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Rev | Author | Line No. | Line |
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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 | |||
1203 | giacomo | 7 | //#define PARSER_DEBUG |
1199 | giacomo | 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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1203 | giacomo | 112 | if (!strncmp(*buf,"ACT_GAUSS(",10)) { |
113 | *buf += 10; |
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114 | *val = PAR_ACT_GAUSS; |
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1199 | giacomo | 115 | return PAR_FOUND;; |
116 | } |
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1203 | giacomo | 117 | if (!strncmp(*buf,"ACT_GAUSS_MAX(",14)) { |
118 | *buf += 14; |
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119 | *val = PAR_ACT_GAUSS_MAX; |
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1199 | giacomo | 120 | return PAR_FOUND; |
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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1203 | giacomo | 136 | if (!strncmp(*buf,"EXEC_GAUSS(",11)) { |
137 | *buf += 11; |
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138 | *val = PAR_EXEC_GAUSS; |
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1199 | giacomo | 139 | return PAR_FOUND; |
140 | } |
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1203 | giacomo | 141 | if (!strncmp(*buf,"EXEC_GAUSS_MAX(",15)) { |
142 | *buf += 15; |
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143 | *val = PAR_EXEC_GAUSS_MAX; |
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1199 | giacomo | 144 | return PAR_FOUND; |
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 && |
1203 | giacomo | 264 | ld->act_type != PAR_ACT_MEAN && ld->act_type != PAR_ACT_GAUSS) { |
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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1203 | giacomo | 283 | cprintf("DEADLINE: [%ld][%ld]\n",time.tv_sec,time.tv_nsec/1000); |
284 | #endif |
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285 | TIMESPEC_ASSIGN(&ld->deadline,&time); |
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286 | } else par_error(line_num); |
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287 | |||
288 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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289 | if (res == PAR_FOUND) { |
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290 | #ifdef PARSER_DEBUG |
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1199 | giacomo | 291 | cprintf("WCET: [%ld][%ld]\n",time.tv_sec,time.tv_nsec/1000); |
292 | #endif |
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1200 | giacomo | 293 | TIMESPEC_ASSIGN(&ld->wcet,&time); |
294 | } else par_error(line_num); |
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1199 | giacomo | 295 | |
296 | res = find_break(&pbuf,PAR_EXEC_TYPE, &time, &val); |
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297 | if (res == PAR_FOUND) { |
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298 | #ifdef PARSER_DEBUG |
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299 | cprintf("EXEC TYPE: %d (",val); |
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300 | #endif |
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1200 | giacomo | 301 | ld->exec_type = val; |
1199 | giacomo | 302 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
303 | if (res == PAR_FOUND) { |
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304 | #ifdef PARSER_DEBUG |
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305 | cprintf("[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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306 | #endif |
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1200 | giacomo | 307 | TIMESPEC_ASSIGN(&ld->exec_par_1,&time); |
308 | } else par_error(line_num); |
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1199 | giacomo | 309 | |
1200 | giacomo | 310 | if (ld->exec_type != PAR_EXEC_CONST) { |
1199 | giacomo | 311 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
312 | if (res == PAR_FOUND) { |
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313 | #ifdef PARSER_DEBUG |
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314 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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315 | #endif |
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1200 | giacomo | 316 | TIMESPEC_ASSIGN(&ld->exec_par_2,&time); |
317 | } else par_error(line_num); |
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1199 | giacomo | 318 | } |
319 | |||
1200 | giacomo | 320 | if (ld->exec_type != PAR_EXEC_CONST && ld->exec_type != PAR_EXEC_MEAN && |
1203 | giacomo | 321 | ld->exec_type != PAR_EXEC_GAUSS) { |
1199 | giacomo | 322 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
323 | if (res == PAR_FOUND) { |
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324 | #ifdef PARSER_DEBUG |
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325 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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326 | #endif |
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1200 | giacomo | 327 | TIMESPEC_ASSIGN(&ld->exec_par_3,&time); |
328 | } else par_error(line_num); |
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1199 | giacomo | 329 | } |
330 | |||
331 | #ifdef PARSER_DEBUG |
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332 | cprintf(")\n"); |
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333 | #endif |
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334 | |||
1200 | giacomo | 335 | } else par_error(line_num); |
1199 | giacomo | 336 | |
1200 | giacomo | 337 | return 2; |
1199 | giacomo | 338 | |
339 | } |
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1200 | giacomo | 340 |