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// Copyright 2014 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 "extensions/renderer/logging_native_handler.h"
#include "base/bind.h"
#include "base/logging.h"
#include "extensions/renderer/script_context.h"
namespace extensions {
LoggingNativeHandler::LoggingNativeHandler(ScriptContext* context)
: ObjectBackedNativeHandler(context) {}
LoggingNativeHandler::~LoggingNativeHandler() {}
void LoggingNativeHandler::AddRoutes() {
RouteHandlerFunction("DCHECK",
base::BindRepeating(&LoggingNativeHandler::Dcheck,
base::Unretained(this)));
RouteHandlerFunction("CHECK",
base::BindRepeating(&LoggingNativeHandler::Check,
base::Unretained(this)));
// A blatant ugly hack to get around our "dcheck is on" validity presubmit
// checks (which assert that it's always written as `#if DCHECK_IS_ON()`).
constexpr char kDCheckIsOnFunctionKey[] =
"DCHECK_IS_"
"ON";
RouteHandlerFunction(kDCheckIsOnFunctionKey,
base::BindRepeating(&LoggingNativeHandler::DcheckIsOn,
base::Unretained(this)));
RouteHandlerFunction("LOG", base::BindRepeating(&LoggingNativeHandler::Log,
base::Unretained(this)));
RouteHandlerFunction("WARNING",
base::BindRepeating(&LoggingNativeHandler::Warning,
base::Unretained(this)));
}
void LoggingNativeHandler::Check(
const v8::FunctionCallbackInfo<v8::Value>& args) {
bool check_value;
std::string error_message;
ParseArgs(args, &check_value, &error_message);
CHECK(check_value) << error_message;
}
void LoggingNativeHandler::Dcheck(
const v8::FunctionCallbackInfo<v8::Value>& args) {
bool check_value;
std::string error_message;
ParseArgs(args, &check_value, &error_message);
DCHECK(check_value) << error_message;
}
void LoggingNativeHandler::DcheckIsOn(
const v8::FunctionCallbackInfo<v8::Value>& args) {
args.GetReturnValue().Set(DCHECK_IS_ON());
}
void LoggingNativeHandler::Log(
const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK_EQ(1, args.Length());
LOG(INFO) << *v8::String::Utf8Value(args.GetIsolate(), args[0]);
}
void LoggingNativeHandler::Warning(
const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK_EQ(1, args.Length());
LOG(WARNING) << *v8::String::Utf8Value(args.GetIsolate(), args[0]);
}
void LoggingNativeHandler::ParseArgs(
const v8::FunctionCallbackInfo<v8::Value>& args,
bool* check_value,
std::string* error_message) {
CHECK_LE(args.Length(), 2);
*check_value = args[0]->BooleanValue(context()->isolate());
if (args.Length() == 2) {
*error_message = "Error: " + std::string(*v8::String::Utf8Value(
args.GetIsolate(), args[1]));
}
if (!check_value)
*error_message += "\n" + context()->GetStackTraceAsString();
}
} // namespace extensions
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