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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/renderer/console.h"
#include "base/compiler_specific.h"
#include "base/debug/alias.h"
#include "base/lazy_instance.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "extensions/renderer/get_script_context.h"
#include "extensions/renderer/script_context.h"
#include "extensions/renderer/script_context_set.h"
#include "extensions/renderer/v8_helpers.h"
#include "extensions/renderer/worker_thread_dispatcher.h"
#include "gin/converter.h"
#include "gin/per_isolate_data.h"
#include "third_party/blink/public/web/web_console_message.h"
#include "v8/include/v8-function-callback.h"
#include "v8/include/v8-primitive.h"
#include "v8/include/v8-template.h"
namespace extensions {
namespace console {
namespace {
// Writes |message| to stack to show up in minidump, then crashes.
void CheckWithMinidump(const std::string& message) {
DEBUG_ALIAS_FOR_CSTR(minidump, message.c_str(), 1024);
CHECK(false) << message;
}
void BoundLogMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
std::string message;
for (int i = 0; i < info.Length(); ++i) {
if (i > 0)
message += " ";
message += *v8::String::Utf8Value(info.GetIsolate(), info[i]);
}
ScriptContext* script_context =
GetScriptContextFromV8Context(info.GetIsolate()->GetCurrentContext());
// TODO(devlin): Consider (D)CHECK(script_context)
const auto level = static_cast<blink::mojom::ConsoleMessageLevel>(
info.Data().As<v8::Int32>()->Value());
AddMessage(script_context, level, message);
}
gin::WrapperInfo kWrapperInfo = {gin::kEmbedderNativeGin};
} // namespace
void Fatal(ScriptContext* context, const std::string& message) {
AddMessage(context, blink::mojom::ConsoleMessageLevel::kError, message);
CheckWithMinidump(message);
}
void AddMessage(ScriptContext* script_context,
blink::mojom::ConsoleMessageLevel level,
const std::string& message) {
if (!script_context) {
LOG(WARNING) << "Could not log \"" << message
<< "\": no ScriptContext found";
return;
}
if (!script_context->is_valid()) {
LOG(WARNING) << "Could not log \"" << message
<< "\": ScriptContext invalidated.";
return;
}
blink::WebConsoleMessage web_console_message(
level, blink::WebString::FromUTF8(message));
blink::WebConsoleMessage::LogWebConsoleMessage(script_context->v8_context(),
web_console_message);
}
v8::Local<v8::Object> AsV8Object(v8::Isolate* isolate) {
v8::EscapableHandleScope handle_scope(isolate);
gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(&kWrapperInfo);
if (templ.IsEmpty()) {
templ = v8::ObjectTemplate::New(isolate);
static const struct {
const char* name;
blink::mojom::ConsoleMessageLevel level;
} methods[] = {
{"debug", blink::mojom::ConsoleMessageLevel::kVerbose},
{"log", blink::mojom::ConsoleMessageLevel::kInfo},
{"warn", blink::mojom::ConsoleMessageLevel::kWarning},
{"error", blink::mojom::ConsoleMessageLevel::kError},
};
for (const auto& method : methods) {
v8::Local<v8::FunctionTemplate> function = v8::FunctionTemplate::New(
isolate, BoundLogMethodCallback,
v8::Integer::New(isolate, static_cast<int>(method.level)),
v8::Local<v8::Signature>(), 0, v8::ConstructorBehavior::kThrow);
templ->Set(gin::StringToSymbol(isolate, method.name), function);
}
data->SetObjectTemplate(&kWrapperInfo, templ);
}
return handle_scope.Escape(
templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked());
}
} // namespace console
} // namespace extensions
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