gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-locus-bw.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdiagnostics-show-caret" } */
   3
   4 /* This is a collection of unittests for diagnostic_show_locus;
   5    see the overview in diagnostic_plugin_test_show_locus.c.
   6
   7    In particular, note the discussion of why we need a very long line here:
   8 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
   9    and that we can't use macros in this file.  */
  10
  11 void test_simple (void)
  12 {
  13 #if 0
  14   myvar = myvar.x; /* { dg-warning "test" } */
  15
  16 /* { dg-begin-multiline-output "" }
  17    myvar = myvar.x;
  18            ~~~~~^~
  19    { dg-end-multiline-output "" } */
  20 #endif
  21 }
  22
  23 void test_simple_2 (void)
  24 {
  25 #if 0
  26   x = first_function () + second_function ();  /* { dg-warning "test" } */
  27
  28 /* { dg-begin-multiline-output "" }
  29    x = first_function () + second_function ();
  30        ~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~
  31    { dg-end-multiline-output "" } */
  32 #endif
  33 }
  34
  35
  36 void test_multiline (void)
  37 {
  38 #if 0
  39   x = (first_function ()
  40        + second_function ()); /* { dg-warning "test" } */
  41
  42 /* { dg-begin-multiline-output "" }
  43    x = (first_function ()
  44         ~~~~~~~~~~~~~~~~~
  45         + second_function ());
  46         ^ ~~~~~~~~~~~~~~~~~~
  47         |
  48         label
  49    { dg-end-multiline-output "" } */
  50 #endif
  51 }
  52
  53 void test_many_lines (void)
  54 {
  55 #if 0
  56   x = (first_function_with_a_very_long_name (lorem, ipsum, dolor, sit, amet,
  57                                             consectetur, adipiscing, elit,
  58                                             sed, eiusmod, tempor,
  59                                             incididunt, ut, labore, et,
  60                                             dolore, magna, aliqua)
  61        + second_function_with_a_very_long_name (lorem, ipsum, dolor, sit, /* { dg-warning "test" } */
  62                                                 amet, consectetur,
  63                                                 adipiscing, elit, sed,
  64                                                 eiusmod, tempor, incididunt,
  65                                                 ut, labore, et, dolore,
  66                                                 magna, aliqua));
  67
  68 /* { dg-begin-multiline-output "" }
  69    x = (first_function_with_a_very_long_name (lorem, ipsum, dolor, sit, amet,
  70         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  71         |
  72         label 1
  73                                              consectetur, adipiscing, elit,
  74                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  75                                              sed, eiusmod, tempor,
  76                                              ~~~~~~~~~~~~~~~~~~~~~
  77                                              incididunt, ut, labore, et,
  78                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~
  79                                              dolore, magna, aliqua)
  80                                              ~~~~~~~~~~~~~~~~~~~~~~
  81         + second_function_with_a_very_long_name (lorem, ipsum, dolor, sit,
  82         ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  83         | |
  84         | label 2
  85         label 0
  86                                                  amet, consectetur,
  87                                                  ~~~~~~~~~~~~~~~~~~
  88                                                  adipiscing, elit, sed,
  89                                                  ~~~~~~~~~~~~~~~~~~~~~~
  90                                                  eiusmod, tempor, incididunt,
  91                                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  92                                                  ut, labore, et, dolore,
  93                                                  ~~~~~~~~~~~~~~~~~~~~~~~
  94                                                  magna, aliqua));
  95                                                  ~~~~~~~~~~~~~~
  96    { dg-end-multiline-output "" } */
  97 #endif
  98 }
  99
 100 void test_richloc_from_proper_range (void)
 101 {
 102 #if 0
 103   float f = 98.6f; /* { dg-warning "test" } */
 104 /* { dg-begin-multiline-output "" }
 105    float f = 98.6f;
 106              ^~~~~
 107    { dg-end-multiline-output "" } */
 108 #endif
 109 }
 110
 111 void test_caret_within_proper_range (void)
 112 {
 113 #if 0
 114   float f = foo * bar; /* { dg-warning "17: test" } */
 115 /* { dg-begin-multiline-output "" }
 116    float f = foo * bar;
 117              ~~~~^~~~~
 118    { dg-end-multiline-output "" } */
 119 #endif
 120 }
 121
 122 void test_very_wide_line (void)
 123 {
 124 #if 0
 125                              float x                                                    = foo * bar; /* { dg-warning "95: test" } */
 126 /* { dg-begin-multiline-output "" }
 127      0         0         0         0         0         0         1
 128      4         5         6         7         8         9         0
 129  6789012345678901234567890123456789012345678901234567890123456789012345
 130  x                                                    = foo * bar;
 131  ~                                                      ~~~~^~~~~
 132  |                                                          |
 133  label 1                                                    label 0
 134                                                         bar * foo
 135    { dg-end-multiline-output "" } */
 136 #endif
 137 }
 138
 139 void test_very_wide_line_2 (void)
 140 {
 141 #if 0
 142                             float x                                                     = foo * bar; /* { dg-warning "95: test" } */
 143 /* { dg-begin-multiline-output "" }
 144      0         0         0         0         0         0         1
 145      4         5         6         7         8         9         0
 146  6789012345678901234567890123456789012345678901234567890123456789012345
 147                                                       = foo * bar;
 148                                                         ~~~~^~~~~
 149                                                             |
 150                                                             label 0
 151                                                         bar * foo
 152    { dg-end-multiline-output "" } */
 153 #endif
 154 }
 155
 156 void test_multiple_carets (void)
 157 {
 158 #if 0
 159    x = x + y /* { dg-warning "8: test" } */
 160 /* { dg-begin-multiline-output "" }
 161     x = x + y
 162         A   B
 163    { dg-end-multiline-output "" } */
 164 #endif
 165 }
 166
 167 void test_caret_on_leading_whitespace (void)
 168 {
 169 #if 0
 170     ASSOCIATE (y => x)
 171       y = 5 /* { dg-warning "6: test" } */
 172 /* { dg-begin-multiline-output "" }
 173      ASSOCIATE (y => x)
 174                     2
 175        y = 5
 176       1
 177    { dg-end-multiline-output "" } */
 178 #endif
 179 }
 180
 181 /* Unit test for rendering of insertion fixit hints
 182    (example taken from PR 62316).  */
 183
 184 void test_fixit_insert (void)
 185 {
 186 #if 0
 187    int a[2][2] = { 0, 1 , 2, 3 }; /* { dg-warning "insertion hints" } */
 188 /* { dg-begin-multiline-output "" }
 189     int a[2][2] = { 0, 1 , 2, 3 };
 190                     ^~~~
 191                     {   }
 192    { dg-end-multiline-output "" } */
 193 #endif
 194 }
 195
 196 /* Unit test for rendering of "remove" fixit hints.  */
 197
 198 void test_fixit_remove (void)
 199 {
 200 #if 0
 201   int a;; /* { dg-warning "example of a removal hint" } */
 202 /* { dg-begin-multiline-output "" }
 203    int a;;
 204          ^
 205          -
 206    { dg-end-multiline-output "" } */
 207 #endif
 208 }
 209
 210 /* Unit test for rendering of "replace" fixit hints.  */
 211
 212 void test_fixit_replace (void)
 213 {
 214 #if 0
 215   gtk_widget_showall (dlg); /* { dg-warning "example of a replacement hint" } */
 216 /* { dg-begin-multiline-output "" }
 217    gtk_widget_showall (dlg);
 218    ^~~~~~~~~~~~~~~~~~
 219    gtk_widget_show_all
 220    { dg-end-multiline-output "" } */
 221 #endif
 222 }
 223
 224 /* Test of "%q+D" format code.  */
 225
 226 int test_percent_q_plus_d (void)
 227 {
 228   int local = 0; /* { dg-warning "example of plus in format code" } */
 229 /* { dg-begin-multiline-output "" }
 230    int local = 0;
 231        ^~~~~
 232    { dg-end-multiline-output "" } */
 233   return local;
 234 }
 235
 236 /* Test of many nested locations and fixits.  */
 237
 238 void test_many_nested_locations (void)
 239 {
 240   /* { dg-warning "test of 70 locations" }
 241     Lorem ipsum dolor sit amet, consectetur adipiscing elit,
 242     sed do eiusmod tempor incididunt ut labore et dolore magna
 243     aliqua. Ut enim ad minim veniam, quis nostrud exercitation
 244     ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
 245     aute irure dolor in reprehenderit in voluptate velit esse cillum
 246     dolore eu fugiat nulla pariatur. Excepteur sint occaecat
 247     cupidatat non proident, sunt in culpa qui officia deserunt
 248     mollit anim id est laborum.
 249   */
 250 /* { dg-begin-multiline-output "" }
 251    /*
 252    ^
 253      Lorem ipsum dolor sit amet, consectetur adipiscing elit,
 254      ^~~~~ ^~~~~ ^~~~~ ^~~ ^~~~  ^~~~~~~~~~~ ^~~~~~~~~~ ^~~~
 255      |     |     |     |   |     |           |          |
 256      |     |     |     |   label label       label      label
 257      label label label label
 258      LOREM IPSUM DOLOR SIT AMET  CONSECTETUR ADIPISCING ELIT
 259      sed do eiusmod tempor incididunt ut labore et dolore magna
 260      ^~~ ^~ ^~~~~~~ ^~~~~~ ^~~~~~~~~~ ^~ ^~~~~~ ^~ ^~~~~~ ^~~~~
 261      |   |  |       |      |          |  |      |  |      |
 262      |   |  |       |      |          |  |      |  label  label
 263      |   |  |       |      |          |  label  label
 264      |   |  label   label  label      label
 265      |   label
 266      label
 267      SED DO EIUSMOD TEMPOR INCIDIDUNT UT LABORE ET DOLORE MAGNA
 268      aliqua. Ut enim ad minim veniam, quis nostrud exercitation
 269      ^~~~~~  ^~ ^~~~ ^~ ^~~~~ ^~~~~~  ^~~~ ^~~~~~~ ^~~~~~~~~~~~
 270      |       |  |    |  |     |       |    |       |
 271      |       |  |    |  |     |       |    label   label
 272      |       |  |    |  label label   label
 273      |       |  |    label
 274      |       |  label
 275      label   label
 276      ALIQUA  UT ENIM AD MINIM VENIAM  QUIS NOSTRUD EXERCITATION
 277      ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
 278      ^~~~~~~ ^~~~~~~ ^~~~ ^~ ^~~~~~~ ^~ ^~ ^~~~~~~ ^~~~~~~~~  ^~~~
 279      |       |       |    |  |       |  |  |       |          |
 280      |       |       |    |  |       |  |  label   label      label
 281      |       |       |    |  |       |  label
 282      |       |       |    |  label   label
 283      |       |       |    label
 284      label   label   label
 285      ULLAMCO LABORIS NISI UT ALIQUIP EX EA COMMODO CONSEQUAT  DUIS
 286      aute irure dolor in reprehenderit in voluptate velit esse cillum
 287      ^~~~ ^~~~~ ^~~~~ ^~ ^~~~~~~~~~~~~ ^~ ^~~~~~~~~ ^~~~~ ^~~~ ^~~~~~
 288      |    |     |     |  |             |  |         |     |    |
 289      |    |     |     |  |             |  |         |     |    label
 290      |    |     |     |  |             |  label     label label
 291      |    |     |     |  label         label
 292      |    label label label
 293      label
 294      AUTE IRURE DOLOR IN REPREHENDERIT IN VOLUPTATE VELIT ESSE CILLUM
 295      dolore eu fugiat nulla pariatur. Excepteur sint occaecat
 296      ^~~~~~ ^~ ^~~~~~ ^~~~~ ^~~~~~~~  ^~~~~~~~~ ^~~~ ^~~~~~~~
 297      |      |  |      |     |         |         |    |
 298      |      |  |      |     |         |         |    label
 299      |      |  label  label label     label     label
 300      label  label
 301      DOLORE EU FUGIAT NULLA PARIATUR  EXCEPTEUR SINT OCCAECAT
 302      cupidatat non proident, sunt in culpa qui officia deserunt
 303      ^~~~~~~~~ ^~~ ^~~~~~~~  ^~~~ ^~ ^~~~~ ^~~ ^~~~~~~ ^~~~~~~~
 304      |         |   |         |    |  |     |   |       |
 305      |         |   |         |    |  |     |   label   label
 306      |         |   |         |    |  label label
 307      |         |   |         |    label
 308      |         |   label     label
 309      label     label
 310      CUPIDATAT NON PROIDENT  SUNT IN CULPA QUI OFFICIA DESERUNT
 311      mollit anim id est laborum.
 312      ^~~~~~ ^~~~ ^~ ^~~ ^~~~~~~
 313      |      |    |  |   |
 314      |      |    |  |   label
 315      |      |    |  label
 316      |      |    label
 317      label  label
 318      MOLLIT ANIM ID EST LABORUM
 319    { dg-end-multiline-output "" } */
 320 }
 321
 322 /* Unit test for rendering of fix-it hints that add new lines.  */
 323
 324 void test_fixit_insert_newline (void)
 325 {
 326 #if 0
 327   switch (op)
 328     {
 329     case 'a':
 330       x = a;
 331     case 'b':  /* { dg-warning "newline insertion" } */
 332       x = b;
 333     }
 334 /* { dg-begin-multiline-output "" }
 335        x = a;
 336 +      break;
 337      case 'b':
 338      ^~~~~~~~
 339    { dg-end-multiline-output "" } */
 340 #endif
 341 }
 342
 343 /* Unit test for mutually-exclusive suggestions.  */
 344
 345 void test_mutually_exclusive_suggestions (void)
 346 {
 347 #if 0
 348   original; /* { dg-warning "warning 1" } */
 349 /* { dg-warning "warning 2" "" { target *-*-* } .-1 } */
 350 /* { dg-begin-multiline-output "" }
 351    original;
 352    ^~~~~~~~
 353    replacement_1
 354    { dg-end-multiline-output "" } */
 355 /* { dg-begin-multiline-output "" }
 356    original;
 357    ^~~~~~~~
 358    replacement_2
 359    { dg-end-multiline-output "" } */
 360 #endif
 361 }