third_party/blink/renderer/core/inspector/worker_thread_debugger.cc - chromium/src - Git at Google

 /*
  * Copyright (c) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "third_party/blink/renderer/core/inspector/worker_thread_debugger.h"

 #include "third_party/blink/renderer/bindings/core/v8/source_location.h"
 #include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
 #include "third_party/blink/renderer/bindings/core/v8/v8_script_runner.h"
 #include "third_party/blink/renderer/bindings/core/v8/worker_or_worklet_script_controller.h"
 #include "third_party/blink/renderer/core/events/error_event.h"
 #include "third_party/blink/renderer/core/inspector/console_message.h"
 #include "third_party/blink/renderer/core/inspector/console_message_storage.h"
 #include "third_party/blink/renderer/core/inspector/identifiers_factory.h"
 #include "third_party/blink/renderer/core/inspector/v8_inspector_string.h"
 #include "third_party/blink/renderer/core/workers/threaded_worklet_global_scope.h"
 #include "third_party/blink/renderer/core/workers/worker_global_scope.h"
 #include "third_party/blink/renderer/core/workers/worker_reporting_proxy.h"
 #include "third_party/blink/renderer/core/workers/worker_thread.h"
 #include "third_party/blink/renderer/platform/bindings/script_state.h"
 #include "third_party/blink/renderer/platform/bindings/v8_per_isolate_data.h"
 #include "v8/include/v8.h"

 namespace blink {

 namespace {

 const int kInvalidContextGroupId = 0;

 }  // namespace

 WorkerThreadDebugger* WorkerThreadDebugger::From(v8::Isolate* isolate) {
   ThreadDebugger* debugger = ThreadDebugger::From(isolate);
   if (!debugger)
     return nullptr;
   DCHECK(debugger->IsWorker());
   return static_cast<WorkerThreadDebugger*>(debugger);
 }

 WorkerThreadDebugger::WorkerThreadDebugger(v8::Isolate* isolate)
     : ThreadDebugger(isolate),
       paused_context_group_id_(kInvalidContextGroupId) {}

 WorkerThreadDebugger::~WorkerThreadDebugger() {
   DCHECK(worker_threads_.IsEmpty());
 }

 void WorkerThreadDebugger::ReportConsoleMessage(ExecutionContext* context,
                                                 MessageSource source,
                                                 MessageLevel level,
                                                 const String& message,
                                                 SourceLocation* location) {
   if (!context)
     return;
   ToWorkerOrWorkletGlobalScope(context)
       ->GetThread()
       ->GetWorkerReportingProxy()
       .ReportConsoleMessage(source, level, message, location);
 }

 int WorkerThreadDebugger::ContextGroupId(WorkerThread* worker_thread) {
   return worker_thread->GetWorkerThreadId();
 }

 void WorkerThreadDebugger::WorkerThreadCreated(WorkerThread* worker_thread) {
   int worker_context_group_id = ContextGroupId(worker_thread);
   DCHECK(!worker_threads_.Contains(worker_context_group_id));
   worker_threads_.insert(worker_context_group_id, worker_thread);
 }

 void WorkerThreadDebugger::WorkerThreadDestroyed(WorkerThread* worker_thread) {
   int worker_context_group_id = ContextGroupId(worker_thread);
   DCHECK(worker_threads_.Contains(worker_context_group_id));
   worker_threads_.erase(worker_context_group_id);
 }

 void WorkerThreadDebugger::ContextCreated(WorkerThread* worker_thread,
                                           const KURL& url_for_debugger,
                                           v8::Local<v8::Context> context) {
   int worker_context_group_id = ContextGroupId(worker_thread);
   DCHECK(worker_threads_.Contains(worker_context_group_id));
   v8_inspector::V8ContextInfo context_info(context, worker_context_group_id,
                                            v8_inspector::StringView());
   String origin = url_for_debugger;
   context_info.origin = ToV8InspectorStringView(origin);
   GetV8Inspector()->contextCreated(context_info);
 }

 void WorkerThreadDebugger::ContextWillBeDestroyed(
     WorkerThread* worker_thread,
     v8::Local<v8::Context> context) {
   int worker_context_group_id = ContextGroupId(worker_thread);
   DCHECK(worker_threads_.Contains(worker_context_group_id));
   GetV8Inspector()->contextDestroyed(context);
 }

 void WorkerThreadDebugger::ExceptionThrown(WorkerThread* worker_thread,
                                            ErrorEvent* event) {
   worker_thread->GetWorkerReportingProxy().ReportConsoleMessage(
       kJSMessageSource, kErrorMessageLevel, event->MessageForConsole(),
       event->Location());

   const String default_message = "Uncaught";
   ScriptState* script_state =
       worker_thread->GlobalScope()->ScriptController()->GetScriptState();
   if (script_state && script_state->ContextIsValid()) {
     ScriptState::Scope scope(script_state);
     v8::Local<v8::Value> exception = LoadExceptionForInspector(
         script_state, event, script_state->GetContext()->Global());
     SourceLocation* location = event->Location();
     String message = event->MessageForConsole();
     String url = location->Url();
     GetV8Inspector()->exceptionThrown(
         script_state->GetContext(), ToV8InspectorStringView(default_message),
         exception, ToV8InspectorStringView(message),
         ToV8InspectorStringView(url), location->LineNumber(),
         location->ColumnNumber(), location->TakeStackTrace(),
         location->ScriptId());
   }
 }

 int WorkerThreadDebugger::ContextGroupId(ExecutionContext* context) {
   return ContextGroupId(ToWorkerOrWorkletGlobalScope(context)->GetThread());
 }

 void WorkerThreadDebugger::runMessageLoopOnPause(int context_group_id) {
   DCHECK_EQ(kInvalidContextGroupId, paused_context_group_id_);
   DCHECK(worker_threads_.Contains(context_group_id));
   paused_context_group_id_ = context_group_id;
   worker_threads_.at(context_group_id)
       ->StartRunningDebuggerTasksOnPauseOnWorkerThread();
 }

 void WorkerThreadDebugger::quitMessageLoopOnPause() {
   DCHECK_NE(kInvalidContextGroupId, paused_context_group_id_);
   DCHECK(worker_threads_.Contains(paused_context_group_id_));
   worker_threads_.at(paused_context_group_id_)
       ->StopRunningDebuggerTasksOnPauseOnWorkerThread();
   paused_context_group_id_ = kInvalidContextGroupId;
 }

 void WorkerThreadDebugger::muteMetrics(int context_group_id) {
   DCHECK(worker_threads_.Contains(context_group_id));
 }

 void WorkerThreadDebugger::unmuteMetrics(int context_group_id) {
   DCHECK(worker_threads_.Contains(context_group_id));
 }

 v8::Local<v8::Context> WorkerThreadDebugger::ensureDefaultContextInGroup(
     int context_group_id) {
   DCHECK(worker_threads_.Contains(context_group_id));
   ScriptState* script_state = worker_threads_.at(context_group_id)
                                   ->GlobalScope()
                                   ->ScriptController()
                                   ->GetScriptState();
   return script_state ? script_state->GetContext() : v8::Local<v8::Context>();
 }

 void WorkerThreadDebugger::beginEnsureAllContextsInGroup(int context_group_id) {
   DCHECK(worker_threads_.Contains(context_group_id));
 }

 void WorkerThreadDebugger::endEnsureAllContextsInGroup(int context_group_id) {
   DCHECK(worker_threads_.Contains(context_group_id));
 }

 bool WorkerThreadDebugger::canExecuteScripts(int context_group_id) {
   DCHECK(worker_threads_.Contains(context_group_id));
   return true;
 }

 void WorkerThreadDebugger::runIfWaitingForDebugger(int context_group_id) {
   DCHECK(worker_threads_.Contains(context_group_id));
   worker_threads_.at(context_group_id)
       ->StopRunningDebuggerTasksOnPauseOnWorkerThread();
 }

 void WorkerThreadDebugger::consoleAPIMessage(
     int context_group_id,
     v8::Isolate::MessageErrorLevel level,
     const v8_inspector::StringView& message,
     const v8_inspector::StringView& url,
     unsigned line_number,
     unsigned column_number,
     v8_inspector::V8StackTrace* stack_trace) {
   DCHECK(worker_threads_.Contains(context_group_id));
   WorkerThread* worker_thread = worker_threads_.at(context_group_id);
   std::unique_ptr<SourceLocation> location =
       SourceLocation::Create(ToCoreString(url), line_number, column_number,
                              stack_trace ? stack_trace->clone() : nullptr, 0);
   worker_thread->GetWorkerReportingProxy().ReportConsoleMessage(
       kConsoleAPIMessageSource, V8MessageLevelToMessageLevel(level),
       ToCoreString(message), location.get());
 }

 void WorkerThreadDebugger::consoleClear(int context_group_id) {
   DCHECK(worker_threads_.Contains(context_group_id));
   WorkerThread* worker_thread = worker_threads_.at(context_group_id);
   worker_thread->GetConsoleMessageStorage()->Clear();
 }

 v8::MaybeLocal<v8::Value> WorkerThreadDebugger::memoryInfo(
     v8::Isolate*,
     v8::Local<v8::Context>) {
   NOTREACHED();
   return v8::MaybeLocal<v8::Value>();
 }

 }  // namespace blink
	/*
	* Copyright (c) 2011 Google Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are
	* met:
	*
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following disclaimer
	* in the documentation and/or other materials provided with the
	* distribution.
	* * Neither the name of Google Inc. nor the names of its
	* contributors may be used to endorse or promote products derived from
	* this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "third_party/blink/renderer/core/inspector/worker_thread_debugger.h"

	#include "third_party/blink/renderer/bindings/core/v8/source_location.h"
	#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
	#include "third_party/blink/renderer/bindings/core/v8/v8_script_runner.h"
	#include "third_party/blink/renderer/bindings/core/v8/worker_or_worklet_script_controller.h"
	#include "third_party/blink/renderer/core/events/error_event.h"
	#include "third_party/blink/renderer/core/inspector/console_message.h"
	#include "third_party/blink/renderer/core/inspector/console_message_storage.h"
	#include "third_party/blink/renderer/core/inspector/identifiers_factory.h"
	#include "third_party/blink/renderer/core/inspector/v8_inspector_string.h"
	#include "third_party/blink/renderer/core/workers/threaded_worklet_global_scope.h"
	#include "third_party/blink/renderer/core/workers/worker_global_scope.h"
	#include "third_party/blink/renderer/core/workers/worker_reporting_proxy.h"
	#include "third_party/blink/renderer/core/workers/worker_thread.h"
	#include "third_party/blink/renderer/platform/bindings/script_state.h"
	#include "third_party/blink/renderer/platform/bindings/v8_per_isolate_data.h"
	#include "v8/include/v8.h"

	namespace blink {

	namespace {

	const int kInvalidContextGroupId = 0;

	} // namespace

	WorkerThreadDebugger* WorkerThreadDebugger::From(v8::Isolate* isolate) {
	ThreadDebugger* debugger = ThreadDebugger::From(isolate);
	if (!debugger)
	return nullptr;
	DCHECK(debugger->IsWorker());
	return static_cast<WorkerThreadDebugger*>(debugger);
	}

	WorkerThreadDebugger::WorkerThreadDebugger(v8::Isolate* isolate)
	: ThreadDebugger(isolate),
	paused_context_group_id_(kInvalidContextGroupId) {}

	WorkerThreadDebugger::~WorkerThreadDebugger() {
	DCHECK(worker_threads_.IsEmpty());
	}

	void WorkerThreadDebugger::ReportConsoleMessage(ExecutionContext* context,
	MessageSource source,
	MessageLevel level,
	const String& message,
	SourceLocation* location) {
	if (!context)
	return;
	ToWorkerOrWorkletGlobalScope(context)
	->GetThread()
	->GetWorkerReportingProxy()
	.ReportConsoleMessage(source, level, message, location);
	}

	int WorkerThreadDebugger::ContextGroupId(WorkerThread* worker_thread) {
	return worker_thread->GetWorkerThreadId();
	}

	void WorkerThreadDebugger::WorkerThreadCreated(WorkerThread* worker_thread) {
	int worker_context_group_id = ContextGroupId(worker_thread);
	DCHECK(!worker_threads_.Contains(worker_context_group_id));
	worker_threads_.insert(worker_context_group_id, worker_thread);
	}

	void WorkerThreadDebugger::WorkerThreadDestroyed(WorkerThread* worker_thread) {
	int worker_context_group_id = ContextGroupId(worker_thread);
	DCHECK(worker_threads_.Contains(worker_context_group_id));
	worker_threads_.erase(worker_context_group_id);
	}

	void WorkerThreadDebugger::ContextCreated(WorkerThread* worker_thread,
	const KURL& url_for_debugger,
	v8::Local<v8::Context> context) {
	int worker_context_group_id = ContextGroupId(worker_thread);
	DCHECK(worker_threads_.Contains(worker_context_group_id));
	v8_inspector::V8ContextInfo context_info(context, worker_context_group_id,
	v8_inspector::StringView());
	String origin = url_for_debugger;
	context_info.origin = ToV8InspectorStringView(origin);
	GetV8Inspector()->contextCreated(context_info);
	}

	void WorkerThreadDebugger::ContextWillBeDestroyed(
	WorkerThread* worker_thread,
	v8::Local<v8::Context> context) {
	int worker_context_group_id = ContextGroupId(worker_thread);
	DCHECK(worker_threads_.Contains(worker_context_group_id));
	GetV8Inspector()->contextDestroyed(context);
	}

	void WorkerThreadDebugger::ExceptionThrown(WorkerThread* worker_thread,
	ErrorEvent* event) {
	worker_thread->GetWorkerReportingProxy().ReportConsoleMessage(
	kJSMessageSource, kErrorMessageLevel, event->MessageForConsole(),
	event->Location());

	const String default_message = "Uncaught";
	ScriptState* script_state =
	worker_thread->GlobalScope()->ScriptController()->GetScriptState();
	if (script_state && script_state->ContextIsValid()) {
	ScriptState::Scope scope(script_state);
	v8::Local<v8::Value> exception = LoadExceptionForInspector(
	script_state, event, script_state->GetContext()->Global());
	SourceLocation* location = event->Location();
	String message = event->MessageForConsole();
	String url = location->Url();
	GetV8Inspector()->exceptionThrown(
	script_state->GetContext(), ToV8InspectorStringView(default_message),
	exception, ToV8InspectorStringView(message),
	ToV8InspectorStringView(url), location->LineNumber(),
	location->ColumnNumber(), location->TakeStackTrace(),
	location->ScriptId());
	}
	}

	int WorkerThreadDebugger::ContextGroupId(ExecutionContext* context) {
	return ContextGroupId(ToWorkerOrWorkletGlobalScope(context)->GetThread());
	}

	void WorkerThreadDebugger::runMessageLoopOnPause(int context_group_id) {
	DCHECK_EQ(kInvalidContextGroupId, paused_context_group_id_);
	DCHECK(worker_threads_.Contains(context_group_id));
	paused_context_group_id_ = context_group_id;
	worker_threads_.at(context_group_id)
	->StartRunningDebuggerTasksOnPauseOnWorkerThread();
	}

	void WorkerThreadDebugger::quitMessageLoopOnPause() {
	DCHECK_NE(kInvalidContextGroupId, paused_context_group_id_);
	DCHECK(worker_threads_.Contains(paused_context_group_id_));
	worker_threads_.at(paused_context_group_id_)
	->StopRunningDebuggerTasksOnPauseOnWorkerThread();
	paused_context_group_id_ = kInvalidContextGroupId;
	}

	void WorkerThreadDebugger::muteMetrics(int context_group_id) {
	DCHECK(worker_threads_.Contains(context_group_id));
	}

	void WorkerThreadDebugger::unmuteMetrics(int context_group_id) {
	DCHECK(worker_threads_.Contains(context_group_id));
	}

	v8::Local<v8::Context> WorkerThreadDebugger::ensureDefaultContextInGroup(
	int context_group_id) {
	DCHECK(worker_threads_.Contains(context_group_id));
	ScriptState* script_state = worker_threads_.at(context_group_id)
	->GlobalScope()
	->ScriptController()
	->GetScriptState();
	return script_state ? script_state->GetContext() : v8::Local<v8::Context>();
	}

	void WorkerThreadDebugger::beginEnsureAllContextsInGroup(int context_group_id) {
	DCHECK(worker_threads_.Contains(context_group_id));
	}

	void WorkerThreadDebugger::endEnsureAllContextsInGroup(int context_group_id) {
	DCHECK(worker_threads_.Contains(context_group_id));
	}

	bool WorkerThreadDebugger::canExecuteScripts(int context_group_id) {
	DCHECK(worker_threads_.Contains(context_group_id));
	return true;
	}

	void WorkerThreadDebugger::runIfWaitingForDebugger(int context_group_id) {
	DCHECK(worker_threads_.Contains(context_group_id));
	worker_threads_.at(context_group_id)
	->StopRunningDebuggerTasksOnPauseOnWorkerThread();
	}

	void WorkerThreadDebugger::consoleAPIMessage(
	int context_group_id,
	v8::Isolate::MessageErrorLevel level,
	const v8_inspector::StringView& message,
	const v8_inspector::StringView& url,
	unsigned line_number,
	unsigned column_number,
	v8_inspector::V8StackTrace* stack_trace) {
	DCHECK(worker_threads_.Contains(context_group_id));
	WorkerThread* worker_thread = worker_threads_.at(context_group_id);
	std::unique_ptr<SourceLocation> location =
	SourceLocation::Create(ToCoreString(url), line_number, column_number,
	stack_trace ? stack_trace->clone() : nullptr, 0);
	worker_thread->GetWorkerReportingProxy().ReportConsoleMessage(
	kConsoleAPIMessageSource, V8MessageLevelToMessageLevel(level),
	ToCoreString(message), location.get());
	}

	void WorkerThreadDebugger::consoleClear(int context_group_id) {
	DCHECK(worker_threads_.Contains(context_group_id));
	WorkerThread* worker_thread = worker_threads_.at(context_group_id);
	worker_thread->GetConsoleMessageStorage()->Clear();
	}

	v8::MaybeLocal<v8::Value> WorkerThreadDebugger::memoryInfo(
	v8::Isolate*,
	v8::Local<v8::Context>) {
	NOTREACHED();
	return v8::MaybeLocal<v8::Value>();
	}

	} // namespace blink