Ejemplo n.º 1
0
 public virtual void EnterOuterAlt(ParserRuleContext localctx, int altNum)
 {
     localctx.setAltNumber(altNum);
     // if we have new localctx, make sure we replace existing ctx
     // that is previous child of parse tree
     if (_buildParseTrees && _ctx != localctx)
     {
         ParserRuleContext parent = (ParserRuleContext)_ctx.Parent;
         if (parent != null)
         {
             parent.RemoveLastChild();
             parent.AddChild(localctx);
         }
     }
     _ctx = localctx;
 }
Ejemplo n.º 2
0
 public virtual void EnterLeftFactoredRule(ParserRuleContext localctx, int state, int ruleIndex)
 {
     State = state;
     if (_buildParseTrees)
     {
         ParserRuleContext factoredContext = (ParserRuleContext)_ctx.GetChild(_ctx.ChildCount - 1);
         _ctx.RemoveLastChild();
         factoredContext.Parent = localctx;
         localctx.AddChild(factoredContext);
     }
     _ctx       = localctx;
     _ctx.Start = _input.LT(1);
     if (_buildParseTrees)
     {
         AddContextToParseTree();
     }
     if (_parseListeners != null)
     {
         TriggerEnterRuleEvent();
     }
 }