1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
// Copyright 2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
#define V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
namespace v8 {
namespace internal {
// Decorator on a RegExpMacroAssembler that write all calls.
class RegExpMacroAssemblerTracer: public RegExpMacroAssembler {
public:
explicit RegExpMacroAssemblerTracer(RegExpMacroAssembler* assembler);
virtual ~RegExpMacroAssemblerTracer();
virtual int stack_limit_slack() { return assembler_->stack_limit_slack(); }
virtual bool CanReadUnaligned() { return assembler_->CanReadUnaligned(); }
virtual void AdvanceCurrentPosition(int by); // Signed cp change.
virtual void AdvanceRegister(int reg, int by); // r[reg] += by.
virtual void Backtrack();
virtual void Bind(Label* label);
virtual void CheckAtStart(Label* on_at_start);
virtual void CheckCharacter(unsigned c, Label* on_equal);
virtual void CheckCharacterAfterAnd(unsigned c,
unsigned and_with,
Label* on_equal);
virtual void CheckCharacterGT(uc16 limit, Label* on_greater);
virtual void CheckCharacterLT(uc16 limit, Label* on_less);
virtual void CheckCharacters(
Vector<const uc16> str,
int cp_offset,
Label* on_failure,
bool check_end_of_string);
virtual void CheckGreedyLoop(Label* on_tos_equals_current_position);
virtual void CheckNotAtStart(Label* on_not_at_start);
virtual void CheckNotBackReference(int start_reg, Label* on_no_match);
virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
Label* on_no_match);
virtual void CheckNotCharacter(unsigned c, Label* on_not_equal);
virtual void CheckNotCharacterAfterAnd(unsigned c,
unsigned and_with,
Label* on_not_equal);
virtual void CheckNotCharacterAfterMinusAnd(uc16 c,
uc16 minus,
uc16 and_with,
Label* on_not_equal);
virtual void CheckCharacterInRange(uc16 from,
uc16 to,
Label* on_in_range);
virtual void CheckCharacterNotInRange(uc16 from,
uc16 to,
Label* on_not_in_range);
virtual void CheckBitInTable(Handle<ByteArray> table, Label* on_bit_set);
virtual bool CheckSpecialCharacterClass(uc16 type,
Label* on_no_match);
virtual void Fail();
virtual Handle<HeapObject> GetCode(Handle<String> source);
virtual void GoTo(Label* label);
virtual void IfRegisterGE(int reg, int comparand, Label* if_ge);
virtual void IfRegisterLT(int reg, int comparand, Label* if_lt);
virtual void IfRegisterEqPos(int reg, Label* if_eq);
virtual IrregexpImplementation Implementation();
virtual void LoadCurrentCharacter(int cp_offset,
Label* on_end_of_input,
bool check_bounds = true,
int characters = 1);
virtual void PopCurrentPosition();
virtual void PopRegister(int register_index);
virtual void PushBacktrack(Label* label);
virtual void PushCurrentPosition();
virtual void PushRegister(int register_index,
StackCheckFlag check_stack_limit);
virtual void ReadCurrentPositionFromRegister(int reg);
virtual void ReadStackPointerFromRegister(int reg);
virtual void SetCurrentPositionFromEnd(int by);
virtual void SetRegister(int register_index, int to);
virtual bool Succeed();
virtual void WriteCurrentPositionToRegister(int reg, int cp_offset);
virtual void ClearRegisters(int reg_from, int reg_to);
virtual void WriteStackPointerToRegister(int reg);
private:
RegExpMacroAssembler* assembler_;
};
}} // namespace v8::internal
#endif // V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
|