| // 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 dart2js.backend_strategy; |
| |
| import 'enqueue.dart'; |
| import 'io/source_information.dart'; |
| import 'js_backend/js_backend.dart'; |
| import 'js_backend/native_data.dart'; |
| import 'js_emitter/sorter.dart'; |
| import 'ssa/ssa.dart'; |
| import 'universe/world_builder.dart'; |
| import 'world.dart'; |
| |
| /// Strategy pattern that defines the element model used in type inference |
| /// and code generation. |
| abstract class BackendStrategy { |
| /// Create the [ClosedWorldRefiner] for [closedWorld]. |
| ClosedWorldRefiner createClosedWorldRefiner(ClosedWorld closedWorld); |
| |
| /// Create closure classes for local functions. |
| void convertClosures(ClosedWorldRefiner closedWorldRefiner); |
| |
| /// The [Sorter] used for sorting elements in the generated code. |
| Sorter get sorter; |
| |
| /// Creates the [CodegenWorldBuilder] used by the codegen enqueuer. |
| CodegenWorldBuilder createCodegenWorldBuilder( |
| NativeBasicData nativeBasicData, |
| ClosedWorld closedWorld, |
| SelectorConstraintsStrategy selectorConstraintsStrategy); |
| |
| /// Creates the [WorkItemBuilder] used by the codegen enqueuer. |
| WorkItemBuilder createCodegenWorkItemBuilder(ClosedWorld closedWorld); |
| |
| /// Creates the [SsaBuilderTask] used for the element model. |
| SsaBuilderTask createSsaBuilderTask(JavaScriptBackend backend, |
| SourceInformationStrategy sourceInformationStrategy); |
| } |