internal void LookupResolvedNameAndRewriteAst(ElementResolver elementResolver,
ref AssociativeNode astNode)
{
Debug.Assert(elementResolver != null);
// Get partial class identifier/identifier lists
var classIdentifiers = GetClassIdentifiers(astNode);
var resolvedNames = new Queue <string>();
foreach (var identifier in classIdentifiers)
{
string partialName = string.Empty;
var identifierList = identifier as IdentifierListNode;
if (identifierList != null)
{
partialName = CoreUtils.GetIdentifierExceptMethodName(identifierList);
}
else
{
partialName = identifier.Name;
}
var resolvedName = elementResolver.LookupResolvedName(partialName);
if (string.IsNullOrEmpty(resolvedName))
{
// If namespace resolution map does not contain entry for partial name,
// back up on compiler to resolve the namespace from partial name
var matchingClasses = CoreUtils.GetResolvedClassName(classTable, CoreUtils.CreateNodeFromString(partialName));
if (matchingClasses.Length == 1)
{
resolvedName = matchingClasses[0];
var assemblyName = CoreUtils.GetAssemblyFromClassName(classTable, resolvedName);
elementResolver.AddToResolutionMap(partialName, resolvedName, assemblyName);
}
else
{
// Class name could not be resolved - Possible namespace conflict
// This will be reported subsequently in the pre-compilation stage if there's a conflict
// Enter an empty resolved name to the list and continue
resolvedNames.Enqueue(string.Empty);
continue;
}
}
resolvedNames.Enqueue(resolvedName);
}
if (resolvedNames.Any())
{
RewriteAstWithResolvedName(ref astNode, resolvedNames);
}
}
private string ResolveClassName(AssociativeNode identifierList)
{
var identListNode = identifierList as IdentifierListNode;
string partialName = identListNode != null?
CoreUtils.GetIdentifierExceptMethodName(identListNode) : identifierList.Name;
if (string.IsNullOrEmpty(partialName))
{
return(String.Empty);
}
var resolvedName = elementResolver.LookupResolvedName(partialName);
if (!string.IsNullOrEmpty(resolvedName))
{
return(resolvedName);
}
// If namespace resolution map does not contain entry for partial name,
// back up on compiler to resolve the namespace from partial name
var matchingClasses = CoreUtils.GetResolvedClassName(classTable, identifierList);
if (matchingClasses.Length == 1)
{
resolvedName = matchingClasses[0];
var classNode = classTable.ClassNodes.FirstOrDefault(x => x.Name == resolvedName);
var isHiddenInLibrary = classNode.ClassAttributes?.HiddenInLibrary ?? false;
// Do not add a hidden class to element resolver.
if (!isHiddenInLibrary)
{
var assemblyName = CoreUtils.GetAssemblyFromClassName(classTable, resolvedName);
elementResolver.AddToResolutionMap(partialName, resolvedName, assemblyName);
}
}
else if (matchingClasses.Length > 1)
{
OnLogSymbolConflictWarning(partialName, matchingClasses);
}
return(resolvedName);
}
private AssociativeNode RewriteIdentifierListNode(AssociativeNode identifierList)
{
var identListNode = identifierList as IdentifierListNode;
string partialName = identListNode != null?
CoreUtils.GetIdentifierExceptMethodName(identListNode) : identifierList.Name;
var resolvedName = elementResolver.LookupResolvedName(partialName);
if (string.IsNullOrEmpty(resolvedName))
{
// If namespace resolution map does not contain entry for partial name,
// back up on compiler to resolve the namespace from partial name
var matchingClasses = CoreUtils.GetResolvedClassName(classTable, identifierList);
if (matchingClasses.Length == 1)
{
resolvedName = matchingClasses[0];
var assemblyName = CoreUtils.GetAssemblyFromClassName(classTable, resolvedName);
elementResolver.AddToResolutionMap(partialName, resolvedName, assemblyName);
}
}
if (string.IsNullOrEmpty(resolvedName))
{
return(identifierList);
}
var newIdentList = CoreUtils.CreateNodeFromString(resolvedName);
Validity.Assert(newIdentList is IdentifierListNode);
// If the original input node matches with the resolved name, simply return
// the identifier list constructed from the resolved name
var symbol = new Symbol(resolvedName);
if (symbol.Matches(identifierList.ToString()))
{
return(newIdentList);
}
// Remove partialName from identListNode and replace with newIdentList
AssociativeNode leftNode = identListNode != null ? identListNode.LeftNode : identifierList;
AssociativeNode rightNode = identListNode != null ? identListNode.RightNode : identifierList;
var intermediateNodes = new List <AssociativeNode>();
while (leftNode is IdentifierListNode && !symbol.Matches(leftNode.ToString()))
{
intermediateNodes.Insert(0, ((IdentifierListNode)leftNode).RightNode);
leftNode = ((IdentifierListNode)leftNode).LeftNode;
}
intermediateNodes.Insert(0, newIdentList);
var lNode = CoreUtils.CreateNodeByCombiningIdentifiers(intermediateNodes);
Validity.Assert(lNode is IdentifierListNode);
// The last ident list for the functioncall or identifier rhs
var lastIdentList = new IdentifierListNode
{
LeftNode = lNode,
RightNode = rightNode,
Optr = Operator.dot
};
return(lastIdentList);
}
