gcc/testsuite/gcc.dg/plugin/diagnostic-test-string-literals-2.c

   1 /* { dg-do compile } */
   2
   3 /* See the notes in diagnostic-test-string-literals-1.c.
   4    This test case has caret-printing disabled.  */
   5
   6 extern void __emit_string_literal_range (const void *literal, int caret_idx,
   7                                          int start_idx, int end_idx);
   8 /* Test of a stringified macro argument, by itself.  */
   9
  10 void
  11 test_stringified_token_1 (int x)
  12 {
  13 #define STRINGIFY(EXPR) #EXPR
  14
  15   __emit_string_literal_range (STRINGIFY(x > 0), /* { dg-error "unable to read substring location: macro expansion" } */
  16                                0, 0, 4);
  17
  18 #undef STRINGIFY
  19 }
  20
  21 /* Test of a stringified token within a concatenation.  */
  22
  23 void
  24 test_stringized_token_2 (int x)
  25 {
  26 #define EXAMPLE(EXPR, CARET_IDX, START_IDX, END_IDX)            \
  27   do {                                                          \
  28     __emit_string_literal_range ("  before " #EXPR " after \n", \
  29                                  CARET_IDX, START_IDX, END_IDX);        \
  30   } while (0)
  31
  32   EXAMPLE(x > 0, 1, 1, 6);
  33   /* { dg-error "unable to read substring location: cpp_interpret_string_1 failed" "" { target *-*-* } .-5 } */
  34
  35 #undef EXAMPLE
  36 }
  37
  38 /* Test of a doubly-stringified macro argument (by itself).  */
  39
  40 void
  41 test_stringified_token_3 (int x)
  42 {
  43 #define XSTR(s) STR(s)
  44 #define STR(s) #s
  45 #define FOO 123456789
  46   __emit_string_literal_range (XSTR (FOO), /* { dg-error "unable to read substring location: macro expansion" } */
  47                                2, 2, 3);
  48
  49 #undef XSTR
  50 #undef STR
  51 #undef FOO
  52 }
  53
  54 /* Test of a stringified macro argument within a concatenation.  */
  55
  56 void
  57 test_pr79210 (void)
  58 {
  59 #define lpfc_vport_param_init(attr)    \
  60        __emit_string_literal_range ( \
  61                   "0423 lpfc_"#attr" attribute cannot be set to %d, "\
  62                   "allowed range is [0, 1]\n", 54, 53, 54) \
  63
  64 #define LPFC_VPORT_ATTR_R(name, decc)           \
  65   unsigned int lpfc_##name;                     \
  66   lpfc_vport_param_init(name) \
  67
  68   LPFC_VPORT_ATTR_R(peer_port_login,
  69   "some multiline blurb with a short final line "
  70   "here");
  71
  72   /* { dg-error "19: unable to read substring location: line is not wide enough" "" { target *-*-* } .-11 } */
  73
  74 #undef LPFC_VPORT_ATTR_R
  75 #undef lpfc_vport_param_init
  76 }