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