| Index: packages/smoke/lib/mirrors.dart
|
| diff --git a/packages/smoke/lib/mirrors.dart b/packages/smoke/lib/mirrors.dart
|
| deleted file mode 100644
|
| index ef018aa818b4362eb54c8b6e84baf4f710807dfc..0000000000000000000000000000000000000000
|
| --- a/packages/smoke/lib/mirrors.dart
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| +++ /dev/null
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| @@ -1,324 +0,0 @@
|
| -// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
|
| -// for details. All rights reserved. Use of this source code is governed by a
|
| -// BSD-style license that can be found in the LICENSE file.
|
| -
|
| -/// Implementation of the smoke services using mirrors.
|
| -library smoke.mirrors;
|
| -
|
| -import 'dart:mirrors';
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| -import 'package:smoke/smoke.dart';
|
| -import 'package:logging/logging.dart';
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| -import 'src/common.dart';
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| -
|
| -/// Set up the smoke package to use a mirror-based implementation. To tune what
|
| -/// is preserved by `dart:mirrors`, use a @MirrorsUsed annotation and include
|
| -/// 'smoke.mirrors' in your override arguments.
|
| -useMirrors() {
|
| - configure(new ReflectiveObjectAccessorService(),
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| - new ReflectiveTypeInspectorService(),
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| - new ReflectiveSymbolConverterService());
|
| -}
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| -
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| -var _logger = new Logger('smoke.mirrors');
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| -
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| -/// Implements [ObjectAccessorService] using mirrors.
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| -class ReflectiveObjectAccessorService implements ObjectAccessorService {
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| - read(Object object, Symbol name) => reflect(object).getField(name).reflectee;
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| -
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| - void write(Object object, Symbol name, value) {
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| - reflect(object).setField(name, value);
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| - }
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| -
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| - invoke(receiver, Symbol methodName, List args,
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| - {Map namedArgs, bool adjust: false}) {
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| - var receiverMirror;
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| - var method;
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| - if (receiver is Type && methodName != #toString) {
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| - receiverMirror = reflectType(receiver);
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| - method = receiverMirror.declarations[methodName];
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| - } else {
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| - receiverMirror = reflect(receiver);
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| - method = _findMethod(receiverMirror.type, methodName);
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| - }
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| - if (method != null && adjust) {
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| - var required = 0;
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| - var optional = 0;
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| - for (var p in method.parameters) {
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| - if (p.isOptional) {
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| - if (!p.isNamed) optional++;
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| - } else {
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| - required++;
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| - }
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| - }
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| - args = adjustList(args, required, required + optional);
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| - }
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| - return receiverMirror.invoke(methodName, args, namedArgs).reflectee;
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| - }
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| -}
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| -
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| -/// Implements [TypeInspectorService] using mirrors.
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| -class ReflectiveTypeInspectorService implements TypeInspectorService {
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| - bool isSubclassOf(Type type, Type supertype) {
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| - if (type == supertype || supertype == Object) return true;
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| - // TODO(sigmund): change to mirror.isSubclassOf when it gets implemented in
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| - // dart2js. (dartbug.com/12439)
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| - var mirror = reflectClass(type);
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| - var top = reflectClass(supertype);
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| - while (mirror != _objectType) {
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| - mirror = _safeSuperclass(mirror);
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| - if (mirror == top) return true;
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| - }
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| - return false;
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| - }
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| -
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| - bool hasGetter(Type type, Symbol name) {
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| - var mirror = reflectType(type);
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| - if (mirror is! ClassMirror) return false;
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| - while (mirror != _objectType) {
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| - final members = mirror.declarations;
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| - if (members.containsKey(name)) return true;
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| - mirror = _safeSuperclass(mirror);
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| - }
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| - return false;
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| - }
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| -
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| - bool hasSetter(Type type, Symbol name) {
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| - var mirror = reflectType(type);
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| - if (mirror is! ClassMirror) return false;
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| - var setterName = _setterName(name);
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| - while (mirror != _objectType) {
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| - final members = mirror.declarations;
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| - var declaration = members[name];
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| - if (declaration is VariableMirror && !declaration.isFinal) return true;
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| - if (members.containsKey(setterName)) return true;
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| - mirror = _safeSuperclass(mirror);
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| - }
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| - return false;
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| - }
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| -
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| - bool hasInstanceMethod(Type type, Symbol name) {
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| - var mirror = reflectType(type);
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| - if (mirror is! ClassMirror) return false;
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| - while (mirror != _objectType) {
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| - final m = mirror.declarations[name];
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| - if (m is MethodMirror && m.isRegularMethod && !m.isStatic) return true;
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| - mirror = _safeSuperclass(mirror);
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| - }
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| - return false;
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| - }
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| -
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| - bool hasStaticMethod(Type type, Symbol name) {
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| - var mirror = reflectType(type);
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| - if (mirror is! ClassMirror) return false;
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| - final m = mirror.declarations[name];
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| - return m is MethodMirror && m.isRegularMethod && m.isStatic;
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| - }
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| -
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| - Declaration getDeclaration(Type type, Symbol name) {
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| - var mirror = reflectType(type);
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| - if (mirror is! ClassMirror) return null;
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| -
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| - var declaration;
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| - while (mirror != _objectType) {
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| - final members = mirror.declarations;
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| - if (members.containsKey(name)) {
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| - declaration = members[name];
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| - break;
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| - }
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| - mirror = _safeSuperclass(mirror);
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| - }
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| - if (declaration == null) {
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| - _logger.severe("declaration doesn't exists ($type.$name).");
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| - return null;
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| - }
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| - return new _MirrorDeclaration(mirror, declaration);
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| - }
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| -
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| - List<Declaration> query(Type type, QueryOptions options) {
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| - var mirror = reflectType(type);
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| - if (mirror is! ClassMirror) return null;
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| - return _query(mirror, options);
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| - }
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| -
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| - List<Declaration> _query(ClassMirror cls, QueryOptions options) {
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| - final visitParent = options.includeInherited && cls.superclass != null &&
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| - // TODO(sigmund): use _toType(cls.superclass) != options.includeUpTo
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| - // when dartbug.com/16925 gets fixed (_toType fails in dart2js if
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| - // applied to classes with type-arguments).
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| - cls.superclass != reflectClass(options.includeUpTo);
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| - var result = visitParent ? _query(cls.superclass, options) : [];
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| - for (var member in cls.declarations.values) {
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| - if (member is! VariableMirror && member is! MethodMirror) continue;
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| - if (member.isStatic || member.isPrivate) continue;
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| - var name = member.simpleName;
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| - if (member is VariableMirror) {
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| - if (!options.includeFields) continue;
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| - if (options.excludeFinal && member.isFinal) continue;
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| - }
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| -
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| - // TODO(sigmund): what if we have a setter but no getter?
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| - if (member is MethodMirror && member.isSetter) continue;
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| - if (member is MethodMirror && member.isConstructor) continue;
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| -
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| - if (member is MethodMirror && member.isGetter) {
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| - if (!options.includeProperties) continue;
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| - if (options.excludeFinal && !_hasSetter(cls, member)) continue;
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| - }
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| -
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| - if (member is MethodMirror && member.isRegularMethod) {
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| - if (!options.includeMethods) continue;
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| - }
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| -
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| - if (options.matches != null && !options.matches(name)) continue;
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| -
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| - var annotations = member.metadata.map((m) => m.reflectee).toList();
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| - if (options.withAnnotations != null &&
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| - !matchesAnnotation(annotations, options.withAnnotations)) {
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| - continue;
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| - }
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| -
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| - var declaration = new _MirrorDeclaration(cls, member);
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| -
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| - if (options.excludeOverriden) {
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| - result.retainWhere((value) => declaration.name != value.name);
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| - }
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| -
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| - // TODO(sigmund): should we cache parts of this declaration so we don't
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| - // compute them twice? For example, this chould be `new Declaration(name,
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| - // type, ...)` and we could reuse what we computed above to implement the
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| - // query filtering. Note, when I tried to eagerly compute everything, I
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| - // run into trouble with type (`type = _toType(member.type)`), dart2js
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| - // failed when the underlying types had type-arguments (see
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| - // dartbug.com/16925).
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| - result.add(declaration);
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| - }
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| -
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| - return result;
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| - }
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| -}
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| -
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| -/// Implements [SymbolConverterService] using mirrors.
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| -class ReflectiveSymbolConverterService implements SymbolConverterService {
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| - String symbolToName(Symbol symbol) => MirrorSystem.getName(symbol);
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| - Symbol nameToSymbol(String name) => new Symbol(name);
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| -}
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| -
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| -// TODO(jmesserly): workaround for:
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| -// https://code.google.com/p/dart/issues/detail?id=10029
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| -Symbol _setterName(Symbol getter) =>
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| - new Symbol('${MirrorSystem.getName(getter)}=');
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| -
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| -ClassMirror _safeSuperclass(ClassMirror type) {
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| - try {
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| - var t = type.superclass;
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| - // TODO(sigmund): workaround for darbug.com/17779.
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| - // Interceptor is leaked by dart2js. It has the same methods as Object
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| - // (including noSuchMethod), and our code above assumes that it doesn't
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| - // exist. Most queries exclude Object, so they should exclude Interceptor
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| - // too. We don't check for t.simpleName == #Interceptor because depending on
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| - // dart2js optimizations it may be #Interceptor or #num/Interceptor.
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| - // Checking for a private library seems to reliably filter this out.
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| - if (t != null && t.owner != null && t.owner.isPrivate) {
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| - t = _objectType;
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| - }
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| - return t;
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| - } on UnsupportedError catch (_) {
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| - // Note: dart2js throws UnsupportedError when the type is not reflectable.
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| - return _objectType;
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| - }
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| -}
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| -
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| -MethodMirror _findMethod(ClassMirror type, Symbol name) {
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| - do {
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| - var member = type.declarations[name];
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| - if (member is MethodMirror) return member;
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| - type = type.superclass;
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| - } while (type != null);
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| - return null;
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| -}
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| -
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| -// When recursively looking for symbols up the type-hierarchy it's generally a
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| -// good idea to stop at Object, since we know it doesn't have what we want.
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| -// TODO(jmesserly): This is also a workaround for what appears to be a V8
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| -// bug introduced between Chrome 31 and 32. After 32
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| -// JsClassMirror.declarations on Object calls
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| -// JsClassMirror.typeVariables, which tries to get the _jsConstructor's
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| -// .prototype["<>"]. This ends up getting the "" property instead, maybe
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| -// because "<>" doesn't exist, and gets ";" which then blows up because
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| -// the code later on expects a List of ints.
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| -final _objectType = reflectClass(Object);
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| -
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| -bool _hasSetter(ClassMirror cls, MethodMirror getter) {
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| - var mirror = cls.declarations[_setterName(getter.simpleName)];
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| - return mirror is MethodMirror && mirror.isSetter;
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| -}
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| -
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| -Type _toType(TypeMirror t) {
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| - // TODO(sigmund): this line can go away after dartbug.com/16962
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| - if (t == _objectType) return Object;
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| - if (t is ClassMirror) return t.reflectedType;
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| - if (t == null || t.qualifiedName != #dynamic) {
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| - _logger.warning('unknown type ($t).');
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| - }
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| - return dynamic;
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| -}
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| -
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| -class _MirrorDeclaration implements Declaration {
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| - final ClassMirror _cls;
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| - final _original;
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| -
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| - _MirrorDeclaration(this._cls, DeclarationMirror this._original);
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| -
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| - Symbol get name => _original.simpleName;
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| -
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| - DeclarationKind get kind => isField ? FIELD : isProperty ? PROPERTY : METHOD;
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| -
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| - bool get isField => _original is VariableMirror;
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| -
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| - bool get isProperty =>
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| - _original is MethodMirror && !_original.isRegularMethod;
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| -
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| - bool get isMethod => !isField && !isProperty;
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| -
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| - /// If this is a property, whether it's read only (final fields or properties
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| - /// with no setter).
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| - bool get isFinal => (_original is VariableMirror && _original.isFinal) ||
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| - (_original is MethodMirror &&
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| - _original.isGetter &&
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| - !_hasSetter(_cls, _original));
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| -
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| - /// If this is a property, it's declared type (including dynamic if it's not
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| - /// declared). For methods, the returned type.
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| - Type get type {
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| - if (_original is MethodMirror && _original.isRegularMethod) {
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| - return Function;
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| - }
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| - var typeMirror =
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| - _original is VariableMirror ? _original.type : _original.returnType;
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| - return _toType(typeMirror);
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| - }
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| -
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| - /// Whether this symbol is static.
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| - bool get isStatic => _original.isStatic;
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| -
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| - /// List of annotations in this declaration.
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| - List get annotations => _original.metadata.map((a) => a.reflectee).toList();
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| -
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| - int get hashCode => name.hashCode;
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| - operator ==(other) => other is Declaration &&
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| - name == other.name &&
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| - kind == other.kind &&
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| - isFinal == other.isFinal &&
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| - type == other.type &&
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| - isStatic == other.isStatic &&
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| - compareLists(annotations, other.annotations);
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| - String toString() => (new StringBuffer()
|
| - ..write('(mirror-based-declaration ')
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| - ..write(name)
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| - ..write(
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| - isField ? ' (field) ' : (isProperty ? ' (property) ' : ' (method) '))
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| - ..write(isFinal ? 'final ' : '')
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| - ..write(isStatic ? 'static ' : '')
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| - ..write(annotations)
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| - ..write(')')).toString();
|
| -}
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|
|