internal static bool IsCompilerGeneratorEnumerator(this MethodDeclaration methodDeclaration, ref Lambda.Method methodBlock)
{
var methodDefinition = methodDeclaration.Annotation <MethodDefinition>();
var candidateNewObj = methodDefinition.Body.Instructions[1];
if (candidateNewObj.OpCode.Equals(OpCodes.Newobj))
{
var memberReference = candidateNewObj.Operand as Mono.Cecil.MethodReference;
if (memberReference != null)
{
var constructorInfo = memberReference.GetActualMethod <ConstructorInfo>();
if (constructorInfo != null && constructorInfo.DeclaringType.IsCompilerGenerated() && IsEnumerator(methodDefinition))
{
Instruction initializer = methodDefinition.Body.Instructions[0];
methodBlock = new Lambda.CompilerGeneratedEnumerator(initializer, candidateNewObj);
return(true);
}
}
}
return(false);
}
protected internal Expression VisitCompilerGeneratedEnumerator(CompilerGeneratedEnumerator enumerator) {
return enumerator.Update(enumerator.Enumerator);
}
