1 //===-- SBEvent.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/API/SBEvent.h"
11 #include "lldb/API/SBBroadcaster.h"
12 
13 #include "lldb/Core/Event.h"
14 #include "lldb/Core/Stream.h"
15 #include "lldb/Core/StreamFile.h"
16 #include "lldb/Core/ConstString.h"
17 #include "lldb/Target/Process.h"
18 #include "lldb/Breakpoint/Breakpoint.h"
19 #include "lldb/Interpreter/CommandInterpreter.h"
20 
21 using namespace lldb;
22 using namespace lldb_private;
23 
24 
25 SBEvent::SBEvent () :
26     m_event_sp (),
27     m_opaque (NULL)
28 {
29 }
30 
31 SBEvent::SBEvent (uint32_t event_type, const char *cstr, uint32_t cstr_len) :
32     m_event_sp (new Event (event_type, new EventDataBytes (cstr, cstr_len))),
33     m_opaque (m_event_sp.get())
34 {
35 }
36 
37 SBEvent::SBEvent (EventSP &event_sp) :
38     m_event_sp (event_sp),
39     m_opaque (event_sp.get())
40 {
41 }
42 
43 SBEvent::~SBEvent()
44 {
45 }
46 
47 void
48 SBEvent::Dump (FILE *f) const
49 {
50     const Event *lldb_event = get();
51     if (lldb_event)
52     {
53         StreamFile str(f);
54         lldb_event->Dump ((Stream *) &str);
55     }
56 }
57 
58 const char *
59 SBEvent::GetDataFlavor ()
60 {
61     Event *lldb_event = get();
62     if (lldb_event)
63         return lldb_event->GetData()->GetFlavor().AsCString();
64     return NULL;
65 }
66 
67 uint32_t
68 SBEvent::GetType () const
69 {
70     const Event *lldb_event = get();
71     if (lldb_event)
72         return lldb_event->GetType();
73     return 0;
74 }
75 
76 SBBroadcaster
77 SBEvent::GetBroadcaster () const
78 {
79     SBBroadcaster broadcaster;
80     const Event *lldb_event = get();
81     if (lldb_event)
82         broadcaster.reset (lldb_event->GetBroadcaster(), false);
83     return broadcaster;
84 }
85 
86 bool
87 SBEvent::BroadcasterMatchesPtr (const SBBroadcaster *broadcaster)
88 {
89     if (broadcaster)
90     {
91         Event *lldb_event = get();
92         if (lldb_event)
93             return lldb_event->BroadcasterIs (broadcaster->get());
94     }
95     return false;
96 }
97 
98 bool
99 SBEvent::BroadcasterMatchesRef (const SBBroadcaster &broadcaster)
100 {
101     Event *lldb_event = get();
102     if (lldb_event)
103         return lldb_event->BroadcasterIs (broadcaster.get());
104     return false;
105 }
106 
107 void
108 SBEvent::Clear()
109 {
110     Event *lldb_event = get();
111     if (lldb_event)
112         lldb_event->Clear();
113 }
114 
115 EventSP &
116 SBEvent::GetSP () const
117 {
118     return m_event_sp;
119 }
120 
121 Event *
122 SBEvent::get() const
123 {
124     // There is a dangerous accessor call GetSharedPtr which can be used, so if
125     // we have anything valid in m_event_sp, we must use that since if it gets
126     // used by a function that puts something in there, then it won't update
127     // m_opaque...
128     if (m_event_sp)
129         m_opaque = m_event_sp.get();
130 
131     return m_opaque;
132 }
133 
134 void
135 SBEvent::reset (EventSP &event_sp)
136 {
137     m_event_sp = event_sp;
138     m_opaque = m_event_sp.get();
139 }
140 
141 void
142 SBEvent::reset (Event* event_ptr)
143 {
144     m_opaque = event_ptr;
145     m_event_sp.reset();
146 }
147 
148 bool
149 SBEvent::IsValid() const
150 {
151     // Do NOT use m_opaque directly!!! Must use the SBEvent::get()
152     // accessor. See comments in SBEvent::get()....
153     return SBEvent::get() != NULL;
154 
155 }
156 
157 const char *
158 SBEvent::GetCStringFromEvent (const SBEvent &event)
159 {
160     return reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event.get()));
161 }
162 
163 
164