diff options
Diffstat (limited to 'gcc/c/c-errors.c')
| -rw-r--r-- | gcc/c/c-errors.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/c/c-errors.c b/gcc/c/c-errors.c index 2d50710..4ff2080 100644 --- a/gcc/c/c-errors.c +++ b/gcc/c/c-errors.c @@ -25,6 +25,45 @@ along with GCC; see the file COPYING3. If not see #include "c-tree.h" #include "opts.h" +/* Issue an ISO C11 pedantic warning MSGID if -pedantic outside C2X mode, + otherwise issue warning MSGID if -Wc11-c2X-compat is specified. + This function is supposed to be used for matters that are allowed in + ISO C2X but not supported in ISO C11, thus we explicitly don't pedwarn + when C2X is specified. */ + +bool +pedwarn_c11 (location_t location, int opt, const char *gmsgid, ...) +{ + diagnostic_info diagnostic; + va_list ap; + bool warned = false; + rich_location richloc (line_table, location); + + va_start (ap, gmsgid); + /* If desired, issue the C11/C2X compat warning, which is more specific + than -pedantic. */ + if (warn_c11_c2x_compat > 0) + { + diagnostic_set_info (&diagnostic, gmsgid, &ap, &richloc, + (pedantic && !flag_isoc2x) + ? DK_PEDWARN : DK_WARNING); + diagnostic.option_index = OPT_Wc11_c2x_compat; + warned = diagnostic_report_diagnostic (global_dc, &diagnostic); + } + /* -Wno-c11-c2x-compat suppresses even the pedwarns. */ + else if (warn_c11_c2x_compat == 0) + ; + /* For -pedantic outside C2X, issue a pedwarn. */ + else if (pedantic && !flag_isoc2x) + { + diagnostic_set_info (&diagnostic, gmsgid, &ap, &richloc, DK_PEDWARN); + diagnostic.option_index = opt; + warned = diagnostic_report_diagnostic (global_dc, &diagnostic); + } + va_end (ap); + return warned; +} + /* Issue an ISO C99 pedantic warning MSGID if -pedantic outside C11 mode, otherwise issue warning MSGID if -Wc99-c11-compat is specified. This function is supposed to be used for matters that are allowed in |