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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library dev_compiler.src.codegen.js_metalet; | |
6 | |
7 // TODO(jmesserly): import from its own package | 5 // TODO(jmesserly): import from its own package |
8 import '../js/js_ast.dart'; | 6 import '../js/js_ast.dart'; |
9 import '../js/precedence.dart'; | 7 import '../js/precedence.dart'; |
10 | 8 |
11 import 'js_names.dart' show TemporaryId; | 9 import 'js_names.dart' show TemporaryId; |
12 | 10 |
13 /// A synthetic `let*` node, similar to that found in Scheme. | 11 /// A synthetic `let*` node, similar to that found in Scheme. |
14 /// | 12 /// |
15 /// For example, postfix increment can be desugared as: | 13 /// For example, postfix increment can be desugared as: |
16 /// | 14 /// |
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312 } | 310 } |
313 | 311 |
314 @override visitYield(Yield node) { | 312 @override visitYield(Yield node) { |
315 if (!_nestedFunction) hasYield = true; | 313 if (!_nestedFunction) hasYield = true; |
316 } | 314 } |
317 | 315 |
318 @override visitNode(Node node) { | 316 @override visitNode(Node node) { |
319 if (!hasYield) super.visitNode(node); | 317 if (!hasYield) super.visitNode(node); |
320 } | 318 } |
321 } | 319 } |
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