public override Expression VisitParenthesized_expression([NotNull] calculatorParser.Parenthesized_expressionContext context)
{
if (context.children != null)
{
foreach (IParseTree c in context.children)
{
Visit(c);
}
}
if (_completeness.Results[context])
{
if (context.ChildCount == 1)
{
Expression lhs = Results[context.GetChild(0)];
Results[context] = lhs;
return(lhs);
}
if (context.ChildCount == 3)
{
Expression lhs = Results[context.GetChild(1)];
Results[context] = lhs;
return(lhs);
}
}
Results[context] = null;
return(null);
}
public override bool VisitParenthesized_expression([NotNull] calculatorParser.Parenthesized_expressionContext context)
{
bool res = true;
if (context.children != null)
{
foreach (IParseTree c in context.children)
{
if (!Visit(c))
{
Results[context] = false;
return(false);
}
}
}
if (context.ChildCount == 3)
{
bool r = Results[context.GetChild(1)];
res &= r;
}
Results[context] = res;
return(res);
}
