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package dotty.tools.dotc
package core
import Names._
/** Additional info associated with a name. At a minimum its kind and
* a way to turn it into a string.
*/
abstract class NameInfo extends util.DotClass {
def kind: NameInfo.Kind
def mkString(underlying: TermName): String
def contains(ch: Char): Boolean = false
def ++(other: String): NameInfo = unsupported("++")
}
object NameInfo {
type Kind = Int
val TermNameKind = 0
val QualifiedKind = 1
val ModuleClassKind = 2
def definesNewName(kind: Kind) = kind <= QualifiedKind
/** TermNames have the lowest possible kind */
val TermName = new NameInfo {
def kind = TermNameKind
def mkString(underlying: TermName) = underlying.toString // will cause an unsupported exception
}
case class Qualified(name: TermName, separator: String) extends NameInfo {
def kind = QualifiedKind
def mkString(underlying: TermName) = s"$underlying$separator$name"
override def contains(ch: Char): Boolean = name.contains(ch)
override def ++(other: String): NameInfo = Qualified(name ++ other, separator)
override def toString = s"Qualified($name, $separator)"
}
val ModuleClass = new NameInfo {
def kind = ModuleClassKind
def mkString(underlying: TermName) = underlying + "$"
override def toString = "ModuleClass"
}
}
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