Reland of DevTools: extract V8DebuggerAgent interface, move it under .../inspector/v8

third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.h

Index: third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.h
diff --git a/third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.h b/third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.h
new file mode 100644
index 0000000000000000000000000000000000000000..14921119baa7ae697e1f40e6850406b5cf71eebc
--- /dev/null
+++ b/third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.h
@@ -0,0 +1,248 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8DebuggerAgentImpl_h
+#define V8DebuggerAgentImpl_h
+
+#include "bindings/core/v8/ScriptState.h"
+#include "bindings/core/v8/ScriptValue.h"
+#include "core/CoreExport.h"
+#include "core/InspectorFrontend.h"
+#include "core/inspector/InspectorBaseAgent.h"
+#include "core/inspector/PromiseTracker.h"
+#include "core/inspector/v8/ScriptBreakpoint.h"
+#include "core/inspector/v8/V8DebuggerAgent.h"
+#include "core/inspector/v8/V8DebuggerListener.h"
+#include "wtf/Forward.h"
+#include "wtf/HashMap.h"
+#include "wtf/HashSet.h"
+#include "wtf/ListHashSet.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/Vector.h"
+#include "wtf/text/StringHash.h"
+
+namespace blink {
+
+class AsyncCallChain;
+class AsyncCallStack;
+class DevToolsFunctionInfo;
+class InjectedScript;
+class InjectedScriptManager;
+class JavaScriptCallFrame;
+class JSONObject;
+class RemoteCallFrameId;
+class ScriptAsyncCallStack;
+class ScriptRegexp;
+class V8AsyncCallTracker;
+class V8Debugger;
+
+typedef String ErrorString;
+
+class CORE_EXPORT V8DebuggerAgentImpl
+    : public NoBaseWillBeGarbageCollectedFinalized<V8DebuggerAgentImpl>
+    , public V8DebuggerAgent
+    , public V8DebuggerListener
+    , public InspectorBackendDispatcher::DebuggerCommandHandler
+    , public PromiseTracker::Listener {
+    WTF_MAKE_NONCOPYABLE(V8DebuggerAgentImpl);
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(V8DebuggerAgentImpl);
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(V8DebuggerAgentImpl);
+public:
+    V8DebuggerAgentImpl(InjectedScriptManager*, V8Debugger*, V8DebuggerAgent::Client*, int contextGroupId);
+    ~V8DebuggerAgentImpl() override;
+    DECLARE_TRACE();
+
+    void setInspectorState(InspectorState* state) override { m_state = state; }
+    void setFrontend(InspectorFrontend::Debugger* frontend) override { m_frontend = frontend; }
+    void clearFrontend() override;
+    void restore() override;
+    void disable(ErrorString*) final;
+
+    bool isPaused() override;
+
+    // Part of the protocol.
+    void enable(ErrorString*) override;
+    void setBreakpointsActive(ErrorString*, bool active) final;
+    void setSkipAllPauses(ErrorString*, bool skipped) final;
+
+    void setBreakpointByUrl(ErrorString*, int lineNumber, const String* optionalURL, const String* optionalURLRegex, const int* optionalColumnNumber, const String* optionalCondition, TypeBuilder::Debugger::BreakpointId*, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::Location>>& locations) final;
+    void setBreakpoint(ErrorString*, const RefPtr<JSONObject>& location, const String* optionalCondition, TypeBuilder::Debugger::BreakpointId*, RefPtr<TypeBuilder::Debugger::Location>& actualLocation) final;
+    void removeBreakpoint(ErrorString*, const String& breakpointId) final;
+    void continueToLocation(ErrorString*, const RefPtr<JSONObject>& location, const bool* interstateLocationOpt) final;
+    void getStepInPositions(ErrorString*, const String& callFrameId, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::Location>>& positions) final;
+    void getBacktrace(ErrorString*, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::CallFrame>>&, RefPtr<TypeBuilder::Debugger::StackTrace>&) final;
+    void searchInContent(ErrorString*, const String& scriptId, const String& query, const bool* optionalCaseSensitive, const bool* optionalIsRegex, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::SearchMatch>>&) final;
+    void canSetScriptSource(ErrorString*, bool* result) final { *result = true; }
+    void setScriptSource(ErrorString*, RefPtr<TypeBuilder::Debugger::SetScriptSourceError>&, const String& scriptId, const String& newContent, const bool* preview, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::CallFrame>>& newCallFrames, TypeBuilder::OptOutput<bool>* stackChanged, RefPtr<TypeBuilder::Debugger::StackTrace>& asyncStackTrace) final;
+    void restartFrame(ErrorString*, const String& callFrameId, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::CallFrame>>& newCallFrames, RefPtr<TypeBuilder::Debugger::StackTrace>& asyncStackTrace) final;
+    void getScriptSource(ErrorString*, const String& scriptId, String* scriptSource) final;
+    void getFunctionDetails(ErrorString*, const String& functionId, RefPtr<TypeBuilder::Debugger::FunctionDetails>&) final;
+    void getGeneratorObjectDetails(ErrorString*, const String& objectId, RefPtr<TypeBuilder::Debugger::GeneratorObjectDetails>&) final;
+    void getCollectionEntries(ErrorString*, const String& objectId, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::CollectionEntry>>&) final;
+    void pause(ErrorString*) final;
+    void resume(ErrorString*) final;
+    void stepOver(ErrorString*) final;
+    void stepInto(ErrorString*) final;
+    void stepOut(ErrorString*) final;
+    void stepIntoAsync(ErrorString*) final;
+    void setPauseOnExceptions(ErrorString*, const String& pauseState) final;
+    void evaluateOnCallFrame(ErrorString*,
+        const String& callFrameId,
+        const String& expression,
+        const String* objectGroup,
+        const bool* includeCommandLineAPI,
+        const bool* doNotPauseOnExceptionsAndMuteConsole,
+        const bool* returnByValue,
+        const bool* generatePreview,
+        RefPtr<TypeBuilder::Runtime::RemoteObject>& result,
+        TypeBuilder::OptOutput<bool>* wasThrown,
+        RefPtr<TypeBuilder::Debugger::ExceptionDetails>&) final;
+    void compileScript(ErrorString*, const String& expression, const String& sourceURL, bool persistScript, const int* executionContextId, TypeBuilder::OptOutput<TypeBuilder::Debugger::ScriptId>*, RefPtr<TypeBuilder::Debugger::ExceptionDetails>&) override;
+    void runScript(ErrorString*, const TypeBuilder::Debugger::ScriptId&, const int* executionContextId, const String* objectGroup, const bool* doNotPauseOnExceptionsAndMuteConsole, RefPtr<TypeBuilder::Runtime::RemoteObject>& result, RefPtr<TypeBuilder::Debugger::ExceptionDetails>&) override;
+    void setVariableValue(ErrorString*, int in_scopeNumber, const String& in_variableName, const RefPtr<JSONObject>& in_newValue, const String* in_callFrame, const String* in_functionObjectId) final;
+    void skipStackFrames(ErrorString*, const String* pattern, const bool* skipContentScripts) final;
+    void setAsyncCallStackDepth(ErrorString*, int depth) final;
+    void enablePromiseTracker(ErrorString*, const bool* captureStacks) final;
+    void disablePromiseTracker(ErrorString*) final;
+    void getPromiseById(ErrorString*, int promiseId, const String* objectGroup, RefPtr<TypeBuilder::Runtime::RemoteObject>& promise) final;
+    void flushAsyncOperationEvents(ErrorString*) final;
+    void setAsyncOperationBreakpoint(ErrorString*, int operationId) final;
+    void removeAsyncOperationBreakpoint(ErrorString*, int operationId) final;
+
+    void schedulePauseOnNextStatement(InspectorFrontend::Debugger::Reason::Enum breakReason, PassRefPtr<JSONObject> data) override;
+    void cancelPauseOnNextStatement() override;
+    bool canBreakProgram() override;
+    void breakProgram(InspectorFrontend::Debugger::Reason::Enum breakReason, PassRefPtr<JSONObject> data) override;
+    void willExecuteScript(int scriptId) override;
+    void didExecuteScript() override;
+
+    bool enabled() override;
+    V8Debugger& debugger() override { return *m_debugger; }
+
+    void setBreakpoint(const String& scriptId, int lineNumber, int columnNumber, BreakpointSource, const String& condition = String()) override;
+    void removeBreakpoint(const String& scriptId, int lineNumber, int columnNumber, BreakpointSource) override;
+
+    // Async call stacks implementation
+    PassRefPtrWillBeRawPtr<ScriptAsyncCallStack> currentAsyncStackTraceForConsole() override;
+    int traceAsyncOperationStarting(const String& description) override;
+    void traceAsyncCallbackStarting(int operationId) override;
+    void traceAsyncCallbackCompleted() override;
+    void traceAsyncOperationCompleted(int operationId) override;
+    bool trackingAsyncCalls() const override { return m_maxAsyncCallStackDepth; }
+
+    // PromiseTracker::Listener
+    void didUpdatePromise(InspectorFrontend::Debugger::EventType::Enum, PassRefPtr<TypeBuilder::Debugger::PromiseDetails>) final;
+
+    InjectedScript injectedScriptForEval(ErrorString*, const int* executionContextId) override;
+    InjectedScriptManager* injectedScriptManager()  override { return m_injectedScriptManager; }
+    void reset() override;
+
+private:
+    bool checkEnabled(ErrorString*);
+    void enable();
+
+    SkipPauseRequest didPause(v8::Local<v8::Context>, v8::Local<v8::Object> callFrames, v8::Local<v8::Value> exception, const Vector<String>& hitBreakpoints, bool isPromiseRejection) final;
+    void didContinue() final;
+
+    SkipPauseRequest shouldSkipExceptionPause();
+    SkipPauseRequest shouldSkipStepPause();
+
+    void schedulePauseOnNextStatementIfSteppingInto();
+
+    PassRefPtr<TypeBuilder::Array<TypeBuilder::Debugger::CallFrame>> currentCallFrames();
+    PassRefPtr<TypeBuilder::Debugger::StackTrace> currentAsyncStackTrace();
+    bool callStackForId(ErrorString*, const RemoteCallFrameId&, v8::Local<v8::Object>* callStack, bool* isAsync);
+
+    void clearCurrentAsyncOperation();
+    void resetAsyncCallTracker();
+
+    void changeJavaScriptRecursionLevel(int step);
+
+    void didParseSource(const ParsedScript&) final;
+    bool v8AsyncTaskEventsEnabled() const final;
+    void didReceiveV8AsyncTaskEvent(v8::Local<v8::Context>, const String& eventType, const String& eventName, int id) final;
+    bool v8PromiseEventsEnabled() const final;
+    void didReceiveV8PromiseEvent(v8::Local<v8::Context>, v8::Local<v8::Object> promise, v8::Local<v8::Value> parentPromise, int status) final;
+
+    void setPauseOnExceptionsImpl(ErrorString*, int);
+
+    PassRefPtr<TypeBuilder::Debugger::Location> resolveBreakpoint(const String& breakpointId, const String& scriptId, const ScriptBreakpoint&, BreakpointSource);
+    void removeBreakpoint(const String& breakpointId);
+    void clearStepIntoAsync();
+    bool assertPaused(ErrorString*);
+    void clearBreakDetails();
+
+    String sourceMapURLForScript(const Script&, CompileResult);
+
+    bool isCallStackEmptyOrBlackboxed();
+    bool isTopCallFrameBlackboxed();
+    bool isCallFrameWithUnknownScriptOrBlackboxed(PassRefPtr<JavaScriptCallFrame>);
+
+    void internalSetAsyncCallStackDepth(int);
+    void increaseCachedSkipStackGeneration();
+    PassRefPtr<TypeBuilder::Debugger::ExceptionDetails> createExceptionDetails(v8::Isolate*, v8::Local<v8::Message>);
+
+    typedef HashMap<String, Script> ScriptsMap;
+    typedef HashMap<String, Vector<String>> BreakpointIdToDebuggerBreakpointIdsMap;
+    typedef HashMap<String, std::pair<String, BreakpointSource>> DebugServerBreakpointToBreakpointIdAndSourceMap;
+
+    enum DebuggerStep {
+        NoStep = 0,
+        StepInto,
+        StepOver,
+        StepOut
+    };
+
+    RawPtrWillBeMember<InjectedScriptManager> m_injectedScriptManager;
+    V8Debugger* m_debugger;
+    V8DebuggerAgent::Client* m_client;
+    int m_contextGroupId;
+    InspectorState* m_state;
+    InspectorFrontend::Debugger* m_frontend;
+    v8::Isolate* m_isolate;
+    RefPtr<ScriptState> m_pausedScriptState;
+    v8::Global<v8::Object> m_currentCallStack;
+    ScriptsMap m_scripts;
+    BreakpointIdToDebuggerBreakpointIdsMap m_breakpointIdToDebuggerBreakpointIds;
+    DebugServerBreakpointToBreakpointIdAndSourceMap m_serverBreakpoints;
+    String m_continueToLocationBreakpointId;
+    InspectorFrontend::Debugger::Reason::Enum m_breakReason;
+    RefPtr<JSONObject> m_breakAuxData;
+    DebuggerStep m_scheduledDebuggerStep;
+    bool m_skipNextDebuggerStepOut;
+    bool m_javaScriptPauseScheduled;
+    bool m_steppingFromFramework;
+    bool m_pausingOnNativeEvent;
+    bool m_pausingOnAsyncOperation;
+
+    int m_skippedStepFrameCount;
+    int m_recursionLevelForStepOut;
+    int m_recursionLevelForStepFrame;
+    bool m_skipAllPauses;
+    bool m_skipContentScripts;
+    OwnPtr<ScriptRegexp> m_cachedSkipStackRegExp;
+    unsigned m_cachedSkipStackGeneration;
+    // This field must be destroyed before the listeners set above.
+    OwnPtrWillBeMember<V8AsyncCallTracker> m_v8AsyncCallTracker;
+    OwnPtrWillBeMember<PromiseTracker> m_promiseTracker;
+
+    using AsyncOperationIdToAsyncCallChain = WillBeHeapHashMap<int, RefPtrWillBeMember<AsyncCallChain>>;
+    AsyncOperationIdToAsyncCallChain m_asyncOperations;
+    int m_lastAsyncOperationId;
+    ListHashSet<int> m_asyncOperationNotifications;
+    HashSet<int> m_asyncOperationBreakpoints;
+    HashSet<int> m_pausingAsyncOperations;
+    unsigned m_maxAsyncCallStackDepth;
+    RefPtrWillBeMember<AsyncCallChain> m_currentAsyncCallChain;
+    unsigned m_nestedAsyncCallCount;
+    int m_currentAsyncOperationId;
+    bool m_pendingTraceAsyncOperationCompleted;
+    bool m_startingStepIntoAsync;
+    V8GlobalValueMap<String, v8::Script, v8::kNotWeak> m_compiledScripts;
+};
+
+} // namespace blink
+
+
+#endif // V8DebuggerAgentImpl_h