Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1 | // Copyright 2016 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 TEST_CCTEST_INTERPRETER_SOURCE_POSITION_COMPARER_H_ |
| 6 | #define TEST_CCTEST_INTERPRETER_SOURCE_POSITION_COMPARER_H_ |
| 7 | |
| 8 | #include "src/interpreter/bytecode-array-iterator.h" |
| 9 | #include "src/interpreter/source-position-table.h" |
| 10 | #include "src/objects.h" |
| 11 | #include "src/v8.h" |
| 12 | |
| 13 | namespace v8 { |
| 14 | namespace internal { |
| 15 | namespace interpreter { |
| 16 | |
| 17 | class SourcePositionMatcher final { |
| 18 | public: |
| 19 | bool Match(Handle<BytecodeArray> original, Handle<BytecodeArray> optimized); |
| 20 | |
| 21 | private: |
| 22 | bool HasNewExpressionPositionsInOptimized( |
| 23 | const std::vector<PositionTableEntry>* const original_positions, |
| 24 | const std::vector<PositionTableEntry>* const optimized_positions); |
| 25 | |
| 26 | bool CompareExpressionPositions( |
| 27 | const std::vector<PositionTableEntry>* const original_positions, |
| 28 | const std::vector<PositionTableEntry>* const optimized_positions); |
| 29 | |
| 30 | void StripUnneededExpressionPositions( |
| 31 | Handle<BytecodeArray> bytecode_array, |
| 32 | std::vector<PositionTableEntry>* positions, |
| 33 | int next_statement_bytecode_offset); |
| 34 | |
| 35 | bool ExpressionPositionIsNeeded(Handle<BytecodeArray> bytecode_array, |
| 36 | int start_offset, int end_offset); |
| 37 | |
| 38 | void MoveToNextStatement( |
| 39 | SourcePositionTableIterator* iterator, |
| 40 | std::vector<PositionTableEntry>* expression_positions); |
| 41 | |
| 42 | void AdvanceBytecodeIterator(BytecodeArrayIterator* iterator, |
| 43 | int bytecode_offset); |
| 44 | }; |
| 45 | |
| 46 | } // namespace interpreter |
| 47 | } // namespace internal |
| 48 | } // namespace v8 |
| 49 | |
| 50 | #endif // TEST_CCTEST_INTERPRETER_SOURCE_POSITION_COMPARER_H_ |