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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 CheckGreedyLoop(Label* on_tos_equals_current_position);
53  virtual void CheckNotAtStart(Label* on_not_at_start);
54  virtual void CheckNotBackReference(int start_reg, Label* on_no_match);
55  virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
56                                               Label* on_no_match);
57  virtual void CheckNotCharacter(unsigned c, Label* on_not_equal);
58  virtual void CheckNotCharacterAfterAnd(unsigned c,
59                                         unsigned and_with,
60                                         Label* on_not_equal);
61  virtual void CheckNotCharacterAfterMinusAnd(uc16 c,
62                                              uc16 minus,
63                                              uc16 and_with,
64                                              Label* on_not_equal);
65  virtual void CheckCharacterInRange(uc16 from,
66                                     uc16 to,
67                                     Label* on_in_range);
68  virtual void CheckCharacterNotInRange(uc16 from,
69                                        uc16 to,
70                                        Label* on_not_in_range);
71  virtual void CheckBitInTable(Handle<ByteArray> table, Label* on_bit_set);
72  virtual bool CheckSpecialCharacterClass(uc16 type,
73                                          Label* on_no_match);
74  virtual void Fail();
75  virtual Handle<HeapObject> GetCode(Handle<String> source);
76  virtual void GoTo(Label* label);
77  virtual void IfRegisterGE(int reg, int comparand, Label* if_ge);
78  virtual void IfRegisterLT(int reg, int comparand, Label* if_lt);
79  virtual void IfRegisterEqPos(int reg, Label* if_eq);
80  virtual IrregexpImplementation Implementation();
81  virtual void LoadCurrentCharacter(int cp_offset,
82                                    Label* on_end_of_input,
83                                    bool check_bounds = true,
84                                    int characters = 1);
85  virtual void PopCurrentPosition();
86  virtual void PopRegister(int register_index);
87  virtual void PushBacktrack(Label* label);
88  virtual void PushCurrentPosition();
89  virtual void PushRegister(int register_index,
90                            StackCheckFlag check_stack_limit);
91  virtual void ReadCurrentPositionFromRegister(int reg);
92  virtual void ReadStackPointerFromRegister(int reg);
93  virtual void SetCurrentPositionFromEnd(int by);
94  virtual void SetRegister(int register_index, int to);
95  virtual bool Succeed();
96  virtual void WriteCurrentPositionToRegister(int reg, int cp_offset);
97  virtual void ClearRegisters(int reg_from, int reg_to);
98  virtual void WriteStackPointerToRegister(int reg);
99
100 private:
101  RegExpMacroAssembler* assembler_;
102};
103
104}}  // namespace v8::internal
105
106#endif  // V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
107