Implement pattern matching for statements.

ICSharpCode.Decompiler/Ast/CommentStatement.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Linq;
 using ICSharpCode.NRefactory.CSharp;
+using ICSharpCode.NRefactory.CSharp.PatternMatching;
 
 namespace Decompiler
 {
@@ -34,5 +35,11 @@ namespace Decompiler
 				cs.Remove();
 			}
 		}
+		
+		protected override bool DoMatch(AstNode other, Match match)
+		{
+			CommentStatement o = other as CommentStatement;
+			return o != null && MatchString(comment, o.comment);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/CheckedStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // CheckedStatement.cs
 //
 // Author:
@@ -44,5 +44,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitCheckedStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			CheckedStatement o = other as CheckedStatement;
+			return o != null && this.Body.DoMatch(o.Body, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/ContinueStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // ContinueStatement.cs
 //  
 // Author:
@@ -39,5 +39,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitContinueStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			ContinueStatement o = other as ContinueStatement;
+			return o != null;
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/DoWhileStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // DoWhileStatement.cs
 //  
 // Author:
@@ -68,6 +68,12 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitDoWhileStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			DoWhileStatement o = other as DoWhileStatement;
+			return o != null && this.EmbeddedStatement.DoMatch(o.EmbeddedStatement, match) && this.Condition.DoMatch(o.Condition, match);
+		}
 	}
 }
 

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/EmptyStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // EmptyStatement.cs
 //  
 // Author:
@@ -52,5 +52,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitEmptyStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			EmptyStatement o = other as EmptyStatement;
+			return o != null;
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/FixedStatement.cs

@@ -63,5 +63,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitFixedStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			FixedStatement o = other as FixedStatement;
+			return o != null && this.Variables.DoMatch(o.Variables, match) && this.EmbeddedStatement.DoMatch(o.EmbeddedStatement, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/ForeachStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // ForeachStatement.cs
 //
 // Author:
@@ -75,5 +75,12 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitForeachStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			ForeachStatement o = other as ForeachStatement;
+			return o != null && this.VariableType.DoMatch(o.VariableType, match) && MatchString(this.VariableName, o.VariableName)
+				&& this.InExpression.DoMatch(o.InExpression, match) && this.EmbeddedStatement.DoMatch(o.EmbeddedStatement, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/GotoStatement.cs

@@ -56,14 +56,6 @@ namespace ICSharpCode.NRefactory.CSharp
 			}
 		}
 		
-		/// <summary>
-		/// Used for "goto case LabelExpression;"
-		/// </summary>
-		public Expression LabelExpression {
-			get { return GetChildByRole (Roles.Expression); }
-			set { SetChildByRole (Roles.Expression, value); }
-		}
-		
 		public CSharpTokenNode SemicolonToken {
 			get { return GetChildByRole (Roles.Semicolon); }
 		}
@@ -72,6 +64,12 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitGotoStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			GotoStatement o = other as GotoStatement;
+			return o != null && MatchString(this.Label, o.Label);
+		}
 	}
 	
 	/// <summary>
@@ -89,18 +87,6 @@ namespace ICSharpCode.NRefactory.CSharp
 			get { return GetChildByRole (CaseKeywordRole); }
 		}
 		
-		public string Label {
-			get {
-				return GetChildByRole (Roles.Identifier).Name;
-			}
-			set {
-				if (string.IsNullOrEmpty(value))
-					SetChildByRole(Roles.Identifier, null);
-				else
-					SetChildByRole(Roles.Identifier, new Identifier(value, AstLocation.Empty));
-			}
-		}
-		
 		/// <summary>
 		/// Used for "goto case LabelExpression;"
 		/// </summary>
@@ -117,6 +103,12 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitGotoCaseStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			GotoCaseStatement o = other as GotoCaseStatement;
+			return o != null && this.LabelExpression.DoMatch(o.LabelExpression, match);
+		}
 	}
 	
 	/// <summary>
@@ -142,5 +134,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitGotoDefaultStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			GotoDefaultStatement o = other as GotoDefaultStatement;
+			return o != null;
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/LabelStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // LabelStatement.cs
 //
 // Author:
@@ -40,9 +40,19 @@ namespace ICSharpCode.NRefactory.CSharp
 			}
 		}
 		
+		public CSharpTokenNode Colon {
+			get { return GetChildByRole (Roles.Colon); }
+		}
+		
 		public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
 		{
 			return visitor.VisitLabelStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			LabelStatement o = other as LabelStatement;
+			return o != null && MatchString(this.Label, o.Label);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/LockStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // LockStatement.cs
 //  
 // Author:
@@ -57,5 +57,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitLockStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			LockStatement o = other as LockStatement;
+			return o != null && this.Expression.DoMatch(o.Expression, match) && this.EmbeddedStatement.DoMatch(o.EmbeddedStatement, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/ReturnStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // ReturnStatement.cs
 //  
 // Author:
@@ -48,5 +48,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitReturnStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			ReturnStatement o = other as ReturnStatement;
+			return o != null && this.Expression.DoMatch(o.Expression, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/Statement.cs

@@ -52,10 +52,5 @@ namespace ICSharpCode.NRefactory.CSharp
 		public override NodeType NodeType {
 			get { return NodeType.Statement; }
 		}
-		
-		protected internal override bool DoMatch(AstNode other, ICSharpCode.NRefactory.CSharp.PatternMatching.Match match)
-		{
-			throw new NotImplementedException();
-		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/SwitchStatement.cs

@@ -69,6 +69,12 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitSwitchStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			SwitchStatement o = other as SwitchStatement;
+			return o != null && this.Expression.DoMatch(o.Expression, match) && this.SwitchSections.DoMatch(o.SwitchSections, match);
+		}
 	}
 	
 	public class SwitchSection : AstNode

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/ThrowStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // ThrowStatement.cs
 //  
 // Author:
@@ -48,5 +48,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitThrowStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			ThrowStatement o = other as ThrowStatement;
+			return o != null && this.Expression.DoMatch(o.Expression, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/UncheckedStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // UncheckedStatement.cs
 //  
 // Author:
@@ -44,5 +44,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitUncheckedStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			UncheckedStatement o = other as UncheckedStatement;
+			return o != null && this.Body.DoMatch(o.Body, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/UnsafeStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // UnsafeStatement.cs
 //
 // Author:
@@ -44,5 +44,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitUnsafeStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			UnsafeStatement o = other as UnsafeStatement;
+			return o != null && this.Body.DoMatch(o.Body, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/WhileStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // WhileStatement.cs
 //  
 // Author:
@@ -59,5 +59,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitWhileStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			WhileStatement o = other as WhileStatement;
+			return o != null && this.Condition.DoMatch(o.Condition, match) && this.EmbeddedStatement.DoMatch(o.EmbeddedStatement, match);
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/YieldBreakStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // YieldBreakStatement.cs
 //
 // Author:
@@ -50,5 +50,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitYieldBreakStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			YieldBreakStatement o = other as YieldBreakStatement;
+			return o != null;
+		}
 	}
 }

NRefactory/ICSharpCode.NRefactory/CSharp/Ast/Statements/YieldStatement.cs

@@ -1,4 +1,4 @@
-// 
+// 
 // YieldStatement.cs
 //
 // Author:
@@ -55,5 +55,11 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 			return visitor.VisitYieldStatement (this, data);
 		}
+		
+		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
+		{
+			YieldStatement o = other as YieldStatement;
+			return o != null && this.Expression.DoMatch(o.Expression, match);
+		}
 	}
 }