public void visitIdentifier(Identifier i)
{
i.declaration = _currentScope.find(i);
if (_inImport)
{
// add the import as a declaration
//i.declaration.accept(this);
}
}
public Variable find(Identifier i)
{
if (i.type == IdentifierType.Simple)
{
if (_locals.ContainsKey(i))
{
return(_locals[i]);
}
else if (hasParent())
{
return(_parent.find(i));
}
//else if (_componentScopes.ContainsKey(identifier))
//{
//}
else
{
throw new ScopeException(i.row, i.col, $"{i.name} has not been declared");
}
}
else if (i.type == IdentifierType.Compound)
{
List <Identifier> parts = i.parts;
// can only currently handle components
if (parts.Count == 2)
{
Scope componentScope = findImportScope(parts[0]);
return(componentScope.find(parts[1]));
}
else
{
throw new ArgumentException();
}
//Scope activeScope = this;
//Variable result = null;
//while (parts.Count > 0)
//{
// Identifier part = parts[0];
// parts.RemoveAt(0);
// Variable v = activeScope.find(part);
// if (parts.Count == 0)
// {
// result = v;
// break;
// }
// else
// {
// activeScope = v.scope;
// }
//}
//if (result != null)
//{
// return result;
//}
//else
//{
// throw new ScopeException(identifier.row, identifier.col, $"{identifier.name} has not been declared.");
//}
}
else
{
throw new ArgumentException();
}
}
