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/Utility/DataExtractor.h"
14 #include "lldb/Utility/Endian.h"
15 #include "lldb/Utility/Stream.h"
16 #include "lldb/Utility/StreamString.h" // for StreamString
17 #include "lldb/lldb-enumerations.h" // for Format::eFormatBytes
21 #include <ctype.h> // for isprint
24 using namespace lldb_private;
29 //------------------------------------------------------------------
31 //------------------------------------------------------------------
33 Event::Event(Broadcaster *broadcaster, uint32_t event_type, EventData *data)
34 : m_broadcaster_wp(broadcaster->GetBroadcasterImpl()), m_type(event_type),
37 Event::Event(Broadcaster *broadcaster, uint32_t event_type,
38 const EventDataSP &event_data_sp)
39 : m_broadcaster_wp(broadcaster->GetBroadcasterImpl()), m_type(event_type),
40 m_data_sp(event_data_sp) {}
42 Event::Event(uint32_t event_type, EventData *data)
43 : m_broadcaster_wp(), m_type(event_type), m_data_sp(data) {}
45 Event::Event(uint32_t event_type, const EventDataSP &event_data_sp)
46 : m_broadcaster_wp(), m_type(event_type), m_data_sp(event_data_sp) {}
48 Event::~Event() = default;
50 void Event::Dump(Stream *s) const {
51 Broadcaster *broadcaster;
52 Broadcaster::BroadcasterImplSP broadcaster_impl_sp(m_broadcaster_wp.lock());
53 if (broadcaster_impl_sp)
54 broadcaster = broadcaster_impl_sp->GetBroadcaster();
56 broadcaster = nullptr;
59 StreamString event_name;
60 if (broadcaster->GetEventNames(event_name, m_type, false))
61 s->Printf("%p Event: broadcaster = %p (%s), type = 0x%8.8x (%s), data = ",
62 static_cast<const void *>(this),
63 static_cast<void *>(broadcaster),
64 broadcaster->GetBroadcasterName().GetCString(), m_type,
65 event_name.GetData());
67 s->Printf("%p Event: broadcaster = %p (%s), type = 0x%8.8x, data = ",
68 static_cast<const void *>(this),
69 static_cast<void *>(broadcaster),
70 broadcaster->GetBroadcasterName().GetCString(), m_type);
72 s->Printf("%p Event: broadcaster = NULL, type = 0x%8.8x, data = ",
73 static_cast<const void *>(this), m_type);
83 void Event::DoOnRemoval() {
85 m_data_sp->DoOnRemoval(this);
89 #pragma mark EventData
91 //------------------------------------------------------------------
92 // EventData functions
93 //------------------------------------------------------------------
95 EventData::EventData() = default;
97 EventData::~EventData() = default;
99 void EventData::Dump(Stream *s) const { s->PutCString("Generic Event Data"); }
102 #pragma mark EventDataBytes
104 //------------------------------------------------------------------
105 // EventDataBytes functions
106 //------------------------------------------------------------------
108 EventDataBytes::EventDataBytes() : m_bytes() {}
110 EventDataBytes::EventDataBytes(const char *cstr) : m_bytes() {
111 SetBytesFromCString(cstr);
114 EventDataBytes::EventDataBytes(llvm::StringRef str) : m_bytes() {
115 SetBytes(str.data(), str.size());
118 EventDataBytes::EventDataBytes(const void *src, size_t src_len) : m_bytes() {
119 SetBytes(src, src_len);
122 EventDataBytes::~EventDataBytes() = default;
124 const ConstString &EventDataBytes::GetFlavorString() {
125 static ConstString g_flavor("EventDataBytes");
129 const ConstString &EventDataBytes::GetFlavor() const {
130 return EventDataBytes::GetFlavorString();
133 void EventDataBytes::Dump(Stream *s) const {
134 size_t num_printable_chars =
135 std::count_if(m_bytes.begin(), m_bytes.end(), isprint);
136 if (num_printable_chars == m_bytes.size())
137 s->Format("\"{0}\"", m_bytes);
139 s->Format("{0:$[ ]@[x-2]}", llvm::make_range(
140 reinterpret_cast<const uint8_t *>(m_bytes.data()),
141 reinterpret_cast<const uint8_t *>(m_bytes.data() +
145 const void *EventDataBytes::GetBytes() const {
146 return (m_bytes.empty() ? nullptr : m_bytes.data());
149 size_t EventDataBytes::GetByteSize() const { return m_bytes.size(); }
151 void EventDataBytes::SetBytes(const void *src, size_t src_len) {
152 if (src != nullptr && src_len > 0)
153 m_bytes.assign((const char *)src, src_len);
158 void EventDataBytes::SetBytesFromCString(const char *cstr) {
159 if (cstr != nullptr && cstr[0])
160 m_bytes.assign(cstr);
165 const void *EventDataBytes::GetBytesFromEvent(const Event *event_ptr) {
166 const EventDataBytes *e = GetEventDataFromEvent(event_ptr);
168 return e->GetBytes();
172 size_t EventDataBytes::GetByteSizeFromEvent(const Event *event_ptr) {
173 const EventDataBytes *e = GetEventDataFromEvent(event_ptr);
175 return e->GetByteSize();
179 const EventDataBytes *
180 EventDataBytes::GetEventDataFromEvent(const Event *event_ptr) {
181 if (event_ptr != nullptr) {
182 const EventData *event_data = event_ptr->GetData();
184 event_data->GetFlavor() == EventDataBytes::GetFlavorString())
185 return static_cast<const EventDataBytes *>(event_data);
190 void EventDataBytes::SwapBytes(std::string &new_bytes) {
191 m_bytes.swap(new_bytes);
195 #pragma mark EventStructuredData
197 //------------------------------------------------------------------
198 // EventDataStructuredData definitions
199 //------------------------------------------------------------------
201 EventDataStructuredData::EventDataStructuredData()
202 : EventData(), m_process_sp(), m_object_sp(), m_plugin_sp() {}
204 EventDataStructuredData::EventDataStructuredData(
205 const ProcessSP &process_sp, const StructuredData::ObjectSP &object_sp,
206 const lldb::StructuredDataPluginSP &plugin_sp)
207 : EventData(), m_process_sp(process_sp), m_object_sp(object_sp),
208 m_plugin_sp(plugin_sp) {}
210 EventDataStructuredData::~EventDataStructuredData() {}
212 //------------------------------------------------------------------
213 // EventDataStructuredData member functions
214 //------------------------------------------------------------------
216 const ConstString &EventDataStructuredData::GetFlavor() const {
217 return EventDataStructuredData::GetFlavorString();
220 void EventDataStructuredData::Dump(Stream *s) const {
225 m_object_sp->Dump(*s);
228 const ProcessSP &EventDataStructuredData::GetProcess() const {
232 const StructuredData::ObjectSP &EventDataStructuredData::GetObject() const {
236 const lldb::StructuredDataPluginSP &
237 EventDataStructuredData::GetStructuredDataPlugin() const {
241 void EventDataStructuredData::SetProcess(const ProcessSP &process_sp) {
242 m_process_sp = process_sp;
245 void EventDataStructuredData::SetObject(
246 const StructuredData::ObjectSP &object_sp) {
247 m_object_sp = object_sp;
250 void EventDataStructuredData::SetStructuredDataPlugin(
251 const lldb::StructuredDataPluginSP &plugin_sp) {
252 m_plugin_sp = plugin_sp;
255 //------------------------------------------------------------------
256 // EventDataStructuredData static functions
257 //------------------------------------------------------------------
259 const EventDataStructuredData *
260 EventDataStructuredData::GetEventDataFromEvent(const Event *event_ptr) {
261 if (event_ptr == nullptr)
264 const EventData *event_data = event_ptr->GetData();
266 event_data->GetFlavor() != EventDataStructuredData::GetFlavorString())
269 return static_cast<const EventDataStructuredData *>(event_data);
272 ProcessSP EventDataStructuredData::GetProcessFromEvent(const Event *event_ptr) {
273 auto event_data = EventDataStructuredData::GetEventDataFromEvent(event_ptr);
275 return event_data->GetProcess();
280 StructuredData::ObjectSP
281 EventDataStructuredData::GetObjectFromEvent(const Event *event_ptr) {
282 auto event_data = EventDataStructuredData::GetEventDataFromEvent(event_ptr);
284 return event_data->GetObject();
286 return StructuredData::ObjectSP();
289 lldb::StructuredDataPluginSP
290 EventDataStructuredData::GetPluginFromEvent(const Event *event_ptr) {
291 auto event_data = EventDataStructuredData::GetEventDataFromEvent(event_ptr);
293 return event_data->GetStructuredDataPlugin();
295 return StructuredDataPluginSP();
298 const ConstString &EventDataStructuredData::GetFlavorString() {
299 static ConstString s_flavor("EventDataStructuredData");