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1 /*
2  * Copyright (c) 2010, Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef V8_INSPECTOR_V8INSPECTORIMPL_H_
32 #define V8_INSPECTOR_V8INSPECTORIMPL_H_
33 
34 #include <vector>
35 
36 #include "src/base/macros.h"
37 #include "src/inspector/protocol/Protocol.h"
38 
39 #include "include/v8-inspector.h"
40 
41 namespace v8_inspector {
42 
43 class InspectedContext;
44 class V8ConsoleMessageStorage;
45 class V8Debugger;
46 class V8DebuggerAgentImpl;
47 class V8InspectorSessionImpl;
48 class V8ProfilerAgentImpl;
49 class V8RuntimeAgentImpl;
50 class V8StackTraceImpl;
51 
52 class V8InspectorImpl : public V8Inspector {
53  public:
54   V8InspectorImpl(v8::Isolate*, V8InspectorClient*);
55   ~V8InspectorImpl() override;
56 
isolate()57   v8::Isolate* isolate() const { return m_isolate; }
client()58   V8InspectorClient* client() { return m_client; }
debugger()59   V8Debugger* debugger() { return m_debugger.get(); }
60   int contextGroupId(v8::Local<v8::Context>);
61   int contextGroupId(int contextId);
62 
63   v8::MaybeLocal<v8::Value> runCompiledScript(v8::Local<v8::Context>,
64                                               v8::Local<v8::Script>);
65   v8::MaybeLocal<v8::Value> callFunction(v8::Local<v8::Function>,
66                                          v8::Local<v8::Context>,
67                                          v8::Local<v8::Value> receiver,
68                                          int argc, v8::Local<v8::Value> info[]);
69   v8::MaybeLocal<v8::Value> compileAndRunInternalScript(v8::Local<v8::Context>,
70                                                         v8::Local<v8::String>);
71   v8::MaybeLocal<v8::Value> callInternalFunction(v8::Local<v8::Function>,
72                                                  v8::Local<v8::Context>,
73                                                  v8::Local<v8::Value> receiver,
74                                                  int argc,
75                                                  v8::Local<v8::Value> info[]);
76   v8::MaybeLocal<v8::Script> compileScript(v8::Local<v8::Context>,
77                                            const String16& code,
78                                            const String16& fileName);
79   v8::Local<v8::Context> regexContext();
80 
81   // V8Inspector implementation.
82   std::unique_ptr<V8InspectorSession> connect(int contextGroupId,
83                                               V8Inspector::Channel*,
84                                               const StringView& state) override;
85   void contextCreated(const V8ContextInfo&) override;
86   void contextDestroyed(v8::Local<v8::Context>) override;
87   void resetContextGroup(int contextGroupId) override;
88   void willExecuteScript(v8::Local<v8::Context>, int scriptId) override;
89   void didExecuteScript(v8::Local<v8::Context>) override;
90   void idleStarted() override;
91   void idleFinished() override;
92   unsigned exceptionThrown(v8::Local<v8::Context>, const StringView& message,
93                            v8::Local<v8::Value> exception,
94                            const StringView& detailedMessage,
95                            const StringView& url, unsigned lineNumber,
96                            unsigned columnNumber, std::unique_ptr<V8StackTrace>,
97                            int scriptId) override;
98   void exceptionRevoked(v8::Local<v8::Context>, unsigned exceptionId,
99                         const StringView& message) override;
100   std::unique_ptr<V8StackTrace> createStackTrace(
101       v8::Local<v8::StackTrace>) override;
102   std::unique_ptr<V8StackTrace> captureStackTrace(bool fullStack) override;
103   void asyncTaskScheduled(const StringView& taskName, void* task,
104                           bool recurring) override;
105   void asyncTaskCanceled(void* task) override;
106   void asyncTaskStarted(void* task) override;
107   void asyncTaskFinished(void* task) override;
108   void allAsyncTasksCanceled() override;
109 
nextExceptionId()110   unsigned nextExceptionId() { return ++m_lastExceptionId; }
111   void enableStackCapturingIfNeeded();
112   void disableStackCapturingIfNeeded();
113   void muteExceptions(int contextGroupId);
114   void unmuteExceptions(int contextGroupId);
115   V8ConsoleMessageStorage* ensureConsoleMessageStorage(int contextGroupId);
116   bool hasConsoleMessageStorage(int contextGroupId);
117   using ContextByIdMap =
118       protocol::HashMap<int, std::unique_ptr<InspectedContext>>;
119   void discardInspectedContext(int contextGroupId, int contextId);
120   const ContextByIdMap* contextGroup(int contextGroupId);
121   void disconnect(V8InspectorSessionImpl*);
122   V8InspectorSessionImpl* sessionForContextGroup(int contextGroupId);
123   InspectedContext* getContext(int groupId, int contextId) const;
124   V8DebuggerAgentImpl* enabledDebuggerAgentForGroup(int contextGroupId);
125   V8RuntimeAgentImpl* enabledRuntimeAgentForGroup(int contextGroupId);
126   V8ProfilerAgentImpl* enabledProfilerAgentForGroup(int contextGroupId);
127 
128  private:
129   v8::MaybeLocal<v8::Value> callFunction(
130       v8::Local<v8::Function>, v8::Local<v8::Context>,
131       v8::Local<v8::Value> receiver, int argc, v8::Local<v8::Value> info[],
132       v8::MicrotasksScope::Type runMicrotasks);
133 
134   v8::Isolate* m_isolate;
135   V8InspectorClient* m_client;
136   std::unique_ptr<V8Debugger> m_debugger;
137   v8::Global<v8::Context> m_regexContext;
138   int m_capturingStackTracesCount;
139   unsigned m_lastExceptionId;
140   int m_lastContextId;
141 
142   using MuteExceptionsMap = protocol::HashMap<int, int>;
143   MuteExceptionsMap m_muteExceptionsMap;
144 
145   using ContextsByGroupMap =
146       protocol::HashMap<int, std::unique_ptr<ContextByIdMap>>;
147   ContextsByGroupMap m_contexts;
148 
149   using SessionMap = protocol::HashMap<int, V8InspectorSessionImpl*>;
150   SessionMap m_sessions;
151 
152   using ConsoleStorageMap =
153       protocol::HashMap<int, std::unique_ptr<V8ConsoleMessageStorage>>;
154   ConsoleStorageMap m_consoleStorageMap;
155 
156   protocol::HashMap<int, int> m_contextIdToGroupIdMap;
157 
158   DISALLOW_COPY_AND_ASSIGN(V8InspectorImpl);
159 };
160 
161 }  // namespace v8_inspector
162 
163 #endif  // V8_INSPECTOR_V8INSPECTORIMPL_H_
164