4 * \brief Preprocessor token pasting utils.
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6 * Copyright (c) 2010-2012 Atmel Corporation. All rights reserved.
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10 * Redistribution and use in source and binary forms, with or without
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11 * modification, are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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16 * 2. Redistributions in binary form must reproduce the above copyright notice,
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17 * this list of conditions and the following disclaimer in the documentation
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18 * and/or other materials provided with the distribution.
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20 * 3. The name of Atmel may not be used to endorse or promote products derived
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21 * from this software without specific prior written permission.
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23 * 4. This software may only be redistributed and used in connection with an
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24 * Atmel microcontroller product.
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26 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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29 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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35 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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36 * POSSIBILITY OF SUCH DAMAGE.
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46 * \defgroup group_sam_utils_tpaste Preprocessor - Token Paste
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48 * \ingroup group_sam_utils
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53 /*! \name Token Paste
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55 * Paste N preprocessing tokens together, these tokens being allowed to be \#defined.
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57 * May be used only within macros with the tokens passed as arguments if the tokens are \#defined.
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59 * For example, writing TPASTE2(U, WIDTH) within a macro \#defined by
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60 * UTYPE(WIDTH) and invoked as UTYPE(UL_WIDTH) with UL_WIDTH \#defined as 32 is
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61 * equivalent to writing U32.
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64 #define TPASTE2( a, b) a##b
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65 #define TPASTE3( a, b, c) a##b##c
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66 #define TPASTE4( a, b, c, d) a##b##c##d
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67 #define TPASTE5( a, b, c, d, e) a##b##c##d##e
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68 #define TPASTE6( a, b, c, d, e, f) a##b##c##d##e##f
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69 #define TPASTE7( a, b, c, d, e, f, g) a##b##c##d##e##f##g
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70 #define TPASTE8( a, b, c, d, e, f, g, h) a##b##c##d##e##f##g##h
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71 #define TPASTE9( a, b, c, d, e, f, g, h, i) a##b##c##d##e##f##g##h##i
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72 #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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75 /*! \name Absolute Token Paste
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77 * Paste N preprocessing tokens together, these tokens being allowed to be \#defined.
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79 * No restriction of use if the tokens are \#defined.
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81 * For example, writing ATPASTE2(U, UL_WIDTH) anywhere with UL_WIDTH \#defined
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82 * as 32 is equivalent to writing U32.
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85 #define ATPASTE2( a, b) TPASTE2( a, b)
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86 #define ATPASTE3( a, b, c) TPASTE3( a, b, c)
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87 #define ATPASTE4( a, b, c, d) TPASTE4( a, b, c, d)
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88 #define ATPASTE5( a, b, c, d, e) TPASTE5( a, b, c, d, e)
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89 #define ATPASTE6( a, b, c, d, e, f) TPASTE6( a, b, c, d, e, f)
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90 #define ATPASTE7( a, b, c, d, e, f, g) TPASTE7( a, b, c, d, e, f, g)
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91 #define ATPASTE8( a, b, c, d, e, f, g, h) TPASTE8( a, b, c, d, e, f, g, h)
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92 #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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93 #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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100 #endif // _TPASTE_H_
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