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