public override int VisitExprMinusOrPlusUnary(RParser.ExprMinusOrPlusUnaryContext context)
{
string label = "MinusOrPlusUnary_" + ms_ASTElementCounter.ToString();
m_outputStream.WriteLine("\"{0}\"->\"{1}\";", m_PTPath.Peek(), label);
ms_ASTElementCounter++;
m_PTPath.Push(label);
base.VisitExprMinusOrPlusUnary(context);
// POSTORDER ACTIONS
m_PTPath.Pop();
return(0);
}
public override int VisitExprMinusOrPlusUnary(RParser.ExprMinusOrPlusUnaryContext context)
{
RASTComposite parent = m_parents.Peek();
// PREORDER ACTIONS
// Create new element
RASTComposite newElement = new RMinusOrPlusUnary(parent);
// Update parents stack
m_parents.Push(newElement);
// Add new element to the parent's descentants
parent.AddChild(newElement, m_currentContext.Peek());
// VISIT CHILDREN
VisitElementInContext(context.expr(), ContextType.CT_EXPR_MINUS_OR_PLUS_UNARY);
// POSTORDER ACTIONS
// Update parents stack
m_parents.Pop();
return(0);
}