regexp-macro-assembler-tracer.h

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// Copyright 2008 the V8 project authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

#ifndef V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_

#define V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_

#include "irregexp/imported/regexp-macro-assembler.h"

namespace v8 {

namespace internal {

// Decorator on a RegExpMacroAssembler that write all calls.

class RegExpMacroAssemblerTracer: public RegExpMacroAssembler {

 public:

  RegExpMacroAssemblerTracer(Isolate* isolate, RegExpMacroAssembler* assembler);

  ~RegExpMacroAssemblerTracer() override;

  void AbortedCodeGeneration() override;

  int stack_limit_slack_slot_count() override {

    return assembler_->stack_limit_slack_slot_count();

  bool CanReadUnaligned() const override {

    return assembler_->CanReadUnaligned();

  void AdvanceCurrentPosition(int by) override;    // Signed cp change.

  void AdvanceRegister(int reg, int by) override;  // r[reg] += by.

  void Backtrack() override;

  void Bind(Label* label) override;

  void CheckCharacter(unsigned c, Label* on_equal) override;

  void CheckCharacterAfterAnd(unsigned c, unsigned and_with,

                              Label* on_equal) override;

  void CheckCharacterGT(base::uc16 limit, Label* on_greater) override;

  void CheckCharacterLT(base::uc16 limit, Label* on_less) override;

  void CheckGreedyLoop(Label* on_tos_equals_current_position) override;

  void CheckAtStart(int cp_offset, Label* on_at_start) override;

  void CheckNotAtStart(int cp_offset, Label* on_not_at_start) override;

  void CheckNotBackReference(int start_reg, bool read_backward,

                             Label* on_no_match) override;

  void CheckNotBackReferenceIgnoreCase(int start_reg, bool read_backward,

                                       bool unicode,

                                       Label* on_no_match) override;

  void CheckNotCharacter(unsigned c, Label* on_not_equal) override;

  void CheckNotCharacterAfterAnd(unsigned c, unsigned and_with,

                                 Label* on_not_equal) override;

  void CheckNotCharacterAfterMinusAnd(base::uc16 c, base::uc16 minus,

                                      base::uc16 and_with,

                                      Label* on_not_equal) override;

  void CheckCharacterInRange(base::uc16 from, base::uc16 to,

                             Label* on_in_range) override;

  void CheckCharacterNotInRange(base::uc16 from, base::uc16 to,

                                Label* on_not_in_range) override;

  bool CheckCharacterInRangeArray(const ZoneList<CharacterRange>* ranges,

                                  Label* on_in_range) override;

  bool CheckCharacterNotInRangeArray(const ZoneList<CharacterRange>* ranges,

                                     Label* on_not_in_range) override;

  void CheckBitInTable(Handle<ByteArray> table, Label* on_bit_set) override;

  bool SkipUntilBitInTableUseSimd(int advance_by) override {

    return assembler_->SkipUntilBitInTableUseSimd(advance_by);

  void SkipUntilBitInTable(int cp_offset, Handle<ByteArray> table,

                           Handle<ByteArray> nibble_table,

                           int advance_by) override;

  void CheckPosition(int cp_offset, Label* on_outside_input) override;

  bool CheckSpecialClassRanges(StandardCharacterSet type,

                               Label* on_no_match) override;

  void Fail() override;

  Handle<HeapObject> GetCode(Handle<String> source, RegExpFlags flags) override;

  void GoTo(Label* label) override;

  void IfRegisterGE(int reg, int comparand, Label* if_ge) override;

  void IfRegisterLT(int reg, int comparand, Label* if_lt) override;

  void IfRegisterEqPos(int reg, Label* if_eq) override;

  IrregexpImplementation Implementation() override;

  void LoadCurrentCharacterImpl(int cp_offset, Label* on_end_of_input,

                                bool check_bounds, int characters,

                                int eats_at_least) override;

  void PopCurrentPosition() override;

  void PopRegister(int register_index) override;

  void PushBacktrack(Label* label) override;

  void PushCurrentPosition() override;

  void PushRegister(int register_index,

                    StackCheckFlag check_stack_limit) override;

  void ReadCurrentPositionFromRegister(int reg) override;

  void ReadStackPointerFromRegister(int reg) override;

  void SetCurrentPositionFromEnd(int by) override;

  void SetRegister(int register_index, int to) override;

  bool Succeed() override;

  void WriteCurrentPositionToRegister(int reg, int cp_offset) override;

  void ClearRegisters(int reg_from, int reg_to) override;

  void WriteStackPointerToRegister(int reg) override;

 private:

  RegExpMacroAssembler* assembler_;

};

}  // namespace internal

}  // namespace v8

#endif  // V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_