rt-thread/bsp/avr32/software_framework/utils/preprocessor/tpaste.h

/*****************************************************************************
 *
 * \file
 *
 * \brief Preprocessor token pasting utils.
 *
 * Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
 *
 * \asf_license_start
 *
 * \page License
 *
 * Subject to your compliance with these terms, you may use Microchip
 * software and any derivatives exclusively with Microchip products.
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 * to your use of third party software (including open source software) that
 * may accompany Microchip software.
 *
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 * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
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 ******************************************************************************/
/*
 * Support and FAQ: visit <a href="https://www.microchip.com/support/">Microchip Support</a>
 */


#ifndef _TPASTE_H_
#define _TPASTE_H_

/**
 * \defgroup group_avr32_utils_tpaste Preprocessor - Token Paste
 *
 * \ingroup group_avr32_utils
 *
 * \{
 */

/*! \name Token Paste
 *
 * Paste N preprocessing tokens together, these tokens being allowed to be \#defined.
 *
 * May be used only within macros with the tokens passed as arguments if the tokens are \#defined.
 *
 * For example, writing TPASTE2(U, WIDTH) within a macro \#defined by
 * UTYPE(WIDTH) and invoked as UTYPE(UL_WIDTH) with UL_WIDTH \#defined as 32 is
 * equivalent to writing U32.
 */
//! @{
#define TPASTE2( a, b)                            a##b
#define TPASTE3( a, b, c)                         a##b##c
#define TPASTE4( a, b, c, d)                      a##b##c##d
#define TPASTE5( a, b, c, d, e)                   a##b##c##d##e
#define TPASTE6( a, b, c, d, e, f)                a##b##c##d##e##f
#define TPASTE7( a, b, c, d, e, f, g)             a##b##c##d##e##f##g
#define TPASTE8( a, b, c, d, e, f, g, h)          a##b##c##d##e##f##g##h
#define TPASTE9( a, b, c, d, e, f, g, h, i)       a##b##c##d##e##f##g##h##i
#define TPASTE10(a, b, c, d, e, f, g, h, i, j)    a##b##c##d##e##f##g##h##i##j
//! @}

/*! \name Absolute Token Paste
 *
 * Paste N preprocessing tokens together, these tokens being allowed to be \#defined.
 *
 * No restriction of use if the tokens are \#defined.
 *
 * For example, writing ATPASTE2(U, UL_WIDTH) anywhere with UL_WIDTH \#defined
 * as 32 is equivalent to writing U32.
 */
//! @{
#define ATPASTE2( a, b)                           TPASTE2( a, b)
#define ATPASTE3( a, b, c)                        TPASTE3( a, b, c)
#define ATPASTE4( a, b, c, d)                     TPASTE4( a, b, c, d)
#define ATPASTE5( a, b, c, d, e)                  TPASTE5( a, b, c, d, e)
#define ATPASTE6( a, b, c, d, e, f)               TPASTE6( a, b, c, d, e, f)
#define ATPASTE7( a, b, c, d, e, f, g)            TPASTE7( a, b, c, d, e, f, g)
#define ATPASTE8( a, b, c, d, e, f, g, h)         TPASTE8( a, b, c, d, e, f, g, h)
#define ATPASTE9( a, b, c, d, e, f, g, h, i)      TPASTE9( a, b, c, d, e, f, g, h, i)
#define ATPASTE10(a, b, c, d, e, f, g, h, i, j)   TPASTE10(a, b, c, d, e, f, g, h, i, j)
//! @}

/**
 * \}
 */

#endif  // _TPASTE_H_