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_MACRO_ASSEMBLER_TRACER_H_ 6 #define V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_ 7 8 namespace v8 { 9 namespace internal { 10 11 // Decorator on a RegExpMacroAssembler that write all calls. 12 class RegExpMacroAssemblerTracer: public RegExpMacroAssembler { 13 public: 14 explicit RegExpMacroAssemblerTracer(RegExpMacroAssembler* assembler); 15 virtual ~RegExpMacroAssemblerTracer(); 16 virtual int stack_limit_slack() { return assembler_->stack_limit_slack(); } 17 virtual bool CanReadUnaligned() { return assembler_->CanReadUnaligned(); } 18 virtual void AdvanceCurrentPosition(int by); // Signed cp change. 19 virtual void AdvanceRegister(int reg, int by); // r[reg] += by. 20 virtual void Backtrack(); 21 virtual void Bind(Label* label); 22 virtual void CheckAtStart(Label* on_at_start); 23 virtual void CheckCharacter(unsigned c, Label* on_equal); 24 virtual void CheckCharacterAfterAnd(unsigned c, 25 unsigned and_with, 26 Label* on_equal); 27 virtual void CheckCharacterGT(uc16 limit, Label* on_greater); 28 virtual void CheckCharacterLT(uc16 limit, Label* on_less); 29 virtual void CheckGreedyLoop(Label* on_tos_equals_current_position); 30 virtual void CheckNotAtStart(Label* on_not_at_start); 31 virtual void CheckNotBackReference(int start_reg, Label* on_no_match); 32 virtual void CheckNotBackReferenceIgnoreCase(int start_reg, 33 Label* on_no_match); 34 virtual void CheckNotCharacter(unsigned c, Label* on_not_equal); 35 virtual void CheckNotCharacterAfterAnd(unsigned c, 36 unsigned and_with, 37 Label* on_not_equal); 38 virtual void CheckNotCharacterAfterMinusAnd(uc16 c, 39 uc16 minus, 40 uc16 and_with, 41 Label* on_not_equal); 42 virtual void CheckCharacterInRange(uc16 from, 43 uc16 to, 44 Label* on_in_range); 45 virtual void CheckCharacterNotInRange(uc16 from, 46 uc16 to, 47 Label* on_not_in_range); 48 virtual void CheckBitInTable(Handle<ByteArray> table, Label* on_bit_set); 49 virtual bool CheckSpecialCharacterClass(uc16 type, 50 Label* on_no_match); 51 virtual void Fail(); 52 virtual Handle<HeapObject> GetCode(Handle<String> source); 53 virtual void GoTo(Label* label); 54 virtual void IfRegisterGE(int reg, int comparand, Label* if_ge); 55 virtual void IfRegisterLT(int reg, int comparand, Label* if_lt); 56 virtual void IfRegisterEqPos(int reg, Label* if_eq); 57 virtual IrregexpImplementation Implementation(); 58 virtual void LoadCurrentCharacter(int cp_offset, 59 Label* on_end_of_input, 60 bool check_bounds = true, 61 int characters = 1); 62 virtual void PopCurrentPosition(); 63 virtual void PopRegister(int register_index); 64 virtual void PushBacktrack(Label* label); 65 virtual void PushCurrentPosition(); 66 virtual void PushRegister(int register_index, 67 StackCheckFlag check_stack_limit); 68 virtual void ReadCurrentPositionFromRegister(int reg); 69 virtual void ReadStackPointerFromRegister(int reg); 70 virtual void SetCurrentPositionFromEnd(int by); 71 virtual void SetRegister(int register_index, int to); 72 virtual bool Succeed(); 73 virtual void WriteCurrentPositionToRegister(int reg, int cp_offset); 74 virtual void ClearRegisters(int reg_from, int reg_to); 75 virtual void WriteStackPointerToRegister(int reg); 76 77 private: 78 RegExpMacroAssembler* assembler_; 79 }; 80 81 }} // namespace v8::internal 82 83 #endif // V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_ 84
