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      1 //==--- DiagnosticLexKinds.td - liblex diagnostics ------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 //===----------------------------------------------------------------------===//
     11 // Lexer Diagnostics
     12 //===----------------------------------------------------------------------===//
     13 
     14 let Component = "Lex", CategoryName = "Lexical or Preprocessor Issue" in {
     15 
     16 def null_in_string : Warning<"null character(s) preserved in string literal">,
     17   InGroup<NullCharacter>;
     18 def null_in_char : Warning<"null character(s) preserved in character literal">,
     19   InGroup<NullCharacter>;
     20 def null_in_file : Warning<"null character ignored">, InGroup<NullCharacter>;
     21 def warn_nested_block_comment : Warning<"'/*' within block comment">,
     22   InGroup<Comment>;
     23 def escaped_newline_block_comment_end : Warning<
     24   "escaped newline between */ characters at block comment end">,
     25   InGroup<Comment>;
     26 def backslash_newline_space : Warning<
     27   "backslash and newline separated by space">,
     28   InGroup<DiagGroup<"backslash-newline-escape">>;
     29 
     30 // Digraphs.
     31 def warn_cxx98_compat_less_colon_colon : Warning<
     32   "'<::' is treated as digraph '<:' (aka '[') followed by ':' in C++98">,
     33   InGroup<CXX98Compat>, DefaultIgnore;
     34 
     35 // Trigraphs.
     36 def trigraph_ignored : Warning<"trigraph ignored">, InGroup<Trigraphs>;
     37 def trigraph_ignored_block_comment : Warning<
     38   "ignored trigraph would end block comment">, InGroup<Trigraphs>;
     39 def trigraph_ends_block_comment : Warning<"trigraph ends block comment">,
     40     InGroup<Trigraphs>;
     41 def trigraph_converted : Warning<"trigraph converted to '%0' character">,
     42     InGroup<Trigraphs>;
     43 
     44 def ext_multi_line_line_comment : Extension<"multi-line // comment">,
     45     InGroup<Comment>;
     46 def ext_line_comment : Extension<
     47   "// comments are not allowed in this language">,
     48   InGroup<Comment>;
     49 def ext_no_newline_eof : Extension<"no newline at end of file">, 
     50   InGroup<NewlineEOF>;
     51 def warn_no_newline_eof : Warning<"no newline at end of file">,
     52   InGroup<NewlineEOF>, DefaultIgnore;
     53 
     54 def warn_cxx98_compat_no_newline_eof : Warning<
     55   "C++98 requires newline at end of file">,
     56   InGroup<CXX98CompatPedantic>, DefaultIgnore;
     57 
     58 def ext_dollar_in_identifier : Extension<"'$' in identifier">,
     59   InGroup<DiagGroup<"dollar-in-identifier-extension">>;
     60 def ext_charize_microsoft : Extension<"charizing operator #@ is a Microsoft extension">,
     61   InGroup<Microsoft>;
     62 
     63 def ext_token_used : Extension<"extension used">,
     64   InGroup<DiagGroup<"language-extension-token">>;
     65 
     66 def warn_cxx11_keyword : Warning<"'%0' is a keyword in C++11">,
     67   InGroup<CXX11Compat>, DefaultIgnore;
     68 
     69 def ext_unterminated_string : ExtWarn<"missing terminating '\"' character">,
     70   InGroup<InvalidPPToken>;
     71 def ext_unterminated_char : ExtWarn<"missing terminating ' character">,
     72   InGroup<InvalidPPToken>;
     73 def ext_empty_character : ExtWarn<"empty character constant">,
     74   InGroup<InvalidPPToken>;
     75 def err_unterminated_block_comment : Error<"unterminated /* comment">;
     76 def err_invalid_character_to_charify : Error<
     77   "invalid argument to convert to character">;
     78 def err_unterminated___pragma : Error<"missing terminating ')' character">;
     79 
     80 def err_conflict_marker : Error<"version control conflict marker in file">;
     81 
     82 def err_raw_delim_too_long : Error<
     83   "raw string delimiter longer than 16 characters"
     84   "; use PREFIX( )PREFIX to delimit raw string">;
     85 def err_invalid_char_raw_delim : Error<
     86   "invalid character '%0' character in raw string delimiter"
     87   "; use PREFIX( )PREFIX to delimit raw string">;
     88 def err_unterminated_raw_string : Error<
     89   "raw string missing terminating delimiter )%0\"">;
     90 def warn_cxx98_compat_raw_string_literal : Warning<
     91   "raw string literals are incompatible with C++98">,
     92   InGroup<CXX98Compat>, DefaultIgnore;
     93 
     94 def ext_multichar_character_literal : ExtWarn<
     95   "multi-character character constant">, InGroup<MultiChar>;
     96 def ext_four_char_character_literal : Extension<
     97   "multi-character character constant">, InGroup<FourByteMultiChar>;
     98 
     99 
    100 // Unicode and UCNs
    101 def err_invalid_utf8 : Error<
    102   "source file is not valid UTF-8">;
    103 def err_non_ascii : Error<
    104   "non-ASCII characters are not allowed outside of literals and identifiers">;
    105 def ext_unicode_whitespace : ExtWarn<
    106   "treating Unicode character as whitespace">,
    107   InGroup<DiagGroup<"unicode-whitespace">>;
    108 
    109 def err_hex_escape_no_digits : Error<
    110   "\\%0 used with no following hex digits">;
    111 def warn_ucn_escape_no_digits : Warning<
    112   "\\%0 used with no following hex digits; "
    113   "treating as '\\' followed by identifier">, InGroup<Unicode>;
    114 def err_ucn_escape_incomplete : Error<
    115   "incomplete universal character name">;
    116 def warn_ucn_escape_incomplete : Warning<
    117   "incomplete universal character name; "
    118   "treating as '\\' followed by identifier">, InGroup<Unicode>;
    119 def note_ucn_four_not_eight : Note<"did you mean to use '\\u'?">;
    120 
    121 def err_ucn_escape_basic_scs : Error<
    122   "character '%0' cannot be specified by a universal character name">;
    123 def err_ucn_control_character : Error<
    124   "universal character name refers to a control character">;
    125 def err_ucn_escape_invalid : Error<"invalid universal character">;
    126 def warn_ucn_escape_surrogate : Warning<
    127   "universal character name refers to a surrogate character">,
    128   InGroup<Unicode>;
    129 
    130 def warn_c99_compat_unicode_id : Warning<
    131   "%select{using this character in an identifier|starting an identifier with "
    132   "this character}0 is incompatible with C99">,
    133   InGroup<C99Compat>, DefaultIgnore;
    134 def warn_cxx98_compat_unicode_id : Warning<
    135   "using this character in an identifier is incompatible with C++98">,
    136   InGroup<CXX98Compat>, DefaultIgnore;
    137 
    138 def warn_cxx98_compat_literal_ucn_escape_basic_scs : Warning<
    139   "specifying character '%0' with a universal character name "
    140   "is incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
    141 def warn_cxx98_compat_literal_ucn_control_character : Warning<
    142   "universal character name referring to a control character "
    143   "is incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
    144 def warn_ucn_not_valid_in_c89 : Warning<
    145   "universal character names are only valid in C99 or C++; "
    146   "treating as '\\' followed by identifier">, InGroup<Unicode>;
    147 def warn_ucn_not_valid_in_c89_literal : ExtWarn<
    148   "universal character names are only valid in C99 or C++">, InGroup<Unicode>;
    149 
    150 
    151 // Literal
    152 def ext_nonstandard_escape : Extension<
    153   "use of non-standard escape character '\\%0'">;
    154 def ext_unknown_escape : ExtWarn<"unknown escape sequence '\\%0'">,
    155   InGroup<DiagGroup<"unknown-escape-sequence">>;
    156 def err_invalid_decimal_digit : Error<"invalid digit '%0' in decimal constant">;
    157 def err_invalid_binary_digit : Error<"invalid digit '%0' in binary constant">;
    158 def err_invalid_octal_digit : Error<"invalid digit '%0' in octal constant">;
    159 def err_invalid_suffix_integer_constant : Error<
    160   "invalid suffix '%0' on integer constant">;
    161 def err_invalid_suffix_float_constant : Error<
    162   "invalid suffix '%0' on floating constant">;
    163 def warn_cxx11_compat_digit_separator : Warning<
    164   "digit separators are incompatible with C++ standards before C++1y">,
    165   InGroup<CXXPre1yCompat>, DefaultIgnore;
    166 def err_digit_separator_not_between_digits : Error<
    167   "digit separator cannot appear at %select{start|end}0 of digit sequence">;
    168 def warn_extraneous_char_constant : Warning<
    169   "extraneous characters in character constant ignored">;
    170 def warn_char_constant_too_large : Warning<
    171   "character constant too long for its type">;
    172 def err_multichar_utf_character_literal : Error<
    173   "Unicode character literals may not contain multiple characters">;
    174 def err_exponent_has_no_digits : Error<"exponent has no digits">;
    175 def ext_imaginary_constant : Extension<
    176   "imaginary constants are a GNU extension">, InGroup<GNUImaginaryConstant>;
    177 def err_hexconstant_requires_exponent : Error<
    178   "hexadecimal floating constants require an exponent">;
    179 def err_hexconstant_requires_digits : Error<
    180   "hexadecimal floating constants require a significand">;
    181 def ext_hexconstant_invalid : Extension<
    182   "hexadecimal floating constants are a C99 feature">, InGroup<C99>;
    183 def ext_binary_literal : Extension<
    184   "binary integer literals are a GNU extension">, InGroup<GNUBinaryLiteral>;
    185 def ext_binary_literal_cxx1y : Extension<
    186   "binary integer literals are a C++1y extension">, InGroup<CXX1y>;
    187 def warn_cxx11_compat_binary_literal : Warning<
    188   "binary integer literals are incompatible with C++ standards before C++1y">,
    189   InGroup<CXXPre1yCompatPedantic>, DefaultIgnore;
    190 def err_pascal_string_too_long : Error<"Pascal string is too long">;
    191 def err_octal_escape_too_large : Error<"octal escape sequence out of range">;
    192 def err_hex_escape_too_large : Error<"hex escape sequence out of range">;
    193 def ext_string_too_long : Extension<"string literal of length %0 exceeds "
    194   "maximum length %1 that %select{C90|ISO C99|C++}2 compilers are required to "
    195   "support">, InGroup<OverlengthStrings>;
    196 def err_character_too_large : Error<
    197   "character too large for enclosing character literal type">;
    198 def warn_c99_compat_unicode_literal : Warning<
    199   "unicode literals are incompatible with C99">,
    200   InGroup<C99Compat>, DefaultIgnore;
    201 def warn_cxx98_compat_unicode_literal : Warning<
    202   "unicode literals are incompatible with C++98">,
    203   InGroup<CXX98Compat>, DefaultIgnore;
    204 def warn_cxx11_compat_user_defined_literal : Warning<
    205   "identifier after literal will be treated as a user-defined literal suffix "
    206   "in C++11">, InGroup<CXX11Compat>, DefaultIgnore;
    207 def warn_cxx11_compat_reserved_user_defined_literal : Warning<
    208   "identifier after literal will be treated as a reserved user-defined literal "
    209   "suffix in C++11">,
    210   InGroup<CXX11CompatReservedUserDefinedLiteral>, DefaultIgnore;
    211 def ext_reserved_user_defined_literal : ExtWarn<
    212   "invalid suffix on literal; C++11 requires a space between literal and "
    213   "identifier">, InGroup<ReservedUserDefinedLiteral>, DefaultError;
    214 def ext_ms_reserved_user_defined_literal : ExtWarn<
    215   "invalid suffix on literal; C++11 requires a space between literal and "
    216   "identifier">, InGroup<ReservedUserDefinedLiteral>;
    217 def err_unsupported_string_concat : Error<
    218   "unsupported non-standard concatenation of string literals">;
    219 def err_string_concat_mixed_suffix : Error<
    220   "differing user-defined suffixes ('%0' and '%1') in string literal "
    221   "concatenation">;
    222 def err_pp_invalid_udl : Error<
    223   "%select{character|integer}0 literal with user-defined suffix "
    224   "cannot be used in preprocessor constant expression">;
    225 def err_bad_string_encoding : Error<
    226   "illegal character encoding in string literal">;
    227 def warn_bad_string_encoding : ExtWarn<
    228   "illegal character encoding in string literal">,
    229   InGroup<InvalidSourceEncoding>;
    230 def err_bad_character_encoding : Error<
    231   "illegal character encoding in character literal">;
    232 def warn_bad_character_encoding : ExtWarn<
    233   "illegal character encoding in character literal">,
    234   InGroup<InvalidSourceEncoding>;
    235 def err_lexing_string : Error<"failure when lexing a string">;
    236 
    237 
    238 //===----------------------------------------------------------------------===//
    239 // PTH Diagnostics
    240 //===----------------------------------------------------------------------===//
    241 def err_invalid_pth_file : Error<
    242     "invalid or corrupt PTH file '%0'">;
    243 
    244 //===----------------------------------------------------------------------===//
    245 // Preprocessor Diagnostics
    246 //===----------------------------------------------------------------------===//
    247 
    248 let CategoryName = "User-Defined Issue" in {
    249 def pp_hash_warning : Warning<"%0">,
    250   InGroup<PoundWarning>, ShowInSystemHeader;
    251 def err_pp_hash_error : Error<"%0">;
    252 }
    253 
    254 def pp_include_next_in_primary : Warning<
    255   "#include_next in primary source file">;
    256 def pp_include_macros_out_of_predefines : Error<
    257   "the #__include_macros directive is only for internal use by -imacros">;
    258 def pp_include_next_absolute_path : Warning<"#include_next with absolute path">;
    259 def ext_c99_whitespace_required_after_macro_name : ExtWarn<
    260   "ISO C99 requires whitespace after the macro name">, InGroup<C99>;
    261 def ext_missing_whitespace_after_macro_name : ExtWarn<
    262   "whitespace required after macro name">;
    263 def warn_missing_whitespace_after_macro_name : Warning<
    264   "whitespace recommended after macro name">;
    265   
    266 def pp_pragma_once_in_main_file : Warning<"#pragma once in main file">;
    267 def pp_pragma_sysheader_in_main_file : Warning<
    268   "#pragma system_header ignored in main file">;
    269 def pp_poisoning_existing_macro : Warning<"poisoning existing macro">;
    270 def pp_out_of_date_dependency : Warning<
    271   "current file is older than dependency %0">;
    272 def ext_pp_undef_builtin_macro : ExtWarn<"undefining builtin macro">,
    273   InGroup<BuiltinMacroRedefined>;
    274 def ext_pp_redef_builtin_macro : ExtWarn<"redefining builtin macro">,
    275   InGroup<BuiltinMacroRedefined>;
    276 def pp_disabled_macro_expansion : Warning<
    277   "disabled expansion of recursive macro">, DefaultIgnore,
    278   InGroup<DiagGroup<"disabled-macro-expansion">>;
    279 def pp_macro_not_used : Warning<"macro is not used">, DefaultIgnore,
    280   InGroup<DiagGroup<"unused-macros">>;
    281 def warn_pp_undef_identifier : Warning<
    282   "%0 is not defined, evaluates to 0">,
    283   InGroup<DiagGroup<"undef">>, DefaultIgnore;
    284 def warn_pp_ambiguous_macro : Warning<
    285   "ambiguous expansion of macro %0">, InGroup<AmbiguousMacro>;
    286 def note_pp_ambiguous_macro_chosen : Note<
    287   "expanding this definition of %0">;
    288 def note_pp_ambiguous_macro_other : Note<
    289   "other definition of %0">;
    290 
    291 def pp_invalid_string_literal : Warning<
    292   "invalid string literal, ignoring final '\\'">;
    293 def warn_pp_expr_overflow : Warning<
    294   "integer overflow in preprocessor expression">;
    295 def warn_pp_convert_lhs_to_positive : Warning<
    296   "left side of operator converted from negative value to unsigned: %0">;
    297 def warn_pp_convert_rhs_to_positive : Warning<
    298   "right side of operator converted from negative value to unsigned: %0">;
    299 
    300 def ext_pp_import_directive : Extension<"#import is a language extension">,
    301   InGroup<DiagGroup<"import-preprocessor-directive-pedantic">>;
    302 def err_pp_import_directive_ms : Error<
    303   "#import of type library is an unsupported Microsoft feature">;
    304 def ext_pp_include_search_ms : ExtWarn<
    305   "#include resolved using non-portable MSVC search rules as: %0">,
    306   InGroup<DiagGroup<"msvc-include">>;
    307 
    308 def ext_pp_ident_directive : Extension<"#ident is a language extension">;
    309 def ext_pp_include_next_directive : Extension<
    310   "#include_next is a language extension">;
    311 def ext_pp_warning_directive : Extension<"#warning is a language extension">;
    312 
    313 def ext_pp_extra_tokens_at_eol : ExtWarn<
    314   "extra tokens at end of #%0 directive">, InGroup<ExtraTokens>;
    315   
    316 def ext_pp_comma_expr : Extension<"comma operator in operand of #if">;
    317 def ext_pp_bad_vaargs_use : Extension<
    318   "__VA_ARGS__ can only appear in the expansion of a C99 variadic macro">;
    319 def ext_pp_macro_redef : ExtWarn<"%0 macro redefined">, InGroup<MacroRedefined>;
    320 def ext_variadic_macro : Extension<"variadic macros are a C99 feature">,
    321   InGroup<VariadicMacros>;
    322 def warn_cxx98_compat_variadic_macro : Warning<
    323   "variadic macros are incompatible with C++98">,
    324   InGroup<CXX98CompatPedantic>, DefaultIgnore;
    325 def ext_named_variadic_macro : Extension<
    326   "named variadic macros are a GNU extension">, InGroup<VariadicMacros>;
    327 def err_embedded_include : Error<
    328   "embedding a #%0 directive within macro arguments is not supported">;
    329 def ext_embedded_directive : Extension<
    330   "embedding a directive within macro arguments has undefined behavior">,
    331   InGroup<DiagGroup<"embedded-directive">>;
    332 def ext_missing_varargs_arg : Extension<
    333   "must specify at least one argument for '...' parameter of variadic macro">,
    334   InGroup<GNUZeroVariadicMacroArguments>;
    335 def ext_empty_fnmacro_arg : Extension<
    336   "empty macro arguments are a C99 feature">, InGroup<C99>;
    337 def warn_cxx98_compat_empty_fnmacro_arg : Warning<
    338   "empty macro arguments are incompatible with C++98">,
    339   InGroup<CXX98CompatPedantic>, DefaultIgnore;
    340 def note_macro_here : Note<"macro %0 defined here">;
    341 
    342 def err_pp_opencl_variadic_macros :
    343   Error<"variadic macros not supported in OpenCL">;
    344 
    345 def err_pp_invalid_directive : Error<"invalid preprocessing directive">;
    346 def err_pp_directive_required : Error<
    347   "%0 must be used within a preprocessing directive">;
    348 def err_pp_file_not_found : Error<"'%0' file not found">, DefaultFatal;
    349 def err_pp_file_not_found_not_fatal : Error<
    350   "'%0' file not found with <angled> include; use \"quotes\" instead">;
    351 def err_pp_error_opening_file : Error<
    352   "error opening file '%0': %1">, DefaultFatal;
    353 def err_pp_empty_filename : Error<"empty filename">;
    354 def err_pp_include_too_deep : Error<"#include nested too deeply">;
    355 def err_pp_expects_filename : Error<"expected \"FILENAME\" or <FILENAME>">;
    356 def err_pp_macro_not_identifier : Error<"macro name must be an identifier">;
    357 def err_pp_missing_macro_name : Error<"macro name missing">;
    358 def err_pp_missing_rparen_in_macro_def : Error<
    359   "missing ')' in macro parameter list">;
    360 def err_pp_invalid_tok_in_arg_list : Error<
    361   "invalid token in macro parameter list">;
    362 def err_pp_expected_ident_in_arg_list : Error<
    363   "expected identifier in macro parameter list">;
    364 def err_pp_expected_comma_in_arg_list : Error<
    365   "expected comma in macro parameter list">;
    366 def err_pp_duplicate_name_in_arg_list : Error<
    367   "duplicate macro parameter name %0">;
    368 def err_pp_stringize_not_parameter : Error<
    369   "'#' is not followed by a macro parameter">;
    370 def err_pp_malformed_ident : Error<"invalid #ident directive">;
    371 def err_pp_unterminated_conditional : Error<
    372   "unterminated conditional directive">;
    373 def pp_err_else_after_else : Error<"#else after #else">;
    374 def pp_err_elif_after_else : Error<"#elif after #else">;
    375 def pp_err_else_without_if : Error<"#else without #if">;
    376 def pp_err_elif_without_if : Error<"#elif without #if">;
    377 def err_pp_endif_without_if : Error<"#endif without #if">;
    378 def err_pp_expected_value_in_expr : Error<"expected value in expression">;
    379 def err_pp_expected_rparen : Error<"expected ')' in preprocessor expression">;
    380 def err_pp_expected_eol : Error<
    381   "expected end of line in preprocessor expression">;
    382 def err_pp_expected_after : Error<"missing %1 after %0">;
    383 def err_pp_colon_without_question : Error<"':' without preceding '?'">;
    384 def err_pp_division_by_zero : Error<
    385   "division by zero in preprocessor expression">;
    386 def err_pp_remainder_by_zero : Error<
    387   "remainder by zero in preprocessor expression">;
    388 def err_pp_expr_bad_token_binop : Error<
    389   "token is not a valid binary operator in a preprocessor subexpression">;
    390 def err_pp_expr_bad_token_start_expr : Error<
    391   "invalid token at start of a preprocessor expression">;
    392 def err_pp_invalid_poison : Error<"can only poison identifier tokens">;
    393 def err_pp_used_poisoned_id : Error<"attempt to use a poisoned identifier">;
    394 
    395 def err_feature_check_malformed : Error<
    396   "builtin feature check macro requires a parenthesized identifier">;
    397 
    398 def err_warning_check_malformed : Error<
    399   "builtin warning check macro requires a parenthesized string">;
    400 def warn_has_warning_invalid_option :
    401    ExtWarn<"__has_warning expected option name (e.g. \"-Wundef\")">,
    402    InGroup<MalformedWarningCheck>;
    403 
    404 def err_pp_identifier_arg_not_identifier : Error<
    405   "cannot convert %0 token to an identifier">;
    406 
    407 def warn_pragma_include_alias_mismatch_angle :
    408    ExtWarn<"angle-bracketed include <%0> cannot be aliased to double-quoted "
    409    "include \"%1\"">, InGroup<UnknownPragmas>;
    410 def warn_pragma_include_alias_mismatch_quote :
    411    ExtWarn<"double-quoted include \"%0\" cannot be aliased to angle-bracketed "
    412    "include <%1>">, InGroup<UnknownPragmas>;
    413 def warn_pragma_include_alias_expected :
    414    ExtWarn<"pragma include_alias expected '%0'">,
    415    InGroup<UnknownPragmas>;
    416 def warn_pragma_include_alias_expected_filename :
    417    ExtWarn<"pragma include_alias expected include filename">,
    418    InGroup<UnknownPragmas>;
    419 
    420 // - #pragma warning(...)
    421 def warn_pragma_warning_expected :
    422   ExtWarn<"#pragma warning expected '%0'">,
    423   InGroup<UnknownPragmas>;
    424 def warn_pragma_warning_spec_invalid :
    425   ExtWarn<"#pragma warning expected 'push', 'pop', 'default', 'disable',"
    426           " 'error', 'once', 'suppress', 1, 2, 3, or 4">,
    427   InGroup<UnknownPragmas>;
    428 def warn_pragma_warning_push_level :
    429   ExtWarn<"#pragma warning(push, level) requires a level between 0 and 4">,
    430   InGroup<UnknownPragmas>;
    431 def warn_pragma_warning_expected_number :
    432   ExtWarn<"#pragma warning expected a warning number">,
    433   InGroup<UnknownPragmas>;
    434 
    435 def err__Pragma_malformed : Error<
    436   "_Pragma takes a parenthesized string literal">;
    437 def err_pragma_message_malformed : Error<
    438   "pragma %select{message|warning|error}0 requires parenthesized string">;
    439 def err_pragma_push_pop_macro_malformed : Error<
    440    "pragma %0 requires a parenthesized string">;
    441 def warn_pragma_pop_macro_no_push : Warning<
    442    "pragma pop_macro could not pop '%0', no matching push_macro">,
    443   InGroup<IgnoredPragmas>;
    444 def warn_pragma_message : Warning<"%0">,
    445    InGroup<PoundPragmaMessage>, DefaultWarnNoWerror;
    446 def err_pragma_message : Error<"%0">;
    447 def warn_pragma_ignored : Warning<"unknown pragma ignored">,
    448    InGroup<UnknownPragmas>, DefaultIgnore;
    449 def ext_stdc_pragma_ignored : ExtWarn<"unknown pragma in STDC namespace">,
    450    InGroup<UnknownPragmas>;
    451 def ext_on_off_switch_syntax :
    452    ExtWarn<"expected 'ON' or 'OFF' or 'DEFAULT' in pragma">,
    453    InGroup<UnknownPragmas>;
    454 def ext_pragma_syntax_eod :
    455    ExtWarn<"expected end of directive in pragma">,
    456    InGroup<UnknownPragmas>;
    457 def warn_stdc_fenv_access_not_supported :
    458    Warning<"pragma STDC FENV_ACCESS ON is not supported, ignoring pragma">,
    459    InGroup<UnknownPragmas>;
    460 def warn_pragma_diagnostic_invalid :
    461    ExtWarn<"pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal',"
    462             " 'push', or 'pop'">,
    463    InGroup<UnknownPragmas>;
    464 def warn_pragma_diagnostic_cannot_pop :
    465    ExtWarn<"pragma diagnostic pop could not pop, no matching push">,
    466    InGroup<UnknownPragmas>;
    467 def warn_pragma_diagnostic_invalid_option :
    468    ExtWarn<"pragma diagnostic expected option name (e.g. \"-Wundef\")">,
    469    InGroup<UnknownPragmas>;
    470 def warn_pragma_diagnostic_invalid_token :
    471    ExtWarn<"unexpected token in pragma diagnostic">,
    472    InGroup<UnknownPragmas>;
    473 def warn_pragma_diagnostic_unknown_warning :
    474    ExtWarn<"unknown warning group '%0', ignored">,
    475    InGroup<UnknownPragmas>;
    476 // - #pragma __debug
    477 def warn_pragma_debug_unexpected_command : Warning<
    478   "unexpected debug command '%0'">, InGroup<IgnoredPragmas>;
    479 
    480 def err_defined_macro_name : Error<"'defined' cannot be used as a macro name">;
    481 def err_paste_at_start : Error<
    482   "'##' cannot appear at start of macro expansion">;
    483 def err_paste_at_end : Error<"'##' cannot appear at end of macro expansion">;
    484 def ext_paste_comma : Extension<
    485   "token pasting of ',' and __VA_ARGS__ is a GNU extension">, InGroup<GNUZeroVariadicMacroArguments>;
    486 def err_unterm_macro_invoc : Error<
    487   "unterminated function-like macro invocation">;
    488 def err_too_many_args_in_macro_invoc : Error<
    489   "too many arguments provided to function-like macro invocation">;
    490 def note_suggest_parens_for_macro : Note<
    491   "parentheses are required around macro argument containing braced "
    492   "initializer list">;
    493 def note_init_list_at_beginning_of_macro_argument : Note<
    494   "cannot use initializer list at the beginning of a macro argument">;
    495 def err_too_few_args_in_macro_invoc : Error<
    496   "too few arguments provided to function-like macro invocation">;
    497 def err_pp_bad_paste : Error<
    498   "pasting formed '%0', an invalid preprocessing token">;
    499 def ext_pp_bad_paste_ms : ExtWarn<
    500   "pasting formed '%0', an invalid preprocessing token">, DefaultError,
    501   InGroup<DiagGroup<"invalid-token-paste">>;
    502 def err_pp_operator_used_as_macro_name : Error<
    503   "C++ operator %0 (aka %1) used as a macro name">;
    504 def ext_pp_operator_used_as_macro_name : Extension<
    505   "C++ operator %0 (aka %1) used as a macro name">, InGroup<Microsoft>;
    506 def err_pp_illegal_floating_literal : Error<
    507   "floating point literal in preprocessor expression">;
    508 def err_pp_line_requires_integer : Error<
    509   "#line directive requires a positive integer argument">;
    510 def ext_pp_line_zero : Extension<
    511   "#line directive with zero argument is a GNU extension">, 
    512   InGroup<GNUZeroLineDirective>;
    513 def err_pp_line_invalid_filename : Error<
    514   "invalid filename for #line directive">;
    515 def warn_pp_line_decimal : Warning<
    516   "%select{#line|GNU line marker}0 directive interprets number as decimal, not octal">;
    517 def err_pp_line_digit_sequence : Error<
    518   "%select{#line|GNU line marker}0 directive requires a simple digit sequence">;
    519 def err_pp_linemarker_requires_integer : Error<
    520   "line marker directive requires a positive integer argument">;
    521 def err_pp_linemarker_invalid_filename : Error<
    522   "invalid filename for line marker directive">;
    523 def err_pp_linemarker_invalid_flag : Error<
    524   "invalid flag line marker directive">;
    525 def err_pp_linemarker_invalid_pop : Error<
    526   "invalid line marker flag '2': cannot pop empty include stack">;
    527 def ext_pp_line_too_big : Extension<
    528   "C requires #line number to be less than %0, allowed as extension">;
    529 def warn_cxx98_compat_pp_line_too_big : Warning<
    530   "#line number greater than 32767 is incompatible with C++98">,
    531   InGroup<CXX98CompatPedantic>, DefaultIgnore;
    532 
    533 def err_pp_visibility_non_macro : Error<"no macro named %0">;
    534 
    535 def err_pp_arc_cf_code_audited_syntax : Error<"expected 'begin' or 'end'">;
    536 def err_pp_double_begin_of_arc_cf_code_audited : Error<
    537   "already inside '#pragma clang arc_cf_code_audited'">;
    538 def err_pp_unmatched_end_of_arc_cf_code_audited : Error<
    539   "not currently inside '#pragma clang arc_cf_code_audited'">;
    540 def err_pp_include_in_arc_cf_code_audited : Error<
    541   "cannot #include files inside '#pragma clang arc_cf_code_audited'">;
    542 def err_pp_eof_in_arc_cf_code_audited : Error<
    543   "'#pragma clang arc_cf_code_audited' was not ended within this file">;
    544 
    545 def warn_pp_date_time : Warning<
    546   "expansion of date or time macro is not reproducible">,
    547   ShowInSystemHeader, DefaultIgnore, InGroup<DiagGroup<"date-time">>;
    548 
    549 // Module map parsing
    550 def err_mmap_unknown_token : Error<"skipping stray token">;
    551 def err_mmap_expected_module : Error<"expected module declaration">;
    552 def err_mmap_expected_module_name : Error<"expected module name">;
    553 def err_mmap_expected_lbrace : Error<"expected '{' to start module '%0'">;
    554 def err_mmap_expected_rbrace : Error<"expected '}'">;
    555 def note_mmap_lbrace_match : Note<"to match this '{'">;
    556 def err_mmap_expected_rsquare : Error<"expected ']' to close attribute">;
    557 def note_mmap_lsquare_match : Note<"to match this ']'">;
    558 def err_mmap_expected_member : Error<
    559   "expected umbrella, header, submodule, or module export">;
    560 def err_mmap_expected_header : Error<"expected a header name after '%0'">;
    561 def err_mmap_expected_mmap_file : Error<"expected a module map file name">;
    562 def err_mmap_module_redefinition : Error<
    563   "redefinition of module '%0'">;
    564 def note_mmap_prev_definition : Note<"previously defined here">;
    565 def err_mmap_umbrella_dir_not_found : Error<
    566   "umbrella directory '%0' not found">;
    567 def err_mmap_umbrella_clash : Error<
    568   "umbrella for module '%0' already covers this directory">;
    569 def err_mmap_module_id : Error<
    570   "expected a module name or '*'">;
    571 def err_mmap_expected_library_name : Error<
    572   "expected %select{library|framework}0 name as a string">;
    573 def err_mmap_config_macro_submodule : Error<
    574   "configuration macros are only allowed on top-level modules">;
    575 def err_mmap_expected_config_macro : Error<
    576   "expected configuration macro name after ','">;
    577 def err_mmap_expected_conflicts_comma : Error<
    578   "expected ',' after conflicting module name">;
    579 def err_mmap_expected_conflicts_message : Error<
    580   "expected a message describing the conflict with '%0'">;
    581 def err_mmap_missing_module_unqualified : Error<
    582   "no module named '%0' visible from '%1'">;
    583 def err_mmap_missing_module_qualified : Error<
    584   "no module named '%0' in '%1'">;
    585 def err_mmap_top_level_inferred_submodule : Error<
    586   "only submodules and framework modules may be inferred with wildcard syntax">;
    587 def err_mmap_inferred_no_umbrella : Error<
    588   "inferred submodules require a module with an umbrella">;
    589 def err_mmap_inferred_framework_submodule : Error<
    590   "inferred submodule cannot be a framework submodule">;
    591 def err_mmap_explicit_inferred_framework : Error<
    592   "inferred framework modules cannot be 'explicit'">;
    593 def err_mmap_missing_exclude_name : Error<
    594   "expected excluded module name">;
    595 def err_mmap_inferred_redef : Error<
    596   "redefinition of inferred submodule">;
    597 def err_mmap_expected_lbrace_wildcard : Error<
    598   "expected '{' to start inferred submodule">;
    599 def err_mmap_expected_inferred_member : Error<
    600   "expected %select{module exclusion with 'exclude'|'export *'}0">;
    601 def err_mmap_expected_export_wildcard : Error<
    602   "only '*' can be exported from an inferred submodule">;
    603 def err_mmap_explicit_top_level : Error<
    604   "'explicit' is not permitted on top-level modules">;
    605 def err_mmap_nested_submodule_id : Error<
    606   "qualified module name can only be used to define modules at the top level">;
    607 def err_mmap_expected_feature : Error<"expected a feature name">;
    608 def err_mmap_expected_attribute : Error<"expected an attribute name">;
    609 def warn_mmap_unknown_attribute : Warning<"unknown attribute '%0'">,
    610   InGroup<IgnoredAttributes>;
    611 
    612 def warn_auto_module_import : Warning<
    613   "treating #%select{include|import|include_next|__include_macros}0 as an "
    614   "import of module '%1'">, InGroup<AutoImport>, DefaultIgnore;
    615 def warn_uncovered_module_header : Warning<
    616   "umbrella header for module '%0' does not include header '%1'">, 
    617   InGroup<IncompleteUmbrella>;
    618 def warn_forgotten_module_header : Warning<
    619   "header '%0' is included in module '%1' but not listed in module map">,
    620   InGroup<IncompleteModule>, DefaultIgnore;
    621 def err_expected_id_building_module : Error<
    622   "expected a module name in '__building_module' expression">;
    623 def error_use_of_private_header_outside_module : Error<
    624   "use of private header from outside its module: '%0'">;
    625 def error_undeclared_use_of_module : Error<
    626   "module %0 does not depend on a module exporting '%1'">;
    627 def warn_non_modular_include_in_framework_module : Warning<
    628   "include of non-modular header inside framework module '%0'">,
    629   InGroup<NonModularIncludeInFrameworkModule>, DefaultIgnore;
    630 def warn_non_modular_include_in_module : Warning<
    631   "include of non-modular header inside module '%0'">,
    632   InGroup<NonModularIncludeInModule>, DefaultIgnore;
    633 
    634 
    635 def warn_header_guard : Warning<
    636   "%0 is used as a header guard here, followed by #define of a different macro">,
    637   InGroup<DiagGroup<"header-guard">>;
    638 def note_header_guard : Note<
    639   "%0 is defined here; did you mean %1?">;  
    640 }
    641