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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 #ifndef VM_CODE_DESCRIPTORS_H_ | 5 #ifndef VM_CODE_DESCRIPTORS_H_ |
| 6 #define VM_CODE_DESCRIPTORS_H_ | 6 #define VM_CODE_DESCRIPTORS_H_ |
| 7 | 7 |
| 8 #include "vm/ast.h" | 8 #include "vm/ast.h" |
| 9 #include "vm/code_generator.h" | 9 #include "vm/code_generator.h" |
| 10 #include "vm/globals.h" | 10 #include "vm/globals.h" |
| 11 #include "vm/growable_array.h" | 11 #include "vm/growable_array.h" |
| 12 #include "vm/object.h" | 12 #include "vm/object.h" |
| 13 | 13 |
| 14 namespace dart { | 14 namespace dart { |
| 15 | 15 |
| 16 class DescriptorList : public ZoneAllocated { | 16 class DescriptorList : public ZoneAllocated { |
| 17 public: | 17 public: |
| 18 explicit DescriptorList(intptr_t initial_capacity) | 18 explicit DescriptorList(intptr_t initial_capacity) |
| 19 : encoded_data_(initial_capacity), | 19 : encoded_data_(initial_capacity), |
| 20 prev_pc_offset(0), | 20 prev_pc_offset(0), |
| 21 prev_deopt_id(0), | 21 prev_deopt_id(0), |
| 22 prev_token_pos(0) {} | 22 prev_token_pos(0) {} |
| 23 | 23 |
| 24 ~DescriptorList() { } | 24 ~DescriptorList() { } |
| 25 | 25 |
| 26 void AddDescriptor(RawPcDescriptors::Kind kind, | 26 void AddDescriptor(RawPcDescriptors::Kind kind, |
| 27 intptr_t pc_offset, | 27 intptr_t pc_offset, |
| 28 intptr_t deopt_id, | 28 intptr_t deopt_id, |
| 29 intptr_t token_pos, | 29 TokenDescriptor token_pos, |
| 30 intptr_t try_index); | 30 intptr_t try_index); |
| 31 | 31 |
| 32 RawPcDescriptors* FinalizePcDescriptors(uword entry_point); | 32 RawPcDescriptors* FinalizePcDescriptors(uword entry_point); |
| 33 | 33 |
| 34 private: | 34 private: |
| 35 GrowableArray<uint8_t> encoded_data_; | 35 GrowableArray<uint8_t> encoded_data_; |
| 36 | 36 |
| 37 intptr_t prev_pc_offset; | 37 intptr_t prev_pc_offset; |
| 38 intptr_t prev_deopt_id; | 38 intptr_t prev_deopt_id; |
| 39 intptr_t prev_token_pos; | 39 intptr_t prev_token_pos; |
| 40 | 40 |
| 41 DISALLOW_COPY_AND_ASSIGN(DescriptorList); | 41 DISALLOW_COPY_AND_ASSIGN(DescriptorList); |
| 42 }; | 42 }; |
| 43 | 43 |
| 44 | 44 |
| 45 class CodeSourceMapBuilder : public ZoneAllocated { | 45 class CodeSourceMapBuilder : public ZoneAllocated { |
| 46 public: | 46 public: |
| 47 explicit CodeSourceMapBuilder(intptr_t initial_capacity = 64) | 47 explicit CodeSourceMapBuilder(intptr_t initial_capacity = 64) |
| 48 : encoded_data_(initial_capacity), | 48 : encoded_data_(initial_capacity), |
| 49 prev_pc_offset(0), | 49 prev_pc_offset(0), |
| 50 prev_token_pos(0) {} | 50 prev_token_pos(0) {} |
| 51 | 51 |
| 52 ~CodeSourceMapBuilder() { } | 52 ~CodeSourceMapBuilder() { } |
| 53 | 53 |
| 54 void AddEntry(intptr_t pc_offset, intptr_t token_pos); | 54 void AddEntry(intptr_t pc_offset, TokenDescriptor token_pos); |
| 55 | 55 |
| 56 RawCodeSourceMap* Finalize(); | 56 RawCodeSourceMap* Finalize(); |
| 57 | 57 |
| 58 private: | 58 private: |
| 59 GrowableArray<uint8_t> encoded_data_; | 59 GrowableArray<uint8_t> encoded_data_; |
| 60 | 60 |
| 61 intptr_t prev_pc_offset; | 61 intptr_t prev_pc_offset; |
| 62 intptr_t prev_token_pos; | 62 intptr_t prev_token_pos; |
| 63 | 63 |
| 64 DISALLOW_COPY_AND_ASSIGN(CodeSourceMapBuilder); | 64 DISALLOW_COPY_AND_ASSIGN(CodeSourceMapBuilder); |
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| 159 RawExceptionHandlers* FinalizeExceptionHandlers(uword entry_point) const; | 159 RawExceptionHandlers* FinalizeExceptionHandlers(uword entry_point) const; |
| 160 | 160 |
| 161 private: | 161 private: |
| 162 GrowableArray<struct HandlerDesc> list_; | 162 GrowableArray<struct HandlerDesc> list_; |
| 163 DISALLOW_COPY_AND_ASSIGN(ExceptionHandlerList); | 163 DISALLOW_COPY_AND_ASSIGN(ExceptionHandlerList); |
| 164 }; | 164 }; |
| 165 | 165 |
| 166 } // namespace dart | 166 } // namespace dart |
| 167 | 167 |
| 168 #endif // VM_CODE_DESCRIPTORS_H_ | 168 #endif // VM_CODE_DESCRIPTORS_H_ |
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