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Diffstat (limited to 'src/library/scala/reflect/api/Mirror.scala')
| -rw-r--r-- | src/library/scala/reflect/api/Mirror.scala | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/library/scala/reflect/api/Mirror.scala b/src/library/scala/reflect/api/Mirror.scala deleted file mode 100644 index ed8ead7aaf..0000000000 --- a/src/library/scala/reflect/api/Mirror.scala +++ /dev/null @@ -1,100 +0,0 @@ -package scala.reflect -package api - -/** A mirror establishes connections of - * runtime entities such as class names and object instances - * with a reflexive universe. - */ -trait Mirror extends Universe { - - /** Class loader that is a mastermind behind the reflexive mirror. - * - * By default it is set to system classloader (more precisely, to the classloader that loads the `scala.reflect.package` class). - * However, sometimes it is useful to have a mirror services by a custom classloader. - * - * There are two ways to customize the `classLoader`: - * 1) Create a new mirror using the `scala.reflect.mkMirror(classLoader: ClassLoader)` method - * 2) Set `classLoader` to the new value - * - * The first, immutable, way should be strongly preferred in most situation. - * However sometimes it is necessary to migrate the default reflexive mirror (`scala.reflect.mirror`) to a new classloader. - * In that and only that case, use the setter, but be very careful not to introduce inconsistencies. - */ - var classLoader: ClassLoader - - /** The Scala class symbol that has given fully qualified name - * @param name The fully qualified name of the class to be returned - * @throws java.lang.ClassNotFoundException if no class with that name exists - * to do: throws anything else? - */ - def symbolForName(name: String): Symbol - - /** Return a reference to the companion object of the given class symbol. - */ - def companionInstance(clazz: Symbol): AnyRef - - /** The Scala class symbol corresponding to the runtime class of the given instance. - * @param instance The instance - * @return The class Symbol for the instance - * @throws ? - */ - def symbolOfInstance(instance: Any): Symbol - - /** The Scala type corresponding to the runtime type of given instance. - * If the underlying class is parameterized, this will be an existential type, - * with unknown type arguments. - * - * @param instance The instance. - * @return The Type of the given instance. - * @throws ? - */ - def typeOfInstance(instance: Any): Type - - /** The value of a field on a receiver instance. - * @param receiver The receiver instance - * @param field The field - * @return The value contained in `receiver.field`. - */ - def getValueOfField(receiver: AnyRef, field: Symbol): Any - - /** Sets the value of a field on a receiver instance. - * @param receiver The receiver instance - * @param field The field - * @param value The new value to be stored in the field. - */ - def setValueOfField(receiver: AnyRef, field: Symbol, value: Any): Unit - - /** Invokes a method on a receiver instance with some arguments - * @param receiver The receiver instance - * @param meth The method - * @param args The method call's arguments - * @return The result of invoking `receiver.meth(args)` - */ - def invoke(receiver: AnyRef, meth: Symbol)(args: Any*): Any - - /** Maps a Java class to a Scala type reference - * @param clazz The Java class object - * @return A type (of kind `TypeRef`, or `ExistentialType` if `clazz` is polymorphic) - * that represents the class with all type parameters unknown - * (i.e. any type parameters of `clazz` are existentially quantified). - * */ - def classToType(clazz: java.lang.Class[_]): Type - - /** Maps a Java class to a Scala class symbol - * @param clazz The Java class object - * @return A symbol that represents the Scala view of the class. - */ - def classToSymbol(clazz: java.lang.Class[_]): Symbol - - /** Maps a Scala type to the corresponding Java class object - */ - def typeToClass(tpe: Type): java.lang.Class[_] - - /** Maps a Scala symbol to the corresponding Java class object - * @throws ClassNotFoundException if there is no Java class - * corresponding to the given Scala symbol. - * Note: If the Scala symbol is ArrayClass, a ClassNotFound exception is thrown - * because there is no unique Java class corresponding to a Scala generic array - */ - def symbolToClass(sym: Symbol): java.lang.Class[_] -} |