func()

in shardingsphere-operator/pkg/distsql/visitor_parser/shadow/rdlstatement_parser.go [2445:2514]

• 59 lines of code
• 8 McCabe index (conditional complexity)

func (p *RDLStatementParser) Literal() (localctx ILiteralContext) {
	localctx = NewLiteralContext(p, p.GetParserRuleContext(), p.GetState())
	p.EnterRule(localctx, 30, RDLStatementParserRULE_literal)
	var _la int

	defer func() {
		p.ExitRule()
	}()

	defer func() {
		if err := recover(); err != nil {
			if v, ok := err.(antlr.RecognitionException); ok {
				localctx.SetException(v)
				p.GetErrorHandler().ReportError(p, v)
				p.GetErrorHandler().Recover(p, v)
			} else {
				panic(err)
			}
		}
	}()

	p.SetState(175)
	p.GetErrorHandler().Sync(p)

	switch p.GetTokenStream().LA(1) {
	case RDLStatementParserSTRING_:
		p.EnterOuterAlt(localctx, 1)
		{
			p.SetState(168)
			p.Match(RDLStatementParserSTRING_)
		}

	case RDLStatementParserMINUS_, RDLStatementParserINT_:
		p.EnterOuterAlt(localctx, 2)
		p.SetState(170)
		p.GetErrorHandler().Sync(p)
		_la = p.GetTokenStream().LA(1)

		if _la == RDLStatementParserMINUS_ {
			{
				p.SetState(169)
				p.Match(RDLStatementParserMINUS_)
			}

		}
		{
			p.SetState(172)
			p.Match(RDLStatementParserINT_)
		}

	case RDLStatementParserTRUE:
		p.EnterOuterAlt(localctx, 3)
		{
			p.SetState(173)
			p.Match(RDLStatementParserTRUE)
		}

	case RDLStatementParserFALSE:
		p.EnterOuterAlt(localctx, 4)
		{
			p.SetState(174)
			p.Match(RDLStatementParserFALSE)
		}

	default:
		panic(antlr.NewNoViableAltException(p, nil, nil, nil, nil, nil))
	}

	return localctx
}