blob: cfe7fc1532c972d262bab12f022ab729ef66ffeb [file] [log] [blame]
// Copyright 2016 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/v8-console.h"
#include "src/base/macros.h"
#include "src/inspector/injected-script.h"
#include "src/inspector/inspected-context.h"
#include "src/inspector/string-util.h"
#include "src/inspector/v8-console-message.h"
#include "src/inspector/v8-debugger-agent-impl.h"
#include "src/inspector/v8-inspector-impl.h"
#include "src/inspector/v8-inspector-session-impl.h"
#include "src/inspector/v8-profiler-agent-impl.h"
#include "src/inspector/v8-runtime-agent-impl.h"
#include "src/inspector/v8-stack-trace-impl.h"
#include "src/inspector/v8-value-copier.h"
#include "include/v8-inspector.h"
namespace v8_inspector {
namespace {
v8::Local<v8::Private> inspectedContextPrivateKey(v8::Isolate* isolate) {
return v8::Private::ForApi(
isolate, toV8StringInternalized(isolate, "V8Console#InspectedContext"));
}
class ConsoleHelper {
public:
explicit ConsoleHelper(const v8::FunctionCallbackInfo<v8::Value>& info)
: m_info(info),
m_isolate(info.GetIsolate()),
m_context(info.GetIsolate()->GetCurrentContext()),
m_inspectedContext(nullptr),
m_inspectorClient(nullptr) {}
v8::Local<v8::Object> ensureConsole() {
if (m_console.IsEmpty()) {
DCHECK(!m_info.Data().IsEmpty());
DCHECK(!m_info.Data()->IsUndefined());
m_console = m_info.Data().As<v8::Object>();
}
return m_console;
}
InspectedContext* ensureInspectedContext() {
if (m_inspectedContext) return m_inspectedContext;
v8::Local<v8::Object> console = ensureConsole();
v8::Local<v8::Private> key = inspectedContextPrivateKey(m_isolate);
v8::Local<v8::Value> inspectedContextValue;
if (!console->GetPrivate(m_context, key).ToLocal(&inspectedContextValue))
return nullptr;
DCHECK(inspectedContextValue->IsExternal());
m_inspectedContext = static_cast<InspectedContext*>(
inspectedContextValue.As<v8::External>()->Value());
return m_inspectedContext;
}
V8InspectorClient* ensureDebuggerClient() {
if (m_inspectorClient) return m_inspectorClient;
InspectedContext* inspectedContext = ensureInspectedContext();
if (!inspectedContext) return nullptr;
m_inspectorClient = inspectedContext->inspector()->client();
return m_inspectorClient;
}
void reportCall(ConsoleAPIType type) {
if (!m_info.Length()) return;
std::vector<v8::Local<v8::Value>> arguments;
for (int i = 0; i < m_info.Length(); ++i) arguments.push_back(m_info[i]);
reportCall(type, arguments);
}
void reportCallWithDefaultArgument(ConsoleAPIType type,
const String16& message) {
std::vector<v8::Local<v8::Value>> arguments;
for (int i = 0; i < m_info.Length(); ++i) arguments.push_back(m_info[i]);
if (!m_info.Length()) arguments.push_back(toV8String(m_isolate, message));
reportCall(type, arguments);
}
void reportCallWithArgument(ConsoleAPIType type, const String16& message) {
std::vector<v8::Local<v8::Value>> arguments(1,
toV8String(m_isolate, message));
reportCall(type, arguments);
}
void reportCall(ConsoleAPIType type,
const std::vector<v8::Local<v8::Value>>& arguments) {
InspectedContext* inspectedContext = ensureInspectedContext();
if (!inspectedContext) return;
int contextGroupId = inspectedContext->contextGroupId();
V8InspectorImpl* inspector = inspectedContext->inspector();
std::unique_ptr<V8ConsoleMessage> message =
V8ConsoleMessage::createForConsoleAPI(
inspector->client()->currentTimeMS(), type, arguments,
inspector->debugger()->captureStackTrace(false), inspectedContext);
inspector->ensureConsoleMessageStorage(contextGroupId)
->addMessage(std::move(message));
}
void reportDeprecatedCall(const char* id, const String16& message) {
if (checkAndSetPrivateFlagOnConsole(id, false)) return;
std::vector<v8::Local<v8::Value>> arguments(1,
toV8String(m_isolate, message));
reportCall(ConsoleAPIType::kWarning, arguments);
}
bool firstArgToBoolean(bool defaultValue) {
if (m_info.Length() < 1) return defaultValue;
if (m_info[0]->IsBoolean()) return m_info[0].As<v8::Boolean>()->Value();
return m_info[0]->BooleanValue(m_context).FromMaybe(defaultValue);
}
String16 firstArgToString(const String16& defaultValue) {
if (m_info.Length() < 1) return defaultValue;
v8::Local<v8::String> titleValue;
if (m_info[0]->IsObject()) {
if (!m_info[0].As<v8::Object>()->ObjectProtoToString(m_context).ToLocal(
&titleValue))
return defaultValue;
} else {
if (!m_info[0]->ToString(m_context).ToLocal(&titleValue))
return defaultValue;
}
return toProtocolString(titleValue);
}
v8::MaybeLocal<v8::Object> firstArgAsObject() {
if (m_info.Length() < 1 || !m_info[0]->IsObject())
return v8::MaybeLocal<v8::Object>();
return m_info[0].As<v8::Object>();
}
v8::MaybeLocal<v8::Function> firstArgAsFunction() {
if (m_info.Length() < 1 || !m_info[0]->IsFunction())
return v8::MaybeLocal<v8::Function>();
v8::Local<v8::Function> func = m_info[0].As<v8::Function>();
while (func->GetBoundFunction()->IsFunction())
func = func->GetBoundFunction().As<v8::Function>();
return func;
}
v8::MaybeLocal<v8::Map> privateMap(const char* name) {
v8::Local<v8::Object> console = ensureConsole();
v8::Local<v8::Private> privateKey =
v8::Private::ForApi(m_isolate, toV8StringInternalized(m_isolate, name));
v8::Local<v8::Value> mapValue;
if (!console->GetPrivate(m_context, privateKey).ToLocal(&mapValue))
return v8::MaybeLocal<v8::Map>();
if (mapValue->IsUndefined()) {
v8::Local<v8::Map> map = v8::Map::New(m_isolate);
if (!console->SetPrivate(m_context, privateKey, map).FromMaybe(false))
return v8::MaybeLocal<v8::Map>();
return map;
}
return mapValue->IsMap() ? mapValue.As<v8::Map>()
: v8::MaybeLocal<v8::Map>();
}
int32_t getIntFromMap(v8::Local<v8::Map> map, const String16& key,
int32_t defaultValue) {
v8::Local<v8::String> v8Key = toV8String(m_isolate, key);
if (!map->Has(m_context, v8Key).FromMaybe(false)) return defaultValue;
v8::Local<v8::Value> intValue;
if (!map->Get(m_context, v8Key).ToLocal(&intValue)) return defaultValue;
return static_cast<int32_t>(intValue.As<v8::Integer>()->Value());
}
void setIntOnMap(v8::Local<v8::Map> map, const String16& key, int32_t value) {
v8::Local<v8::String> v8Key = toV8String(m_isolate, key);
if (!map->Set(m_context, v8Key, v8::Integer::New(m_isolate, value))
.ToLocal(&map))
return;
}
double getDoubleFromMap(v8::Local<v8::Map> map, const String16& key,
double defaultValue) {
v8::Local<v8::String> v8Key = toV8String(m_isolate, key);
if (!map->Has(m_context, v8Key).FromMaybe(false)) return defaultValue;
v8::Local<v8::Value> intValue;
if (!map->Get(m_context, v8Key).ToLocal(&intValue)) return defaultValue;
return intValue.As<v8::Number>()->Value();
}
void setDoubleOnMap(v8::Local<v8::Map> map, const String16& key,
double value) {
v8::Local<v8::String> v8Key = toV8String(m_isolate, key);
if (!map->Set(m_context, v8Key, v8::Number::New(m_isolate, value))
.ToLocal(&map))
return;
}
V8ProfilerAgentImpl* profilerAgent() {
if (V8InspectorSessionImpl* session = currentSession()) {
if (session && session->profilerAgent()->enabled())
return session->profilerAgent();
}
return nullptr;
}
V8DebuggerAgentImpl* debuggerAgent() {
if (V8InspectorSessionImpl* session = currentSession()) {
if (session && session->debuggerAgent()->enabled())
return session->debuggerAgent();
}
return nullptr;
}
V8InspectorSessionImpl* currentSession() {
InspectedContext* inspectedContext = ensureInspectedContext();
if (!inspectedContext) return nullptr;
return inspectedContext->inspector()->sessionForContextGroup(
inspectedContext->contextGroupId());
}
private:
const v8::FunctionCallbackInfo<v8::Value>& m_info;
v8::Isolate* m_isolate;
v8::Local<v8::Context> m_context;
v8::Local<v8::Object> m_console;
InspectedContext* m_inspectedContext;
V8InspectorClient* m_inspectorClient;
bool checkAndSetPrivateFlagOnConsole(const char* name, bool defaultValue) {
v8::Local<v8::Object> console = ensureConsole();
v8::Local<v8::Private> key =
v8::Private::ForApi(m_isolate, toV8StringInternalized(m_isolate, name));
v8::Local<v8::Value> flagValue;
if (!console->GetPrivate(m_context, key).ToLocal(&flagValue))
return defaultValue;
DCHECK(flagValue->IsUndefined() || flagValue->IsBoolean());
if (flagValue->IsBoolean()) {
DCHECK(flagValue.As<v8::Boolean>()->Value());
return true;
}
if (!console->SetPrivate(m_context, key, v8::True(m_isolate))
.FromMaybe(false))
return defaultValue;
return false;
}
DISALLOW_COPY_AND_ASSIGN(ConsoleHelper);
};
void returnDataCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
info.GetReturnValue().Set(info.Data());
}
void createBoundFunctionProperty(v8::Local<v8::Context> context,
v8::Local<v8::Object> console,
const char* name,
v8::FunctionCallback callback,
const char* description = nullptr) {
v8::Local<v8::String> funcName =
toV8StringInternalized(context->GetIsolate(), name);
v8::Local<v8::Function> func;
if (!v8::Function::New(context, callback, console, 0,
v8::ConstructorBehavior::kThrow)
.ToLocal(&func))
return;
func->SetName(funcName);
if (description) {
v8::Local<v8::String> returnValue =
toV8String(context->GetIsolate(), description);
v8::Local<v8::Function> toStringFunction;
if (v8::Function::New(context, returnDataCallback, returnValue, 0,
v8::ConstructorBehavior::kThrow)
.ToLocal(&toStringFunction))
createDataProperty(context, func, toV8StringInternalized(
context->GetIsolate(), "toString"),
toStringFunction);
}
createDataProperty(context, console, funcName, func);
}
} // namespace
void V8Console::debugCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCall(ConsoleAPIType::kDebug);
}
void V8Console::errorCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCall(ConsoleAPIType::kError);
}
void V8Console::infoCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCall(ConsoleAPIType::kInfo);
}
void V8Console::logCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCall(ConsoleAPIType::kLog);
}
void V8Console::warnCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCall(ConsoleAPIType::kWarning);
}
void V8Console::dirCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCall(ConsoleAPIType::kDir);
}
void V8Console::dirxmlCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCall(ConsoleAPIType::kDirXML);
}
void V8Console::tableCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCall(ConsoleAPIType::kTable);
}
void V8Console::traceCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCallWithDefaultArgument(ConsoleAPIType::kTrace,
String16("console.trace"));
}
void V8Console::groupCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCallWithDefaultArgument(ConsoleAPIType::kStartGroup,
String16("console.group"));
}
void V8Console::groupCollapsedCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCallWithDefaultArgument(
ConsoleAPIType::kStartGroupCollapsed, String16("console.groupCollapsed"));
}
void V8Console::groupEndCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportCallWithDefaultArgument(
ConsoleAPIType::kEndGroup, String16("console.groupEnd"));
}
void V8Console::clearCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
InspectedContext* context = helper.ensureInspectedContext();
if (!context) return;
int contextGroupId = context->contextGroupId();
if (V8InspectorClient* client = helper.ensureDebuggerClient())
client->consoleClear(contextGroupId);
helper.reportCallWithDefaultArgument(ConsoleAPIType::kClear,
String16("console.clear"));
}
void V8Console::countCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
String16 title = helper.firstArgToString(String16());
String16 identifier;
if (title.isEmpty()) {
std::unique_ptr<V8StackTraceImpl> stackTrace =
V8StackTraceImpl::capture(nullptr, 0, 1);
if (stackTrace && !stackTrace->isEmpty()) {
identifier = toString16(stackTrace->topSourceURL()) + ":" +
String16::fromInteger(stackTrace->topLineNumber());
}
} else {
identifier = title + "@";
}
v8::Local<v8::Map> countMap;
if (!helper.privateMap("V8Console#countMap").ToLocal(&countMap)) return;
int32_t count = helper.getIntFromMap(countMap, identifier, 0) + 1;
helper.setIntOnMap(countMap, identifier, count);
String16 countString = String16::fromInteger(count);
helper.reportCallWithArgument(
ConsoleAPIType::kCount,
title.isEmpty() ? countString : (title + ": " + countString));
}
void V8Console::assertCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
if (helper.firstArgToBoolean(false)) return;
std::vector<v8::Local<v8::Value>> arguments;
for (int i = 1; i < info.Length(); ++i) arguments.push_back(info[i]);
if (info.Length() < 2)
arguments.push_back(
toV8String(info.GetIsolate(), String16("console.assert")));
helper.reportCall(ConsoleAPIType::kAssert, arguments);
if (V8DebuggerAgentImpl* debuggerAgent = helper.debuggerAgent())
debuggerAgent->breakProgramOnException(
protocol::Debugger::Paused::ReasonEnum::Assert, nullptr);
}
void V8Console::markTimelineCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportDeprecatedCall("V8Console#markTimelineDeprecated",
"'console.markTimeline' is "
"deprecated. Please use "
"'console.timeStamp' instead.");
timeStampCallback(info);
}
void V8Console::profileCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
if (V8ProfilerAgentImpl* profilerAgent = helper.profilerAgent())
profilerAgent->consoleProfile(helper.firstArgToString(String16()));
}
void V8Console::profileEndCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
if (V8ProfilerAgentImpl* profilerAgent = helper.profilerAgent())
profilerAgent->consoleProfileEnd(helper.firstArgToString(String16()));
}
static void timeFunction(const v8::FunctionCallbackInfo<v8::Value>& info,
bool timelinePrefix) {
ConsoleHelper helper(info);
if (V8InspectorClient* client = helper.ensureDebuggerClient()) {
String16 protocolTitle = helper.firstArgToString("default");
if (timelinePrefix) protocolTitle = "Timeline '" + protocolTitle + "'";
client->consoleTime(toStringView(protocolTitle));
v8::Local<v8::Map> timeMap;
if (!helper.privateMap("V8Console#timeMap").ToLocal(&timeMap)) return;
helper.setDoubleOnMap(timeMap, protocolTitle, client->currentTimeMS());
}
}
static void timeEndFunction(const v8::FunctionCallbackInfo<v8::Value>& info,
bool timelinePrefix) {
ConsoleHelper helper(info);
if (V8InspectorClient* client = helper.ensureDebuggerClient()) {
String16 protocolTitle = helper.firstArgToString("default");
if (timelinePrefix) protocolTitle = "Timeline '" + protocolTitle + "'";
client->consoleTimeEnd(toStringView(protocolTitle));
v8::Local<v8::Map> timeMap;
if (!helper.privateMap("V8Console#timeMap").ToLocal(&timeMap)) return;
double elapsed = client->currentTimeMS() -
helper.getDoubleFromMap(timeMap, protocolTitle, 0.0);
String16 message =
protocolTitle + ": " + String16::fromDouble(elapsed) + "ms";
helper.reportCallWithArgument(ConsoleAPIType::kTimeEnd, message);
}
}
void V8Console::timelineCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportDeprecatedCall(
"V8Console#timeline",
"'console.timeline' is deprecated. Please use 'console.time' instead.");
timeFunction(info, true);
}
void V8Console::timelineEndCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper(info).reportDeprecatedCall("V8Console#timelineEnd",
"'console.timelineEnd' is "
"deprecated. Please use "
"'console.timeEnd' instead.");
timeEndFunction(info, true);
}
void V8Console::timeCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
timeFunction(info, false);
}
void V8Console::timeEndCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
timeEndFunction(info, false);
}
void V8Console::timeStampCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
if (V8InspectorClient* client = helper.ensureDebuggerClient()) {
String16 title = helper.firstArgToString(String16());
client->consoleTimeStamp(toStringView(title));
}
}
void V8Console::memoryGetterCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
if (V8InspectorClient* client = ConsoleHelper(info).ensureDebuggerClient()) {
v8::Local<v8::Value> memoryValue;
if (!client
->memoryInfo(info.GetIsolate(),
info.GetIsolate()->GetCurrentContext())
.ToLocal(&memoryValue))
return;
info.GetReturnValue().Set(memoryValue);
}
}
void V8Console::memorySetterCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
// We can't make the attribute readonly as it breaks existing code that relies
// on being able to assign to console.memory in strict mode. Instead, the
// setter just ignores the passed value. http://crbug.com/468611
}
void V8Console::keysCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
v8::Isolate* isolate = info.GetIsolate();
info.GetReturnValue().Set(v8::Array::New(isolate));
ConsoleHelper helper(info);
v8::Local<v8::Object> obj;
if (!helper.firstArgAsObject().ToLocal(&obj)) return;
v8::Local<v8::Array> names;
if (!obj->GetOwnPropertyNames(isolate->GetCurrentContext()).ToLocal(&names))
return;
info.GetReturnValue().Set(names);
}
void V8Console::valuesCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
v8::Isolate* isolate = info.GetIsolate();
info.GetReturnValue().Set(v8::Array::New(isolate));
ConsoleHelper helper(info);
v8::Local<v8::Object> obj;
if (!helper.firstArgAsObject().ToLocal(&obj)) return;
v8::Local<v8::Array> names;
v8::Local<v8::Context> context = isolate->GetCurrentContext();
if (!obj->GetOwnPropertyNames(context).ToLocal(&names)) return;
v8::Local<v8::Array> values = v8::Array::New(isolate, names->Length());
for (uint32_t i = 0; i < names->Length(); ++i) {
v8::Local<v8::Value> key;
if (!names->Get(context, i).ToLocal(&key)) continue;
v8::Local<v8::Value> value;
if (!obj->Get(context, key).ToLocal(&value)) continue;
createDataProperty(context, values, i, value);
}
info.GetReturnValue().Set(values);
}
static void setFunctionBreakpoint(ConsoleHelper& helper,
v8::Local<v8::Function> function,
V8DebuggerAgentImpl::BreakpointSource source,
const String16& condition, bool enable) {
V8DebuggerAgentImpl* debuggerAgent = helper.debuggerAgent();
if (!debuggerAgent) return;
String16 scriptId = String16::fromInteger(function->ScriptId());
int lineNumber = function->GetScriptLineNumber();
int columnNumber = function->GetScriptColumnNumber();
if (lineNumber == v8::Function::kLineOffsetNotFound ||
columnNumber == v8::Function::kLineOffsetNotFound)
return;
if (enable)
debuggerAgent->setBreakpointAt(scriptId, lineNumber, columnNumber, source,
condition);
else
debuggerAgent->removeBreakpointAt(scriptId, lineNumber, columnNumber,
source);
}
void V8Console::debugFunctionCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
v8::Local<v8::Function> function;
if (!helper.firstArgAsFunction().ToLocal(&function)) return;
setFunctionBreakpoint(helper, function,
V8DebuggerAgentImpl::DebugCommandBreakpointSource,
String16(), true);
}
void V8Console::undebugFunctionCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
v8::Local<v8::Function> function;
if (!helper.firstArgAsFunction().ToLocal(&function)) return;
setFunctionBreakpoint(helper, function,
V8DebuggerAgentImpl::DebugCommandBreakpointSource,
String16(), false);
}
void V8Console::monitorFunctionCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
v8::Local<v8::Function> function;
if (!helper.firstArgAsFunction().ToLocal(&function)) return;
v8::Local<v8::Value> name = function->GetName();
if (!name->IsString() || !v8::Local<v8::String>::Cast(name)->Length())
name = function->GetInferredName();
String16 functionName = toProtocolStringWithTypeCheck(name);
String16Builder builder;
builder.append("console.log(\"function ");
if (functionName.isEmpty())
builder.append("(anonymous function)");
else
builder.append(functionName);
builder.append(
" called\" + (arguments.length > 0 ? \" with arguments: \" + "
"Array.prototype.join.call(arguments, \", \") : \"\")) && false");
setFunctionBreakpoint(helper, function,
V8DebuggerAgentImpl::MonitorCommandBreakpointSource,
builder.toString(), true);
}
void V8Console::unmonitorFunctionCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
v8::Local<v8::Function> function;
if (!helper.firstArgAsFunction().ToLocal(&function)) return;
setFunctionBreakpoint(helper, function,
V8DebuggerAgentImpl::MonitorCommandBreakpointSource,
String16(), false);
}
void V8Console::lastEvaluationResultCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ConsoleHelper helper(info);
InspectedContext* context = helper.ensureInspectedContext();
if (!context) return;
if (InjectedScript* injectedScript = context->getInjectedScript())
info.GetReturnValue().Set(injectedScript->lastEvaluationResult());
}
static void inspectImpl(const v8::FunctionCallbackInfo<v8::Value>& info,
bool copyToClipboard) {
if (info.Length() < 1) return;
if (!copyToClipboard) info.GetReturnValue().Set(info[0]);
ConsoleHelper helper(info);
InspectedContext* context = helper.ensureInspectedContext();
if (!context) return;
InjectedScript* injectedScript = context->getInjectedScript();
if (!injectedScript) return;
std::unique_ptr<protocol::Runtime::RemoteObject> wrappedObject;
protocol::Response response =
injectedScript->wrapObject(info[0], "", false /** forceValueType */,
false /** generatePreview */, &wrappedObject);
if (!response.isSuccess()) return;
std::unique_ptr<protocol::DictionaryValue> hints =
protocol::DictionaryValue::create();
if (copyToClipboard) hints->setBoolean("copyToClipboard", true);
if (V8InspectorSessionImpl* session = helper.currentSession())
session->runtimeAgent()->inspect(std::move(wrappedObject),
std::move(hints));
}
void V8Console::inspectCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
inspectImpl(info, false);
}
void V8Console::copyCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
inspectImpl(info, true);
}
void V8Console::inspectedObject(const v8::FunctionCallbackInfo<v8::Value>& info,
unsigned num) {
DCHECK(num < V8InspectorSessionImpl::kInspectedObjectBufferSize);
ConsoleHelper helper(info);
if (V8InspectorSessionImpl* session = helper.currentSession()) {
V8InspectorSession::Inspectable* object = session->inspectedObject(num);
v8::Isolate* isolate = info.GetIsolate();
if (object)
info.GetReturnValue().Set(object->get(isolate->GetCurrentContext()));
else
info.GetReturnValue().Set(v8::Undefined(isolate));
}
}
v8::Local<v8::Object> V8Console::createConsole(
InspectedContext* inspectedContext, bool hasMemoryAttribute) {
v8::Local<v8::Context> context = inspectedContext->context();
v8::Context::Scope contextScope(context);
v8::Isolate* isolate = context->GetIsolate();
v8::MicrotasksScope microtasksScope(isolate,
v8::MicrotasksScope::kDoNotRunMicrotasks);
v8::Local<v8::Object> console = v8::Object::New(isolate);
bool success =
console->SetPrototype(context, v8::Object::New(isolate)).FromMaybe(false);
DCHECK(success);
USE(success);
createBoundFunctionProperty(context, console, "debug",
V8Console::debugCallback);
createBoundFunctionProperty(context, console, "error",
V8Console::errorCallback);
createBoundFunctionProperty(context, console, "info",
V8Console::infoCallback);
createBoundFunctionProperty(context, console, "log", V8Console::logCallback);
createBoundFunctionProperty(context, console, "warn",
V8Console::warnCallback);
createBoundFunctionProperty(context, console, "dir", V8Console::dirCallback);
createBoundFunctionProperty(context, console, "dirxml",
V8Console::dirxmlCallback);
createBoundFunctionProperty(context, console, "table",
V8Console::tableCallback);
createBoundFunctionProperty(context, console, "trace",
V8Console::traceCallback);
createBoundFunctionProperty(context, console, "group",
V8Console::groupCallback);
createBoundFunctionProperty(context, console, "groupCollapsed",
V8Console::groupCollapsedCallback);
createBoundFunctionProperty(context, console, "groupEnd",
V8Console::groupEndCallback);
createBoundFunctionProperty(context, console, "clear",
V8Console::clearCallback);
createBoundFunctionProperty(context, console, "count",
V8Console::countCallback);
createBoundFunctionProperty(context, console, "assert",
V8Console::assertCallback);
createBoundFunctionProperty(context, console, "markTimeline",
V8Console::markTimelineCallback);
createBoundFunctionProperty(context, console, "profile",
V8Console::profileCallback);
createBoundFunctionProperty(context, console, "profileEnd",
V8Console::profileEndCallback);
createBoundFunctionProperty(context, console, "timeline",
V8Console::timelineCallback);
createBoundFunctionProperty(context, console, "timelineEnd",
V8Console::timelineEndCallback);
createBoundFunctionProperty(context, console, "time",
V8Console::timeCallback);
createBoundFunctionProperty(context, console, "timeEnd",
V8Console::timeEndCallback);
createBoundFunctionProperty(context, console, "timeStamp",
V8Console::timeStampCallback);
const char* jsConsoleAssert =
"(function(){\n"
" var originAssert = this.assert;\n"
" originAssert.apply = Function.prototype.apply;\n"
" this.assert = assertWrapper;\n"
" assertWrapper.toString = () => originAssert.toString();\n"
" function assertWrapper(){\n"
" if (!!arguments[0]) return;\n"
" originAssert.apply(null, arguments);\n"
" }\n"
"})";
v8::Local<v8::String> assertSource = toV8String(isolate, jsConsoleAssert);
V8InspectorImpl* inspector = inspectedContext->inspector();
v8::Local<v8::Value> setupFunction;
if (inspector->compileAndRunInternalScript(context, assertSource)
.ToLocal(&setupFunction) &&
setupFunction->IsFunction()) {
inspector->callInternalFunction(
v8::Local<v8::Function>::Cast(setupFunction), context, console, 0,
nullptr);
}
if (hasMemoryAttribute)
console->SetAccessorProperty(
toV8StringInternalized(isolate, "memory"),
v8::Function::New(context, V8Console::memoryGetterCallback, console, 0,
v8::ConstructorBehavior::kThrow)
.ToLocalChecked(),
v8::Function::New(context, V8Console::memorySetterCallback,
v8::Local<v8::Value>(), 0,
v8::ConstructorBehavior::kThrow)
.ToLocalChecked(),
static_cast<v8::PropertyAttribute>(v8::None), v8::DEFAULT);
console->SetPrivate(context, inspectedContextPrivateKey(isolate),
v8::External::New(isolate, inspectedContext));
return console;
}
void V8Console::clearInspectedContextIfNeeded(v8::Local<v8::Context> context,
v8::Local<v8::Object> console) {
v8::Isolate* isolate = context->GetIsolate();
console->SetPrivate(context, inspectedContextPrivateKey(isolate),
v8::External::New(isolate, nullptr));
}
v8::Local<v8::Object> V8Console::createCommandLineAPI(
InspectedContext* inspectedContext) {
v8::Local<v8::Context> context = inspectedContext->context();
v8::Isolate* isolate = context->GetIsolate();
v8::MicrotasksScope microtasksScope(isolate,
v8::MicrotasksScope::kDoNotRunMicrotasks);
v8::Local<v8::Object> commandLineAPI = v8::Object::New(isolate);
bool success =
commandLineAPI->SetPrototype(context, v8::Null(isolate)).FromMaybe(false);
DCHECK(success);
USE(success);
createBoundFunctionProperty(context, commandLineAPI, "dir",
V8Console::dirCallback,
"function dir(value) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, "dirxml",
V8Console::dirxmlCallback,
"function dirxml(value) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, "profile",
V8Console::profileCallback,
"function profile(title) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, "profileEnd", V8Console::profileEndCallback,
"function profileEnd(title) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, "clear",
V8Console::clearCallback,
"function clear() { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, "table", V8Console::tableCallback,
"function table(data, [columns]) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, "keys",
V8Console::keysCallback,
"function keys(object) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, "values",
V8Console::valuesCallback,
"function values(object) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, "debug", V8Console::debugFunctionCallback,
"function debug(function) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, "undebug", V8Console::undebugFunctionCallback,
"function undebug(function) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, "monitor", V8Console::monitorFunctionCallback,
"function monitor(function) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, "unmonitor",
V8Console::unmonitorFunctionCallback,
"function unmonitor(function) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, "inspect", V8Console::inspectCallback,
"function inspect(object) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, "copy",
V8Console::copyCallback,
"function copy(value) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, "$_",
V8Console::lastEvaluationResultCallback);
createBoundFunctionProperty(context, commandLineAPI, "$0",
V8Console::inspectedObject0);
createBoundFunctionProperty(context, commandLineAPI, "$1",
V8Console::inspectedObject1);
createBoundFunctionProperty(context, commandLineAPI, "$2",
V8Console::inspectedObject2);
createBoundFunctionProperty(context, commandLineAPI, "$3",
V8Console::inspectedObject3);
createBoundFunctionProperty(context, commandLineAPI, "$4",
V8Console::inspectedObject4);
inspectedContext->inspector()->client()->installAdditionalCommandLineAPI(
context, commandLineAPI);
commandLineAPI->SetPrivate(context, inspectedContextPrivateKey(isolate),
v8::External::New(isolate, inspectedContext));
return commandLineAPI;
}
static bool isCommandLineAPIGetter(const String16& name) {
if (name.length() != 2) return false;
// $0 ... $4, $_
return name[0] == '$' &&
((name[1] >= '0' && name[1] <= '4') || name[1] == '_');
}
void V8Console::CommandLineAPIScope::accessorGetterCallback(
v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) {
CommandLineAPIScope* scope = static_cast<CommandLineAPIScope*>(
info.Data().As<v8::External>()->Value());
DCHECK(scope);
v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext();
if (scope->m_cleanup) {
bool removed = info.Holder()->Delete(context, name).FromMaybe(false);
DCHECK(removed);
USE(removed);
return;
}
v8::Local<v8::Object> commandLineAPI = scope->m_commandLineAPI;
v8::Local<v8::Value> value;
if (!commandLineAPI->Get(context, name).ToLocal(&value)) return;
if (isCommandLineAPIGetter(toProtocolStringWithTypeCheck(name))) {
DCHECK(value->IsFunction());
v8::MicrotasksScope microtasks(info.GetIsolate(),
v8::MicrotasksScope::kDoNotRunMicrotasks);
if (value.As<v8::Function>()
->Call(context, commandLineAPI, 0, nullptr)
.ToLocal(&value))
info.GetReturnValue().Set(value);
} else {
info.GetReturnValue().Set(value);
}
}
void V8Console::CommandLineAPIScope::accessorSetterCallback(
v8::Local<v8::Name> name, v8::Local<v8::Value> value,
const v8::PropertyCallbackInfo<void>& info) {
CommandLineAPIScope* scope = static_cast<CommandLineAPIScope*>(
info.Data().As<v8::External>()->Value());
v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext();
if (!info.Holder()->Delete(context, name).FromMaybe(false)) return;
if (!info.Holder()->CreateDataProperty(context, name, value).FromMaybe(false))
return;
bool removed =
scope->m_installedMethods->Delete(context, name).FromMaybe(false);
DCHECK(removed);
USE(removed);
}
V8Console::CommandLineAPIScope::CommandLineAPIScope(
v8::Local<v8::Context> context, v8::Local<v8::Object> commandLineAPI,
v8::Local<v8::Object> global)
: m_context(context),
m_commandLineAPI(commandLineAPI),
m_global(global),
m_installedMethods(v8::Set::New(context->GetIsolate())),
m_cleanup(false) {
v8::Local<v8::Array> names;
if (!m_commandLineAPI->GetOwnPropertyNames(context).ToLocal(&names)) return;
v8::Local<v8::External> externalThis =
v8::External::New(context->GetIsolate(), this);
for (uint32_t i = 0; i < names->Length(); ++i) {
v8::Local<v8::Value> name;
if (!names->Get(context, i).ToLocal(&name) || !name->IsName()) continue;
if (m_global->Has(context, name).FromMaybe(true)) continue;
if (!m_installedMethods->Add(context, name).ToLocal(&m_installedMethods))
continue;
if (!m_global
->SetAccessor(context, v8::Local<v8::Name>::Cast(name),
CommandLineAPIScope::accessorGetterCallback,
CommandLineAPIScope::accessorSetterCallback,
externalThis, v8::DEFAULT, v8::DontEnum)
.FromMaybe(false)) {
bool removed = m_installedMethods->Delete(context, name).FromMaybe(false);
DCHECK(removed);
USE(removed);
continue;
}
}
}
V8Console::CommandLineAPIScope::~CommandLineAPIScope() {
m_cleanup = true;
v8::Local<v8::Array> names = m_installedMethods->AsArray();
for (uint32_t i = 0; i < names->Length(); ++i) {
v8::Local<v8::Value> name;
if (!names->Get(m_context, i).ToLocal(&name) || !name->IsName()) continue;
if (name->IsString()) {
v8::Local<v8::Value> descriptor;
bool success = m_global
->GetOwnPropertyDescriptor(
m_context, v8::Local<v8::String>::Cast(name))
.ToLocal(&descriptor);
DCHECK(success);
USE(success);
}
}
}
} // namespace v8_inspector