public override int VisitExpr_PLUSMINUS(firstParser.Expr_PLUSMINUSContext context)
{
ASTComposite m_parent = m_parents.Peek();
if (context.op.Type == firstParser.MINUS)
{
CASTSubtraction newnode = new CASTSubtraction(context.GetText(), nodeType.NT_SUBSTRACTION, m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expr(0), m_parentContext, contextType.CT_SUBSTRACTION_LEFT);
this.VisitElementInContext(context.expr(1), m_parentContext, contextType.CT_SUBSTRACTION_RIGHT);
}
else if (context.op.Type == firstParser.PLUS)
{
CASTAddition newnode = new CASTAddition(context.GetText(), nodeType.NT_ADDITION, m_parents.Peek(), 2);
m_parent.AddChild(newnode, m_parentContext.Peek());
m_parents.Push(newnode);
this.VisitElementInContext(context.expr(0), m_parentContext, contextType.CT_ADDITION_LEFT);
this.VisitElementInContext(context.expr(1), m_parentContext, contextType.CT_ADDITION_RIGHT);
}
m_parents.Pop();
return(0);
}
public override int VisitSubtraction(CASTSubtraction node)
{
ExtractSubgraphs(node, contextType.CT_SUBSTRACTION_LEFT);
ExtractSubgraphs(node, contextType.CT_SUBSTRACTION_RIGHT);
base.VisitSubtraction(node);
m_ostream.WriteLine("{0}->{1}", node.MParent.MNodeName, node.MNodeName);
return(0);
}
public virtual T VisitSubtraction(CASTSubtraction node)
{
VisitChildren(node);
return(default(T));
}