debug/agent/native/log.h

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef LOG_H_
#define LOG_H_

#include <cstdarg>
#include <cstdio>

namespace debug {

// Logging methods that mimic Android's log library. You do not need to add your
// own newlines as these logging methods will do that automatically.
class Log {
 public:
  // Log a message at the verbose level
  static void V(const char* msg, ...) __attribute__((format(printf, 1, 2)));

  // Log a message at the debug level
  static void D(const char* msg, ...) __attribute__((format(printf, 1, 2)));

  // Log a message at the info level
  static void I(const char* msg, ...) __attribute__((format(printf, 1, 2)));

  // Log a message at the warning level
  static void W(const char* msg, ...) __attribute__((format(printf, 1, 2)));

  // Log a message at the error level
  static void E(const char* msg, ...) __attribute__((format(printf, 1, 2)));

 private:
  static void Handle(const char level, const char* fmt, va_list args);

  static constexpr const char* const kTag = "StudioDebug";
};

}  // namespace debug

#endif  // LOG_H_