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| 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_ |
| 6 #define V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_ |
| 7 |
| 8 #include "src/interpreter/bytecode-array-builder.h" |
| 9 |
| 10 #include "src/zone-containers.h" |
| 11 |
| 12 namespace v8 { |
| 13 namespace internal { |
| 14 namespace interpreter { |
| 15 |
| 16 class ControlFlowBuilder BASE_EMBEDDED { |
| 17 public: |
| 18 explicit ControlFlowBuilder(BytecodeArrayBuilder* builder) |
| 19 : builder_(builder) {} |
| 20 virtual ~ControlFlowBuilder() {} |
| 21 |
| 22 protected: |
| 23 BytecodeArrayBuilder* builder() const { return builder_; } |
| 24 |
| 25 private: |
| 26 BytecodeArrayBuilder* builder_; |
| 27 |
| 28 DISALLOW_COPY_AND_ASSIGN(ControlFlowBuilder); |
| 29 }; |
| 30 |
| 31 |
| 32 class LoopBuilder : public ControlFlowBuilder { |
| 33 public: |
| 34 explicit LoopBuilder(BytecodeArrayBuilder* builder) |
| 35 : ControlFlowBuilder(builder), |
| 36 continue_labels_(builder->zone()), |
| 37 break_labels_(builder->zone()) {} |
| 38 ~LoopBuilder(); |
| 39 |
| 40 BytecodeLabel* continue_label() { return &continue_label_; } |
| 41 BytecodeLabel* break_label() { return &break_label_; } |
| 42 |
| 43 void Break(); |
| 44 void Continue(); |
| 45 |
| 46 private: |
| 47 void BindLabels(BytecodeLabel* target, ZoneVector<BytecodeLabel>* labels); |
| 48 |
| 49 BytecodeLabel continue_label_; |
| 50 BytecodeLabel break_label_; |
| 51 |
| 52 ZoneVector<BytecodeLabel> continue_labels_; |
| 53 ZoneVector<BytecodeLabel> break_labels_; |
| 54 }; |
| 55 |
| 56 } // namespace interpreter |
| 57 } // namespace internal |
| 58 } // namespace v8 |
| 59 |
| 60 #endif // V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_ |
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