pkg/compiler/lib/src/kernel/dart2js_target.dart

// Copyright (c) 2017, 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.

library compiler.src.kernel.dart2js_target;

import 'package:kernel/kernel.dart';
import 'package:kernel/core_types.dart';
import 'package:kernel/class_hierarchy.dart';
import 'package:kernel/target/targets.dart';

import '../native/native.dart' show maybeEnableNative;

/// A kernel [Target] to configure the Dart Front End for dart2js.
class Dart2jsTarget extends Target {
  final TargetFlags flags;
  final String name;

  Dart2jsTarget(this.name, this.flags);

  bool get strongMode => flags.strongMode;

  List<String> get extraRequiredLibraries => _requiredLibraries[name];

  @override
  bool mayDefineRestrictedType(Uri uri) =>
      uri.scheme == 'dart' &&
      (uri.path == 'core' || uri.path == '_interceptors');

  @override
  bool allowPlatformPrivateLibraryAccess(Uri importer, Uri imported) =>
      super.allowPlatformPrivateLibraryAccess(importer, imported) ||
      maybeEnableNative(importer);

  @override
  bool enableNative(Uri uri) => maybeEnableNative(uri);

  @override
  bool get nativeExtensionExpectsString => false;

  @override
  void performModularTransformationsOnLibraries(
      CoreTypes coreTypes, ClassHierarchy hierarchy, List<Library> libraries,
      {void logger(String msg)}) {}

  @override
  void performGlobalTransformations(CoreTypes coreTypes, Component component,
      {void logger(String msg)}) {}

  @override
  Expression instantiateInvocation(CoreTypes coreTypes, Expression receiver,
      String name, Arguments arguments, int offset, bool isSuper) {
    // TODO(sigmund): implement;
    return new InvalidExpression(null);
  }

  @override
  Expression instantiateNoSuchMethodError(CoreTypes coreTypes,
      Expression receiver, String name, Arguments arguments, int offset,
      {bool isMethod: false,
      bool isGetter: false,
      bool isSetter: false,
      bool isField: false,
      bool isLocalVariable: false,
      bool isDynamic: false,
      bool isSuper: false,
      bool isStatic: false,
      bool isConstructor: false,
      bool isTopLevel: false}) {
    // TODO(sigmund): implement;
    return new InvalidExpression(null);
  }
}

// TODO(sigmund): this "extraRequiredLibraries" needs to be removed...
// compile-platform should just specify which libraries to compile instead.
const _requiredLibraries = const <String, List<String>>{
  'dart2js': const <String>[
    'dart:_chrome',
    'dart:_foreign_helper',
    'dart:_interceptors',
    'dart:_internal',
    'dart:_js_embedded_names',
    'dart:_js_helper',
    'dart:_js_names',
    'dart:_native_typed_data',
    'dart:async',
    'dart:collection',
    'dart:html',
    'dart:html_common',
    'dart:indexed_db',
    'dart:io',
    'dart:js',
    'dart:js_util',
    'dart:mirrors',
    'dart:svg',
    'dart:web_audio',
    'dart:web_gl',
    'dart:web_sql',
  ],
  'dart2js_server': const <String>[
    'dart:_foreign_helper',
    'dart:_interceptors',
    'dart:_internal',
    'dart:_js_embedded_names',
    'dart:_js_helper',
    'dart:_js_names',
    'dart:_native_typed_data',
    'dart:async',
    'dart:collection',
    'dart:io',
    'dart:js',
    'dart:js_util',
    'dart:mirrors',
  ]
};