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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1200 | giacomo | 1 | #include <kernel/kern.h> |
| 1199 | giacomo | 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
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| 4 | #include <stdio.h> |
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| 5 | #include "parser.h" |
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| 6 | |||
| 7 | #define PARSER_DEBUG |
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| 8 | |||
| 9 | static int find_break(char **buf, int find_type, struct timespec *time, int *val) |
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| 10 | { |
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| 11 | |||
| 12 | int i; |
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| 13 | char str[20]; |
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| 14 | |||
| 15 | i = 0; |
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| 16 | while (((char *)(*buf))[i] == ' ' || ((char *)(*buf))[i] == ':') i++; |
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| 17 | *buf += i; |
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| 18 | |||
| 19 | switch (find_type) { |
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| 1200 | giacomo | 20 | |
| 21 | case PAR_NOTHING: |
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| 22 | if (((char *)(*buf))[0] == '#' || |
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| 23 | ((char *)(*buf))[0] == ';' || |
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| 24 | ((char *)(*buf))[0] == 0 || |
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| 1201 | giacomo | 25 | ((char *)(*buf))[0] == '\n' || |
| 26 | ((char *)(*buf))[0] == '\r') return PAR_FOUND; |
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| 1200 | giacomo | 27 | break; |
| 1199 | giacomo | 28 | |
| 29 | case PAR_TOTAL_EXEC_TIME: |
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| 30 | if (!strncmp(*buf, "TOTAL_EXEC_TIME:",16)) { |
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| 31 | *buf += 16; |
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| 32 | return PAR_FOUND; |
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| 33 | } |
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| 34 | break; |
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| 35 | |||
| 36 | case PAR_TIME: |
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| 37 | if (((char *)(*buf))[0] != '[') return PAR_ERROR; |
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| 38 | *buf += 1; |
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| 39 | i = 0; |
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| 40 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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| 41 | str[i] = ((char *)(*buf))[i]; |
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| 42 | i++; |
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| 43 | } |
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| 44 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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| 45 | str[i] = 0; |
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| 46 | time->tv_sec = atoi(str); |
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| 47 | i += 2; |
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| 48 | *buf += i; |
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| 49 | i = 0; |
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| 50 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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| 51 | str[i] = ((char *)(*buf))[i]; |
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| 52 | i++; |
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| 53 | } |
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| 54 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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| 55 | str[i] = 0; |
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| 56 | time->tv_nsec = atoi(str) * 1000; |
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| 57 | i += 2; |
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| 58 | *buf += i; |
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| 59 | return PAR_FOUND; |
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| 60 | break; |
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| 61 | |||
| 62 | case PAR_TASK_TYPE: |
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| 63 | if (!strncmp(*buf, "NRT:",4)) { |
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| 64 | *val = PAR_TASK_NRT; |
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| 65 | *buf += 4; |
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| 66 | return PAR_FOUND; |
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| 67 | } |
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| 68 | if (!strncmp(*buf, "HARD:",5)) { |
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| 69 | *val = PAR_TASK_HARD; |
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| 70 | *buf += 5; |
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| 71 | return PAR_FOUND; |
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| 72 | } |
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| 73 | if (!strncmp(*buf, "SOFT:",5)) { |
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| 74 | *val = PAR_TASK_SOFT; |
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| 75 | *buf += 5; |
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| 76 | return PAR_FOUND; |
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| 77 | } |
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| 78 | break; |
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| 79 | |||
| 80 | case PAR_TASK_NUMBER: |
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| 81 | if (((char *)(*buf))[0] != '[') return PAR_ERROR; |
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| 82 | *buf += 1; |
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| 83 | i = 0; |
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| 84 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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| 85 | str[i] = ((char *)(*buf))[i]; |
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| 86 | i++; |
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| 87 | } |
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| 88 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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| 89 | str[i] = 0; |
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| 90 | *val = atoi(str); |
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| 91 | i += 2; |
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| 92 | *buf += i; |
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| 93 | return PAR_FOUND; |
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| 94 | break; |
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| 95 | |||
| 96 | case PAR_ACT_TYPE: |
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| 97 | if (!strncmp(*buf,"ACT_SINGLE(",11)) { |
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| 98 | *buf += 11; |
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| 99 | *val = PAR_ACT_SINGLE; |
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| 100 | return PAR_FOUND; |
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| 101 | } |
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| 102 | if (!strncmp(*buf,"ACT_PERIODIC(",13)) { |
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| 103 | *buf += 13; |
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| 104 | *val = PAR_ACT_PERIODIC; |
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| 105 | return PAR_FOUND; |
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| 106 | } |
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| 107 | if (!strncmp(*buf,"ACT_MEAN(",9)) { |
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| 108 | *buf += 9; |
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| 109 | *val = PAR_ACT_MEAN; |
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| 110 | return PAR_FOUND; |
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| 111 | } |
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| 112 | if (!strncmp(*buf,"ACT_EXP(",8)) { |
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| 113 | *buf += 8; |
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| 114 | *val = PAR_ACT_EXP; |
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| 115 | return PAR_FOUND;; |
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| 116 | } |
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| 117 | if (!strncmp(*buf,"ACT_EXP_MAX(",12)) { |
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| 118 | *buf += 12; |
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| 119 | *val = PAR_ACT_EXP_MAX; |
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| 120 | return PAR_FOUND; |
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| 121 | } |
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| 122 | return PAR_ERROR; |
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| 123 | break; |
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| 124 | |||
| 125 | case PAR_EXEC_TYPE: |
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| 126 | if (!strncmp(*buf,"EXEC_CONST(",11)) { |
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| 127 | *buf += 11; |
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| 128 | *val = PAR_EXEC_CONST; |
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| 129 | return PAR_FOUND; |
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| 130 | } |
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| 131 | if (!strncmp(*buf,"EXEC_MEAN(",10)) { |
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| 132 | *buf += 10; |
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| 133 | *val = PAR_EXEC_MEAN; |
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| 134 | return PAR_FOUND; |
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| 135 | } |
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| 136 | if (!strncmp(*buf,"EXEC_EXP(",9)) { |
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| 137 | *buf += 9; |
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| 138 | *val = PAR_EXEC_EXP; |
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| 139 | return PAR_FOUND; |
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| 140 | } |
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| 141 | if (!strncmp(*buf,"EXEC_EXP_MAX(",13)) { |
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| 142 | *buf += 13; |
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| 143 | *val = PAR_EXEC_EXP_MAX; |
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| 144 | return PAR_FOUND; |
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| 145 | } |
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| 146 | return PAR_ERROR; |
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| 147 | break; |
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| 148 | |||
| 149 | } |
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| 150 | |||
| 151 | return PAR_ERROR; |
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| 152 | |||
| 153 | } |
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| 154 | |||
| 155 | void par_error(int line_num) |
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| 156 | { |
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| 157 | |||
| 158 | cprintf("\nParser error: line [%d]\n",line_num); |
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| 1200 | giacomo | 159 | sys_end(); |
| 1199 | giacomo | 160 | |
| 161 | } |
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| 162 | |||
| 1200 | giacomo | 163 | /* result: |
| 164 | * 0 -> nothing |
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| 165 | * 1 -> total |
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| 166 | * 2 -> new task-loader |
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| 167 | */ |
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| 1201 | giacomo | 168 | int line_parser(char *buf, int line_num, struct timespec *total, struct loader_task **last) |
| 1199 | giacomo | 169 | { |
| 170 | char *pbuf = buf; |
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| 1200 | giacomo | 171 | struct timespec time; |
| 172 | struct loader_task *ld = NULL; |
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| 1199 | giacomo | 173 | int val, res; |
| 174 | |||
| 1200 | giacomo | 175 | res = find_break(&pbuf, PAR_NOTHING, &time, &val); |
| 176 | if (res == PAR_FOUND) return 0; |
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| 177 | |||
| 1199 | giacomo | 178 | res = find_break(&pbuf,PAR_TOTAL_EXEC_TIME, &time, &val); |
| 179 | if (res == PAR_FOUND) { |
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| 1200 | giacomo | 180 | NULL_TIMESPEC(total); |
| 1199 | giacomo | 181 | res = find_break(&pbuf, PAR_TIME, &time, &val); |
| 182 | if (res == PAR_FOUND) { |
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| 1200 | giacomo | 183 | TIMESPEC_ASSIGN(total,&time); |
| 1199 | giacomo | 184 | #ifdef PARSER_DEBUG |
| 1200 | giacomo | 185 | cprintf("TOTAL EXEC TIME SEC = %ld NSEC = %ld\n",total->tv_sec,total->tv_nsec); |
| 1199 | giacomo | 186 | #endif |
| 1200 | giacomo | 187 | return 1; |
| 188 | } else par_error(line_num); |
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| 1199 | giacomo | 189 | } |
| 190 | |||
| 191 | res = find_break(&pbuf,PAR_TASK_TYPE, &time, &val); |
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| 192 | if (res == PAR_FOUND) { |
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| 193 | #ifdef PARSER_DEBUG |
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| 194 | cprintf("TASK TYPE = %d\n",val); |
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| 195 | #endif |
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| 196 | |||
| 1200 | giacomo | 197 | ld = malloc(sizeof(struct loader_task)); |
| 198 | if (ld == NULL) par_error(line_num); |
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| 199 | |||
| 200 | ld->next = NULL; |
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| 1201 | giacomo | 201 | *last = ld; |
| 1200 | giacomo | 202 | |
| 203 | ld->task_type = val; |
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| 204 | |||
| 205 | } else par_error(line_num); |
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| 206 | |||
| 1199 | giacomo | 207 | res = find_break(&pbuf,PAR_TASK_NUMBER, &time, &val); |
| 208 | if (res == PAR_FOUND) { |
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| 209 | #ifdef PARSER_DEBUG |
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| 210 | cprintf("TASK LEVEL = %d\n",val); |
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| 211 | #endif |
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| 212 | |||
| 1200 | giacomo | 213 | ld->task_level = val; |
| 214 | |||
| 215 | } else par_error(line_num); |
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| 216 | |||
| 1199 | giacomo | 217 | res = find_break(&pbuf,PAR_TASK_NUMBER, &time, &val); |
| 218 | if (res == PAR_FOUND) { |
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| 219 | #ifdef PARSER_DEBUG |
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| 220 | cprintf("TASK NUMBER = %d\n",val); |
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| 221 | #endif |
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| 222 | |||
| 1200 | giacomo | 223 | ld->number = val; |
| 224 | |||
| 225 | } else par_error(line_num); |
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| 226 | |||
| 1199 | giacomo | 227 | res = find_break(&pbuf,PAR_ACT_TYPE, &time, &val); |
| 228 | if (res == PAR_FOUND) { |
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| 229 | #ifdef PARSER_DEBUG |
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| 230 | cprintf("ACTIVATION TYPE: %d (",val); |
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| 231 | #endif |
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| 1200 | giacomo | 232 | |
| 233 | ld->act_type = val; |
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| 1199 | giacomo | 234 | |
| 235 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 236 | if (res == PAR_FOUND) { |
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| 237 | #ifdef PARSER_DEBUG |
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| 238 | cprintf("[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 239 | #endif |
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| 1200 | giacomo | 240 | TIMESPEC_ASSIGN(&ld->act_par_1,&time); |
| 241 | } else par_error(line_num); |
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| 1199 | giacomo | 242 | |
| 1200 | giacomo | 243 | if (ld->act_type != PAR_ACT_SINGLE) { |
| 1199 | giacomo | 244 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
| 245 | if (res == PAR_FOUND) { |
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| 246 | #ifdef PARSER_DEBUG |
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| 247 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 248 | #endif |
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| 1200 | giacomo | 249 | TIMESPEC_ASSIGN(&ld->act_par_2,&time); |
| 250 | } else par_error(line_num); |
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| 1199 | giacomo | 251 | } |
| 252 | |||
| 1200 | giacomo | 253 | if (ld->act_type != PAR_ACT_SINGLE && ld->act_type != PAR_ACT_PERIODIC) { |
| 1199 | giacomo | 254 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
| 255 | if (res == PAR_FOUND) { |
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| 256 | #ifdef PARSER_DEBUG |
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| 257 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 258 | #endif |
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| 1200 | giacomo | 259 | TIMESPEC_ASSIGN(&ld->act_par_3,&time); |
| 260 | } else par_error(line_num); |
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| 1199 | giacomo | 261 | } |
| 262 | |||
| 1200 | giacomo | 263 | if (ld->act_type != PAR_ACT_SINGLE && ld->act_type != PAR_ACT_PERIODIC && |
| 264 | ld->act_type != PAR_ACT_MEAN && ld->act_type != PAR_ACT_EXP) { |
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| 1199 | giacomo | 265 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
| 266 | if (res == PAR_FOUND) { |
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| 267 | #ifdef PARSER_DEBUG |
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| 268 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 269 | #endif |
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| 1200 | giacomo | 270 | TIMESPEC_ASSIGN(&ld->act_par_4,&time); |
| 271 | } else par_error(line_num); |
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| 1199 | giacomo | 272 | } |
| 273 | |||
| 274 | #ifdef PARSER_DEBUG |
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| 275 | cprintf(")\n"); |
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| 276 | #endif |
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| 277 | |||
| 1200 | giacomo | 278 | } else par_error(line_num); |
| 1199 | giacomo | 279 | |
| 280 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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| 281 | if (res == PAR_FOUND) { |
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| 282 | #ifdef PARSER_DEBUG |
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| 283 | cprintf("WCET: [%ld][%ld]\n",time.tv_sec,time.tv_nsec/1000); |
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| 284 | #endif |
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| 1200 | giacomo | 285 | TIMESPEC_ASSIGN(&ld->wcet,&time); |
| 286 | } else par_error(line_num); |
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| 1199 | giacomo | 287 | |
| 288 | res = find_break(&pbuf,PAR_EXEC_TYPE, &time, &val); |
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| 289 | if (res == PAR_FOUND) { |
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| 290 | #ifdef PARSER_DEBUG |
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| 291 | cprintf("EXEC TYPE: %d (",val); |
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| 292 | #endif |
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| 1200 | giacomo | 293 | ld->exec_type = val; |
| 1199 | giacomo | 294 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
| 295 | if (res == PAR_FOUND) { |
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| 296 | #ifdef PARSER_DEBUG |
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| 297 | cprintf("[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 298 | #endif |
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| 1200 | giacomo | 299 | TIMESPEC_ASSIGN(&ld->exec_par_1,&time); |
| 300 | } else par_error(line_num); |
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| 1199 | giacomo | 301 | |
| 1200 | giacomo | 302 | if (ld->exec_type != PAR_EXEC_CONST) { |
| 1199 | giacomo | 303 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
| 304 | if (res == PAR_FOUND) { |
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| 305 | #ifdef PARSER_DEBUG |
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| 306 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 307 | #endif |
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| 1200 | giacomo | 308 | TIMESPEC_ASSIGN(&ld->exec_par_2,&time); |
| 309 | } else par_error(line_num); |
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| 1199 | giacomo | 310 | } |
| 311 | |||
| 1200 | giacomo | 312 | if (ld->exec_type != PAR_EXEC_CONST && ld->exec_type != PAR_EXEC_MEAN && |
| 313 | ld->exec_type != PAR_EXEC_EXP) { |
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| 1199 | giacomo | 314 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
| 315 | if (res == PAR_FOUND) { |
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| 316 | #ifdef PARSER_DEBUG |
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| 317 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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| 318 | #endif |
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| 1200 | giacomo | 319 | TIMESPEC_ASSIGN(&ld->exec_par_3,&time); |
| 320 | } else par_error(line_num); |
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| 1199 | giacomo | 321 | } |
| 322 | |||
| 323 | #ifdef PARSER_DEBUG |
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| 324 | cprintf(")\n"); |
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| 325 | #endif |
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| 326 | |||
| 1200 | giacomo | 327 | } else par_error(line_num); |
| 1199 | giacomo | 328 | |
| 1200 | giacomo | 329 | return 2; |
| 1199 | giacomo | 330 | |
| 331 | } |
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| 1200 | giacomo | 332 |