[inspector] implemented blackboxing inside v8

src/inspector/v8-debugger-agent-impl.h

 // Copyright 2015 the V8 project 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 V8_INSPECTOR_V8DEBUGGERAGENTIMPL_H_
 #define V8_INSPECTOR_V8DEBUGGERAGENTIMPL_H_
 
 #include <vector>
 
 #include "src/base/macros.h"
+#include "src/debug/interface-types.h"
 #include "src/inspector/java-script-call-frame.h"
 #include "src/inspector/protocol/Debugger.h"
 #include "src/inspector/protocol/Forward.h"
 
 namespace v8_inspector {
 
 struct ScriptBreakpoint;
 class JavaScriptCallFrame;
 class PromiseTracker;
 class V8Debugger;
 class V8DebuggerScript;
 class V8InspectorImpl;
 class V8InspectorSessionImpl;
 class V8Regex;
 class V8StackTraceImpl;
 
 using protocol::Maybe;
 using protocol::Response;
 
 class V8DebuggerAgentImpl : public protocol::Debugger::Backend {
  public:
-  enum SkipPauseRequest {
-    RequestNoSkip,
-    RequestContinue,
-    RequestStepInto,
-    RequestStepOut,
-    RequestStepFrame
-  };
-
   enum BreakpointSource {
     UserBreakpointSource,
     DebugCommandBreakpointSource,
     MonitorCommandBreakpointSource
   };
 
   V8DebuggerAgentImpl(V8InspectorSessionImpl*, protocol::FrontendChannel*,
                       protocol::DictionaryValue* state);
   ~V8DebuggerAgentImpl() override;
   void restore();
@@ skipping 77 matching lines @@
       std::unique_ptr<protocol::DictionaryValue> data);
   void cancelPauseOnNextStatement();
   void breakProgram(const String16& breakReason,
                     std::unique_ptr<protocol::DictionaryValue> data);
   void breakProgramOnException(const String16& breakReason,
                                std::unique_ptr<protocol::DictionaryValue> data);
 
   void reset();
 
   // Interface for V8InspectorImpl
-  SkipPauseRequest didPause(v8::Local<v8::Context>,
-                            v8::Local<v8::Value> exception,
-                            const std::vector<String16>& hitBreakpoints,
-                            bool isPromiseRejection, bool isUncaught,
-                            bool isOOMBreak);
+  bool didPause(v8::Local<v8::Context>, v8::Local<v8::Value> exception,
+                const std::vector<String16>& hitBreakpoints,
+                bool isPromiseRejection, bool isUncaught, bool isOOMBreak);
   void didContinue();
   void didParseSource(std::unique_ptr<V8DebuggerScript>, bool success);
   void willExecuteScript(int scriptId);
   void didExecuteScript();
 
+  bool isFunctionBlackboxed(const String16& scriptId,
+                            const v8::debug::Location& start,
+                            const v8::debug::Location& end);
+
   v8::Isolate* isolate() { return m_isolate; }
 
  private:
   void enableImpl();
 
-  SkipPauseRequest shouldSkipExceptionPause(JavaScriptCallFrame* topCallFrame);
-  SkipPauseRequest shouldSkipStepPause(JavaScriptCallFrame* topCallFrame);
-
   void schedulePauseOnNextStatementIfSteppingInto();
 
   Response currentCallFrames(
       std::unique_ptr<protocol::Array<protocol::Debugger::CallFrame>>*);
   std::unique_ptr<protocol::Runtime::StackTrace> currentAsyncStackTrace();
 
   void changeJavaScriptRecursionLevel(int step);
 
   void setPauseOnExceptionsImpl(int);
 
   std::unique_ptr<protocol::Debugger::Location> resolveBreakpoint(
       const String16& breakpointId, const ScriptBreakpoint&, BreakpointSource);
   void removeBreakpointImpl(const String16& breakpointId);
   void clearBreakDetails();
 
-  bool isCurrentCallStackEmptyOrBlackboxed();
-  bool isTopPausedCallFrameBlackboxed();
-  bool isCallFrameWithUnknownScriptOrBlackboxed(JavaScriptCallFrame*);
-
   void internalSetAsyncCallStackDepth(int);
   void increaseCachedSkipStackGeneration();
 
   Response setBlackboxPattern(const String16& pattern);
+  void resetBlackboxedStateCache();
 
   using ScriptsMap =
       protocol::HashMap<String16, std::unique_ptr<V8DebuggerScript>>;
   using BreakpointIdToDebuggerBreakpointIdsMap =
       protocol::HashMap<String16, std::vector<String16>>;
   using DebugServerBreakpointToBreakpointIdAndSourceMap =
       protocol::HashMap<String16, std::pair<String16, BreakpointSource>>;
   using MuteBreakpoins = protocol::HashMap<String16, std::pair<String16, int>>;
 
   enum DebuggerStep { NoStep = 0, StepInto, StepOver, StepOut };
 
   V8InspectorImpl* m_inspector;
   V8Debugger* m_debugger;
   V8InspectorSessionImpl* m_session;
   bool m_enabled;
   protocol::DictionaryValue* m_state;
   protocol::Debugger::Frontend m_frontend;
   v8::Isolate* m_isolate;
   v8::Global<v8::Context> m_pausedContext;
   JavaScriptCallFrames m_pausedCallFrames;
   ScriptsMap m_scripts;
   BreakpointIdToDebuggerBreakpointIdsMap m_breakpointIdToDebuggerBreakpointIds;
   DebugServerBreakpointToBreakpointIdAndSourceMap m_serverBreakpoints;
   String16 m_continueToLocationBreakpointId;
   String16 m_breakReason;
   std::unique_ptr<protocol::DictionaryValue> m_breakAuxData;
   DebuggerStep m_scheduledDebuggerStep;
-  bool m_skipNextDebuggerStepOut;
   bool m_javaScriptPauseScheduled;
-  bool m_steppingFromFramework;
-  bool m_pausingOnNativeEvent;
 
-  int m_skippedStepFrameCount;
   int m_recursionLevelForStepOut;
-  int m_recursionLevelForStepFrame;
   bool m_skipAllPauses;
 
   std::unique_ptr<V8Regex> m_blackboxPattern;
   protocol::HashMap<String16, std::vector<std::pair<int, int>>>
       m_blackboxedPositions;
 
   DISALLOW_COPY_AND_ASSIGN(V8DebuggerAgentImpl);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8DEBUGGERAGENTIMPL_H_