/* * Copyright (c) 2011-2014, Wind River Systems, Inc. * * SPDX-License-Identifier: Apache-2.0 */ #pragma once /** @brief Return larger value of two provided expressions. * * @note Arguments are evaluated twice. See Z_MAX for GCC only, single * evaluation version. */ #ifndef MAX #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #endif /** @brief Return smaller value of two provided expressions. * * @note Arguments are evaluated twice. See Z_MIN for GCC only, single * evaluation version. */ #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif #define BIT(n) (1UL << (n)) /** 64-bit unsigned integer with bit position _n set */ #define BIT64(_n) (1ULL << (_n)) /** * @brief Macro sets or clears bit depending on boolean value * * @param var Variable to be altered * @param bit Bit number * @param set Value 0 clears bit, any other value sets bit */ #define WRITE_BIT(var, bit, set) \ ((var) = (set) ? ((var) | BIT(bit)) : ((var) & ~BIT(bit))) #define BIT_MASK(n) (BIT(n) - 1) /** * @brief Macro with empty replacement list * * This trivial definition is provided to use where macro is expected * to evaluate to empty replacement string or when it is needed to * cheat checkpatch. * * Examples * * #define LIST_ITEM(n) , item##n * * would cause error with checkpatch, but: * * #define LIST_TIEM(n) EMPTY, item##m * * would not. */ #define EMPTY /** * @brief Get first argument from variable list of arguments */ #define GET_ARG1(arg1, ...) arg1 /** * @brief Get second argument from variable list of arguments */ #define GET_ARG2(arg1, arg2, ...) arg2 /** * @brief Get all arguments except the first one. */ #define GET_ARGS_LESS_1(val, ...) __VA_ARGS__ /** * Macros for doing code-generation with the preprocessor. * * Generally it is better to generate code with the preprocessor than * to copy-paste code or to generate code with the build system / * python script's etc. * * http://stackoverflow.com/a/12540675 */ #define UTIL_EMPTY(...) #define UTIL_DEFER(...) __VA_ARGS__ UTIL_EMPTY() #define UTIL_OBSTRUCT(...) __VA_ARGS__ UTIL_DEFER(UTIL_EMPTY)() #define UTIL_EXPAND(...) __VA_ARGS__ #define UTIL_EVAL(...) UTIL_EVAL1(UTIL_EVAL1(UTIL_EVAL1(__VA_ARGS__))) #define UTIL_EVAL1(...) UTIL_EVAL2(UTIL_EVAL2(UTIL_EVAL2(__VA_ARGS__))) #define UTIL_EVAL2(...) UTIL_EVAL3(UTIL_EVAL3(UTIL_EVAL3(__VA_ARGS__))) #define UTIL_EVAL3(...) UTIL_EVAL4(UTIL_EVAL4(UTIL_EVAL4(__VA_ARGS__))) #define UTIL_EVAL4(...) UTIL_EVAL5(UTIL_EVAL5(UTIL_EVAL5(__VA_ARGS__))) #define UTIL_EVAL5(...) __VA_ARGS__ #define UTIL_CAT(a, ...) UTIL_PRIMITIVE_CAT(a, __VA_ARGS__) #define UTIL_PRIMITIVE_CAT(a, ...) a##__VA_ARGS__ #define UTIL_INC(x) UTIL_PRIMITIVE_CAT(UTIL_INC_, x) #define UTIL_INC_0 1 #define UTIL_INC_1 2 #define UTIL_INC_2 3 #define UTIL_INC_3 4 #define UTIL_INC_4 5 #define UTIL_INC_5 6 #define UTIL_INC_6 7 #define UTIL_INC_7 8 #define UTIL_INC_8 9 #define UTIL_INC_9 10 #define UTIL_INC_10 11 #define UTIL_INC_11 12 #define UTIL_INC_12 13 #define UTIL_INC_13 14 #define UTIL_INC_14 15 #define UTIL_INC_15 16 #define UTIL_INC_16 17 #define UTIL_INC_17 18 #define UTIL_INC_18 19 #define UTIL_INC_19 20 #define UTIL_INC_20 21 #define UTIL_INC_21 22 #define UTIL_INC_22 23 #define UTIL_INC_23 24 #define UTIL_INC_24 25 #define UTIL_INC_25 26 #define UTIL_INC_26 27 #define UTIL_INC_27 28 #define UTIL_INC_28 29 #define UTIL_INC_29 30 #define UTIL_INC_30 31 #define UTIL_INC_31 32 #define UTIL_INC_32 33 #define UTIL_INC_33 34 #define UTIL_INC_34 35 #define UTIL_INC_35 36 #define UTIL_INC_36 37 #define UTIL_INC_37 38 #define UTIL_INC_38 39 #define UTIL_INC_39 40 #define UTIL_INC_40 41 #define UTIL_INC_41 42 #define UTIL_INC_42 43 #define UTIL_INC_43 44 #define UTIL_INC_44 45 #define UTIL_INC_45 46 #define UTIL_INC_46 47 #define UTIL_INC_47 48 #define UTIL_INC_48 49 #define UTIL_INC_49 50 #define UTIL_INC_50 51 #define UTIL_INC_51 52 #define UTIL_INC_52 53 #define UTIL_INC_53 54 #define UTIL_INC_54 55 #define UTIL_INC_55 56 #define UTIL_INC_56 57 #define UTIL_INC_57 58 #define UTIL_INC_58 59 #define UTIL_INC_59 60 #define UTIL_INC_50 51 #define UTIL_INC_51 52 #define UTIL_INC_52 53 #define UTIL_INC_53 54 #define UTIL_INC_54 55 #define UTIL_INC_55 56 #define UTIL_INC_56 57 #define UTIL_INC_57 58 #define UTIL_INC_58 59 #define UTIL_INC_59 60 #define UTIL_INC_60 61 #define UTIL_INC_61 62 #define UTIL_INC_62 63 #define UTIL_INC_63 64 #define UTIL_INC_64 65 #define UTIL_INC_65 66 #define UTIL_INC_66 67 #define UTIL_INC_67 68 #define UTIL_INC_68 69 #define UTIL_INC_69 70 #define UTIL_INC_70 71 #define UTIL_INC_71 72 #define UTIL_INC_72 73 #define UTIL_INC_73 74 #define UTIL_INC_74 75 #define UTIL_INC_75 76 #define UTIL_INC_76 77 #define UTIL_INC_77 78 #define UTIL_INC_78 79 #define UTIL_INC_79 80 #define UTIL_INC_80 81 #define UTIL_INC_81 82 #define UTIL_INC_82 83 #define UTIL_INC_83 84 #define UTIL_INC_84 85 #define UTIL_INC_85 86 #define UTIL_INC_86 87 #define UTIL_INC_87 88 #define UTIL_INC_88 89 #define UTIL_INC_89 90 #define UTIL_INC_90 91 #define UTIL_INC_91 92 #define UTIL_INC_92 93 #define UTIL_INC_93 94 #define UTIL_INC_94 95 #define UTIL_INC_95 96 #define UTIL_INC_96 97 #define UTIL_INC_97 98 #define UTIL_INC_98 99 #define UTIL_INC_99 100 #define UTIL_DEC(x) UTIL_PRIMITIVE_CAT(UTIL_DEC_, x) #define UTIL_DEC_0 0 #define UTIL_DEC_1 0 #define UTIL_DEC_2 1 #define UTIL_DEC_3 2 #define UTIL_DEC_4 3 #define UTIL_DEC_5 4 #define UTIL_DEC_6 5 #define UTIL_DEC_7 6 #define UTIL_DEC_8 7 #define UTIL_DEC_9 8 #define UTIL_DEC_10 9 #define UTIL_DEC_11 10 #define UTIL_DEC_12 11 #define UTIL_DEC_13 12 #define UTIL_DEC_14 13 #define UTIL_DEC_15 14 #define UTIL_DEC_16 15 #define UTIL_DEC_17 16 #define UTIL_DEC_18 17 #define UTIL_DEC_19 18 #define UTIL_DEC_20 19 #define UTIL_DEC_21 20 #define UTIL_DEC_22 21 #define UTIL_DEC_23 22 #define UTIL_DEC_24 23 #define UTIL_DEC_25 24 #define UTIL_DEC_26 25 #define UTIL_DEC_27 26 #define UTIL_DEC_28 27 #define UTIL_DEC_29 28 #define UTIL_DEC_30 29 #define UTIL_DEC_31 30 #define UTIL_DEC_32 31 #define UTIL_DEC_33 32 #define UTIL_DEC_34 33 #define UTIL_DEC_35 34 #define UTIL_DEC_36 35 #define UTIL_DEC_37 36 #define UTIL_DEC_38 37 #define UTIL_DEC_39 38 #define UTIL_DEC_40 39 #define UTIL_DEC_41 40 #define UTIL_DEC_42 41 #define UTIL_DEC_43 42 #define UTIL_DEC_44 43 #define UTIL_DEC_45 44 #define UTIL_DEC_46 45 #define UTIL_DEC_47 46 #define UTIL_DEC_48 47 #define UTIL_DEC_49 48 #define UTIL_DEC_50 49 #define UTIL_DEC_51 50 #define UTIL_DEC_52 51 #define UTIL_DEC_53 52 #define UTIL_DEC_54 53 #define UTIL_DEC_55 54 #define UTIL_DEC_56 55 #define UTIL_DEC_57 56 #define UTIL_DEC_58 57 #define UTIL_DEC_59 58 #define UTIL_DEC_60 59 #define UTIL_DEC_61 60 #define UTIL_DEC_62 61 #define UTIL_DEC_63 62 #define UTIL_DEC_64 63 #define UTIL_DEC_65 64 #define UTIL_DEC_66 65 #define UTIL_DEC_67 66 #define UTIL_DEC_68 67 #define UTIL_DEC_69 68 #define UTIL_DEC_70 69 #define UTIL_DEC_71 70 #define UTIL_DEC_72 71 #define UTIL_DEC_73 72 #define UTIL_DEC_74 73 #define UTIL_DEC_75 74 #define UTIL_DEC_76 75 #define UTIL_DEC_77 76 #define UTIL_DEC_78 77 #define UTIL_DEC_79 78 #define UTIL_DEC_80 79 #define UTIL_DEC_81 80 #define UTIL_DEC_82 81 #define UTIL_DEC_83 82 #define UTIL_DEC_84 83 #define UTIL_DEC_85 84 #define UTIL_DEC_86 85 #define UTIL_DEC_87 86 #define UTIL_DEC_88 87 #define UTIL_DEC_89 88 #define UTIL_DEC_90 89 #define UTIL_DEC_91 90 #define UTIL_DEC_92 91 #define UTIL_DEC_93 92 #define UTIL_DEC_94 93 #define UTIL_DEC_95 94 #define UTIL_DEC_96 95 #define UTIL_DEC_97 96 #define UTIL_DEC_98 97 #define UTIL_DEC_99 98 #define UTIL_DEC_100 99 #define UTIL_DEC_101 100 #define UTIL_DEC_102 101 #define UTIL_DEC_103 102 #define UTIL_DEC_104 103 #define UTIL_DEC_105 104 #define UTIL_DEC_106 105 #define UTIL_DEC_107 106 #define UTIL_DEC_108 107 #define UTIL_DEC_109 108 #define UTIL_DEC_110 109 #define UTIL_DEC_111 110 #define UTIL_DEC_112 111 #define UTIL_DEC_113 112 #define UTIL_DEC_114 113 #define UTIL_DEC_115 114 #define UTIL_DEC_116 115 #define UTIL_DEC_117 116 #define UTIL_DEC_118 117 #define UTIL_DEC_119 118 #define UTIL_DEC_120 119 #define UTIL_DEC_121 120 #define UTIL_DEC_122 121 #define UTIL_DEC_123 122 #define UTIL_DEC_124 123 #define UTIL_DEC_125 124 #define UTIL_DEC_126 125 #define UTIL_DEC_127 126 #define UTIL_DEC_128 127 #define UTIL_DEC_129 128 #define UTIL_DEC_130 129 #define UTIL_DEC_131 130 #define UTIL_DEC_132 131 #define UTIL_DEC_133 132 #define UTIL_DEC_134 133 #define UTIL_DEC_135 134 #define UTIL_DEC_136 135 #define UTIL_DEC_137 136 #define UTIL_DEC_138 137 #define UTIL_DEC_139 138 #define UTIL_DEC_140 139 #define UTIL_DEC_141 140 #define UTIL_DEC_142 141 #define UTIL_DEC_143 142 #define UTIL_DEC_144 143 #define UTIL_DEC_145 144 #define UTIL_DEC_146 145 #define UTIL_DEC_147 146 #define UTIL_DEC_148 147 #define UTIL_DEC_149 148 #define UTIL_DEC_150 149 #define UTIL_DEC_151 150 #define UTIL_DEC_152 151 #define UTIL_DEC_153 152 #define UTIL_DEC_154 153 #define UTIL_DEC_155 154 #define UTIL_DEC_156 155 #define UTIL_DEC_157 156 #define UTIL_DEC_158 157 #define UTIL_DEC_159 158 #define UTIL_DEC_160 159 #define UTIL_DEC_161 160 #define UTIL_DEC_162 161 #define UTIL_DEC_163 162 #define UTIL_DEC_164 163 #define UTIL_DEC_165 164 #define UTIL_DEC_166 165 #define UTIL_DEC_167 166 #define UTIL_DEC_168 167 #define UTIL_DEC_169 168 #define UTIL_DEC_170 169 #define UTIL_DEC_171 170 #define UTIL_DEC_172 171 #define UTIL_DEC_173 172 #define UTIL_DEC_174 173 #define UTIL_DEC_175 174 #define UTIL_DEC_176 175 #define UTIL_DEC_177 176 #define UTIL_DEC_178 177 #define UTIL_DEC_179 178 #define UTIL_DEC_180 179 #define UTIL_DEC_181 180 #define UTIL_DEC_182 181 #define UTIL_DEC_183 182 #define UTIL_DEC_184 183 #define UTIL_DEC_185 184 #define UTIL_DEC_186 185 #define UTIL_DEC_187 186 #define UTIL_DEC_188 187 #define UTIL_DEC_189 188 #define UTIL_DEC_190 189 #define UTIL_DEC_191 190 #define UTIL_DEC_192 191 #define UTIL_DEC_193 192 #define UTIL_DEC_194 193 #define UTIL_DEC_195 194 #define UTIL_DEC_196 195 #define UTIL_DEC_197 196 #define UTIL_DEC_198 197 #define UTIL_DEC_199 198 #define UTIL_DEC_200 199 #define UTIL_DEC_201 200 #define UTIL_DEC_202 201 #define UTIL_DEC_203 202 #define UTIL_DEC_204 203 #define UTIL_DEC_205 204 #define UTIL_DEC_206 205 #define UTIL_DEC_207 206 #define UTIL_DEC_208 207 #define UTIL_DEC_209 208 #define UTIL_DEC_210 209 #define UTIL_DEC_211 210 #define UTIL_DEC_212 211 #define UTIL_DEC_213 212 #define UTIL_DEC_214 213 #define UTIL_DEC_215 214 #define UTIL_DEC_216 215 #define UTIL_DEC_217 216 #define UTIL_DEC_218 217 #define UTIL_DEC_219 218 #define UTIL_DEC_220 219 #define UTIL_DEC_221 220 #define UTIL_DEC_222 221 #define UTIL_DEC_223 222 #define UTIL_DEC_224 223 #define UTIL_DEC_225 224 #define UTIL_DEC_226 225 #define UTIL_DEC_227 226 #define UTIL_DEC_228 227 #define UTIL_DEC_229 228 #define UTIL_DEC_230 229 #define UTIL_DEC_231 230 #define UTIL_DEC_232 231 #define UTIL_DEC_233 232 #define UTIL_DEC_234 233 #define UTIL_DEC_235 234 #define UTIL_DEC_236 235 #define UTIL_DEC_237 236 #define UTIL_DEC_238 237 #define UTIL_DEC_239 238 #define UTIL_DEC_240 239 #define UTIL_DEC_241 240 #define UTIL_DEC_242 241 #define UTIL_DEC_243 242 #define UTIL_DEC_244 243 #define UTIL_DEC_245 244 #define UTIL_DEC_246 245 #define UTIL_DEC_247 246 #define UTIL_DEC_248 247 #define UTIL_DEC_249 248 #define UTIL_DEC_250 249 #define UTIL_DEC_251 250 #define UTIL_DEC_252 251 #define UTIL_DEC_253 252 #define UTIL_DEC_254 253 #define UTIL_DEC_255 254 #define UTIL_DEC_256 255 #define UTIL_CHECK_N(x, n, ...) n #define UTIL_CHECK(...) UTIL_CHECK_N(__VA_ARGS__, 0,) #define UTIL_NOT(x) UTIL_CHECK(UTIL_PRIMITIVE_CAT(UTIL_NOT_, x)) #define UTIL_NOT_0 ~, 1, #define UTIL_COMPL(b) UTIL_PRIMITIVE_CAT(UTIL_COMPL_, b) #define UTIL_COMPL_0 1 #define UTIL_COMPL_1 0 #define UTIL_BOOL(x) UTIL_COMPL(UTIL_NOT(x)) #define UTIL_IIF(c) UTIL_PRIMITIVE_CAT(UTIL_IIF_, c) #define UTIL_IIF_0(t, ...) __VA_ARGS__ #define UTIL_IIF_1(t, ...) t #define UTIL_IF(c) UTIL_IIF(UTIL_BOOL(c)) /* * These are like || and &&, but they do evaluation and * short-circuiting at preprocessor time instead of runtime. * * UTIL_OR(foo, bar) is sometimes a replacement for (foo || bar) * when "bar" is an expression that would cause a build * error when "foo" is true. * * UTIL_AND(foo, bar) is sometimes a replacement for (foo && bar) * when "bar" is an expression that would cause a build * error when "foo" is false. */ #define UTIL_OR(a, b) COND_CODE_1(UTIL_BOOL(a), (a), (b)) #define UTIL_AND(a, b) COND_CODE_1(UTIL_BOOL(a), (b), (0)) #define UTIL_EAT(...) #define UTIL_EXPAND(...) __VA_ARGS__ #define UTIL_WHEN(c) UTIL_IF(c)(UTIL_EXPAND, UTIL_EAT) #define UTIL_REPEAT(count, macro, ...) \ UTIL_WHEN(count) \ ( \ UTIL_OBSTRUCT(UTIL_REPEAT_INDIRECT) () \ ( \ UTIL_DEC(count), macro, __VA_ARGS__ \ ) \ UTIL_OBSTRUCT(macro) \ ( \ UTIL_DEC(count), __VA_ARGS__ \ ) \ ) #define UTIL_REPEAT_INDIRECT() UTIL_REPEAT /** * @brief Generates a sequence of code. * * Useful for generating code like; * * NRF_PWM0, NRF_PWM1, NRF_PWM2, * * @arg LEN: The length of the sequence. Must be defined and less than * 20. * * @arg F(i, ...): A macro function that accepts at least two arguments. * F is called repeatedly, the first argument is the index in the sequence, * the variable list of arguments passed to UTIL_LISTIFY are passed through * to F. * * Example: * * \#define FOO(i, _) NRF_PWM ## i , * { UTIL_LISTIFY(PWM_COUNT, FOO) } * The above two lines will generate the below: * { NRF_PWM0 , NRF_PWM1 , } * * @note Calling UTIL_LISTIFY with undefined arguments has undefined * behavior. */ #define UTIL_LISTIFY(LEN, F, ...) UTIL_EVAL(UTIL_REPEAT(LEN, F, __VA_ARGS__)) /* Set of internal macros used for FOR_EACH series of macros. */ #define Z_FOR_EACH_IDX(count, n, macro, semicolon, fixed_arg0, fixed_arg1, ...)\ UTIL_WHEN(count) \ ( \ UTIL_OBSTRUCT(macro) \ ( \ fixed_arg0, fixed_arg1, n, GET_ARG1(__VA_ARGS__)\ )semicolon \ UTIL_OBSTRUCT(Z_FOR_EACH_IDX_INDIRECT) () \ ( \ UTIL_DEC(count), UTIL_INC(n), macro, semicolon, \ fixed_arg0, fixed_arg1, \ GET_ARGS_LESS_1(__VA_ARGS__) \ ) \ ) #define Z_FOR_EACH_IDX_INDIRECT() Z_FOR_EACH_IDX #define Z_FOR_EACH_IDX2(count, iter, macro, sc, fixed_arg0, fixed_arg1, ...) \ UTIL_EVAL(Z_FOR_EACH_IDX(count, iter, macro, sc,\ fixed_arg0, fixed_arg1, __VA_ARGS__)) #define Z_FOR_EACH_SWALLOW_NOTHING(F, fixed_arg, index, arg) \ F(index, arg, fixed_arg) #define Z_FOR_EACH_SWALLOW_FIXED_ARG(F, fixed_arg, index, arg) F(index, arg) #define Z_FOR_EACH_SWALLOW_INDEX_FIXED_ARG(F, fixed_arg, index, arg) F(arg) #define Z_FOR_EACH_SWALLOW_INDEX(F, fixed_arg, index, arg) F(arg, fixed_arg) /** * @brief Calls macro F for each provided argument with index as first argument * and nth parameter as the second argument. * * Example: * * #define F(idx, x) int a##idx = x; * FOR_EACH_IDX(F, 4, 5, 6) * * will result in following code: * * int a0 = 4; * int a1 = 5; * int a2 = 6; * * @param F Macro takes index and first argument and nth variable argument as * the second one. * @param ... Variable list of argument. For each argument macro F is executed. */ #define FOR_EACH_IDX(F, ...) \ Z_FOR_EACH_IDX2(NUM_VA_ARGS_LESS_1(__VA_ARGS__, _), \ 0, Z_FOR_EACH_SWALLOW_FIXED_ARG, /*no ;*/, \ F, 0, __VA_ARGS__) /** * @brief Calls macro F for each provided argument with index as first argument * and nth parameter as the second argument and fixed argument as the * third one. * * Example: * * #define F(idx, x, fixed_arg) int fixed_arg##idx = x; * FOR_EACH_IDX_FIXED_ARG(F, a, 4, 5, 6) * * will result in following code: * * int a0 = 4; * int a1 = 5; * int a2 = 6; * * @param F Macro takes index and first argument and nth variable argument as * the second one and fixed argumnet as the third. * @param fixed_arg Fixed argument passed to F macro. * @param ... Variable list of argument. For each argument macro F is executed. */ #define FOR_EACH_IDX_FIXED_ARG(F, fixed_arg, ...) \ Z_FOR_EACH_IDX2(NUM_VA_ARGS_LESS_1(__VA_ARGS__, _), \ 0, Z_FOR_EACH_SWALLOW_NOTHING, /*no ;*/, \ F, fixed_arg, __VA_ARGS__) /** * @brief Calls macro F for each provided argument. * * Example: * * #define F(x) int a##x; * FOR_EACH(F, 4, 5, 6) * * will result in following code: * * int a4; * int a5; * int a6; * * @param F Macro takes nth variable argument as the argument. * @param ... Variable list of argument. For each argument macro F is executed. */ #define FOR_EACH(F, ...) \ Z_FOR_EACH_IDX2(NUM_VA_ARGS_LESS_1(__VA_ARGS__, _), \ 0, Z_FOR_EACH_SWALLOW_INDEX_FIXED_ARG, /*no ;*/, \ F, 0, __VA_ARGS__) /** * @brief Calls macro F for each provided argument with additional fixed * argument. * * After each iteration semicolon is added. * * Example: * * static void func(int val, void *dev); * FOR_EACH_FIXED_ARG(func, dev, 4, 5, 6) * * will result in following code: * * func(4, dev); * func(5, dev); * func(6, dev); * * @param F Macro takes nth variable argument as the first parameter and * fixed argument as the second parameter. * @param fixed_arg Fixed argument forward to macro execution for each argument. * @param ... Variable list of argument. For each argument macro F is executed. */ #define FOR_EACH_FIXED_ARG(F, fixed_arg, ...) \ Z_FOR_EACH_IDX2(NUM_VA_ARGS_LESS_1(__VA_ARGS__, _), \ 0, Z_FOR_EACH_SWALLOW_INDEX, ;, \ F, fixed_arg, __VA_ARGS__) /**@brief Implementation details for NUM_VAR_ARGS */ #define NUM_VA_ARGS_LESS_1_IMPL( \ _ignored, \ _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, \ _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \ _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \ _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \ _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \ _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, \ _61, _62, N, ...) N /** * @brief Macro to get the number of arguments in a call variadic macro call. * First argument is not counted. * * param[in] ... List of arguments * * @retval Number of variadic arguments in the argument list */ #define NUM_VA_ARGS_LESS_1(...) \ NUM_VA_ARGS_LESS_1_IMPL(__VA_ARGS__, 63, 62, 61, \ 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, \ 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, \ 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, \ 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, \ 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, \ 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, ~) /** * Macro that process all arguments using given macro * * @deprecated Use FOR_EACH instead. * * @param ... Macro name to be used for argument processing followed by * arguments to process. Macro should have following * form: MACRO(argument). * * @return All arguments processed by given macro */ #define MACRO_MAP(...) __DEPRECATED_MACRO FOR_EACH(__VA_ARGS__) /** * @brief Mapping macro that pastes results together * * Like @ref MACRO_MAP(), but pastes the results together into a * single token by repeated application of @ref UTIL_CAT(). * * For example, with this macro FOO: * * #define FOO(x) item_##x##_ * * MACRO_MAP_CAT(FOO, a, b, c) expands to the token: * * item_a_item_b_item_c_ * * @param ... Macro to expand on each argument, followed by its * arguments. (The macro should take exactly one argument.) * @return The results of expanding the macro on each argument, all pasted * together */ #define MACRO_MAP_CAT(...) MACRO_MAP_CAT_(__VA_ARGS__) #define MACRO_MAP_CAT_(...) \ /* To make sure it works also for 2 arguments in total */ \ MACRO_MAP_CAT_N(NUM_VA_ARGS_LESS_1(__VA_ARGS__), __VA_ARGS__) /** * @brief Mapping macro that pastes a fixed number of results together * * Similar to @ref MACRO_MAP_CAT(), but expects a fixed number of * arguments. If more arguments are given than are expected, the rest * are ignored. * * @param N Number of arguments to map * @param ... Macro to expand on each argument, followed by its * arguments. (The macro should take exactly one argument.) * @return The results of expanding the macro on each argument, all pasted * together */ #define MACRO_MAP_CAT_N(N, ...) MACRO_MAP_CAT_N_(N, __VA_ARGS__) #define MACRO_MAP_CAT_N_(N, ...) UTIL_CAT(MACRO_MC_, N)(__VA_ARGS__,) #define MACRO_MC_0(...) #define MACRO_MC_1(m, a, ...) m(a) #define MACRO_MC_2(m, a, ...) UTIL_CAT(m(a), MACRO_MC_1(m, __VA_ARGS__,)) #define MACRO_MC_3(m, a, ...) UTIL_CAT(m(a), MACRO_MC_2(m, __VA_ARGS__,)) #define MACRO_MC_4(m, a, ...) UTIL_CAT(m(a), MACRO_MC_3(m, __VA_ARGS__,)) #define MACRO_MC_5(m, a, ...) UTIL_CAT(m(a), MACRO_MC_4(m, __VA_ARGS__,)) #define MACRO_MC_6(m, a, ...) UTIL_CAT(m(a), MACRO_MC_5(m, __VA_ARGS__,)) #define MACRO_MC_7(m, a, ...) UTIL_CAT(m(a), MACRO_MC_6(m, __VA_ARGS__,)) #define MACRO_MC_8(m, a, ...) UTIL_CAT(m(a), MACRO_MC_7(m, __VA_ARGS__,)) #define MACRO_MC_9(m, a, ...) UTIL_CAT(m(a), MACRO_MC_8(m, __VA_ARGS__,)) #define MACRO_MC_10(m, a, ...) UTIL_CAT(m(a), MACRO_MC_9(m, __VA_ARGS__,)) #define MACRO_MC_11(m, a, ...) UTIL_CAT(m(a), MACRO_MC_10(m, __VA_ARGS__,)) #define MACRO_MC_12(m, a, ...) UTIL_CAT(m(a), MACRO_MC_11(m, __VA_ARGS__,)) #define MACRO_MC_13(m, a, ...) UTIL_CAT(m(a), MACRO_MC_12(m, __VA_ARGS__,)) #define MACRO_MC_14(m, a, ...) UTIL_CAT(m(a), MACRO_MC_13(m, __VA_ARGS__,)) #define MACRO_MC_15(m, a, ...) UTIL_CAT(m(a), MACRO_MC_14(m, __VA_ARGS__,))