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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.reflect
import Predef._
/** This type is required by the compiler and <b>should not be used in client code</b>. */
abstract class Symbol {
val owner: Symbol
val name: String
val tpe: Type
}
/** This type is required by the compiler and <b>should not be used in client code</b>. */
abstract class GlobalSymbol(val fullname: String) extends Symbol {
private val pointIndex = fullname.lastIndexOf(".")
val owner: Symbol =
if (pointIndex < 0) RootSymbol
else Class(fullname.substring(0, pointIndex))
val name: String =
if (pointIndex < 0) fullname
else fullname.substring(pointIndex+1, fullname.length())
}
/** This type is required by the compiler and <b>should not be used in client code</b>. */
abstract class LocalSymbol extends Symbol
/** This type is required by the compiler and <b>should not be used in client code</b>. */
case class Class(override val fullname: String) extends GlobalSymbol(fullname) {
val tpe = NamedType(fullname)
}
/** This type is required by the compiler and <b>should not be used in client code</b>. */
case class Method(override val fullname: String, tpe: Type) extends GlobalSymbol(fullname)
/** This type is required by the compiler and <b>should not be used in client code</b>. */
case class Field(override val fullname: String, tpe: Type) extends GlobalSymbol(fullname)
/** This type is required by the compiler and <b>should not be used in client code</b>. */
case class TypeField(override val fullname: String, tpe: Type) extends GlobalSymbol(fullname)
/** This type is required by the compiler and <b>should not be used in client code</b>. */case class LocalValue(owner: Symbol, name: String, tpe: Type) extends LocalSymbol
/** This type is required by the compiler and <b>should not be used in client code</b>. */
case class LocalMethod(owner: Symbol, name: String, tpe: Type) extends LocalSymbol
/** This type is required by the compiler and <b>should not be used in client code</b>. */
case object NoSymbol extends Symbol {
val owner = null
val name = null
val tpe = NoType
}
/** This type is required by the compiler and <b>should not be used in client code</b>. */
case object RootSymbol extends Symbol {
val owner = NoSymbol
val name = "<root>"
val tpe = NoPrefix
}
/** This type is required by the compiler and <b>should not be used in client code</b>. */
case class LabelSymbol(val name: String) extends Symbol {
val owner = NoSymbol
val tpe = NamedType("scala.Unit")
}
/* Standard pattern match:
case reflect.Class(fullname) =>
case reflect.Method(fullname, tpe) =>
case reflect.Field(fullname, tpe) =>
case reflect.TypeField(fullname, tpe) =>
case reflect.LocalValue(owner, name, tpe) =>
case reflect.LocalMethod(owner, name, tpe) =>
case reflect.NoSymbol =>
case reflect.RootSymbol =>
case reflect.LabelSymbol(name) =>
*/
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