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// Copyright 2020 The Pigweed Authors
//
// 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
//
// https://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.
#pragma once
#include "pw_preprocessor/arguments.h"
#include "pw_preprocessor/compiler.h"
#include "pw_preprocessor/util.h"
PW_EXTERN_C_START
// Log a message with the listed attributes.
void pw_Log(int level,
unsigned int flags,
const char* module_name,
const char* file_name,
int line_number,
const char* function_name,
const char* message,
...) PW_PRINTF_FORMAT(7, 8);
PW_EXTERN_C_END
// Log a message with many attributes included.
//
// This is the log macro frontend that funnels everything into the C handler
// above, pw_Log(). It's not efficient at the callsite, since it passes many
// arguments. Additionally, the use of the __FUNC__ macro adds a static const
// char[] variable inside functions with a log.
//
// TODO: b/235289435 - Reconsider the naming of this module when more is in
// place.
#define PW_HANDLE_LOG(level, module, flags, message, ...) \
do { \
pw_Log((level), \
(flags), \
module, \
__FILE__, \
__LINE__, \
__func__, \
message PW_COMMA_ARGS(__VA_ARGS__)); \
} while (0)
#ifdef __cplusplus
#include <string_view>
namespace pw::log_basic {
// Sets the function to use to send log messages. Defaults to
// pw::sys_io::WriteLine.
void SetOutput(void (*log_output)(std::string_view log));
} // namespace pw::log_basic
#endif // __cplusplus
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