1 files changed, 65 insertions, 0 deletions
diff --git a/ICSharpCode.Decompiler/Ast/Transforms/TransformationPipeline.cs b/ICSharpCode.Decompiler/Ast/Transforms/TransformationPipeline.cs
new file mode 100644
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+++ b/ICSharpCode.Decompiler/Ast/Transforms/TransformationPipeline.cs
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+// Copyright (c) 2011 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.Threading;
+using ICSharpCode.NRefactory.CSharp;
+
+namespace ICSharpCode.Decompiler.Ast.Transforms
+{
+	public interface IAstTransform
+	{
+		void Run(AstNode compilationUnit);
+	}
+	
+	public static class TransformationPipeline
+	{
+		public static IAstTransform[] CreatePipeline(DecompilerContext context)
+		{
+			return new IAstTransform[] {
+				new PushNegation(),
+				new DelegateConstruction(context),
+				new PatternStatementTransform(context),
+				new ReplaceMethodCallsWithOperators(context),
+				new IntroduceUnsafeModifier(),
+				new AddCheckedBlocks(),
+				new DeclareVariables(context), // should run after most transforms that modify statements
+				new ConvertConstructorCallIntoInitializer(), // must run after DeclareVariables
+				new DecimalConstantTransform(),
+				new IntroduceUsingDeclarations(context),
+				new IntroduceExtensionMethods(context), // must run after IntroduceUsingDeclarations
+				new IntroduceQueryExpressions(context), // must run after IntroduceExtensionMethods
+				new CombineQueryExpressions(context),
+				new FlattenSwitchBlocks(), 
+			};
+		}
+		
+		public static void RunTransformationsUntil(AstNode node, Predicate<IAstTransform> abortCondition, DecompilerContext context)
+		{
+			if (node == null)
+				return;
+			
+			foreach (var transform in CreatePipeline(context)) {
+				context.CancellationToken.ThrowIfCancellationRequested();
+				if (abortCondition != null && abortCondition(transform))
+					return;
+				transform.Run(node);
+			}
+		}
+	}
+}