@ -195,8 +195,8 @@ namespace ICSharpCode.ILSpy.Disassembler
 			WriteFlags(property.Attributes, propertyAttributes);
 			property.PropertyType.WriteTo(output);
 			output.Write(' ');
-			output.WriteLine(DisassemblerHelpers.Escape(property.Name));
+			output.Write(DisassemblerHelpers.Escape(property.Name));
-			OpenBlock();
+			OpenBlock(false);
 			WriteAttributes(property.CustomAttributes);
 			WriteNestedMethod(".get", property.GetMethod);
 			WriteNestedMethod(".set", property.SetMethod);
@@ -235,8 +235,8 @@ namespace ICSharpCode.ILSpy.Disassembler
 			WriteFlags(ev.Attributes, eventAttributes);
 			ev.EventType.WriteTo(output);
 			output.Write(' ');
-			output.WriteLine(DisassemblerHelpers.Escape(ev.Name));
+			output.Write(DisassemblerHelpers.Escape(ev.Name));
-			OpenBlock();
+			OpenBlock(false);
 			WriteAttributes(ev.CustomAttributes);
 			WriteNestedMethod(".add", ev.AddMethod);
 			WriteNestedMethod(".remove", ev.RemoveMethod);
@@ -293,17 +293,19 @@ namespace ICSharpCode.ILSpy.Disassembler
 			const TypeAttributes masks = TypeAttributes.ClassSemanticMask | TypeAttributes.VisibilityMask | TypeAttributes.LayoutMask | TypeAttributes.StringFormatMask;
 			WriteFlags(type.Attributes & ~masks, typeAttributes);
 			
-			output.WriteLine(DisassemblerHelpers.Escape(type.Name));
+			output.Write(DisassemblerHelpers.Escape(type.Name));
 			
 			if (type.BaseType != null) {
+				output.WriteLine();
 				output.Indent();
 				output.Write("extends ");
 				type.BaseType.WriteTo(output);
 				output.Unindent();
-				output.WriteLine();
 			}
 			
-			OpenBlock();
+			OpenBlock(isInType);
+			bool oldIsInType = isInType;
+			isInType = true;
 			WriteAttributes(type.CustomAttributes);
 			if (type.HasLayoutInfo) {
 				output.WriteLine(".pack {0}", type.PackingSize);
@@ -357,6 +359,7 @@ namespace ICSharpCode.ILSpy.Disassembler
 				output.WriteLine();
 			}
 			CloseBlock();
+			isInType = oldIsInType;
 		}
 		#endregion
 
@@ -394,9 +397,10 @@ namespace ICSharpCode.ILSpy.Disassembler
 			output.Write(")");
 		}
 		
-		void OpenBlock()
+		void OpenBlock(bool defaultCollapsed)
 		{
-			output.MarkFoldStart();
+			output.MarkFoldStart(defaultCollapsed: defaultCollapsed);
+			output.WriteLine();
 			output.WriteLine("{");
 			output.Indent();
 		}

ILSpy/ITextOutput.cs

@@ -32,7 +32,7 @@ namespace ICSharpCode.ILSpy
 		void WriteDefinition(string text, object definition);
 		void WriteReference(string text, object reference);
 		
-		void MarkFoldStart(string collapsedText = "...", bool defaultClosed = false);
+		void MarkFoldStart(string collapsedText = "...", bool defaultCollapsed = false);
 		void MarkFoldEnd();
 	}
 	
@@ -101,7 +101,7 @@ namespace ICSharpCode.ILSpy
 			Write(text);
 		}
 		
-		void ITextOutput.MarkFoldStart(string collapsedText, bool defaultClosed)
+		void ITextOutput.MarkFoldStart(string collapsedText, bool defaultCollapsed)
 		{
 		}
 		

ILSpy/TextView/DecompilerTextView.cs

@@ -13,6 +13,7 @@ using System.Windows.Media.Animation;
 using System.Windows.Threading;
 using System.Xml;
 using ICSharpCode.AvalonEdit;
+using ICSharpCode.AvalonEdit.Folding;
 using ICSharpCode.AvalonEdit.Highlighting;
 using ICSharpCode.AvalonEdit.Highlighting.Xshd;
 using Mono.Cecil;
@@ -25,6 +26,7 @@ namespace ICSharpCode.ILSpy.TextView
 	sealed partial class DecompilerTextView : UserControl
 	{
 		readonly ReferenceElementGenerator referenceElementGenerator;
+		readonly FoldingManager foldingManager;
 		internal MainWindow mainWindow;
 		
 		DefinitionLookup definitionLookup;
@@ -46,6 +48,7 @@ namespace ICSharpCode.ILSpy.TextView
 			this.referenceElementGenerator = new ReferenceElementGenerator(this);
 			textEditor.TextArea.TextView.ElementGenerators.Add(referenceElementGenerator);
 			textEditor.Text = "Welcome to ILSpy!";
+			foldingManager = FoldingManager.Install(textEditor.TextArea);
 		}
 		
 		public void Decompile(IEnumerable<ILSpyTreeNodeBase> treeNodes)
@@ -66,12 +69,14 @@ namespace ICSharpCode.ILSpy.TextView
 					if (currentCancellationTokenSource == myCancellationTokenSource) {
 						currentCancellationTokenSource = null;
 						waitAdorner.Visibility = Visibility.Collapsed;
+						foldingManager.Clear();
 						try {
 							SmartTextOutput textOutput = task.Result;
 							referenceElementGenerator.References = textOutput.References;
 							definitionLookup = textOutput.DefinitionLookup;
 							textEditor.SyntaxHighlighting = ILSpy.Language.Current.SyntaxHighlighting;
 							textEditor.Text = textOutput.ToString();
+							foldingManager.UpdateFoldings(textOutput.Foldings.OrderBy(f => f.StartOffset), -1);
 						} catch (AggregateException ex) {
 							textEditor.SyntaxHighlighting = null;
 							referenceElementGenerator.References = null;

ILSpy/TextView/ILAsm-Mode.xshd

@@ -1,9 +1,7 @@
 <SyntaxDefinition name="ILAsm" extensions=".il" xmlns="http://icsharpcode.net/sharpdevelop/syntaxdefinition/2008">
 	<Color name="Comment" foreground="Green" exampleText="// comment" />
 	<Color name="String" foreground="Magenta" exampleText="&quot;Hello, World!&quot;" />
-	<Color name="Punctuation" foreground="DarkGreen" exampleText="a(b.c);" />
 	<Color name="NumberLiteral" foreground="DarkBlue" exampleText="3.1415" />
-	<Color name="MethodCall" foreground="MidnightBlue" fontWeight="bold" exampleText="o.ToString();" />
 	<Color name="Instructions" foreground="Blue" exampleText="nop;" />
 	<Color name="Keywords" foreground="Blue" fontWeight="bold" exampleText="true" />
 	<Color name="Directives" foreground="Green" fontWeight="bold" exampleText=".class" />
@@ -506,7 +504,6 @@
 			<Begin>"</Begin>
 			<End>"</End>
 		</Span>
-		<Rule color="MethodCall">[\d\w_]+(?=(\s*\())</Rule>
 		<Rule color="NumberLiteral">\b0[xX][0-9a-fA-F]+|\b(\d+(\.[0-9]+)?|\.[0-9]+)([eE][+-]?[0-9]+)?</Rule>
 		<!--<Rule color="Punctuation">
 			[?,.;()\[\]{}+\-/%*&lt;&gt;^+~!|&amp;]+

ILSpy/TextView/SmartTextOutput.cs

@@ -129,9 +129,10 @@ namespace ICSharpCode.ILSpy.TextView
 			references.Add(new ReferenceSegment { StartOffset = start, EndOffset = end, Reference = reference });
 		}
 		
-		public void MarkFoldStart(string collapsedText, bool defaultClosed)
+		public void MarkFoldStart(string collapsedText, bool defaultCollapsed)
 		{
-			openFoldings.Push(new NewFolding { StartOffset = b.Length, Name = collapsedText, DefaultClosed = defaultClosed });
+			WriteIndent();
+			openFoldings.Push(new NewFolding { StartOffset = b.Length, Name = collapsedText, DefaultClosed = defaultCollapsed });
 		}
 		
 		public void MarkFoldEnd()