/// <summary>
/// Sets the current object.
/// </summary>
/// <param name="calledObject">The called object.</param>
/// <param name="currNode">The curr node.</param>
/// <param name="dispatchSetter">if set to <c>true</c> [dispatch setter].</param>
/// <returns><c>true</c> if current object is correctly set, <c>false</c> otherwise.</returns>
private bool setCurrentObject(RValueProvider calledObject, INodeAST currNode, bool dispatchSetter)
{
if (calledObject != null && currNode != null && currNode.Indexer != null)
{
if (dispatchSetter)
{
//nothing to do here - setters are created in LNode value processing
}
else
{
var searcher = createMethodSearcher(calledObject);
searcher.Dispatch(Naming.IndexerGetter);
calledObject = resolveCall(calledObject, currNode, searcher.FoundResult);
if (calledObject == null)
{
//indexer hasn't been found
return(false);
}
//reset searcher, because object has been found
_searcher = null;
}
}
_currentObject = calledObject;
return(true);
}
/// <summary>
/// Processes the r node.
/// </summary>
/// <param name="node">The node.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
private bool processRNode(INodeAST node)
{
//require available searcher
if (_searcher == null)
{
//new searcher is needed, based on current object
if (_currentObject == null)
{
//object is needed for searcher creation
//in current state - hierarchy has to be continuous
return(false);
}
_searcher = createMethodSearcher(_currentObject);
}
//search within the searcher
dispatchByNode(_searcher, node, false);
if (_searcher.HasResults)
{
//there are possible overloads for call
return(setCalledObject(node, false));
}
else
{
//methods are not available - probably namespace
//cascade is processed
return(extendName(node));
}
}
/// <summary>
/// Initializes the call search.
/// </summary>
/// <param name="calledObject">The called object.</param>
/// <param name="dispatchSetter">if set to <c>true</c> [dispatch setter].</param>
/// <returns>INodeAST.</returns>
private INodeAST initializeCallSearch(RValueProvider calledObject, bool dispatchSetter)
{
_searcher = createMethodSearcher(calledObject);
setCurrentObject(calledObject, _entryNode, dispatchSetter && _entryNode.Child == null);
var isCallNode = _entryNode.NodeType == NodeTypes.call;
var needEntryNode = calledObject == null || dispatchSetter || isCallNode;
//if there is a called object, entry node has been already used for it
var currNode = needEntryNode ? _entryNode : _entryNode.Child;
return(currNode);
}
/// <summary>
/// Sets the called object.
/// </summary>
/// <param name="currNode">The curr node.</param>
/// <param name="dispatchSetter">if set to <c>true</c> [dispatch setter].</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
private bool setCalledObject(INodeAST currNode, bool dispatchSetter)
{
var resolvedCall = resolveCall(_currentObject, currNode, _searcher.FoundResult);
if (resolvedCall == null || !setCurrentObject(resolvedCall, currNode, dispatchSetter))
{
return(false);
}
//old searcher is not needed now
_searcher = null;
return(true);
}
/// <summary>
/// Dispatch given searcher by node. It means that dispatch
/// calls on searcher will be called according to node value and structure.
/// </summary>
/// <param name="searcher">Searcher which is dispatched.</param>
/// <param name="node">Node dispatching searcher.</param>
/// <param name="dispatchSetter">Determine that only setter will be dispatche, otherwise only getter will be dispatched.</param>
/// <exception cref="System.NotSupportedException">Cannot resolve given node type inside hierarchy</exception>
private void dispatchByNode(MethodSearcher searcher, INodeAST node, bool dispatchSetter)
{
var name = Context.MapGeneric(node.Value);
switch (node.NodeType)
{
case NodeTypes.hierarchy:
if (dispatchSetter)
{
if (node.Indexer != null)
{
//indexer setters are handled in different way than getters
searcher.Dispatch(Naming.IndexerSetter);
}
else
{
searcher.Dispatch(Naming.SetterPrefix + name);
}
}
else
{
searcher.Dispatch(Naming.GetterPrefix + name);
}
break;
case NodeTypes.call:
//handle special name conventions
switch (name)
{
case CSharpSyntax.ThisVariable:
case CSharpSyntax.BaseVariable:
name = Naming.CtorName;
break;
}
//dispatch by name
searcher.Dispatch(name);
break;
default:
throw new NotSupportedException("Cannot resolve given node type inside hierarchy");
}
}
