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Rev | Author | Line No. | Line |
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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 | } |