Revert of [inspector] Initial import of v8_inspector.

src/inspector/V8InjectedScriptHost.cpp

-// 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.
-
-#include "src/inspector/V8InjectedScriptHost.h"
-
-#include "src/inspector/InjectedScriptNative.h"
-#include "src/inspector/StringUtil.h"
-#include "src/inspector/V8Compat.h"
-#include "src/inspector/V8Debugger.h"
-#include "src/inspector/V8InspectorImpl.h"
-#include "src/inspector/V8InternalValueType.h"
-#include "src/inspector/V8ValueCopier.h"
-#include "src/inspector/public/V8InspectorClient.h"
-
-namespace v8_inspector {
-
-namespace {
-
-void setFunctionProperty(v8::Local<v8::Context> context, v8::Local<v8::Object> obj, const char* name, v8::FunctionCallback callback, v8::Local<v8::External> external)
-{
-    v8::Local<v8::String> funcName = toV8StringInternalized(context->GetIsolate(), name);
-    v8::Local<v8::Function> func;
-    if (!V8_FUNCTION_NEW_REMOVE_PROTOTYPE(context, callback, external, 0).ToLocal(&func))
-        return;
-    func->SetName(funcName);
-    createDataProperty(context, obj, funcName, func);
-}
-
-V8InspectorImpl* unwrapInspector(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    DCHECK(!info.Data().IsEmpty());
-    DCHECK(info.Data()->IsExternal());
-    V8InspectorImpl* inspector = static_cast<V8InspectorImpl*>(info.Data().As<v8::External>()->Value());
-    DCHECK(inspector);
-    return inspector;
-}
-
-} // namespace
-
-v8::Local<v8::Object> V8InjectedScriptHost::create(v8::Local<v8::Context> context, V8InspectorImpl* inspector)
-{
-    v8::Isolate* isolate = inspector->isolate();
-    v8::Local<v8::Object> injectedScriptHost = v8::Object::New(isolate);
-    bool success = injectedScriptHost->SetPrototype(context, v8::Null(isolate)).FromMaybe(false);
-    DCHECK(success);
-    v8::Local<v8::External> debuggerExternal = v8::External::New(isolate, inspector);
-    setFunctionProperty(context, injectedScriptHost, "internalConstructorName", V8InjectedScriptHost::internalConstructorNameCallback, debuggerExternal);
-    setFunctionProperty(context, injectedScriptHost, "formatAccessorsAsProperties", V8InjectedScriptHost::formatAccessorsAsProperties, debuggerExternal);
-    setFunctionProperty(context, injectedScriptHost, "subtype", V8InjectedScriptHost::subtypeCallback, debuggerExternal);
-    setFunctionProperty(context, injectedScriptHost, "getInternalProperties", V8InjectedScriptHost::getInternalPropertiesCallback, debuggerExternal);
-    setFunctionProperty(context, injectedScriptHost, "objectHasOwnProperty", V8InjectedScriptHost::objectHasOwnPropertyCallback, debuggerExternal);
-    setFunctionProperty(context, injectedScriptHost, "bind", V8InjectedScriptHost::bindCallback, debuggerExternal);
-    setFunctionProperty(context, injectedScriptHost, "proxyTargetValue", V8InjectedScriptHost::proxyTargetValueCallback, 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>();
-    info.GetReturnValue().Set(object->GetConstructorName());
-}
-
-void V8InjectedScriptHost::formatAccessorsAsProperties(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    DCHECK_EQ(info.Length(), 2);
-    info.GetReturnValue().Set(false);
-    if (!info[1]->IsFunction())
-        return;
-    // Check that function is user-defined.
-    if (info[1].As<v8::Function>()->ScriptId() != v8::UnboundScript::kNoScriptId)
-        return;
-    info.GetReturnValue().Set(unwrapInspector(info)->client()->formatAccessorsAsProperties(info[0]));
-}
-
-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->IsObject()) {
-        v8::Local<v8::Value> internalType = v8InternalValueTypeFrom(isolate->GetCurrentContext(), v8::Local<v8::Object>::Cast(value));
-        if (internalType->IsString()) {
-            info.GetReturnValue().Set(internalType);
-            return;
-        }
-    }
-    if (value->IsArray() || value->IsArgumentsObject()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "array"));
-        return;
-    }
-    if (value->IsTypedArray()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "typedarray"));
-        return;
-    }
-    if (value->IsDate()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "date"));
-        return;
-    }
-    if (value->IsRegExp()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "regexp"));
-        return;
-    }
-    if (value->IsMap() || value->IsWeakMap()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "map"));
-        return;
-    }
-    if (value->IsSet() || value->IsWeakSet()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "set"));
-        return;
-    }
-    if (value->IsMapIterator() || value->IsSetIterator()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "iterator"));
-        return;
-    }
-    if (value->IsGeneratorObject()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "generator"));
-        return;
-    }
-    if (value->IsNativeError()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "error"));
-        return;
-    }
-    if (value->IsProxy()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "proxy"));
-        return;
-    }
-    if (value->IsPromise()) {
-        info.GetReturnValue().Set(toV8StringInternalized(isolate, "promise"));
-        return;
-    }
-    std::unique_ptr<StringBuffer> subtype = unwrapInspector(info)->client()->valueSubtype(value);
-    if (subtype) {
-        info.GetReturnValue().Set(toV8String(isolate, subtype->string()));
-        return;
-    }
-}
-
-void V8InjectedScriptHost::getInternalPropertiesCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    if (info.Length() < 1)
-        return;
-    v8::Local<v8::Array> properties;
-    if (unwrapInspector(info)->debugger()->internalProperties(info.GetIsolate()->GetCurrentContext(), info[0]).ToLocal(&properties))
-        info.GetReturnValue().Set(properties);
-}
-
-void V8InjectedScriptHost::objectHasOwnPropertyCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    if (info.Length() < 2 || !info[0]->IsObject() || !info[1]->IsString())
-        return;
-    bool result = info[0].As<v8::Object>()->HasOwnProperty(info.GetIsolate()->GetCurrentContext(), v8::Local<v8::String>::Cast(info[1])).FromMaybe(false);
-    info.GetReturnValue().Set(v8::Boolean::New(info.GetIsolate(), result));
-}
-
-void V8InjectedScriptHost::bindCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    if (info.Length() < 2 || !info[1]->IsString())
-        return;
-    InjectedScriptNative* injectedScriptNative = InjectedScriptNative::fromInjectedScriptHost(info.Holder());
-    if (!injectedScriptNative)
-        return;
-
-    v8::Local<v8::String> v8groupName = info[1]->ToString(info.GetIsolate());
-    String16 groupName = toProtocolStringWithTypeCheck(v8groupName);
-    int id = injectedScriptNative->bind(info[0], groupName);
-    info.GetReturnValue().Set(id);
-}
-
-void V8InjectedScriptHost::proxyTargetValueCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    if (info.Length() != 1 || !info[0]->IsProxy()) {
-        NOTREACHED();
-        return;
-    }
-    v8::Local<v8::Object> target = info[0].As<v8::Proxy>();
-    while (target->IsProxy())
-        target = v8::Local<v8::Proxy>::Cast(target)->GetTarget();
-    info.GetReturnValue().Set(target);
-}
-
-} // namespace v8_inspector