Rev 1200 | Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1199 | giacomo | 1 | #include <stdlib.h> |
| 2 | #include <string.h> |
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| 3 | #include <stdio.h> |
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| 4 | #include "parser.h" |
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| 5 | |||
| 6 | #define PAR_TOTAL_EXEC_TIME 0 |
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| 7 | #define PAR_TIME 2 |
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| 8 | #define PAR_ACT_TYPE 3 |
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| 9 | #define PAR_TASK_NUMBER 4 |
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| 10 | #define PAR_EXEC_TYPE 5 |
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| 11 | #define PAR_TASK_TYPE 6 |
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| 12 | #define PAR_NOTHING 8 |
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| 13 | #define PAR_END 9 |
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| 14 | #define PAR_ERROR 10 |
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| 15 | #define PAR_FOUND 11 |
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| 16 | |||
| 17 | #define PAR_EXEC_CONST 12 |
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| 18 | #define PAR_EXEC_MEAN 13 |
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| 19 | #define PAR_EXEC_EXP 14 |
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| 20 | #define PAR_EXEC_EXP_MAX 15 |
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| 21 | |||
| 22 | #define PAR_ACT_SINGLE 16 |
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| 23 | #define PAR_ACT_PERIODIC 17 |
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| 24 | #define PAR_ACT_MEAN 18 |
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| 25 | #define PAR_ACT_EXP 19 |
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| 26 | #define PAR_ACT_EXP_MAX 20 |
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| 27 | |||
| 28 | #define PAR_TASK_NRT 21 |
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| 29 | #define PAR_TASK_HARD 22 |
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| 30 | #define PAR_TASK_SOFT 23 |
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| 31 | |||
| 32 | #define PARSER_DEBUG |
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| 33 | |||
| 34 | static int find_break(char **buf, int find_type, struct timespec *time, int *val) |
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| 35 | { |
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| 36 | |||
| 37 | int i; |
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| 38 | char str[20]; |
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| 39 | |||
| 40 | i = 0; |
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| 41 | while (((char *)(*buf))[i] == ' ' || ((char *)(*buf))[i] == ':') i++; |
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| 42 | *buf += i; |
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| 43 | |||
| 44 | if (((char *)(*buf))[0] == '#') return PAR_NOTHING; |
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| 45 | |||
| 46 | switch (find_type) { |
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| 47 | |||
| 48 | case PAR_END: |
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| 49 | if (((char *)(*buf))[0] == ';' || ((char *)(*buf))[0] == '\n') return PAR_FOUND; |
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| 50 | break; |
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| 51 | |||
| 52 | case PAR_TOTAL_EXEC_TIME: |
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| 53 | if (!strncmp(*buf, "TOTAL_EXEC_TIME:",16)) { |
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| 54 | *buf += 16; |
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| 55 | return PAR_FOUND; |
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| 56 | } |
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| 57 | break; |
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| 58 | |||
| 59 | case PAR_TIME: |
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| 60 | if (((char *)(*buf))[0] != '[') return PAR_ERROR; |
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| 61 | *buf += 1; |
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| 62 | i = 0; |
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| 63 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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| 64 | str[i] = ((char *)(*buf))[i]; |
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| 65 | i++; |
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| 66 | } |
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| 67 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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| 68 | str[i] = 0; |
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| 69 | time->tv_sec = atoi(str); |
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| 70 | i += 2; |
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| 71 | *buf += i; |
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| 72 | i = 0; |
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| 73 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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| 74 | str[i] = ((char *)(*buf))[i]; |
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| 75 | i++; |
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| 76 | } |
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| 77 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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| 78 | str[i] = 0; |
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| 79 | time->tv_nsec = atoi(str) * 1000; |
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| 80 | i += 2; |
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| 81 | *buf += i; |
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| 82 | return PAR_FOUND; |
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| 83 | break; |
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| 84 | |||
| 85 | case PAR_TASK_TYPE: |
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| 86 | if (!strncmp(*buf, "NRT:",4)) { |
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| 87 | *val = PAR_TASK_NRT; |
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| 88 | *buf += 4; |
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| 89 | return PAR_FOUND; |
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| 90 | } |
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| 91 | if (!strncmp(*buf, "HARD:",5)) { |
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| 92 | *val = PAR_TASK_HARD; |
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| 93 | *buf += 5; |
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| 94 | return PAR_FOUND; |
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| 95 | } |
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| 96 | if (!strncmp(*buf, "SOFT:",5)) { |
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| 97 | *val = PAR_TASK_SOFT; |
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| 98 | *buf += 5; |
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| 99 | return PAR_FOUND; |
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| 100 | } |
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| 101 | break; |
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| 102 | |||
| 103 | case PAR_TASK_NUMBER: |
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| 104 | if (((char *)(*buf))[0] != '[') return PAR_ERROR; |
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| 105 | *buf += 1; |
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| 106 | i = 0; |
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| 107 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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| 108 | str[i] = ((char *)(*buf))[i]; |
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| 109 | i++; |
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| 110 | } |
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| 111 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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| 112 | str[i] = 0; |
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| 113 | *val = atoi(str); |
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| 114 | i += 2; |
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| 115 | *buf += i; |
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| 116 | return PAR_FOUND; |
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| 117 | break; |
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| 118 | |||
| 119 | case PAR_ACT_TYPE: |
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| 120 | if (!strncmp(*buf,"ACT_SINGLE(",11)) { |
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| 121 | *buf += 11; |
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| 122 | *val = PAR_ACT_SINGLE; |
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| 123 | return PAR_FOUND; |
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| 124 | } |
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| 125 | if (!strncmp(*buf,"ACT_PERIODIC(",13)) { |
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| 126 | *buf += 13; |
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| 127 | *val = PAR_ACT_PERIODIC; |
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| 128 | return PAR_FOUND; |
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| 129 | } |
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| 130 | if (!strncmp(*buf,"ACT_MEAN(",9)) { |
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| 131 | *buf += 9; |
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| 132 | *val = PAR_ACT_MEAN; |
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| 133 | return PAR_FOUND; |
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| 134 | } |
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| 135 | if (!strncmp(*buf,"ACT_EXP(",8)) { |
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| 136 | *buf += 8; |
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| 137 | *val = PAR_ACT_EXP; |
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| 138 | return PAR_FOUND;; |
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| 139 | } |
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| 140 | if (!strncmp(*buf,"ACT_EXP_MAX(",12)) { |
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| 141 | *buf += 12; |
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| 142 | *val = PAR_ACT_EXP_MAX; |
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| 143 | return PAR_FOUND; |
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| 144 | } |
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| 145 | return PAR_ERROR; |
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| 146 | break; |
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| 147 | |||
| 148 | case PAR_EXEC_TYPE: |
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| 149 | if (!strncmp(*buf,"EXEC_CONST(",11)) { |
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| 150 | *buf += 11; |
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| 151 | *val = PAR_EXEC_CONST; |
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| 152 | return PAR_FOUND; |
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| 153 | } |
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| 154 | if (!strncmp(*buf,"EXEC_MEAN(",10)) { |
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| 155 | *buf += 10; |
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| 156 | *val = PAR_EXEC_MEAN; |
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| 157 | return PAR_FOUND; |
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| 158 | } |
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| 159 | if (!strncmp(*buf,"EXEC_EXP(",9)) { |
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| 160 | *buf += 9; |
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| 161 | *val = PAR_EXEC_EXP; |
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| 162 | return PAR_FOUND; |
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| 163 | } |
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| 164 | if (!strncmp(*buf,"EXEC_EXP_MAX(",13)) { |
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| 165 | *buf += 13; |
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| 166 | *val = PAR_EXEC_EXP_MAX; |
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| 167 | return PAR_FOUND; |
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| 168 | } |
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| 169 | return PAR_ERROR; |
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| 170 | break; |
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| 171 | |||
| 172 | } |
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| 173 | |||
| 174 | return PAR_ERROR; |
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| 175 | |||
| 176 | } |
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| 177 | |||
| 178 | void par_error(int line_num) |
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| 179 | { |
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| 180 | |||
| 181 | cprintf("\nParser error: line [%d]\n",line_num); |
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| 182 | |||
| 183 | } |
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| 184 | |||
| 185 | int line_parser(void) |
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| 186 | { |
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| 187 | char buf[1000]; |
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| 188 | char *pbuf = buf; |
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| 189 | struct timespec time,total_exec_time; |
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| 190 | struct loader_task ld; |
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| 191 | int val, res; |
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| 192 | |||
| 193 | sprintf(buf,"NRT:[1]:[1]:ACT_PERIODIC([13][123],[45][456]):[0][1000]:EXEC_CONST([0][10]);\n"); |
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| 194 | |||
| 195 | res = find_break(&pbuf,PAR_TOTAL_EXEC_TIME, &time, &val); |
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| 196 | if (res == PAR_FOUND) { |
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| 197 | NULL_TIMESPEC(&total_exec_time); |
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| 198 | res = find_break(&pbuf, PAR_TIME, &time, &val); |
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| 199 | if (res == PAR_FOUND) { |
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| 200 | TIMESPEC_ASSIGN(&total_exec_time,&time); |
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| 201 | #ifdef PARSER_DEBUG |
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| 202 | cprintf("TOTAL EXEC TIME SEC = %ld NSEC = %ld\n",total_exec_time.tv_sec,total_exec_time.tv_nsec); |
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| 203 | #endif |
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| 204 | return 0; |
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| 205 | } else par_error(1); |
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| 206 | } |
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| 207 | |||
| 208 | res = find_break(&pbuf,PAR_TASK_TYPE, &time, &val); |
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| 209 | if (res == PAR_FOUND) { |
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| 210 | #ifdef PARSER_DEBUG |
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| 211 | cprintf("TASK TYPE = %d\n",val); |
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| 212 | #endif |
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| 213 | ld.task_type = val; |
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| 214 | } else par_error(1); |
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| 215 | |||
| 216 | res = find_break(&pbuf,PAR_TASK_NUMBER, &time, &val); |
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| 217 | if (res == PAR_FOUND) { |
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| 218 | #ifdef PARSER_DEBUG |
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| 219 | cprintf("TASK LEVEL = %d\n",val); |
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| 220 | #endif |
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| 221 | ld.task_level = val; |
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| 222 | } else par_error(1); |
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| 223 | |||
| 224 | res = find_break(&pbuf,PAR_TASK_NUMBER, &time, &val); |
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| 225 | if (res == PAR_FOUND) { |
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| 226 | #ifdef PARSER_DEBUG |
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| 227 | cprintf("TASK NUMBER = %d\n",val); |
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| 228 | #endif |
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| 229 | ld.number = val; |
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| 230 | } else par_error(1); |
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| 231 | |||
| 232 | res = find_break(&pbuf,PAR_ACT_TYPE, &time, &val); |
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| 233 | if (res == PAR_FOUND) { |
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| 234 | #ifdef PARSER_DEBUG |
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| 235 | cprintf("ACTIVATION TYPE: %d (",val); |
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| 236 | #endif |
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| 237 | ld.act_type = val; |
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| 238 | |||
| 239 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 240 | if (res == PAR_FOUND) { |
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| 241 | #ifdef PARSER_DEBUG |
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| 242 | cprintf("[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 243 | #endif |
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| 244 | TIMESPEC_ASSIGN(&ld.act_par_1,&time); |
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| 245 | } else par_error(1); |
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| 246 | |||
| 247 | if (ld.act_type != PAR_ACT_SINGLE) { |
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| 248 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 249 | if (res == PAR_FOUND) { |
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| 250 | #ifdef PARSER_DEBUG |
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| 251 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 252 | #endif |
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| 253 | TIMESPEC_ASSIGN(&ld.act_par_2,&time); |
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| 254 | } else par_error(1); |
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| 255 | } |
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| 256 | |||
| 257 | if (ld.act_type != PAR_ACT_SINGLE && ld.act_type != PAR_ACT_PERIODIC) { |
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| 258 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 259 | if (res == PAR_FOUND) { |
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| 260 | #ifdef PARSER_DEBUG |
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| 261 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 262 | #endif |
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| 263 | TIMESPEC_ASSIGN(&ld.act_par_3,&time); |
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| 264 | } else par_error(1); |
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| 265 | } |
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| 266 | |||
| 267 | if (ld.act_type != PAR_ACT_SINGLE && ld.act_type != PAR_ACT_PERIODIC && |
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| 268 | ld.act_type != PAR_ACT_MEAN && ld.act_type != PAR_ACT_EXP) { |
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| 269 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 270 | if (res == PAR_FOUND) { |
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| 271 | #ifdef PARSER_DEBUG |
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| 272 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 273 | #endif |
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| 274 | TIMESPEC_ASSIGN(&ld.act_par_4,&time); |
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| 275 | } else par_error(1); |
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| 276 | } |
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| 277 | |||
| 278 | #ifdef PARSER_DEBUG |
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| 279 | cprintf(")\n"); |
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| 280 | #endif |
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| 281 | |||
| 282 | } else par_error(1); |
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| 283 | |||
| 284 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 285 | if (res == PAR_FOUND) { |
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| 286 | #ifdef PARSER_DEBUG |
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| 287 | cprintf("WCET: [%ld][%ld]\n",time.tv_sec,time.tv_nsec/1000); |
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| 288 | #endif |
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| 289 | TIMESPEC_ASSIGN(&ld.wcet,&time); |
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| 290 | } else par_error(1); |
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| 291 | |||
| 292 | res = find_break(&pbuf,PAR_EXEC_TYPE, &time, &val); |
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| 293 | if (res == PAR_FOUND) { |
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| 294 | #ifdef PARSER_DEBUG |
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| 295 | cprintf("EXEC TYPE: %d (",val); |
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| 296 | #endif |
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| 297 | ld.exec_type = val; |
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| 298 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 299 | if (res == PAR_FOUND) { |
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| 300 | #ifdef PARSER_DEBUG |
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| 301 | cprintf("[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 302 | #endif |
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| 303 | TIMESPEC_ASSIGN(&ld.exec_par_1,&time); |
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| 304 | } else par_error(1); |
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| 305 | |||
| 306 | if (ld.exec_type != PAR_EXEC_CONST) { |
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| 307 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 308 | if (res == PAR_FOUND) { |
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| 309 | #ifdef PARSER_DEBUG |
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| 310 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 311 | #endif |
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| 312 | TIMESPEC_ASSIGN(&ld.exec_par_2,&time); |
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| 313 | } else par_error(1); |
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| 314 | } |
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| 315 | |||
| 316 | if (ld.exec_type != PAR_EXEC_CONST && ld.exec_type != PAR_EXEC_MEAN && |
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| 317 | ld.exec_type != PAR_EXEC_EXP) { |
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| 318 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 319 | if (res == PAR_FOUND) { |
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| 320 | #ifdef PARSER_DEBUG |
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| 321 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 322 | #endif |
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| 323 | TIMESPEC_ASSIGN(&ld.exec_par_3,&time); |
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| 324 | } else par_error(1); |
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| 325 | } |
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| 326 | |||
| 327 | #ifdef PARSER_DEBUG |
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| 328 | cprintf(")\n"); |
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| 329 | #endif |
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| 330 | |||
| 331 | } else par_error(1); |
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| 332 | |||
| 333 | return 0; |
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| 334 | |||
| 335 | } |