private bool levelTwo_sempred(LevelTwoContext _localctx, int predIndex)
{
switch (predIndex)
{
case 2: return(Precpred(_ctx, 2));
case 3: return(Precpred(_ctx, 1));
}
return(true);
}
private LevelTwoContext levelTwo(int _p)
{
ParserRuleContext _parentctx = _ctx;
int _parentState = State;
LevelTwoContext _localctx = new LevelTwoContext(_ctx, _parentState);
LevelTwoContext _prevctx = _localctx;
int _startState = 4;
EnterRecursionRule(_localctx, 4, RULE_levelTwo, _p);
int _la;
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
State = 33;
switch (_input.La(1))
{
case ENTRY:
{
_localctx = new LevelOneOuterContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 28; levelOne(0);
}
break;
case LPAREN:
{
_localctx = new ParenOuterContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 29; Match(LPAREN);
State = 30; levelTwo(0);
State = 31; Match(RPAREN);
}
break;
default:
throw new NoViableAltException(this);
}
_ctx.stop = _input.Lt(-1);
State = 43;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 5, _ctx);
while (_alt != 2 && _alt != global::Antlr4.Runtime.Atn.ATN.InvalidAltNumber)
{
if (_alt == 1)
{
if (_parseListeners != null)
{
TriggerExitRuleEvent();
}
_prevctx = _localctx;
{
State = 41;
switch (Interpreter.AdaptivePredict(_input, 4, _ctx))
{
case 1:
{
_localctx = new StarOperator2Context(new LevelTwoContext(_parentctx, _parentState));
((StarOperator2Context)_localctx).left = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_levelTwo);
State = 35;
if (!(Precpred(_ctx, 2)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 2)");
}
State = 36;
((StarOperator2Context)_localctx).op = _input.Lt(1);
_la = _input.La(1);
if (!(_la == STAR || _la == HAT))
{
((StarOperator2Context)_localctx).op = _errHandler.RecoverInline(this);
}
Consume();
State = 37; ((StarOperator2Context)_localctx).right = levelTwo(3);
}
break;
case 2:
{
_localctx = new PlusOperator2Context(new LevelTwoContext(_parentctx, _parentState));
((PlusOperator2Context)_localctx).left = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_levelTwo);
State = 38;
if (!(Precpred(_ctx, 1)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 1)");
}
State = 39; Match(PLUS);
State = 40; ((PlusOperator2Context)_localctx).right = levelTwo(2);
}
break;
}
}
}
State = 45;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 5, _ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}
public LevelOneOuterContext(LevelTwoContext context)
{
CopyFrom(context);
}
public ParenOuterContext(LevelTwoContext context)
{
CopyFrom(context);
}
public PlusOperator2Context(LevelTwoContext context)
{
CopyFrom(context);
}
public StarOperator2Context(LevelTwoContext context)
{
CopyFrom(context);
}
public virtual void CopyFrom(LevelTwoContext context)
{
base.CopyFrom(context);
}