diff options
Diffstat (limited to 'gcc/cp/lex.cc')
| -rw-r--r-- | gcc/cp/lex.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gcc/cp/lex.cc b/gcc/cp/lex.cc index 08a6348..b7d2ac6 100644 --- a/gcc/cp/lex.cc +++ b/gcc/cp/lex.cc @@ -368,6 +368,66 @@ cxx_init (void) cxx_init_decl_processing (); + if (warn_keyword_macro) + { + for (unsigned int i = 0; i < num_c_common_reswords; ++i) + /* For C++ none of the keywords in [lex.key] starts with underscore, + don't register anything like that. Don't complain about + ObjC or Transactional Memory keywords. */ + if (c_common_reswords[i].word[0] == '_') + continue; + else if (c_common_reswords[i].disable & (D_TRANSMEM | D_OBJC)) + continue; + else + { + tree id = get_identifier (c_common_reswords[i].word); + if (IDENTIFIER_KEYWORD_P (id) + /* Don't register keywords with spaces. */ + && IDENTIFIER_POINTER (id)[IDENTIFIER_LENGTH (id) - 1] != ' ') + cpp_lookup (parse_in, + (const unsigned char *) IDENTIFIER_POINTER (id), + IDENTIFIER_LENGTH (id))->flags |= NODE_WARN; + } + auto warn_on = [] (const char *name) { + cpp_lookup (parse_in, (const unsigned char *) name, + strlen (name))->flags |= NODE_WARN; + }; + if (cxx_dialect >= cxx11) + { + warn_on ("final"); + warn_on ("override"); + warn_on ("noreturn"); + if (cxx_dialect < cxx26) + warn_on ("carries_dependency"); + } + if (cxx_dialect >= cxx14) + warn_on ("deprecated"); + if (cxx_dialect >= cxx17) + { + warn_on ("fallthrough"); + warn_on ("maybe_unused"); + warn_on ("nodiscard"); + } + if (cxx_dialect >= cxx20) + { + warn_on ("likely"); + warn_on ("unlikely"); + warn_on ("no_unique_address"); + } + if (flag_modules) + { + warn_on ("import"); + warn_on ("module"); + } + if (cxx_dialect >= cxx23) + warn_on ("assume"); + if (cxx_dialect >= cxx26) + { + warn_on ("replaceable_if_eligible"); + warn_on ("trivially_relocatable_if_eligible"); + } + } + if (c_common_init () == false) { input_location = saved_loc; |