ThreadPlanStepUntil.h revision 2bcbaf625afd8f521da03ddaa146e7ea7650ee38 
1//===-- ThreadPlanStepUntil.h -----------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef liblldb_ThreadPlanStepUntil_h_
11#define liblldb_ThreadPlanStepUntil_h_
12
13// C Includes
14// C++ Includes
15// Other libraries and framework includes
16// Project includes
17#include "lldb/Target/Thread.h"
18#include "lldb/Target/ThreadPlan.h"
19
20namespace lldb_private {
21
22
23class ThreadPlanStepUntil : public ThreadPlan
24{
25public:
26    virtual ~ThreadPlanStepUntil ();
27
28    virtual void GetDescription (Stream *s, lldb::DescriptionLevel level);
29    virtual bool ValidatePlan (Stream *error);
30    virtual bool PlanExplainsStop ();
31    virtual bool ShouldStop (Event *event_ptr);
32    virtual bool StopOthers ();
33    virtual lldb::StateType GetPlanRunState ();
34    virtual bool WillResume (lldb::StateType resume_state, bool current_plan);
35    virtual bool WillStop ();
36    virtual bool MischiefManaged ();
37
38protected:
39    ThreadPlanStepUntil (Thread &thread,
40                         lldb::addr_t *address_list,
41                         size_t num_addresses,
42                         bool stop_others,
43                         uint32_t frame_idx = 0);
44    void AnalyzeStop(void);
45
46private:
47
48    StackID m_stack_id;
49    lldb::addr_t m_step_from_insn;
50    lldb::break_id_t m_return_bp_id;
51    lldb::addr_t m_return_addr;
52    bool m_stepped_out;
53    bool m_should_stop;
54    bool m_ran_analyze;
55    bool m_explains_stop;
56
57    typedef std::map<lldb::addr_t,lldb::break_id_t> until_collection;
58    until_collection m_until_points;
59    bool m_stop_others;
60
61    void Clear();
62
63    friend ThreadPlan *
64    Thread::QueueThreadPlanForStepUntil (bool abort_other_plans,
65                                         lldb::addr_t *address_list,
66                                         size_t num_addresses,
67                                         bool stop_others,
68                                         uint32_t frame_idx);
69
70    // Need an appropriate marker for the current stack so we can tell step out
71    // from step in.
72
73    DISALLOW_COPY_AND_ASSIGN (ThreadPlanStepUntil);
74
75};
76
77} // namespace lldb_private
78
79#endif  // liblldb_ThreadPlanStepUntil_h_
80