contrib/llvm/tools/lldb/include/lldb/Target/ThreadPlanStepInRange.h

   1 //===-- ThreadPlanStepInRange.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_ThreadPlanStepInRange_h_
  11 #define liblldb_ThreadPlanStepInRange_h_
  12
  13 // C Includes
  14 // C++ Includes
  15 // Other libraries and framework includes
  16 // Project includes
  17 #include "lldb/Core/AddressRange.h"
  18 #include "lldb/Target/StackID.h"
  19 #include "lldb/Target/Thread.h"
  20 #include "lldb/Target/ThreadPlanStepRange.h"
  21 #include "lldb/Target/ThreadPlanShouldStopHere.h"
  22
  23 namespace lldb_private {
  24
  25 class ThreadPlanStepInRange :
  26     public ThreadPlanStepRange,
  27     public ThreadPlanShouldStopHere
  28 {
  29 public:
  30     ThreadPlanStepInRange (Thread &thread,
  31                            const AddressRange &range,
  32                            const SymbolContext &addr_context,
  33                            lldb::RunMode stop_others);
  34
  35     ThreadPlanStepInRange (Thread &thread,
  36                            const AddressRange &range,
  37                            const SymbolContext &addr_context,
  38                            const char *step_into_function_name,
  39                            lldb::RunMode stop_others);
  40
  41     virtual
  42     ~ThreadPlanStepInRange ();
  43
  44     virtual void
  45     GetDescription (Stream *s, lldb::DescriptionLevel level);
  46
  47     virtual bool
  48     ShouldStop (Event *event_ptr);
  49
  50     void SetAvoidRegexp(const char *name);
  51
  52     void SetStepInTarget (const char *target)
  53     {
  54         m_step_into_target.SetCString(target);
  55     }
  56
  57     static lldb::ThreadPlanSP
  58     DefaultShouldStopHereCallback (ThreadPlan *current_plan, Flags &flags, void *baton);
  59
  60     static void
  61     SetDefaultFlagValue (uint32_t new_value);
  62
  63     bool
  64     IsVirtualStep();
  65
  66 protected:
  67     virtual bool DoWillResume (lldb::StateType resume_state, bool current_plan);
  68
  69     virtual bool
  70     DoPlanExplainsStop (Event *event_ptr);
  71
  72     virtual void
  73     SetFlagsToDefault ();
  74
  75     bool
  76     FrameMatchesAvoidCriteria ();
  77
  78 private:
  79
  80     friend lldb::ThreadPlanSP
  81     Thread::QueueThreadPlanForStepOverRange (bool abort_other_plans,
  82                                          const AddressRange &range,
  83                                          const SymbolContext &addr_context,
  84                                          lldb::RunMode stop_others);
  85     friend lldb::ThreadPlanSP
  86     Thread::QueueThreadPlanForStepInRange (bool abort_other_plans,
  87                                          const AddressRange &range,
  88                                          const SymbolContext &addr_context,
  89                                          const char *step_in_target,
  90                                          lldb::RunMode stop_others,
  91                                          bool avoid_code_without_debug_info);
  92
  93
  94     // Need an appropriate marker for the current stack so we can tell step out
  95     // from step in.
  96
  97     static uint32_t s_default_flag_values;
  98     lldb::ThreadPlanSP m_sub_plan_sp;  // Keep track of the last plan we were running.  If it fails, we should stop.
  99     std::unique_ptr<RegularExpression> m_avoid_regexp_ap;
 100     bool m_step_past_prologue;  // FIXME: For now hard-coded to true, we could put a switch in for this if there's
 101                                 // demand for that.
 102     bool m_virtual_step;        // true if we've just done a "virtual step", i.e. just moved the inline stack depth.
 103     ConstString m_step_into_target;
 104     DISALLOW_COPY_AND_ASSIGN (ThreadPlanStepInRange);
 105
 106 };
 107
 108 } // namespace lldb_private
 109
 110 #endif  // liblldb_ThreadPlanStepInRange_h_