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/lldb-python.h" 11 12 #include "lldb/API/SBEvent.h" 13 #include "lldb/API/SBBroadcaster.h" 14 #include "lldb/API/SBStream.h" 15 16 #include "lldb/Core/Event.h" 17 #include "lldb/Core/Stream.h" 18 #include "lldb/Core/StreamFile.h" 19 #include "lldb/Core/ConstString.h" 20 #include "lldb/Target/Process.h" 21 #include "lldb/Breakpoint/Breakpoint.h" 22 #include "lldb/Interpreter/CommandInterpreter.h" 23 24 using namespace lldb; 25 using namespace lldb_private; 26 27 28 SBEvent::SBEvent () : 29 m_event_sp (), 30 m_opaque_ptr (NULL) 31 { 32 } 33 34 SBEvent::SBEvent (uint32_t event_type, const char *cstr, uint32_t cstr_len) : 35 m_event_sp (new Event (event_type, new EventDataBytes (cstr, cstr_len))), 36 m_opaque_ptr (m_event_sp.get()) 37 { 38 } 39 40 SBEvent::SBEvent (EventSP &event_sp) : 41 m_event_sp (event_sp), 42 m_opaque_ptr (event_sp.get()) 43 { 44 } 45 46 SBEvent::SBEvent (const SBEvent &rhs) : 47 m_event_sp (rhs.m_event_sp), 48 m_opaque_ptr (rhs.m_opaque_ptr) 49 { 50 51 } 52 53 const SBEvent & 54 SBEvent::operator = (const SBEvent &rhs) 55 { 56 if (this != &rhs) 57 { 58 m_event_sp = rhs.m_event_sp; 59 m_opaque_ptr = rhs.m_opaque_ptr; 60 } 61 return *this; 62 } 63 64 SBEvent::~SBEvent() 65 { 66 } 67 68 const char * 69 SBEvent::GetDataFlavor () 70 { 71 Event *lldb_event = get(); 72 if (lldb_event) 73 { 74 EventData *event_data = lldb_event->GetData(); 75 if (event_data) 76 return lldb_event->GetData()->GetFlavor().AsCString(); 77 } 78 return NULL; 79 } 80 81 uint32_t 82 SBEvent::GetType () const 83 { 84 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API)); 85 86 const Event *lldb_event = get(); 87 uint32_t event_type = 0; 88 if (lldb_event) 89 event_type = lldb_event->GetType(); 90 91 if (log) 92 { 93 StreamString sstr; 94 if (lldb_event && lldb_event->GetBroadcaster() && lldb_event->GetBroadcaster()->GetEventNames(sstr, event_type, true)) 95 log->Printf ("SBEvent(%p)::GetType () => 0x%8.8x (%s)", get(), event_type, sstr.GetData()); 96 else 97 log->Printf ("SBEvent(%p)::GetType () => 0x%8.8x", get(), event_type); 98 99 } 100 101 return event_type; 102 } 103 104 SBBroadcaster 105 SBEvent::GetBroadcaster () const 106 { 107 SBBroadcaster broadcaster; 108 const Event *lldb_event = get(); 109 if (lldb_event) 110 broadcaster.reset (lldb_event->GetBroadcaster(), false); 111 return broadcaster; 112 } 113 114 const char * 115 SBEvent::GetBroadcasterClass () const 116 { 117 const Event *lldb_event = get(); 118 if (lldb_event) 119 return lldb_event->GetBroadcaster()->GetBroadcasterClass().AsCString(); 120 else 121 return "unknown class"; 122 } 123 124 bool 125 SBEvent::BroadcasterMatchesPtr (const SBBroadcaster *broadcaster) 126 { 127 if (broadcaster) 128 return BroadcasterMatchesRef (*broadcaster); 129 return false; 130 } 131 132 bool 133 SBEvent::BroadcasterMatchesRef (const SBBroadcaster &broadcaster) 134 { 135 136 Event *lldb_event = get(); 137 bool success = false; 138 if (lldb_event) 139 success = lldb_event->BroadcasterIs (broadcaster.get()); 140 141 // For logging, this gets a little chatty so only enable this when verbose logging is on 142 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API | LIBLLDB_LOG_VERBOSE)); 143 if (log) 144 log->Printf ("SBEvent(%p)::BroadcasterMatchesRef (SBBroadcaster(%p): %s) => %i", 145 get(), 146 broadcaster.get(), 147 broadcaster.GetName(), 148 success); 149 150 return success; 151 } 152 153 void 154 SBEvent::Clear() 155 { 156 Event *lldb_event = get(); 157 if (lldb_event) 158 lldb_event->Clear(); 159 } 160 161 EventSP & 162 SBEvent::GetSP () const 163 { 164 return m_event_sp; 165 } 166 167 Event * 168 SBEvent::get() const 169 { 170 // There is a dangerous accessor call GetSharedPtr which can be used, so if 171 // we have anything valid in m_event_sp, we must use that since if it gets 172 // used by a function that puts something in there, then it won't update 173 // m_opaque_ptr... 174 if (m_event_sp) 175 m_opaque_ptr = m_event_sp.get(); 176 177 return m_opaque_ptr; 178 } 179 180 void 181 SBEvent::reset (EventSP &event_sp) 182 { 183 m_event_sp = event_sp; 184 m_opaque_ptr = m_event_sp.get(); 185 } 186 187 void 188 SBEvent::reset (Event* event_ptr) 189 { 190 m_opaque_ptr = event_ptr; 191 m_event_sp.reset(); 192 } 193 194 bool 195 SBEvent::IsValid() const 196 { 197 // Do NOT use m_opaque_ptr directly!!! Must use the SBEvent::get() 198 // accessor. See comments in SBEvent::get().... 199 return SBEvent::get() != NULL; 200 201 } 202 203 const char * 204 SBEvent::GetCStringFromEvent (const SBEvent &event) 205 { 206 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API)); 207 208 if (log) 209 log->Printf ("SBEvent(%p)::GetCStringFromEvent () => \"%s\"", 210 event.get(), 211 reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event.get()))); 212 213 return reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event.get())); 214 } 215 216 217 bool 218 SBEvent::GetDescription (SBStream &description) 219 { 220 Stream &strm = description.ref(); 221 222 if (get()) 223 { 224 m_opaque_ptr->Dump (&strm); 225 } 226 else 227 strm.PutCString ("No value"); 228 229 return true; 230 } 231 232 bool 233 SBEvent::GetDescription (SBStream &description) const 234 { 235 Stream &strm = description.ref(); 236 237 if (get()) 238 { 239 m_opaque_ptr->Dump (&strm); 240 } 241 else 242 strm.PutCString ("No value"); 243 244 return true; 245 } 246
