public Expression Mutate(Expression oldExpression, Expression processor, Expression owner, IStateMember member, Expression descriptor)
{
MethodInfo methodToCall =
_methodMapper.GetMethod(_processorType, member, member.MemberType, _routed);
MethodCallExpression callProcessor =
Expression.Call(processor, methodToCall, descriptor);
Expression result = callProcessor;
return(result);
}
public RouteDelegate GetRouteDelegate(IStateMember member, Type runtimeMemberType)
{
ParameterExpression processor = Expression.Parameter(typeof(object), "processor");
ParameterExpression owner = Expression.Parameter(typeof(object), "owner");
ParameterExpression skipSpecialMethods = Expression.Parameter(typeof(bool), "skipSpecialMethods");
var castedProcessor =
processor.Convert(_processorType);
DescriptorWriter descriptorWriter = new DescriptorWriter(_climbStore);
DescriptorVariable descriptor =
descriptorWriter.GetDescriptor(processor, owner, member, runtimeMemberType);
MethodInfo methodToCall =
_methodMapper.GetMethod(_processorType, member, runtimeMemberType, true);
MethodCallExpression callProcess =
Expression.Call(castedProcessor, methodToCall, descriptor.Reference);
Expression callProcessWithSpecialMethods =
_specialMutator.Mutate(callProcess, castedProcessor, owner, member, descriptor.Reference);
BlockExpression body =
Expression.Block(new[] { descriptor.Reference },
descriptor.Declaration,
Expression.Condition(skipSpecialMethods,
callProcess,
callProcessWithSpecialMethods));
Expression <RouteDelegate> lambda =
Expression.Lambda <RouteDelegate>(body,
"Route_" + runtimeMemberType.Name,
new[] { processor, owner, skipSpecialMethods });
return(_compiler.Compile(lambda));
}
