mirror of
https://github.com/dart-lang/sdk
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0023f99019
Change-Id: I7f8d6b110f2f0c90b131a2538240c1b81bfa1578 Reviewed-on: https://dart-review.googlesource.com/17162 Commit-Queue: Peter von der Ahé <ahe@google.com> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
93 lines
2.7 KiB
Dart
93 lines
2.7 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/// Note: the VM concatenates all patch files into a single patch file. This
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/// file is the first patch in "dart:_internal" which contains all the imports
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/// used by patches of that library. We plan to change this when we have a
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/// shared front end and simply use parts.
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import "dart:_internal" as internal;
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import "dart:_internal" show patch;
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import "dart:async" show Future;
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import "dart:collection" show UnmodifiableListView, UnmodifiableMapView;
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/// These are the additional parts of this patch library:
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// part "mirrors_impl.dart";
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// part "mirror_reference.dart";
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/**
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* Returns a [MirrorSystem] for the current isolate.
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*/
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@patch
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MirrorSystem currentMirrorSystem() {
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return _Mirrors.currentMirrorSystem();
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}
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/**
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* Returns an [InstanceMirror] for some Dart language object.
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*
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* This only works if this mirror system is associated with the
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* current running isolate.
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*/
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@patch
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InstanceMirror reflect(Object reflectee) {
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return _Mirrors.reflect(reflectee);
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}
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/**
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* Returns a [ClassMirror] for the class represented by a Dart
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* Type object.
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*
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* This only works with objects local to the current isolate.
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*/
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@patch
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ClassMirror reflectClass(Type key) {
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return _Mirrors.reflectClass(key);
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}
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@patch
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TypeMirror reflectType(Type key, [List<Type> typeArguments]) {
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return _Mirrors.reflectType(key, typeArguments);
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}
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@patch
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class MirrorSystem {
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@patch
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LibraryMirror findLibrary(Symbol libraryName) {
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var candidates =
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libraries.values.where((lib) => lib.simpleName == libraryName);
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if (candidates.length == 1) {
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return candidates.single;
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}
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if (candidates.length > 1) {
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var uris = candidates.map((lib) => lib.uri.toString()).toList();
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throw new Exception("There are multiple libraries named "
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"'${getName(libraryName)}': $uris");
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}
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throw new Exception("There is no library named '${getName(libraryName)}'");
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}
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@patch
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static String getName(Symbol symbol) {
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return internal.Symbol.computeUnmangledName(symbol);
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}
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@patch
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static Symbol getSymbol(String name, [LibraryMirror library]) {
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if ((library != null && library is! _LocalLibraryMirror) ||
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((name.length > 0) && (name[0] == '_') && (library == null))) {
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throw new ArgumentError(library);
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}
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if (library != null) {
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name = _mangleName(name, (library as _LocalLibraryMirror)._reflectee);
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}
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return new internal.Symbol.unvalidated(name);
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}
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static _mangleName(String name, _MirrorReference lib)
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native "Mirrors_mangleName";
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}
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