public void DoSemantics()
{
SemanticsVisitor visitor = new SemanticsVisitor();
Console.WriteLine("Starting semantic checking");
visitor.CheckSemantics(CurrentSemanticValue);
}
//check if Identifier is declared in Symbol table and assignable
public override void VisitNode(Identifier node)
{
SemanticsVisitor visitor = new SemanticsVisitor();
node.Accept(visitor);
if (!isAssignable(node.AttributesRef))
{
node.TypeRef = new ErrorTypeDescriptor();
node.AttributesRef = null;
}
}
