1 // Copyright 2008 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_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_ 6 #define V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_ 7 8 #include "src/base/strings.h" 9 #include "src/regexp/regexp-macro-assembler.h" 10 11 namespace v8 { 12 namespace internal { 13 14 // Decorator on a RegExpMacroAssembler that write all calls. 15 class RegExpMacroAssemblerTracer: public RegExpMacroAssembler { 16 public: 17 RegExpMacroAssemblerTracer(Isolate* isolate, RegExpMacroAssembler* assembler); 18 ~RegExpMacroAssemblerTracer() override; 19 void AbortedCodeGeneration() override; 20 int stack_limit_slack() override { return assembler_->stack_limit_slack(); } 21 bool CanReadUnaligned() const override { 22 return assembler_->CanReadUnaligned(); 23 } 24 void AdvanceCurrentPosition(int by) override; // Signed cp change. 25 void AdvanceRegister(int reg, int by) override; // r[reg] += by. 26 void Backtrack() override; 27 void Bind(Label* label) override; 28 void CheckCharacter(unsigned c, Label* on_equal) override; 29 void CheckCharacterAfterAnd(unsigned c, unsigned and_with, 30 Label* on_equal) override; 31 void CheckCharacterGT(base::uc16 limit, Label* on_greater) override; 32 void CheckCharacterLT(base::uc16 limit, Label* on_less) override; 33 void CheckGreedyLoop(Label* on_tos_equals_current_position) override; 34 void CheckAtStart(int cp_offset, Label* on_at_start) override; 35 void CheckNotAtStart(int cp_offset, Label* on_not_at_start) override; 36 void CheckNotBackReference(int start_reg, bool read_backward, 37 Label* on_no_match) override; 38 void CheckNotBackReferenceIgnoreCase(int start_reg, bool read_backward, 39 bool unicode, 40 Label* on_no_match) override; 41 void CheckNotCharacter(unsigned c, Label* on_not_equal) override; 42 void CheckNotCharacterAfterAnd(unsigned c, unsigned and_with, 43 Label* on_not_equal) override; 44 void CheckNotCharacterAfterMinusAnd(base::uc16 c, base::uc16 minus, 45 base::uc16 and_with, 46 Label* on_not_equal) override; 47 void CheckCharacterInRange(base::uc16 from, base::uc16 to, 48 Label* on_in_range) override; 49 void CheckCharacterNotInRange(base::uc16 from, base::uc16 to, 50 Label* on_not_in_range) override; 51 bool CheckCharacterInRangeArray(const ZoneList<CharacterRange>* ranges, 52 Label* on_in_range) override; 53 bool CheckCharacterNotInRangeArray(const ZoneList<CharacterRange>* ranges, 54 Label* on_not_in_range) override; 55 void CheckBitInTable(Handle<ByteArray> table, Label* on_bit_set) override; 56 void CheckPosition(int cp_offset, Label* on_outside_input) override; 57 bool CheckSpecialCharacterClass(StandardCharacterSet type, 58 Label* on_no_match) override; 59 void Fail() override; 60 Handle<HeapObject> GetCode(Handle<String> source) override; 61 void GoTo(Label* label) override; 62 void IfRegisterGE(int reg, int comparand, Label* if_ge) override; 63 void IfRegisterLT(int reg, int comparand, Label* if_lt) override; 64 void IfRegisterEqPos(int reg, Label* if_eq) override; 65 IrregexpImplementation Implementation() override; 66 void LoadCurrentCharacterImpl(int cp_offset, Label* on_end_of_input, 67 bool check_bounds, int characters, 68 int eats_at_least) override; 69 void PopCurrentPosition() override; 70 void PopRegister(int register_index) override; 71 void PushBacktrack(Label* label) override; 72 void PushCurrentPosition() override; 73 void PushRegister(int register_index, 74 StackCheckFlag check_stack_limit) override; 75 void ReadCurrentPositionFromRegister(int reg) override; 76 void ReadStackPointerFromRegister(int reg) override; 77 void SetCurrentPositionFromEnd(int by) override; 78 void SetRegister(int register_index, int to) override; 79 bool Succeed() override; 80 void WriteCurrentPositionToRegister(int reg, int cp_offset) override; 81 void ClearRegisters(int reg_from, int reg_to) override; 82 void WriteStackPointerToRegister(int reg) override; 83 84 private: 85 RegExpMacroAssembler* assembler_; 86 }; 87 88 } // namespace internal 89 } // namespace v8 90 91 #endif // V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_ 92