1// Copyright 2008 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 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