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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);
}
}
}
}
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