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 31 namespace v8 { 32 namespace internal { 33 34 // Decorator on a RegExpMacroAssembler that write all calls. 35 class 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
