ThreadPlanStepInstruction.h

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//===-- ThreadPlanStepInstruction.h -----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_TARGET_THREADPLANSTEPINSTRUCTION_H
#define LLDB_TARGET_THREADPLANSTEPINSTRUCTION_H

#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlan.h"
#include "lldb/lldb-private.h"

namespace lldb_private {

class ThreadPlanStepInstruction : public ThreadPlan {
public:
  ThreadPlanStepInstruction(Thread &thread, bool step_over, bool stop_others,
                            Vote stop_vote, Vote run_vote);

  ~ThreadPlanStepInstruction() override;

  void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
  bool ValidatePlan(Stream *error) override;
  bool ShouldStop(Event *event_ptr) override;
  bool StopOthers() override;
  lldb::StateType GetPlanRunState() override;
  bool WillStop() override;
  bool MischiefManaged() override;
  bool IsPlanStale() override;

protected:
  bool DoPlanExplainsStop(Event *event_ptr) override;

  void SetUpState();

private:
  friend lldb::ThreadPlanSP Thread::QueueThreadPlanForStepSingleInstruction(
      bool step_over, bool abort_other_plans, bool stop_other_threads,
      Status &status);

  lldb::addr_t m_instruction_addr;
  bool m_stop_other_threads;
  bool m_step_over;
  // These two are used only for the step over case.
  bool m_start_has_symbol;
  StackID m_stack_id;
  StackID m_parent_frame_id;

  ThreadPlanStepInstruction(const ThreadPlanStepInstruction &) = delete;
  const ThreadPlanStepInstruction &
  operator=(const ThreadPlanStepInstruction &) = delete;
};

} // namespace lldb_private

#endif // LLDB_TARGET_THREADPLANSTEPINSTRUCTION_H