Line data    Source code

       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_REGEXP_MACRO_ASSEMBLER_TRACER_H_
       6             : #define V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_
       7             : 
       8             : #include "src/regexp/regexp-macro-assembler.h"
       9             : 
      10             : namespace v8 {
      11             : namespace internal {
      12             : 
      13             : // Decorator on a RegExpMacroAssembler that write all calls.
      14             : class RegExpMacroAssemblerTracer: public RegExpMacroAssembler {
      15             :  public:
      16             :   RegExpMacroAssemblerTracer(Isolate* isolate, RegExpMacroAssembler* assembler);
      17             :   virtual ~RegExpMacroAssemblerTracer();
      18             :   virtual void AbortedCodeGeneration();
      19           0 :   virtual int stack_limit_slack() { return assembler_->stack_limit_slack(); }
      20           0 :   virtual bool CanReadUnaligned() { return assembler_->CanReadUnaligned(); }
      21             :   virtual void AdvanceCurrentPosition(int by);  // Signed cp change.
      22             :   virtual void AdvanceRegister(int reg, int by);  // r[reg] += by.
      23             :   virtual void Backtrack();
      24             :   virtual void Bind(Label* label);
      25             :   virtual void CheckAtStart(Label* on_at_start);
      26             :   virtual void CheckCharacter(unsigned c, Label* on_equal);
      27             :   virtual void CheckCharacterAfterAnd(unsigned c,
      28             :                                       unsigned and_with,
      29             :                                       Label* on_equal);
      30             :   virtual void CheckCharacterGT(uc16 limit, Label* on_greater);
      31             :   virtual void CheckCharacterLT(uc16 limit, Label* on_less);
      32             :   virtual void CheckGreedyLoop(Label* on_tos_equals_current_position);
      33             :   virtual void CheckNotAtStart(int cp_offset, Label* on_not_at_start);
      34             :   virtual void CheckNotBackReference(int start_reg, bool read_backward,
      35             :                                      Label* on_no_match);
      36             :   virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
      37             :                                                bool read_backward, bool unicode,
      38             :                                                Label* on_no_match);
      39             :   virtual void CheckNotCharacter(unsigned c, Label* on_not_equal);
      40             :   virtual void CheckNotCharacterAfterAnd(unsigned c,
      41             :                                          unsigned and_with,
      42             :                                          Label* on_not_equal);
      43             :   virtual void CheckNotCharacterAfterMinusAnd(uc16 c,
      44             :                                               uc16 minus,
      45             :                                               uc16 and_with,
      46             :                                               Label* on_not_equal);
      47             :   virtual void CheckCharacterInRange(uc16 from,
      48             :                                      uc16 to,
      49             :                                      Label* on_in_range);
      50             :   virtual void CheckCharacterNotInRange(uc16 from,
      51             :                                         uc16 to,
      52             :                                         Label* on_not_in_range);
      53             :   virtual void CheckBitInTable(Handle<ByteArray> table, Label* on_bit_set);
      54             :   virtual void CheckPosition(int cp_offset, Label* on_outside_input);
      55             :   virtual bool CheckSpecialCharacterClass(uc16 type,
      56             :                                           Label* on_no_match);
      57             :   virtual void Fail();
      58             :   virtual Handle<HeapObject> GetCode(Handle<String> source);
      59             :   virtual void GoTo(Label* label);
      60             :   virtual void IfRegisterGE(int reg, int comparand, Label* if_ge);
      61             :   virtual void IfRegisterLT(int reg, int comparand, Label* if_lt);
      62             :   virtual void IfRegisterEqPos(int reg, Label* if_eq);
      63             :   virtual IrregexpImplementation Implementation();
      64             :   virtual void LoadCurrentCharacter(int cp_offset,
      65             :                                     Label* on_end_of_input,
      66             :                                     bool check_bounds = true,
      67             :                                     int characters = 1);
      68             :   virtual void PopCurrentPosition();
      69             :   virtual void PopRegister(int register_index);
      70             :   virtual void PushBacktrack(Label* label);
      71             :   virtual void PushCurrentPosition();
      72             :   virtual void PushRegister(int register_index,
      73             :                             StackCheckFlag check_stack_limit);
      74             :   virtual void ReadCurrentPositionFromRegister(int reg);
      75             :   virtual void ReadStackPointerFromRegister(int reg);
      76             :   virtual void SetCurrentPositionFromEnd(int by);
      77             :   virtual void SetRegister(int register_index, int to);
      78             :   virtual bool Succeed();
      79             :   virtual void WriteCurrentPositionToRegister(int reg, int cp_offset);
      80             :   virtual void ClearRegisters(int reg_from, int reg_to);
      81             :   virtual void WriteStackPointerToRegister(int reg);
      82             : 
      83             :  private:
      84             :   RegExpMacroAssembler* assembler_;
      85             : };
      86             : 
      87             : }  // namespace internal
      88             : }  // namespace v8
      89             : 
      90             : #endif  // V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_