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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_DEOPTIMIZER_H_ | 5 #ifndef V8_DEOPTIMIZER_H_ |
6 #define V8_DEOPTIMIZER_H_ | 6 #define V8_DEOPTIMIZER_H_ |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/allocation.h" | 10 #include "src/allocation.h" |
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88 | 88 |
89 | 89 |
90 class Deoptimizer : public Malloced { | 90 class Deoptimizer : public Malloced { |
91 public: | 91 public: |
92 enum BailoutType { | 92 enum BailoutType { |
93 EAGER, | 93 EAGER, |
94 LAZY, | 94 LAZY, |
95 SOFT, | 95 SOFT, |
96 // This last bailout type is not really a bailout, but used by the | 96 // This last bailout type is not really a bailout, but used by the |
97 // debugger to deoptimize stack frames to allow inspection. | 97 // debugger to deoptimize stack frames to allow inspection. |
98 DEBUGGER | 98 DEBUGGER, |
| 99 kBailoutTypesWithCodeEntry = SOFT + 1 |
99 }; | 100 }; |
100 | 101 |
101 static const int kBailoutTypesWithCodeEntry = SOFT + 1; | |
102 | |
103 struct Reason { | 102 struct Reason { |
104 Reason(int r, const char* m, const char* d) | 103 Reason(int r, const char* m, const char* d) |
105 : raw_position(r), mnemonic(m), detail(d) {} | 104 : raw_position(r), mnemonic(m), detail(d) {} |
106 | 105 |
107 bool operator==(const Reason& other) const { | 106 bool operator==(const Reason& other) const { |
108 return raw_position == other.raw_position && | 107 return raw_position == other.raw_position && |
109 CStringEquals(mnemonic, other.mnemonic) && | 108 CStringEquals(mnemonic, other.mnemonic) && |
110 CStringEquals(detail, other.detail); | 109 CStringEquals(detail, other.detail); |
111 } | 110 } |
112 | 111 |
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980 Object** parameters_; | 979 Object** parameters_; |
981 Object** expression_stack_; | 980 Object** expression_stack_; |
982 int source_position_; | 981 int source_position_; |
983 | 982 |
984 friend class Deoptimizer; | 983 friend class Deoptimizer; |
985 }; | 984 }; |
986 | 985 |
987 } } // namespace v8::internal | 986 } } // namespace v8::internal |
988 | 987 |
989 #endif // V8_DEOPTIMIZER_H_ | 988 #endif // V8_DEOPTIMIZER_H_ |
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