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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 ssa.tracer; | 5 library ssa.tracer; |
6 | 6 |
7 import 'dart:async' show EventSink; | 7 import 'dart:async' show EventSink; |
8 | 8 |
9 import 'ssa.dart'; | 9 import 'ssa.dart'; |
| 10 import '../compiler.dart' show Compiler; |
| 11 import '../diagnostics/invariant.dart' show DEBUG_MODE; |
10 import '../js_backend/js_backend.dart'; | 12 import '../js_backend/js_backend.dart'; |
11 import '../dart2jslib.dart'; | |
12 import '../tracer.dart'; | 13 import '../tracer.dart'; |
13 | 14 |
14 /** | 15 /** |
15 * Outputs SSA code in a format readable by Hydra IR. | 16 * Outputs SSA code in a format readable by Hydra IR. |
16 * Tracing is disabled by default, see ../tracer.dart for how | 17 * Tracing is disabled by default, see ../tracer.dart for how |
17 * to enable it. | 18 * to enable it. |
18 */ | 19 */ |
19 class HTracer extends HGraphVisitor with TracerUtil { | 20 class HTracer extends HGraphVisitor with TracerUtil { |
20 Compiler compiler; | 21 Compiler compiler; |
21 JavaScriptItemCompilationContext context; | 22 JavaScriptItemCompilationContext context; |
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527 } | 528 } |
528 | 529 |
529 String visitAwait(HAwait node) { | 530 String visitAwait(HAwait node) { |
530 return "await ${temporaryId(node.inputs[0])}"; | 531 return "await ${temporaryId(node.inputs[0])}"; |
531 } | 532 } |
532 | 533 |
533 String visitYield(HYield node) { | 534 String visitYield(HYield node) { |
534 return "yield${node.hasStar ? "*" : ""} ${temporaryId(node.inputs[0])}"; | 535 return "yield${node.hasStar ? "*" : ""} ${temporaryId(node.inputs[0])}"; |
535 } | 536 } |
536 } | 537 } |
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