/// <summary>
/// Need to make sure that references to ForAll/Exists that could be to another assembly go to the target contract nodes
/// implementation.
/// </summary>
public override Expression VisitMemberBinding(MemberBinding memberBinding)
{
if (memberBinding == null)
{
return(null);
}
var result = base.VisitMemberBinding(memberBinding);
memberBinding = result as MemberBinding;
if (this.targetContractNodes != null && memberBinding != null && memberBinding.TargetObject == null)
{
// all methods are static
Method method = memberBinding.BoundMember as Method;
if (method == null)
{
return(memberBinding);
}
Contract.Assume(this.contractNodes != null);
if (method.Template == null)
{
if (contractNodes.IsExistsMethod(method))
{
return(new MemberBinding(null, targetContractNodes.GetExistsTemplate));
}
if (contractNodes.IsForallMethod(method))
{
return(new MemberBinding(null, targetContractNodes.GetForAllTemplate));
}
}
else
{
// template != null
Method template = method.Template;
var templateArgs = method.TemplateArguments;
if (contractNodes.IsGenericForallMethod(template))
{
Contract.Assume(templateArgs != null);
Contract.Assume(targetContractNodes.GetForAllGenericTemplate != null);
return(new MemberBinding(null,
targetContractNodes.GetForAllGenericTemplate.GetTemplateInstance(
targetContractNodes.GetForAllGenericTemplate.DeclaringType, templateArgs[0])));
}
if (contractNodes.IsGenericExistsMethod(template))
{
Contract.Assume(templateArgs != null);
Contract.Assume(targetContractNodes.GetExistsGenericTemplate != null);
return(new MemberBinding(null,
targetContractNodes.GetExistsGenericTemplate.GetTemplateInstance(
targetContractNodes.GetExistsGenericTemplate.DeclaringType, templateArgs[0])));
}
}
}
return(result);
}
