private ExprContext expr()

in nlpcraft/src/main/scala/org/apache/nlpcraft/internal/makro/antlr4/NCMacroDslParser.java [162:211]

50 lines of code
7 McCabe index (conditional complexity)


	private ExprContext expr(int _p) throws RecognitionException {
		ParserRuleContext _parentctx = _ctx;
		int _parentState = getState();
		ExprContext _localctx = new ExprContext(_ctx, _parentState);
		ExprContext _prevctx = _localctx;
		int _startState = 2;
		enterRecursionRule(_localctx, 2, RULE_expr, _p);
		try {
			int _alt;
			enterOuterAlt(_localctx, 1);
			{
			{
			setState(20);
			item();
			}
			_ctx.stop = _input.LT(-1);
			setState(26);
			_errHandler.sync(this);
			_alt = getInterpreter().adaptivePredict(_input,0,_ctx);
			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
				if ( _alt==1 ) {
					if ( _parseListeners!=null ) triggerExitRuleEvent();
					_prevctx = _localctx;
					{
					{
					_localctx = new ExprContext(_parentctx, _parentState);
					pushNewRecursionContext(_localctx, _startState, RULE_expr);
					setState(22);
					if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
					setState(23);
					item();
					}
					} 
				}
				setState(28);
				_errHandler.sync(this);
				_alt = getInterpreter().adaptivePredict(_input,0,_ctx);
			}
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			unrollRecursionContexts(_parentctx);
		}
		return _localctx;
	}