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                                                 lldb::addr_t arg,
42                                                 const EvaluateExpressionOptions &options,
43                                                 lldb::addr_t *this_arg,
44                                                 lldb::addr_t *cmd_arg,
45                                                 ClangUserExpression::ClangUserExpressionSP &user_expression_sp) :
46     ThreadPlanCallFunction (thread, function, ClangASTType(), arg, options, this_arg, cmd_arg),
47     m_user_expression_sp (user_expression_sp)
48 {
49     // User expressions are generally "User generated" so we should set them up to stop when done.
50     SetIsMasterPlan (true);
51     SetOkayToDiscard(false);
52 }
53 
54 ThreadPlanCallUserExpression::~ThreadPlanCallUserExpression ()
55 {
56 }
57 
58 void
59 ThreadPlanCallUserExpression::GetDescription (Stream *s, lldb::DescriptionLevel level)
60 {
61     ThreadPlanCallFunction::GetDescription (s, level);
62 }
63 
64 StopInfoSP
65 ThreadPlanCallUserExpression::GetRealStopInfo()
66 {
67     StopInfoSP stop_info_sp = ThreadPlanCallFunction::GetRealStopInfo();
68 
69     if (stop_info_sp)
70     {
71         lldb::addr_t addr = GetStopAddress();
72         DynamicCheckerFunctions *checkers = m_thread.GetProcess()->GetDynamicCheckers();
73         StreamString s;
74 
75         if (checkers && checkers->DoCheckersExplainStop(addr, s))
76             stop_info_sp->SetDescription(s.GetData());
77     }
78 
79     return stop_info_sp;
80 }
81