ThreadPlanStepUntil.h

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//===-- ThreadPlanStepUntil.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_THREADPLANSTEPUNTIL_H
#define LLDB_TARGET_THREADPLANSTEPUNTIL_H
 
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlan.h"
 
namespace lldb_private {
 
class ThreadPlanStepUntil : public ThreadPlan {
public:
  ~ThreadPlanStepUntil() 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;
 
protected:
  bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
  bool DoPlanExplainsStop(Event *event_ptr) override;
 
  ThreadPlanStepUntil(Thread &thread, lldb::addr_t *address_list,
                      size_t num_addresses, bool stop_others,
                      uint32_t frame_idx = 0);
 
  void AnalyzeStop();
 
private:
  StackID m_stack_id;
  lldb::addr_t m_step_from_insn;
  lldb::break_id_t m_return_bp_id;
  lldb::addr_t m_return_addr;
  bool m_stepped_out;
  bool m_should_stop;
  bool m_ran_analyze;
  bool m_explains_stop;
 
  typedef std::map<lldb::addr_t, lldb::break_id_t> until_collection;
  until_collection m_until_points;
  bool m_stop_others;
 
  void Clear();
 
  friend lldb::ThreadPlanSP Thread::QueueThreadPlanForStepUntil(
      bool abort_other_plans, lldb::addr_t *address_list, size_t num_addresses,
      bool stop_others, uint32_t frame_idx, Status &status);
 
  // Need an appropriate marker for the current stack so we can tell step out
  // from step in.
 
  ThreadPlanStepUntil(const ThreadPlanStepUntil &) = delete;
  const ThreadPlanStepUntil &operator=(const ThreadPlanStepUntil &) = delete;
};
 
} // namespace lldb_private
 
#endif // LLDB_TARGET_THREADPLANSTEPUNTIL_H