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8
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1 #include <assert.h>
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2 #include <stdarg.h>
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5
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6 #include "utils.h"
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10
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7 #include "array.h"
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8
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8 #include "place.h"
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9
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13
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10 struct placefile {
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10
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11 struct place includedfrom;
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12 char *name;
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13 bool fromsystemdir;
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14 };
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13
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15 DECLARRAY(placefile);
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16 DEFARRAY(placefile, );
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10
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17
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13
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18 static struct placefilearray placefiles;
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10
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19 static bool overall_failure;
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20
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21 ////////////////////////////////////////////////////////////
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22 // seenfiles
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23
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24 static
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25 struct placefile *
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26 placefile_create(const struct place *from, const char *name,
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27 bool fromsystemdir)
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28 {
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13
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29 struct placefile *pf;
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30
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13
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31 pf = domalloc(sizeof(*pf));
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32 pf->includedfrom = *from;
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33 pf->name = dostrdup(name);
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34 pf->fromsystemdir = fromsystemdir;
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35 return pf;
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36 }
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37
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38 static
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39 void
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40 placefile_destroy(struct placefile *pf)
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41 {
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13
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42 free(pf->name);
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43 free(pf);
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44 }
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45
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13
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46 DESTROYALL_ARRAY(placefile, );
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47
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48 const struct placefile *
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49 place_addfile(const struct place *place, const char *file, bool issystem)
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50 {
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51 struct placefile *pf;
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52
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53 pf = placefile_create(place, file, issystem);
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54 placefilearray_add(&placefiles, pf, NULL);
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55 return pf;
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10
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56 }
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57
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58 ////////////////////////////////////////////////////////////
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59 // places
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60
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8
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61 void
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62 place_setnowhere(struct place *p)
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63 {
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12
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64 p->type = P_NOWHERE;
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8
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65 p->file = NULL;
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12
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66 p->line = 0;
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67 p->column = 0;
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68 }
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69
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70 void
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71 place_setbuiltin(struct place *p, unsigned num)
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72 {
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73 p->type = P_BUILTIN;
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74 p->file = NULL;
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12
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75 p->line = num;
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76 p->column = 1;
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8
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77 }
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78
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79 void
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14
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80 place_setcommandline(struct place *p, unsigned line, unsigned column)
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81 {
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14
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82 p->type = P_COMMANDLINE;
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83 p->file = NULL;
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84 p->line = line;
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85 p->column = column;
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86 }
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87
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14
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88 void
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89 place_setfilestart(struct place *p, const struct placefile *pf)
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90 {
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91 p->type = P_COMMANDLINE;
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92 p->file = pf;
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93 p->line = 1;
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94 p->column = 1;
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95 }
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96
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8
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97 static
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12
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98 const char *
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99 place_getname(const struct place *p)
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100 {
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12
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101 switch (p->type) {
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102 case P_NOWHERE: return "<nowhere>";
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103 case P_BUILTIN: return "<built-in>";
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104 case P_COMMANDLINE: return "<command-line>";
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105 case P_FILE: return p->file->name;
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106 }
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12
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107 assert(0);
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108 return NULL;
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8
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109 }
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110
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111 static
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112 void
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113 place_printfrom(const struct place *p)
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114 {
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115 const struct place *from;
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116
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117 from = &p->file->includedfrom;
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12
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118 if (from->type != P_NOWHERE) {
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119 place_printfrom(from);
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12
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120 fprintf(stderr, "In file included from %s:%u:%u:\n",
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121 place_getname(from), from->line, from->column);
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122 }
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123 }
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124
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10
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125 ////////////////////////////////////////////////////////////
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126 // complaints
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127
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8
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128 void
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129 complain(const struct place *p, const char *fmt, ...)
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130 {
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131 va_list ap;
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132
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12
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133 place_printfrom(p);
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134 fprintf(stderr, "%s:%u:%u: ", place_getname(p), p->line, p->column);
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135 va_start(ap, fmt);
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136 vfprintf(stderr, fmt, ap);
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137 va_end(ap);
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138 fprintf(stderr, "\n");
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139 }
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140
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141 void
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142 complain_fail(void)
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143 {
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144 overall_failure = true;
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145 }
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146
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147 bool
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148 complain_failed(void)
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149 {
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150 return overall_failure;
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151 }
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152
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10
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153 ////////////////////////////////////////////////////////////
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154 // module init and cleanup
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155
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156 void
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157 place_init(void)
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158 {
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13
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159 placefilearray_init(&placefiles);
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10
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160 }
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161
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162 void
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163 place_cleanup(void)
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164 {
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13
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165 placefilearray_destroyall(&placefiles);
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166 placefilearray_cleanup(&placefiles);
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10
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167 }
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