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111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
/*
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* \brief Interface of the printf backend
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* \author Norman Feske
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* \date 2006-04-08
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*/
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/*
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* Copyright (C) 2006-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__BASE__PRINTF_H_
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#define _INCLUDE__BASE__PRINTF_H_
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#include <stdarg.h>
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namespace Genode {
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/**
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* For your convenience...
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*/
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void printf(const char *format, ...) __attribute__((format(printf, 1, 2)));
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void vprintf(const char *format, va_list) __attribute__((format(printf, 1, 0)));
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}
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#define ESC_LOG "\033[33m"
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#define ESC_DBG "\033[33m"
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#define ESC_INF "\033[32m"
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#define ESC_WRN "\033[34m"
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#define ESC_ERR "\033[31m"
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#define ESC_END "\033[0m"
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/**
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* Remove colored output from release version
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*/
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#ifdef GENODE_RELEASE
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#undef ESC_LOG
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#undef ESC_DBG
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#undef ESC_INF
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#undef ESC_WRN
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#undef ESC_ERR
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#undef ESC_END
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#define ESC_LOG
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#define ESC_DBG
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#define ESC_INF
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#define ESC_WRN
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#define ESC_ERR
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#define ESC_END
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#endif /* GENODE_RELEASE */
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/*
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* We're using heavy CPP wizardry here to prevent compiler errors after macro
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* expansion. Each macro works as follows:
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*
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* - Support one format string plus zero or more arguments.
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* - Put all static strings (including the format string) in the first argument
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* of the call to printf() and let the compiler merge them.
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* - Append the function name (magic static string variable) as first argument.
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* - (Optionally) append the arguments to the macro with ", ##__VA_ARGS__". CPP
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* only appends the comma and arguments if __VA__ARGS__ is not empty,
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* otherwise nothing (not even the comma) is appended.
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*/
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/**
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* Suppress debug messages in release version
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*/
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#ifdef GENODE_RELEASE
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#define DO_PDBG false
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#define DO_PWRN false
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#else
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#define DO_PDBG true
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#define DO_PWRN true
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#endif /* GENODE_RELEASE */
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/**
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* Print debug message with function name
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*/
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#define PDBG(fmt, ...) \
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if (DO_PDBG) \
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Genode::printf("%s: " ESC_DBG fmt ESC_END "\n", \
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__PRETTY_FUNCTION__, ##__VA_ARGS__ )
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/**
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* Print log message
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*/
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#define PLOG(fmt, ...) \
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Genode::printf(ESC_LOG fmt ESC_END "\n", ##__VA_ARGS__ )
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/**
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* Print status-information message
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*/
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#define PINF(fmt, ...) \
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Genode::printf(ESC_INF fmt ESC_END "\n", ##__VA_ARGS__ )
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/**
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* Print warning message
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*/
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#define PWRN(fmt, ...) \
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if (DO_PWRN) \
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Genode::printf(ESC_WRN fmt ESC_END "\n", ##__VA_ARGS__ )
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/**
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* Print error message
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*/
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#define PERR(fmt, ...) \
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Genode::printf(ESC_ERR fmt ESC_END "\n", ##__VA_ARGS__ )
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#endif /* _INCLUDE__BASE__PRINTF_H_ */
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