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27
28#ifndef V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
29#define V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
30
31namespace v8 {
32namespace internal {
33
34// Decorator on a RegExpMacroAssembler that write all calls.
35class RegExpMacroAssemblerTracer: public RegExpMacroAssembler {
36 public:
37  explicit RegExpMacroAssemblerTracer(RegExpMacroAssembler* assembler);
38  virtual ~RegExpMacroAssemblerTracer();
39  virtual int stack_limit_slack() { return assembler_->stack_limit_slack(); }
40  virtual bool CanReadUnaligned() { return assembler_->CanReadUnaligned(); }
41  virtual void AdvanceCurrentPosition(int by);  // Signed cp change.
42  virtual void AdvanceRegister(int reg, int by);  // r[reg] += by.
43  virtual void Backtrack();
44  virtual void Bind(Label* label);
45  virtual void CheckAtStart(Label* on_at_start);
46  virtual void CheckCharacter(unsigned c, Label* on_equal);
47  virtual void CheckCharacterAfterAnd(unsigned c,
48                                      unsigned and_with,
49                                      Label* on_equal);
50  virtual void CheckCharacterGT(uc16 limit, Label* on_greater);
51  virtual void CheckCharacterLT(uc16 limit, Label* on_less);
52  virtual void CheckCharacters(
53      Vector<const uc16> str,
54      int cp_offset,
55      Label* on_failure,
56      bool check_end_of_string);
57  virtual void CheckGreedyLoop(Label* on_tos_equals_current_position);
58  virtual void CheckNotAtStart(Label* on_not_at_start);
59  virtual void CheckNotBackReference(int start_reg, Label* on_no_match);
60  virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
61                                               Label* on_no_match);
62  virtual void CheckNotRegistersEqual(int reg1, int reg2, Label* on_not_equal);
63  virtual void CheckNotCharacter(unsigned c, Label* on_not_equal);
64  virtual void CheckNotCharacterAfterAnd(unsigned c,
65                                         unsigned and_with,
66                                         Label* on_not_equal);
67  virtual void CheckNotCharacterAfterMinusAnd(uc16 c,
68                                              uc16 minus,
69                                              uc16 and_with,
70                                              Label* on_not_equal);
71  virtual bool CheckSpecialCharacterClass(uc16 type,
72                                          Label* on_no_match);
73  virtual void Fail();
74  virtual Handle<HeapObject> GetCode(Handle<String> source);
75  virtual void GoTo(Label* label);
76  virtual void IfRegisterGE(int reg, int comparand, Label* if_ge);
77  virtual void IfRegisterLT(int reg, int comparand, Label* if_lt);
78  virtual void IfRegisterEqPos(int reg, Label* if_eq);
79  virtual IrregexpImplementation Implementation();
80  virtual void LoadCurrentCharacter(int cp_offset,
81                                    Label* on_end_of_input,
82                                    bool check_bounds = true,
83                                    int characters = 1);
84  virtual void PopCurrentPosition();
85  virtual void PopRegister(int register_index);
86  virtual void PushBacktrack(Label* label);
87  virtual void PushCurrentPosition();
88  virtual void PushRegister(int register_index,
89                            StackCheckFlag check_stack_limit);
90  virtual void ReadCurrentPositionFromRegister(int reg);
91  virtual void ReadStackPointerFromRegister(int reg);
92  virtual void SetCurrentPositionFromEnd(int by);
93  virtual void SetRegister(int register_index, int to);
94  virtual void Succeed();
95  virtual void WriteCurrentPositionToRegister(int reg, int cp_offset);
96  virtual void ClearRegisters(int reg_from, int reg_to);
97  virtual void WriteStackPointerToRegister(int reg);
98
99 private:
100  RegExpMacroAssembler* assembler_;
101};
102
103}}  // namespace v8::internal
104
105#endif  // V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
106