| // Copyright (c) 2013, 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. |
| |
| part of _js_helper; |
| |
| /// Tells the optimizing compiler that the annotated method has no |
| /// side-effects. Allocations don't count as side-effects, since they can be |
| /// dropped without changing the semantics of the program. |
| /// |
| /// Requires @NoInline() to function correctly. |
| class NoSideEffects { |
| const NoSideEffects(); |
| } |
| |
| /// Tells the optimizing compiler that the annotated method cannot throw. |
| /// Requires @NoInline() to function correctly. |
| class NoThrows { |
| const NoThrows(); |
| } |
| |
| /// Tells the optimizing compiler to not inline the annotated method. |
| class NoInline { |
| const NoInline(); |
| } |
| |
| /// Tells the optimizing compiler to always inline the annotated method. |
| class ForceInline { |
| const ForceInline(); |
| } |
| |
| // Ensures that the annotated method is represented internally using |
| // IR nodes ([:value == true:]) or AST nodes ([:value == false:]). |
| class IrRepresentation { |
| final bool value; |
| const IrRepresentation(this.value); |
| } |
| |
| /// Marks a class as native and defines its JavaScript name(s). |
| class Native { |
| final String name; |
| const Native(this.name); |
| } |
| |
| class _Patch { |
| final String version; |
| |
| const _Patch(this.version); |
| } |
| |
| /// Annotation that marks the declaration as a patch. |
| const _Patch patch = const _Patch(null); |
| |
| /// Annotation that marks the declaration as a patch for the full emitter. |
| const _Patch patch_full = const _Patch('full'); |
| |
| /// Annotation that marks the declaration as a patch for the lazy emitter. |
| const _Patch patch_lazy = const _Patch('lazy'); |
| |
| /// Annotation that marks the declaration as a patch for the startup emitter. |
| const _Patch patch_startup = const _Patch('startup'); |