public override Expression CloneExpressionOnly()
{
Expression clonnedValue = Value != null?Value.CloneExpressionOnly() : null;
ShortFormReturnExpression result = new ShortFormReturnExpression(clonnedValue, null);
return(result);
}
public override Expression Clone()
{
Expression clonnedValue = Value != null?Value.Clone() : null;
ShortFormReturnExpression result = new ShortFormReturnExpression(clonnedValue, instructions);
return(result);
}
public override ICodeNode VisitMethodReferenceExpression(MethodReferenceExpression node)
{
MethodDefinition methodDefinition = node.Method.Resolve();
TypeDefinition currentType = context.TypeContext.CurrentType;
if (methodDefinition == null ||
methodDefinition.DeclaringType != currentType && !methodDefinition.DeclaringType.IsNestedIn(currentType))
{
return base.VisitMethodReferenceExpression(node);
}
if ((!methodDefinition.IsGetter) && (!methodDefinition.IsSetter) &&
(methodDefinition.IsCompilerGenerated() || CheckTypeForCompilerGeneratedAttribute(methodDefinition.DeclaringType)))
{
BlockStatement statement = null;
if (methodDefinition.Body != null)
{
DecompilationContext innerContext = CreateDecompilationContext(methodDefinition);
statement = methodDefinition.Body.DecompileLambda(Language, innerContext);
if ((statement.Statements.Count == 1) && (statement.Statements[0].CodeNodeType == CodeNodeType.ExpressionStatement) &&
((statement.Statements[0] as ExpressionStatement).Expression.CodeNodeType == CodeNodeType.ReturnExpression))
{
ReturnExpression returnExpression = (statement.Statements[0] as ExpressionStatement).Expression as ReturnExpression;
ShortFormReturnExpression shortFormReturnExpression = new ShortFormReturnExpression(returnExpression.Value, returnExpression.MappedInstructions);
statement = new BlockStatement();
statement.Statements.Add(new ExpressionStatement(shortFormReturnExpression));
}
this.context.MethodContext.VariableDefinitionToNameMap.AddRange(innerContext.MethodContext.VariableDefinitionToNameMap);
this.context.MethodContext.VariableNamesCollection.UnionWith(innerContext.MethodContext.VariableNamesCollection);
this.context.MethodContext.AddInnerMethodParametersToContext(innerContext.MethodContext);
this.context.MethodContext.GotoStatements.AddRange(innerContext.MethodContext.GotoStatements);
this.context.MethodContext.GotoLabels.AddRange(innerContext.MethodContext.GotoLabels);
}
ExpressionCollection expressionCollection = new ExpressionCollection();
bool hasAnonymousParameter = LambdaExpressionsHelper.HasAnonymousParameter(methodDefinition.Parameters);
foreach (ParameterDefinition parameter in methodDefinition.Parameters)
{
expressionCollection.Add(new LambdaParameterExpression(parameter, !hasAnonymousParameter, null));
}
return new LambdaExpression(expressionCollection, statement, methodDefinition.IsAsync(), methodDefinition.IsFunction(), node.Method.Parameters, false, node.MappedInstructions);
}
return base.VisitMethodReferenceExpression(node);
}
public override void VisitShortFormReturnExpression(ShortFormReturnExpression node)
{
if (node.Value != null)
{
Visit(node.Value);
}
}
public override Expression CloneExpressionOnly()
{
Expression clonnedValue = Value != null ? Value.CloneExpressionOnly() : null;
ShortFormReturnExpression result = new ShortFormReturnExpression(clonnedValue, null);
return result;
}
public override Expression Clone()
{
Expression clonnedValue = Value != null ? Value.Clone() : null;
ShortFormReturnExpression result = new ShortFormReturnExpression(clonnedValue, instructions);
return result;
}
public override ICodeNode VisitObjectCreationExpression(ObjectCreationExpression node)
{
if (state == State.ReplaceDelegate && node.Arguments != null && node.Arguments.Count == 2 &&
node.Arguments[0].CodeNodeType == CodeNodeType.VariableReferenceExpression &&
node.Arguments[1].CodeNodeType == CodeNodeType.MethodReferenceExpression &&
delegateCopies.Contains((node.Arguments[0] as VariableReferenceExpression).Variable))
{
//final check inserted here for optimization
TypeDefinition objectType = node.Constructor.DeclaringType.Resolve();
if (objectType == null || objectType.BaseType == null || objectType.BaseType.FullName != "System.MulticastDelegate")
{
return base.VisitObjectCreationExpression(node);
}
MethodReference methodReference = (node.Arguments[1] as MethodReferenceExpression).Method;
MethodDefinition methodDefinition = (node.Arguments[1] as MethodReferenceExpression).MethodDefinition;
MethodSpecificContext delegateMethodContext = new MethodSpecificContext(methodDefinition.Body);
DecompilationContext innerContext = new DecompilationContext(delegateMethodContext, context.TypeContext, context.ModuleContext, context.AssemblyContext);
delegateMethodContext.FieldToExpression = fieldDefToAssignedValueMap;
BlockStatement methodStatements = methodDefinition.Body.DecompileLambda(Language, innerContext);
if ((methodStatements.Statements.Count == 1) && (methodStatements.Statements[0].CodeNodeType == CodeNodeType.ExpressionStatement) &&
((methodStatements.Statements[0] as ExpressionStatement).Expression.CodeNodeType == CodeNodeType.ReturnExpression))
{
ReturnExpression returnExpression = (methodStatements.Statements[0] as ExpressionStatement).Expression as ReturnExpression;
ShortFormReturnExpression shortFormReturnExpression = new ShortFormReturnExpression(returnExpression.Value, returnExpression.MappedInstructions);
methodStatements = new BlockStatement();
methodStatements.Statements.Add(new ExpressionStatement(shortFormReturnExpression));
}
this.context.MethodContext.VariableDefinitionToNameMap.AddRange(innerContext.MethodContext.VariableDefinitionToNameMap);
this.context.MethodContext.VariableNamesCollection.UnionWith(innerContext.MethodContext.VariableNamesCollection);
this.context.MethodContext.AddInnerMethodParametersToContext(innerContext.MethodContext);
this.context.MethodContext.GotoStatements.AddRange(innerContext.MethodContext.GotoStatements);
this.context.MethodContext.GotoLabels.AddRange(innerContext.MethodContext.GotoLabels);
ExpressionCollection expressionCollection = new ExpressionCollection();
bool hasAnonymousParamterer = LambdaExpressionsHelper.HasAnonymousParameter(methodDefinition.Parameters);
foreach (ParameterDefinition parameter in methodDefinition.Parameters)
{
expressionCollection.Add(new LambdaParameterExpression(parameter, !hasAnonymousParamterer, null));
}
delegatesFound.Add(methodStatements);
LambdaExpression lambdaExpression =
new LambdaExpression(expressionCollection, methodStatements, methodDefinition.IsAsync(), methodDefinition.IsFunction(), methodReference.Parameters, false,
node.Arguments[1].MappedInstructions) { ExpressionType = objectType };
DelegateCreationExpression result = new DelegateCreationExpression(node.Constructor.DeclaringType, lambdaExpression, node.Arguments[0], node.MappedInstructions);
return result;
}
return base.VisitObjectCreationExpression(node);
}
public virtual void VisitShortFormReturnExpression(ShortFormReturnExpression node)
{
Visit(node.Value);
}
