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mbed 2
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platform/mbed_preprocessor.h@172:65be27845400, 2019-02-20 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Feb 20 20:53:29 2019 +0000
- Revision:
- 172:65be27845400
- Parent:
- 161:aa5281ff4a02
mbed library release version 165
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 130:d75b3fe1f5cb | 1 | /** \addtogroup platform */ |
<> | 130:d75b3fe1f5cb | 2 | /** @{*/ |
AnnaBridge | 158:1c57384330a6 | 3 | /** |
AnnaBridge | 158:1c57384330a6 | 4 | * \defgroup platform_preprocessor preprocessor macros |
AnnaBridge | 158:1c57384330a6 | 5 | * @{ |
AnnaBridge | 158:1c57384330a6 | 6 | */ |
AnnaBridge | 158:1c57384330a6 | 7 | |
<> | 130:d75b3fe1f5cb | 8 | /* mbed Microcontroller Library |
<> | 130:d75b3fe1f5cb | 9 | * Copyright (c) 2006-2013 ARM Limited |
AnnaBridge | 172:65be27845400 | 10 | * SPDX-License-Identifier: Apache-2.0 |
<> | 130:d75b3fe1f5cb | 11 | * |
<> | 130:d75b3fe1f5cb | 12 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 130:d75b3fe1f5cb | 13 | * you may not use this file except in compliance with the License. |
<> | 130:d75b3fe1f5cb | 14 | * You may obtain a copy of the License at |
<> | 130:d75b3fe1f5cb | 15 | * |
<> | 130:d75b3fe1f5cb | 16 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 130:d75b3fe1f5cb | 17 | * |
<> | 130:d75b3fe1f5cb | 18 | * Unless required by applicable law or agreed to in writing, software |
<> | 130:d75b3fe1f5cb | 19 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 130:d75b3fe1f5cb | 20 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 130:d75b3fe1f5cb | 21 | * See the License for the specific language governing permissions and |
<> | 130:d75b3fe1f5cb | 22 | * limitations under the License. |
<> | 130:d75b3fe1f5cb | 23 | */ |
<> | 130:d75b3fe1f5cb | 24 | #ifndef MBED_PREPROCESSOR_H |
<> | 130:d75b3fe1f5cb | 25 | #define MBED_PREPROCESSOR_H |
<> | 130:d75b3fe1f5cb | 26 | |
<> | 130:d75b3fe1f5cb | 27 | |
<> | 130:d75b3fe1f5cb | 28 | /** MBED_CONCAT |
<> | 130:d75b3fe1f5cb | 29 | * Concatenate tokens together |
<> | 130:d75b3fe1f5cb | 30 | * |
<> | 130:d75b3fe1f5cb | 31 | * @note |
<> | 130:d75b3fe1f5cb | 32 | * Expands tokens before concatenation |
<> | 130:d75b3fe1f5cb | 33 | * |
<> | 130:d75b3fe1f5cb | 34 | * @code |
<> | 130:d75b3fe1f5cb | 35 | * // Creates a unique label based on the line number |
<> | 130:d75b3fe1f5cb | 36 | * int MBED_CONCAT(UNIQUE_LABEL_, __LINE__) = 1; |
<> | 130:d75b3fe1f5cb | 37 | * @endcode |
<> | 130:d75b3fe1f5cb | 38 | */ |
<> | 130:d75b3fe1f5cb | 39 | #define MBED_CONCAT(a, b) MBED_CONCAT_(a, b) |
<> | 130:d75b3fe1f5cb | 40 | #define MBED_CONCAT_(a, b) a##b |
<> | 130:d75b3fe1f5cb | 41 | |
<> | 130:d75b3fe1f5cb | 42 | /** MBED_STRINGIFY |
<> | 130:d75b3fe1f5cb | 43 | * Converts tokens into strings |
<> | 130:d75b3fe1f5cb | 44 | * |
<> | 130:d75b3fe1f5cb | 45 | * @note |
<> | 130:d75b3fe1f5cb | 46 | * Expands tokens before stringification |
<> | 130:d75b3fe1f5cb | 47 | * |
<> | 130:d75b3fe1f5cb | 48 | * @code |
<> | 130:d75b3fe1f5cb | 49 | * // Creates a string based on the parameters |
<> | 130:d75b3fe1f5cb | 50 | * const char *c = MBED_STRINGIFY(This is a ridiculous way to create a string) |
<> | 130:d75b3fe1f5cb | 51 | * @endcode |
<> | 130:d75b3fe1f5cb | 52 | */ |
<> | 130:d75b3fe1f5cb | 53 | #define MBED_STRINGIFY(a) MBED_STRINGIFY_(a) |
<> | 130:d75b3fe1f5cb | 54 | #define MBED_STRINGIFY_(a) #a |
<> | 130:d75b3fe1f5cb | 55 | |
AnnaBridge | 161:aa5281ff4a02 | 56 | /** MBED_STRLEN |
AnnaBridge | 161:aa5281ff4a02 | 57 | * Reports string token length |
AnnaBridge | 161:aa5281ff4a02 | 58 | * |
AnnaBridge | 161:aa5281ff4a02 | 59 | * @note |
AnnaBridge | 161:aa5281ff4a02 | 60 | * Expands tokens before calculating length |
AnnaBridge | 161:aa5281ff4a02 | 61 | * |
AnnaBridge | 161:aa5281ff4a02 | 62 | * @code |
AnnaBridge | 161:aa5281ff4a02 | 63 | * // Get string length |
AnnaBridge | 161:aa5281ff4a02 | 64 | * const int len = MBED_STRLEN("Get the length") |
AnnaBridge | 161:aa5281ff4a02 | 65 | * @endcode |
AnnaBridge | 161:aa5281ff4a02 | 66 | */ |
AnnaBridge | 161:aa5281ff4a02 | 67 | #define MBED_STRLEN(a) MBED_STRLEN_(a) |
AnnaBridge | 161:aa5281ff4a02 | 68 | #define MBED_STRLEN_(a) (sizeof(a) - 1) |
AnnaBridge | 161:aa5281ff4a02 | 69 | |
AnnaBridge | 161:aa5281ff4a02 | 70 | /** MBED_COUNT_VA_ARGS(...) |
AnnaBridge | 161:aa5281ff4a02 | 71 | * Reports number of tokens passed |
AnnaBridge | 161:aa5281ff4a02 | 72 | * |
AnnaBridge | 161:aa5281ff4a02 | 73 | * @note |
AnnaBridge | 161:aa5281ff4a02 | 74 | * Token limit is 16 |
AnnaBridge | 161:aa5281ff4a02 | 75 | * |
AnnaBridge | 161:aa5281ff4a02 | 76 | * @code |
AnnaBridge | 161:aa5281ff4a02 | 77 | * // Get number of arguments |
AnnaBridge | 161:aa5281ff4a02 | 78 | * const int count = MBED_COUNT_VA_ARGS("Address 0x%x, Data[0] = %d Data[1] = %d", 0x20001234, 10, 20) |
AnnaBridge | 161:aa5281ff4a02 | 79 | * @endcode |
AnnaBridge | 161:aa5281ff4a02 | 80 | */ |
AnnaBridge | 161:aa5281ff4a02 | 81 | #define MBED_COUNT_VA_ARGS(...) GET_NTH_ARG_(__VA_ARGS__, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1) |
AnnaBridge | 161:aa5281ff4a02 | 82 | #define GET_NTH_ARG_(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, N, ...) N |
<> | 130:d75b3fe1f5cb | 83 | |
<> | 130:d75b3fe1f5cb | 84 | #endif |
<> | 130:d75b3fe1f5cb | 85 | |
<> | 130:d75b3fe1f5cb | 86 | /** @}*/ |
AnnaBridge | 158:1c57384330a6 | 87 | /** @}*/ |