1  /* Example of a fix-it hint that adds a #include directive,
       2     adding them to the top of the file, given that there is no
       3     pre-existing #include.  */
       4  
       5  /* This is padding (to avoid the generated patch containing DejaGnu
       6     directives).  */
       7  
       8  /* { dg-options "-fdiagnostics-generate-patch" } */
       9  
      10  void test (int i, int j)
      11  {
      12    printf ("%i of %i\n", i, j); /* { dg-warning "implicit declaration" } */
      13    /* { dg-message "include '<stdio.h>' or provide a declaration of 'printf'" "" { target *-*-* } .-1 } */
      14  }
      15  
      16  /* Verify the output from -fdiagnostics-generate-patch.
      17     We expect the patch to begin with a header, containing this
      18     source filename, via an absolute path.
      19     Given the path, we can only capture it via regexps.  */
      20  /* { dg-regexp "\\-\\-\\- .*" } */
      21  /* { dg-regexp "\\+\\+\\+ .*" } */
      22  /* Use #if 0/#endif rather than comments, to allow the text to contain
      23     a comment.  */
      24  #if 0
      25  { dg-begin-multiline-output "" }
      26  @@ -1,3 +1,4 @@
      27  +#include <stdio.h>
      28   /* Example of a fix-it hint that adds a #include directive,
      29      adding them to the top of the file, given that there is no
      30      pre-existing #include.  */
      31  { dg-end-multiline-output "" }
      32  #endif
      33  
      34  /* FIXME: should we attempt to skip leading comments when determining the
      35     insertion location?
      36     Similarly, should we attempt to be within single-inclusion guards, etc?  */