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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef V8_INSPECTOR_V8DEBUGGER_H_ | |
| 6 #define V8_INSPECTOR_V8DEBUGGER_H_ | |
| 7 | |
| 8 #include "src/base/macros.h" | |
| 9 #include "src/inspector/JavaScriptCallFrame.h" | |
| 10 #include "src/inspector/V8DebuggerScript.h" | |
| 11 #include "src/inspector/protocol/Forward.h" | |
| 12 #include "src/inspector/protocol/Runtime.h" | |
| 13 | |
| 14 #include "include/v8-debug.h" | |
| 15 #include "include/v8-inspector.h" | |
| 16 | |
| 17 #include <vector> | |
| 18 | |
| 19 namespace v8_inspector { | |
| 20 | |
| 21 struct ScriptBreakpoint; | |
| 22 class V8DebuggerAgentImpl; | |
| 23 class V8InspectorImpl; | |
| 24 class V8StackTraceImpl; | |
| 25 | |
| 26 using protocol::ErrorString; | |
| 27 | |
| 28 class V8Debugger { | |
| 29 DISALLOW_COPY_AND_ASSIGN(V8Debugger); | |
| 30 | |
| 31 public: | |
| 32 V8Debugger(v8::Isolate*, V8InspectorImpl*); | |
| 33 ~V8Debugger(); | |
| 34 | |
| 35 static int contextId(v8::Local<v8::Context>); | |
| 36 static int getGroupId(v8::Local<v8::Context>); | |
| 37 int markContext(const V8ContextInfo&); | |
| 38 | |
| 39 bool enabled() const; | |
| 40 | |
| 41 String16 setBreakpoint(const String16& sourceID, const ScriptBreakpoint&, | |
| 42 int* actualLineNumber, int* actualColumnNumber); | |
| 43 void removeBreakpoint(const String16& breakpointId); | |
| 44 void setBreakpointsActivated(bool); | |
| 45 bool breakpointsActivated() const { return m_breakpointsActivated; } | |
| 46 | |
| 47 enum PauseOnExceptionsState { | |
| 48 DontPauseOnExceptions, | |
| 49 PauseOnAllExceptions, | |
| 50 PauseOnUncaughtExceptions | |
| 51 }; | |
| 52 PauseOnExceptionsState getPauseOnExceptionsState(); | |
| 53 void setPauseOnExceptionsState(PauseOnExceptionsState); | |
| 54 void setPauseOnNextStatement(bool); | |
| 55 bool canBreakProgram(); | |
| 56 void breakProgram(); | |
| 57 void continueProgram(); | |
| 58 void stepIntoStatement(); | |
| 59 void stepOverStatement(); | |
| 60 void stepOutOfFunction(); | |
| 61 void clearStepping(); | |
| 62 | |
| 63 bool setScriptSource(const String16& sourceID, | |
| 64 v8::Local<v8::String> newSource, bool dryRun, | |
| 65 ErrorString*, | |
| 66 protocol::Maybe<protocol::Runtime::ExceptionDetails>*, | |
| 67 JavaScriptCallFrames* newCallFrames, | |
| 68 protocol::Maybe<bool>* stackChanged); | |
| 69 JavaScriptCallFrames currentCallFrames(int limit = 0); | |
| 70 | |
| 71 // Each script inherits debug data from v8::Context where it has been | |
| 72 // compiled. | |
| 73 // Only scripts whose debug data matches |contextGroupId| will be reported. | |
| 74 // Passing 0 will result in reporting all scripts. | |
| 75 void getCompiledScripts(int contextGroupId, | |
| 76 std::vector<std::unique_ptr<V8DebuggerScript>>&); | |
| 77 void enable(); | |
| 78 void disable(); | |
| 79 | |
| 80 bool isPaused(); | |
| 81 v8::Local<v8::Context> pausedContext() { return m_pausedContext; } | |
| 82 | |
| 83 int maxAsyncCallChainDepth() { return m_maxAsyncCallStackDepth; } | |
| 84 V8StackTraceImpl* currentAsyncCallChain(); | |
| 85 void setAsyncCallStackDepth(V8DebuggerAgentImpl*, int); | |
| 86 std::unique_ptr<V8StackTraceImpl> createStackTrace(v8::Local<v8::StackTrace>); | |
| 87 std::unique_ptr<V8StackTraceImpl> captureStackTrace(bool fullStack); | |
| 88 | |
| 89 v8::MaybeLocal<v8::Array> internalProperties(v8::Local<v8::Context>, | |
| 90 v8::Local<v8::Value>); | |
| 91 | |
| 92 void asyncTaskScheduled(const StringView& taskName, void* task, | |
| 93 bool recurring); | |
| 94 void asyncTaskScheduled(const String16& taskName, void* task, bool recurring); | |
| 95 void asyncTaskCanceled(void* task); | |
| 96 void asyncTaskStarted(void* task); | |
| 97 void asyncTaskFinished(void* task); | |
| 98 void allAsyncTasksCanceled(); | |
| 99 | |
| 100 void muteScriptParsedEvents(); | |
| 101 void unmuteScriptParsedEvents(); | |
| 102 | |
| 103 V8InspectorImpl* inspector() { return m_inspector; } | |
| 104 | |
| 105 private: | |
| 106 void compileDebuggerScript(); | |
| 107 v8::MaybeLocal<v8::Value> callDebuggerMethod(const char* functionName, | |
| 108 int argc, | |
| 109 v8::Local<v8::Value> argv[]); | |
| 110 v8::Local<v8::Context> debuggerContext() const; | |
| 111 void clearBreakpoints(); | |
| 112 | |
| 113 static void breakProgramCallback(const v8::FunctionCallbackInfo<v8::Value>&); | |
| 114 void handleProgramBreak(v8::Local<v8::Context> pausedContext, | |
| 115 v8::Local<v8::Object> executionState, | |
| 116 v8::Local<v8::Value> exception, | |
| 117 v8::Local<v8::Array> hitBreakpoints, | |
| 118 bool isPromiseRejection = false); | |
| 119 static void v8DebugEventCallback(const v8::Debug::EventDetails&); | |
| 120 v8::Local<v8::Value> callInternalGetterFunction(v8::Local<v8::Object>, | |
| 121 const char* functionName); | |
| 122 void handleV8DebugEvent(const v8::Debug::EventDetails&); | |
| 123 void handleV8AsyncTaskEvent(v8::Local<v8::Context>, | |
| 124 v8::Local<v8::Object> executionState, | |
| 125 v8::Local<v8::Object> eventData); | |
| 126 | |
| 127 v8::Local<v8::Value> collectionEntries(v8::Local<v8::Context>, | |
| 128 v8::Local<v8::Object>); | |
| 129 v8::Local<v8::Value> generatorObjectLocation(v8::Local<v8::Context>, | |
| 130 v8::Local<v8::Object>); | |
| 131 v8::Local<v8::Value> functionLocation(v8::Local<v8::Context>, | |
| 132 v8::Local<v8::Function>); | |
| 133 v8::MaybeLocal<v8::Value> functionScopes(v8::Local<v8::Context>, | |
| 134 v8::Local<v8::Function>); | |
| 135 | |
| 136 v8::Isolate* m_isolate; | |
| 137 V8InspectorImpl* m_inspector; | |
| 138 int m_lastContextId; | |
| 139 int m_enableCount; | |
| 140 bool m_breakpointsActivated; | |
| 141 v8::Global<v8::Object> m_debuggerScript; | |
| 142 v8::Global<v8::Context> m_debuggerContext; | |
| 143 v8::Local<v8::Object> m_executionState; | |
| 144 v8::Local<v8::Context> m_pausedContext; | |
| 145 bool m_runningNestedMessageLoop; | |
| 146 int m_ignoreScriptParsedEventsCounter; | |
| 147 | |
| 148 using AsyncTaskToStackTrace = | |
| 149 protocol::HashMap<void*, std::unique_ptr<V8StackTraceImpl>>; | |
| 150 AsyncTaskToStackTrace m_asyncTaskStacks; | |
| 151 protocol::HashSet<void*> m_recurringTasks; | |
| 152 int m_maxAsyncCallStackDepth; | |
| 153 std::vector<void*> m_currentTasks; | |
| 154 std::vector<std::unique_ptr<V8StackTraceImpl>> m_currentStacks; | |
| 155 protocol::HashMap<V8DebuggerAgentImpl*, int> m_maxAsyncCallStackDepthMap; | |
| 156 }; | |
| 157 | |
| 158 } // namespace v8_inspector | |
| 159 | |
| 160 #endif // V8_INSPECTOR_V8DEBUGGER_H_ | |
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