[DevTools] Removed InjectedScriptHost

third_party/WebKit/Source/platform/v8_inspector/V8InjectedScriptHost.cpp

 // 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.
 
 #include "platform/v8_inspector/V8InjectedScriptHost.h"
 
 #include "platform/inspector_protocol/String16.h"
-#include "platform/inspector_protocol/Values.h"
-#include "platform/v8_inspector/InjectedScript.h"
-#include "platform/v8_inspector/InjectedScriptHost.h"
-#include "platform/v8_inspector/InspectorWrapper.h"
-#include "platform/v8_inspector/JavaScriptCallFrame.h"
+#include "platform/v8_inspector/InjectedScriptNative.h"
 #include "platform/v8_inspector/V8Compat.h"
 #include "platform/v8_inspector/V8DebuggerImpl.h"
 #include "platform/v8_inspector/V8StringUtil.h"
 #include "platform/v8_inspector/public/V8DebuggerClient.h"
 #include "platform/v8_inspector/public/V8EventListenerInfo.h"
-#include "platform/v8_inspector/public/V8ToProtocolValue.h"
-#include <algorithm>
 
 namespace blink {
 
 namespace {
 
-template<typename CallbackInfo, typename S>
-inline void v8SetReturnValue(const CallbackInfo& info, const v8::Local<S> handle)
+void setFunctionProperty(v8::Local<v8::Context> context, v8::Local<v8::Object> obj, const char* name, v8::FunctionCallback callback, v8::Local<v8::External> external)
 {
-    info.GetReturnValue().Set(handle);
+    v8::Local<v8::String> funcName = toV8StringInternalized(context->GetIsolate(), name);
+    v8::Local<v8::Function> func;
+    if (!v8::Function::New(context, callback, external).ToLocal(&func))
+        return;
+    func->SetName(funcName);
+    if (!obj->Set(context, funcName, func).FromMaybe(false))
+        return;
 }
 
-template<typename CallbackInfo, typename S>
-inline void v8SetReturnValue(const CallbackInfo& info, v8::MaybeLocal<S> maybe)
+V8DebuggerImpl* unwrapDebugger(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    if (LIKELY(!maybe.IsEmpty()))
-        info.GetReturnValue().Set(maybe.ToLocalChecked());
+    ASSERT(!info.Data().IsEmpty());
+    ASSERT(!info.Data()->IsExternal());

[dgozman, 2016/04/27 18:28:54]

ASSERT(info.Data()->IsExternal());

[kozy, 2016/04/27 18:41:51]

Done.

+    v8::Local<v8::External> debuggerExternal = info.Data().As<v8::External>();
+    V8DebuggerImpl* debugger = static_cast<V8DebuggerImpl*>(debuggerExternal.As<v8::External>()->Value());

[dgozman, 2016/04/27 18:28:54]

redundant .As<v8::External>

[kozy, 2016/04/27 18:41:51]

Done.

+    ASSERT(debugger);
+    return debugger;
 }
 
-template<typename CallbackInfo>
-inline void v8SetReturnValue(const CallbackInfo& info, bool value)
+} // namespace
+
+v8::Local<v8::Object> V8InjectedScriptHost::create(V8DebuggerImpl* debugger)
 {
-    info.GetReturnValue().Set(value);
-}
-
+    v8::Isolate* isolate = debugger->isolate();
+    v8::Local<v8::Context> context = isolate->GetCurrentContext();

[dgozman, 2016/04/27 18:28:54]

Let's pass context for the case we create injected script while handling
protocol command.

[kozy, 2016/04/27 18:41:51]

Done.

+    v8::Local<v8::Object> injectedScriptHost = v8::Object::New(isolate);
+    v8::Local<v8::External> debuggerExternal = v8::External::New(isolate, debugger);
+    setFunctionProperty(context, injectedScriptHost, "internalConstructorName", V8InjectedScriptHost::internalConstructorNameCallback, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "formatAccessorsAsProperties", V8InjectedScriptHost::formatAccessorsAsProperties, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "isTypedArray", V8InjectedScriptHost::isTypedArrayCallback, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "subtype", V8InjectedScriptHost::subtypeCallback, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "collectionEntries", V8InjectedScriptHost::collectionEntriesCallback, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "getInternalProperties", V8InjectedScriptHost::getInternalPropertiesCallback, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "getEventListeners", V8InjectedScriptHost::getEventListenersCallback, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "suppressWarningsAndCallFunction", V8InjectedScriptHost::suppressWarningsAndCallFunctionCallback, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "setNonEnumProperty", V8InjectedScriptHost::setNonEnumPropertyCallback, debuggerExternal);
+    setFunctionProperty(context, injectedScriptHost, "bind", V8InjectedScriptHost::bindCallback, debuggerExternal);
+    return injectedScriptHost;
 }
 
 void V8InjectedScriptHost::internalConstructorNameCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1 || !info[0]->IsObject())
         return;
 
     v8::Local<v8::Object> object = info[0].As<v8::Object>();
-    v8::Local<v8::String> result = object->GetConstructorName();
-
-    v8SetReturnValue(info, result);
+    info.GetReturnValue().Set(object->GetConstructorName());
 }
 
 void V8InjectedScriptHost::formatAccessorsAsProperties(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1)
         return;
 
-    InjectedScriptHost* host = V8InjectedScriptHost::unwrap(info.GetIsolate()->GetCurrentContext(), info.Holder());
-    if (!host->debugger())
-        return;
-    v8SetReturnValue(info, host->debugger()->client()->formatAccessorsAsProperties(info[0]));
+    info.GetReturnValue().Set(unwrapDebugger(info)->client()->formatAccessorsAsProperties(info[0]));
 }
 
 void V8InjectedScriptHost::isTypedArrayCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1)
         return;
-    v8SetReturnValue(info, info[0]->IsTypedArray());
+
+    info.GetReturnValue().Set(info[0]->IsTypedArray());
 }
 
 void V8InjectedScriptHost::subtypeCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1)
         return;
+
     v8::Isolate* isolate = info.GetIsolate();
-
     v8::Local<v8::Value> value = info[0];
     if (value->IsArray() || value->IsTypedArray() || value->IsArgumentsObject()) {
-        v8SetReturnValue(info, toV8StringInternalized(isolate, "array"));
+        info.GetReturnValue().Set(toV8StringInternalized(isolate, "array"));
         return;
     }
     if (value->IsDate()) {
-        v8SetReturnValue(info, toV8StringInternalized(isolate, "date"));
+        info.GetReturnValue().Set(toV8StringInternalized(isolate, "date"));
         return;
     }
     if (value->IsRegExp()) {
-        v8SetReturnValue(info, toV8StringInternalized(isolate, "regexp"));
+        info.GetReturnValue().Set(toV8StringInternalized(isolate, "regexp"));
         return;
     }
     if (value->IsMap() || value->IsWeakMap()) {
-        v8SetReturnValue(info, toV8StringInternalized(isolate, "map"));
+        info.GetReturnValue().Set(toV8StringInternalized(isolate, "map"));
         return;
     }
     if (value->IsSet() || value->IsWeakSet()) {
-        v8SetReturnValue(info, toV8StringInternalized(isolate, "set"));
+        info.GetReturnValue().Set(toV8StringInternalized(isolate, "set"));
         return;
     }
     if (value->IsMapIterator() || value->IsSetIterator()) {
-        v8SetReturnValue(info, toV8StringInternalized(isolate, "iterator"));
+        info.GetReturnValue().Set(toV8StringInternalized(isolate, "iterator"));
         return;
     }
     if (value->IsGeneratorObject()) {
-        v8SetReturnValue(info, toV8StringInternalized(isolate, "generator"));
+        info.GetReturnValue().Set(toV8StringInternalized(isolate, "generator"));
         return;
     }
 
     if (value->IsNativeError()) {
-        v8SetReturnValue(info, toV8StringInternalized(isolate, "error"));
+        info.GetReturnValue().Set(toV8StringInternalized(isolate, "error"));
         return;
     }
-
-    InjectedScriptHost* host = V8InjectedScriptHost::unwrap(info.GetIsolate()->GetCurrentContext(), info.Holder());
-    if (!host->debugger())
-        return;
-    String16 subtype = host->debugger()->client()->valueSubtype(value);
+    String16 subtype = unwrapDebugger(info)->client()->valueSubtype(value);
     if (!subtype.isEmpty()) {
-        v8SetReturnValue(info, toV8String(isolate, subtype));
+        info.GetReturnValue().Set(toV8String(isolate, subtype));
         return;
     }
 }
 
 void V8InjectedScriptHost::collectionEntriesCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1 || !info[0]->IsObject())
         return;
 
-    v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(info[0]);
-
-    InjectedScriptHost* host = V8InjectedScriptHost::unwrap(info.GetIsolate()->GetCurrentContext(), info.Holder());
-    if (!host->debugger())
-        return;
-    v8SetReturnValue(info, host->debugger()->collectionEntries(object));
+    v8::Local<v8::Object> object = info[0].As<v8::Object>();
+    info.GetReturnValue().Set(unwrapDebugger(info)->collectionEntries(object));
 }
 
 void V8InjectedScriptHost::getInternalPropertiesCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1 || !info[0]->IsObject())
         return;
 
-    v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(info[0]);
-    v8::MaybeLocal<v8::Array> properties = v8::Debug::GetInternalProperties(info.GetIsolate(), object);
-    v8SetReturnValue(info, properties);
+    v8::Local<v8::Object> object = info[0].As<v8::Object>();
+    v8::Local<v8::Array> properties;
+    if (v8::Debug::GetInternalProperties(info.GetIsolate(), object).ToLocal(&properties))
+        info.GetReturnValue().Set(properties);
 }
 
 static v8::Local<v8::Array> wrapListenerFunctions(v8::Isolate* isolate, const V8EventListenerInfoList& listeners, const String16& type)
 {
     v8::Local<v8::Array> result = v8::Array::New(isolate);
     size_t handlersCount = listeners.size();
     for (size_t i = 0, outputIndex = 0; i < handlersCount; ++i) {
         if (listeners[i].eventType != type)
             continue;
         v8::Local<v8::Object> function = listeners[i].handler;
         v8::Local<v8::Object> listenerEntry = v8::Object::New(isolate);
         listenerEntry->Set(toV8StringInternalized(isolate, "listener"), function);
         listenerEntry->Set(toV8StringInternalized(isolate, "useCapture"), v8::Boolean::New(isolate, listeners[i].useCapture));
         listenerEntry->Set(toV8StringInternalized(isolate, "passive"), v8::Boolean::New(isolate, listeners[i].passive));
         result->Set(v8::Number::New(isolate, outputIndex++), listenerEntry);
     }
     return result;
 }
 
 void V8InjectedScriptHost::getEventListenersCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1)
         return;
 
-    InjectedScriptHost* host = V8InjectedScriptHost::unwrap(info.GetIsolate()->GetCurrentContext(), info.Holder());
-    if (!host->debugger())
-        return;
-    V8DebuggerClient* client = host->debugger()->client();
+    V8DebuggerClient* client = unwrapDebugger(info)->client();
     V8EventListenerInfoList listenerInfo;
     client->eventListeners(info[0], listenerInfo);
 
     v8::Local<v8::Object> result = v8::Object::New(info.GetIsolate());
     protocol::HashSet<String16> types;
     for (auto& info : listenerInfo)
         types.add(info.eventType);
     for (const auto& it : types) {
         v8::Local<v8::Array> listeners = wrapListenerFunctions(info.GetIsolate(), listenerInfo, it.first);
         if (!listeners->Length())
             continue;
         result->Set(toV8String(info.GetIsolate(), it.first), listeners);
     }
-
-    v8SetReturnValue(info, result);
+    info.GetReturnValue().Set(result);
 }
 
-void V8InjectedScriptHost::callFunctionCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8InjectedScriptHost::suppressWarningsAndCallFunctionCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    if (info.Length() < 2 || info.Length() > 3 || !info[0]->IsFunction()) {
+    if (info.Length() < 2 || info.Length() > 3 || !info[0]->IsFunction() || (info.Length() > 2 && (!info[2]->IsArray() && !info[2]->IsUndefined()))) {

[dgozman, 2016/04/27 18:28:54]

Let's make two early returns.

[kozy, 2016/04/27 18:41:51]

Done.

         ASSERT_NOT_REACHED();
         return;
     }
 
-    v8::MicrotasksScope microtasks(info.GetIsolate(), v8::MicrotasksScope::kDoNotRunMicrotasks);
-    v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(info[0]);
+    v8::Isolate* isolate = info.GetIsolate();
+    v8::Local<v8::Context> context = isolate->GetCurrentContext();
+
+    v8::Local<v8::Function> function = info[0].As<v8::Function>();
     v8::Local<v8::Value> receiver = info[1];
+    OwnPtr<v8::Local<v8::Value>[]> argv = nullptr;
+    size_t argc = 0;
 
-    if (info.Length() < 3 || info[2]->IsUndefined()) {
-        v8::Local<v8::Value> result = function->Call(receiver, 0, 0);
-        v8SetReturnValue(info, result);
-        return;
+    if (info.Length() > 2 && info[2]->IsArray()) {
+        v8::Local<v8::Array> arguments = info[2].As<v8::Array>();
+        argc = arguments->Length();
+        argv = adoptArrayPtr(new v8::Local<v8::Value>[argc]);
+        for (size_t i = 0; i < argc; ++i) {
+            if (!arguments->Get(context, i).ToLocal(&argv[i]))
+                return;
+        }
     }
 
-    if (!info[2]->IsArray()) {
-        ASSERT_NOT_REACHED();
-        return;
-    }
+    V8DebuggerClient* client = unwrapDebugger(info)->client();
+    client->muteWarningsAndDeprecations();
 
-    v8::Local<v8::Array> arguments = v8::Local<v8::Array>::Cast(info[2]);
-    size_t argc = arguments->Length();
-    OwnPtr<v8::Local<v8::Value>[]> argv = adoptArrayPtr(new v8::Local<v8::Value>[argc]);
-    for (size_t i = 0; i < argc; ++i) {
-        if (!arguments->Get(info.GetIsolate()->GetCurrentContext(), v8::Integer::New(info.GetIsolate(), i)).ToLocal(&argv[i]))
-            return;
-    }
+    v8::MicrotasksScope microtasks(isolate, v8::MicrotasksScope::kDoNotRunMicrotasks);
+    v8::Local<v8::Value> result;
+    if (function->Call(context, receiver, argc, argv.get()).ToLocal(&result))
+        info.GetReturnValue().Set(result);
 
-    v8::Local<v8::Value> result = function->Call(receiver, argc, argv.get());
-    v8SetReturnValue(info, result);
-}
-
-void V8InjectedScriptHost::suppressWarningsAndCallFunctionCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    InjectedScriptHost* host = V8InjectedScriptHost::unwrap(info.GetIsolate()->GetCurrentContext(), info.Holder());
-    if (!host->debugger())
-        return;
-    host->debugger()->client()->muteWarningsAndDeprecations();
-    callFunctionCallback(info);
-    host->debugger()->client()->unmuteWarningsAndDeprecations();
+    client->unmuteWarningsAndDeprecations();
 }
 
 void V8InjectedScriptHost::setNonEnumPropertyCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 3 || !info[0]->IsObject() || !info[1]->IsString())
         return;
 
     v8::Local<v8::Object> object = info[0].As<v8::Object>();
     v8::Maybe<bool> success = object->DefineOwnProperty(info.GetIsolate()->GetCurrentContext(), info[1].As<v8::String>(), info[2], v8::DontEnum);
     ASSERT_UNUSED(!success.IsNothing(), !success.IsNothing());
@@ skipping 16 matching lines @@
 v8::Local<v8::Private> V8Debugger::scopeExtensionPrivate(v8::Isolate* isolate)
 {
     return v8::Private::ForApi(isolate, toV8StringInternalized(isolate, "V8Debugger#scopeExtension"));
 }
 
 bool V8Debugger::isRemoteObjectAPIMethod(const String16& name)
 {
     return name == "bindRemoteObject";
 }
 
-namespace {
-
-char hiddenPropertyName[] = "v8inspector::InjectedScriptHost";
-char className[] = "V8InjectedScriptHost";
-using InjectedScriptHostWrapper = InspectorWrapper<InjectedScriptHost, hiddenPropertyName, className>;
-
-const InjectedScriptHostWrapper::V8MethodConfiguration V8InjectedScriptHostMethods[] = {
-    {"internalConstructorName", V8InjectedScriptHost::internalConstructorNameCallback},
-    {"formatAccessorsAsProperties", V8InjectedScriptHost::formatAccessorsAsProperties},
-    {"isTypedArray", V8InjectedScriptHost::isTypedArrayCallback},
-    {"subtype", V8InjectedScriptHost::subtypeCallback},
-    {"collectionEntries", V8InjectedScriptHost::collectionEntriesCallback},
-    {"getInternalProperties", V8InjectedScriptHost::getInternalPropertiesCallback},
-    {"getEventListeners", V8InjectedScriptHost::getEventListenersCallback},
-    {"callFunction", V8InjectedScriptHost::callFunctionCallback},
-    {"suppressWarningsAndCallFunction", V8InjectedScriptHost::suppressWarningsAndCallFunctionCallback},
-    {"setNonEnumProperty", V8InjectedScriptHost::setNonEnumPropertyCallback},
-    {"bind", V8InjectedScriptHost::bindCallback}
-};
-
-} // namespace
-
-v8::Local<v8::FunctionTemplate> V8InjectedScriptHost::createWrapperTemplate(v8::Isolate* isolate)
-{
-    protocol::Vector<InspectorWrapperBase::V8MethodConfiguration> methods(WTF_ARRAY_LENGTH(V8InjectedScriptHostMethods));
-    std::copy(V8InjectedScriptHostMethods, V8InjectedScriptHostMethods + WTF_ARRAY_LENGTH(V8InjectedScriptHostMethods), methods.begin());
-    protocol::Vector<InspectorWrapperBase::V8AttributeConfiguration> attributes;
-    return InjectedScriptHostWrapper::createWrapperTemplate(isolate, methods, attributes);
-}
-
-v8::Local<v8::Object> V8InjectedScriptHost::wrap(v8::Local<v8::FunctionTemplate> constructorTemplate, v8::Local<v8::Context> context, InjectedScriptHost* host)
-{
-    return InjectedScriptHostWrapper::wrap(constructorTemplate, context, host);
-}
-
-InjectedScriptHost* V8InjectedScriptHost::unwrap(v8::Local<v8::Context> context, v8::Local<v8::Object> object)
-{
-    return InjectedScriptHostWrapper::unwrap(context, object);
-}
-
 } // namespace blink