/* * Copyright (C) 2018-2021 xiaoliang<1296283984@qq.com>. */ /************************************************************************ * 用法说明： * BPD系列用法： * * //使用静态变量或者外部数据结构保存函数的断点 * static uint8_t bp = BP_INIT_VAL; * static uint8_t *bpd = &bp; * * //在bp_begin之前可以拦截回调，并检查断点状态 * if (bp == 1) //bp当前处于断点1 * { * //对状态与事件进行检查 * if (event != timer1) * { * //拒绝该事件 * return ; * } * } * * //开始包含2个断点的协程 * bpd_begin(2) * * while (1) * { * //设置自身回调，触发下次调用 * timer_start(timer1, self_callback, 1000); * * //主动返回，并在下次回调时恢复当前位置 * bpd_yield(1); * * //定时器到达，打开LED * led_on(); * * //设置自身回调，触发下次调用 * timer_start(timer2, self_callback, 1000); * * //主动返回，并在下次回调时恢复当前位置 * bpd_yield(2); * * //定时器到达，关闭LED * led_off(); * } * * bp_end(bp); * ************************************************************************ */ #ifndef __BP_H__ #define __BP_H__ /************************************************************************* * BP 宏构造 ************************************************************************* */ /* BP宏连接，并完全展开 */ #define __BP_CAT(x, y) __BP_CAT1(x, y) #define __BP_CAT1(x, y) x##y /* BP标号前缀定义 */ #define BP_LABEL_PREFIX label_bp_ /* 以N为后缀的BP标签 */ #define BP_LABEL_N(n) __BP_CAT(BP_LABEL_PREFIX, n) /* BP开始标签 */ #define BP_LABEL_START BP_LABEL_N(0) /* BP结束标签 */ #define BP_LABEL_END BP_LABEL_N(end) /* BP_BEGIN的头部，switch-goto语句块 */ #define __BP_HEADER(bp) do { \ switch ((bp)) \ { \ /* BP_BEGIN的尾部，switch-goto语句块 */ #define __BP_TAIL default: \ goto BP_LABEL_END; \ } \ BP_LABEL_START:; \ } while (0) \ /* BP_BEGIN的case语句块部分 */ #define __BP_CASE0 case 0: goto BP_LABEL_START; #define __BP_CASE1 __BP_CASE0 case 1: goto BP_LABEL_N(1); #define __BP_CASE2 __BP_CASE1 case 2: goto BP_LABEL_N(2); #define __BP_CASE3 __BP_CASE2 case 3: goto BP_LABEL_N(3); #define __BP_CASE4 __BP_CASE3 case 4: goto BP_LABEL_N(4); #define __BP_CASE5 __BP_CASE4 case 5: goto BP_LABEL_N(5); #define __BP_CASE6 __BP_CASE5 case 6: goto BP_LABEL_N(6); #define __BP_CASE7 __BP_CASE6 case 7: goto BP_LABEL_N(7); #define __BP_CASE8 __BP_CASE7 case 8: goto BP_LABEL_N(8); #define __BP_CASE9 __BP_CASE8 case 9: goto BP_LABEL_N(9); #define __BP_CASE10 __BP_CASE9 case 10: goto BP_LABEL_N(10); #define __BP_CASE11 __BP_CASE10 case 11: goto BP_LABEL_N(11); #define __BP_CASE12 __BP_CASE11 case 12: goto BP_LABEL_N(12); #define __BP_CASE13 __BP_CASE12 case 13: goto BP_LABEL_N(13); #define __BP_CASE14 __BP_CASE13 case 14: goto BP_LABEL_N(14); #define __BP_CASE15 __BP_CASE14 case 15: goto BP_LABEL_N(15); #define __BP_CASE16 __BP_CASE15 case 16: goto BP_LABEL_N(16); #define __BP_CASE17 __BP_CASE16 case 17: goto BP_LABEL_N(17); #define __BP_CASE18 __BP_CASE17 case 18: goto BP_LABEL_N(18); #define __BP_CASE19 __BP_CASE18 case 19: goto BP_LABEL_N(19); #define __BP_CASE20 __BP_CASE19 case 20: goto BP_LABEL_N(20); #define __BP_CASE21 __BP_CASE20 case 21: goto BP_LABEL_N(21); #define __BP_CASE22 __BP_CASE21 case 22: goto BP_LABEL_N(22); #define __BP_CASE23 __BP_CASE22 case 23: goto BP_LABEL_N(23); #define __BP_CASE24 __BP_CASE23 case 24: goto BP_LABEL_N(24); #define __BP_CASE25 __BP_CASE24 case 25: goto BP_LABEL_N(25); #define __BP_CASE26 __BP_CASE25 case 26: goto BP_LABEL_N(26); #define __BP_CASE27 __BP_CASE26 case 27: goto BP_LABEL_N(27); #define __BP_CASE28 __BP_CASE27 case 28: goto BP_LABEL_N(28); #define __BP_CASE29 __BP_CASE28 case 29: goto BP_LABEL_N(29); #define __BP_CASE30 __BP_CASE29 case 30: goto BP_LABEL_N(30); #define __BP_CASE31 __BP_CASE30 case 31: goto BP_LABEL_N(31); #define __BP_CASE32 __BP_CASE31 case 32: goto BP_LABEL_N(32); #define __BP_CASE33 __BP_CASE32 case 33: goto BP_LABEL_N(33); #define __BP_CASE34 __BP_CASE33 case 34: goto BP_LABEL_N(34); #define __BP_CASE35 __BP_CASE34 case 35: goto BP_LABEL_N(35); #define __BP_CASE36 __BP_CASE35 case 36: goto BP_LABEL_N(36); #define __BP_CASE37 __BP_CASE36 case 37: goto BP_LABEL_N(37); #define __BP_CASE38 __BP_CASE37 case 38: goto BP_LABEL_N(38); #define __BP_CASE39 __BP_CASE38 case 39: goto BP_LABEL_N(39); #define __BP_CASE40 __BP_CASE39 case 40: goto BP_LABEL_N(40); #define __BP_CASE41 __BP_CASE40 case 41: goto BP_LABEL_N(41); #define __BP_CASE42 __BP_CASE41 case 42: goto BP_LABEL_N(42); #define __BP_CASE43 __BP_CASE42 case 43: goto BP_LABEL_N(43); #define __BP_CASE44 __BP_CASE43 case 44: goto BP_LABEL_N(44); #define __BP_CASE45 __BP_CASE44 case 45: goto BP_LABEL_N(45); #define __BP_CASE46 __BP_CASE45 case 46: goto BP_LABEL_N(46); #define __BP_CASE47 __BP_CASE46 case 47: goto BP_LABEL_N(47); #define __BP_CASE48 __BP_CASE47 case 48: goto BP_LABEL_N(48); #define __BP_CASE49 __BP_CASE48 case 49: goto BP_LABEL_N(49); #define __BP_CASE50 __BP_CASE49 case 50: goto BP_LABEL_N(50); #define __BP_CASE51 __BP_CASE50 case 51: goto BP_LABEL_N(51); #define __BP_CASE52 __BP_CASE51 case 52: goto BP_LABEL_N(52); #define __BP_CASE53 __BP_CASE52 case 53: goto BP_LABEL_N(53); #define __BP_CASE54 __BP_CASE53 case 54: goto BP_LABEL_N(54); #define __BP_CASE55 __BP_CASE54 case 55: goto BP_LABEL_N(55); #define __BP_CASE56 __BP_CASE55 case 56: goto BP_LABEL_N(56); #define __BP_CASE57 __BP_CASE56 case 57: goto BP_LABEL_N(57); #define __BP_CASE58 __BP_CASE57 case 58: goto BP_LABEL_N(58); #define __BP_CASE59 __BP_CASE58 case 59: goto BP_LABEL_N(59); #define __BP_CASE60 __BP_CASE59 case 60: goto BP_LABEL_N(60); #define __BP_CASE61 __BP_CASE60 case 61: goto BP_LABEL_N(61); #define __BP_CASE62 __BP_CASE61 case 62: goto BP_LABEL_N(62); #define __BP_CASE63 __BP_CASE62 case 63: goto BP_LABEL_N(63); #define __BP_CASE64 __BP_CASE63 case 64: goto BP_LABEL_N(64); #define __BP_CASE65 __BP_CASE64 case 65: goto BP_LABEL_N(65); #define __BP_CASE66 __BP_CASE65 case 66: goto BP_LABEL_N(66); #define __BP_CASE67 __BP_CASE66 case 67: goto BP_LABEL_N(67); #define __BP_CASE68 __BP_CASE67 case 68: goto BP_LABEL_N(68); #define __BP_CASE69 __BP_CASE68 case 69: goto BP_LABEL_N(69); #define __BP_CASE70 __BP_CASE69 case 70: goto BP_LABEL_N(70); #define __BP_CASE71 __BP_CASE70 case 71: goto BP_LABEL_N(71); #define __BP_CASE72 __BP_CASE71 case 72: goto BP_LABEL_N(72); #define __BP_CASE73 __BP_CASE72 case 73: goto BP_LABEL_N(73); #define __BP_CASE74 __BP_CASE73 case 74: goto BP_LABEL_N(74); #define __BP_CASE75 __BP_CASE74 case 75: goto BP_LABEL_N(75); #define __BP_CASE76 __BP_CASE75 case 76: goto BP_LABEL_N(76); #define __BP_CASE77 __BP_CASE76 case 77: goto BP_LABEL_N(77); #define __BP_CASE78 __BP_CASE77 case 78: goto BP_LABEL_N(78); #define __BP_CASE79 __BP_CASE78 case 79: goto BP_LABEL_N(79); #define __BP_CASE80 __BP_CASE79 case 80: goto BP_LABEL_N(80); #define __BP_CASE81 __BP_CASE80 case 81: goto BP_LABEL_N(81); #define __BP_CASE82 __BP_CASE81 case 82: goto BP_LABEL_N(82); #define __BP_CASE83 __BP_CASE82 case 83: goto BP_LABEL_N(83); #define __BP_CASE84 __BP_CASE83 case 84: goto BP_LABEL_N(84); #define __BP_CASE85 __BP_CASE84 case 85: goto BP_LABEL_N(85); #define __BP_CASE86 __BP_CASE85 case 86: goto BP_LABEL_N(86); #define __BP_CASE87 __BP_CASE86 case 87: goto BP_LABEL_N(87); #define __BP_CASE88 __BP_CASE87 case 88: goto BP_LABEL_N(88); #define __BP_CASE89 __BP_CASE88 case 89: goto BP_LABEL_N(89); #define __BP_CASE90 __BP_CASE89 case 90: goto BP_LABEL_N(90); #define __BP_CASE91 __BP_CASE90 case 91: goto BP_LABEL_N(91); #define __BP_CASE92 __BP_CASE91 case 92: goto BP_LABEL_N(92); #define __BP_CASE93 __BP_CASE92 case 93: goto BP_LABEL_N(93); #define __BP_CASE94 __BP_CASE93 case 94: goto BP_LABEL_N(94); #define __BP_CASE95 __BP_CASE94 case 95: goto BP_LABEL_N(95); #define __BP_CASE96 __BP_CASE95 case 96: goto BP_LABEL_N(96); #define __BP_CASE97 __BP_CASE96 case 97: goto BP_LABEL_N(97); #define __BP_CASE98 __BP_CASE97 case 98: goto BP_LABEL_N(98); #define __BP_CASE99 __BP_CASE98 case 99: goto BP_LABEL_N(99); #define __BP_CASE100 __BP_CASE99 case 100: goto BP_LABEL_N(100); #define __BP_CASE101 __BP_CASE100 case 101: goto BP_LABEL_N(101); #define __BP_CASE102 __BP_CASE101 case 102: goto BP_LABEL_N(102); #define __BP_CASE103 __BP_CASE102 case 103: goto BP_LABEL_N(103); #define __BP_CASE104 __BP_CASE103 case 104: goto BP_LABEL_N(104); #define __BP_CASE105 __BP_CASE104 case 105: goto BP_LABEL_N(105); #define __BP_CASE106 __BP_CASE105 case 106: goto BP_LABEL_N(106); #define __BP_CASE107 __BP_CASE106 case 107: goto BP_LABEL_N(107); #define __BP_CASE108 __BP_CASE107 case 108: goto BP_LABEL_N(108); #define __BP_CASE109 __BP_CASE108 case 109: goto BP_LABEL_N(109); #define __BP_CASE110 __BP_CASE109 case 110: goto BP_LABEL_N(110); #define __BP_CASE111 __BP_CASE110 case 111: goto BP_LABEL_N(111); #define __BP_CASE112 __BP_CASE111 case 112: goto BP_LABEL_N(112); #define __BP_CASE113 __BP_CASE112 case 113: goto BP_LABEL_N(113); #define __BP_CASE114 __BP_CASE113 case 114: goto BP_LABEL_N(114); #define __BP_CASE115 __BP_CASE114 case 115: goto BP_LABEL_N(115); #define __BP_CASE116 __BP_CASE115 case 116: goto BP_LABEL_N(116); #define __BP_CASE117 __BP_CASE116 case 117: goto BP_LABEL_N(117); #define __BP_CASE118 __BP_CASE117 case 118: goto BP_LABEL_N(118); #define __BP_CASE119 __BP_CASE118 case 119: goto BP_LABEL_N(119); #define __BP_CASE120 __BP_CASE119 case 120: goto BP_LABEL_N(120); #define __BP_CASE121 __BP_CASE120 case 121: goto BP_LABEL_N(121); #define __BP_CASE122 __BP_CASE121 case 122: goto BP_LABEL_N(122); #define __BP_CASE123 __BP_CASE122 case 123: goto BP_LABEL_N(123); #define __BP_CASE124 __BP_CASE123 case 124: goto BP_LABEL_N(124); #define __BP_CASE125 __BP_CASE124 case 125: goto BP_LABEL_N(125); #define __BP_CASE126 __BP_CASE125 case 126: goto BP_LABEL_N(126); #define __BP_CASE127 __BP_CASE126 case 127: goto BP_LABEL_N(127); #define __BP_CASE128 __BP_CASE127 case 128: goto BP_LABEL_N(128); #define __BP_CASE129 __BP_CASE128 case 129: goto BP_LABEL_N(129); #define __BP_CASE130 __BP_CASE129 case 130: goto BP_LABEL_N(130); #define __BP_CASE131 __BP_CASE130 case 131: goto BP_LABEL_N(131); #define __BP_CASE132 __BP_CASE131 case 132: goto BP_LABEL_N(132); #define __BP_CASE133 __BP_CASE132 case 133: goto BP_LABEL_N(133); #define __BP_CASE134 __BP_CASE133 case 134: goto BP_LABEL_N(134); #define __BP_CASE135 __BP_CASE134 case 135: goto BP_LABEL_N(135); #define __BP_CASE136 __BP_CASE135 case 136: goto BP_LABEL_N(136); #define __BP_CASE137 __BP_CASE136 case 137: goto BP_LABEL_N(137); #define __BP_CASE138 __BP_CASE137 case 138: goto BP_LABEL_N(138); #define __BP_CASE139 __BP_CASE138 case 139: goto BP_LABEL_N(139); #define __BP_CASE140 __BP_CASE139 case 140: goto BP_LABEL_N(140); #define __BP_CASE141 __BP_CASE140 case 141: goto BP_LABEL_N(141); #define __BP_CASE142 __BP_CASE141 case 142: goto BP_LABEL_N(142); #define __BP_CASE143 __BP_CASE142 case 143: goto BP_LABEL_N(143); #define __BP_CASE144 __BP_CASE143 case 144: goto BP_LABEL_N(144); #define __BP_CASE145 __BP_CASE144 case 145: goto BP_LABEL_N(145); #define __BP_CASE146 __BP_CASE145 case 146: goto BP_LABEL_N(146); #define __BP_CASE147 __BP_CASE146 case 147: goto BP_LABEL_N(147); #define __BP_CASE148 __BP_CASE147 case 148: goto BP_LABEL_N(148); #define __BP_CASE149 __BP_CASE148 case 149: goto BP_LABEL_N(149); #define __BP_CASE150 __BP_CASE149 case 150: goto BP_LABEL_N(150); #define __BP_CASE151 __BP_CASE150 case 151: goto BP_LABEL_N(151); #define __BP_CASE152 __BP_CASE151 case 152: goto BP_LABEL_N(152); #define __BP_CASE153 __BP_CASE152 case 153: goto BP_LABEL_N(153); #define __BP_CASE154 __BP_CASE153 case 154: goto BP_LABEL_N(154); #define __BP_CASE155 __BP_CASE154 case 155: goto BP_LABEL_N(155); #define __BP_CASE156 __BP_CASE155 case 156: goto BP_LABEL_N(156); #define __BP_CASE157 __BP_CASE156 case 157: goto BP_LABEL_N(157); #define __BP_CASE158 __BP_CASE157 case 158: goto BP_LABEL_N(158); #define __BP_CASE159 __BP_CASE158 case 159: goto BP_LABEL_N(159); #define __BP_CASE160 __BP_CASE159 case 160: goto BP_LABEL_N(160); #define __BP_CASE161 __BP_CASE160 case 161: goto BP_LABEL_N(161); #define __BP_CASE162 __BP_CASE161 case 162: goto BP_LABEL_N(162); #define __BP_CASE163 __BP_CASE162 case 163: goto BP_LABEL_N(163); #define __BP_CASE164 __BP_CASE163 case 164: goto BP_LABEL_N(164); #define __BP_CASE165 __BP_CASE164 case 165: goto BP_LABEL_N(165); #define __BP_CASE166 __BP_CASE165 case 166: goto BP_LABEL_N(166); #define __BP_CASE167 __BP_CASE166 case 167: goto BP_LABEL_N(167); #define __BP_CASE168 __BP_CASE167 case 168: goto BP_LABEL_N(168); #define __BP_CASE169 __BP_CASE168 case 169: goto BP_LABEL_N(169); #define __BP_CASE170 __BP_CASE169 case 170: goto BP_LABEL_N(170); #define __BP_CASE171 __BP_CASE170 case 171: goto BP_LABEL_N(171); #define __BP_CASE172 __BP_CASE171 case 172: goto BP_LABEL_N(172); #define __BP_CASE173 __BP_CASE172 case 173: goto BP_LABEL_N(173); #define __BP_CASE174 __BP_CASE173 case 174: goto BP_LABEL_N(174); #define __BP_CASE175 __BP_CASE174 case 175: goto BP_LABEL_N(175); #define __BP_CASE176 __BP_CASE175 case 176: goto BP_LABEL_N(176); #define __BP_CASE177 __BP_CASE176 case 177: goto BP_LABEL_N(177); #define __BP_CASE178 __BP_CASE177 case 178: goto BP_LABEL_N(178); #define __BP_CASE179 __BP_CASE178 case 179: goto BP_LABEL_N(179); #define __BP_CASE180 __BP_CASE179 case 180: goto BP_LABEL_N(180); #define __BP_CASE181 __BP_CASE180 case 181: goto BP_LABEL_N(181); #define __BP_CASE182 __BP_CASE181 case 182: goto BP_LABEL_N(182); #define __BP_CASE183 __BP_CASE182 case 183: goto BP_LABEL_N(183); #define __BP_CASE184 __BP_CASE183 case 184: goto BP_LABEL_N(184); #define __BP_CASE185 __BP_CASE184 case 185: goto BP_LABEL_N(185); #define __BP_CASE186 __BP_CASE185 case 186: goto BP_LABEL_N(186); #define __BP_CASE187 __BP_CASE186 case 187: goto BP_LABEL_N(187); #define __BP_CASE188 __BP_CASE187 case 188: goto BP_LABEL_N(188); #define __BP_CASE189 __BP_CASE188 case 189: goto BP_LABEL_N(189); #define __BP_CASE190 __BP_CASE189 case 190: goto BP_LABEL_N(190); #define __BP_CASE191 __BP_CASE190 case 191: goto BP_LABEL_N(191); #define __BP_CASE192 __BP_CASE191 case 192: goto BP_LABEL_N(192); #define __BP_CASE193 __BP_CASE192 case 193: goto BP_LABEL_N(193); #define __BP_CASE194 __BP_CASE193 case 194: goto BP_LABEL_N(194); #define __BP_CASE195 __BP_CASE194 case 195: goto BP_LABEL_N(195); #define __BP_CASE196 __BP_CASE195 case 196: goto BP_LABEL_N(196); #define __BP_CASE197 __BP_CASE196 case 197: goto BP_LABEL_N(197); #define __BP_CASE198 __BP_CASE197 case 198: goto BP_LABEL_N(198); #define __BP_CASE199 __BP_CASE198 case 199: goto BP_LABEL_N(199); #define __BP_CASE200 __BP_CASE199 case 200: goto BP_LABEL_N(200); #define __BP_CASE201 __BP_CASE200 case 201: goto BP_LABEL_N(201); #define __BP_CASE202 __BP_CASE201 case 202: goto BP_LABEL_N(202); #define __BP_CASE203 __BP_CASE202 case 203: goto BP_LABEL_N(203); #define __BP_CASE204 __BP_CASE203 case 204: goto BP_LABEL_N(204); #define __BP_CASE205 __BP_CASE204 case 205: goto BP_LABEL_N(205); #define __BP_CASE206 __BP_CASE205 case 206: goto BP_LABEL_N(206); #define __BP_CASE207 __BP_CASE206 case 207: goto BP_LABEL_N(207); #define __BP_CASE208 __BP_CASE207 case 208: goto BP_LABEL_N(208); #define __BP_CASE209 __BP_CASE208 case 209: goto BP_LABEL_N(209); #define __BP_CASE210 __BP_CASE209 case 210: goto BP_LABEL_N(210); #define __BP_CASE211 __BP_CASE210 case 211: goto BP_LABEL_N(211); #define __BP_CASE212 __BP_CASE211 case 212: goto BP_LABEL_N(212); #define __BP_CASE213 __BP_CASE212 case 213: goto BP_LABEL_N(213); #define __BP_CASE214 __BP_CASE213 case 214: goto BP_LABEL_N(214); #define __BP_CASE215 __BP_CASE214 case 215: goto BP_LABEL_N(215); #define __BP_CASE216 __BP_CASE215 case 216: goto BP_LABEL_N(216); #define __BP_CASE217 __BP_CASE216 case 217: goto BP_LABEL_N(217); #define __BP_CASE218 __BP_CASE217 case 218: goto BP_LABEL_N(218); #define __BP_CASE219 __BP_CASE218 case 219: goto BP_LABEL_N(219); #define __BP_CASE220 __BP_CASE219 case 220: goto BP_LABEL_N(220); #define __BP_CASE221 __BP_CASE220 case 221: goto BP_LABEL_N(221); #define __BP_CASE222 __BP_CASE221 case 222: goto BP_LABEL_N(222); #define __BP_CASE223 __BP_CASE222 case 223: goto BP_LABEL_N(223); #define __BP_CASE224 __BP_CASE223 case 224: goto BP_LABEL_N(224); #define __BP_CASE225 __BP_CASE224 case 225: goto BP_LABEL_N(225); #define __BP_CASE226 __BP_CASE225 case 226: goto BP_LABEL_N(226); #define __BP_CASE227 __BP_CASE226 case 227: goto BP_LABEL_N(227); #define __BP_CASE228 __BP_CASE227 case 228: goto BP_LABEL_N(228); #define __BP_CASE229 __BP_CASE228 case 229: goto BP_LABEL_N(229); #define __BP_CASE230 __BP_CASE229 case 230: goto BP_LABEL_N(230); #define __BP_CASE231 __BP_CASE230 case 231: goto BP_LABEL_N(231); #define __BP_CASE232 __BP_CASE231 case 232: goto BP_LABEL_N(232); #define __BP_CASE233 __BP_CASE232 case 233: goto BP_LABEL_N(233); #define __BP_CASE234 __BP_CASE233 case 234: goto BP_LABEL_N(234); #define __BP_CASE235 __BP_CASE234 case 235: goto BP_LABEL_N(235); #define __BP_CASE236 __BP_CASE235 case 236: goto BP_LABEL_N(236); #define __BP_CASE237 __BP_CASE236 case 237: goto BP_LABEL_N(237); #define __BP_CASE238 __BP_CASE237 case 238: goto BP_LABEL_N(238); #define __BP_CASE239 __BP_CASE238 case 239: goto BP_LABEL_N(239); #define __BP_CASE240 __BP_CASE239 case 240: goto BP_LABEL_N(240); #define __BP_CASE241 __BP_CASE240 case 241: goto BP_LABEL_N(241); #define __BP_CASE242 __BP_CASE241 case 242: goto BP_LABEL_N(242); #define __BP_CASE243 __BP_CASE242 case 243: goto BP_LABEL_N(243); #define __BP_CASE244 __BP_CASE243 case 244: goto BP_LABEL_N(244); #define __BP_CASE245 __BP_CASE244 case 245: goto BP_LABEL_N(245); #define __BP_CASE246 __BP_CASE245 case 246: goto BP_LABEL_N(246); #define __BP_CASE247 __BP_CASE246 case 247: goto BP_LABEL_N(247); #define __BP_CASE248 __BP_CASE247 case 248: goto BP_LABEL_N(248); #define __BP_CASE249 __BP_CASE248 case 249: goto BP_LABEL_N(249); #define __BP_CASE250 __BP_CASE249 case 250: goto BP_LABEL_N(250); #define __BP_CASE251 __BP_CASE250 case 251: goto BP_LABEL_N(251); #define __BP_CASE252 __BP_CASE251 case 252: goto BP_LABEL_N(252); #define __BP_CASE253 __BP_CASE252 case 253: goto BP_LABEL_N(253); #define __BP_CASE254 __BP_CASE253 case 254: goto BP_LABEL_N(254); #define __BP_CASE255 __BP_CASE254 case 255: goto BP_LABEL_N(255); /* 再定义一个__BP_CAT_连接宏，供__BP_CASEN使用 */ #define __BP_CAT_(x, y) __BP_CAT_1(x, y) #define __BP_CAT_1(x, y) x##y /* 由于__BP_CASE中包含了__BP_CAT宏， * 因此不可再次使用__BP_CAT宏， * 故使用__BP_CAT_宏 */ #define __BP_CASEN(bp_nums) __BP_CAT_(__BP_CASE, bp_nums) /********************************************************* *@简要： ***开始一个bp协程 * *@约定： ***1、bp_nums必须是纯数字，或者展开后为纯数字的宏 ***2、bp_nums表示从bp_begin()到bp_end()之间包含的断点个数 ***3、bp_begin()到bp_end()之间的断点号从1到n连续，不可遗漏与多余 * *@参数： *[bp_nums]：表示bp_begin()到bp_end()之间包含的断点个数 *[bp]：用于记录当前断点位置的生命周期为全局的变量（一个字节） **********************************************************/ #define bp_begin(bp_nums, bp) __BP_HEADER(bp) __BP_CASEN(bp_nums) __BP_TAIL /********************************************************* *@简要： ***与bp_begin()组成协程的作用域 * *@参数： *[bp]：用于记录当前断点位置的生命周期为全局的变量（一个字节） **********************************************************/ #define bp_end(bp) \ do { BP_LABEL_END: (bp) = BP_INIT_VAL; } while (0) /************************************************************ *@简介： ***将断点号记录在bp变量之中 * *@参数： *[bp_num]：记录的断点号 *[bp]：用于记录当前断点位置的生命周期为全局的变量（一个字节） *************************************************************/ #define bp_set(bp_num, bp) ((int)((bp) = (bp_num))) /************************************************************ *@简介： ***创建一个断点号为bp_num的恢复位置，bp_begin()会根据bp变量中的断点号 ***跳转到相应的恢复位置。 * *@约定： ***1、每次都使用不同的bp_num创建恢复位置 ***2、bp_begin()到bp_end()之间的断点号从1到n连续，不可遗漏与多余 ***3、bp_nums必须是纯数字，或者展开后为纯数字的宏 * *@参数： *[bp_num]：对应的断点号 *************************************************************/ #define bp_restore_point(bp_num) BP_LABEL_N(bp_num) /************************************************************************* * BP初始化 ************************************************************************* */ #define BP_INIT_VAL 0 #define bp_init(bp) ((bp) = BP_INIT_VAL) /********************************************************* *@说明： ***BP yield系列函数 * *@注意： ***bp_yield系列函数由bp_set与bp_restore_point组成，因此需要 ***遵守bp_restore_point的使用约定。 ***如下： ***1、bp_nums必须是纯数字，或者展开后为纯数字的宏 ***2、bp_begin()到bp_end()之间的断点号从1到n连续，不可遗漏与多余 *********************************************************/ /* 主动返回，后面可以跟一条语句或值，并在下次调用恢复当前执行位置 */ #define bp_yield(bp_num, bp) \ if (0) \ { \ bp_restore_point(bp_num):; \ } \ else while (bp_set(bp_num, bp)) \ return /************************************************************************* * BP 其他系列 ************************************************************************* */ /* 跳出BP_BEGIN到BP_END包含的语句之外 */ #define bp_break \ do {goto BP_LABEL_END; } while (0) /* 从BP_BEGIN之后重新执行 */ #define bp_continue \ do { goto BP_LABEL_START; } while (0) /* 退出BP_BEGIN-BP_END语句块，下次调用将重新执行 */ #define bp_exit(bp) \ while (((bp) = BP_INIT_VAL) || 1) return /* 直接返回，不修改断点位置 */ #define bp_ret return /************************************************************ * 定义一个bpd指针，可使用BPD系列宏，省略bp参数 * 例： * * unsigned char *bpd = &ctx->bp; * * bpd_begin(1) * * bpd_yield(1); * * bpd_end(); * ************************************************************/ /* 将bpd默认作为bp系列宏的bp参数 */ #define BP_DEFAULT *bpd #define BPD_INIT_VAL 0 #define bpd_init(bp) ((BP_DEFAULT) = BP_INIT_VAL) #define bpd_restore_point(point) bp_restore_point(point) #define bpd_begin(bp_nums) bp_begin(bp_nums, (BP_DEFAULT)) #define bpd_end() bp_end((BP_DEFAULT)) #define bpd_set(bp_num) bp_set(bp_num, (BP_DEFAULT)) #define bpd_yield(bp_num) bp_yield(bp_num, (BP_DEFAULT)) #define bpd_break bp_break #define bpd_continue bp_continue #define bpd_exit() bp_exit((BP_DEFAULT)) #define bpd_ret bp_ret #endif /* __BP_H__ */