xref: /freebsd/contrib/llvm-project/clang/include/clang/Basic/DiagnosticLexKinds.td (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
1//==--- DiagnosticLexKinds.td - liblex diagnostics ------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9//===----------------------------------------------------------------------===//
10// Lexer Diagnostics
11//===----------------------------------------------------------------------===//
12
13let Component = "Lex", CategoryName = "Lexical or Preprocessor Issue" in {
14
15def null_in_char_or_string : Warning<
16  "null character(s) preserved in %select{char|string}0 literal">,
17  InGroup<NullCharacter>;
18def null_in_file : Warning<"null character ignored">, InGroup<NullCharacter>;
19def warn_nested_block_comment : Warning<"'/*' within block comment">,
20  InGroup<Comment>;
21def escaped_newline_block_comment_end : Warning<
22  "escaped newline between */ characters at block comment end">,
23  InGroup<Comment>;
24def backslash_newline_space : Warning<
25  "backslash and newline separated by space">,
26  InGroup<DiagGroup<"backslash-newline-escape">>;
27
28// Digraphs.
29def warn_cxx98_compat_less_colon_colon : Warning<
30  "'<::' is treated as digraph '<:' (aka '[') followed by ':' in C++98">,
31  InGroup<CXX98Compat>, DefaultIgnore;
32
33def warn_cxx17_compat_spaceship : Warning<
34  "'<=>' operator is incompatible with C++ standards before C++20">,
35  InGroup<CXXPre20Compat>, DefaultIgnore;
36def warn_cxx20_compat_spaceship : Warning<
37  "'<=>' is a single token in C++20; "
38  "add a space to avoid a change in behavior">,
39  InGroup<CXX20Compat>;
40
41// Trigraphs.
42def trigraph_ignored : Warning<"trigraph ignored">, InGroup<Trigraphs>;
43def trigraph_ignored_block_comment : Warning<
44  "ignored trigraph would end block comment">, InGroup<Trigraphs>;
45def trigraph_ends_block_comment : Warning<"trigraph ends block comment">,
46    InGroup<Trigraphs>;
47def trigraph_converted : Warning<"trigraph converted to '%0' character">,
48    InGroup<Trigraphs>;
49
50def ext_multi_line_line_comment : Extension<"multi-line // comment">,
51    InGroup<Comment>;
52def ext_line_comment : Extension<
53  "// comments are not allowed in this language">,
54  InGroup<Comment>;
55def ext_no_newline_eof : Extension<"no newline at end of file">,
56  InGroup<NewlineEOF>;
57def warn_no_newline_eof : Warning<"no newline at end of file">,
58  InGroup<NewlineEOF>, DefaultIgnore;
59
60def warn_cxx98_compat_no_newline_eof : Warning<
61  "C++98 requires newline at end of file">,
62  InGroup<CXX98CompatPedantic>, DefaultIgnore;
63
64def ext_dollar_in_identifier : Extension<"'$' in identifier">,
65  InGroup<DiagGroup<"dollar-in-identifier-extension">>;
66def ext_charize_microsoft : Extension<
67  "charizing operator #@ is a Microsoft extension">,
68  InGroup<MicrosoftCharize>;
69def ext_comment_paste_microsoft : Extension<
70  "pasting two '/' tokens into a '//' comment is a Microsoft extension">,
71  InGroup<MicrosoftCommentPaste>;
72def ext_ctrl_z_eof_microsoft : Extension<
73  "treating Ctrl-Z as end-of-file is a Microsoft extension">,
74  InGroup<MicrosoftEndOfFile>;
75
76def ext_token_used : Extension<"extension used">,
77  InGroup<DiagGroup<"language-extension-token">>;
78
79def warn_cxx11_keyword : Warning<"'%0' is a keyword in C++11">,
80  InGroup<CXX11Compat>, DefaultIgnore;
81def warn_cxx20_keyword : Warning<"'%0' is a keyword in C++20">,
82  InGroup<CXX20Compat>, DefaultIgnore;
83def warn_c99_keyword : Warning<"'%0' is a keyword in C99">,
84  InGroup<C99Compat>, DefaultIgnore;
85def warn_c23_keyword : Warning<"'%0' is a keyword in C23">,
86  InGroup<C23Compat>, DefaultIgnore;
87
88def ext_unterminated_char_or_string : ExtWarn<
89  "missing terminating %select{'|'\"'}0 character">, InGroup<InvalidPPToken>;
90def ext_empty_character : ExtWarn<"empty character constant">,
91  InGroup<InvalidPPToken>;
92def err_unterminated_block_comment : Error<"unterminated /* comment">;
93def err_invalid_character_to_charify : Error<
94  "invalid argument to convert to character">;
95def err_unterminated___pragma : Error<"missing terminating ')' character">;
96
97def err_conflict_marker : Error<"version control conflict marker in file">;
98
99def err_raw_delim_too_long : Error<
100  "raw string delimiter longer than 16 characters"
101  "; use PREFIX( )PREFIX to delimit raw string">;
102def err_invalid_char_raw_delim : Error<
103  "invalid character '%0' in raw string delimiter"
104  "; use PREFIX( )PREFIX to delimit raw string">;
105def err_invalid_newline_raw_delim : Error<
106  "invalid newline character in raw string delimiter"
107  "; use PREFIX( )PREFIX to delimit raw string">;
108def err_unterminated_raw_string : Error<
109  "raw string missing terminating delimiter )%0\"">;
110def warn_cxx98_compat_raw_string_literal : Warning<
111  "raw string literals are incompatible with C++98">,
112  InGroup<CXX98Compat>, DefaultIgnore;
113
114def warn_cxx26_compat_raw_string_literal_character_set : Warning<
115  " '%0' in a raw string literal delimiter is incompatible "
116  "with standards before C++2c">,
117  InGroup<CXXPre26Compat>, DefaultIgnore;
118def ext_cxx26_raw_string_literal_character_set : Extension<
119  " '%0' in a raw string literal delimiter is a C++2c extension">,
120  InGroup<CXX26>, DefaultIgnore;
121
122def warn_multichar_character_literal : Warning<
123  "multi-character character constant">, InGroup<MultiChar>;
124def warn_four_char_character_literal : Warning<
125  "multi-character character constant">, InGroup<FourByteMultiChar>, DefaultIgnore;
126
127
128// Unicode and UCNs
129def err_invalid_utf8 : Error<
130  "source file is not valid UTF-8">;
131def warn_invalid_utf8_in_comment : Extension<
132  "invalid UTF-8 in comment">, InGroup<DiagGroup<"invalid-utf8">>;
133def err_character_not_allowed : Error<
134  "unexpected character <U+%0>">;
135def err_character_not_allowed_identifier : Error<
136  "character <U+%0> not allowed %select{in|at the start of}1 an identifier">;
137def ext_unicode_whitespace : ExtWarn<
138  "treating Unicode character as whitespace">,
139  InGroup<DiagGroup<"unicode-whitespace">>;
140def warn_utf8_symbol_homoglyph : Warning<
141  "treating Unicode character <U+%0> as an identifier character rather than "
142  "as '%1' symbol">, InGroup<DiagGroup<"unicode-homoglyph">>;
143def warn_utf8_symbol_zero_width : Warning<
144  "identifier contains Unicode character <U+%0> that is invisible in "
145  "some environments">, InGroup<DiagGroup<"unicode-zero-width">>;
146def ext_mathematical_notation : ExtWarn<
147  "mathematical notation character <U+%0> in an identifier is a Clang extension">,
148  InGroup<DiagGroup<"mathematical-notation-identifier-extension">>;
149
150def ext_delimited_escape_sequence : Extension<
151  "%select{delimited|named}0 escape sequences are a "
152  "%select{Clang|C++23}1 extension">,
153  InGroup<DiagGroup<"delimited-escape-sequence-extension">>;
154
155def warn_cxx23_delimited_escape_sequence : Warning<
156  "%select{delimited|named}0 escape sequences are "
157  "incompatible with C++ standards before C++23">,
158  InGroup<CXXPre23Compat>, DefaultIgnore;
159
160def err_delimited_escape_empty : Error<
161  "delimited escape sequence cannot be empty">;
162def err_delimited_escape_missing_brace: Error<
163  "expected '{' after '\\%0' escape sequence">;
164def err_delimited_escape_invalid : Error<
165  "invalid digit '%0' in escape sequence">;
166def err_hex_escape_no_digits : Error<
167  "\\%0 used with no following hex digits">;
168def err_invalid_ucn_name : Error<
169  "'%0' is not a valid Unicode character name">;
170def note_invalid_ucn_name_loose_matching : Note<
171  "characters names in Unicode escape sequences are sensitive to case and whitespaces">;
172def note_invalid_ucn_name_candidate : Note<
173  "did you mean %0 ('%2' U+%1)?">;
174
175def warn_ucn_escape_no_digits : Warning<
176  "\\%0 used with no following hex digits; "
177  "treating as '\\' followed by identifier">, InGroup<Unicode>;
178def err_ucn_escape_incomplete : Error<
179  "incomplete universal character name">;
180def warn_delimited_ucn_incomplete : Warning<
181  "incomplete delimited universal character name; "
182  "treating as '\\' '%0' '{' identifier">, InGroup<Unicode>;
183def warn_delimited_ucn_empty : Warning<
184  "empty delimited universal character name; "
185  "treating as '\\' '%0' '{' '}'">, InGroup<Unicode>;
186def warn_ucn_escape_incomplete : Warning<
187  "incomplete universal character name; "
188  "treating as '\\' followed by identifier">, InGroup<Unicode>;
189def note_ucn_four_not_eight : Note<"did you mean to use '\\u'?">;
190
191def err_ucn_escape_basic_scs : Error<
192  "character '%0' cannot be specified by a universal character name">;
193def err_ucn_control_character : Error<
194  "universal character name refers to a control character">;
195def err_ucn_escape_invalid : Error<"invalid universal character">;
196def warn_ucn_escape_surrogate : Warning<
197  "universal character name refers to a surrogate character">,
198  InGroup<Unicode>;
199
200def warn_c99_compat_unicode_id : Warning<
201  "%select{using this character in an identifier|starting an identifier with "
202  "this character}0 is incompatible with C99">,
203  InGroup<C99Compat>, DefaultIgnore;
204
205def warn_cxx98_compat_literal_ucn_escape_basic_scs : Warning<
206  "specifying character '%0' with a universal character name "
207  "is incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
208def warn_cxx98_compat_literal_ucn_control_character : Warning<
209  "universal character name referring to a control character "
210  "is incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
211def warn_c23_compat_literal_ucn_escape_basic_scs : Warning<
212  "specifying character '%0' with a universal character name is "
213  "incompatible with C standards before C23">,
214  InGroup<CPre23Compat>, DefaultIgnore;
215def warn_c23_compat_literal_ucn_control_character : Warning<
216  "universal character name referring to a control character "
217  "is incompatible with C standards before C23">,
218  InGroup<CPre23Compat>, DefaultIgnore;
219def warn_ucn_not_valid_in_c89 : Warning<
220  "universal character names are only valid in C99 or C++; "
221  "treating as '\\' followed by identifier">, InGroup<Unicode>;
222def warn_ucn_not_valid_in_c89_literal : ExtWarn<
223  "universal character names are only valid in C99 or C++">, InGroup<Unicode>;
224
225
226// Literal
227def ext_nonstandard_escape : Extension<
228  "use of non-standard escape character '\\%0'">;
229def ext_unknown_escape : ExtWarn<"unknown escape sequence '\\%0'">,
230  InGroup<DiagGroup<"unknown-escape-sequence">>;
231def err_invalid_digit : Error<
232  "invalid digit '%0' in %select{decimal|octal|binary}1 constant">;
233def err_invalid_suffix_constant : Error<
234  "invalid suffix '%0' on %select{integer|floating|fixed-point}1 constant">;
235def warn_cxx11_compat_digit_separator : Warning<
236  "digit separators are incompatible with C++ standards before C++14">,
237  InGroup<CXXPre14Compat>, DefaultIgnore;
238def warn_c23_compat_digit_separator : Warning<
239  "digit separators are incompatible with C standards before C23">,
240  InGroup<CPre23Compat>, DefaultIgnore;
241def err_digit_separator_not_between_digits : Error<
242  "digit separator cannot appear at %select{start|end}0 of digit sequence">;
243def warn_char_constant_too_large : Warning<
244  "character constant too long for its type">;
245def err_multichar_character_literal : Error<
246  "%select{wide|Unicode}0 character literals may not contain multiple characters">;
247def err_exponent_has_no_digits : Error<"exponent has no digits">;
248def err_hex_constant_requires : Error<
249  "hexadecimal floating %select{constant|literal}0 requires "
250  "%select{an exponent|a significand}1">;
251def ext_hex_constant_invalid : Extension<
252  "hexadecimal floating constants are a C99 feature">, InGroup<C99>;
253def ext_hex_literal_invalid : Extension<
254  "hexadecimal floating literals are a C++17 feature">, InGroup<CXX17>;
255def warn_cxx17_hex_literal : Warning<
256  "hexadecimal floating literals are incompatible with "
257  "C++ standards before C++17">,
258  InGroup<CXXPre17CompatPedantic>, DefaultIgnore;
259def ext_binary_literal : Extension<
260  "binary integer literals are a C23 extension">, InGroup<C23>;
261def warn_c23_compat_binary_literal : Warning<
262  "binary integer literals are incompatible with C standards before C23">,
263  InGroup<CPre23Compat>, DefaultIgnore;
264def ext_binary_literal_cxx14 : Extension<
265  "binary integer literals are a C++14 extension">, InGroup<CXX14BinaryLiteral>;
266def warn_cxx11_compat_binary_literal : Warning<
267  "binary integer literals are incompatible with C++ standards before C++14">,
268  InGroup<CXXPre14CompatBinaryLiteral>, DefaultIgnore;
269def err_pascal_string_too_long : Error<"Pascal string is too long">;
270def err_escape_too_large : Error<
271  "%select{hex|octal}0 escape sequence out of range">;
272def ext_string_too_long : Extension<"string literal of length %0 exceeds "
273  "maximum length %1 that %select{C90|ISO C99|C++}2 compilers are required to "
274  "support">, InGroup<OverlengthStrings>;
275def err_character_too_large : Error<
276  "character too large for enclosing character literal type">;
277def warn_c99_compat_unicode_literal : Warning<
278  "unicode literals are incompatible with C99">,
279  InGroup<C99Compat>, DefaultIgnore;
280def warn_cxx98_compat_unicode_literal : Warning<
281  "unicode literals are incompatible with C++98">,
282  InGroup<CXX98Compat>, DefaultIgnore;
283def warn_cxx14_compat_u8_character_literal : Warning<
284  "unicode literals are incompatible with C++ standards before C++17">,
285  InGroup<CXXPre17Compat>, DefaultIgnore;
286def warn_cxx11_compat_user_defined_literal : Warning<
287  "identifier after literal will be treated as a user-defined literal suffix "
288  "in C++11">, InGroup<CXX11Compat>, DefaultIgnore;
289def warn_cxx11_compat_reserved_user_defined_literal : Warning<
290  "identifier after literal will be treated as a reserved user-defined literal "
291  "suffix in C++11">,
292  InGroup<CXX11CompatReservedUserDefinedLiteral>, DefaultIgnore;
293def ext_reserved_user_defined_literal : ExtWarn<
294  "invalid suffix on literal; C++11 requires a space between literal and "
295  "identifier">, InGroup<ReservedUserDefinedLiteral>, DefaultError;
296def ext_ms_reserved_user_defined_literal : ExtWarn<
297  "invalid suffix on literal; C++11 requires a space between literal and "
298  "identifier">, InGroup<ReservedUserDefinedLiteral>;
299def err_unsupported_string_concat : Error<
300  "unsupported non-standard concatenation of string literals">;
301
302def warn_unevaluated_string_prefix : Warning<
303  "encoding prefix '%0' on an unevaluated string literal has no effect"
304  "%select{| and is incompatible with c++2c}1">,
305  InGroup<DiagGroup<"invalid-unevaluated-string">>;
306def err_unevaluated_string_prefix : Error<
307  "an unevaluated string literal cannot have an encoding prefix">;
308def err_unevaluated_string_udl : Error<
309  "an unevaluated string literal cannot be a user-defined literal">;
310def err_unevaluated_string_invalid_escape_sequence : Error<
311  "invalid escape sequence '%0' in an unevaluated string literal">;
312def err_string_concat_mixed_suffix : Error<
313  "differing user-defined suffixes ('%0' and '%1') in string literal "
314  "concatenation">;
315def err_pp_invalid_udl : Error<
316  "%select{character|integer}0 literal with user-defined suffix "
317  "cannot be used in preprocessor constant expression">;
318def err_bad_string_encoding : Error<
319  "illegal character encoding in string literal">;
320def warn_bad_string_encoding : ExtWarn<
321  "illegal character encoding in string literal">,
322  InGroup<InvalidSourceEncoding>;
323def err_bad_character_encoding : Error<
324  "illegal character encoding in character literal">;
325def warn_bad_character_encoding : ExtWarn<
326  "illegal character encoding in character literal">,
327  InGroup<InvalidSourceEncoding>;
328def err_lexing_string : Error<"failure when lexing a string literal">;
329def err_lexing_char : Error<"failure when lexing a character literal">;
330def err_lexing_numeric : Error<"failure when lexing a numeric literal">;
331def err_placeholder_in_source : Error<"editor placeholder in source file">;
332
333//===----------------------------------------------------------------------===//
334// Preprocessor Diagnostics
335//===----------------------------------------------------------------------===//
336
337let CategoryName = "User-Defined Issue" in {
338def pp_hash_warning : Warning<"%0">,
339  InGroup<PoundWarning>, ShowInSystemHeader;
340def err_pp_hash_error : Error<"%0">;
341}
342
343def pp_include_next_in_primary : Warning<
344  "#include_next in primary source file; "
345  "will search from start of include path">,
346  InGroup<DiagGroup<"include-next-outside-header">>;
347def pp_include_macros_out_of_predefines : Error<
348  "the #__include_macros directive is only for internal use by -imacros">;
349def pp_include_next_absolute_path : Warning<
350  "#include_next in file found relative to primary source file or found by "
351  "absolute path; will search from start of include path">,
352  InGroup<DiagGroup<"include-next-absolute-path">>;
353def ext_c99_whitespace_required_after_macro_name : ExtWarn<
354  "ISO C99 requires whitespace after the macro name">, InGroup<C99>;
355def ext_missing_whitespace_after_macro_name : ExtWarn<
356  "whitespace required after macro name">;
357def warn_missing_whitespace_after_macro_name : Warning<
358  "whitespace recommended after macro name">;
359
360class NonportablePath  : Warning<
361  "non-portable path to file '%0'; specified path differs in case from file"
362  " name on disk">;
363def pp_nonportable_path : NonportablePath,
364  InGroup<DiagGroup<"nonportable-include-path">>;
365def pp_nonportable_system_path : NonportablePath, DefaultIgnore,
366  InGroup<DiagGroup<"nonportable-system-include-path">>;
367
368def pp_pragma_once_in_main_file : Warning<"#pragma once in main file">,
369  InGroup<DiagGroup<"pragma-once-outside-header">>;
370def pp_pragma_sysheader_in_main_file : Warning<
371  "#pragma system_header ignored in main file">,
372  InGroup<DiagGroup<"pragma-system-header-outside-header">>;
373
374def err_illegal_use_of_flt_eval_macro : Error<
375  "'__FLT_EVAL_METHOD__' cannot be expanded inside a scope containing "
376  "'#pragma clang fp eval_method'">;
377
378def pp_poisoning_existing_macro : Warning<"poisoning existing macro">;
379def pp_out_of_date_dependency : Warning<
380  "current file is older than dependency %0">;
381def ext_pp_undef_builtin_macro : ExtWarn<"undefining builtin macro">,
382  InGroup<BuiltinMacroRedefined>;
383def ext_pp_redef_builtin_macro : ExtWarn<"redefining builtin macro">,
384  InGroup<BuiltinMacroRedefined>;
385def pp_disabled_macro_expansion : Warning<
386  "disabled expansion of recursive macro">, DefaultIgnore,
387  InGroup<DiagGroup<"disabled-macro-expansion">>;
388def pp_macro_not_used : Warning<"macro is not used">, DefaultIgnore,
389  InGroup<DiagGroup<"unused-macros">>;
390def warn_pp_undef_identifier : Warning<
391  "%0 is not defined, evaluates to 0">,
392  InGroup<DiagGroup<"undef">>, DefaultIgnore;
393def warn_pp_undef_prefix : Warning<
394  "%0 is not defined, evaluates to 0">,
395  InGroup<DiagGroup<"undef-prefix">>, DefaultIgnore;
396def warn_pp_ambiguous_macro : Warning<
397  "ambiguous expansion of macro %0">, InGroup<AmbiguousMacro>;
398def note_pp_ambiguous_macro_chosen : Note<
399  "expanding this definition of %0">;
400def note_pp_ambiguous_macro_other : Note<
401  "other definition of %0">;
402def warn_pp_macro_hides_keyword : Extension<
403  "keyword is hidden by macro definition">, InGroup<KeywordAsMacro>;
404def warn_pp_macro_is_reserved_id : Warning<
405  "macro name is a reserved identifier">, DefaultIgnore,
406  InGroup<ReservedIdAsMacro>;
407def warn_pp_objc_macro_redef_ignored : Warning<
408  "ignoring redefinition of Objective-C qualifier macro">,
409  InGroup<DiagGroup<"objc-macro-redefinition">>;
410
411def pp_invalid_string_literal : Warning<
412  "invalid string literal, ignoring final '\\'">;
413def warn_pp_expr_overflow : Warning<
414  "integer overflow in preprocessor expression">;
415def warn_pp_convert_to_positive : Warning<
416  "%select{left|right}0 side of operator converted from negative value to "
417  "unsigned: %1">;
418
419def ext_pp_import_directive : Extension<"#import is a language extension">,
420  InGroup<DiagGroup<"import-preprocessor-directive-pedantic">>;
421def err_pp_import_directive_ms : Error<
422  "#import of type library is an unsupported Microsoft feature">;
423def ext_pp_include_search_ms : ExtWarn<
424  "#include resolved using non-portable Microsoft search rules as: %0">,
425  InGroup<MicrosoftInclude>;
426
427def ext_pp_ident_directive : Extension<"#ident is a language extension">;
428def ext_pp_include_next_directive : Extension<
429  "#include_next is a language extension">, InGroup<GNUIncludeNext>;
430
431def ext_pp_warning_directive : Extension<
432  "#warning is a %select{C23|C++23}0 extension">;
433def warn_cxx23_compat_warning_directive : Warning<
434  "#warning is incompatible with C++ standards before C++23">,
435  InGroup<CXXPre23Compat>, DefaultIgnore;
436def warn_c23_compat_warning_directive : Warning<
437  "#warning is incompatible with C standards before C23">,
438  InGroup<CPre23Compat>, DefaultIgnore;
439def ext_pp_embed_directive : ExtWarn<
440  "#embed is a %select{C23|Clang}0 extension">,
441  InGroup<C23>;
442def warn_compat_pp_embed_directive : Warning<
443  "#embed is incompatible with C standards before C23">,
444  InGroup<CPre23Compat>, DefaultIgnore;
445def err_pp_embed_dup_params : Error<
446  "cannot specify parameter '%0' twice in the same '#embed' directive">;
447
448def ext_pp_extra_tokens_at_eol : ExtWarn<
449  "extra tokens at end of #%0 directive">, InGroup<ExtraTokens>;
450
451def ext_pp_comma_expr : Extension<"comma operator in operand of #if">;
452def ext_pp_bad_vaargs_use : Extension<
453  "__VA_ARGS__ can only appear in the expansion of a C99 variadic macro">;
454
455def ext_pp_bad_vaopt_use
456    : ExtWarn<
457          "__VA_OPT__ can only appear in the expansion of a variadic macro">,
458      InGroup<VariadicMacros>;
459
460def err_pp_missing_lparen_in_vaopt_use : Error<
461  "missing '(' following __VA_OPT__">;
462def err_pp_vaopt_nested_use : Error<
463  "__VA_OPT__ cannot be nested within its own replacement tokens">;
464
465def err_vaopt_paste_at_start : Error<
466  "'##' cannot appear at start of __VA_OPT__ argument">;
467
468def err_vaopt_paste_at_end
469    : Error<"'##' cannot appear at end of __VA_OPT__ argument">;
470
471def ext_pp_macro_redef : ExtWarn<"%0 macro redefined">, InGroup<MacroRedefined>;
472def ext_variadic_macro : Extension<"variadic macros are a C99 feature">,
473  InGroup<VariadicMacros>;
474def warn_cxx98_compat_variadic_macro : Warning<
475  "variadic macros are incompatible with C++98">,
476  InGroup<CXX98CompatPedantic>, DefaultIgnore;
477def ext_named_variadic_macro : Extension<
478  "named variadic macros are a GNU extension">, InGroup<VariadicMacros>;
479def err_embedded_directive : Error<
480  "embedding a #%0 directive within macro arguments is not supported">;
481def ext_embedded_directive : Extension<
482  "embedding a directive within macro arguments has undefined behavior">,
483  InGroup<DiagGroup<"embedded-directive">>;
484def ext_c_missing_varargs_arg : Extension<
485  "passing no argument for the '...' parameter of a variadic macro is "
486  "a C23 extension">, InGroup<C23>;
487def ext_cxx_missing_varargs_arg : Extension<
488  "passing no argument for the '...' parameter of a variadic macro is "
489  "a C++20 extension">, InGroup<CXX20>;
490def warn_c17_compat_missing_varargs_arg : Warning<
491  "passing no argument for the '...' parameter of a variadic macro is "
492  "incompatible with C standards before C23">,
493  InGroup<CPre23Compat>, DefaultIgnore;
494def warn_cxx17_compat_missing_varargs_arg : Warning<
495  "passing no argument for the '...' parameter of a variadic macro is "
496  "incompatible with C++ standards before C++20">,
497  InGroup<CXXPre20Compat>, DefaultIgnore;
498def ext_empty_fnmacro_arg : Extension<
499  "empty macro arguments are a C99 feature">, InGroup<C99>;
500def warn_cxx98_compat_empty_fnmacro_arg : Warning<
501  "empty macro arguments are incompatible with C++98">,
502  InGroup<CXX98CompatPedantic>, DefaultIgnore;
503def note_macro_here : Note<"macro %0 defined here">;
504def note_macro_expansion_here : Note<"expansion of macro %0 requested here">;
505
506def ext_pp_opencl_variadic_macros : Extension<
507  "variadic macros are a Clang extension in OpenCL">;
508
509def ext_pp_gnu_line_directive : Extension<
510  "this style of line directive is a GNU extension">,
511  InGroup<GNULineMarker>;
512def err_pp_invalid_directive : Error<
513  "invalid preprocessing directive%select{|, did you mean '#%1'?}0">;
514def warn_pp_invalid_directive : Warning<
515  err_pp_invalid_directive.Summary>, InGroup<DiagGroup<"unknown-directives">>;
516def err_pp_unknown_parameter : Error<
517  "unknown%select{ | embed}0 preprocessor parameter '%1'">;
518def err_pp_directive_required : Error<
519  "%0 must be used within a preprocessing directive">;
520def err_pp_file_not_found : Error<"'%0' file not found">, DefaultFatal;
521def err_pp_through_header_not_found : Error<
522  "'%0' required for precompiled header not found">, DefaultFatal;
523def err_pp_through_header_not_seen : Error<
524  "#include of '%0' not seen while attempting to "
525  "%select{create|use}1 precompiled header">, DefaultFatal;
526def err_pp_pragma_hdrstop_not_seen : Error<
527  "#pragma hdrstop not seen while attempting to use precompiled header">,
528  DefaultFatal;
529def warn_pp_macro_def_mismatch_with_pch : Warning<
530  "definition of macro %0 does not match definition in precompiled header">,
531  InGroup<ClangClPch>;
532def warn_pp_hdrstop_filename_ignored : Warning<
533  "#pragma hdrstop filename not supported, "
534  "/Fp can be used to specify precompiled header filename">,
535  InGroup<ClangClPch>;
536def remark_pp_search_path_usage : Remark<
537  "search path used: '%0'">,
538  InGroup<UsedSearchPath>;
539def err_pp_file_not_found_angled_include_not_fatal : Error<
540  "'%0' file not found with <angled> %select{include|import}1; "
541  "use \"quotes\" instead">;
542def err_pp_file_not_found_typo_not_fatal
543    : Error<"'%0' file not found, did you mean '%1'?">;
544def note_pp_framework_without_header : Note<
545  "did not find header '%0' in framework '%1' (loaded from '%2')">;
546def err_pp_error_opening_file : Error<
547  "error opening file '%0': %1">, DefaultFatal;
548def err_pp_including_mainfile_in_preamble : Error<
549  "main file cannot be included recursively when building a preamble">;
550def err_pp_empty_filename : Error<"empty filename">;
551def err_pp_include_too_deep : Error<"#include nested too deeply">;
552def err_pp_expects_filename : Error<"expected \"FILENAME\" or <FILENAME>">;
553def err_pp_macro_not_identifier : Error<"macro name must be an identifier">;
554def err_pp_missing_macro_name : Error<"macro name missing">;
555def err_pp_missing_rparen_in_macro_def : Error<
556  "missing ')' in macro parameter list">;
557def err_pp_invalid_tok_in_arg_list : Error<
558  "invalid token in macro parameter list">;
559def err_pp_expected_ident_in_arg_list : Error<
560  "expected identifier in macro parameter list">;
561def err_pp_expected_comma_in_arg_list : Error<
562  "expected comma in macro parameter list">;
563def err_pp_duplicate_name_in_arg_list : Error<
564  "duplicate macro parameter name %0">;
565def err_pp_stringize_not_parameter : Error<
566  "'%select{#|#@}0' is not followed by a macro parameter">;
567def err_pp_malformed_ident : Error<"invalid #ident directive">;
568def err_pp_unterminated_conditional : Error<
569  "unterminated conditional directive">;
570def pp_err_else_after_else : Error<"#else after #else">;
571def pp_err_elif_after_else : Error<
572  "%select{#elif|#elifdef|#elifndef}0 after #else">;
573def pp_err_else_without_if : Error<"#else without #if">;
574def pp_err_elif_without_if : Error<
575  "%select{#elif|#elifdef|#elifndef}0 without #if">;
576def err_pp_endif_without_if : Error<"#endif without #if">;
577def err_pp_expected_value_in_expr : Error<"expected value in expression">;
578def err_pp_expected_rparen : Error<"expected ')' in preprocessor expression">;
579def err_pp_expected_eol : Error<
580  "expected end of line in preprocessor expression">;
581def err_pp_expected_after : Error<"missing %1 after %0">;
582def err_pp_nested_paren : Error<"nested parentheses not permitted in %0">;
583def err_pp_colon_without_question : Error<"':' without preceding '?'">;
584def err_pp_division_by_zero : Error<
585  "division by zero in preprocessor expression">;
586def err_pp_remainder_by_zero : Error<
587  "remainder by zero in preprocessor expression">;
588def err_pp_expr_bad_token_binop : Error<
589  "token is not a valid binary operator in a preprocessor subexpression">;
590def err_pp_expr_bad_token_lparen : Error<
591  "function-like macro %0 is not defined">;
592def err_pp_expr_bad_token_start_expr : Error<
593  "invalid token at start of a preprocessor expression">;
594def err_pp_invalid_poison : Error<"can only poison identifier tokens">;
595def err_pp_used_poisoned_id : Error<"attempt to use a poisoned identifier">;
596
597def err_feature_check_malformed : Error<
598  "builtin feature check macro requires a parenthesized identifier">;
599
600def warn_has_warning_invalid_option :
601   ExtWarn<"__has_warning expected option name (e.g. \"-Wundef\")">,
602   InGroup<MalformedWarningCheck>;
603
604def err_pp_identifier_arg_not_identifier : Error<
605  "cannot convert %0 token to an identifier">;
606
607def warn_pragma_include_alias_mismatch_angle :
608   ExtWarn<"angle-bracketed include <%0> cannot be aliased to double-quoted "
609   "include \"%1\"">, InGroup<UnknownPragmas>;
610def warn_pragma_include_alias_mismatch_quote :
611   ExtWarn<"double-quoted include \"%0\" cannot be aliased to angle-bracketed "
612   "include <%1>">, InGroup<UnknownPragmas>;
613def warn_pragma_include_alias_expected :
614   ExtWarn<"pragma include_alias expected '%0'">,
615   InGroup<UnknownPragmas>;
616def warn_pragma_include_alias_expected_filename :
617   ExtWarn<"pragma include_alias expected include filename">,
618   InGroup<UnknownPragmas>;
619
620// - #pragma warning(...)
621def warn_pragma_warning_expected :
622  ExtWarn<"#pragma warning expected '%0'">,
623  InGroup<UnknownPragmas>;
624def warn_pragma_warning_spec_invalid :
625  ExtWarn<"#pragma warning expected 'push', 'pop', 'default', 'disable',"
626          " 'error', 'once', 'suppress', 1, 2, 3, or 4">,
627  InGroup<UnknownPragmas>;
628def warn_pragma_warning_push_level :
629  ExtWarn<"#pragma warning(push, level) requires a level between 0 and 4">,
630  InGroup<UnknownPragmas>;
631def warn_pragma_warning_expected_number :
632  ExtWarn<"#pragma warning expected a warning number">,
633  InGroup<UnknownPragmas>;
634
635// - #pragma deprecated(...)
636def warn_pragma_deprecated_macro_use :
637  ExtWarn<"macro %0 has been marked as deprecated%select{|: %2}1">,
638  InGroup<DeprecatedPragma>;
639
640// - #pragma clang restrict_expansion(...)
641def warn_pragma_restrict_expansion_macro_use :
642  ExtWarn<"macro %0 has been marked as unsafe for use in headers"
643          "%select{|: %2}1">,
644  InGroup<RestrictExpansionMacro>;
645
646// - Note for macro annotations.
647def note_pp_macro_annotation :
648  Note<"macro marked '%select{deprecated|restrict_expansion|final}0' here">;
649
650// - #pragma clang final(...)
651def warn_pragma_final_macro :
652  ExtWarn<"macro %0 has been marked as final and should not be "
653          "%select{undefined|redefined}1">,
654  InGroup<FinalMacro>,  ShowInSystemHeader;
655
656// - #pragma execution_character_set(...)
657def warn_pragma_exec_charset_expected :
658  ExtWarn<"#pragma execution_character_set expected '%0'">,
659  InGroup<UnknownPragmas>;
660def warn_pragma_exec_charset_spec_invalid :
661  ExtWarn<"#pragma execution_character_set expected 'push' or 'pop'">,
662  InGroup<UnknownPragmas>;
663def warn_pragma_exec_charset_push_invalid :
664   ExtWarn<"#pragma execution_character_set invalid value '%0', only 'UTF-8' is supported">,
665   InGroup<UnknownPragmas>;
666
667def err__Pragma_malformed : Error<
668  "_Pragma takes a parenthesized string literal">;
669def err_pragma_message_malformed : Error<
670  "pragma %select{message|warning|error}0 requires parenthesized string">;
671def err_pragma_push_pop_macro_malformed : Error<
672   "pragma %0 requires a parenthesized string">;
673def warn_pragma_pop_macro_no_push : Warning<
674   "pragma pop_macro could not pop '%0', no matching push_macro">,
675  InGroup<IgnoredPragmas>;
676def warn_pragma_message : Warning<"%0">,
677   InGroup<PoundPragmaMessage>, DefaultWarnNoWerror;
678def err_pragma_message : Error<"%0">;
679def warn_pragma_ignored : Warning<"unknown pragma ignored">,
680   InGroup<UnknownPragmas>, DefaultIgnore;
681def ext_on_off_switch_syntax :
682   ExtWarn<"expected 'ON' or 'OFF' or 'DEFAULT' in pragma">,
683   InGroup<UnknownPragmas>;
684def ext_pragma_syntax_eod :
685   ExtWarn<"expected end of directive in pragma">,
686   InGroup<UnknownPragmas>;
687def warn_pragma_diagnostic_invalid :
688   ExtWarn<"pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal',"
689            " 'push', or 'pop'">,
690   InGroup<UnknownPragmas>;
691def warn_pragma_diagnostic_cannot_pop :
692   ExtWarn<"pragma diagnostic pop could not pop, no matching push">,
693   InGroup<UnknownPragmas>;
694def warn_pragma_diagnostic_invalid_option :
695   ExtWarn<"pragma diagnostic expected option name (e.g. \"-Wundef\")">,
696   InGroup<UnknownPragmas>;
697def warn_pragma_diagnostic_invalid_token :
698   ExtWarn<"unexpected token in pragma diagnostic">,
699   InGroup<UnknownPragmas>;
700def warn_pragma_diagnostic_unknown_warning :
701   ExtWarn<"unknown warning group '%0', ignored">,
702   InGroup<UnknownWarningOption>;
703// - #pragma __debug
704def warn_pragma_debug_missing_command : Warning<
705  "missing debug command">, InGroup<IgnoredPragmas>;
706def warn_pragma_debug_unexpected_command : Warning<
707  "unexpected debug command '%0'">, InGroup<IgnoredPragmas>;
708def warn_pragma_debug_unknown_module : Warning<
709  "unknown module '%0'">, InGroup<IgnoredPragmas>;
710// #pragma module
711def err_pp_expected_module_name : Error<
712  "expected %select{identifier after '.' in |}0module name">;
713def err_pp_module_begin_wrong_module : Error<
714  "must specify '-fmodule-name=%0' to enter %select{|submodule of }1"
715  "this module%select{ (current module is %3)|}2">;
716def err_pp_module_begin_no_module_map : Error<
717  "no module map available for module %0">;
718def err_pp_module_begin_no_submodule : Error<
719  "submodule %0.%1 not declared in module map">;
720def err_pp_module_begin_without_module_end : Error<
721  "no matching '#pragma clang module end' for this "
722  "'#pragma clang module begin'">;
723def err_pp_module_end_without_module_begin : Error<
724  "no matching '#pragma clang module begin' for this "
725  "'#pragma clang module end'">;
726def note_pp_module_begin_here : Note<
727  "entering module '%0' due to this pragma">;
728def err_pp_module_build_missing_end : Error<
729  "no matching '#pragma clang module endbuild' for this '#pragma clang module build'">;
730
731def err_defined_macro_name : Error<"'defined' cannot be used as a macro name">;
732def err_defined_in_pp_embed : Error<
733  "'defined' cannot appear within this context">;
734def err_paste_at_start : Error<
735  "'##' cannot appear at start of macro expansion">;
736def err_paste_at_end : Error<"'##' cannot appear at end of macro expansion">;
737def ext_paste_comma : Extension<
738  "token pasting of ',' and __VA_ARGS__ is a GNU extension">, InGroup<GNUZeroVariadicMacroArguments>;
739def err_unterm_macro_invoc : Error<
740  "unterminated function-like macro invocation">;
741def err_too_many_args_in_macro_invoc : Error<
742  "too many arguments provided to function-like macro invocation">;
743def note_suggest_parens_for_macro : Note<
744  "parentheses are required around macro argument containing braced "
745  "initializer list">;
746def note_init_list_at_beginning_of_macro_argument : Note<
747  "cannot use initializer list at the beginning of a macro argument">;
748def err_too_few_args_in_macro_invoc : Error<
749  "too few arguments provided to function-like macro invocation">;
750def err_pp_bad_paste : Error<
751  "pasting formed '%0', an invalid preprocessing token">;
752def ext_pp_bad_paste_ms : ExtWarn<
753  "pasting formed '%0', an invalid preprocessing token">, DefaultError,
754  InGroup<DiagGroup<"invalid-token-paste">>;
755def err_pp_operator_used_as_macro_name : Error<
756  "C++ operator %0 (aka %1) used as a macro name">;
757def ext_pp_operator_used_as_macro_name : Extension<
758  err_pp_operator_used_as_macro_name.Summary>, InGroup<MicrosoftCppMacro>;
759def err_pp_illegal_floating_literal : Error<
760  "floating point literal in preprocessor expression">;
761def err_pp_line_requires_integer : Error<
762  "#line directive requires a positive integer argument">;
763def ext_pp_line_zero : Extension<
764  "#line directive with zero argument is a GNU extension">,
765  InGroup<GNUZeroLineDirective>;
766def err_pp_line_invalid_filename : Error<
767  "invalid filename for #line directive">;
768def warn_pp_line_decimal : Warning<
769  "%select{#line|GNU line marker}0 directive interprets number as decimal, not octal">;
770def err_pp_line_digit_sequence : Error<
771  "%select{#line|GNU line marker}0 directive requires a simple digit sequence">;
772def err_pp_linemarker_requires_integer : Error<
773  "line marker directive requires a positive integer argument">;
774def err_pp_linemarker_invalid_filename : Error<
775  "invalid filename for line marker directive">;
776def err_pp_linemarker_invalid_flag : Error<
777  "invalid flag line marker directive">;
778def err_pp_linemarker_invalid_pop : Error<
779  "invalid line marker flag '2': cannot pop empty include stack">;
780def ext_pp_line_too_big : Extension<
781  "C requires #line number to be less than %0, allowed as extension">;
782def warn_cxx98_compat_pp_line_too_big : Warning<
783  "#line number greater than 32767 is incompatible with C++98">,
784  InGroup<CXX98CompatPedantic>, DefaultIgnore;
785
786def warn_c23_compat_pp_directive : Warning<
787  "use of a '#%select{<BUG IF SEEN>|elifdef|elifndef}0' directive "
788  "is incompatible with C standards before C23">,
789  InGroup<CPre23Compat>, DefaultIgnore;
790def ext_c23_pp_directive : ExtWarn<
791  "use of a '#%select{<BUG IF SEEN>|elifdef|elifndef}0' directive "
792  "is a C23 extension">,
793  InGroup<C23>;
794def warn_cxx23_compat_pp_directive : Warning<
795  "use of a '#%select{<BUG IF SEEN>|elifdef|elifndef}0' directive "
796  "is incompatible with C++ standards before C++23">,
797  InGroup<CXXPre23Compat>, DefaultIgnore;
798def ext_cxx23_pp_directive : ExtWarn<
799  "use of a '#%select{<BUG IF SEEN>|elifdef|elifndef}0' directive "
800  "is a C++23 extension">,
801  InGroup<CXX23>;
802
803def err_pp_visibility_non_macro : Error<"no macro named %0">;
804
805def err_pp_arc_cf_code_audited_syntax : Error<"expected 'begin' or 'end'">;
806def err_pp_double_begin_of_arc_cf_code_audited : Error<
807  "already inside '#pragma clang arc_cf_code_audited'">;
808def err_pp_unmatched_end_of_arc_cf_code_audited : Error<
809  "not currently inside '#pragma clang arc_cf_code_audited'">;
810def err_pp_include_in_arc_cf_code_audited : Error<
811  "cannot %select{#include files|import headers}0 "
812  "inside '#pragma clang arc_cf_code_audited'">;
813def err_pp_eof_in_arc_cf_code_audited : Error<
814  "'#pragma clang arc_cf_code_audited' was not ended within this file">;
815
816def warn_pp_date_time : Warning<
817  "expansion of date or time macro is not reproducible">,
818  ShowInSystemHeader, DefaultIgnore, InGroup<DiagGroup<"date-time">>;
819
820// Module map parsing
821def err_mmap_unknown_token : Error<"skipping stray token">;
822def err_mmap_expected_module : Error<"expected module declaration">;
823def err_mmap_expected_module_name : Error<"expected module name">;
824def err_mmap_expected_lbrace : Error<"expected '{' to start module '%0'">;
825def err_mmap_expected_rbrace : Error<"expected '}'">;
826def note_mmap_lbrace_match : Note<"to match this '{'">;
827def err_mmap_expected_rsquare : Error<"expected ']' to close attribute">;
828def note_mmap_lsquare_match : Note<"to match this ']'">;
829def err_mmap_expected_member : Error<
830  "expected umbrella, header, submodule, or module export">;
831def err_mmap_expected_header : Error<"expected a header name after '%0'">;
832def err_mmap_expected_mmap_file : Error<"expected a module map file name">;
833def err_mmap_module_redefinition : Error<
834  "redefinition of module '%0'">;
835def note_mmap_prev_definition : Note<"previously defined here">;
836def err_mmap_umbrella_clash : Error<
837  "umbrella for module '%0' already covers this directory">;
838def err_mmap_module_id : Error<
839  "expected a module name or '*'">;
840def err_mmap_expected_library_name : Error<
841  "expected %select{library|framework}0 name as a string">;
842def err_mmap_config_macro_submodule : Error<
843  "configuration macros are only allowed in top-level modules">;
844def err_mmap_use_decl_submodule : Error<
845  "use declarations are only allowed in top-level modules">;
846def err_mmap_expected_config_macro : Error<
847  "expected configuration macro name after ','">;
848def err_mmap_expected_conflicts_comma : Error<
849  "expected ',' after conflicting module name">;
850def err_mmap_expected_conflicts_message : Error<
851  "expected a message describing the conflict with '%0'">;
852def err_mmap_missing_module_unqualified : Error<
853  "no module named '%0' visible from '%1'">;
854def err_mmap_missing_module_qualified : Error<
855  "no module named '%0' in '%1'">;
856def err_mmap_missing_parent_module: Error<
857  "no module named '%0' %select{found|in '%2'}1, "
858  "parent module must be defined before the submodule">;
859def err_mmap_top_level_inferred_submodule : Error<
860  "only submodules and framework modules may be inferred with wildcard syntax">;
861def err_mmap_inferred_no_umbrella : Error<
862  "inferred submodules require a module with an umbrella">;
863def err_mmap_inferred_framework_submodule : Error<
864  "inferred submodule cannot be a framework submodule">;
865def err_mmap_explicit_inferred_framework : Error<
866  "inferred framework modules cannot be 'explicit'">;
867def err_mmap_missing_exclude_name : Error<
868  "expected excluded module name">;
869def err_mmap_inferred_redef : Error<
870  "redefinition of inferred submodule">;
871def err_mmap_expected_lbrace_wildcard : Error<
872  "expected '{' to start inferred submodule">;
873def err_mmap_expected_inferred_member : Error<
874  "expected %select{module exclusion with 'exclude'|'export *'}0">;
875def err_mmap_expected_export_wildcard : Error<
876  "only '*' can be exported from an inferred submodule">;
877def err_mmap_explicit_top_level : Error<
878  "'explicit' is not permitted on top-level modules">;
879def err_mmap_nested_submodule_id : Error<
880  "qualified module name can only be used to define modules at the top level">;
881def err_mmap_expected_feature : Error<"expected a feature name">;
882def err_mmap_expected_attribute : Error<"expected an attribute name">;
883def warn_mmap_unknown_attribute : Warning<"unknown attribute '%0'">,
884  InGroup<IgnoredAttributes>;
885def warn_mmap_mismatched_private_submodule : Warning<
886  "private submodule '%0' in private module map, expected top-level module">,
887  InGroup<PrivateModule>;
888def warn_mmap_mismatched_private_module_name : Warning<
889  "expected canonical name for private module '%0'">,
890  InGroup<PrivateModule>;
891def note_mmap_rename_top_level_private_module : Note<
892  "rename '%0' to ensure it can be found by name">;
893def warn_mmap_incomplete_framework_module_declaration : Warning<
894  "skipping '%0' because module declaration of '%1' lacks the 'framework' qualifier">,
895  InGroup<IncompleteFrameworkModuleDeclaration>;
896def note_mmap_add_framework_keyword : Note<
897  "use 'framework module' to declare module '%0'">;
898
899def err_mmap_duplicate_header_attribute : Error<
900  "header attribute '%0' specified multiple times">;
901def err_mmap_invalid_header_attribute_value : Error<
902  "expected integer literal as value for header attribute '%0'">;
903def err_mmap_expected_header_attribute : Error<
904  "expected a header attribute name ('size' or 'mtime')">;
905def err_mmap_conflicting_export_as : Error<
906  "conflicting re-export of module '%0' as '%1' or '%2'">;
907def warn_mmap_redundant_export_as : Warning<
908  "module '%0' already re-exported as '%1'">,
909  InGroup<PrivateModule>;
910def err_mmap_submodule_export_as : Error<
911  "only top-level modules can be re-exported as public">;
912
913def warn_quoted_include_in_framework_header : Warning<
914  "double-quoted include \"%0\" in framework header, "
915  "expected angle-bracketed instead"
916  >, InGroup<FrameworkHdrQuotedInclude>, DefaultIgnore;
917def warn_framework_include_private_from_public : Warning<
918  "public framework header includes private framework header '%0'"
919  >, InGroup<FrameworkIncludePrivateFromPublic>;
920def warn_deprecated_module_dot_map : Warning<
921  "'%0' as a module map name is deprecated, rename it to %select{module.modulemap|module.private.modulemap}1%select{| in the 'Modules' directory of the framework}2">,
922  InGroup<DeprecatedModuleDotMap>;
923
924def remark_pp_include_directive_modular_translation : Remark<
925  "treating #%select{include|import|include_next|__include_macros}0 as an "
926  "import of module '%1'">, InGroup<ModuleIncludeDirectiveTranslation>;
927def note_implicit_top_level_module_import_here : Note<
928  "submodule of top-level module '%0' implicitly imported here">;
929def warn_uncovered_module_header : Warning<
930  "umbrella header for module '%0' does not include header '%1'">,
931  InGroup<IncompleteUmbrella>;
932def warn_mmap_umbrella_dir_not_found : Warning<
933  "umbrella directory '%0' not found">,
934  InGroup<IncompleteUmbrella>;
935def err_expected_id_building_module : Error<
936  "expected a module name in '__building_module' expression">;
937def warn_use_of_private_header_outside_module : Warning<
938  "use of private header from outside its module: '%0'">,
939  InGroup<DiagGroup<"private-header">>, DefaultError;
940def err_undeclared_use_of_module : Error<
941  "module %0 does not depend on a module exporting '%1'">;
942def err_undeclared_use_of_module_indirect : Error<
943  "module %0 does not directly depend on a module exporting '%1', which is part of indirectly-used module %2">;
944def warn_non_modular_include_in_framework_module : Warning<
945  "include of non-modular header inside framework module '%0': '%1'">,
946  InGroup<NonModularIncludeInFrameworkModule>, DefaultIgnore;
947def warn_non_modular_include_in_module : Warning<
948  "include of non-modular header inside module '%0': '%1'">,
949  InGroup<NonModularIncludeInModule>, DefaultIgnore;
950def warn_module_conflict : Warning<
951  "module '%0' conflicts with already-imported module '%1': %2">,
952  InGroup<ModuleConflict>;
953
954// C++20 modules
955def err_header_import_semi_in_macro : Error<
956  "semicolon terminating header import declaration cannot be produced "
957  "by a macro">;
958def err_header_import_not_header_unit : Error<
959  "header file %0 (aka '%1') cannot be imported because "
960  "it is not known to be a header unit">;
961def warn_pp_include_angled_in_module_purview : Warning<
962  "'#include <filename>' attaches the declarations to the named module '%0'"
963  ", which is not usually intended; consider moving that directive before "
964  "the module declaration">,
965  InGroup<DiagGroup<"include-angled-in-module-purview">>;
966
967def warn_header_guard : Warning<
968  "%0 is used as a header guard here, followed by #define of a different macro">,
969  InGroup<DiagGroup<"header-guard">>;
970def note_header_guard : Note<
971  "%0 is defined here; did you mean %1?">;
972
973def warn_defined_in_object_type_macro : Warning<
974  "macro expansion producing 'defined' has undefined behavior">,
975  InGroup<ExpansionToDefined>;
976def warn_defined_in_function_type_macro : Extension<
977  "macro expansion producing 'defined' has undefined behavior">,
978  InGroup<ExpansionToDefined>;
979
980let CategoryName = "Nullability Issue" in {
981
982def err_pp_assume_nonnull_syntax : Error<"expected 'begin' or 'end'">;
983def err_pp_double_begin_of_assume_nonnull : Error<
984  "already inside '#pragma clang assume_nonnull'">;
985def err_pp_unmatched_end_of_assume_nonnull : Error<
986  "not currently inside '#pragma clang assume_nonnull'">;
987def err_pp_include_in_assume_nonnull : Error<
988  "cannot %select{#include files|import headers}0 "
989  "inside '#pragma clang assume_nonnull'">;
990def err_pp_eof_in_assume_nonnull : Error<
991  "'#pragma clang assume_nonnull' was not ended within this file">;
992
993}
994
995let CategoryName = "Dependency Directive Source Scanner Issue" in {
996
997def err_dep_source_scanner_missing_semi_after_at_import : Error<
998  "could not find ';' after @import">;
999def err_dep_source_scanner_unexpected_tokens_at_import : Error<
1000  "unexpected extra tokens at end of @import declaration">;
1001
1002}
1003
1004def err_pp_double_begin_pragma_unsafe_buffer_usage :
1005Error<"already inside '#pragma unsafe_buffer_usage'">;
1006
1007def err_pp_unmatched_end_begin_pragma_unsafe_buffer_usage :
1008Error<"not currently inside '#pragma unsafe_buffer_usage'">;
1009
1010def err_pp_unclosed_pragma_unsafe_buffer_usage :
1011Error<"'#pragma unsafe_buffer_usage' was not ended">;
1012
1013def err_pp_pragma_unsafe_buffer_usage_syntax :
1014Error<"expected 'begin' or 'end'">;
1015}
1016