19.2.2. ASL 名称和路径名项

// 支持的名称和路径字符

> LeadNameChar := > > > ‘A’-‘Z’ | ‘a’-‘z’ | ‘_’

> DigitChar := > > > ‘0’-‘9’

> NameChar := > > > DigitChar | LeadNameChar

> RootChar := > > > ‘'

> ParentPrefixChar := > > > ‘^’

> PathSeparatorChar := > > > ‘.’

> CommaChar := > > > ‘,’

> SemicolonDelimiter := > > > Nothing | ‘;’

// 名称和路径

> NameSeg := > > > <LeadNameChar> | > > <LeadNameChar NameChar> | > > <LeadNameChar NameChar NameChar> | > > <LeadNameChar NameChar NameChar NameChar>

> NameString := > > > <RootChar NamePath> | <ParentPrefixChar PrefixPath NamePath> | NonEmptyNamePath

> NamePath := > > > Nothing | <NameSeg NamePathTail>

> NamePathTail := > > > Nothing | <PathSeparatorChar NameSeg NamePathTail>

> NonEmptyNamePath := > > > NameSeg | <NameSeg NamePathTail>

> PrefixPath := > > > Nothing | <ParentPrefixChar PrefixPath>