clang/test/Lexer/block_cmt_end.c

   1 /*
   2   RUN: %clang_cc1 -E -ftrigraphs %s | grep bar
   3   RUN: %clang_cc1 -E -ftrigraphs %s | grep foo
   4   RUN: %clang_cc1 -E -ftrigraphs %s | not grep qux
   5   RUN: %clang_cc1 -E -ftrigraphs %s | not grep xyz
   6   RUN: %clang_cc1 -fsyntax-only -ftrigraphs -verify %s
   7 */
   8
   9 // This is a simple comment, /*/ does not end a comment, the trailing */ does.
  10 int i = /*/ */ 1;
  11
  12 /* qux
  13
  14 next comment ends with normal escaped newline:
  15 */
  16
  17 /* expected-warning {{escaped newline}} expected-warning {{backslash and newline}}  *\
  18 /
  19
  20 int bar /* expected-error {{expected ';' after top level declarator}} */
  21
  22 /* xyz
  23
  24 next comment ends with a trigraph escaped newline: */
  25
  26 /* expected-warning {{escaped newline between}}   expected-warning {{backslash and newline separated by space}}    expected-warning {{trigraph ends block comment}}   *??/
  27 /
  28
  29 foo
  30
  31
  32 // We should not get warnings about trigraphs in comments:
  33 // '????'
  34 /* ???? */
  35
  36 // PR50456: multiple escaped newlines in one */.
  37 /*
  38  *\
  39 ??/
  40 ??/
  41 \
  42 /
  43 // expected-warning@-5 {{escaped newline}}
  44 // expected-warning@-4 {{separated by space}}
  45 // expected-warning@-6 {{trigraph ends block comment}}