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