gcc/testsuite/gcc.dg/plugin/diagnostic-test-string-literals-3.c

   1 /* Similar to diagnostic-test-string-literals-1.c, but with
   2    -ftrack-macro-expansion=0.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-options "-O -ftrack-macro-expansion=0" } */
   6
   7 extern void __emit_string_literal_range (const void *literal, int caret_idx,
   8                                          int start_idx, int end_idx);
   9
  10 void
  11 test_simple_string_literal (void)
  12 {
  13   __emit_string_literal_range ("0123456789", /* { dg-error "unable to read substring location: track_macro_expansion != 2" } */
  14                                6, 6, 7);
  15 }
  16
  17 void
  18 test_concatenated_string_literal (void)
  19 {
  20   __emit_string_literal_range ("01234" "56789", /* { dg-error "unable to read substring location: track_macro_expansion != 2" } */
  21                                4, 3, 6);
  22 }
  23
  24 /* To reproduce PR preprocessor/78324, the macro name should start
  25    with the letter 'R'.  */
  26
  27 void
  28 test_macro (void)
  29 {
  30 #define RANGE "01234"
  31   __emit_string_literal_range (RANGE /* { dg-error "unable to read substring location: track_macro_expansion != 2" } */
  32                                "56789",
  33                                4, 3, 6);
  34 #undef RANGE
  35 }
  36
  37 void
  38 test_multitoken_macro (void)
  39 {
  40 #define RANGE ("0123456789")
  41   __emit_string_literal_range (RANGE, 4, 3, 6); /* { dg-error "unable to read substring location: track_macro_expansion != 2" } */
  42 #undef RANGE
  43 }