1 //===-- Event.cpp -----------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "lldb/Core/Event.h"
12 #include "lldb/Core/Broadcaster.h"
13 #include "lldb/Core/DumpDataExtractor.h"
14 #include "lldb/Utility/DataExtractor.h"
15 #include "lldb/Utility/Endian.h"
16 #include "lldb/Utility/Stream.h"
17 #include "lldb/Utility/StreamString.h" // for StreamString
18 #include "lldb/lldb-enumerations.h" // for Format::eFormatBytes
22 #include <ctype.h> // for isprint
25 using namespace lldb_private;
30 //------------------------------------------------------------------
32 //------------------------------------------------------------------
34 Event::Event(Broadcaster *broadcaster, uint32_t event_type, EventData *data)
35 : m_broadcaster_wp(broadcaster->GetBroadcasterImpl()), m_type(event_type),
38 Event::Event(Broadcaster *broadcaster, uint32_t event_type,
39 const EventDataSP &event_data_sp)
40 : m_broadcaster_wp(broadcaster->GetBroadcasterImpl()), m_type(event_type),
41 m_data_sp(event_data_sp) {}
43 Event::Event(uint32_t event_type, EventData *data)
44 : m_broadcaster_wp(), m_type(event_type), m_data_sp(data) {}
46 Event::Event(uint32_t event_type, const EventDataSP &event_data_sp)
47 : m_broadcaster_wp(), m_type(event_type), m_data_sp(event_data_sp) {}
49 Event::~Event() = default;
51 void Event::Dump(Stream *s) const {
52 Broadcaster *broadcaster;
53 Broadcaster::BroadcasterImplSP broadcaster_impl_sp(m_broadcaster_wp.lock());
54 if (broadcaster_impl_sp)
55 broadcaster = broadcaster_impl_sp->GetBroadcaster();
57 broadcaster = nullptr;
60 StreamString event_name;
61 if (broadcaster->GetEventNames(event_name, m_type, false))
62 s->Printf("%p Event: broadcaster = %p (%s), type = 0x%8.8x (%s), data = ",
63 static_cast<const void *>(this),
64 static_cast<void *>(broadcaster),
65 broadcaster->GetBroadcasterName().GetCString(), m_type,
66 event_name.GetData());
68 s->Printf("%p Event: broadcaster = %p (%s), type = 0x%8.8x, data = ",
69 static_cast<const void *>(this),
70 static_cast<void *>(broadcaster),
71 broadcaster->GetBroadcasterName().GetCString(), m_type);
73 s->Printf("%p Event: broadcaster = NULL, type = 0x%8.8x, data = ",
74 static_cast<const void *>(this), m_type);
84 void Event::DoOnRemoval() {
86 m_data_sp->DoOnRemoval(this);
90 #pragma mark EventData
92 //------------------------------------------------------------------
93 // EventData functions
94 //------------------------------------------------------------------
96 EventData::EventData() = default;
98 EventData::~EventData() = default;
100 void EventData::Dump(Stream *s) const { s->PutCString("Generic Event Data"); }
103 #pragma mark EventDataBytes
105 //------------------------------------------------------------------
106 // EventDataBytes functions
107 //------------------------------------------------------------------
109 EventDataBytes::EventDataBytes() : m_bytes() {}
111 EventDataBytes::EventDataBytes(const char *cstr) : m_bytes() {
112 SetBytesFromCString(cstr);
115 EventDataBytes::EventDataBytes(llvm::StringRef str) : m_bytes() {
116 SetBytes(str.data(), str.size());
119 EventDataBytes::EventDataBytes(const void *src, size_t src_len) : m_bytes() {
120 SetBytes(src, src_len);
123 EventDataBytes::~EventDataBytes() = default;
125 const ConstString &EventDataBytes::GetFlavorString() {
126 static ConstString g_flavor("EventDataBytes");
130 const ConstString &EventDataBytes::GetFlavor() const {
131 return EventDataBytes::GetFlavorString();
134 void EventDataBytes::Dump(Stream *s) const {
135 size_t num_printable_chars =
136 std::count_if(m_bytes.begin(), m_bytes.end(), isprint);
137 if (num_printable_chars == m_bytes.size()) {
138 s->Printf("\"%s\"", m_bytes.c_str());
139 } else if (!m_bytes.empty()) {
141 data.SetData(m_bytes.data(), m_bytes.size(), endian::InlHostByteOrder());
142 DumpDataExtractor(data, s, 0, eFormatBytes, 1, m_bytes.size(), 32,
143 LLDB_INVALID_ADDRESS, 0, 0);
147 const void *EventDataBytes::GetBytes() const {
148 return (m_bytes.empty() ? nullptr : m_bytes.data());
151 size_t EventDataBytes::GetByteSize() const { return m_bytes.size(); }
153 void EventDataBytes::SetBytes(const void *src, size_t src_len) {
154 if (src != nullptr && src_len > 0)
155 m_bytes.assign((const char *)src, src_len);
160 void EventDataBytes::SetBytesFromCString(const char *cstr) {
161 if (cstr != nullptr && cstr[0])
162 m_bytes.assign(cstr);
167 const void *EventDataBytes::GetBytesFromEvent(const Event *event_ptr) {
168 const EventDataBytes *e = GetEventDataFromEvent(event_ptr);
170 return e->GetBytes();
174 size_t EventDataBytes::GetByteSizeFromEvent(const Event *event_ptr) {
175 const EventDataBytes *e = GetEventDataFromEvent(event_ptr);
177 return e->GetByteSize();
181 const EventDataBytes *
182 EventDataBytes::GetEventDataFromEvent(const Event *event_ptr) {
183 if (event_ptr != nullptr) {
184 const EventData *event_data = event_ptr->GetData();
186 event_data->GetFlavor() == EventDataBytes::GetFlavorString())
187 return static_cast<const EventDataBytes *>(event_data);
192 void EventDataBytes::SwapBytes(std::string &new_bytes) {
193 m_bytes.swap(new_bytes);
197 #pragma mark EventStructuredData
199 //------------------------------------------------------------------
200 // EventDataStructuredData definitions
201 //------------------------------------------------------------------
203 EventDataStructuredData::EventDataStructuredData()
204 : EventData(), m_process_sp(), m_object_sp(), m_plugin_sp() {}
206 EventDataStructuredData::EventDataStructuredData(
207 const ProcessSP &process_sp, const StructuredData::ObjectSP &object_sp,
208 const lldb::StructuredDataPluginSP &plugin_sp)
209 : EventData(), m_process_sp(process_sp), m_object_sp(object_sp),
210 m_plugin_sp(plugin_sp) {}
212 EventDataStructuredData::~EventDataStructuredData() {}
214 //------------------------------------------------------------------
215 // EventDataStructuredData member functions
216 //------------------------------------------------------------------
218 const ConstString &EventDataStructuredData::GetFlavor() const {
219 return EventDataStructuredData::GetFlavorString();
222 void EventDataStructuredData::Dump(Stream *s) const {
227 m_object_sp->Dump(*s);
230 const ProcessSP &EventDataStructuredData::GetProcess() const {
234 const StructuredData::ObjectSP &EventDataStructuredData::GetObject() const {
238 const lldb::StructuredDataPluginSP &
239 EventDataStructuredData::GetStructuredDataPlugin() const {
243 void EventDataStructuredData::SetProcess(const ProcessSP &process_sp) {
244 m_process_sp = process_sp;
247 void EventDataStructuredData::SetObject(
248 const StructuredData::ObjectSP &object_sp) {
249 m_object_sp = object_sp;
252 void EventDataStructuredData::SetStructuredDataPlugin(
253 const lldb::StructuredDataPluginSP &plugin_sp) {
254 m_plugin_sp = plugin_sp;
257 //------------------------------------------------------------------
258 // EventDataStructuredData static functions
259 //------------------------------------------------------------------
261 const EventDataStructuredData *
262 EventDataStructuredData::GetEventDataFromEvent(const Event *event_ptr) {
263 if (event_ptr == nullptr)
266 const EventData *event_data = event_ptr->GetData();
268 event_data->GetFlavor() != EventDataStructuredData::GetFlavorString())
271 return static_cast<const EventDataStructuredData *>(event_data);
274 ProcessSP EventDataStructuredData::GetProcessFromEvent(const Event *event_ptr) {
275 auto event_data = EventDataStructuredData::GetEventDataFromEvent(event_ptr);
277 return event_data->GetProcess();
282 StructuredData::ObjectSP
283 EventDataStructuredData::GetObjectFromEvent(const Event *event_ptr) {
284 auto event_data = EventDataStructuredData::GetEventDataFromEvent(event_ptr);
286 return event_data->GetObject();
288 return StructuredData::ObjectSP();
291 lldb::StructuredDataPluginSP
292 EventDataStructuredData::GetPluginFromEvent(const Event *event_ptr) {
293 auto event_data = EventDataStructuredData::GetEventDataFromEvent(event_ptr);
295 return event_data->GetStructuredDataPlugin();
297 return StructuredDataPluginSP();
300 const ConstString &EventDataStructuredData::GetFlavorString() {
301 static ConstString s_flavor("EventDataStructuredData");