106 lines
4.0 KiB
C
106 lines
4.0 KiB
C
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/**
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* \file
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*
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* \brief Preprocessor token pasting utils.
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*
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* Copyright (c) 2010-2015 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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*/
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/*
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* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
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*/
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#ifndef _TPASTE_H_
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#define _TPASTE_H_
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/**
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* \defgroup group_sam_utils_tpaste Preprocessor - Token Paste
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*
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* \ingroup group_sam_utils
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*
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* \{
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*/
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/*! \name Token Paste
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*
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* Paste N preprocessing tokens together, these tokens being allowed to be \#defined.
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*
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* May be used only within macros with the tokens passed as arguments if the tokens are \#defined.
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*
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* For example, writing TPASTE2(U, WIDTH) within a macro \#defined by
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* UTYPE(WIDTH) and invoked as UTYPE(UL_WIDTH) with UL_WIDTH \#defined as 32 is
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* equivalent to writing U32.
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*/
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//! @{
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#define TPASTE2( a, b) a##b
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#define TPASTE3( a, b, c) a##b##c
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#define TPASTE4( a, b, c, d) a##b##c##d
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#define TPASTE5( a, b, c, d, e) a##b##c##d##e
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#define TPASTE6( a, b, c, d, e, f) a##b##c##d##e##f
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#define TPASTE7( a, b, c, d, e, f, g) a##b##c##d##e##f##g
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#define TPASTE8( a, b, c, d, e, f, g, h) a##b##c##d##e##f##g##h
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#define TPASTE9( a, b, c, d, e, f, g, h, i) a##b##c##d##e##f##g##h##i
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#define TPASTE10(a, b, c, d, e, f, g, h, i, j) a##b##c##d##e##f##g##h##i##j
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//! @}
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/*! \name Absolute Token Paste
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*
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* Paste N preprocessing tokens together, these tokens being allowed to be \#defined.
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*
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* No restriction of use if the tokens are \#defined.
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*
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* For example, writing ATPASTE2(U, UL_WIDTH) anywhere with UL_WIDTH \#defined
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* as 32 is equivalent to writing U32.
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*/
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//! @{
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#define ATPASTE2( a, b) TPASTE2( a, b)
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#define ATPASTE3( a, b, c) TPASTE3( a, b, c)
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#define ATPASTE4( a, b, c, d) TPASTE4( a, b, c, d)
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#define ATPASTE5( a, b, c, d, e) TPASTE5( a, b, c, d, e)
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#define ATPASTE6( a, b, c, d, e, f) TPASTE6( a, b, c, d, e, f)
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#define ATPASTE7( a, b, c, d, e, f, g) TPASTE7( a, b, c, d, e, f, g)
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#define ATPASTE8( a, b, c, d, e, f, g, h) TPASTE8( a, b, c, d, e, f, g, h)
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#define ATPASTE9( a, b, c, d, e, f, g, h, i) TPASTE9( a, b, c, d, e, f, g, h, i)
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#define ATPASTE10(a, b, c, d, e, f, g, h, i, j) TPASTE10(a, b, c, d, e, f, g, h, i, j)
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//! @}
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/**
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* \}
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*/
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#endif // _TPASTE_H_
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