1 /** 2 * \file 3 * 4 * \brief Preprocessor token pasting utils. 5 * 6 * Copyright (c) 2010-2015 Atmel Corporation. All rights reserved. 7 * 8 * \asf_license_start 9 * 10 * \page License 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions are met: 14 * 15 * 1. Redistributions of source code must retain the above copyright notice, 16 * this list of conditions and the following disclaimer. 17 * 18 * 2. Redistributions in binary form must reproduce the above copyright notice, 19 * this list of conditions and the following disclaimer in the documentation 20 * and/or other materials provided with the distribution. 21 * 22 * 3. The name of Atmel may not be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * 4. This software may only be redistributed and used in connection with an 26 * Atmel microcontroller product. 27 * 28 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 30 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 31 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR 32 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 * 40 * \asf_license_stop 41 * 42 */ 43 /* 44 * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> 45 */ 46 47 #ifndef _TPASTE_H_ 48 #define _TPASTE_H_ 49 50 /** 51 * \defgroup group_sam_utils_tpaste Preprocessor - Token Paste 52 * 53 * \ingroup group_sam_utils 54 * 55 * \{ 56 */ 57 58 /*! \name Token Paste 59 * 60 * Paste N preprocessing tokens together, these tokens being allowed to be \#defined. 61 * 62 * May be used only within macros with the tokens passed as arguments if the tokens are \#defined. 63 * 64 * For example, writing TPASTE2(U, WIDTH) within a macro \#defined by 65 * UTYPE(WIDTH) and invoked as UTYPE(UL_WIDTH) with UL_WIDTH \#defined as 32 is 66 * equivalent to writing U32. 67 */ 68 //! @{ 69 #define TPASTE2( a, b) a##b 70 #define TPASTE3( a, b, c) a##b##c 71 #define TPASTE4( a, b, c, d) a##b##c##d 72 #define TPASTE5( a, b, c, d, e) a##b##c##d##e 73 #define TPASTE6( a, b, c, d, e, f) a##b##c##d##e##f 74 #define TPASTE7( a, b, c, d, e, f, g) a##b##c##d##e##f##g 75 #define TPASTE8( a, b, c, d, e, f, g, h) a##b##c##d##e##f##g##h 76 #define TPASTE9( a, b, c, d, e, f, g, h, i) a##b##c##d##e##f##g##h##i 77 #define TPASTE10(a, b, c, d, e, f, g, h, i, j) a##b##c##d##e##f##g##h##i##j 78 //! @} 79 80 /*! \name Absolute Token Paste 81 * 82 * Paste N preprocessing tokens together, these tokens being allowed to be \#defined. 83 * 84 * No restriction of use if the tokens are \#defined. 85 * 86 * For example, writing ATPASTE2(U, UL_WIDTH) anywhere with UL_WIDTH \#defined 87 * as 32 is equivalent to writing U32. 88 */ 89 //! @{ 90 #define ATPASTE2( a, b) TPASTE2( a, b) 91 #define ATPASTE3( a, b, c) TPASTE3( a, b, c) 92 #define ATPASTE4( a, b, c, d) TPASTE4( a, b, c, d) 93 #define ATPASTE5( a, b, c, d, e) TPASTE5( a, b, c, d, e) 94 #define ATPASTE6( a, b, c, d, e, f) TPASTE6( a, b, c, d, e, f) 95 #define ATPASTE7( a, b, c, d, e, f, g) TPASTE7( a, b, c, d, e, f, g) 96 #define ATPASTE8( a, b, c, d, e, f, g, h) TPASTE8( a, b, c, d, e, f, g, h) 97 #define ATPASTE9( a, b, c, d, e, f, g, h, i) TPASTE9( a, b, c, d, e, f, g, h, i) 98 #define ATPASTE10(a, b, c, d, e, f, g, h, i, j) TPASTE10(a, b, c, d, e, f, g, h, i, j) 99 //! @} 100 101 /** 102 * \} 103 */ 104 105 #endif // _TPASTE_H_ 106