mirror of https://github.com/ARMmbed/mbed-os.git
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/** \addtogroup platform */
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/** @{*/
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/**
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* \defgroup platform_preprocessor preprocessor macros
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* @{
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*/
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/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBED_PREPROCESSOR_H
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#define MBED_PREPROCESSOR_H
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/** MBED_CONCAT
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* Concatenate tokens together
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*
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* @note
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* Expands tokens before concatenation
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*
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* @code
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* // Creates a unique label based on the line number
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* int MBED_CONCAT(UNIQUE_LABEL_, __LINE__) = 1;
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* @endcode
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*/
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#define MBED_CONCAT(a, b) MBED_CONCAT_(a, b)
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#define MBED_CONCAT_(a, b) a##b
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/** MBED_STRINGIFY
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* Converts tokens into strings
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*
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* @note
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* Expands tokens before stringification
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*
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* @code
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* // Creates a string based on the parameters
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* const char *c = MBED_STRINGIFY(This is a ridiculous way to create a string)
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* @endcode
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*/
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#define MBED_STRINGIFY(a) MBED_STRINGIFY_(a)
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#define MBED_STRINGIFY_(a) #a
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#endif
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/** @}*/
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/** @}*/
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