private bool ExtendsTheCallerType(IMethodElement method, ITypeElement callerType, Expression qualifier)
{
if (method == null || callerType == null)
{
return(false);
}
if (method.Parameters.Count == 0)
{
return(false);
}
ISourceTreeResolver resolver = ParserServices.SourceTreeResolver;
ExpressionCollection arguments = new ExpressionCollection();
arguments.Add(qualifier);
method = GenericElementActivator.ActivateMemberIfNeeded(resolver, method, arguments, null, ArgumentsHelper.ResolveArgumentTypes(resolver, arguments)) as IMethodElement;
if (method == null)
{
return(false);
}
IParameterElement extensionParam = method.Parameters[0] as IParameterElement;
if (extensionParam == null)
{
return(false);
}
ITypeReferenceExpression typeRef = extensionParam.Type;
if (typeRef == null)
{
return(false);
}
ITypeElement type = typeRef.GetDeclaration() as ITypeElement;
if (type == null)
{
return(false);
}
IArrayTypeElement arrayType = callerType as IArrayTypeElement;
//if (arrayType != null)
//{
// return true;
//}
//else
return(ArgumentsHelper.HasParamConversion(resolver, extensionParam, callerType, qualifier, TypeConversionMode.ImplicitConversion));
}
public static IElement ResolveType(this IElement active)
{
ISourceTreeResolver resolver = ParserServices.SourceTreeResolver;
if (active is IMemberElement)
{
return(resolver.ResolveElementType(active));
}
var expression = active as IExpression;
if (expression != null)
{
return(resolver.ResolveExpression(expression));
}
return(null);
}
