gcc/testsuite/gcc.dg/spellcheck-identifiers.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wimplicit-function-declaration -fdiagnostics-show-caret" } */
   3
   4 typedef struct GtkWidget { int dummy; } GtkWidget;
   5
   6 extern void gtk_widget_show_all (GtkWidget *w);
   7
   8 void
   9 test_1 (GtkWidget *w)
  10 {
  11   gtk_widget_showall (w); /* { dg-warning "3: implicit declaration of function .gtk_widget_showall.; did you mean .gtk_widget_show_all.?" } */
  12   /* { dg-begin-multiline-output "" }
  13    gtk_widget_showall (w);
  14    ^~~~~~~~~~~~~~~~~~
  15    gtk_widget_show_all
  16    { dg-end-multiline-output "" } */
  17
  18   /* Ensure we don't try to suggest "gtk_widget_showall" for subsequent
  19      corrections.  */
  20   gtk_widget_showall_ (w); /* { dg-warning "3: implicit declaration of function .gtk_widget_showall_.; did you mean .gtk_widget_show_all.?" } */
  21   /* { dg-begin-multiline-output "" }
  22    gtk_widget_showall_ (w);
  23    ^~~~~~~~~~~~~~~~~~~
  24    gtk_widget_show_all
  25    { dg-end-multiline-output "" } */
  26
  27   GtkWidgetShowAll (w); /* { dg-warning "3: implicit declaration of function .GtkWidgetShowAll.; did you mean .gtk_widget_show_all.?" } */
  28   /* { dg-begin-multiline-output "" }
  29    GtkWidgetShowAll (w);
  30    ^~~~~~~~~~~~~~~~
  31    gtk_widget_show_all
  32    { dg-end-multiline-output "" } */
  33 }
  34
  35 int
  36 test_2 (int param)
  37 {
  38   return parma * parma; /* { dg-error "10: .parma. undeclared .first use in this function.; did you mean .param." } */
  39   /* { dg-begin-multiline-output "" }
  40    return parma * parma;
  41           ^~~~~
  42           param
  43    { dg-end-multiline-output "" } */
  44 }
  45
  46 #define MACRO(X) ((X))
  47
  48 int
  49 test_3 (int i)
  50 {
  51   return MACRAME (i); /* { dg-warning "10: implicit declaration of function .MACRAME.; did you mean .MACRO.?" } */
  52   /* { dg-begin-multiline-output "" }
  53    return MACRAME (i);
  54           ^~~~~~~
  55           MACRO
  56    { dg-end-multiline-output "" } */
  57 }
  58
  59 #define IDENTIFIER_POINTER(X) ((X))
  60
  61 int
  62 test_4 (int node)
  63 {
  64   return IDENTIFIER_PTR (node); /* { dg-warning "10: implicit declaration of function .IDENTIFIER_PTR.; did you mean .IDENTIFIER_POINTER.?" } */
  65   /* { dg-begin-multiline-output "" }
  66    return IDENTIFIER_PTR (node);
  67           ^~~~~~~~~~~~~~
  68           IDENTIFIER_POINTER
  69    { dg-end-multiline-output "" } */
  70 }
  71
  72
  73 int
  74 test_5 (void)
  75 {
  76   return __LINE_; /* { dg-error "10: .__LINE_. undeclared .first use in this function.; did you mean .__LINE__." } */
  77   /* { dg-begin-multiline-output "" }
  78    return __LINE_;
  79           ^~~~~~~
  80           __LINE__
  81    { dg-end-multiline-output "" } */
  82 }
  83
  84 #define MAX_ITEMS 100
  85 int array[MAX_ITEM]; /* { dg-error "11: .MAX_ITEM. undeclared here .not in a function.; did you mean .MAX_ITEMS." } */
  86   /* { dg-begin-multiline-output "" }
  87  int array[MAX_ITEM];
  88            ^~~~~~~~
  89            MAX_ITEMS
  90    { dg-end-multiline-output "" } */
  91
  92
  93 enum foo {
  94   FOO_FIRST,
  95   FOO_SECOND
  96 };
  97
  98 int
  99 test_6 (enum foo f)
 100 {
 101   switch (f)
 102     {
 103     case FOO_FURST: /* { dg-error "10: .FOO_FURST. undeclared .first use in this function.; did you mean .FOO_FIRST." } */
 104       break;
 105   /* { dg-begin-multiline-output "" }
 106      case FOO_FURST:
 107           ^~~~~~~~~
 108           FOO_FIRST
 109    { dg-end-multiline-output "" } */
 110
 111     case FOO_SECCOND: /* { dg-error "10: .FOO_SECCOND. undeclared .first use in this function.; did you mean .FOO_SECOND." } */
 112       break;
 113   /* { dg-begin-multiline-output "" }
 114      case FOO_SECCOND:
 115           ^~~~~~~~~~~
 116           FOO_SECOND
 117    { dg-end-multiline-output "" } */
 118
 119     default:
 120       break;
 121     }
 122 }
 123
 124 int snprintf (char *, __SIZE_TYPE__, const char *, ...);
 125
 126 void
 127 test_7 (int i, int j)
 128 {
 129   int buffer[100];
 130   snprint (buffer, 100, "%i of %i", i, j); /* { dg-warning "3: implicit declaration of function .snprint.; did you mean .snprintf.." } */
 131   /* { dg-begin-multiline-output "" }
 132    snprint (buffer, 100, "%i of %i", i, j);
 133    ^~~~~~~
 134    snprintf
 135    { dg-end-multiline-output "" } */
 136 }