| // 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 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 CheckBitmap(uc16 start, Label* bitmap, Label* on_zero); |
| virtual void CheckCharacter(uint32_t c, Label* on_equal); |
| virtual void CheckCharacterAfterAnd(uint32_t c, |
| uint32_t 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 CheckNotRegistersEqual(int reg1, int reg2, Label* on_not_equal); |
| virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal); |
| virtual void CheckNotCharacterAfterAnd(uint32_t c, |
| uint32_t and_with, |
| Label* on_not_equal); |
| virtual void CheckNotCharacterAfterMinusAnd(uc16 c, |
| uc16 minus, |
| uc16 and_with, |
| Label* on_not_equal); |
| virtual bool CheckSpecialCharacterClass(uc16 type, |
| int cp_offset, |
| bool check_offset, |
| Label* on_no_match); |
| virtual void DispatchByteMap( |
| uc16 start, |
| Label* byte_map, |
| const Vector<Label*>& destinations); |
| virtual void DispatchHalfNibbleMap( |
| uc16 start, |
| Label* half_nibble_map, |
| const Vector<Label*>& destinations); |
| virtual void DispatchHighByteMap( |
| byte start, |
| Label* byte_map, |
| const Vector<Label*>& destinations); |
| virtual void EmitOrLink(Label* label); |
| virtual void Fail(); |
| virtual Handle<Object> 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 SetRegister(int register_index, int to); |
| virtual void 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_ |