public static Intermediate.Symbol FindNamedSymbol(
this Intermediate.IScope scope,
CompoundName name,
Intermediate.Type type,
bool requireConst = false)
{
for (int i = 0; i < name.Count - 1; i++)
{
if (!scope.TryGetSymbol(new Signature(Type.ModuleType.Signature, name[i]), out Intermediate.Symbol scopeSym))
{
return(null);
}
if (!scopeSym.IsConst) // don't try to resolve actual module variables!
{
return(null);
}
scope = scopeSym.GetValue <Intermediate.Module>()?.Symbols;
if (scope == null)
{
return(null);
}
}
// TODO: Implement alias-types here or just use the direct type?
if (scope.TryGetSymbol(new Signature(type, name.Identifier), out Intermediate.Symbol modSym) == false)
{
return(null);
}
if (requireConst && !modSym.IsConst)
{
return(null);
}
return(modSym);
}
public static bool TryGetSymbol(this Intermediate.IScope scope, Intermediate.Signature name, out Intermediate.Symbol sym)
{
var good = scope.HasSymbol(name);
if (good)
{
sym = scope[name];
}
else
{
sym = default(Intermediate.Symbol);
}
return(good);
}
