func()

in shardingsphere-operator/pkg/distsql/visitor_parser/sharding/rdlstatement_parser.go [2862:2935]

• 66 lines of code
• 5 McCabe index (conditional complexity)

func (p *RDLStatementParser) DropShardingKeyGenerator() (localctx IDropShardingKeyGeneratorContext) {
	localctx = NewDropShardingKeyGeneratorContext(p, p.GetParserRuleContext(), p.GetState())
	p.EnterRule(localctx, 24, RDLStatementParserRULE_dropShardingKeyGenerator)
	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.EnterOuterAlt(localctx, 1)
	{
		p.SetState(270)
		p.Match(RDLStatementParserDROP)
	}
	{
		p.SetState(271)
		p.Match(RDLStatementParserSHARDING)
	}
	{
		p.SetState(272)
		p.Match(RDLStatementParserKEY)
	}
	{
		p.SetState(273)
		p.Match(RDLStatementParserGENERATOR)
	}
	p.SetState(275)
	p.GetErrorHandler().Sync(p)
	_la = p.GetTokenStream().LA(1)

	if _la == RDLStatementParserIF {
		{
			p.SetState(274)
			p.IfExists()
		}

	}
	{
		p.SetState(277)
		p.KeyGeneratorName()
	}
	p.SetState(282)
	p.GetErrorHandler().Sync(p)
	_la = p.GetTokenStream().LA(1)

	for _la == RDLStatementParserCOMMA_ {
		{
			p.SetState(278)
			p.Match(RDLStatementParserCOMMA_)
		}
		{
			p.SetState(279)
			p.KeyGeneratorName()
		}

		p.SetState(284)
		p.GetErrorHandler().Sync(p)
		_la = p.GetTokenStream().LA(1)
	}

	return localctx
}