private bool plusOrMinus_sempred(PlusOrMinusContext _localctx, int predIndex)
{
switch (predIndex)
{
case 0: return(Precpred(Context, 3));
case 1: return(Precpred(Context, 2));
}
return(true);
}
private PlusOrMinusContext plusOrMinus(int _p)
{
ParserRuleContext _parentctx = Context;
int _parentState = State;
PlusOrMinusContext _localctx = new PlusOrMinusContext(Context, _parentState);
PlusOrMinusContext _prevctx = _localctx;
int _startState = 4;
EnterRecursionRule(_localctx, 4, RULE_plusOrMinus, _p);
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
{
_localctx = new ToMultOrDivContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 31; multOrDiv(0);
}
Context.Stop = TokenStream.LT(-1);
State = 41;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 3, Context);
while (_alt != 2 && _alt != global::Antlr4.Runtime.Atn.ATN.INVALID_ALT_NUMBER)
{
if (_alt == 1)
{
if (ParseListeners != null)
{
TriggerExitRuleEvent();
}
_prevctx = _localctx;
{
State = 39;
ErrorHandler.Sync(this);
switch (Interpreter.AdaptivePredict(TokenStream, 2, Context))
{
case 1:
{
_localctx = new PlusContext(new PlusOrMinusContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_plusOrMinus);
State = 33;
if (!(Precpred(Context, 3)))
{
throw new FailedPredicateException(this, "Precpred(Context, 3)");
}
State = 34; Match(PLUS);
State = 35; multOrDiv(0);
}
break;
case 2:
{
_localctx = new MinusContext(new PlusOrMinusContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_plusOrMinus);
State = 36;
if (!(Precpred(Context, 2)))
{
throw new FailedPredicateException(this, "Precpred(Context, 2)");
}
State = 37; Match(MINUS);
State = 38; multOrDiv(0);
}
break;
}
}
}
State = 43;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 3, Context);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}
public MinusContext(PlusOrMinusContext context)
{
CopyFrom(context);
}
public ToMultOrDivContext(PlusOrMinusContext context)
{
CopyFrom(context);
}
public virtual void CopyFrom(PlusOrMinusContext context)
{
base.CopyFrom(context);
}