public override void EnterRuleref([NotNull] ANTLRv4Parser.RulerefContext context)
{
TerminalNodeImpl first = context.GetChild(0) as TerminalNodeImpl;
string id = context.GetChild(0).GetText();
IList <ISymbol> list = _pd.RootScope.LookupType(id);
if (!list.Any())
{
ISymbol sym = new NonterminalSymbol(id, first.Symbol);
_pd.RootScope.define(ref sym);
}
List <CombinedScopeSymbol> new_attrs = new List <CombinedScopeSymbol>();
foreach (ISymbol sym in list)
{
CombinedScopeSymbol s = new RefSymbol(first.Symbol, sym);
new_attrs.Add(s);
}
_pd.Attributes[context] = new_attrs;
_pd.Attributes[context.GetChild(0)] = new_attrs;
}
/// <summary>
/// Visit a parse tree produced by <see cref="ANTLRv4Parser.ruleref"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitRuleref([NotNull] ANTLRv4Parser.RulerefContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="ANTLRv4Parser.ruleref"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitRuleref([NotNull] ANTLRv4Parser.RulerefContext context)
{
}
public override void EnterRuleref([NotNull] ANTLRv4Parser.RulerefContext context)
{
RHS[current_nonterminal].Add(context.GetChild(0) as ITerminalNode);
}