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| 1 // Copyright 2016 The Chromium 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 V8Debugger_h | |
| 6 #define V8Debugger_h | |
| 7 | |
| 8 #include "platform/v8_inspector/Allocator.h" | |
| 9 #include "platform/v8_inspector/JavaScriptCallFrame.h" | |
| 10 #include "platform/v8_inspector/V8DebuggerScript.h" | |
| 11 #include "platform/v8_inspector/protocol/Forward.h" | |
| 12 #include "platform/v8_inspector/protocol/Runtime.h" | |
| 13 #include "platform/v8_inspector/public/StringView.h" | |
| 14 #include "platform/v8_inspector/public/V8ContextInfo.h" | |
| 15 | |
| 16 #include <v8-debug.h> | |
| 17 #include <v8.h> | |
| 18 #include <vector> | |
| 19 | |
| 20 namespace v8_inspector { | |
| 21 | |
| 22 struct ScriptBreakpoint; | |
| 23 class V8DebuggerAgentImpl; | |
| 24 class V8InspectorImpl; | |
| 25 class V8StackTraceImpl; | |
| 26 | |
| 27 using protocol::ErrorString; | |
| 28 | |
| 29 class V8Debugger { | |
| 30 V8_INSPECTOR_DISALLOW_COPY(V8Debugger); | |
| 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&, in
t* actualLineNumber, int* actualColumnNumber); | |
| 42 void removeBreakpoint(const String16& breakpointId); | |
| 43 void setBreakpointsActivated(bool); | |
| 44 bool breakpointsActivated() const { return m_breakpointsActivated; } | |
| 45 | |
| 46 enum PauseOnExceptionsState { | |
| 47 DontPauseOnExceptions, | |
| 48 PauseOnAllExceptions, | |
| 49 PauseOnUncaughtExceptions | |
| 50 }; | |
| 51 PauseOnExceptionsState getPauseOnExceptionsState(); | |
| 52 void setPauseOnExceptionsState(PauseOnExceptionsState); | |
| 53 void setPauseOnNextStatement(bool); | |
| 54 bool canBreakProgram(); | |
| 55 void breakProgram(); | |
| 56 void continueProgram(); | |
| 57 void stepIntoStatement(); | |
| 58 void stepOverStatement(); | |
| 59 void stepOutOfFunction(); | |
| 60 void clearStepping(); | |
| 61 | |
| 62 bool setScriptSource(const String16& sourceID, v8::Local<v8::String> newSour
ce, bool dryRun, ErrorString*, protocol::Maybe<protocol::Runtime::ExceptionDetai
ls>*, JavaScriptCallFrames* newCallFrames, protocol::Maybe<bool>* stackChanged); | |
| 63 JavaScriptCallFrames currentCallFrames(int limit = 0); | |
| 64 | |
| 65 // Each script inherits debug data from v8::Context where it has been compil
ed. | |
| 66 // Only scripts whose debug data matches |contextGroupId| will be reported. | |
| 67 // Passing 0 will result in reporting all scripts. | |
| 68 void getCompiledScripts(int contextGroupId, std::vector<std::unique_ptr<V8De
buggerScript>>&); | |
| 69 void enable(); | |
| 70 void disable(); | |
| 71 | |
| 72 bool isPaused(); | |
| 73 v8::Local<v8::Context> pausedContext() { return m_pausedContext; } | |
| 74 | |
| 75 int maxAsyncCallChainDepth() { return m_maxAsyncCallStackDepth; } | |
| 76 V8StackTraceImpl* currentAsyncCallChain(); | |
| 77 void setAsyncCallStackDepth(V8DebuggerAgentImpl*, int); | |
| 78 std::unique_ptr<V8StackTraceImpl> createStackTrace(v8::Local<v8::StackTrace>
); | |
| 79 std::unique_ptr<V8StackTraceImpl> captureStackTrace(bool fullStack); | |
| 80 | |
| 81 v8::MaybeLocal<v8::Array> internalProperties(v8::Local<v8::Context>, v8::Loc
al<v8::Value>); | |
| 82 | |
| 83 void asyncTaskScheduled(const StringView& taskName, void* task, bool recurri
ng); | |
| 84 void asyncTaskScheduled(const String16& taskName, void* task, bool recurring
); | |
| 85 void asyncTaskCanceled(void* task); | |
| 86 void asyncTaskStarted(void* task); | |
| 87 void asyncTaskFinished(void* task); | |
| 88 void allAsyncTasksCanceled(); | |
| 89 | |
| 90 void muteScriptParsedEvents(); | |
| 91 void unmuteScriptParsedEvents(); | |
| 92 | |
| 93 private: | |
| 94 void compileDebuggerScript(); | |
| 95 v8::MaybeLocal<v8::Value> callDebuggerMethod(const char* functionName, int a
rgc, v8::Local<v8::Value> argv[]); | |
| 96 v8::Local<v8::Context> debuggerContext() const; | |
| 97 void clearBreakpoints(); | |
| 98 | |
| 99 static void breakProgramCallback(const v8::FunctionCallbackInfo<v8::Value>&)
; | |
| 100 void handleProgramBreak(v8::Local<v8::Context> pausedContext, v8::Local<v8::
Object> executionState, v8::Local<v8::Value> exception, v8::Local<v8::Array> hit
Breakpoints, bool isPromiseRejection = false); | |
| 101 static void v8DebugEventCallback(const v8::Debug::EventDetails&); | |
| 102 v8::Local<v8::Value> callInternalGetterFunction(v8::Local<v8::Object>, const
char* functionName); | |
| 103 void handleV8DebugEvent(const v8::Debug::EventDetails&); | |
| 104 void handleV8AsyncTaskEvent(v8::Local<v8::Context>, v8::Local<v8::Object> ex
ecutionState, v8::Local<v8::Object> eventData); | |
| 105 | |
| 106 v8::Local<v8::Value> collectionEntries(v8::Local<v8::Context>, v8::Local<v8:
:Object>); | |
| 107 v8::Local<v8::Value> generatorObjectLocation(v8::Local<v8::Context>, v8::Loc
al<v8::Object>); | |
| 108 v8::Local<v8::Value> functionLocation(v8::Local<v8::Context>, v8::Local<v8::
Function>); | |
| 109 v8::MaybeLocal<v8::Value> functionScopes(v8::Local<v8::Context>, v8::Local<v
8::Function>); | |
| 110 | |
| 111 v8::Isolate* m_isolate; | |
| 112 V8InspectorImpl* m_inspector; | |
| 113 int m_lastContextId; | |
| 114 int m_enableCount; | |
| 115 bool m_breakpointsActivated; | |
| 116 v8::Global<v8::Object> m_debuggerScript; | |
| 117 v8::Global<v8::Context> m_debuggerContext; | |
| 118 v8::Local<v8::Object> m_executionState; | |
| 119 v8::Local<v8::Context> m_pausedContext; | |
| 120 bool m_runningNestedMessageLoop; | |
| 121 int m_ignoreScriptParsedEventsCounter; | |
| 122 | |
| 123 using AsyncTaskToStackTrace = protocol::HashMap<void*, std::unique_ptr<V8Sta
ckTraceImpl>>; | |
| 124 AsyncTaskToStackTrace m_asyncTaskStacks; | |
| 125 protocol::HashSet<void*> m_recurringTasks; | |
| 126 int m_maxAsyncCallStackDepth; | |
| 127 std::vector<void*> m_currentTasks; | |
| 128 std::vector<std::unique_ptr<V8StackTraceImpl>> m_currentStacks; | |
| 129 protocol::HashMap<V8DebuggerAgentImpl*, int> m_maxAsyncCallStackDepthMap; | |
| 130 }; | |
| 131 | |
| 132 } // namespace v8_inspector | |
| 133 | |
| 134 #endif // V8Debugger_h | |
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