blob: 7ed7f76fb7db65f9632c5abc207550ce920e23d3 [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-utils.h"
#include "include/v8-inspector.h"
namespace v8_inspector {
namespace {
String16 consoleContextToString(
const v8::debug::ConsoleContext& consoleContext) {
if (consoleContext.id() == 0) return String16();
return toProtocolString(consoleContext.name()) + "#" +
String16::fromInteger(consoleContext.id());
}
class ConsoleHelper {
public:
ConsoleHelper(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext,
V8InspectorImpl* inspector)
: m_info(info),
m_consoleContext(consoleContext),
m_isolate(inspector->isolate()),
m_context(m_isolate->GetCurrentContext()),
m_inspector(inspector),
m_contextId(InspectedContext::contextId(m_context)),
m_groupId(m_inspector->contextGroupId(m_contextId)) {}
int contextId() const { return m_contextId; }
int groupId() const { return m_groupId; }
InjectedScript* injectedScript(int sessionId) {
InspectedContext* context = m_inspector->getContext(m_groupId, m_contextId);
if (!context) return nullptr;
return context->getInjectedScript(sessionId);
}
V8InspectorSessionImpl* session(int sessionId) {
return m_inspector->sessionById(m_groupId, sessionId);
}
V8ConsoleMessageStorage* consoleMessageStorage() {
return m_inspector->ensureConsoleMessageStorage(m_groupId);
}
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) {
if (!m_groupId) return;
std::unique_ptr<V8ConsoleMessage> message =
V8ConsoleMessage::createForConsoleAPI(
m_context, m_contextId, m_groupId, m_inspector,
m_inspector->client()->currentTimeMS(), type, arguments,
consoleContextToString(m_consoleContext),
m_inspector->debugger()->captureStackTrace(false));
consoleMessageStorage()->addMessage(std::move(message));
}
void reportDeprecatedCall(const char* id, const String16& message) {
if (!consoleMessageStorage()->shouldReportDeprecationMessage(m_contextId,
id)) {
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;
v8::TryCatch tryCatch(m_context->GetIsolate());
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;
}
void forEachSession(std::function<void(V8InspectorSessionImpl*)> callback) {
m_inspector->forEachSession(m_groupId, callback);
}
private:
const v8::debug::ConsoleCallArguments& m_info;
const v8::debug::ConsoleContext& m_consoleContext;
v8::Isolate* m_isolate;
v8::Local<v8::Context> m_context;
V8InspectorImpl* m_inspector = nullptr;
int m_contextId;
int m_groupId;
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,
v8::Local<v8::Value> data, 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, data, 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);
}
enum InspectRequest { kRegular, kCopyToClipboard, kQueryObjects };
} // namespace
V8Console::V8Console(V8InspectorImpl* inspector) : m_inspector(inspector) {}
void V8Console::Debug(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCall(ConsoleAPIType::kDebug);
}
void V8Console::Error(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCall(ConsoleAPIType::kError);
}
void V8Console::Info(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCall(ConsoleAPIType::kInfo);
}
void V8Console::Log(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCall(ConsoleAPIType::kLog);
}
void V8Console::Warn(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCall(ConsoleAPIType::kWarning);
}
void V8Console::Dir(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCall(ConsoleAPIType::kDir);
}
void V8Console::DirXml(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCall(ConsoleAPIType::kDirXML);
}
void V8Console::Table(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCall(ConsoleAPIType::kTable);
}
void V8Console::Trace(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCallWithDefaultArgument(ConsoleAPIType::kTrace,
String16("console.trace"));
}
void V8Console::Group(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCallWithDefaultArgument(ConsoleAPIType::kStartGroup,
String16("console.group"));
}
void V8Console::GroupCollapsed(
const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCallWithDefaultArgument(ConsoleAPIType::kStartGroupCollapsed,
String16("console.groupCollapsed"));
}
void V8Console::GroupEnd(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportCallWithDefaultArgument(ConsoleAPIType::kEndGroup,
String16("console.groupEnd"));
}
void V8Console::Clear(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper helper(info, consoleContext, m_inspector);
if (!helper.groupId()) return;
m_inspector->client()->consoleClear(helper.groupId());
helper.reportCallWithDefaultArgument(ConsoleAPIType::kClear,
String16("console.clear"));
}
void V8Console::Count(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper helper(info, consoleContext, m_inspector);
String16 title = helper.firstArgToString(String16());
String16 identifier;
if (title.isEmpty()) {
std::unique_ptr<V8StackTraceImpl> stackTrace =
V8StackTraceImpl::capture(m_inspector->debugger(), helper.groupId(), 1);
if (stackTrace && !stackTrace->isEmpty()) {
identifier = toString16(stackTrace->topSourceURL()) + ":" +
String16::fromInteger(stackTrace->topLineNumber());
}
} else {
identifier = title + "@";
}
identifier = consoleContextToString(consoleContext) + "@" + identifier;
int count =
helper.consoleMessageStorage()->count(helper.contextId(), identifier);
String16 countString = String16::fromInteger(count);
helper.reportCallWithArgument(
ConsoleAPIType::kCount,
title.isEmpty() ? countString : (title + ": " + countString));
}
void V8Console::Assert(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper helper(info, consoleContext, m_inspector);
DCHECK(!helper.firstArgToBoolean(false));
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(m_inspector->isolate(), String16("console.assert")));
helper.reportCall(ConsoleAPIType::kAssert, arguments);
m_inspector->debugger()->breakProgramOnAssert(helper.groupId());
}
void V8Console::MarkTimeline(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportDeprecatedCall("V8Console#markTimelineDeprecated",
"'console.markTimeline' is "
"deprecated. Please use "
"'console.timeStamp' instead.");
TimeStamp(info, consoleContext);
}
void V8Console::Profile(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper helper(info, consoleContext, m_inspector);
helper.forEachSession([&helper](V8InspectorSessionImpl* session) {
session->profilerAgent()->consoleProfile(
helper.firstArgToString(String16()));
});
}
void V8Console::ProfileEnd(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper helper(info, consoleContext, m_inspector);
helper.forEachSession([&helper](V8InspectorSessionImpl* session) {
session->profilerAgent()->consoleProfileEnd(
helper.firstArgToString(String16()));
});
}
static void timeFunction(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext,
bool timelinePrefix, V8InspectorImpl* inspector) {
ConsoleHelper helper(info, consoleContext, inspector);
String16 protocolTitle = helper.firstArgToString("default");
if (timelinePrefix) protocolTitle = "Timeline '" + protocolTitle + "'";
inspector->client()->consoleTime(toStringView(protocolTitle));
helper.consoleMessageStorage()->time(
helper.contextId(),
protocolTitle + "@" + consoleContextToString(consoleContext));
}
static void timeEndFunction(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext,
bool timelinePrefix, V8InspectorImpl* inspector) {
ConsoleHelper helper(info, consoleContext, inspector);
String16 protocolTitle = helper.firstArgToString("default");
if (timelinePrefix) protocolTitle = "Timeline '" + protocolTitle + "'";
inspector->client()->consoleTimeEnd(toStringView(protocolTitle));
double elapsed = helper.consoleMessageStorage()->timeEnd(
helper.contextId(),
protocolTitle + "@" + consoleContextToString(consoleContext));
String16 message =
protocolTitle + ": " + String16::fromDouble(elapsed) + "ms";
helper.reportCallWithArgument(ConsoleAPIType::kTimeEnd, message);
}
void V8Console::Timeline(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportDeprecatedCall("V8Console#timeline",
"'console.timeline' is deprecated. Please use "
"'console.time' instead.");
timeFunction(info, consoleContext, true, m_inspector);
}
void V8Console::TimelineEnd(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper(info, consoleContext, m_inspector)
.reportDeprecatedCall("V8Console#timelineEnd",
"'console.timelineEnd' is "
"deprecated. Please use "
"'console.timeEnd' instead.");
timeEndFunction(info, consoleContext, true, m_inspector);
}
void V8Console::Time(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
timeFunction(info, consoleContext, false, m_inspector);
}
void V8Console::TimeEnd(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
timeEndFunction(info, consoleContext, false, m_inspector);
}
void V8Console::TimeStamp(const v8::debug::ConsoleCallArguments& info,
const v8::debug::ConsoleContext& consoleContext) {
ConsoleHelper helper(info, consoleContext, m_inspector);
String16 title = helper.firstArgToString(String16());
m_inspector->client()->consoleTimeStamp(toStringView(title));
}
void V8Console::memoryGetterCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
v8::Local<v8::Value> memoryValue;
if (!m_inspector->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,
int sessionId) {
v8::Isolate* isolate = info.GetIsolate();
info.GetReturnValue().Set(v8::Array::New(isolate));
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), m_inspector);
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,
int sessionId) {
v8::Isolate* isolate = info.GetIsolate();
info.GetReturnValue().Set(v8::Array::New(isolate));
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), m_inspector);
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, int sessionId,
v8::Local<v8::Function> function,
V8DebuggerAgentImpl::BreakpointSource source,
const String16& condition, bool enable) {
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 (V8InspectorSessionImpl* session = helper.session(sessionId)) {
if (!session->debuggerAgent()->enabled()) return;
if (enable) {
session->debuggerAgent()->setBreakpointAt(
scriptId, lineNumber, columnNumber, source, condition);
} else {
session->debuggerAgent()->removeBreakpointAt(scriptId, lineNumber,
columnNumber, source);
}
}
}
void V8Console::debugFunctionCallback(
const v8::FunctionCallbackInfo<v8::Value>& info, int sessionId) {
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), m_inspector);
v8::Local<v8::Function> function;
if (!helper.firstArgAsFunction().ToLocal(&function)) return;
setFunctionBreakpoint(helper, sessionId, function,
V8DebuggerAgentImpl::DebugCommandBreakpointSource,
String16(), true);
}
void V8Console::undebugFunctionCallback(
const v8::FunctionCallbackInfo<v8::Value>& info, int sessionId) {
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), m_inspector);
v8::Local<v8::Function> function;
if (!helper.firstArgAsFunction().ToLocal(&function)) return;
setFunctionBreakpoint(helper, sessionId, function,
V8DebuggerAgentImpl::DebugCommandBreakpointSource,
String16(), false);
}
void V8Console::monitorFunctionCallback(
const v8::FunctionCallbackInfo<v8::Value>& info, int sessionId) {
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), m_inspector);
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, sessionId, function,
V8DebuggerAgentImpl::MonitorCommandBreakpointSource,
builder.toString(), true);
}
void V8Console::unmonitorFunctionCallback(
const v8::FunctionCallbackInfo<v8::Value>& info, int sessionId) {
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), m_inspector);
v8::Local<v8::Function> function;
if (!helper.firstArgAsFunction().ToLocal(&function)) return;
setFunctionBreakpoint(helper, sessionId, function,
V8DebuggerAgentImpl::MonitorCommandBreakpointSource,
String16(), false);
}
void V8Console::lastEvaluationResultCallback(
const v8::FunctionCallbackInfo<v8::Value>& info, int sessionId) {
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), m_inspector);
InjectedScript* injectedScript = helper.injectedScript(sessionId);
if (!injectedScript) return;
info.GetReturnValue().Set(injectedScript->lastEvaluationResult());
}
static void inspectImpl(const v8::FunctionCallbackInfo<v8::Value>& info,
v8::Local<v8::Value> value, int sessionId,
InspectRequest request, V8InspectorImpl* inspector) {
if (request == kRegular) info.GetReturnValue().Set(value);
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), inspector);
InjectedScript* injectedScript = helper.injectedScript(sessionId);
if (!injectedScript) return;
std::unique_ptr<protocol::Runtime::RemoteObject> wrappedObject;
protocol::Response response =
injectedScript->wrapObject(value, "", false /** forceValueType */,
false /** generatePreview */, &wrappedObject);
if (!response.isSuccess()) return;
std::unique_ptr<protocol::DictionaryValue> hints =
protocol::DictionaryValue::create();
if (request == kCopyToClipboard) {
hints->setBoolean("copyToClipboard", true);
} else if (request == kQueryObjects) {
hints->setBoolean("queryObjects", true);
}
if (V8InspectorSessionImpl* session = helper.session(sessionId)) {
session->runtimeAgent()->inspect(std::move(wrappedObject),
std::move(hints));
}
}
void V8Console::inspectCallback(const v8::FunctionCallbackInfo<v8::Value>& info,
int sessionId) {
if (info.Length() < 1) return;
inspectImpl(info, info[0], sessionId, kRegular, m_inspector);
}
void V8Console::copyCallback(const v8::FunctionCallbackInfo<v8::Value>& info,
int sessionId) {
if (info.Length() < 1) return;
inspectImpl(info, info[0], sessionId, kCopyToClipboard, m_inspector);
}
void V8Console::queryObjectsCallback(
const v8::FunctionCallbackInfo<v8::Value>& info, int sessionId) {
if (info.Length() < 1) return;
v8::Local<v8::Value> arg = info[0];
if (arg->IsFunction()) {
v8::Isolate* isolate = info.GetIsolate();
v8::TryCatch tryCatch(isolate);
v8::Local<v8::Value> prototype;
if (arg.As<v8::Function>()
->Get(isolate->GetCurrentContext(),
toV8StringInternalized(isolate, "prototype"))
.ToLocal(&prototype) &&
prototype->IsObject()) {
arg = prototype;
}
if (tryCatch.HasCaught()) {
tryCatch.ReThrow();
return;
}
}
inspectImpl(info, arg, sessionId, kQueryObjects, m_inspector);
}
void V8Console::inspectedObject(const v8::FunctionCallbackInfo<v8::Value>& info,
int sessionId, unsigned num) {
DCHECK(num < V8InspectorSessionImpl::kInspectedObjectBufferSize);
v8::debug::ConsoleCallArguments args(info);
ConsoleHelper helper(args, v8::debug::ConsoleContext(), m_inspector);
if (V8InspectorSessionImpl* session = helper.session(sessionId)) {
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));
}
}
void V8Console::installMemoryGetter(v8::Local<v8::Context> context,
v8::Local<v8::Object> console) {
v8::Isolate* isolate = context->GetIsolate();
v8::Local<v8::External> data = v8::External::New(isolate, this);
console->SetAccessorProperty(
toV8StringInternalized(isolate, "memory"),
v8::Function::New(context,
&V8Console::call<&V8Console::memoryGetterCallback>,
data, 0, v8::ConstructorBehavior::kThrow)
.ToLocalChecked(),
v8::Function::New(context,
&V8Console::call<&V8Console::memorySetterCallback>,
data, 0, v8::ConstructorBehavior::kThrow)
.ToLocalChecked(),
static_cast<v8::PropertyAttribute>(v8::None), v8::DEFAULT);
}
v8::Local<v8::Object> V8Console::createCommandLineAPI(
v8::Local<v8::Context> context, int sessionId) {
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);
// TODO(dgozman): this CommandLineAPIData instance leaks. Use PodArray maybe?
v8::Local<v8::External> data =
v8::External::New(isolate, new CommandLineAPIData(this, sessionId));
createBoundFunctionProperty(context, commandLineAPI, data, "dir",
&V8Console::call<&V8Console::Dir>,
"function dir(value) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, data, "dirxml",
&V8Console::call<&V8Console::DirXml>,
"function dirxml(value) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, data, "profile",
&V8Console::call<&V8Console::Profile>,
"function profile(title) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "profileEnd",
&V8Console::call<&V8Console::ProfileEnd>,
"function profileEnd(title) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, data, "clear",
&V8Console::call<&V8Console::Clear>,
"function clear() { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "table",
&V8Console::call<&V8Console::Table>,
"function table(data, [columns]) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, data, "keys",
&V8Console::call<&V8Console::keysCallback>,
"function keys(object) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, data, "values",
&V8Console::call<&V8Console::valuesCallback>,
"function values(object) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "debug",
&V8Console::call<&V8Console::debugFunctionCallback>,
"function debug(function) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "undebug",
&V8Console::call<&V8Console::undebugFunctionCallback>,
"function undebug(function) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "monitor",
&V8Console::call<&V8Console::monitorFunctionCallback>,
"function monitor(function) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "unmonitor",
&V8Console::call<&V8Console::unmonitorFunctionCallback>,
"function unmonitor(function) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "inspect",
&V8Console::call<&V8Console::inspectCallback>,
"function inspect(object) { [Command Line API] }");
createBoundFunctionProperty(context, commandLineAPI, data, "copy",
&V8Console::call<&V8Console::copyCallback>,
"function copy(value) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "queryObjects",
&V8Console::call<&V8Console::queryObjectsCallback>,
"function queryObjects(constructor) { [Command Line API] }");
createBoundFunctionProperty(
context, commandLineAPI, data, "$_",
&V8Console::call<&V8Console::lastEvaluationResultCallback>);
createBoundFunctionProperty(context, commandLineAPI, data, "$0",
&V8Console::call<&V8Console::inspectedObject0>);
createBoundFunctionProperty(context, commandLineAPI, data, "$1",
&V8Console::call<&V8Console::inspectedObject1>);
createBoundFunctionProperty(context, commandLineAPI, data, "$2",
&V8Console::call<&V8Console::inspectedObject2>);
createBoundFunctionProperty(context, commandLineAPI, data, "$3",
&V8Console::call<&V8Console::inspectedObject3>);
createBoundFunctionProperty(context, commandLineAPI, data, "$4",
&V8Console::call<&V8Console::inspectedObject4>);
m_inspector->client()->installAdditionalCommandLineAPI(context,
commandLineAPI);
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::MicrotasksScope microtasksScope(context->GetIsolate(),
v8::MicrotasksScope::kDoNotRunMicrotasks);
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() {
v8::MicrotasksScope microtasksScope(m_context->GetIsolate(),
v8::MicrotasksScope::kDoNotRunMicrotasks);
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