diff options
Diffstat (limited to 'gcc/cpplex.c')
| -rw-r--r-- | gcc/cpplex.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/gcc/cpplex.c b/gcc/cpplex.c index 0c31560..47dcdbc 100644 --- a/gcc/cpplex.c +++ b/gcc/cpplex.c @@ -1209,10 +1209,24 @@ lex_token (pfile, result) irrespective of conformance mode, because lots of broken systems do that and trying to clean it up in fixincludes is a nightmare. */ - if (!CPP_IN_SYSTEM_HEADER (pfile) - && CPP_OPTION (pfile, c89) && CPP_PEDANTIC (pfile) - && !buffer->warned_cplusplus_comments) + if (CPP_OPTION (pfile, cplusplus_comments) + || CPP_IN_SYSTEM_HEADER (pfile)) { + if (CPP_OPTION (pfile, c89) && CPP_PEDANTIC (pfile) + && ! buffer->warned_cplusplus_comments) + { + cpp_pedwarn (pfile, + "C++ style comments are not allowed in ISO C89"); + cpp_pedwarn (pfile, + "(this will be reported only once per input file)"); + buffer->warned_cplusplus_comments = 1; + } + comment_start = buffer->cur; + + /* Skip_line_comment updates buffer->read_ahead. */ + if (skip_line_comment (pfile)) + cpp_warning_with_line (pfile, result->line, result->col, + "multi-line comment"); cpp_pedwarn (pfile, "C++ style comments are not allowed in ISO C89"); cpp_pedwarn (pfile, |