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// This file is part of "austin" which is released under GPL.
//
// See file LICENCE or go to http://www.gnu.org/licenses/ for full license
// details.
//
// Austin is a Python frame stack sampler for CPython.
//
// Copyright (c) 2018 Gabriele N. Tornetta <phoenix1987@gmail.com>.
// All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef LOGGING_H
#define LOGGING_H
#ifdef TRACE
#define DEBUG
#endif
#include "argparse.h"
#include "austin.h"
#define META_HEAD "# "
#define META_SEP ": "
#define NL {if (!pargs.binary) fputc('\n', pargs.output_file);}
#define meta(key, ...) \
fputs(META_HEAD, pargs.output_file); \
fputs(key, pargs.output_file); \
fputs(META_SEP, pargs.output_file); \
fprintf(pargs.output_file, __VA_ARGS__); \
NL;
#if defined __clang__
#define COMPILER "clang"
#define COMPILER_MAJOR __clang_major__
#define COMPILER_MINOR __clang_minor__
#define COMPILER_PATCH __clang_patchlevel__
#elif defined __MUSL__
#define COMPILER "musl-gcc"
#define COMPILER_MAJOR __GNUC__
#define COMPILER_MINOR __GNUC_MINOR__
#define COMPILER_PATCH __GNUC_PATCHLEVEL__
#elif defined __GNUC__
#define COMPILER "gcc"
#define COMPILER_MAJOR __GNUC__
#define COMPILER_MINOR __GNUC_MINOR__
#define COMPILER_PATCH __GNUC_PATCHLEVEL__
#elif defined _MSC_VER
#define COMPILER "msvc"
#define COMPILER_MAJOR _MSC_VER / 100
#define COMPILER_MINOR _MSC_VER % 100
#define COMPILER_PATCH _MSC_BUILD
#endif
#ifdef NATIVE
#define log_header() { \
log_m("\033[1m _ _ \033[0m"); \
log_m("\033[1m __ _ _ _ __| |_(_)_ _ \033[0m"); \
log_m("\033[1m/ _` | || (_-< _| | ' \\ \033[0m"); \
log_m("\033[1m\\__,_|\\_,_/__/\\__|_|_||_|\033[0m\033[31;1mp\033[0m \033[36;1m" VERSION "\033[0m [" COMPILER " %d.%d.%d]", COMPILER_MAJOR, COMPILER_MINOR, COMPILER_PATCH); \
log_i("====[ AUSTINP ]===="); \
}
#else
#define log_header() { \
log_m("\033[1m _ _ \033[0m "); \
log_m("\033[1m __ _ _ _ __| |_(_)_ _ \033[0m"); \
log_m("\033[1m/ _` | || (_-< _| | ' \\ \033[0m"); \
log_m("\033[1m\\__,_|\\_,_/__/\\__|_|_||_|\033[0m \033[36;1m" VERSION "\033[0m [" COMPILER " %d.%d.%d]", COMPILER_MAJOR, COMPILER_MINOR, COMPILER_PATCH); \
log_i("====[ AUSTIN ]===="); \
}
#endif
#define log_footer() {}
/**
* Initialise logger.
*
* This must be called before making any logging requests.
*/
void
logger_init(void);
/**
* Log an entry at the various supported levels.
*/
void
log_f(const char *, ...);
void
log_e(const char *, ...);
void
log_w(const char *, ...);
void
log_i(const char *, ...);
void
log_m(const char *, ...); // metrics
/**
* Log indirect error.
*
* Messages logged this way are prepended with a symbol that indicates that
* they are a consequence of the error right above. A root cause is then an
* unprefixed error/fatal log entry.
*/
#define log_ie(msg) log_e("> " msg)
#ifdef DEBUG
void
log_d(const char *, ...);
#else
#define log_d(f, args...) {}
#endif
#ifdef TRACE
void
log_t(const char *, ...);
#else
#define log_t(f, args...) {}
#endif
/**
* Close the logger.
*
* This should be called as soon as the logger is no longer required.
*/
void
logger_close(void);
void
log_meta_header(void);
#endif // LOGGING_H
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