contrib/llvm/tools/lldb/source/Target/ThreadPlanCallUserExpression.cpp

   1 //===-- ThreadPlanCallUserExpression.cpp ------------------------------*- 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 #include "lldb/Target/ThreadPlanCallUserExpression.h"
  11
  12 // C Includes
  13 // C++ Includes
  14 // Other libraries and framework includes
  15 #include "llvm/Support/MachO.h"
  16 // Project includes
  17 #include "lldb/lldb-private-log.h"
  18 #include "lldb/Breakpoint/Breakpoint.h"
  19 #include "lldb/Breakpoint/BreakpointLocation.h"
  20 #include "lldb/Core/Address.h"
  21 #include "lldb/Core/Log.h"
  22 #include "lldb/Core/Stream.h"
  23 #include "lldb/Expression/ClangUserExpression.h"
  24 #include "lldb/Target/LanguageRuntime.h"
  25 #include "lldb/Target/Process.h"
  26 #include "lldb/Target/RegisterContext.h"
  27 #include "lldb/Target/StopInfo.h"
  28 #include "lldb/Target/Target.h"
  29 #include "lldb/Target/Thread.h"
  30 #include "lldb/Target/ThreadPlanRunToAddress.h"
  31
  32 using namespace lldb;
  33 using namespace lldb_private;
  34
  35 //----------------------------------------------------------------------
  36 // ThreadPlanCallUserExpression: Plan to call a single function
  37 //----------------------------------------------------------------------
  38
  39 ThreadPlanCallUserExpression::ThreadPlanCallUserExpression (Thread &thread,
  40                                                 Address &function,
  41                                                 llvm::ArrayRef<lldb::addr_t> args,
  42                                                 const EvaluateExpressionOptions &options,
  43                                                 ClangUserExpression::ClangUserExpressionSP &user_expression_sp) :
  44     ThreadPlanCallFunction (thread, function, ClangASTType(), args, options),
  45     m_user_expression_sp (user_expression_sp)
  46 {
  47     // User expressions are generally "User generated" so we should set them up to stop when done.
  48     SetIsMasterPlan (true);
  49     SetOkayToDiscard(false);
  50 }
  51
  52 ThreadPlanCallUserExpression::~ThreadPlanCallUserExpression ()
  53 {
  54 }
  55
  56 void
  57 ThreadPlanCallUserExpression::GetDescription (Stream *s, lldb::DescriptionLevel level)
  58 {
  59     ThreadPlanCallFunction::GetDescription (s, level);
  60 }
  61
  62 StopInfoSP
  63 ThreadPlanCallUserExpression::GetRealStopInfo()
  64 {
  65     StopInfoSP stop_info_sp = ThreadPlanCallFunction::GetRealStopInfo();
  66
  67     if (stop_info_sp)
  68     {
  69         lldb::addr_t addr = GetStopAddress();
  70         DynamicCheckerFunctions *checkers = m_thread.GetProcess()->GetDynamicCheckers();
  71         StreamString s;
  72
  73         if (checkers && checkers->DoCheckersExplainStop(addr, s))
  74             stop_info_sp->SetDescription(s.GetData());
  75     }
  76
  77     return stop_info_sp;
  78 }