func()

in shardingsphere-operator/pkg/distsql/visitor_parser/sharding/rdlstatement_parser.go [2123:2192]

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

func (p *RDLStatementParser) DropShardingAlgorithm() (localctx IDropShardingAlgorithmContext) {
	localctx = NewDropShardingAlgorithmContext(p, p.GetParserRuleContext(), p.GetState())
	p.EnterRule(localctx, 16, RDLStatementParserRULE_dropShardingAlgorithm)
	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(227)
		p.Match(RDLStatementParserDROP)
	}
	{
		p.SetState(228)
		p.Match(RDLStatementParserSHARDING)
	}
	{
		p.SetState(229)
		p.Match(RDLStatementParserALGORITHM)
	}
	p.SetState(231)
	p.GetErrorHandler().Sync(p)
	_la = p.GetTokenStream().LA(1)

	if _la == RDLStatementParserIF {
		{
			p.SetState(230)
			p.IfExists()
		}

	}
	{
		p.SetState(233)
		p.ShardingAlgorithmName()
	}
	p.SetState(238)
	p.GetErrorHandler().Sync(p)
	_la = p.GetTokenStream().LA(1)

	for _la == RDLStatementParserCOMMA_ {
		{
			p.SetState(234)
			p.Match(RDLStatementParserCOMMA_)
		}
		{
			p.SetState(235)
			p.ShardingAlgorithmName()
		}

		p.SetState(240)
		p.GetErrorHandler().Sync(p)
		_la = p.GetTokenStream().LA(1)
	}

	return localctx
}