private ShiftExprContext shiftExpr(int _p) {
ParserRuleContext _parentctx = _ctx;
int _parentState = State;
ShiftExprContext _localctx = new ShiftExprContext(_ctx, _parentState);
ShiftExprContext _prevctx = _localctx;
int _startState = 18;
EnterRecursionRule(_localctx, 18, RULE_shiftExpr, _p);
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
{
State = 167; _localctx._addExpr = addExpr(0);
_localctx.retValue = _localctx._addExpr.retValue;
}
_ctx.stop = _input.Lt(-1);
State = 182;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input,11,_ctx);
while ( _alt!=2 && _alt!=global::Antlr4.Runtime.Atn.ATN.InvalidAltNumber ) {
if ( _alt==1 ) {
if ( _parseListeners!=null ) TriggerExitRuleEvent();
_prevctx = _localctx;
{
State = 180;
switch ( Interpreter.AdaptivePredict(_input,10,_ctx) ) {
case 1:
{
_localctx = new ShiftExprContext(_parentctx, _parentState);
_localctx.first = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_shiftExpr);
State = 170;
if (!(Precpred(_ctx, 3))) throw new FailedPredicateException(this, "Precpred(_ctx, 3)");
State = 171; Match(T__25);
State = 172; _localctx._addExpr = addExpr(0);
_localctx.retValue = new BinaryExpression(BinaryExpressionType.LeftShift, _localctx.first.retValue, _localctx._addExpr.retValue);
}
break;
case 2:
{
_localctx = new ShiftExprContext(_parentctx, _parentState);
_localctx.first = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_shiftExpr);
State = 175;
if (!(Precpred(_ctx, 2))) throw new FailedPredicateException(this, "Precpred(_ctx, 2)");
State = 176; Match(T__26);
State = 177; _localctx._addExpr = addExpr(0);
_localctx.retValue = new BinaryExpression(BinaryExpressionType.RightShift, _localctx.first.retValue, _localctx._addExpr.retValue);
}
break;
}
}
}
State = 184;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input,11,_ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return _localctx;
}
private bool shiftExpr_sempred(ShiftExprContext _localctx, int predIndex) {
switch (predIndex) {
case 11: return Precpred(_ctx, 3);
case 12: return Precpred(_ctx, 2);
}
return true;
}
