internal override Node Bind(Binder b)
{
Symbol = b.Lookup(Name);
if (Affinity != BindAffinity.Invoke && Affinity != BindAffinity.Type)
{
if (Symbol.IsMethodOrMethodGroup())
{
// IdExpr can't be a method
// TODO (nvk): If delegates are supprted this needs to be revised!
Symbol = null;
}
else if (Symbol is TypeSymbol)
{
Symbol = null;
}
else if (Symbol is NamespaceSymbol)
{
Symbol = null;
}
else if (Symbol is SymbolList)
{
Symbol = Symbol.UniqueIdent();
}
}
if (Symbol == null && Affinity != BindAffinity.Type)
{
if (Affinity == BindAffinity.Alias)
{
return(LiteralExpr.Bound(Constant.Create(Name)));
}
else
{
switch (b.Options.UndeclaredVariableResolution)
{
case VariableResolution.Error:
throw Error(ErrorCode.IdentifierNotFound, Name);
case VariableResolution.GenerateLocal:
Symbol = b.AddVariable(Name, Compilation.Get(NativeType.Usual));
break;
case VariableResolution.TreatAsField:
return(AliasExpr.Bound(Name));
case VariableResolution.TreatAsFieldOrMemvar:
if (Affinity == BindAffinity.Assign)
{
b.CreatesAutoVars = true;
}
return(AutoVarExpr.Bound(Name));
}
}
}
Datatype = Symbol.Type();
return(null);
}
