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 #include "lldb/API/SBStream.h"
13
14 #include "lldb/Core/Event.h"
15 #include "lldb/Core/Stream.h"
16 #include "lldb/Core/StreamFile.h"
17 #include "lldb/Core/ConstString.h"
18 #include "lldb/Target/Process.h"
19 #include "lldb/Breakpoint/Breakpoint.h"
20 #include "lldb/Interpreter/CommandInterpreter.h"
21
22 using namespace lldb;
23 using namespace lldb_private;
24
25
SBEvent()26 SBEvent::SBEvent () :
27 m_event_sp (),
28 m_opaque_ptr (NULL)
29 {
30 }
31
SBEvent(uint32_t event_type,const char * cstr,uint32_t cstr_len)32 SBEvent::SBEvent (uint32_t event_type, const char *cstr, uint32_t cstr_len) :
33 m_event_sp (new Event (event_type, new EventDataBytes (cstr, cstr_len))),
34 m_opaque_ptr (m_event_sp.get())
35 {
36 }
37
SBEvent(EventSP & event_sp)38 SBEvent::SBEvent (EventSP &event_sp) :
39 m_event_sp (event_sp),
40 m_opaque_ptr (event_sp.get())
41 {
42 }
43
SBEvent(Event * event_ptr)44 SBEvent::SBEvent (Event *event_ptr) :
45 m_event_sp (),
46 m_opaque_ptr (event_ptr)
47 {
48 }
49
SBEvent(const SBEvent & rhs)50 SBEvent::SBEvent (const SBEvent &rhs) :
51 m_event_sp (rhs.m_event_sp),
52 m_opaque_ptr (rhs.m_opaque_ptr)
53 {
54
55 }
56
57 const SBEvent &
operator =(const SBEvent & rhs)58 SBEvent::operator = (const SBEvent &rhs)
59 {
60 if (this != &rhs)
61 {
62 m_event_sp = rhs.m_event_sp;
63 m_opaque_ptr = rhs.m_opaque_ptr;
64 }
65 return *this;
66 }
67
~SBEvent()68 SBEvent::~SBEvent()
69 {
70 }
71
72 const char *
GetDataFlavor()73 SBEvent::GetDataFlavor ()
74 {
75 Event *lldb_event = get();
76 if (lldb_event)
77 {
78 EventData *event_data = lldb_event->GetData();
79 if (event_data)
80 return lldb_event->GetData()->GetFlavor().AsCString();
81 }
82 return NULL;
83 }
84
85 uint32_t
GetType() const86 SBEvent::GetType () const
87 {
88 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
89
90 const Event *lldb_event = get();
91 uint32_t event_type = 0;
92 if (lldb_event)
93 event_type = lldb_event->GetType();
94
95 if (log)
96 {
97 StreamString sstr;
98 if (lldb_event && lldb_event->GetBroadcaster() && lldb_event->GetBroadcaster()->GetEventNames(sstr, event_type, true))
99 log->Printf ("SBEvent(%p)::GetType () => 0x%8.8x (%s)",
100 static_cast<void*>(get()), event_type, sstr.GetData());
101 else
102 log->Printf ("SBEvent(%p)::GetType () => 0x%8.8x",
103 static_cast<void*>(get()), event_type);
104
105 }
106
107 return event_type;
108 }
109
110 SBBroadcaster
GetBroadcaster() const111 SBEvent::GetBroadcaster () const
112 {
113 SBBroadcaster broadcaster;
114 const Event *lldb_event = get();
115 if (lldb_event)
116 broadcaster.reset (lldb_event->GetBroadcaster(), false);
117 return broadcaster;
118 }
119
120 const char *
GetBroadcasterClass() const121 SBEvent::GetBroadcasterClass () const
122 {
123 const Event *lldb_event = get();
124 if (lldb_event)
125 return lldb_event->GetBroadcaster()->GetBroadcasterClass().AsCString();
126 else
127 return "unknown class";
128 }
129
130 bool
BroadcasterMatchesPtr(const SBBroadcaster * broadcaster)131 SBEvent::BroadcasterMatchesPtr (const SBBroadcaster *broadcaster)
132 {
133 if (broadcaster)
134 return BroadcasterMatchesRef (*broadcaster);
135 return false;
136 }
137
138 bool
BroadcasterMatchesRef(const SBBroadcaster & broadcaster)139 SBEvent::BroadcasterMatchesRef (const SBBroadcaster &broadcaster)
140 {
141
142 Event *lldb_event = get();
143 bool success = false;
144 if (lldb_event)
145 success = lldb_event->BroadcasterIs (broadcaster.get());
146
147 // For logging, this gets a little chatty so only enable this when verbose logging is on
148 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API | LIBLLDB_LOG_VERBOSE));
149 if (log)
150 log->Printf ("SBEvent(%p)::BroadcasterMatchesRef (SBBroadcaster(%p): %s) => %i",
151 static_cast<void*>(get()),
152 static_cast<void*>(broadcaster.get()),
153 broadcaster.GetName(), success);
154
155 return success;
156 }
157
158 void
Clear()159 SBEvent::Clear()
160 {
161 Event *lldb_event = get();
162 if (lldb_event)
163 lldb_event->Clear();
164 }
165
166 EventSP &
GetSP() const167 SBEvent::GetSP () const
168 {
169 return m_event_sp;
170 }
171
172 Event *
get() const173 SBEvent::get() const
174 {
175 // There is a dangerous accessor call GetSharedPtr which can be used, so if
176 // we have anything valid in m_event_sp, we must use that since if it gets
177 // used by a function that puts something in there, then it won't update
178 // m_opaque_ptr...
179 if (m_event_sp)
180 m_opaque_ptr = m_event_sp.get();
181
182 return m_opaque_ptr;
183 }
184
185 void
reset(EventSP & event_sp)186 SBEvent::reset (EventSP &event_sp)
187 {
188 m_event_sp = event_sp;
189 m_opaque_ptr = m_event_sp.get();
190 }
191
192 void
reset(Event * event_ptr)193 SBEvent::reset (Event* event_ptr)
194 {
195 m_opaque_ptr = event_ptr;
196 m_event_sp.reset();
197 }
198
199 bool
IsValid() const200 SBEvent::IsValid() const
201 {
202 // Do NOT use m_opaque_ptr directly!!! Must use the SBEvent::get()
203 // accessor. See comments in SBEvent::get()....
204 return SBEvent::get() != NULL;
205
206 }
207
208 const char *
GetCStringFromEvent(const SBEvent & event)209 SBEvent::GetCStringFromEvent (const SBEvent &event)
210 {
211 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
212
213 if (log)
214 log->Printf ("SBEvent(%p)::GetCStringFromEvent () => \"%s\"",
215 static_cast<void*>(event.get()),
216 reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event.get())));
217
218 return reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event.get()));
219 }
220
221
222 bool
GetDescription(SBStream & description)223 SBEvent::GetDescription (SBStream &description)
224 {
225 Stream &strm = description.ref();
226
227 if (get())
228 {
229 m_opaque_ptr->Dump (&strm);
230 }
231 else
232 strm.PutCString ("No value");
233
234 return true;
235 }
236
237 bool
GetDescription(SBStream & description) const238 SBEvent::GetDescription (SBStream &description) const
239 {
240 Stream &strm = description.ref();
241
242 if (get())
243 {
244 m_opaque_ptr->Dump (&strm);
245 }
246 else
247 strm.PutCString ("No value");
248
249 return true;
250 }
251