public NVTypeNode ResolveNamedTypeNodes(ErrorHandler errs, Scope currentScope, NVTypeNode type)
{
if (type is NVNamedTypeNode)
{
NVIdNode newType = currentScope.Find(type.Name);
if (newType != null)
{
return((NVTypeNode)newType);
}
AddSemanticError(errs, string.Format("The type name '{0}' could not be found", type.Name), _pos,
ErrorSeverity.Warning);
}
return(type);
}
public NVIdNode FindMember(ErrorHandler errs, Position pos, string name)
{
if (_scope != null)
{
NVIdNode idNode = _scope.Find(name);
if (idNode != null)
{
return(idNode);
}
}
// Could not obtain the identifier node
AddSemanticError(errs, string.Format(
"The name '{0}' does not exist in the current context", name), _pos, ErrorSeverity.Warning);
return(null);
}
public override void DoSemanticChecks(ErrorHandler errs, Scope currentScope)
{
_id = currentScope.Find(_name);
if (_id == null)
{
//AddSemanticError(errs, string.Format("The name '{0}' does not exist in the current context", _name),
// _pos, ErrorSeverity.Error);
return;
}
_type = _id.Type;
foreach (NVSelector selector in _selectors)
{
_type = selector.DoSemanticChecks(errs, currentScope, _type);
}
}
public NVTypeNode DoSemanticChecks(ErrorHandler errs, Scope currentScope, NVTypeNode currentType)
{
currentType = ResolveNamedTypeNodes(errs, currentScope, currentType);
// Check to see if the current node is an empty placeholder selector
if (_id.Name == "")
{
return(currentType);
}
if (currentType == null)
{
//TODO: Uncomment this when support for objects passed through the property bag is much better
//AddSemanticError(errs, "Type of identifier unknown", _pos, ErrorSeverity.Warning);
return(null);
}
if (!(currentType is NVClassNode))
{
AddSemanticError(errs, string.Format(
"Cannot apply identifier selector to type '{0}', the type must be a class type",
currentType.Name), _pos, ErrorSeverity.Warning);
return(currentType);
}
// Check if the member exists
_id = ((NVClassNode)currentType).FindMember(errs, _pos, _id.Name);
if (_id == null)
{
return(currentType);
}
_id.Type = ResolveNamedTypeNodes(errs, currentScope, _id.Type);
_type = _id.Type;
return(_type);
}
public NVSelector(NVIdNode id, NVReference nvReference)
{
_id = id;
_nvReference = nvReference;
}