public override int VisitExpr_PLUSMINUS(firstParser.Expr_PLUSMINUSContext context)
{
int serial = ms_serialCounter++;
string s = "";
switch (context.op.Type)
{
case firstParser.PLUS:
s = "Plus_" + serial;
// Preorder action
outFile.WriteLine("\"{0}\"->\"{1}\";", m_labels.Peek(), s);
break;
case firstParser.MINUS:
s = "Minus_" + serial;
// Preorder action
outFile.WriteLine("\"{0}\"->\"{1}\";", m_labels.Peek(), s);
break;
default:
break;
}
m_labels.Push(s);
base.VisitChildren(context);
m_labels.Pop();
return(0);
}
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 VisitExpr_PLUSMINUS(firstParser.Expr_PLUSMINUSContext context)
{
if (context.op.Type == firstParser.MINUS)
{
CASTSubtraction newNode = new CASTSubtraction(nodeType.NT_SUBTRACTION, m_parents.Peek(), 2);
m_parents.Push(newNode);
}
else if (context.op.Type == firstParser.PLUS)
{
CASTAddition newNode = new CASTAddition(nodeType.NT_ADDITION, m_parents.Peek(), 2);
m_parents.Push(newNode);
}
base.VisitExpr_PLUSMINUS(context);
m_parents.Pop();
return(0);
}
