public override Expression ResolveTypes(ParserContext context, VariableScope varScope)
{
// This might be a long chain of Namespace references.
// Determine if this is a class name. Otherwise recurse down until one is.
DotField walker = this;
List <Token> chain = new List <Token>()
{
walker.FieldName
};
while (walker.Root is DotField)
{
chain.Add(((DotField)walker.Root).FieldName);
walker = (DotField)walker.Root;
}
Variable deepestVariable = walker.Root as Variable;
bool isChain = false;
if (deepestVariable != null)
{
char c = deepestVariable.Name.Value[0];
isChain = c >= 'A' && c <= 'Z'; // This is a lame optimization.
chain.Add(deepestVariable.FirstToken);
chain.Reverse();
}
if (isChain)
{
Expression newExpr = AttemptToResolveDotFieldChainIntoDirectReference(chain, context, this);
if (newExpr != null)
{
return(newExpr);
}
}
this.Root = this.Root.ResolveTypes(context, varScope);
if (this.Root.ResolvedType == null)
{
// should always be resolved by now.
throw new System.InvalidOperationException();
}
ResolvedType rootType = this.Root.ResolvedType;
VerifiedFieldReference fieldRef = new VerifiedFieldReference(this.FirstToken, this.parent, this.FieldName, this.Root, null);
fieldRef.TryResolveFieldReference(context, null, varScope);
return(fieldRef);
}
