Merge NRefactory 'b1804fd9df13d063830207a14cb4a1f0902c06a3' into SharpDevelop (newNR branch)

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/OutputVisitorTests.cs

@@ -0,0 +1,53 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.IO;
+using NUnit.Framework;
+
+namespace ICSharpCode.NRefactory.CSharp
+{
+	[TestFixture]
+	public class OutputVisitorTests
+	{
+		void AssertOutput(string expected, Expression expr, CSharpFormattingOptions policy = null)
+		{
+			if (policy == null)
+				policy = new CSharpFormattingOptions();;
+			StringWriter w = new StringWriter();
+			w.NewLine = "\n";
+			expr.AcceptVisitor(new OutputVisitor(new TextWriterOutputFormatter(w) { IndentationString = "\t" }, policy), null);
+			Assert.AreEqual(expected.Replace("\r", ""), w.ToString());
+		}
+		
+		[Test, Ignore("Incorrect whitespace")]
+		public void AssignmentInCollectionInitialize()
+		{
+			Expression expr = new ObjectCreateExpression {
+				Type = new SimpleType("List"),
+				Initializer = new ArrayInitializerExpression(
+					new ArrayInitializerExpression(
+						new AssignmentExpression(new IdentifierExpression("a"), new PrimitiveExpression(1))
+					)
+				)
+			};
+			
+			AssertOutput("new List {\n  {\n    a = 1\n  }\n}", expr);
+		}
+	}
+}

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/Expression/AnonymousTypeCreateExpressionTests.cs

@@ -31,7 +31,7 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 				"new { Name = \"Test\", Price, Something.Property }",
 				new AnonymousTypeCreateExpression {
 					Initializers = {
-						new NamedArgumentExpression("Name", new PrimitiveExpression("Test")),
+						new NamedExpression("Name", new PrimitiveExpression("Test")),
 						new IdentifierExpression("Price"),
 						new IdentifierExpression("Something").Member("Property")
 					}});

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/Expression/ArrayCreateExpressionTests.cs

@@ -121,5 +121,18 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 						}
 					}});
 		}
+		
+		[Test]
+		public void AssignmentInArrayInitializer()
+		{
+			ParseUtilCSharp.AssertExpression(
+				"new [] { a = 10 }",
+				new ArrayCreateExpression {
+					Initializer = new ArrayInitializerExpression {
+						Elements = {
+							new AssignmentExpression(new IdentifierExpression("a"), new PrimitiveExpression(10))
+						}
+					}});
+		}
 	}
 }

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/Expression/AssignmentExpressionTests.cs

@@ -105,7 +105,9 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 		{
 			ParseUtilCSharp.AssertExpression(
 				"a = b = c",
-				new AssignmentExpression("a", new AssignmentExpression("b", new IdentifierExpression("c"))));
+				new AssignmentExpression(
+					new IdentifierExpression("a"),
+					new AssignmentExpression(new IdentifierExpression("b"), new IdentifierExpression("c"))));
 		}
 	}
 }

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/Expression/ObjectCreateExpressionTests.cs

@@ -58,8 +58,8 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 					Type = new SimpleType("Point"),
 					Initializer = new ArrayInitializerExpression {
 						Elements = {
-							new AssignmentExpression("X", new PrimitiveExpression(0)),
-							new AssignmentExpression("Y", new PrimitiveExpression(1))
+							new NamedExpression("X", new PrimitiveExpression(0)),
+							new NamedExpression("Y", new PrimitiveExpression(1))
 						}
 					}});
 		}
@@ -73,8 +73,8 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 					Type = new SimpleType("Point"),
 					Initializer = new ArrayInitializerExpression {
 						Elements = {
-							new AssignmentExpression("X", new PrimitiveExpression(0)),
-							new AssignmentExpression("Y", new PrimitiveExpression(1))
+							new NamedExpression("X", new PrimitiveExpression(0)),
+							new NamedExpression("Y", new PrimitiveExpression(1))
 						}
 					}});
 		}
@@ -88,8 +88,8 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 					Type = new SimpleType("Point"),
 					Initializer = new ArrayInitializerExpression {
 						Elements = {
-							new AssignmentExpression("X", new PrimitiveExpression(0)),
-							new AssignmentExpression("Y", new PrimitiveExpression(1))
+							new NamedExpression("X", new PrimitiveExpression(0)),
+							new NamedExpression("Y", new PrimitiveExpression(1))
 						}
 					}});
 		}
@@ -103,24 +103,24 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 					Type = new SimpleType("Rectangle"),
 					Initializer = new ArrayInitializerExpression {
 						Elements = {
-							new AssignmentExpression(
+							new NamedExpression(
 								"P1",
 								new ObjectCreateExpression {
 									Type = new SimpleType("Point"),
 									Initializer = new ArrayInitializerExpression {
 										Elements = {
-											new AssignmentExpression("X", new PrimitiveExpression(0)),
-											new AssignmentExpression("Y", new PrimitiveExpression(1))
+											new NamedExpression("X", new PrimitiveExpression(0)),
+											new NamedExpression("Y", new PrimitiveExpression(1))
 										}
 									}}),
-							new AssignmentExpression(
+							new NamedExpression(
 								"P2",
 								new ObjectCreateExpression {
 									Type = new SimpleType("Point"),
 									Initializer = new ArrayInitializerExpression {
 										Elements = {
-											new AssignmentExpression("X", new PrimitiveExpression(2)),
-											new AssignmentExpression("Y", new PrimitiveExpression(3))
+											new NamedExpression("X", new PrimitiveExpression(2)),
+											new NamedExpression("Y", new PrimitiveExpression(3))
 										}
 									}})
 						}}});
@@ -135,20 +135,20 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 					Type = new SimpleType("Rectangle"),
 					Initializer = new ArrayInitializerExpression {
 						Elements = {
-							new AssignmentExpression(
+							new NamedExpression(
 								"P1",
 								new ArrayInitializerExpression {
 									Elements = {
-										new AssignmentExpression("X", new PrimitiveExpression(0)),
-										new AssignmentExpression("Y", new PrimitiveExpression(1))
+										new NamedExpression("X", new PrimitiveExpression(0)),
+										new NamedExpression("Y", new PrimitiveExpression(1))
 									}
 								}),
-							new AssignmentExpression(
+							new NamedExpression(
 								"P2",
 								new ArrayInitializerExpression {
 									Elements = {
-										new AssignmentExpression("X", new PrimitiveExpression(2)),
-										new AssignmentExpression("Y", new PrimitiveExpression(3))
+										new NamedExpression("X", new PrimitiveExpression(2)),
+										new NamedExpression("Y", new PrimitiveExpression(3))
 									}
 								})
 						}}});
@@ -163,9 +163,9 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 					Type = new SimpleType("List", new PrimitiveType("int")),
 					Initializer = new ArrayInitializerExpression {
 						Elements = {
-							new PrimitiveExpression(0),
-							new PrimitiveExpression(1),
-							new PrimitiveExpression(2)
+							new ArrayInitializerExpression(new PrimitiveExpression(0)),
+							new ArrayInitializerExpression(new PrimitiveExpression(1)),
+							new ArrayInitializerExpression(new PrimitiveExpression(2))
 						}}});
 		}
 		
@@ -204,34 +204,48 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 				}",
 				new ObjectCreateExpression {
 					Type = new SimpleType("List", new SimpleType("Contact")),
-					Initializer = new ArrayInitializerExpression {
-						Elements = {
+					Initializer = new ArrayInitializerExpression(
+						new ArrayInitializerExpression(
 							new ObjectCreateExpression {
 								Type = new SimpleType("Contact"),
 								Initializer = new ArrayInitializerExpression {
 									Elements = {
-										new AssignmentExpression("Name", new PrimitiveExpression("Chris")),
-										new AssignmentExpression(
-											"PhoneNumbers",
-											new ArrayInitializerExpression {
-												Elements = { new PrimitiveExpression("206-555-0101") }
-											})
-									}}},
+										new NamedExpression("Name", new PrimitiveExpression("Chris")),
+										new NamedExpression("PhoneNumbers", new ArrayInitializerExpression () {
+											Elements = { new ArrayInitializerExpression(new PrimitiveExpression("206-555-0101")) }
+										})
+									}}}),
+						new ArrayInitializerExpression(
 							new ObjectCreateExpression {
 								Type = new SimpleType("Contact"),
 								Arguments = { new IdentifierExpression("additionalParameter") },
 								Initializer = new ArrayInitializerExpression {
 									Elements = {
-										new AssignmentExpression("Name", new PrimitiveExpression("Bob")),
-										new AssignmentExpression(
-											"PhoneNumbers",
-											new ArrayInitializerExpression {
-												Elements = {
-													new PrimitiveExpression("650-555-0199"),
-													new PrimitiveExpression("425-882-8080")
-												}
-											})
-									}}}
+										new NamedExpression("Name", new PrimitiveExpression("Bob")),
+										new NamedExpression("PhoneNumbers", new ArrayInitializerExpression () {
+											Elements = {
+												new ArrayInitializerExpression(new PrimitiveExpression("650-555-0199")),
+												new ArrayInitializerExpression(new PrimitiveExpression("425-882-8080"))
+											}
+										})
+									}}})
+						)});
+		}
+		
+		[Test]
+		public void AssignmentInCollectionInitializer()
+		{
+			ParseUtilCSharp.AssertExpression(
+				@"new List<int> { { a = 1 } }",
+				new ObjectCreateExpression {
+					Type = new SimpleType("List", new PrimitiveType("int")),
+					Initializer = new ArrayInitializerExpression {
+						Elements = {
+							new ArrayInitializerExpression {
+								Elements = {
+									new AssignmentExpression(new IdentifierExpression("a"), new PrimitiveExpression(1))
+								}
+							}
 						}}});
 		}
 	}

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/Expression/PrimitiveExpressionTests.cs

@@ -214,5 +214,13 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
 			CheckLiteral(@"'\x0041'", '\x0041');
 			CheckLiteral(@"'\U00000041'", '\U00000041');
 		}
+		
+		[Test, Ignore(@"Parser includes \r in integer literal")]
+		public void TestPositionOfIntegerAtEndOfLine()
+		{
+			var pe = ParseUtilCSharp.ParseExpression<PrimitiveExpression>("0\r\n");
+			Assert.AreEqual(new AstLocation(1, 1), pe.StartLocation);
+			Assert.AreEqual(new AstLocation(1, 2), pe.EndLocation);
+		}
 	}
 }

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/GeneralScope/AttributeSectionTests.cs

@@ -30,7 +30,7 @@ namespace ICSharpCode.NRefactory.CSharp.Parser.GeneralScope
 	public class AttributeSectionTests
 	{
 		[Test]
-		public void GlobalAttributeCSharp()
+		public void AttributesUsingNamespaceAlias()
 		{
 			string program = @"[global::Microsoft.VisualBasic.CompilerServices.DesignerGenerated()]
 [someprefix::DesignerGenerated()]
@@ -45,7 +45,7 @@ public class Form1 {
 		}
 		
 		[Test]
-		public void AssemblyAttributeCSharp()
+		public void AssemblyAttribute()
 		{
 			string program = @"[assembly: System.Attribute()]";
 			AttributeSection decl = ParseUtilCSharp.ParseGlobal<AttributeSection>(program);
@@ -53,30 +53,8 @@ public class Form1 {
 			Assert.AreEqual("assembly", decl.AttributeTarget);
 		}
 		
-		[Test, Ignore("assembly/module attributes are broken")]
-		public void AssemblyAttributeCSharpWithNamedArguments()
-		{
-			string program = @"[assembly: Foo(1, namedArg: 2, prop = 3)]";
-			AttributeSection decl = ParseUtilCSharp.ParseGlobal<AttributeSection>(program);
-			Assert.AreEqual("assembly", decl.AttributeTarget);
-			var a = decl.Attributes.Single();
-			Assert.AreEqual("Foo", a.Type);
-			Assert.AreEqual(3, a.Arguments.Count());
-			
-			Assert.IsTrue(a.Arguments.ElementAt(0).IsMatch(new PrimitiveExpression(1)));
-			Assert.IsTrue(a.Arguments.ElementAt(1).IsMatch(new NamedArgumentExpression {
-			                                               	Identifier = "namedArg",
-			                                               	Expression = new PrimitiveExpression(2)
-			                                               }));
-			Assert.IsTrue(a.Arguments.ElementAt(2).IsMatch(new AssignmentExpression {
-			                                               	Left = new IdentifierExpression("prop"),
-			                                               	Operator = AssignmentOperatorType.Assign,
-			                                               	Right = new PrimitiveExpression(3)
-			                                               }));
-		}
-		
-		[Test, Ignore("assembly/module attributes are broken")]
-		public void ModuleAttributeCSharp()
+		[Test]
+		public void ModuleAttribute()
 		{
 			string program = @"[module: System.Attribute()]";
 			AttributeSection decl = ParseUtilCSharp.ParseGlobal<AttributeSection>(program);
@@ -85,7 +63,7 @@ public class Form1 {
 		}
 		
 		[Test]
-		public void TypeAttributeCSharp()
+		public void TypeAttribute()
 		{
 			string program = @"[type: System.Attribute()] class Test {}";
 			TypeDeclaration type = ParseUtilCSharp.ParseGlobal<TypeDeclaration>(program);
@@ -94,6 +72,22 @@ public class Form1 {
 			Assert.AreEqual("type", decl.AttributeTarget);
 		}
 		
+		[Test]
+		public void TwoAttributesInSameSection()
+		{
+			ParseUtilCSharp.AssertGlobal(
+				@"[A, B] class Test {}",
+				new TypeDeclaration {
+					Name = "Test",
+					Attributes = {
+						new AttributeSection {
+							Attributes = {
+								new Attribute { Type = new SimpleType("A") },
+								new Attribute { Type = new SimpleType("B") }
+							}
+						}}});
+		}
+		
 		[Test, Ignore("Parser doesn't support attributes on type parameters")]
 		public void AttributesOnTypeParameter()
 		{
@@ -154,7 +148,7 @@ public class Form1 {
 		
 		// TODO: Tests for other contexts where attributes can appear
 		
-		[Test, Ignore("Parser doesn't support named arguments in attributes")]
+		[Test, Ignore("Parser does not support NamedArgumentExpression in attributes")]
 		public void AttributeWithNamedArguments()
 		{
 			ParseUtilCSharp.AssertTypeMember(
@@ -168,8 +162,8 @@ public class Form1 {
 									Type = new SimpleType("A"),
 									Arguments = {
 										new PrimitiveExpression(0),
-										new NamedArgumentExpression { Identifier = "a", Expression = new PrimitiveExpression(1) },
-										new AssignmentExpression(new IdentifierExpression("b"), new PrimitiveExpression(2))
+										new NamedArgumentExpression("a", new PrimitiveExpression(1)),
+										new NamedExpression("b", new PrimitiveExpression(2))
 									}
 								}
 							}

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/ParseSelfTests.cs

@@ -0,0 +1,119 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.IO;
+using ICSharpCode.Editor;
+using ICSharpCode.NRefactory.TypeSystem.Implementation;
+using NUnit.Framework;
+
+namespace ICSharpCode.NRefactory.CSharp.Parser
+{
+	/// <summary>
+	/// Test fixture that parses NRefactory itself,
+	/// ensures that there are no parser crashes while doing so,
+	/// and that the returned positions are consistent.
+	/// </summary>
+	[TestFixture]
+	public class ParseSelfTests
+	{
+		string[] fileNames;
+		
+		[TestFixtureSetUp]
+		public void SetUp()
+		{
+			string path = Path.GetFullPath(@"..\..\..");
+			if (!File.Exists(Path.Combine(path, "NRefactory.sln")))
+				throw new InvalidOperationException("Test cannot find the NRefactory source code in " + path);
+			fileNames = Directory.GetFiles(path, "*.cs", SearchOption.AllDirectories);
+		}
+		
+		[Test]
+		public void GenerateTypeSystem()
+		{
+			SimpleProjectContent pc = new SimpleProjectContent();
+			CSharpParser parser = new CSharpParser();
+			parser.GenerateTypeSystemMode = true;
+			foreach (string fileName in fileNames) {
+				CompilationUnit cu;
+				using (var fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, FileOptions.SequentialScan)) {
+					cu = parser.Parse(fs);
+				}
+				TypeSystemConvertVisitor cv = new TypeSystemConvertVisitor(pc, fileName);
+				pc.UpdateProjectContent(null, cv.Convert(cu));
+			}
+		}
+		
+		#region ParseAndCheckPositions
+		string currentFileName;
+		ReadOnlyDocument currentDocument;
+		
+		[Test]
+		public void ParseAndCheckPositions()
+		{
+			CSharpParser parser = new CSharpParser();
+			foreach (string fileName in fileNames) {
+				this.currentDocument = new ReadOnlyDocument(File.ReadAllText(fileName));
+				CompilationUnit cu = parser.Parse(currentDocument.CreateReader());
+				this.currentFileName = fileName;
+				CheckPositionConsistency(cu);
+				CheckMissingTokens(cu);
+			}
+		}
+		
+		void CheckPositionConsistency(AstNode node)
+		{
+			string comment = "(" + node.GetType().Name + " at " + node.StartLocation + " in " + currentFileName + ")";
+			Assert.IsTrue(node.StartLocation <= node.EndLocation, "StartLocation must be before EndLocation " + comment);
+			var prevNodeEnd = node.StartLocation;
+			for (AstNode child = node.FirstChild; child != null; child = child.NextSibling) {
+				Assert.IsTrue(child.StartLocation >= prevNodeEnd, "Child must start after previous sibling " + comment);
+				CheckPositionConsistency(child);
+				prevNodeEnd = child.EndLocation;
+			}
+			Assert.IsTrue(prevNodeEnd <= node.EndLocation, "Last child must end before parent node ends " + comment);
+		}
+		
+		void CheckMissingTokens(AstNode node)
+		{
+			if (node is IRelocatable) {
+				Assert.IsNull(node.FirstChild, "Token nodes should not have children");
+			} else {
+				var prevNodeEnd = node.StartLocation;
+				for (AstNode child = node.FirstChild; child != null; child = child.NextSibling) {
+					CheckWhitespace(prevNodeEnd, child.StartLocation);
+					CheckMissingTokens(child);
+					prevNodeEnd = child.EndLocation;
+				}
+				CheckWhitespace(prevNodeEnd, node.EndLocation);
+			}
+		}
+		
+		void CheckWhitespace(AstLocation whitespaceStart, AstLocation whitespaceEnd)
+		{
+			if (whitespaceStart == whitespaceEnd)
+				return;
+			int start = currentDocument.GetOffset(whitespaceStart.Line, whitespaceStart.Column);
+			int end = currentDocument.GetOffset(whitespaceEnd.Line, whitespaceEnd.Column);
+			string text = currentDocument.GetText(start, end - start);
+			Assert.IsTrue(string.IsNullOrWhiteSpace(text), "Expected whitespace between " + whitespaceStart + " and " + whitespaceEnd
+			              + ", but got '" + text + "' (in " + currentFileName + ")");
+		}
+		#endregion
+	}
+}

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/TypeSystemConvertVisitorTests.cs

@@ -20,6 +20,7 @@ using System;
 using System.IO;
 using ICSharpCode.NRefactory.TypeSystem;
 using ICSharpCode.NRefactory.TypeSystem.Implementation;
+using ICSharpCode.NRefactory.Utils;
 using NUnit.Framework;
 
 namespace ICSharpCode.NRefactory.CSharp.Parser
@@ -27,10 +28,13 @@ namespace ICSharpCode.NRefactory.CSharp.Parser
 	[TestFixture]
 	public class TypeSystemConvertVisitorTests : TypeSystemTests
 	{
-		ITypeResolveContext ctx = CecilLoaderTests.Mscorlib;
-		
 		[TestFixtureSetUp]
 		public void FixtureSetUp()
+		{
+			testCasePC = ParseTestCase();
+		}
+		
+		internal static IProjectContent ParseTestCase()
 		{
 			const string fileName = "TypeSystemTests.TestCase.cs";
 			
@@ -40,10 +44,26 @@ namespace ICSharpCode.NRefactory.CSharp.Parser
 				cu = parser.Parse(s);
 			}
 			
-			testCasePC = new SimpleProjectContent();
+			var testCasePC = new SimpleProjectContent();
 			ParsedFile parsedFile = new TypeSystemConvertVisitor(testCasePC, fileName).Convert(cu);
 			parsedFile.Freeze();
 			testCasePC.UpdateProjectContent(null, parsedFile);
+			return testCasePC;
+		}
+	}
+	
+	[TestFixture]
+	public class SerializedTypeSystemConvertVisitorTests : TypeSystemTests
+	{
+		[TestFixtureSetUp]
+		public void FixtureSetUp()
+		{
+			FastSerializer serializer = new FastSerializer();
+			using (MemoryStream ms = new MemoryStream()) {
+				serializer.Serialize(ms, TypeSystemConvertVisitorTests.ParseTestCase());
+				ms.Position = 0;
+				testCasePC = (IProjectContent)serializer.Deserialize(ms);
+			}
 		}
 	}
 }

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Resolver/LambdaTests.cs

@@ -159,7 +159,7 @@ class TestClass {
 		#endregion
 		
 		#region Lambda In Collection Initializer
-		[Test, Ignore("Parser doesn't support collection initializers yet")]
+		[Test]
 		public void LambdaInCollectionInitializer1()
 		{
 			string program = @"using System; using System.Collections.Generic;
@@ -174,7 +174,7 @@ class TestClass {
 			Assert.AreEqual("System.Int32", lrr.Type.ReflectionName);
 		}
 		
-		[Test, Ignore("Parser doesn't support collection initializers yet")]
+		[Test]
 		public void LambdaInCollectionInitializer2()
 		{
 			string program = @"using System; using System.Collections.Generic;
@@ -189,8 +189,7 @@ class TestClass {
 			Assert.AreEqual("System.Char", lrr.Type.ReflectionName);
 		}
 		
-		
-		[Test, Ignore("Parser doesn't support collection initializers yet")]
+		[Test]
 		public void LambdaInCollectionInitializer3()
 		{
 			string program = @"using System; using System.Collections.Generic;
@@ -206,7 +205,7 @@ class TestClass {
 		}
 		#endregion
 		
-		[Test, Ignore("Parser doesn't support object initializers yet")]
+		[Test]
 		public void LambdaInObjectInitializerTest()
 		{
 			string program = @"using System;
@@ -238,6 +237,20 @@ static class TestClass {
 			Assert.AreEqual("System.Int32", lrr.Type.ReflectionName);
 		}
 		
+		[Test]
+		public void LambdaExpressionInDelegateCreateExpression()
+		{
+			string program = @"using System;
+static class TestClass {
+	static void Main(string[] args) {
+		var f = new Func<int, string>( i => $i$ );
+	}
+	public delegate R Func<T, R>(T arg);
+}";
+			var lrr = Resolve<LocalResolveResult>(program);
+			Assert.AreEqual("System.Int32", lrr.Type.ReflectionName);
+		}
+		
 		[Test]
 		public void LambdaExpressionInReturnStatement()
 		{

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/Resolver/ObjectCreationTests.cs

@@ -141,5 +141,60 @@ class C : B {
 			mrr = Resolve<InvocationResolveResult>(program, "this(0)");
 			Assert.AreEqual("C..ctor", mrr.Member.FullName);
 		}
+		
+		[Test]
+		public void FieldReferenceInObjectInitializer()
+		{
+			string program = @"class A {
+	public int Property;
+}
+class B {
+	void Method() {
+		var x = new A() { $Property = 0$ };
+	}
+}";
+			MemberResolveResult result = Resolve<MemberResolveResult>(program);
+			Assert.AreEqual("A.Property", result.Member.FullName);
+		}
+		
+		[Test]
+		public void FieldReferenceInNestedObjectInitializer()
+		{
+			string program = @"class Point { public float X, Y; }
+class Rect { public Point TopLeft, BottomRight; }
+class B {
+	void Method() {
+		var x = new Rect() { TopLeft = { $X = 1$ } };
+	}
+}";
+			MemberResolveResult result = Resolve<MemberResolveResult>(program);
+			Assert.AreEqual("Point.X", result.Member.FullName);
+		}
+		
+		[Test, Ignore("Parser returns incorrect positions")]
+		public void CollectionInitializerTest()
+		{
+			string program = @"using System.Collections.Generic;
+class B {
+	void Method() {
+		var x = new List<int>() { ${ 0 }$ };
+	}
+}";
+			InvocationResolveResult result = Resolve<InvocationResolveResult>(program);
+			Assert.AreEqual("System.Collections.Generic.List.Add", result.Member.FullName);
+		}
+		
+		[Test, Ignore("Parser returns incorrect positions")]
+		public void DictionaryInitializerTest()
+		{
+			string program = @"using System.Collections.Generic;
+class B {
+	void Method() {
+		var x = new Dictionary<char, int>() { ${ 'a', 0 }$ };
+	}
+}";
+			InvocationResolveResult result = Resolve<InvocationResolveResult>(program);
+			Assert.AreEqual("System.Collections.Generic.Dictionary.Add", result.Member.FullName);
+		}
 	}
 }

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj

@@ -57,12 +57,14 @@
     <Compile Include="CSharp\Analysis\DefiniteAssignmentTests.cs" />
     <Compile Include="CSharp\AstStructureTests.cs" />
     <Compile Include="CSharp\InsertParenthesesVisitorTests.cs" />
+    <Compile Include="CSharp\OutputVisitorTests.cs" />
     <Compile Include="CSharp\Parser\Expression\AnonymousTypeCreateExpressionTests.cs" />
     <Compile Include="CSharp\Parser\Expression\ObjectCreateExpressionTests.cs" />
     <Compile Include="CSharp\Parser\GeneralScope\DelegateDeclarationTests.cs" />
     <Compile Include="CSharp\Parser\GeneralScope\NamespaceDeclarationTests.cs" />
     <Compile Include="CSharp\Parser\GeneralScope\TypeDeclarationTests.cs" />
     <Compile Include="CSharp\Parser\GeneralScope\UsingDeclarationTests.cs" />
+    <Compile Include="CSharp\Parser\ParseSelfTests.cs" />
     <Compile Include="CSharp\Parser\Statements\BlockStatementTests.cs" />
     <Compile Include="CSharp\Parser\Statements\CheckedStatementTests.cs" />
     <Compile Include="CSharp\Parser\Statements\EmptyStatementTests.cs" />
@@ -148,6 +150,7 @@
     <Compile Include="TypeSystem\GetAllBaseTypesTest.cs" />
     <Compile Include="TypeSystem\GetMembersTests.cs" />
     <Compile Include="TypeSystem\ReflectionHelperTests.cs" />
+    <Compile Include="TypeSystem\SerializedCecilLoaderTests.cs" />
     <Compile Include="TypeSystem\StructureTests.cs" />
     <Compile Include="TypeSystem\TestInterningProvider.cs" />
     <Compile Include="TypeSystem\TypeSystemTests.cs" />
@@ -159,6 +162,10 @@
     <Compile Include="FormattingTests\TestBlankLineFormatting.cs" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\ICSharpCode.Editor\ICSharpCode.Editor.csproj">
+      <Project>{F054A788-B591-4561-A8BA-AE745BBEB817}</Project>
+      <Name>ICSharpCode.Editor</Name>
+    </ProjectReference>
     <ProjectReference Include="..\ICSharpCode.NRefactory\ICSharpCode.NRefactory.csproj">
       <Project>{3B2A5653-EC97-4001-BB9B-D90F1AF2C371}</Project>
       <Name>ICSharpCode.NRefactory</Name>

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/TypeSystem/CecilLoaderTests.cs

@@ -78,7 +78,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 			IProperty def = c.Properties.Single(p => p.Name == "Default");
 			ParameterizedType pt = (ParameterizedType)def.ReturnType.Resolve(ctx);
 			Assert.AreEqual("System.Collections.Generic.Comparer", pt.FullName);
-			Assert.AreSame(c.TypeParameters[0], pt.TypeArguments[0]);
+			Assert.AreEqual(c.TypeParameters[0], pt.TypeArguments[0]);
 		}
 		
 		[Test]

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/TypeSystem/SerializedCecilLoaderTests.cs

@@ -0,0 +1,42 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.IO;
+using ICSharpCode.NRefactory.Utils;
+using NUnit.Framework;
+
+namespace ICSharpCode.NRefactory.TypeSystem
+{
+	[TestFixture]
+	public class SerializedCecilLoaderTests : TypeSystemTests
+	{
+		[TestFixtureSetUp]
+		public void FixtureSetUp()
+		{
+			CecilLoader loader = new CecilLoader() { IncludeInternalMembers = true };
+			IProjectContent pc = loader.LoadAssemblyFile(typeof(TestCase.SimplePublicClass).Assembly.Location);
+			FastSerializer serializer = new FastSerializer();
+			using (MemoryStream ms = new MemoryStream()) {
+				serializer.Serialize(ms, pc);
+				ms.Position = 0;
+				testCasePC = (IProjectContent)serializer.Deserialize(ms);
+			}
+		}
+	}
+}

src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/TypeSystem/TypeSystemTests.cs

@@ -84,7 +84,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		public void DynamicType()
 		{
 			ITypeDefinition testClass = testCasePC.GetTypeDefinition(typeof(DynamicTest));
-			Assert.AreSame(SharedTypes.Dynamic, testClass.Properties.Single().ReturnType.Resolve(ctx));
+			Assert.AreEqual(SharedTypes.Dynamic, testClass.Properties.Single().ReturnType.Resolve(ctx));
 			Assert.AreEqual(0, testClass.Properties.Single().Attributes.Count);
 		}
 		

src/Libraries/NRefactory/ICSharpCode.NRefactory.VB/Visitors/CSharpToVBConverterVisitor.cs

@@ -418,24 +418,24 @@ namespace ICSharpCode.NRefactory.VB.Visitors
 		
 		public AstNode VisitNamedArgumentExpression(CSharp.NamedArgumentExpression namedArgumentExpression, object data)
 		{
-			Expression expr;
-			
-			if (namedArgumentExpression.Parent is CSharp.ArrayInitializerExpression) {
-				expr = new FieldInitializerExpression {
-					IsKey = true,
-					Identifier = namedArgumentExpression.Identifier,
-					Expression = (Expression)namedArgumentExpression.Expression.AcceptVisitor(this, data)
-				};
-			} else {
-				expr = new NamedArgumentExpression {
-					Identifier = namedArgumentExpression.Identifier,
-					Expression = (Expression)namedArgumentExpression.Expression.AcceptVisitor(this, data)
-				};
-			}
+			Expression expr = new NamedArgumentExpression {
+				Identifier = namedArgumentExpression.Identifier,
+				Expression = (Expression)namedArgumentExpression.Expression.AcceptVisitor(this, data)
+			};
 			
 			return EndNode(namedArgumentExpression, expr);
 		}
 		
+		public AstNode VisitNamedExpression(CSharp.NamedExpression namedExpression, object data)
+		{
+			Expression expr = new FieldInitializerExpression {
+				IsKey = true,
+				Identifier = namedExpression.Identifier,
+				Expression = (Expression)namedExpression.Expression.AcceptVisitor(this, data)
+			};
+			return EndNode(namedExpression, expr);
+		}
+		
 		public AstNode VisitNullReferenceExpression(CSharp.NullReferenceExpression nullReferenceExpression, object data)
 		{
 			return EndNode(nullReferenceExpression, new PrimitiveExpression(null));

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Ast/DepthFirstAstVisitor.cs

@@ -585,6 +585,11 @@ namespace ICSharpCode.NRefactory.CSharp
 			return VisitChildren (namedArgumentExpression, data);
 		}
 		
+		public virtual S VisitNamedExpression (NamedExpression namedExpression, T data)
+		{
+			return VisitChildren (namedExpression, data);
+		}
+		
 		public virtual S VisitEmptyExpression (EmptyExpression emptyExpression, T data)
 		{
 			return VisitChildren (emptyExpression, data);

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Expressions/ArrayInitializerExpression.cs

@@ -33,6 +33,20 @@ namespace ICSharpCode.NRefactory.CSharp
 	/// </summary>
 	public class ArrayInitializerExpression : Expression
 	{
+		public ArrayInitializerExpression()
+		{
+		}
+		
+		public ArrayInitializerExpression(IEnumerable<Expression> elements)
+		{
+			this.Elements.AddRange(elements);
+		}
+		
+		public ArrayInitializerExpression(params Expression[] elements)
+		{
+			this.Elements.AddRange(elements);
+		}
+		
 		#region Null
 		public new static readonly ArrayInitializerExpression Null = new NullArrayInitializerExpression ();
 		

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Expressions/AssignmentExpression.cs

@@ -48,12 +48,6 @@ namespace ICSharpCode.NRefactory.CSharp
 			this.Right = right;
 		}
 		
-		public AssignmentExpression(string left, Expression right)
-		{
-			this.Left = new IdentifierExpression(left);
-			this.Right = right;
-		}
-		
 		public AssignmentExpression(Expression left, AssignmentOperatorType op, Expression right)
 		{
 			this.Left = left;

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Expressions/NamedExpression.cs

@@ -0,0 +1,86 @@
+// 
+// NamedExpression.cs
+//  
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+// 
+// Copyright (c) 2011 Xamarin
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System.Collections.Generic;
+using System.Linq;
+
+namespace ICSharpCode.NRefactory.CSharp
+{
+	/// <summary>
+	/// name = expression
+	/// This isn't the same as 'assign' even if it has the same syntax. This expression is used in object initializers.
+	/// </summary>
+	public class NamedExpression : Expression
+	{
+		public NamedExpression()
+		{
+		}
+		
+		public NamedExpression (string identifier, Expression expression)
+		{
+			this.Identifier = identifier;
+			this.Expression = expression;
+		}
+		
+		public string Identifier {
+			get {
+				return GetChildByRole (Roles.Identifier).Name;
+			}
+			set {
+				SetChildByRole(Roles.Identifier, CSharp.Identifier.Create (value, AstLocation.Empty));
+			}
+		}
+		
+		public Identifier IdentifierToken {
+			get {
+				return GetChildByRole (Roles.Identifier);
+			}
+			set {
+				SetChildByRole(Roles.Identifier, value);
+			}
+		}
+		
+		public CSharpTokenNode AssignToken {
+			get { return GetChildByRole (Roles.Assign); }
+		}
+		
+		public Expression Expression {
+			get { return GetChildByRole (Roles.Expression); }
+			set { SetChildByRole (Roles.Expression, value); }
+		}
+		
+		public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
+		{
+			return visitor.VisitNamedExpression(this, data);
+		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			var o = other as NamedExpression;
+			return o != null && MatchString(this.Identifier, o.Identifier) && this.Expression.DoMatch(o.Expression, match);
+		}
+	}
+}

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Ast/IAstVisitor.cs

@@ -45,6 +45,7 @@ namespace ICSharpCode.NRefactory.CSharp
 		S VisitLambdaExpression(LambdaExpression lambdaExpression, T data);
 		S VisitMemberReferenceExpression(MemberReferenceExpression memberReferenceExpression, T data);
 		S VisitNamedArgumentExpression(NamedArgumentExpression namedArgumentExpression, T data);
+		S VisitNamedExpression(NamedExpression namedExpression, T data);
 		S VisitNullReferenceExpression(NullReferenceExpression nullReferenceExpression, T data);
 		S VisitObjectCreateExpression(ObjectCreateExpression objectCreateExpression, T data);
 		S VisitAnonymousTypeCreateExpression(AnonymousTypeCreateExpression anonymousTypeCreateExpression, T data);

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Ast/ObservableAstVisitor.cs

@@ -1121,6 +1121,16 @@ namespace ICSharpCode.NRefactory.CSharp
 			return VisitChildren (namedArgumentExpression, data);
 		}
 		
+		public event Action<NamedExpression, T> NamedExpressionVisited;
+
+		S IAstVisitor<T, S>.VisitNamedExpression (NamedExpression namedExpression, T data)
+		{
+			var handler = NamedExpressionVisited;
+			if (handler != null)
+				handler (namedExpression, data);
+			return VisitChildren (namedExpression, data);
+		}
+		
 		public event Action<EmptyExpression, T> EmptyExpressionVisited;
 
 		S IAstVisitor<T, S>.VisitEmptyExpression (EmptyExpression emptyExpression, T data)

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/OutputVisitor/OutputVisitor.cs

@@ -819,17 +819,23 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			StartNode (namedArgumentExpression);
 			WriteIdentifier (namedArgumentExpression.Identifier);
-			if (namedArgumentExpression.Parent is AnonymousTypeCreateExpression) {
-				Space();
-				WriteToken("=", NamedArgumentExpression.Roles.Assign);
-			} else {
-				WriteToken(":", NamedArgumentExpression.Roles.Colon);
-			}
+			WriteToken(":", NamedArgumentExpression.Roles.Colon);
 			Space ();
 			namedArgumentExpression.Expression.AcceptVisitor (this, data);
 			return EndNode (namedArgumentExpression);
 		}
 		
+		public object VisitNamedExpression (NamedExpression namedExpression, object data)
+		{
+			StartNode (namedExpression);
+			WriteIdentifier (namedExpression.Identifier);
+			Space();
+			WriteToken("=", NamedArgumentExpression.Roles.Assign);
+			Space ();
+			namedExpression.Expression.AcceptVisitor (this, data);
+			return EndNode (namedExpression);
+		}
+		
 		public object VisitNullReferenceExpression (NullReferenceExpression nullReferenceExpression, object data)
 		{
 			StartNode (nullReferenceExpression);

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Parser/CSharpParser.cs

@@ -200,14 +200,13 @@ namespace ICSharpCode.NRefactory.CSharp
 					}
 					if (attr.NamedArguments != null) { 
 						foreach (NamedArgument na in attr.NamedArguments) {
-							var newArg = new AssignmentExpression ();
-							newArg.Operator = AssignmentOperatorType.Assign;
-							newArg.AddChild (new IdentifierExpression (na.Name, Convert (na.Location)), AssignmentExpression.LeftRole);
+							var newArg = new NamedExpression ();
+							newArg.AddChild (Identifier.Create (na.Name, Convert (na.Location)), NamedExpression.Roles.Identifier);
 							
 							var argLoc = LocationsBag.GetLocations (na);
 							if (argLoc != null)
-								newArg.AddChild (new CSharpTokenNode (Convert (argLoc[0]), 1), AssignmentExpression.Roles.Assign);
-							newArg.AddChild ((Expression)na.Expr.Accept (this), AssignmentExpression.RightRole);
+								newArg.AddChild (new CSharpTokenNode (Convert (argLoc[0]), 1), NamedExpression.Roles.Assign);
+							newArg.AddChild ((Expression)na.Expr.Accept (this), NamedExpression.Roles.Expression);
 							result.AddChild (newArg, Attribute.Roles.Argument);
 						}
 					}
@@ -2262,7 +2261,6 @@ namespace ICSharpCode.NRefactory.CSharp
 					return;
 				
 				var commaLocations = LocationsBag.GetLocations (args);
-				
 				for (int i = 0; i < args.Count; i++) {
 					parent.AddChild (ConvertArgument (args[i]), InvocationExpression.Roles.Argument);
 					if (commaLocations != null && i > 0) {
@@ -2279,7 +2277,8 @@ namespace ICSharpCode.NRefactory.CSharp
 			{
 				var result = new InvocationExpression ();
 				var location = LocationsBag.GetLocations (invocationExpression);
-				result.AddChild ((Expression)invocationExpression.Expression.Accept (this), InvocationExpression.Roles.TargetExpression);
+				if (invocationExpression.Expression != null)
+					result.AddChild ((Expression)invocationExpression.Expression.Accept (this), InvocationExpression.Roles.TargetExpression);
 				if (location != null)
 					result.AddChild (new CSharpTokenNode (Convert (location[0]), 1), InvocationExpression.Roles.LPar);
 				AddArguments (result, location, invocationExpression.Arguments);
@@ -2292,7 +2291,6 @@ namespace ICSharpCode.NRefactory.CSharp
 			public override object Visit (New newExpression)
 			{
 				var result = new ObjectCreateExpression ();
-				
 				var location = LocationsBag.GetLocations (newExpression);
 				result.AddChild (new CSharpTokenNode (Convert (newExpression.Location), "new".Length), ObjectCreateExpression.Roles.Keyword);
 				
@@ -2319,16 +2317,88 @@ namespace ICSharpCode.NRefactory.CSharp
 					if (location == null) {
 						result.AddChild ((Expression)par.Expr.Accept (this), AnonymousTypeCreateExpression.Roles.Expression);
 					} else {
-						var namedArgument = new NamedArgumentExpression ();
-						namedArgument.AddChild (Identifier.Create (par.Name, Convert (par.Location)), AnonymousTypeCreateExpression.Roles.Identifier);
-						namedArgument.AddChild (new CSharpTokenNode (Convert (location[0]), 1), AnonymousTypeCreateExpression.Roles.Assign);
-						namedArgument.AddChild ((Expression)par.Expr.Accept (this), AnonymousTypeCreateExpression.Roles.Expression);
-						result.AddChild (namedArgument, AnonymousTypeCreateExpression.Roles.Expression);
+						var namedExpression = new NamedExpression ();
+						namedExpression.AddChild (Identifier.Create (par.Name, Convert (par.Location)), AnonymousTypeCreateExpression.Roles.Identifier);
+						namedExpression.AddChild (new CSharpTokenNode (Convert (location[0]), 1), AnonymousTypeCreateExpression.Roles.Assign);
+						namedExpression.AddChild ((Expression)par.Expr.Accept (this), AnonymousTypeCreateExpression.Roles.Expression);
+						result.AddChild (namedExpression, AnonymousTypeCreateExpression.Roles.Expression);
 					}
 				}
 				return result;
 			}
 			
+			ArrayInitializerExpression ConvertCollectionOrObjectInitializers (CollectionOrObjectInitializers minit)
+			{
+				if (minit == null)
+					return null;
+				var init = new ArrayInitializerExpression ();
+				var braceLocs = LocationsBag.GetLocations (minit);
+				if (braceLocs != null)
+					init.AddChild (new CSharpTokenNode (Convert (braceLocs[0]), 1), ArrayInitializerExpression.Roles.LBrace);
+				AddConvertCollectionOrObjectInitializers (init, minit);
+				if (braceLocs != null)
+					init.AddChild (new CSharpTokenNode (Convert (braceLocs[1]), 1), ArrayInitializerExpression.Roles.RBrace);
+				return init;
+			}
+			
+			void AddConvertCollectionOrObjectInitializers (Expression init, CollectionOrObjectInitializers minit)
+			{
+				var initLoc = LocationsBag.GetLocations (minit);
+				var commaLoc = LocationsBag.GetLocations (minit.Initializers);
+				int curComma = commaLoc != null ?  commaLoc.Count - 1 :  -1;
+				foreach (var expr in minit.Initializers) {
+					var collectionInit = expr as CollectionElementInitializer;
+					if (collectionInit != null) {
+						var parent = new ArrayInitializerExpression ();
+						
+						var braceLocs = LocationsBag.GetLocations (expr);
+						if (braceLocs != null)
+							parent.AddChild (new CSharpTokenNode (Convert (braceLocs[0]), 1), ArrayInitializerExpression.Roles.LBrace);
+						
+						for (int i = 0; i < collectionInit.Arguments.Count; i++) {
+							var arg = collectionInit.Arguments[i] as CollectionElementInitializer.ElementInitializerArgument;
+							if (arg == null)
+								continue;
+							parent.AddChild ((ICSharpCode.NRefactory.CSharp.Expression)arg.Expr.Accept (this), ArrayInitializerExpression.Roles.Expression);
+							if (curComma >= 0)
+								parent.AddChild (new CSharpTokenNode (Convert (commaLoc[curComma--]), 1), ArrayInitializerExpression.Roles.Comma);
+						}
+						
+						if (braceLocs != null)
+							parent.AddChild (new CSharpTokenNode (Convert (braceLocs[1]), 1), ArrayInitializerExpression.Roles.RBrace);
+							
+						init.AddChild (parent, ArrayInitializerExpression.Roles.Expression);
+						continue;
+					}
+					
+					var eleInit = expr as ElementInitializer;
+					if (eleInit != null) {
+						var nexpr = new NamedExpression ();
+						nexpr.AddChild (Identifier.Create (eleInit.Name, Convert(eleInit.Location)), NamedArgumentExpression.Roles.Identifier);
+						var assignLoc = LocationsBag.GetLocations (eleInit);
+						if (assignLoc != null)
+							nexpr.AddChild (new CSharpTokenNode (Convert (assignLoc[0]), 1), NamedArgumentExpression.Roles.Assign);
+						if (eleInit.Source != null) {
+							if (eleInit.Source is CollectionOrObjectInitializers) {
+								var arrInit = new ArrayInitializerExpression ();
+								AddConvertCollectionOrObjectInitializers (arrInit, eleInit.Source as CollectionOrObjectInitializers);
+								nexpr.AddChild (arrInit, NamedArgumentExpression.Roles.Expression);
+							} else {
+								nexpr.AddChild ((Expression)eleInit.Source.Accept (this), NamedArgumentExpression.Roles.Expression);
+							}
+						}
+						
+						init.AddChild (nexpr, ArrayInitializerExpression.Roles.Expression);
+					}
+					
+				}
+				if (initLoc != null) {
+					if (initLoc.Count == 3) // optional comma
+						init.AddChild (new CSharpTokenNode (Convert (initLoc[1]), 1), ArrayInitializerExpression.Roles.Comma);
+					init.AddChild (new CSharpTokenNode (Convert (initLoc[initLoc.Count - 1]), 1), ArrayInitializerExpression.Roles.RBrace);
+				}
+			}
+			
 			
 			public override object Visit (NewInitialize newInitializeExpression)
 			{
@@ -2345,6 +2415,10 @@ namespace ICSharpCode.NRefactory.CSharp
 				if (location != null)
 					result.AddChild (new CSharpTokenNode (Convert (location[1]), 1), ObjectCreateExpression.Roles.RPar);
 				
+				var init = ConvertCollectionOrObjectInitializers (newInitializeExpression.Initializers);
+				if (init != null)
+					result.AddChild (init, ObjectCreateExpression.InitializerRole);
+				
 				return result;
 			}
 			

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Parser/ParsedFile.cs

@@ -27,6 +27,7 @@ namespace ICSharpCode.NRefactory.CSharp
 	/// <summary>
 	/// Represents a file that was parsed and converted for the type system.
 	/// </summary>
+	[Serializable]
 	public sealed class ParsedFile : AbstractFreezable, IParsedFile
 	{
 		readonly string fileName;

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Parser/mcs/cs-parser.jay

@@ -679,7 +679,6 @@ attribute_sections
 			attrs = new Attributes (sect);
 		else
 			attrs.AddAttributes (sect);
-		lbag.AddLocation (sect, savedOpenLocation, savedCloseLocation);
 		$$ = attrs;
 	  }
 	;
@@ -753,6 +752,7 @@ attribute_list
 	  {
 		var attrs = (List<Attribute>) $1;
 		attrs.Add ((Attribute) $3);
+		lbag.AppendTo (attrs, GetLocation ($2));
 
 		$$ = attrs;
 	  }
@@ -2984,6 +2984,7 @@ type_list
 	  {
 		var types = (List<FullNamedExpression>) $1;
 		types.Add ((FullNamedExpression) $3);
+		lbag.AppendTo (types, GetLocation ($2));
 		$$ = types;
 	  }
 	;
@@ -3179,13 +3180,13 @@ object_or_collection_initializer
 	  		// TODO: lbag
 	  	} else {
 	  		$$ = new CollectionOrObjectInitializers ((List<Expression>) $2, GetLocation ($1));
-	  		lbag.AddLocation ($$, GetLocation ($3));
+	  		lbag.AddLocation ($$, GetLocation ($1), GetLocation ($3));
 	  	}
 	  }
 	| OPEN_BRACE member_initializer_list COMMA CLOSE_BRACE
 	  {
 	  	$$ = new CollectionOrObjectInitializers ((List<Expression>) $2, GetLocation ($1));
-	  	lbag.AddLocation ($$, GetLocation ($3), GetLocation ($4));
+	  	lbag.AddLocation ($$, GetLocation ($1), GetLocation ($3), GetLocation ($4));
 	  }
 	;
 
@@ -3208,6 +3209,7 @@ member_initializer_list
 	  {
 	  	var a = (List<Expression>)$1;
 	  	a.Add ((Expression) $3);
+		lbag.AppendTo (a, GetLocation ($2));
 	  	$$ = a;
 	  }
 	| member_initializer_list error {
@@ -3536,6 +3538,8 @@ anonymous_type_parameters
 	  {
 	  	var a = (List<AnonymousTypeParameter>) $1;
 	  	a.Add ((AnonymousTypeParameter) $3);
+	  	lbag.AppendTo (a, GetLocation ($2));
+
 	  	$$ = a;
 	  }
 	;
@@ -4121,6 +4125,8 @@ lambda_parameter_list
 		}
 		
 		pars.Add (p);
+		lbag.AppendTo (pars, GetLocation ($2));
+
 		$$ = pars;
 	  }
 	;

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Parser/mcs/expression.cs

@@ -8855,7 +8855,7 @@ namespace Mono.CSharp
 		public override void EmitSideEffect (EmitContext ec)
 		{
 		}
-		
+
 		public override object Accept (StructuralVisitor visitor)
 		{
 			return visitor.Visit (this);
@@ -9527,6 +9527,12 @@ namespace Mono.CSharp
 			}
 		}
 
+		public IList<Expression> Initializers {
+			get {
+				return initializers;
+			}
+		}
+
 		protected override void CloneTo (CloneContext clonectx, Expression target)
 		{
 			CollectionOrObjectInitializers t = (CollectionOrObjectInitializers) target;
@@ -9681,6 +9687,12 @@ namespace Mono.CSharp
 		CollectionOrObjectInitializers initializers;
 		IMemoryLocation instance;
 
+		public CollectionOrObjectInitializers Initializers {
+			get {
+				return initializers;
+			}
+		}
+
 		public NewInitialize (FullNamedExpression requested_type, Arguments arguments, CollectionOrObjectInitializers initializers, Location l)
 			: base (requested_type, arguments, l)
 		{

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/AliasNamespaceReference.cs

@@ -28,6 +28,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 	/// The member lookup performed by the :: operator is handled
 	/// by <see cref="MemberTypeOrNamespaceReference"/>.
 	/// </remarks>
+	[Serializable]
 	public class AliasNamespaceReference : ITypeOrNamespaceReference
 	{
 		readonly UsingScope parentUsingScope;

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/CSharpAttribute.cs

@@ -24,6 +24,7 @@ using ICSharpCode.NRefactory.TypeSystem.Implementation;
 
 namespace ICSharpCode.NRefactory.CSharp.Resolver
 {
+	[Serializable]
 	public sealed class CSharpAttribute : Immutable, IAttribute
 	{
 		ITypeReference attributeType;
@@ -128,6 +129,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 	/// Type reference used within an attribute.
 	/// Looks up both 'withoutSuffix' and 'withSuffix' and returns the type that exists.
 	/// </summary>
+	[Serializable]
 	public sealed class AttributeTypeReference : ITypeReference, ISupportsInterning
 	{
 		ITypeReference withoutSuffix, withSuffix;

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/CSharpResolver.cs

@@ -269,6 +269,48 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		}
 		#endregion
 		
+		#region Object Initializer Context
+		sealed class ObjectInitializerContext
+		{
+			internal readonly IType type;
+			internal readonly ObjectInitializerContext prev;
+			
+			public ObjectInitializerContext(IType type, CSharpResolver.ObjectInitializerContext prev)
+			{
+				this.type = type;
+				this.prev = prev;
+			}
+		}
+		
+		ObjectInitializerContext objectInitializerStack;
+		
+		/// <summary>
+		/// Pushes the type of the object that is currently being initialized.
+		/// </summary>
+		public void PushInitializerType(IType type)
+		{
+			if (type == null)
+				throw new ArgumentNullException("type");
+			objectInitializerStack = new ObjectInitializerContext(type, objectInitializerStack);
+		}
+		
+		public void PopInitializerType()
+		{
+			if (objectInitializerStack == null)
+				throw new InvalidOperationException();
+			objectInitializerStack = objectInitializerStack.prev;
+		}
+		
+		/// <summary>
+		/// Gets the type of the object currently being initialized.
+		/// Returns SharedTypes.Unknown if no object initializer is currently open (or if the object initializer
+		/// has unknown type).
+		/// </summary>
+		public IType CurrentObjectInitializerType {
+			get { return objectInitializerStack != null ? objectInitializerStack.type : SharedTypes.UnknownType; }
+		}
+		#endregion
+		
 		#region Clone
 		/// <summary>
 		/// Creates a copy of this CSharp resolver.
@@ -2067,12 +2109,24 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			return ErrorResult;
 		}
 		
-		MemberLookup CreateMemberLookup()
+		/// <summary>
+		/// Creates a MemberLookup instance using this resolver's settings.
+		/// </summary>
+		public MemberLookup CreateMemberLookup()
 		{
 			return new MemberLookup(context, this.CurrentTypeDefinition, this.UsingScope != null ? this.UsingScope.ProjectContent : null);
 		}
 		#endregion
 		
+		#region ResolveIdentifierInObjectInitializer
+		public ResolveResult ResolveIdentifierInObjectInitializer(string identifier)
+		{
+			MemberLookup memberLookup = CreateMemberLookup();
+			ResolveResult target = new ResolveResult(this.CurrentObjectInitializerType);
+			return memberLookup.Lookup(target, identifier, EmptyList<IType>.Instance, false);
+		}
+		#endregion
+		
 		#region GetExtensionMethods
 		/// <summary>
 		/// Gets the extension methods that are called 'name'
@@ -2377,6 +2431,9 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		{
 			cancellationToken.ThrowIfCancellationRequested();
 			
+			if (type.Kind == TypeKind.Delegate && arguments.Length == 1) {
+				return Convert(arguments[0], type);
+			}
 			OverloadResolution or = new OverloadResolution(context, arguments, argumentNames, new IType[0]);
 			MemberLookup lookup = CreateMemberLookup();
 			bool allowProtectedAccess = lookup.IsProtectedAccessAllowed(type);

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/ConstantValues.cs

@@ -29,6 +29,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 	// Contains representations for constant C# expressions.
 	// We use these instead of storing the full AST to reduce the memory usage.
 	
+	[Serializable]
 	public sealed class CSharpConstantValue : Immutable, IConstantValue, ISupportsInterning
 	{
 		ConstantExpression expression;
@@ -125,6 +126,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 	/// <summary>
 	/// Increments an integer <see cref="IConstantValue"/> by a fixed amount without changing the type.
 	/// </summary>
+	[Serializable]
 	public sealed class IncrementConstantValue : Immutable, IConstantValue, ISupportsInterning
 	{
 		IConstantValue baseValue;
@@ -178,6 +180,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 	
+	[Serializable]
 	public abstract class ConstantExpression
 	{
 		public abstract ResolveResult Resolve(CSharpResolver resolver);
@@ -186,6 +189,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 	/// <summary>
 	/// C#'s equivalent to the SimpleConstantValue.
 	/// </summary>
+	[Serializable]
 	public sealed class PrimitiveConstantExpression : ConstantExpression, ISupportsInterning
 	{
 		ITypeReference type;
@@ -233,6 +237,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 	
+	[Serializable]
 	public sealed class ConstantCast : ConstantExpression, ISupportsInterning
 	{
 		ITypeReference targetType;
@@ -274,6 +279,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 	
+	[Serializable]
 	public sealed class ConstantIdentifierReference : ConstantExpression, ISupportsInterning
 	{
 		string identifier;
@@ -327,6 +333,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 	
+	[Serializable]
 	public sealed class ConstantMemberReference : ConstantExpression, ISupportsInterning
 	{
 		ITypeReference targetType;
@@ -398,6 +405,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 	
+	[Serializable]
 	public sealed class ConstantCheckedExpression : ConstantExpression, ISupportsInterning
 	{
 		bool checkForOverflow;
@@ -441,6 +449,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 	
+	[Serializable]
 	public sealed class ConstantDefaultValue : ConstantExpression, ISupportsInterning
 	{
 		ITypeReference type;
@@ -474,6 +483,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 	
+	[Serializable]
 	public sealed class ConstantUnaryOperator : ConstantExpression, ISupportsInterning
 	{
 		UnaryOperatorType operatorType;
@@ -513,6 +523,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 
+	[Serializable]
 	public sealed class ConstantBinaryOperator : ConstantExpression, ISupportsInterning
 	{
 		ConstantExpression left;
@@ -559,6 +570,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 		}
 	}
 	
+	[Serializable]
 	public sealed class ConstantConditionalOperator : ConstantExpression, ISupportsInterning
 	{
 		ConstantExpression condition, trueExpr, falseExpr;
@@ -614,6 +626,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver.ConstantValues
 	/// <summary>
 	/// Represents an array creation (as used within an attribute argument)
 	/// </summary>
+	[Serializable]
 	public sealed class ConstantArrayCreation : ConstantExpression, ISupportsInterning
 	{
 		// type may be null when the element is being inferred

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/Log.cs

@@ -35,19 +35,21 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 	/// </summary>
 	static class Log
 	{
-		[Conditional("DEBUG")]
+		const bool logEnabled = false;
+		
+		[Conditional(logEnabled ? "DEBUG" : "LOG_DISABLED")]
 		internal static void WriteLine(string text)
 		{
 			Debug.WriteLine(text);
 		}
 		
-		[Conditional("DEBUG")]
+		[Conditional(logEnabled ? "DEBUG" : "LOG_DISABLED")]
 		internal static void WriteLine(string format, params object[] args)
 		{
 			Debug.WriteLine(format, args);
 		}
 		
-		[Conditional("DEBUG")]
+		[Conditional(logEnabled ? "DEBUG" : "LOG_DISABLED")]
 		internal static void WriteCollection<T>(string text, IEnumerable<T> lines)
 		{
 			#if DEBUG
@@ -63,13 +65,13 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 			#endif
 		}
 		
-		[Conditional("DEBUG")]
+		[Conditional(logEnabled ? "DEBUG" : "LOG_DISABLED")]
 		public static void Indent()
 		{
 			Debug.Indent();
 		}
 		
-		[Conditional("DEBUG")]
+		[Conditional(logEnabled ? "DEBUG" : "LOG_DISABLED")]
 		public static void Unindent()
 		{
 			Debug.Unindent();

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/MemberTypeOrNamespaceReference.cs

@@ -25,6 +25,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 	/// <summary>
 	/// Reference to a qualified type or namespace name.
 	/// </summary>
+	[Serializable]
 	public sealed class MemberTypeOrNamespaceReference : ITypeOrNamespaceReference
 	{
 		readonly ITypeOrNamespaceReference target;

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/ResolveVisitor.cs

@@ -221,6 +221,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		
 		protected override ResolveResult VisitChildren(AstNode node, object data)
 		{
+			Log.WriteLine("ResolveVisitor: unhandled node " + node.GetType().Name);
 			ScanChildren(node);
 			return null;
 		}
@@ -369,7 +370,10 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 					resolver.UsingScope = parsedFile.GetUsingScope(namespaceDeclaration.StartLocation);
 				}
 				ScanChildren(namespaceDeclaration);
-				return new NamespaceResolveResult(resolver.UsingScope.NamespaceName);
+				if (resolver.UsingScope != null)
+					return new NamespaceResolveResult(resolver.UsingScope.NamespaceName);
+				else
+					return null;
 			} finally {
 				resolver.UsingScope = previousUsingScope;
 			}
@@ -751,8 +755,8 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		
 		static string GetAnonymousTypePropertyName(Expression expr, out Expression resolveExpr)
 		{
-			if (expr is NamedArgumentExpression) {
-				var namedArgExpr = (NamedArgumentExpression)expr;
+			if (expr is NamedExpression) {
+				var namedArgExpr = (NamedExpression)expr;
 				resolveExpr = namedArgExpr.Expression;
 				return namedArgExpr.Identifier;
 			}
@@ -771,29 +775,35 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		
 		public override ResolveResult VisitAnonymousTypeCreateExpression(AnonymousTypeCreateExpression anonymousTypeCreateExpression, object data)
 		{
-			ScanChildren(anonymousTypeCreateExpression);
 			// 7.6.10.6 Anonymous object creation expressions
-			var anonymousType = new DefaultTypeDefinition(resolver.CurrentTypeDefinition, "$Anonymous$");
+			if (resolver.UsingScope == null) {
+				ScanChildren(anonymousTypeCreateExpression);
+				return errorResult;
+			}
+			var anonymousType = new DefaultTypeDefinition(resolver.UsingScope.ProjectContent, string.Empty, "$Anonymous$");
 			anonymousType.IsSynthetic = true;
+			resolver.PushInitializerType(anonymousType);
 			foreach (var expr in anonymousTypeCreateExpression.Initializers) {
 				Expression resolveExpr;
 				var name = GetAnonymousTypePropertyName(expr, out resolveExpr);
-				if (string.IsNullOrEmpty(name))
-					continue;
-				
-				var property = new DefaultProperty(anonymousType, name) {
-					Accessibility = Accessibility.Public,
-					ReturnType = new VarTypeReference(this, resolver.Clone(), resolveExpr, false)
-				};
-				anonymousType.Properties.Add(property);
+				if (!string.IsNullOrEmpty(name)) {
+					var property = new DefaultProperty(anonymousType, name) {
+						Accessibility = Accessibility.Public,
+						ReturnType = new VarTypeReference(this, resolver.Clone(), resolveExpr, false)
+					};
+					anonymousType.Properties.Add(property);
+				}
+				Scan(expr);
 			}
+			ScanChildren(anonymousTypeCreateExpression);
+			resolver.PopInitializerType();
 			return new ResolveResult(anonymousType);
 		}
 		
 		public override ResolveResult VisitArrayCreateExpression(ArrayCreateExpression arrayCreateExpression, object data)
 		{
-			ScanChildren(arrayCreateExpression);
 			if (!resolverEnabled) {
+				ScanChildren(arrayCreateExpression);
 				return null;
 			}
 			
@@ -973,15 +983,34 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				return null;
 		}
 		
+		// NamedArgumentExpression is "identifier: Expression"
 		public override ResolveResult VisitNamedArgumentExpression(NamedArgumentExpression namedArgumentExpression, object data)
 		{
-			// Usually, the parent expression takes care of handling NamedArgumentExpressions
+			// The parent expression takes care of handling NamedArgumentExpressions
 			// by calling GetArguments().
-			if (resolverEnabled) {
-				return Resolve(namedArgumentExpression.Expression);
+			// This method gets called only when scanning, or when the named argument is used
+			// in an invalid context.
+			Scan(namedArgumentExpression.Expression);
+			return errorResult;
+		}
+		
+		// NamedExpression is "identifier = Expression" in object initializers and attributes
+		public override ResolveResult VisitNamedExpression(NamedExpression namedExpression, object data)
+		{
+			Expression rhs = namedExpression.Expression;
+			if (rhs is ArrayInitializerExpression) {
+				ResolveResult result = resolver.ResolveIdentifierInObjectInitializer(namedExpression.Identifier);
+				HandleObjectInitializer(result.Type, (ArrayInitializerExpression)rhs);
+				return result;
 			} else {
-				Scan(namedArgumentExpression.Expression);
-				return null;
+				if (resolverEnabled) {
+					ResolveResult result = resolver.ResolveIdentifierInObjectInitializer(namedExpression.Identifier);
+					ResolveAndProcessConversion(rhs, result.Type);
+					return result;
+				} else {
+					ScanChildren(namedExpression);
+					return null;
+				}
 			}
 		}
 		
@@ -996,20 +1025,69 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		
 		public override ResolveResult VisitObjectCreateExpression(ObjectCreateExpression objectCreateExpression, object data)
 		{
-			if (resolverEnabled) {
+			if (resolverEnabled || !objectCreateExpression.Initializer.IsNull) {
 				IType type = ResolveType(objectCreateExpression.Type);
-				string[] argumentNames;
-				ResolveResult[] arguments = GetArguments(objectCreateExpression.Arguments, out argumentNames);
 				
-				Scan(objectCreateExpression.Initializer); // TODO
+				var initializer = objectCreateExpression.Initializer;
+				if (!initializer.IsNull) {
+					HandleObjectInitializer(type, initializer);
+				}
 				
-				return resolver.ResolveObjectCreation(type, arguments, argumentNames);
+				if (resolverEnabled) {
+					string[] argumentNames;
+					ResolveResult[] arguments = GetArguments(objectCreateExpression.Arguments, out argumentNames);
+					
+					return resolver.ResolveObjectCreation(type, arguments, argumentNames);
+				} else {
+					foreach (AstNode node in objectCreateExpression.Arguments) {
+						Scan(node);
+					}
+					return null;
+				}
 			} else {
 				ScanChildren(objectCreateExpression);
 				return null;
 			}
 		}
 		
+		void HandleObjectInitializer(IType type, ArrayInitializerExpression initializer)
+		{
+			resolver.PushInitializerType(type);
+			foreach (Expression element in initializer.Elements) {
+				ArrayInitializerExpression aie = element as ArrayInitializerExpression;
+				if (aie != null) {
+					if (resolveResultCache.ContainsKey(aie)) {
+						// Don't resolve the add call again if we already did so
+						continue;
+					}
+					StoreState(aie, resolver.Clone());
+					// constructor argument list in collection initializer
+					ResolveResult[] addArguments = new ResolveResult[aie.Elements.Count];
+					int i = 0;
+					foreach (var addArgument in aie.Elements) {
+						addArguments[i++] = Resolve(addArgument);
+					}
+					MemberLookup memberLookup = resolver.CreateMemberLookup();
+					ResolveResult targetResult = new ResolveResult(type);
+					var addRR = memberLookup.Lookup(targetResult, "Add", EmptyList<IType>.Instance, true);
+					var mgrr = addRR as MethodGroupResolveResult;
+					if (mgrr != null) {
+						OverloadResolution or = mgrr.PerformOverloadResolution(resolver.Context, addArguments, null, false, false);
+						var invocationRR = new InvocationResolveResult(targetResult, or, resolver.Context);
+						StoreResult(aie, invocationRR);
+						ProcessConversionsInResult(invocationRR);
+					} else {
+						StoreResult(aie, addRR);
+					}
+				} else {
+					// assignment in object initializer (NamedExpression),
+					// or some unknown kind of expression
+					Scan(element);
+				}
+			}
+			resolver.PopInitializerType();
+		}
+		
 		public override ResolveResult VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression, object data)
 		{
 			if (resolverEnabled) {
@@ -2096,6 +2174,14 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		}
 		#endregion
 		
+		#region Other statements
+		public override ResolveResult VisitExpressionStatement(ExpressionStatement expressionStatement, object data)
+		{
+			ScanChildren(expressionStatement);
+			return voidResult;
+		}
+		#endregion
+		
 		#region Local Variable Type Inference
 		/// <summary>
 		/// Creates a type reference for the specified type node.
@@ -2221,23 +2307,26 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 		#region Attributes
 		public override ResolveResult VisitAttribute(Attribute attribute, object data)
 		{
+			var type = ResolveType(attribute.Type);
+			
+			// Separate arguments into ctor arguments and non-ctor arguments:
+			var constructorArguments = attribute.Arguments.Where(a => !(a is NamedExpression));
+			var nonConstructorArguments = attribute.Arguments.Where(a => a is NamedExpression);
+			
+			// Scan the non-constructor arguments
+			resolver.PushInitializerType(type);
+			foreach (var arg in nonConstructorArguments)
+				Scan(arg);
+			resolver.PopInitializerType();
+			
 			if (resolverEnabled) {
-				var type = ResolveType(attribute.Type);
-				
-				// Separate arguments into ctor arguments and non-ctor arguments:
-				var constructorArguments = attribute.Arguments.Where(a => !(a is AssignmentExpression));
-				var nonConstructorArguments = attribute.Arguments.Where(a => a is AssignmentExpression);
-				
-				// Scan the non-constructor arguments
-				foreach (var arg in nonConstructorArguments)
-					Scan(arg); // TODO: handle these like object initializers
-				
 				// Resolve the ctor arguments and find the matching ctor overload
 				string[] argumentNames;
 				ResolveResult[] arguments = GetArguments(constructorArguments, out argumentNames);
 				return resolver.ResolveObjectCreation(type, arguments, argumentNames);
 			} else {
-				ScanChildren(attribute);
+				foreach (var node in constructorArguments)
+					Scan(node);
 				return null;
 			}
 		}

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/SimpleTypeOrNamespaceReference.cs

@@ -25,6 +25,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 	/// <summary>
 	/// Represents a simple C# name. (a single non-qualified identifier with an optional list of type arguments)
 	/// </summary>
+	[Serializable]
 	public sealed class SimpleTypeOrNamespaceReference : ITypeOrNamespaceReference
 	{
 		readonly ITypeDefinition parentTypeDefinition;

src/Libraries/NRefactory/ICSharpCode.NRefactory/CSharp/Resolver/UsingScope.cs

@@ -28,6 +28,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 	/// Represents a scope that contains "using" statements.
 	/// This is either the file itself, or a namespace declaration.
 	/// </summary>
+	[Serializable]
 	public class UsingScope : AbstractFreezable
 	{
 		readonly IProjectContent projectContent;

src/Libraries/NRefactory/ICSharpCode.NRefactory/Documentation/XmlDocumentationProvider.cs

@@ -33,6 +33,7 @@ namespace ICSharpCode.NRefactory.Documentation
 	/// This class first creates an in-memory index of the .xml file, and then uses that to read only the requested members.
 	/// This way, we avoid keeping all the documentation in memory.
 	/// </remarks>
+	[Serializable]
 	public class XmlDocumentationProvider : IDocumentationProvider
 	{
 		#region Cache
@@ -66,6 +67,7 @@ namespace ICSharpCode.NRefactory.Documentation
 		}
 		#endregion
 		
+		[Serializable]
 		struct IndexEntry : IComparable<IndexEntry>
 		{
 			/// <summary>
@@ -90,7 +92,9 @@ namespace ICSharpCode.NRefactory.Documentation
 			}
 		}
 		
+		[NonSerialized]
 		readonly XmlDocumentationCache cache = new XmlDocumentationCache();
+		
 		readonly string fileName;
 		DateTime lastWriteDate;
 		IndexEntry[] index; // SORTED array of index entries
@@ -265,6 +269,8 @@ namespace ICSharpCode.NRefactory.Documentation
 		#endregion
 		
 		#region Save index / Restore from index
+		// TODO: consider removing this code, we're just using serialization instead
+		
 		// FILE FORMAT FOR BINARY DOCUMENTATION
 		// long  magic = 0x4244636f446c6d58 (identifies file type = 'XmlDocDB')
 		const long magic = 0x4244636f446c6d58;

src/Libraries/NRefactory/ICSharpCode.NRefactory/ICSharpCode.NRefactory.csproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="Build">
   <PropertyGroup>
     <ProjectGuid>{3B2A5653-EC97-4001-BB9B-D90F1AF2C371}</ProjectGuid>
@@ -7,7 +7,6 @@
     <OutputType>Library</OutputType>
     <RootNamespace>ICSharpCode.NRefactory</RootNamespace>
     <AssemblyName>ICSharpCode.NRefactory</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <ProductVersion>10.0.0</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
@@ -17,7 +16,7 @@
     <NoWarn>1591,0618</NoWarn>
     <RunCodeAnalysis>False</RunCodeAnalysis>
     <CodeAnalysisRules>-Microsoft.Design#CA1026;-Microsoft.Security#CA2104</CodeAnalysisRules>
-    <SignAssembly>True</SignAssembly>
+    <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\ICSharpCode.NRefactory.snk</AssemblyOriginatorKeyFile>
     <DelaySign>False</DelaySign>
     <AssemblyOriginatorKeyMode>File</AssemblyOriginatorKeyMode>
@@ -52,11 +51,9 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
-    <Reference Include="System.Core">
-    </Reference>
+    <Reference Include="System.Core" />
     <Reference Include="System.Xml" />
-    <Reference Include="System.Xml.Linq">
-    </Reference>
+    <Reference Include="System.Xml.Linq" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="CSharp\Analysis\ControlFlow.cs" />
@@ -339,6 +336,7 @@
     <Compile Include="CSharp\Parser\mcs\support.cs" />
     <Compile Include="CSharp\Parser\mcs\complete.cs" />
     <Compile Include="CSharp\Parser\mcs\literal.cs" />
+    <Compile Include="Utils\7BitEncodedInts.cs" />
     <Compile Include="Utils\BitVector16.cs" />
     <Compile Include="Utils\BusyManager.cs" />
     <Compile Include="Utils\CacheManager.cs" />
@@ -346,6 +344,7 @@
     <Compile Include="Utils\DotNet35Compat.cs" />
     <Compile Include="Utils\EmptyList.cs" />
     <Compile Include="Utils\ExtensionMethods.cs" />
+    <Compile Include="Utils\FastSerializer.cs" />
     <Compile Include="Utils\GraphVizGraph.cs" />
     <Compile Include="Utils\Platform.cs" />
     <Compile Include="Utils\TreeTraversal.cs" />
@@ -412,6 +411,7 @@
     <Compile Include="TypeSystem\Error.cs" />
     <Compile Include="TypeSystem\IAnnotatable.cs" />
     <Compile Include="CSharp\Ast\ErrorNode.cs" />
+    <Compile Include="CSharp\Ast\Expressions\NamedExpression.cs" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="CSharp\" />

src/Libraries/NRefactory/ICSharpCode.NRefactory/Properties/AssemblyInfo.cs

@@ -28,4 +28,4 @@ using System.Runtime.InteropServices;
 //
 // You can specify all the values or you can use the default the Revision and 
 // Build Numbers by using the '*' as shown below:
-[assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("5.0.0.0")]

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/ArrayType.cs

@@ -25,6 +25,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 	/// <summary>
 	/// Represents an array type.
 	/// </summary>
+	[Serializable]
 	public sealed class ArrayType : TypeWithElementType
 	{
 		readonly int dimensions;
@@ -135,6 +136,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		}
 	}
 	
+	[Serializable]
 	public sealed class ArrayTypeReference : ITypeReference, ISupportsInterning
 	{
 		ITypeReference elementType;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/ByReferenceType.cs

@@ -21,6 +21,7 @@ using ICSharpCode.NRefactory.TypeSystem.Implementation;
 
 namespace ICSharpCode.NRefactory.TypeSystem
 {
+	[Serializable]
 	public sealed class ByReferenceType : TypeWithElementType
 	{
 		public ByReferenceType(IType elementType) : base(elementType)
@@ -68,6 +69,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		}
 	}
 	
+	[Serializable]
 	public class ByReferenceTypeReference : ITypeReference
 	{
 		readonly ITypeReference elementType;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/CecilLoader.cs

@@ -23,6 +23,7 @@ using System.Diagnostics;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
 using System.Threading;
 using ICSharpCode.NRefactory.TypeSystem.Implementation;
 using Mono.Cecil;
@@ -84,6 +85,9 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		{
 			if (createCecilReferences)
 				typeSystemTranslationTable = new Dictionary<object, object> ();
+			
+			// Enable interning by default.
+			this.InterningProvider = new SimpleInterningProvider();
 		}
 		
 		#region Load From AssemblyDefinition
@@ -164,6 +168,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		#endregion
 		
 		#region IProjectContent implementation
+		[Serializable]
 		sealed class CecilProjectContent : ProxyTypeResolveContext, IProjectContent, ISynchronizedTypeResolveContext, IDocumentationProvider
 		{
 			readonly string assemblyName;
@@ -234,6 +239,33 @@ namespace ICSharpCode.NRefactory.TypeSystem
 				else
 					return null;
 			}
+			
+			IEnumerable<object> IAnnotatable.Annotations {
+				get { return EmptyList<object>.Instance; }
+			}
+			
+			T IAnnotatable.Annotation<T>()
+			{
+				return null;
+			}
+			
+			object IAnnotatable.Annotation(Type type)
+			{
+				return null;
+			}
+			
+			void IAnnotatable.AddAnnotation(object annotation)
+			{
+				throw new NotSupportedException();
+			}
+			
+			void IAnnotatable.RemoveAnnotations<T>()
+			{
+			}
+			
+			void IAnnotatable.RemoveAnnotations(Type type)
+			{
+			}
 		}
 		#endregion
 		
@@ -844,8 +876,10 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		#endregion
 		
 		#region Read Type Definition
+		[Serializable]
 		sealed class CecilTypeDefinition : DefaultTypeDefinition
 		{
+			[NonSerialized]
 			internal TypeDefinition typeDefinition;
 			
 			public CecilTypeDefinition(IProjectContent pc, TypeDefinition typeDefinition)

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Error.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // Error.cs
 //  
 // Author:
@@ -42,22 +42,27 @@ namespace ICSharpCode.NRefactory.TypeSystem
 	/// <summary>
 	/// Descibes an error during parsing.
 	/// </summary>
+	[Serializable]
 	public class Error
 	{
+		readonly ErrorType errorType;
+		readonly string message;
+		readonly DomRegion region;
+		
 		/// <summary>
 		/// The type of the error.
 		/// </summary>
-		public ErrorType ErrorType { get; private set; }
+		public ErrorType ErrorType { get { return errorType; } }
 		
 		/// <summary>
 		/// The error description.
 		/// </summary>
-		public string Message { get; private set; }
+		public string Message { get { return message; } }
 		
 		/// <summary>
 		/// The region of the error.
 		/// </summary>
-		public DomRegion Region { get; private set; }
+		public DomRegion Region { get { return region; } }
 		
 		/// <summary>
 		/// Initializes a new instance of the <see cref="ICSharpCode.NRefactory.TypeSystem.Error"/> class.
@@ -73,9 +78,9 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		/// </param>
 		public Error (ErrorType errorType, string message, DomRegion region)
 		{
-			this.ErrorType = errorType;
-			this.Message = message;
-			this.Region = region;
+			this.errorType = errorType;
+			this.message = message;
+			this.region = region;
 		}
 		
 		/// <summary>
@@ -92,9 +97,9 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		/// </param>
 		public Error (ErrorType errorType, string message, AstLocation location)
 		{
-			this.ErrorType = errorType;
-			this.Message = message;
-			this.Region = new DomRegion (location, location);
+			this.errorType = errorType;
+			this.message = message;
+			this.region = new DomRegion (location, location);
 		}
 		
 		/// <summary>
@@ -127,9 +132,9 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		/// </param>
 		public Error (ErrorType errorType, string message)
 		{
-			this.ErrorType = errorType;
-			this.Message = message;
-			this.Region = DomRegion.Empty;
+			this.errorType = errorType;
+			this.message = message;
+			this.region = DomRegion.Empty;
 		}
 	}
 }

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/AbstractFreezable.cs

@@ -27,6 +27,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// Base class for immutable objects. Provides implementation for IFreezable that reports the
 	/// object as always-frozen.
 	/// </summary>
+	[Serializable]
 	public abstract class Immutable : IFreezable
 	{
 		bool IFreezable.IsFrozen {
@@ -38,6 +39,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 		}
 	}
 	
+	[Serializable]
 	public abstract class AbstractFreezable : IFreezable
 	{
 		bool isFrozen;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/AbstractMember.cs

@@ -25,6 +25,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Base class for <see cref="IMember"/> implementations.
 	/// </summary>
+	[Serializable]
 	public abstract class AbstractMember : AbstractFreezable, IMember
 	{
 		// possible optimizations to reduce the memory usage of AbstractMember:

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/AbstractType.cs

@@ -26,6 +26,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation for IType interface.
 	/// </summary>
+	[Serializable]
 	public abstract class AbstractType : IType
 	{
 		public virtual string FullName {

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultAccessor.cs

@@ -25,6 +25,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation of <see cref="IAccessor"/>.
 	/// </summary>
+	[Serializable]
 	public sealed class DefaultAccessor : AbstractFreezable, IAccessor, ISupportsInterning
 	{
 		static readonly DefaultAccessor[] defaultAccessors = CreateDefaultAccessors();

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultAttribute.cs

@@ -27,6 +27,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation of <see cref="IAttribute"/>.
 	/// </summary>
+	[Serializable]
 	public sealed class DefaultAttribute : AbstractFreezable, IAttribute, ISupportsInterning
 	{
 		ITypeReference attributeType;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultEvent.cs

@@ -23,6 +23,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation of <see cref="IEvent"/>.
 	/// </summary>
+	[Serializable]
 	public class DefaultEvent : AbstractMember, IEvent
 	{
 		IAccessor addAccessor, removeAccessor, invokeAccessor;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultField.cs

@@ -23,6 +23,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation of <see cref="IField"/>.
 	/// </summary>
+	[Serializable]
 	public class DefaultField : AbstractMember, IField
 	{
 		IConstantValue constantValue;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultMethod.cs

@@ -25,6 +25,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation of <see cref="IMethod" /> interface.
 	/// </summary>
+	[Serializable]
 	public class DefaultMethod : AbstractMember, IMethod
 	{
 		IList<IAttribute> returnTypeAttributes;
@@ -123,7 +124,10 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 			var p = this.Parameters;
 			for (int i = 0; i < p.Count; i++) {
 				if (i > 0) b.Append(", ");
-				b.Append(p[i].ToString());
+				if (p[i] == null)
+					b.Append("null");
+				else
+					b.Append(p[i].ToString());
 			}
 			b.Append("):");
 			b.Append(ReturnType.ToString());

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultParameter.cs

@@ -26,6 +26,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation for IParameter.
 	/// </summary>
+	[Serializable]
 	public sealed class DefaultParameter : AbstractFreezable, IParameter, ISupportsInterning
 	{
 		string name = string.Empty;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultProperty.cs

@@ -24,6 +24,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation of <see cref="IProperty"/>.
 	/// </summary>
+	[Serializable]
 	public class DefaultProperty : AbstractMember, IProperty
 	{
 		IAccessor getter, setter;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultTypeDefinition.cs

@@ -25,6 +25,7 @@ using ICSharpCode.NRefactory.Utils;
 
 namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 {
+	[Serializable]
 	public class DefaultTypeDefinition : AbstractFreezable, ITypeDefinition
 	{
 		readonly IProjectContent projectContent;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/DefaultTypeParameter.cs

@@ -27,6 +27,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Default implementation of <see cref="ITypeParameter"/>.
 	/// </summary>
+	[Serializable]
 	public sealed class DefaultTypeParameter : AbstractFreezable, ITypeParameter, ISupportsInterning
 	{
 		string name;
@@ -348,8 +349,13 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 		
 		void ISupportsInterning.PrepareForInterning(IInterningProvider provider)
 		{
-			constraints = provider.InternList(constraints);
-			attributes = provider.InternList(attributes);
+			// protect against cyclic constraints
+			using (var busyLock = BusyManager.Enter(this)) {
+				if (busyLock.Success) {
+					constraints = provider.InternList(constraints);
+					attributes = provider.InternList(attributes);
+				}
+			}
 		}
 		
 		int ISupportsInterning.GetHashCodeForInterning()

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/GetClassTypeReference.cs

@@ -25,11 +25,12 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Type Reference used when the fully qualified type name is known.
 	/// </summary>
+	[Serializable]
 	public sealed class GetClassTypeReference : ITypeReference, ISupportsInterning
 	{
 		string nameSpace, name;
 		int typeParameterCount;
-		//volatile CachedResult v_cachedResult;
+		// [NonSerialized] volatile CachedResult v_cachedResult;
 		
 		public GetClassTypeReference(string nameSpace, string name, int typeParameterCount)
 		{

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/NestedTypeReference.cs

@@ -23,6 +23,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Type reference used to reference nested types.
 	/// </summary>
+	[Serializable]
 	public sealed class NestedTypeReference : ITypeReference, ISupportsInterning
 	{
 		ITypeReference declaringTypeRef;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/ProxyTypeResolveContext.cs

@@ -25,7 +25,8 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// Proxy that forwards calls to another TypeResolveContext.
 	/// Useful as base class for decorators.
 	/// </summary>
-	public class ProxyTypeResolveContext : AbstractAnnotatable, ITypeResolveContext
+	[Serializable]
+	public class ProxyTypeResolveContext : ITypeResolveContext
 	{
 		protected readonly ITypeResolveContext target;
 		

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/SimpleConstantValue.cs

@@ -23,6 +23,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// A simple constant value that is independent of the resolve context.
 	/// </summary>
+	[Serializable]
 	public sealed class SimpleConstantValue : Immutable, IConstantValue, ISupportsInterning
 	{
 		ITypeReference type;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/SimpleInterningProvider.cs

@@ -104,6 +104,8 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 		Dictionary<ISupportsInterning, ISupportsInterning> supportsInternDict = new Dictionary<ISupportsInterning, ISupportsInterning>(new InterningComparer());
 		Dictionary<IEnumerable, IEnumerable> listDict = new Dictionary<IEnumerable, IEnumerable>(new ListComparer());
 		
+		int stackDepth = 0;
+		
 		public T Intern<T>(T obj) where T : class
 		{
 			if (obj == null)
@@ -127,6 +129,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 				else
 					byValueDict.Add(obj, obj);
 			}
+			stackDepth--;
 			return obj;
 		}
 		
@@ -138,8 +141,11 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 				T oldItem = list[i];
 				T newItem = Intern(oldItem);
 				if (oldItem != newItem) {
-					if (list.IsReadOnly)
-						list = new T[list.Count];
+					if (list.IsReadOnly) {
+						T[] array = new T[list.Count];
+						list.CopyTo(array, 0);
+						list = array;
+					}
 					list[i] = newItem;
 				}
 			}

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/SimpleProjectContent.cs

@@ -20,8 +20,8 @@ using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Threading;
-
 using ICSharpCode.NRefactory.Utils;
 
 namespace ICSharpCode.NRefactory.TypeSystem.Implementation
@@ -34,12 +34,22 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// Compared with <see cref="TypeStorage"/>, this class adds support for the IProjectContent interface,
 	/// for partial classes, and for multi-threading.
 	/// </remarks>
-	public class SimpleProjectContent : AbstractAnnotatable, IProjectContent
+	[Serializable]
+	public class SimpleProjectContent : AbstractAnnotatable, IProjectContent, ISerializable, IDeserializationCallback
 	{
 		readonly TypeStorage types = new TypeStorage();
 		readonly ReaderWriterLockSlim readerWriterLock = new ReaderWriterLockSlim();
 		readonly Dictionary<string, IParsedFile> fileDict = new Dictionary<string, IParsedFile>(Platform.FileNameComparer);
 		
+		#region Constructor
+		/// <summary>
+		/// Creates a new SimpleProjectContent instance.
+		/// </summary>
+		public SimpleProjectContent()
+		{
+		}
+		#endregion
+		
 		public virtual string AssemblyName {
 			get { return string.Empty; }
 		}
@@ -288,5 +298,46 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 			}
 		}
 		#endregion
+		
+		#region Serialization
+		SerializationInfo serializationInfo;
+		
+		protected SimpleProjectContent(SerializationInfo info, StreamingContext context)
+		{
+			this.serializationInfo = info;
+			assemblyAttributes.AddRange((IAttribute[])info.GetValue("AssemblyAttributes", typeof(IAttribute[])));
+			readOnlyAssemblyAttributes = assemblyAttributes.ToArray();
+			moduleAttributes.AddRange((IAttribute[])info.GetValue("ModuleAttributes", typeof(IAttribute[])));
+			readOnlyModuleAttributes = moduleAttributes.ToArray();
+		}
+		
+		public virtual void OnDeserialization(object sender)
+		{
+			// We need to do this in OnDeserialization because at the time the deserialization
+			// constructor runs, type.FullName/file.FileName may not be deserialized yet.
+			if (serializationInfo != null) {
+				foreach (var typeDef in (ITypeDefinition[])serializationInfo.GetValue("Types", typeof(ITypeDefinition[]))) {
+					types.UpdateType(typeDef);
+				}
+				foreach (IParsedFile file in (IParsedFile[])serializationInfo.GetValue("Files", typeof(IParsedFile[]))) {
+					fileDict.Add(file.FileName, file);
+				}
+				serializationInfo = null;
+			}
+		}
+		
+		public virtual void GetObjectData(SerializationInfo info, StreamingContext context)
+		{
+			readerWriterLock.EnterReadLock();
+			try {
+				info.AddValue("Types", types.GetTypes().ToArray());
+				info.AddValue("AssemblyAttributes", readOnlyAssemblyAttributes);
+				info.AddValue("ModuleAttributes", readOnlyModuleAttributes);
+				info.AddValue("Files", fileDict.Values.ToArray());
+			} finally {
+				readerWriterLock.ExitReadLock();
+			}
+		}
+		#endregion
 	}
 }

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/TypeStorage.cs

@@ -19,8 +19,8 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Threading;
-
 using ICSharpCode.NRefactory.Utils;
 
 namespace ICSharpCode.NRefactory.TypeSystem.Implementation
@@ -31,7 +31,8 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <remarks>
 	/// Concurrent read accesses are thread-safe, but a write access concurrent to any other access is not safe.
 	/// </remarks>
-	public sealed class TypeStorage : ITypeResolveContext
+	[Serializable]
+	public sealed class TypeStorage : ITypeResolveContext, ISerializable, IDeserializationCallback
 	{
 		#region FullNameAndTypeParameterCount
 		struct FullNameAndTypeParameterCount
@@ -362,5 +363,36 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 			}
 		}
 		#endregion
+		
+		#region Serialization
+		/// <summary>
+		/// Creates a new TypeStorage instance.
+		/// </summary>
+		public TypeStorage()
+		{
+		}
+		
+		SerializationInfo serializationInfo;
+		
+		private TypeStorage(SerializationInfo info, StreamingContext context)
+		{
+			this.serializationInfo = info;
+		}
+		
+		void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
+		{
+			info.AddValue("Types", this.GetTypes().ToArray());
+		}
+		
+		void IDeserializationCallback.OnDeserialization(object sender)
+		{
+			if (serializationInfo == null)
+				return;
+			foreach (var typeDef in (ITypeDefinition[])serializationInfo.GetValue("Types", typeof(ITypeDefinition[]))) {
+				UpdateType(typeDef);
+			}
+			serializationInfo = null;
+		}
+		#endregion
 	}
 }

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/TypeWithElementType.cs

@@ -20,6 +20,7 @@ using System;
 
 namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 {
+	[Serializable]
 	public abstract class TypeWithElementType : AbstractType
 	{
 		protected readonly IType elementType;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/Implementation/VoidTypeDefinition.cs

@@ -24,6 +24,7 @@ namespace ICSharpCode.NRefactory.TypeSystem.Implementation
 	/// <summary>
 	/// Special type definition for 'void'.
 	/// </summary>
+	[Serializable]
 	public class VoidTypeDefinition : DefaultTypeDefinition
 	{
 		public VoidTypeDefinition(IProjectContent projectContent)

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/IntersectionType.cs

@@ -30,6 +30,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 	/// <summary>
 	/// Represents the intersection of several types.
 	/// </summary>
+	[Serializable]
 	public class IntersectionType : AbstractType
 	{
 		readonly ReadOnlyCollection<IType> types;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/ParameterizedType.cs

@@ -36,6 +36,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 	/// type parameters in the signatures of the members are replaced with
 	/// the type arguments.
 	/// </remarks>
+	[Serializable]
 	public sealed class ParameterizedType : Immutable, IType
 	{
 		readonly ITypeDefinition genericType;
@@ -327,6 +328,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 	/// ParameterizedTypeReference is a reference to generic class that specifies the type parameters.
 	/// Example: List&lt;string&gt;
 	/// </summary>
+	[Serializable]
 	public sealed class ParameterizedTypeReference : ITypeReference, ISupportsInterning
 	{
 		public static ITypeReference Create(ITypeReference genericType, IEnumerable<ITypeReference> typeArguments)

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/PointerType.cs

@@ -22,6 +22,7 @@ using ICSharpCode.NRefactory.TypeSystem.Implementation;
 
 namespace ICSharpCode.NRefactory.TypeSystem
 {
+	[Serializable]
 	public sealed class PointerType : TypeWithElementType
 	{
 		public PointerType(IType elementType) : base(elementType)
@@ -69,6 +70,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		}
 	}
 	
+	[Serializable]
 	public class PointerTypeReference : ITypeReference
 	{
 		readonly ITypeReference elementType;

src/Libraries/NRefactory/ICSharpCode.NRefactory/TypeSystem/SharedTypes.cs

@@ -70,6 +70,7 @@ namespace ICSharpCode.NRefactory.TypeSystem
 		 * would have to return true even though these are two distinct definitions.
 		 */
 		
+		[Serializable]
 		sealed class SharedTypeImpl : AbstractType
 		{
 			readonly TypeKind kind;

src/Libraries/NRefactory/ICSharpCode.NRefactory/Utils/7BitEncodedInts.cs

@@ -0,0 +1,117 @@
+// Copyright (c) 2011 Daniel Grunwald
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.IO;
+
+namespace ICSharpCode.NRefactory.Utils
+{
+	/// <summary>
+	/// A binary reader that can read the output of BinaryWriterWith7BitEncodedInts.
+	/// </summary>
+	public sealed class BinaryReaderWith7BitEncodedInts : BinaryReader
+	{
+		public BinaryReaderWith7BitEncodedInts(Stream stream) : base(stream)
+		{
+		}
+		
+		public override short ReadInt16()
+		{
+			return unchecked((short)(ushort)base.Read7BitEncodedInt());
+		}
+		
+		public override ushort ReadUInt16()
+		{
+			return unchecked((ushort)base.Read7BitEncodedInt());
+		}
+		
+		public override int ReadInt32()
+		{
+			return base.Read7BitEncodedInt();
+		}
+		
+		public override uint ReadUInt32()
+		{
+			return unchecked((uint)base.Read7BitEncodedInt());
+		}
+		
+		public override long ReadInt64()
+		{
+			return unchecked((long)this.ReadUInt64());
+		}
+		
+		public override ulong ReadUInt64()
+		{
+			ulong num = 0;
+			int shift = 0;
+			while (shift < 64) {
+				byte b = this.ReadByte();
+				num |= (ulong)(b & 127) << shift;
+				shift += 7;
+				if ((b & 128) == 0) {
+					return num;
+				}
+			}
+			throw new FormatException("Invalid 7-bit int64");
+		}
+	}
+
+	/// <summary>
+	/// A binary writer that encodes all integers as 7-bit-encoded-ints.
+	/// </summary>
+	public sealed class BinaryWriterWith7BitEncodedInts : BinaryWriter
+	{
+		public BinaryWriterWith7BitEncodedInts(Stream stream) : base(stream)
+		{
+		}
+		
+		public override void Write(short value)
+		{
+			base.Write7BitEncodedInt(unchecked((ushort)value));
+		}
+		
+		public override void Write(ushort value)
+		{
+			base.Write7BitEncodedInt(value);
+		}
+		
+		public override void Write(int value)
+		{
+			base.Write7BitEncodedInt(value);
+		}
+		
+		public override void Write(uint value)
+		{
+			base.Write7BitEncodedInt(unchecked((int)value));
+		}
+		
+		public override void Write(long value)
+		{
+			this.Write(unchecked((ulong)value));
+		}
+		
+		public override void Write(ulong value)
+		{
+			while (value >= 128) {
+				this.Write(unchecked((byte)(value | 128u)));
+				value >>= 7;
+			}
+			this.Write(unchecked((byte)value));
+		}
+	}
+}

src/Libraries/NRefactory/ICSharpCode.NRefactory/Utils/BitVector16.cs

@@ -23,6 +23,7 @@ namespace ICSharpCode.NRefactory.Utils
 	/// <summary>
 	/// Holds 16 boolean values.
 	/// </summary>
+	[Serializable]
 	public struct BitVector16 : IEquatable<BitVector16>
 	{
 		ushort data;

src/Libraries/NRefactory/ICSharpCode.NRefactory/Utils/EmptyList.cs

@@ -23,6 +23,7 @@ using System.Collections.ObjectModel;
 
 namespace ICSharpCode.NRefactory
 {
+	[Serializable]
 	sealed class EmptyList<T> : IList<T>, IEnumerator<T>
 	{
 		public static readonly IList<T> Instance = new EmptyList<T>();