gcc/testsuite/gcc.dg/pr69554-1.c

   1 /* { dg-options "-fdiagnostics-show-caret" } */
   2
   3 /* Various versions of the same C error, with a variety of line spacing,
   4    and of columns, to exercise the line-span handling in
   5    diagnostic-show-locus.c (PR other/69554).  */
   6
   7 /* All on one line.  */
   8
   9 int test_1 (const char *p, const char *q)
  10 {
  11   return (p + 1) + (q + 1); /* { dg-error "invalid operands" } */
  12 /* { dg-begin-multiline-output "" }
  13    return (p + 1) + (q + 1);
  14           ~~~~~~~ ^ ~~~~~~~
  15    { dg-end-multiline-output "" } */
  16 }
  17
  18 /* On separate lines, but without intervening lines.
  19    This can be printed as a single span of lines.  */
  20
  21 int test_2 (const char *p, const char *q)
  22 {
  23   return (p + 1)
  24            +  /* { dg-error "invalid operands" } */
  25             (q + 1);
  26 /* { dg-begin-multiline-output "" }
  27    return (p + 1)
  28           ~~~~~~~
  29             +
  30             ^
  31              (q + 1);
  32              ~~~~~~~
  33    { dg-end-multiline-output "" } */
  34 }
  35
  36 /* On separate lines, with an intervening line between lines 1 and 2.
  37    This is printed as 2 "spans" of lines, broken up by the intervening
  38    line.  */
  39
  40 int test_3 (const char *p, const char *q)
  41 {
  42   return (p + 1) /* { dg-locus "10" } */
  43
  44            +  /* { dg-error "invalid operands" } */
  45              (q + 1);
  46 /* { dg-locus "12" "" { target *-*-* } "44" } */
  47 /* { dg-begin-multiline-output "" }
  48    return (p + 1)
  49           ~~~~~~~
  50    { dg-end-multiline-output "" } */
  51 /* { dg-begin-multiline-output "" }
  52             +
  53             ^
  54               (q + 1);
  55               ~~~~~~~
  56    { dg-end-multiline-output "" } */
  57 }
  58
  59 /* As above, but the intervening line is between lines 2 and 3,
  60    so that the 2 spans are grouped the other way.  */
  61
  62 int test_4 (const char *p, const char *q)
  63 {
  64   return (p + 1)
  65            +  /* { dg-error "invalid operands" } */
  66
  67              (q + 1); /* { dg-locus "14" } */
  68 /* { dg-begin-multiline-output "" }
  69    return (p + 1)
  70           ~~~~~~~
  71             +
  72             ^
  73    { dg-end-multiline-output "" } */
  74 /* { dg-begin-multiline-output "" }
  75               (q + 1);
  76               ~~~~~~~
  77    { dg-end-multiline-output "" } */
  78 }
  79
  80 /* On separate lines, with intervening lines.
  81    This is printed as 3 "spans" of lines, each span being an
  82    individual line.  */
  83
  84 int test_5 (const char *p, const char *q)
  85 {
  86   return (p + 1) /* { dg-locus "10" } */
  87
  88            +  /* { dg-error "invalid operands" } */
  89
  90              (q + 1); /* { dg-locus "14" } */
  91 /* { dg-locus "12" "" { target *-*-* } "88" } */
  92 /* { dg-begin-multiline-output "" }
  93    return (p + 1)
  94           ~~~~~~~
  95    { dg-end-multiline-output "" } */
  96 /* { dg-begin-multiline-output "" }
  97             +
  98             ^
  99    { dg-end-multiline-output "" } */
 100 /* { dg-begin-multiline-output "" }
 101               (q + 1);
 102               ~~~~~~~
 103    { dg-end-multiline-output "" } */
 104 }
 105
 106 /* On separate lines, with numerous intervening lines.
 107    This is printed as 3 "spans" of lines, each span being an
 108    individual line.  */
 109
 110 int test_6 (const char *p, const char *q)
 111 {
 112   return (p + 1) /* { dg-locus "10" } */
 113           /* Lorem ipsum dolor sit amet, consectetur adipiscing elit.
 114              Maecenas nisl sapien, rutrum non euismod et, rutrum ac felis.
 115              Morbi nec nisi ipsum. Quisque pulvinar ante nec urna rhoncus,
 116              a cursus nisi commodo. Praesent euismod neque lectus, at
 117              dapibus ipsum gravida in. Pellentesque tempor massa eu viverra
 118              feugiat. Proin eleifend pulvinar urna, ut dapibus metus vehicula
 119              ac. Suspendisse rutrum finibus quam, ac dignissim diam blandit
 120              maximus. In blandit viverra pulvinar. Praesent vel tellus
 121              elementum, placerat lacus quis, ornare lectus. Donec ac
 122              eleifend nulla, sit amet condimentum risus. Vestibulum aliquam
 123              maximus ante non pellentesque. Praesent mollis ante in risus
 124              feugiat hendrerit. Praesent feugiat maximus urna nec blandit. */
 125            +  /* { dg-error "invalid operands" } */
 126           /* Vestibulum ac nunc eget enim tempor tristique. Suspendisse
 127              potenti. Nam et sollicitudin enim. Morbi sed tincidunt lectus.
 128              Sed facilisis velit at ante maximus feugiat. Sed vestibulum mi
 129              id leo tempor, sed ullamcorper sapien efficitur. Vestibulum purus
 130              lacus, dignissim non magna at, tincidunt luctus nisl. Cum sociis
 131              natoque penatibus et magnis dis parturient montes, nascetur
 132              ridiculus mus. Donec elit elit, laoreet a dolor quis, eleifend
 133              dapibus metus. Proin lectus turpis, eleifend nec pharetra eu,
 134              fermentum in lacus. Morbi sit amet mauris orci. Nam sagittis,
 135              nibh vel fermentum dictum, purus ex hendrerit odio, feugiat
 136              fringilla sapien elit vitae nisl. Fusce mattis commodo risus
 137              nec convallis. */
 138              (q + 1); /* { dg-locus "14" } */
 139 /* { dg-locus "12" "" { target *-*-* } "125" } */
 140 /* { dg-begin-multiline-output "" }
 141    return (p + 1)
 142           ~~~~~~~
 143    { dg-end-multiline-output "" } */
 144 /* { dg-begin-multiline-output "" }
 145             +
 146             ^
 147    { dg-end-multiline-output "" } */
 148 /* { dg-begin-multiline-output "" }
 149               (q + 1);
 150               ~~~~~~~
 151    { dg-end-multiline-output "" } */
 152 }