1//==--- DiagnosticParseKinds.td - libparse 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// Parser Diagnostics
11//===----------------------------------------------------------------------===//
12
13let Component = "Parse" in {
14
15def err_asm_qualifier_ignored : Error<
16  "expected 'volatile', 'inline', 'goto', or '('">, CatInlineAsm;
17def err_global_asm_qualifier_ignored : Error<
18  "meaningless '%0' on asm outside function">, CatInlineAsm;
19
20let CategoryName = "Inline Assembly Issue" in {
21def err_asm_empty : Error<"__asm used with no assembly instructions">;
22def err_inline_ms_asm_parsing : Error<"%0">;
23def err_msasm_unsupported_arch : Error<
24  "Unsupported architecture '%0' for MS-style inline assembly">;
25def err_msasm_unable_to_create_target : Error<
26  "MS-style inline assembly is not available: %0">;
27def err_gnu_inline_asm_disabled : Error<
28  "GNU-style inline assembly is disabled">;
29def err_asm_duplicate_qual : Error<"duplicate asm qualifier '%0'">;
30}
31
32let CategoryName = "Parse Issue" in {
33
34def ext_empty_translation_unit : Extension<
35  "ISO C requires a translation unit to contain at least one declaration">,
36  InGroup<DiagGroup<"empty-translation-unit">>;
37def warn_cxx98_compat_top_level_semi : Warning<
38  "extra ';' outside of a function is incompatible with C++98">,
39  InGroup<CXX98CompatExtraSemi>, DefaultIgnore;
40def ext_extra_semi : Extension<
41  "extra ';' %select{"
42  "outside of a function|"
43  "inside a %1|"
44  "inside instance variable list|"
45  "after member function definition}0">,
46  InGroup<ExtraSemi>;
47def ext_extra_semi_cxx11 : Extension<
48  "extra ';' outside of a function is a C++11 extension">,
49  InGroup<CXX11ExtraSemi>;
50def warn_extra_semi_after_mem_fn_def : Warning<
51  "extra ';' after member function definition">,
52  InGroup<ExtraSemi>, DefaultIgnore;
53def warn_null_statement : Warning<
54  "empty expression statement has no effect; "
55  "remove unnecessary ';' to silence this warning">,
56  InGroup<ExtraSemiStmt>, DefaultIgnore;
57
58def warn_misleading_indentation : Warning<
59  "misleading indentation; statement is not part of "
60  "the previous '%select{if|else|for|while}0'">,
61  InGroup<MisleadingIndentation>, DefaultIgnore;
62def note_previous_statement : Note<
63  "previous statement is here">;
64
65def subst_compound_token_kind : TextSubstitution<
66  "%select{%1 and |}0%2 tokens "
67  "%select{introducing statement expression|terminating statement expression|"
68  "introducing attribute|terminating attribute|"
69  "forming pointer to member type}3">;
70def warn_compound_token_split_by_macro : Warning<
71  "%sub{subst_compound_token_kind}0,1,2,3 appear in different "
72  "macro expansion contexts">, InGroup<CompoundTokenSplitByMacro>;
73def note_compound_token_split_second_token_here : Note<
74  "%select{|second }0%1 token is here">;
75def warn_compound_token_split_by_whitespace : Warning<
76  "%sub{subst_compound_token_kind}0,1,2,3 are separated by whitespace">,
77  InGroup<CompoundTokenSplitBySpace>, DefaultIgnore;
78
79def ext_thread_before : Extension<"'__thread' before '%0'">;
80def ext_keyword_as_ident : ExtWarn<
81  "keyword '%0' will be made available as an identifier "
82  "%select{here|for the remainder of the translation unit}1">,
83  InGroup<KeywordCompat>;
84
85def ext_nullability : Extension<
86  "type nullability specifier %0 is a Clang extension">,
87  InGroup<DiagGroup<"nullability-extension">>;
88
89def err_empty_enum : Error<"use of empty enum">;
90
91def ext_ident_list_in_param : Extension<
92  "type-less parameter names in function declaration">;
93def ext_c99_variable_decl_in_for_loop : Extension<
94  "variable declaration in for loop is a C99-specific feature">, InGroup<C99>;
95def ext_c99_compound_literal : Extension<
96  "compound literals are a C99-specific feature">, InGroup<C99>;
97def ext_enumerator_list_comma_c : Extension<
98  "commas at the end of enumerator lists are a C99-specific "
99  "feature">, InGroup<C99>;
100def ext_enumerator_list_comma_cxx : Extension<
101  "commas at the end of enumerator lists are a C++11 extension">,
102  InGroup<CXX11>;
103def warn_cxx98_compat_enumerator_list_comma : Warning<
104  "commas at the end of enumerator lists are incompatible with C++98">,
105  InGroup<CXX98CompatPedantic>, DefaultIgnore;
106def err_enumerator_list_missing_comma : Error<
107  "missing ',' between enumerators">;
108def err_enumerator_unnamed_no_def : Error<
109  "unnamed enumeration must be a definition">;
110def ext_cxx11_enum_fixed_underlying_type : Extension<
111  "enumeration types with a fixed underlying type are a C++11 extension">,
112  InGroup<CXX11>;
113def ext_ms_c_enum_fixed_underlying_type : Extension<
114  "enumeration types with a fixed underlying type are a Microsoft extension">,
115  InGroup<MicrosoftFixedEnum>;
116def ext_clang_c_enum_fixed_underlying_type : Extension<
117  "enumeration types with a fixed underlying type are a Clang extension">,
118  InGroup<DiagGroup<"fixed-enum-extension">>;
119def warn_cxx98_compat_enum_fixed_underlying_type : Warning<
120  "enumeration types with a fixed underlying type are incompatible with C++98">,
121  InGroup<CXX98Compat>, DefaultIgnore;
122def ext_enum_base_in_type_specifier : ExtWarn<
123  "non-defining declaration of enumeration with a fixed underlying type is "
124  "only permitted as a standalone declaration"
125  "%select{|; missing list of enumerators?}0">,
126  InGroup<DiagGroup<"elaborated-enum-base">>, DefaultError;
127def ext_elaborated_enum_class : ExtWarn<
128  "reference to enumeration must use 'enum' not 'enum %select{struct|class}0'">,
129  InGroup<DiagGroup<"elaborated-enum-class">>, DefaultError;
130def err_scoped_enum_missing_identifier : Error<
131  "scoped enumeration requires a name">;
132def ext_scoped_enum : ExtWarn<
133  "scoped enumerations are a C++11 extension">, InGroup<CXX11>;
134def warn_cxx98_compat_scoped_enum : Warning<
135  "scoped enumerations are incompatible with C++98">,
136  InGroup<CXX98Compat>, DefaultIgnore;
137def err_anonymous_enum_bitfield : Error<
138  "ISO C++ only allows ':' in member enumeration declaration to introduce "
139  "a fixed underlying type, not an anonymous bit-field">;
140
141def warn_cxx98_compat_alignof : Warning<
142  "alignof expressions are incompatible with C++98">,
143  InGroup<CXX98Compat>, DefaultIgnore;
144def ext_alignof_expr : ExtWarn<
145  "%0 applied to an expression is a GNU extension">, InGroup<GNUAlignofExpression>;
146def err_lambda_after_delete : Error<
147  "'[]' after delete interpreted as 'delete[]'; add parentheses to treat this as a lambda-expression">;
148
149def warn_microsoft_dependent_exists : Warning<
150  "dependent %select{__if_not_exists|__if_exists}0 declarations are ignored">,
151  InGroup<DiagGroup<"microsoft-exists">>;
152def warn_microsoft_qualifiers_ignored : Warning<
153  "qualifiers after comma in declarator list are ignored">,
154  InGroup<IgnoredAttributes>;
155
156def err_duplicate_default_assoc : Error<
157  "duplicate default generic association">;
158def note_previous_default_assoc : Note<
159  "previous default generic association is here">;
160
161def ext_c99_feature : Extension<
162  "'%0' is a C99 extension">, InGroup<C99>;
163def ext_c11_feature : Extension<
164  "'%0' is a C11 extension">, InGroup<C11>;
165
166def err_c11_noreturn_misplaced : Error<
167  "'_Noreturn' keyword must precede function declarator">;
168
169def ext_gnu_indirect_goto : Extension<
170  "use of GNU indirect-goto extension">, InGroup<GNULabelsAsValue>;
171def ext_gnu_address_of_label : Extension<
172  "use of GNU address-of-label extension">, InGroup<GNULabelsAsValue>;
173def err_stmtexpr_file_scope : Error<
174  "statement expression not allowed at file scope">;
175def ext_gnu_statement_expr : Extension<
176  "use of GNU statement expression extension">, InGroup<GNUStatementExpression>;
177def ext_gnu_conditional_expr : Extension<
178  "use of GNU ?: conditional expression extension, omitting middle operand">, InGroup<GNUConditionalOmittedOperand>;
179def ext_gnu_empty_initializer : Extension<
180  "use of GNU empty initializer extension">, InGroup<GNUEmptyInitializer>;
181def ext_gnu_array_range : Extension<"use of GNU array range extension">,
182  InGroup<GNUDesignator>;
183def ext_gnu_missing_equal_designator : ExtWarn<
184  "use of GNU 'missing =' extension in designator">,
185  InGroup<GNUDesignator>;
186def err_expected_equal_designator : Error<"expected '=' or another designator">;
187def ext_gnu_old_style_field_designator : ExtWarn<
188  "use of GNU old-style field designator extension">,
189  InGroup<GNUDesignator>;
190def ext_gnu_case_range : Extension<"use of GNU case range extension">,
191  InGroup<GNUCaseRange>;
192
193// Generic errors.
194def err_expected_expression : Error<"expected expression">;
195def err_expected_type : Error<"expected a type">;
196def err_expected_external_declaration : Error<"expected external declaration">;
197def err_extraneous_closing_brace : Error<"extraneous closing brace ('}')">;
198def err_expected_semi_declaration : Error<
199  "expected ';' at end of declaration">;
200def err_expected_semi_decl_list : Error<
201  "expected ';' at end of declaration list">;
202def ext_expected_semi_decl_list : ExtWarn<
203  "expected ';' at end of declaration list">;
204def err_expected_member_name_or_semi : Error<
205  "expected member name or ';' after declaration specifiers">;
206def err_function_declared_typedef : Error<
207  "function definition declared 'typedef'">;
208def err_at_defs_cxx : Error<"@defs is not supported in Objective-C++">;
209def err_at_in_class : Error<"unexpected '@' in member specification">;
210def err_unexpected_semi : Error<"unexpected ';' before %0">;
211def err_postfix_after_unary_requires_parens : Error<
212  "expression cannot be followed by a postfix %0 operator; add parentheses">;
213def err_unparenthesized_non_primary_expr_in_requires_clause : Error<
214  "parentheses are required around this expression in a requires clause">;
215def note_unparenthesized_non_primary_expr_in_requires_clause : Note<
216  "parentheses are required around this expression in a requires clause">;
217
218def err_expected_fn_body : Error<
219  "expected function body after function declarator">;
220def warn_attribute_on_function_definition : Warning<
221  "GCC does not allow %0 attribute in this position on a function definition">,
222  InGroup<GccCompat>;
223def warn_gcc_attribute_location : Warning<
224  "GCC does not allow an attribute in this position on a function declaration">,
225  InGroup<GccCompat>;
226def warn_gcc_variable_decl_in_for_loop : Warning<
227  "GCC does not allow variable declarations in for loop initializers before "
228  "C99">, InGroup<GccCompat>;
229def warn_attribute_no_decl : Warning<
230  "attribute %0 ignored, because it is not attached to a declaration">,
231  InGroup<IgnoredAttributes>;
232def err_ms_attributes_not_enabled : Error<
233  "'__declspec' attributes are not enabled; use '-fdeclspec' or "
234  "'-fms-extensions' to enable support for __declspec attributes">;
235def err_expected_method_body : Error<"expected method body">;
236def err_declspec_after_virtspec : Error<
237  "'%0' qualifier may not appear after the virtual specifier '%1'">;
238def err_invalid_token_after_toplevel_declarator : Error<
239  "expected ';' after top level declarator">;
240def err_invalid_token_after_declarator_suggest_equal : Error<
241  "invalid %0 at end of declaration; did you mean '='?">;
242def err_expected_statement : Error<"expected statement">;
243def err_expected_lparen_after : Error<"expected '(' after '%0'">;
244def err_expected_rparen_after : Error<"expected ')' after '%0'">;
245def err_expected_punc : Error<"expected ')' or ',' after '%0'">;
246def err_expected_less_after : Error<"expected '<' after '%0'">;
247def err_expected_lbrace_in_compound_literal : Error<
248  "expected '{' in compound literal">;
249def err_expected_while : Error<"expected 'while' in do/while loop">;
250
251def err_expected_semi_after_stmt : Error<"expected ';' after %0 statement">;
252def err_expected_semi_after_expr : Error<"expected ';' after expression">;
253def err_extraneous_token_before_semi : Error<"extraneous '%0' before ';'">;
254
255def err_expected_semi_after_method_proto : Error<
256  "expected ';' after method prototype">;
257def err_expected_semi_after_namespace_name : Error<
258  "expected ';' after namespace name">;
259def err_unexpected_namespace_attributes_alias : Error<
260  "attributes cannot be specified on namespace alias">;
261def err_unexpected_nested_namespace_attribute : Error<
262  "attributes cannot be specified on a nested namespace definition">;
263def err_inline_namespace_alias : Error<"namespace alias cannot be inline">;
264def err_namespace_nonnamespace_scope : Error<
265  "namespaces can only be defined in global or namespace scope">;
266def ext_nested_namespace_definition : ExtWarn<
267  "nested namespace definition is a C++17 extension; "
268  "define each namespace separately">, InGroup<CXX17>;
269def warn_cxx14_compat_nested_namespace_definition : Warning<
270  "nested namespace definition is incompatible with C++ standards before C++17">,
271  InGroup<CXXPre17Compat>, DefaultIgnore;
272def ext_inline_nested_namespace_definition : ExtWarn<
273  "inline nested namespace definition is a C++20 extension">, InGroup<CXX20>;
274def warn_cxx17_compat_inline_nested_namespace_definition : Warning<
275  "inline nested namespace definition is incompatible with C++ standards before"
276  " C++20">, InGroup<CXXPre20Compat>, DefaultIgnore;
277def err_inline_nested_namespace_definition : Error<
278  "nested namespace definition cannot be 'inline'">;
279def err_expected_semi_after_attribute_list : Error<
280  "expected ';' after attribute list">;
281def err_expected_semi_after_static_assert : Error<
282  "expected ';' after static_assert">;
283def err_expected_semi_for : Error<"expected ';' in 'for' statement specifier">;
284def err_single_decl_assign_in_for_range : Error<
285  "range-based 'for' statement uses ':', not '='">;
286def warn_missing_selector_name : Warning<
287  "%0 used as the name of the previous parameter rather than as part "
288  "of the selector">,
289  InGroup<DiagGroup<"missing-selector-name">>;
290def note_missing_selector_name : Note<
291  "introduce a parameter name to make %0 part of the selector">;
292def note_force_empty_selector_name : Note<
293  "or insert whitespace before ':' to use %0 as parameter name "
294  "and have an empty entry in the selector">;
295def err_label_end_of_compound_statement : Error<
296  "label at end of compound statement: expected statement">;
297def err_address_of_label_outside_fn : Error<
298  "use of address-of-label extension outside of a function body">;
299def err_asm_operand_wide_string_literal : Error<
300  "cannot use %select{unicode|wide|an empty}0 string literal in 'asm'">;
301def err_expected_selector_for_method : Error<
302  "expected selector for Objective-C method">;
303def err_expected_property_name : Error<"expected property name">;
304
305def err_unexpected_at : Error<"unexpected '@' in program">;
306def err_atimport : Error<
307"use of '@import' when modules are disabled">;
308
309def warn_atimport_in_framework_header : Warning<
310  "use of '@import' in framework header is discouraged, "
311  "including this header requires -fmodules">,
312  InGroup<FrameworkHdrAtImport>;
313
314def err_invalid_reference_qualifier_application : Error<
315  "'%0' qualifier may not be applied to a reference">;
316def err_illegal_decl_reference_to_reference : Error<
317  "%0 declared as a reference to a reference">;
318def ext_rvalue_reference : ExtWarn<
319  "rvalue references are a C++11 extension">, InGroup<CXX11>;
320def warn_cxx98_compat_rvalue_reference : Warning<
321  "rvalue references are incompatible with C++98">,
322  InGroup<CXX98Compat>, DefaultIgnore;
323def ext_ref_qualifier : ExtWarn<
324  "reference qualifiers on functions are a C++11 extension">, InGroup<CXX11>;
325def warn_cxx98_compat_ref_qualifier : Warning<
326  "reference qualifiers on functions are incompatible with C++98">,
327  InGroup<CXX98Compat>, DefaultIgnore;
328def ext_inline_namespace : ExtWarn<
329  "inline namespaces are a C++11 feature">, InGroup<CXX11InlineNamespace>;
330def warn_cxx98_compat_inline_namespace : Warning<
331  "inline namespaces are incompatible with C++98">,
332  InGroup<CXX98Compat>, DefaultIgnore;
333def ext_generalized_initializer_lists : ExtWarn<
334  "generalized initializer lists are a C++11 extension">,
335  InGroup<CXX11>;
336def warn_cxx98_compat_generalized_initializer_lists : Warning<
337  "generalized initializer lists are incompatible with C++98">,
338  InGroup<CXX98Compat>, DefaultIgnore;
339def err_init_list_bin_op : Error<"initializer list cannot be used on the "
340  "%select{left|right}0 hand side of operator '%1'">;
341def warn_cxx98_compat_trailing_return_type : Warning<
342  "trailing return types are incompatible with C++98">,
343  InGroup<CXX98Compat>, DefaultIgnore;
344def err_requires_clause_must_appear_after_trailing_return : Error<
345  "trailing return type must appear before trailing requires clause">;
346def err_requires_clause_on_declarator_not_declaring_a_function : Error<
347  "trailing requires clause can only be used when declaring a function">;
348def err_requires_clause_inside_parens : Error<
349  "trailing requires clause should be placed outside parentheses">;
350def ext_auto_storage_class : ExtWarn<
351  "'auto' storage class specifier is not permitted in C++11, and will not "
352  "be supported in future releases">, InGroup<DiagGroup<"auto-storage-class">>;
353def ext_decltype_auto_type_specifier : ExtWarn<
354  "'decltype(auto)' type specifier is a C++14 extension">, InGroup<CXX14>;
355def warn_cxx11_compat_decltype_auto_type_specifier : Warning<
356  "'decltype(auto)' type specifier is incompatible with C++ standards before "
357  "C++14">, InGroup<CXXPre14Compat>, DefaultIgnore;
358def ext_auto_type : Extension<
359  "'__auto_type' is a GNU extension">,
360  InGroup<GNUAutoType>;
361def ext_for_range : ExtWarn<
362  "range-based for loop is a C++11 extension">, InGroup<CXX11>;
363def warn_cxx98_compat_for_range : Warning<
364  "range-based for loop is incompatible with C++98">,
365  InGroup<CXX98Compat>, DefaultIgnore;
366def err_for_range_identifier : Error<
367  "range-based for loop requires type for loop variable">;
368def err_for_range_expected_decl : Error<
369  "for range declaration must declare a variable">;
370def err_argument_required_after_attribute : Error<
371  "argument required after attribute">;
372def err_missing_param : Error<"expected parameter declarator">;
373def err_function_scope_depth_exceeded : Error<
374  "function scope depth exceeded maximum of %0">, DefaultFatal;
375def err_missing_comma_before_ellipsis : Error<
376  "C requires a comma prior to the ellipsis in a variadic function type">;
377def err_unexpected_typedef_ident : Error<
378  "unexpected type name %0: expected identifier">;
379def warn_cxx98_compat_decltype : Warning<
380  "'decltype' type specifier is incompatible with C++98">,
381  InGroup<CXX98Compat>, DefaultIgnore;
382def err_unexpected_scope_on_base_decltype : Error<
383  "unexpected namespace scope prior to decltype">;
384def err_expected_class_name : Error<"expected class name">;
385def err_expected_class_name_not_template :
386  Error<"'typename' is redundant; base classes are implicitly types">;
387def err_unspecified_vla_size_with_static : Error<
388  "'static' may not be used with an unspecified variable length array size">;
389def err_unspecified_size_with_static : Error<
390  "'static' may not be used without an array size">;
391def err_expected_parentheses_around_typename : Error<
392  "expected parentheses around type name in %0 expression">;
393
394def err_expected_case_before_expression: Error<
395  "expected 'case' keyword before expression">;
396
397def ext_warn_gnu_final : ExtWarn<
398  "__final is a GNU extension, consider using C++11 final">,
399  InGroup<GccCompat>;
400
401// Declarations.
402def err_typename_requires_specqual : Error<
403  "type name requires a specifier or qualifier">;
404def err_typename_invalid_storageclass : Error<
405  "type name does not allow storage class to be specified">;
406def err_typename_invalid_functionspec : Error<
407  "type name does not allow function specifier to be specified">;
408def err_typename_invalid_constexpr : Error<
409  "type name does not allow %sub{select_constexpr_spec_kind}0 specifier "
410  "to be specified">;
411def err_typename_identifiers_only : Error<
412  "typename is allowed for identifiers only">;
413
414def err_friend_invalid_in_context : Error<
415  "'friend' used outside of class">;
416def err_templated_using_directive_declaration : Error<
417  "cannot template a using %select{directive|declaration}0">;
418def err_unexpected_colon_in_nested_name_spec : Error<
419  "unexpected ':' in nested name specifier; did you mean '::'?">;
420def err_unexpected_token_in_nested_name_spec : Error<
421  "'%0' cannot be a part of nested name specifier; did you mean ':'?">;
422def err_bool_redeclaration : Error<
423  "redeclaration of C++ built-in type 'bool'">;
424def warn_cxx98_compat_static_assert : Warning<
425  "static_assert declarations are incompatible with C++98">,
426  InGroup<CXX98Compat>, DefaultIgnore;
427def ext_static_assert_no_message : ExtWarn<
428  "static_assert with no message is a C++17 extension">, InGroup<CXX17>;
429def warn_cxx14_compat_static_assert_no_message : Warning<
430  "static_assert with no message is incompatible with C++ standards before "
431  "C++17">,
432  DefaultIgnore, InGroup<CXXPre17Compat>;
433def err_function_definition_not_allowed : Error<
434  "function definition is not allowed here">;
435def err_expected_end_of_enumerator : Error<
436  "expected '= constant-expression' or end of enumerator definition">;
437def err_expected_coloncolon_after_super : Error<
438  "expected '::' after '__super'">;
439
440def ext_decomp_decl_empty : ExtWarn<
441  "ISO C++17 does not allow a decomposition group to be empty">,
442  InGroup<DiagGroup<"empty-decomposition">>;
443
444/// Objective-C parser diagnostics
445def err_expected_minus_or_plus : Error<
446  "method type specifier must start with '-' or '+'">;
447def err_objc_missing_end : Error<"missing '@end'">;
448def note_objc_container_start : Note<
449  "%select{class|protocol|category|class extension|implementation"
450  "|category implementation}0 started here">;
451def warn_objc_protocol_qualifier_missing_id : Warning<
452  "protocol has no object type specified; defaults to qualified 'id'">;
453def err_objc_unknown_at : Error<"expected an Objective-C directive after '@'">;
454def err_illegal_super_cast : Error<
455  "cannot cast 'super' (it isn't an expression)">;
456def err_nsnumber_nonliteral_unary : Error<
457  "@%0 must be followed by a number to form an NSNumber object">;
458def warn_cstyle_param : Warning<
459  "use of C-style parameters in Objective-C method declarations"
460  " is deprecated">, InGroup<DeprecatedDeclarations>;
461
462let CategoryName = "ARC Parse Issue" in {
463def err_arc_bridge_retain : Error<
464  "unknown cast annotation __bridge_retain; did you mean __bridge_retained?">;
465// To be default mapped to an error later.
466def warn_arc_bridge_cast_nonarc : Warning<
467  "'%0' casts have no effect when not using ARC">,
468  InGroup<DiagGroup<"arc-bridge-casts-disallowed-in-nonarc">>;
469}
470
471def err_objc_illegal_visibility_spec : Error<
472  "illegal visibility specification">;
473def err_objc_illegal_interface_qual : Error<"illegal interface qualifier">;
474def err_objc_expected_equal_for_getter : Error<
475  "expected '=' for Objective-C getter">;
476def err_objc_expected_equal_for_setter : Error<
477  "expected '=' for Objective-C setter">;
478def err_objc_expected_selector_for_getter_setter : Error<
479  "expected selector for Objective-C %select{setter|getter}0">;
480def err_objc_property_requires_field_name : Error<
481  "property requires fields to be named">;
482def err_objc_property_bitfield : Error<"property name cannot be a bit-field">;
483def err_objc_expected_property_attr : Error<"unknown property attribute %0">;
484def err_objc_unexpected_attr : Error<
485  "prefix attribute must be followed by an interface, protocol, or implementation">;
486def err_objc_postfix_attribute : Error <
487  "postfix attributes are not allowed on Objective-C directives">;
488def err_objc_postfix_attribute_hint : Error <
489  "postfix attributes are not allowed on Objective-C directives, place"
490  " them in front of '%select{@interface|@protocol}0'">;
491def err_objc_directive_only_in_protocol : Error<
492  "directive may only be specified in protocols only">;
493def err_missing_catch_finally : Error<
494  "@try statement without a @catch and @finally clause">;
495def err_objc_concat_string : Error<"unexpected token after Objective-C string">;
496def err_expected_objc_container : Error<
497  "'@end' must appear in an Objective-C context">;
498def err_unexpected_protocol_qualifier : Error<
499  "@implementation declaration cannot be protocol qualified">;
500def err_objc_unexpected_atend : Error<
501  "'@end' appears where closing brace '}' is expected">;
502def err_synthesized_property_name : Error<
503  "expected a property name in @synthesize">;
504def warn_semicolon_before_method_body : Warning<
505  "semicolon before method body is ignored">,
506  InGroup<SemiBeforeMethodBody>, DefaultIgnore;
507def note_extra_comma_message_arg : Note<
508  "comma separating Objective-C messaging arguments">;
509
510def err_expected_field_designator : Error<
511  "expected a field designator, such as '.field = 4'">;
512
513def err_declaration_does_not_declare_param : Error<
514  "declaration does not declare a parameter">;
515def err_no_matching_param : Error<"parameter named %0 is missing">;
516
517/// Objective-C++ parser diagnostics
518def err_expected_token_instead_of_objcxx_keyword : Error<
519  "expected %0; %1 is a keyword in Objective-C++">;
520def err_expected_member_name_or_semi_objcxx_keyword : Error<
521  "expected member name or ';' after declaration specifiers; "
522  "%0 is a keyword in Objective-C++">;
523
524/// C++ parser diagnostics
525def err_invalid_operator_on_type : Error<
526  "cannot use %select{dot|arrow}0 operator on a type">;
527def err_expected_unqualified_id : Error<
528  "expected %select{identifier|unqualified-id}0">;
529def err_brackets_go_after_unqualified_id : Error<
530  "brackets are not allowed here; to declare an array, "
531  "place the brackets after the %select{identifier|name}0">;
532def err_unexpected_unqualified_id : Error<"type-id cannot have a name">;
533def err_func_def_no_params : Error<
534  "function definition does not declare parameters">;
535def err_expected_lparen_after_type : Error<
536  "expected '(' for function-style cast or type construction">;
537def err_expected_init_in_condition : Error<
538  "variable declaration in condition must have an initializer">;
539def err_expected_init_in_condition_lparen : Error<
540  "variable declaration in condition cannot have a parenthesized initializer">;
541def err_extraneous_rparen_in_condition : Error<
542  "extraneous ')' after condition, expected a statement">;
543def warn_dangling_else : Warning<
544  "add explicit braces to avoid dangling else">,
545  InGroup<DanglingElse>;
546def err_expected_member_or_base_name : Error<
547  "expected class member or base class name">;
548def err_expected_lbrace_after_base_specifiers : Error<
549  "expected '{' after base class list">;
550def err_missing_end_of_definition : Error<
551  "missing '}' at end of definition of %q0">;
552def note_missing_end_of_definition_before : Note<
553  "still within definition of %q0 here">;
554def ext_ellipsis_exception_spec : Extension<
555  "exception specification of '...' is a Microsoft extension">,
556  InGroup<MicrosoftExceptionSpec>;
557def err_dynamic_and_noexcept_specification : Error<
558  "cannot have both throw() and noexcept() clause on the same function">;
559def err_except_spec_unparsed : Error<
560  "unexpected end of exception specification">;
561def ext_dynamic_exception_spec : ExtWarn<
562  "ISO C++17 does not allow dynamic exception specifications">,
563  InGroup<DynamicExceptionSpec>, DefaultError;
564def warn_exception_spec_deprecated : Warning<
565  "dynamic exception specifications are deprecated">,
566  InGroup<DeprecatedDynamicExceptionSpec>, DefaultIgnore;
567def note_exception_spec_deprecated : Note<"use '%0' instead">;
568def warn_cxx98_compat_noexcept_decl : Warning<
569  "noexcept specifications are incompatible with C++98">,
570  InGroup<CXX98Compat>, DefaultIgnore;
571def err_expected_catch : Error<"expected catch">;
572def err_using_namespace_in_class : Error<
573  "'using namespace' is not allowed in classes">;
574def err_constructor_bad_name : Error<
575  "missing return type for function %0; did you mean the constructor name %1?">;
576def err_destructor_tilde_identifier : Error<
577  "expected a class name after '~' to name a destructor">;
578def err_destructor_tilde_scope : Error<
579  "'~' in destructor name should be after nested name specifier">;
580def err_destructor_template_id : Error<
581  "destructor name %0 does not refer to a template">;
582def err_default_arg_unparsed : Error<
583  "unexpected end of default argument expression">;
584def err_bracket_depth_exceeded : Error<
585  "bracket nesting level exceeded maximum of %0">, DefaultFatal;
586def note_bracket_depth : Note<
587  "use -fbracket-depth=N to increase maximum nesting level">;
588def err_misplaced_ellipsis_in_declaration : Error<
589  "'...' must %select{immediately precede declared identifier|"
590  "be innermost component of anonymous pack declaration}0">;
591def warn_misplaced_ellipsis_vararg : Warning<
592  "'...' in this location creates a C-style varargs function"
593  "%select{, not a function parameter pack|}0">,
594  InGroup<DiagGroup<"ambiguous-ellipsis">>;
595def note_misplaced_ellipsis_vararg_existing_ellipsis : Note<
596  "preceding '...' declares a function parameter pack">;
597def note_misplaced_ellipsis_vararg_add_ellipsis : Note<
598  "place '...' %select{immediately before declared identifier|here}0 "
599  "to declare a function parameter pack">;
600def note_misplaced_ellipsis_vararg_add_comma : Note<
601  "insert ',' before '...' to silence this warning">;
602def ext_abstract_pack_declarator_parens : ExtWarn<
603  "ISO C++11 requires a parenthesized pack declaration to have a name">,
604  InGroup<DiagGroup<"anonymous-pack-parens">>;
605def err_function_is_not_record : Error<
606  "unexpected %0 in function call; perhaps remove the %0?">;
607def err_super_in_using_declaration : Error<
608  "'__super' cannot be used with a using declaration">;
609def ext_constexpr_if : ExtWarn<
610  "constexpr if is a C++17 extension">, InGroup<CXX17>;
611def warn_cxx14_compat_constexpr_if : Warning<
612  "constexpr if is incompatible with C++ standards before C++17">,
613  DefaultIgnore, InGroup<CXXPre17Compat>;
614def ext_init_statement : ExtWarn<
615  "'%select{if|switch}0' initialization statements are a C++17 extension">,
616  InGroup<CXX17>;
617def warn_cxx14_compat_init_statement : Warning<
618  "%select{if|switch}0 initialization statements are incompatible with "
619  "C++ standards before C++17">, DefaultIgnore, InGroup<CXXPre17Compat>;
620def ext_for_range_init_stmt : ExtWarn<
621  "range-based for loop initialization statements are a C++20 extension">,
622  InGroup<CXX20>;
623def warn_cxx17_compat_for_range_init_stmt : Warning<
624  "range-based for loop initialization statements are incompatible with "
625  "C++ standards before C++20">, DefaultIgnore, InGroup<CXXPre20Compat>;
626def warn_empty_init_statement : Warning<
627  "empty initialization statement of '%select{if|switch|range-based for}0' "
628  "has no effect">, InGroup<EmptyInitStatement>, DefaultIgnore;
629def err_keyword_as_parameter : Error <
630  "invalid parameter name: '%0' is a keyword">;
631
632// C++ derived classes
633def err_dup_virtual : Error<"duplicate 'virtual' in base specifier">;
634
635// C++ operator overloading
636def err_literal_operator_string_prefix : Error<
637  "string literal after 'operator' cannot have an encoding prefix">;
638def err_literal_operator_string_not_empty : Error<
639  "string literal after 'operator' must be '\"\"'">;
640def warn_cxx98_compat_literal_operator : Warning<
641  "literal operators are incompatible with C++98">,
642  InGroup<CXX98Compat>, DefaultIgnore;
643
644// Classes.
645def err_anon_type_definition : Error<
646  "declaration of anonymous %0 must be a definition">;
647def err_default_delete_in_multiple_declaration : Error<
648  "'= %select{default|delete}0' is a function definition and must occur in a "
649  "standalone declaration">;
650
651def warn_cxx98_compat_noexcept_expr : Warning<
652  "noexcept expressions are incompatible with C++98">,
653  InGroup<CXX98Compat>, DefaultIgnore;
654def warn_cxx98_compat_nullptr : Warning<
655  "'nullptr' is incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
656
657def warn_wrong_clang_attr_namespace : Warning<
658  "'__clang__' is a predefined macro name, not an attribute scope specifier; "
659  "did you mean '_Clang' instead?">, InGroup<IgnoredAttributes>;
660def ext_ns_enum_attribute : Extension<
661  "attributes on %select{a namespace|an enumerator}0 declaration are "
662  "a C++17 extension">, InGroup<CXX17>;
663def warn_cxx14_compat_ns_enum_attribute : Warning<
664  "attributes on %select{a namespace|an enumerator}0 declaration are "
665  "incompatible with C++ standards before C++17">,
666  InGroup<CXXPre17CompatPedantic>, DefaultIgnore;
667def warn_cxx98_compat_alignas : Warning<"'alignas' is incompatible with C++98">,
668  InGroup<CXX98Compat>, DefaultIgnore;
669def warn_cxx98_compat_attribute : Warning<
670  "C++11 attribute syntax is incompatible with C++98">,
671  InGroup<CXX98Compat>, DefaultIgnore;
672def err_cxx11_attribute_forbids_arguments : Error<
673  "attribute %0 cannot have an argument list">;
674def err_attribute_requires_arguments : Error<
675  "parentheses must be omitted if %0 attribute's argument list is empty">;
676def err_cxx11_attribute_forbids_ellipsis : Error<
677  "attribute %0 cannot be used as an attribute pack">;
678def err_cxx11_attribute_repeated : Error<
679  "attribute %0 cannot appear multiple times in an attribute specifier">;
680def warn_cxx14_compat_using_attribute_ns : Warning<
681  "default scope specifier for attributes is incompatible with C++ standards "
682  "before C++17">, InGroup<CXXPre17Compat>, DefaultIgnore;
683def ext_using_attribute_ns : ExtWarn<
684  "default scope specifier for attributes is a C++17 extension">,
685  InGroup<CXX17>;
686def err_using_attribute_ns_conflict : Error<
687  "attribute with scope specifier cannot follow default scope specifier">;
688def err_attributes_not_allowed : Error<"an attribute list cannot appear here">;
689def err_attributes_misplaced : Error<"misplaced attributes; expected attributes here">;
690def err_l_square_l_square_not_attribute : Error<
691  "C++11 only allows consecutive left square brackets when "
692  "introducing an attribute">;
693def err_ms_declspec_type : Error<
694  "__declspec attributes must be an identifier or string literal">;
695def err_ms_property_no_getter_or_putter : Error<
696  "property does not specify a getter or a putter">;
697def err_ms_property_unknown_accessor : Error<
698  "expected 'get' or 'put' in property declaration">;
699def err_ms_property_has_set_accessor : Error<
700  "putter for property must be specified as 'put', not 'set'">;
701def err_ms_property_missing_accessor_kind : Error<
702  "missing 'get=' or 'put='">;
703def err_ms_property_expected_equal : Error<
704  "expected '=' after '%0'">;
705def err_ms_property_duplicate_accessor : Error<
706  "property declaration specifies '%0' accessor twice">;
707def err_ms_property_expected_accessor_name : Error<
708  "expected name of accessor method">;
709def err_ms_property_expected_comma_or_rparen : Error<
710  "expected ',' or ')' at end of property accessor list">;
711def err_ms_property_initializer : Error<
712  "property declaration cannot have a default member initializer">;
713
714def warn_cxx20_compat_explicit_bool : Warning<
715  "this expression will be parsed as explicit(bool) in C++20">,
716  InGroup<CXX20Compat>, DefaultIgnore;
717def warn_cxx17_compat_explicit_bool : Warning<
718  "explicit(bool) is incompatible with C++ standards before C++20">,
719  InGroup<CXXPre20Compat>, DefaultIgnore;
720def ext_explicit_bool : ExtWarn<"explicit(bool) is a C++20 extension">,
721  InGroup<CXX20>;
722
723/// C++ Templates
724def err_expected_template : Error<"expected template">;
725def err_unknown_template_name : Error<
726  "unknown template name %0">;
727def err_expected_comma_greater : Error<
728  "expected ',' or '>' in template-parameter-list">;
729def err_class_on_template_template_param : Error<
730  "template template parameter requires 'class' after the parameter list">;
731def ext_template_template_param_typename : ExtWarn<
732  "template template parameter using 'typename' is a C++17 extension">,
733  InGroup<CXX17>;
734def warn_cxx14_compat_template_template_param_typename : Warning<
735  "template template parameter using 'typename' is "
736  "incompatible with C++ standards before C++17">,
737  InGroup<CXXPre17Compat>, DefaultIgnore;
738def err_template_spec_syntax_non_template : Error<
739  "identifier followed by '<' indicates a class template specialization but "
740  "%0 %select{does not refer to a template|refers to a function template|"
741  "<unused>|refers to a variable template|<unused>|refers to a concept}1">;
742def err_id_after_template_in_nested_name_spec : Error<
743  "expected template name after 'template' keyword in nested name specifier">;
744def err_unexpected_template_in_unqualified_id : Error<
745  "'template' keyword not permitted here">;
746def err_unexpected_template_in_destructor_name : Error<
747  "'template' keyword not permitted in destructor name">;
748def err_unexpected_template_after_using : Error<
749  "'template' keyword not permitted after 'using' keyword">;
750def err_two_right_angle_brackets_need_space : Error<
751  "a space is required between consecutive right angle brackets (use '> >')">;
752def err_right_angle_bracket_equal_needs_space : Error<
753  "a space is required between a right angle bracket and an equals sign "
754  "(use '> =')">;
755def warn_cxx11_right_shift_in_template_arg : Warning<
756  "use of right-shift operator ('>>') in template argument will require "
757  "parentheses in C++11">, InGroup<CXX11Compat>;
758def warn_cxx98_compat_two_right_angle_brackets : Warning<
759  "consecutive right angle brackets are incompatible with C++98 (use '> >')">,
760  InGroup<CXX98Compat>, DefaultIgnore;
761def err_templated_invalid_declaration : Error<
762  "a static_assert declaration cannot be a template">;
763def err_multiple_template_declarators : Error<
764  "%select{|a template declaration|an explicit template specialization|"
765  "an explicit template instantiation}0 can "
766  "only %select{|declare|declare|instantiate}0 a single entity">;
767def err_explicit_instantiation_with_definition : Error<
768  "explicit template instantiation cannot have a definition; if this "
769  "definition is meant to be an explicit specialization, add '<>' after the "
770  "'template' keyword">;
771def err_template_defn_explicit_instantiation : Error<
772  "%select{function|class|variable}0 cannot be defined in an explicit instantiation; if this "
773  "declaration is meant to be a %select{function|class|variable}0 definition, remove the 'template' keyword">;
774def err_friend_explicit_instantiation : Error<
775  "friend cannot be declared in an explicit instantiation; if this "
776  "declaration is meant to be a friend declaration, remove the 'template' keyword">;
777def err_explicit_instantiation_enum : Error<
778  "enumerations cannot be explicitly instantiated">;
779def err_expected_template_parameter : Error<"expected template parameter">;
780def err_empty_requires_expr : Error<
781  "a requires expression must contain at least one requirement">;
782def err_requires_expr_parameter_list_ellipsis : Error<
783  "varargs not allowed in requires expression">;
784def err_expected_semi_requirement : Error<
785  "expected ';' at end of requirement">;
786def err_requires_expr_missing_arrow : Error<
787  "expected '->' before expression type requirement">;
788def err_requires_expr_expected_type_constraint : Error<
789  "expected concept name with optional arguments">;
790def err_requires_expr_simple_requirement_noexcept : Error<
791  "'noexcept' can only be used in a compound requirement (with '{' '}' around "
792  "the expression)">;
793def warn_requires_expr_in_simple_requirement : Warning<
794  "this requires expression will only be checked for syntactic validity; did "
795  "you intend to place it in a nested requirement? (add another 'requires' "
796  "before the expression)">, InGroup<DiagGroup<"requires-expression">>;
797
798def err_missing_dependent_template_keyword : Error<
799  "use 'template' keyword to treat '%0' as a dependent template name">;
800def warn_missing_dependent_template_keyword : ExtWarn<
801  "use 'template' keyword to treat '%0' as a dependent template name">;
802
803def ext_extern_template : Extension<
804  "extern templates are a C++11 extension">, InGroup<CXX11>;
805def warn_cxx98_compat_extern_template : Warning<
806  "extern templates are incompatible with C++98">,
807  InGroup<CXX98CompatPedantic>, DefaultIgnore;
808def warn_static_inline_explicit_inst_ignored : Warning<
809  "ignoring '%select{static|inline}0' keyword on explicit template "
810  "instantiation">, InGroup<DiagGroup<"static-inline-explicit-instantiation">>;
811
812// Constructor template diagnostics.
813def err_out_of_line_constructor_template_id : Error<
814  "out-of-line constructor for %0 cannot have template arguments">;
815
816def err_expected_qualified_after_typename : Error<
817  "expected a qualified name after 'typename'">;
818def warn_expected_qualified_after_typename : ExtWarn<
819  "expected a qualified name after 'typename'">;
820
821def err_typename_refers_to_non_type_template : Error<
822  "typename specifier refers to a non-type template">;
823def err_expected_type_name_after_typename : Error<
824  "expected an identifier or template-id after '::'">;
825def err_explicit_spec_non_template : Error<
826  "explicit %select{specialization|instantiation}0 of "
827  "%select{non-|undeclared }3template %1 %2">;
828
829def err_default_template_template_parameter_not_template : Error<
830  "default template argument for a template template parameter must be a class "
831  "template">;
832
833def ext_fold_expression : ExtWarn<
834  "pack fold expression is a C++17 extension">,
835  InGroup<CXX17>;
836def warn_cxx14_compat_fold_expression : Warning<
837  "pack fold expression is incompatible with C++ standards before C++17">,
838  InGroup<CXXPre17Compat>, DefaultIgnore;
839def err_expected_fold_operator : Error<
840  "expected a foldable binary operator in fold expression">;
841def err_fold_operator_mismatch : Error<
842  "operators in fold expression must be the same">;
843
844def err_ctor_init_missing_comma : Error<
845  "missing ',' between base or member initializers">;
846
847// C++ declarations
848def err_friend_decl_defines_type : Error<
849  "cannot define a type in a friend declaration">;
850def err_missing_whitespace_digraph : Error<
851  "found '<::' after a "
852  "%select{template name|addrspace_cast|const_cast|dynamic_cast|reinterpret_cast|static_cast}0"
853  " which forms the digraph '<:' (aka '[') and a ':', did you mean '< ::'?">;
854
855def ext_defaulted_deleted_function : ExtWarn<
856  "%select{defaulted|deleted}0 function definitions are a C++11 extension">,
857  InGroup<CXX11>;
858def warn_cxx98_compat_defaulted_deleted_function : Warning<
859  "%select{defaulted|deleted}0 function definitions are incompatible with C++98">,
860  InGroup<CXX98Compat>, DefaultIgnore;
861
862// C++11 default member initialization
863def ext_nonstatic_member_init : ExtWarn<
864  "default member initializer for non-static data member is a C++11 "
865  "extension">, InGroup<CXX11>;
866def warn_cxx98_compat_nonstatic_member_init : Warning<
867  "default member initializer for non-static data members is incompatible with "
868  "C++98">, InGroup<CXX98Compat>, DefaultIgnore;
869def ext_bitfield_member_init: ExtWarn<
870  "default member initializer for bit-field is a C++20 extension">,
871  InGroup<CXX20>;
872def warn_cxx17_compat_bitfield_member_init: Warning<
873  "default member initializer for bit-field is incompatible with "
874  "C++ standards before C++20">, InGroup<CXXPre20Compat>, DefaultIgnore;
875def err_anon_bitfield_member_init : Error<
876  "anonymous bit-field cannot have a default member initializer">;
877def err_incomplete_array_member_init: Error<
878  "array bound cannot be deduced from a default member initializer">;
879
880// C++11 alias-declaration
881def ext_alias_declaration : ExtWarn<
882  "alias declarations are a C++11 extension">, InGroup<CXX11>;
883def warn_cxx98_compat_alias_declaration : Warning<
884  "alias declarations are incompatible with C++98">,
885  InGroup<CXX98Compat>, DefaultIgnore;
886def err_alias_declaration_not_identifier : Error<
887  "name defined in alias declaration must be an identifier">;
888def err_alias_declaration_specialization : Error<
889  "%select{partial specialization|explicit specialization|explicit instantiation}0 of alias templates is not permitted">;
890def err_alias_declaration_pack_expansion : Error<
891  "alias declaration cannot be a pack expansion">;
892
893// C++17 using-declaration pack expansions
894def ext_multi_using_declaration : ExtWarn<
895  "use of multiple declarators in a single using declaration is "
896  "a C++17 extension">, InGroup<CXX17>;
897def warn_cxx17_compat_multi_using_declaration : Warning<
898  "use of multiple declarators in a single using declaration is "
899  "incompatible with C++ standards before C++17">,
900  InGroup<CXXPre17Compat>, DefaultIgnore;
901def ext_using_declaration_pack : ExtWarn<
902  "pack expansion of using declaration is a C++17 extension">, InGroup<CXX17>;
903def warn_cxx17_compat_using_declaration_pack : Warning<
904  "pack expansion using declaration is incompatible with C++ standards "
905  "before C++17">, InGroup<CXXPre17Compat>, DefaultIgnore;
906
907// C++11 override control
908def ext_override_control_keyword : ExtWarn<
909  "'%0' keyword is a C++11 extension">, InGroup<CXX11>;
910def warn_cxx98_compat_override_control_keyword : Warning<
911  "'%0' keyword is incompatible with C++98">,
912  InGroup<CXX98Compat>, DefaultIgnore;
913def err_override_control_interface : Error<
914  "'%0' keyword not permitted with interface types">;
915def ext_ms_sealed_keyword : ExtWarn<
916  "'sealed' keyword is a Microsoft extension">,
917  InGroup<MicrosoftSealed>;
918
919def err_access_specifier_interface : Error<
920  "interface types cannot specify '%select{private|protected}0' access">;
921
922def err_duplicate_virt_specifier : Error<
923  "class member already marked '%0'">;
924
925def err_expected_parameter_pack : Error<
926  "expected the name of a parameter pack">;
927def err_paren_sizeof_parameter_pack : Error<
928  "missing parentheses around the size of parameter pack %0">;
929def err_sizeof_parameter_pack : Error<
930  "expected parenthesized parameter pack name in 'sizeof...' expression">;
931
932// C++11 lambda expressions
933def err_expected_comma_or_rsquare : Error<
934  "expected ',' or ']' in lambda capture list">;
935def err_this_captured_by_reference : Error<
936  "'this' cannot be captured by reference">;
937def err_expected_capture : Error<
938  "expected variable name or 'this' in lambda capture list">;
939def err_expected_lambda_body : Error<"expected body of lambda expression">;
940def warn_cxx98_compat_lambda : Warning<
941  "lambda expressions are incompatible with C++98">,
942  InGroup<CXX98Compat>, DefaultIgnore;
943def err_lambda_missing_parens : Error<
944  "lambda requires '()' before %select{'mutable'|return type|"
945  "attribute specifier|'constexpr'|'consteval'|'requires' clause}0">;
946def err_lambda_decl_specifier_repeated : Error<
947  "%select{'mutable'|'constexpr'|'consteval'}0 cannot appear multiple times in a lambda declarator">;
948def err_lambda_capture_misplaced_ellipsis : Error<
949  "ellipsis in pack %select{|init-}0capture must appear %select{after|before}0 "
950  "the name of the capture">;
951def err_lambda_capture_multiple_ellipses : Error<
952  "multiple ellipses in pack capture">;
953def err_capture_default_first : Error<
954  "capture default must be first">;
955// C++17 lambda expressions
956def err_expected_star_this_capture : Error<
957  "expected 'this' following '*' in lambda capture list">;
958
959// C++17 constexpr lambda expressions
960def warn_cxx14_compat_constexpr_on_lambda : Warning<
961  "constexpr on lambda expressions is incompatible with C++ standards before C++17">,
962  InGroup<CXXPre17Compat>, DefaultIgnore;
963def ext_constexpr_on_lambda_cxx17 : ExtWarn<
964  "'constexpr' on lambda expressions is a C++17 extension">, InGroup<CXX17>;
965
966// C++20 template lambdas
967def ext_lambda_template_parameter_list: ExtWarn<
968  "explicit template parameter list for lambdas is a C++20 extension">,
969  InGroup<CXX20>;
970def warn_cxx17_compat_lambda_template_parameter_list: Warning<
971  "explicit template parameter list for lambdas is incompatible with "
972  "C++ standards before C++20">, InGroup<CXXPre20Compat>, DefaultIgnore;
973def err_lambda_template_parameter_list_empty : Error<
974  "lambda template parameter list cannot be empty">;
975
976// Availability attribute
977def err_expected_version : Error<
978  "expected a version of the form 'major[.minor[.subminor]]'">;
979def warn_expected_consistent_version_separator : Warning<
980  "use same version number separators '_' or '.'; as in "
981  "'major[.minor[.subminor]]'">, InGroup<Availability>;
982def err_zero_version : Error<
983  "version number must have non-zero major, minor, or sub-minor version">;
984def err_availability_expected_platform : Error<
985  "expected a platform name, e.g., 'macos'">;
986
987// objc_bridge_related attribute
988def err_objcbridge_related_expected_related_class : Error<
989  "expected a related ObjectiveC class name, e.g., 'NSColor'">;
990def err_objcbridge_related_selector_name : Error<
991  "expected a class method selector with single argument, e.g., 'colorWithCGColor:'">;
992
993def err_availability_expected_change : Error<
994  "expected 'introduced', 'deprecated', or 'obsoleted'">;
995def err_availability_unknown_change : Error<
996  "%0 is not an availability stage; use 'introduced', 'deprecated', or "
997  "'obsoleted'">;
998def err_availability_redundant : Error<
999  "redundant %0 availability change; only the last specified change will "
1000  "be used">;
1001def warn_availability_and_unavailable : Warning<
1002  "'unavailable' availability overrides all other availability information">,
1003  InGroup<Availability>;
1004
1005// @available(...)
1006def err_avail_query_expected_platform_name : Error<
1007  "expected a platform name here">;
1008
1009def err_avail_query_unrecognized_platform_name : Error<
1010  "unrecognized platform name %0">;
1011def err_availability_query_wildcard_required: Error<
1012  "must handle potential future platforms with '*'">;
1013def err_availability_query_repeated_platform: Error<
1014  "version for '%0' already specified">;
1015def err_availability_query_repeated_star : Error<
1016  "'*' query has already been specified">;
1017
1018// External source symbol attribute
1019def err_external_source_symbol_expected_keyword : Error<
1020  "expected 'language', 'defined_in', or 'generated_declaration'">;
1021def err_external_source_symbol_duplicate_clause : Error<
1022  "duplicate %0 clause in an 'external_source_symbol' attribute">;
1023
1024// Type safety attributes
1025def err_type_safety_unknown_flag : Error<
1026  "invalid comparison flag %0; use 'layout_compatible' or 'must_be_null'">;
1027
1028// Type traits
1029def err_type_trait_arity : Error<
1030  "type trait requires %0%select{| or more}1 argument%select{|s}2; have "
1031  "%3 argument%s3">;
1032
1033// Language specific pragmas
1034// - Generic warnings
1035def warn_pragma_expected_lparen : Warning<
1036  "missing '(' after '#pragma %0' - ignoring">, InGroup<IgnoredPragmas>;
1037def warn_pragma_expected_rparen : Warning<
1038  "missing ')' after '#pragma %0' - ignoring">, InGroup<IgnoredPragmas>;
1039def warn_pragma_expected_identifier : Warning<
1040  "expected identifier in '#pragma %0' - ignored">, InGroup<IgnoredPragmas>;
1041def warn_pragma_expected_string : Warning<
1042  "expected string literal in '#pragma %0' - ignoring">, InGroup<IgnoredPragmas>;
1043def warn_pragma_missing_argument : Warning<
1044  "missing argument to '#pragma %0'%select{|; expected %2}1">, InGroup<IgnoredPragmas>;
1045def warn_pragma_invalid_argument : Warning<
1046  "unexpected argument '%0' to '#pragma %1'%select{|; expected %3}2">, InGroup<IgnoredPragmas>;
1047
1048def err_pragma_misplaced_in_decl : Error<"this pragma cannot appear in %0 declaration">;
1049
1050// '#pragma clang section' related errors
1051def err_pragma_expected_clang_section_name : Error<
1052  "expected one of [bss|data|rodata|text|relro] section kind in '#pragma %0'">;
1053def err_pragma_clang_section_expected_equal : Error<
1054  "expected '=' following '#pragma clang section %select{invalid|bss|data|rodata|text|relro}0'">;
1055def warn_pragma_expected_section_name : Warning<
1056  "expected a string literal for the section name in '#pragma %0' - ignored">,
1057  InGroup<IgnoredPragmas>;
1058
1059def warn_pragma_expected_section_push_pop_or_name : Warning<
1060  "expected push, pop or a string literal for the section name in '#pragma %0' - ignored">,
1061  InGroup<IgnoredPragmas>;
1062def warn_pragma_expected_section_label_or_name : Warning<
1063  "expected a stack label or a string literal for the section name in '#pragma %0' - ignored">,
1064  InGroup<IgnoredPragmas>;
1065def warn_pragma_expected_init_seg : Warning<
1066  "expected 'compiler', 'lib', 'user', or a string literal for the section name in '#pragma %0' - ignored">,
1067  InGroup<IgnoredPragmas>;
1068
1069def err_pragma_expected_integer : Error<"expected an integer argument in '#pragma %0'">;
1070def warn_pragma_expected_integer : Warning<
1071  "expected integer between %0 and %1 inclusive in '#pragma %2' - ignored">,
1072  InGroup<IgnoredPragmas>;
1073def warn_pragma_ms_struct : Warning<
1074  "incorrect use of '#pragma ms_struct on|off' - ignored">,
1075  InGroup<IgnoredPragmas>;
1076def warn_pragma_extra_tokens_at_eol : Warning<
1077  "extra tokens at end of '#pragma %0' - ignored">,
1078  InGroup<IgnoredPragmas>;
1079def warn_pragma_expected_comma : Warning<
1080  "expected ',' in '#pragma %0'">, InGroup<IgnoredPragmas>;
1081def warn_pragma_expected_punc : Warning<
1082  "expected ')' or ',' in '#pragma %0'">, InGroup<IgnoredPragmas>;
1083def warn_pragma_expected_non_wide_string : Warning<
1084  "expected non-wide string literal in '#pragma %0'">, InGroup<IgnoredPragmas>;
1085// - Generic errors
1086def err_pragma_missing_argument : Error<
1087  "missing argument to '#pragma %0'%select{|; expected %2}1">;
1088// - #pragma options
1089def warn_pragma_options_expected_align : Warning<
1090  "expected 'align' following '#pragma options' - ignored">,
1091  InGroup<IgnoredPragmas>;
1092def warn_pragma_align_expected_equal : Warning<
1093  "expected '=' following '#pragma %select{align|options align}0' - ignored">,
1094  InGroup<IgnoredPragmas>;
1095def warn_pragma_align_invalid_option : Warning<
1096  "invalid alignment option in '#pragma %select{align|options align}0' - ignored">,
1097  InGroup<IgnoredPragmas>;
1098// - #pragma pack
1099def warn_pragma_unsupported_action : Warning<
1100  "known but unsupported action '%1' for '#pragma %0' - ignored">,
1101  InGroup<IgnoredPragmas>;
1102def warn_pragma_invalid_specific_action : Warning<
1103  "unknown action '%1' for '#pragma %0' - ignored">,
1104  InGroup<IgnoredPragmas>;
1105def warn_pragma_expected_action_or_r_paren : Warning<
1106  "expected action or ')' in '#pragma %0' - ignored">,
1107  InGroup<IgnoredPragmas>;
1108def warn_pragma_invalid_action : Warning<
1109  "unknown action for '#pragma %0' - ignored">,
1110  InGroup<IgnoredPragmas>;
1111def warn_pragma_pack_malformed : Warning<
1112  "expected integer or identifier in '#pragma pack' - ignored">,
1113  InGroup<IgnoredPragmas>;
1114// - #pragma intrinsic
1115def warn_pragma_intrinsic_builtin : Warning<
1116  "%0 is not a recognized builtin%select{|; consider including <intrin.h> to access non-builtin intrinsics}1">,
1117  InGroup<IgnoredPragmaIntrinsic>;
1118// - #pragma optimize
1119def warn_pragma_optimize : Warning<
1120  "'#pragma optimize' is not supported">,
1121  InGroup<IgnoredPragmaOptimize>;
1122// - #pragma unused
1123def warn_pragma_unused_expected_var : Warning<
1124  "expected '#pragma unused' argument to be a variable name">,
1125  InGroup<IgnoredPragmas>;
1126// - #pragma init_seg
1127def warn_pragma_init_seg_unsupported_target : Warning<
1128  "'#pragma init_seg' is only supported when targeting a "
1129  "Microsoft environment">,
1130  InGroup<IgnoredPragmas>;
1131// - #pragma restricted to file scope or start of compound statement
1132def err_pragma_file_or_compound_scope : Error<
1133  "'#pragma %0' can only appear at file scope or at the start of a "
1134  "compound statement">;
1135// - #pragma stdc unknown
1136def ext_stdc_pragma_ignored : ExtWarn<"unknown pragma in STDC namespace">,
1137   InGroup<UnknownPragmas>;
1138// The C standard 7.6.1p2 says "The [FENV_ACCESS] pragma shall occur either
1139// outside external declarations or preceding all explicit declarations and
1140// statements inside a compound statement.
1141def err_pragma_stdc_fenv_access_scope : Error<
1142  "'#pragma STDC FENV_ACCESS' can only appear at file scope or at the start of"
1143  " a compound statement">;
1144def warn_stdc_fenv_round_not_supported :
1145   Warning<"pragma STDC FENV_ROUND is not supported">,
1146   InGroup<UnknownPragmas>;
1147def warn_stdc_unknown_rounding_mode : Warning<
1148  "invalid or unsupported rounding mode in '#pragma STDC FENV_ROUND' - ignored">,
1149  InGroup<IgnoredPragmas>;
1150def warn_pragma_fp_ignored : Warning<
1151  "'#pragma %0' is not supported on this target - ignored">,
1152  InGroup<IgnoredPragmas>;
1153// - #pragma comment
1154def err_pragma_comment_malformed : Error<
1155  "pragma comment requires parenthesized identifier and optional string">;
1156def err_pragma_comment_unknown_kind : Error<"unknown kind of pragma comment">;
1157// PS4 recognizes only #pragma comment(lib)
1158def warn_pragma_comment_ignored : Warning<"'#pragma comment %0' ignored">,
1159  InGroup<IgnoredPragmas>;
1160// - #pragma detect_mismatch
1161def err_pragma_detect_mismatch_malformed : Error<
1162  "pragma detect_mismatch is malformed; it requires two comma-separated "
1163  "string literals">;
1164// - #pragma float_control
1165def err_pragma_float_control_malformed : Error<
1166  "pragma float_control is malformed; use 'float_control({push|pop})' or "
1167  "'float_control({precise|except}, {on|off} [,push])'">;
1168// - #pragma pointers_to_members
1169def err_pragma_pointers_to_members_unknown_kind : Error<
1170  "unexpected %0, expected to see one of %select{|'best_case', 'full_generality', }1"
1171  "'single_inheritance', 'multiple_inheritance', or 'virtual_inheritance'">;
1172// - #pragma clang optimize on/off
1173def err_pragma_optimize_invalid_argument : Error<
1174  "unexpected argument '%0' to '#pragma clang optimize'; "
1175  "expected 'on' or 'off'">;
1176def err_pragma_optimize_extra_argument : Error<
1177  "unexpected extra argument '%0' to '#pragma clang optimize'">;
1178// - #pragma clang attribute
1179def err_pragma_attribute_expected_push_pop_paren : Error<
1180  "expected 'push', 'pop', or '(' after '#pragma clang attribute'">;
1181def err_pragma_attribute_invalid_argument : Error<
1182  "unexpected argument '%0' to '#pragma clang attribute'; "
1183  "expected 'push' or 'pop'">;
1184def err_pragma_attribute_expected_attribute : Error<
1185  "expected an attribute after '('">;
1186def err_pragma_attribute_expected_attribute_name : Error<
1187  "expected identifier that represents an attribute name">;
1188def err_pragma_attribute_extra_tokens_after_attribute : Error<
1189  "extra tokens after attribute in a '#pragma clang attribute push'">;
1190def err_pragma_attribute_unsupported_attribute : Error<
1191  "attribute %0 is not supported by '#pragma clang attribute'">;
1192def err_pragma_attribute_multiple_attributes : Error<
1193  "more than one attribute specified in '#pragma clang attribute push'">;
1194def err_pragma_attribute_expected_attribute_syntax : Error<
1195  "expected an attribute that is specified using the GNU, C++11 or '__declspec'"
1196  " syntax">;
1197def note_pragma_attribute_use_attribute_kw : Note<"use the GNU '__attribute__' "
1198  "syntax">;
1199def err_pragma_attribute_invalid_subject_set_specifier : Error<
1200  "expected attribute subject set specifier 'apply_to'">;
1201def err_pragma_attribute_expected_subject_identifier : Error<
1202  "expected an identifier that corresponds to an attribute subject rule">;
1203def err_pragma_attribute_unknown_subject_rule : Error<
1204  "unknown attribute subject rule '%0'">;
1205def err_pragma_attribute_expected_subject_sub_identifier : Error<
1206  "expected an identifier that corresponds to an attribute subject matcher "
1207  "sub-rule; '%0' matcher %select{does not support sub-rules|supports the "
1208  "following sub-rules: %2|}1">;
1209def err_pragma_attribute_unknown_subject_sub_rule : Error<
1210  "%select{invalid use of|unknown}2 attribute subject matcher sub-rule '%0'; "
1211  "'%1' matcher %select{does not support sub-rules|supports the following "
1212  "sub-rules: %3}2">;
1213def err_pragma_attribute_duplicate_subject : Error<
1214  "duplicate attribute subject matcher '%0'">;
1215def err_pragma_attribute_expected_period : Error<
1216  "expected '.' after pragma attribute namespace %0">;
1217def err_pragma_attribute_namespace_on_attribute : Error<
1218  "namespace can only apply to 'push' or 'pop' directives">;
1219def note_pragma_attribute_namespace_on_attribute : Note<
1220  "omit the namespace to add attributes to the most-recently"
1221  " pushed attribute group">;
1222
1223def err_opencl_unroll_hint_on_non_loop : Error<
1224  "OpenCL only supports 'opencl_unroll_hint' attribute on for, while, and do statements">;
1225
1226// OpenCL EXTENSION pragma (OpenCL 1.1 [9.1])
1227def warn_pragma_expected_colon : Warning<
1228  "missing ':' after %0 - ignoring">, InGroup<IgnoredPragmas>;
1229def warn_pragma_expected_predicate : Warning<
1230  "expected %select{'enable', 'disable', 'begin' or 'end'|'disable'}0 - ignoring">, InGroup<IgnoredPragmas>;
1231def warn_pragma_begin_end_mismatch : Warning<
1232  "OpenCL extension end directive mismatches begin directive - ignoring">, InGroup<IgnoredPragmas>;
1233def warn_pragma_unknown_extension : Warning<
1234  "unknown OpenCL extension %0 - ignoring">, InGroup<IgnoredPragmas>;
1235def warn_pragma_unsupported_extension : Warning<
1236  "unsupported OpenCL extension %0 - ignoring">, InGroup<IgnoredPragmas>;
1237def warn_pragma_extension_is_core : Warning<
1238  "OpenCL extension %0 is core feature or supported optional core feature - ignoring">, InGroup<DiagGroup<"pedantic-core-features">>, DefaultIgnore;
1239
1240// OpenCL errors.
1241def err_opencl_taking_function_address_parser : Error<
1242  "taking address of function is not allowed">;
1243def err_opencl_logical_exclusive_or : Error<
1244  "^^ is a reserved operator in OpenCL">;
1245
1246// C++ for OpenCL.
1247def err_openclcxx_virtual_function : Error<
1248  "virtual functions are not supported in C++ for OpenCL">;
1249
1250// OpenMP support.
1251def warn_pragma_omp_ignored : Warning<
1252  "unexpected '#pragma omp ...' in program">, InGroup<SourceUsesOpenMP>, DefaultIgnore;
1253def warn_omp_extra_tokens_at_eol : Warning<
1254  "extra tokens at the end of '#pragma omp %0' are ignored">,
1255  InGroup<ExtraTokens>;
1256def warn_pragma_expected_colon_r_paren : Warning<
1257  "missing ':' or ')' after %0 - ignoring">, InGroup<IgnoredPragmas>;
1258def err_omp_unknown_directive : Error<
1259  "expected an OpenMP directive">;
1260def err_omp_unexpected_directive : Error<
1261  "unexpected OpenMP directive %select{|'#pragma omp %1'}0">;
1262def err_omp_expected_punc : Error<
1263  "expected ',' or ')' in '%0' %select{clause|directive}1">;
1264def err_omp_unexpected_clause : Error<
1265  "unexpected OpenMP clause '%0' in directive '#pragma omp %1'">;
1266def err_omp_immediate_directive : Error<
1267  "'#pragma omp %0' %select{|with '%2' clause }1cannot be an immediate substatement">;
1268def err_omp_expected_identifier_for_critical : Error<
1269  "expected identifier specifying the name of the 'omp critical' directive">;
1270def err_omp_expected_reduction_identifier : Error<
1271  "expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'">;
1272def err_omp_expected_equal_in_iterator : Error<
1273  "expected '=' in iterator specifier">;
1274def err_omp_expected_punc_after_iterator : Error<
1275  "expected ',' or ')' after iterator specifier">;
1276def err_omp_decl_in_declare_simd_variant : Error<
1277  "function declaration is expected after 'declare %select{simd|variant}0' directive">;
1278def err_omp_unknown_map_type : Error<
1279  "incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'">;
1280def err_omp_unknown_map_type_modifier : Error<
1281  "incorrect map type modifier, expected 'always', 'close', "
1282  "%select{or 'mapper'|'mapper', or 'present'}0">;
1283def err_omp_map_type_missing : Error<
1284  "missing map type">;
1285def err_omp_map_type_modifier_missing : Error<
1286  "missing map type modifier">;
1287def err_omp_declare_simd_inbranch_notinbranch : Error<
1288  "unexpected '%0' clause, '%1' is specified already">;
1289def err_expected_end_declare_target_or_variant : Error<
1290  "expected '#pragma omp end declare %select{target|variant}0'">;
1291def err_expected_begin_declare_variant
1292    : Error<"'#pragma omp end declare variant' with no matching '#pragma omp "
1293            "begin declare variant'">;
1294def err_expected_begin_assumes
1295    : Error<"'#pragma omp end assumes' with no matching '#pragma omp begin assumes'">;
1296def warn_omp_unknown_assumption_clause_missing_id
1297    : Warning<"valid %0 clauses start with %1; %select{token|tokens}2 will be ignored">,
1298      InGroup<OpenMPClauses>;
1299def warn_omp_unknown_assumption_clause_without_args
1300    : Warning<"%0 clause should not be followed by arguments; tokens will be ignored">,
1301      InGroup<OpenMPClauses>;
1302def note_omp_assumption_clause_continue_here
1303    : Note<"the ignored tokens spans until here">;
1304def err_omp_declare_target_unexpected_clause: Error<
1305  "unexpected '%0' clause, only %select{'to' or 'link'|'to', 'link' or 'device_type'}1 clauses expected">;
1306def err_omp_expected_clause: Error<
1307  "expected at least one clause on '#pragma omp %0' directive">;
1308def err_omp_mapper_illegal_identifier : Error<
1309  "illegal OpenMP user-defined mapper identifier">;
1310def err_omp_mapper_expected_declarator : Error<
1311  "expected declarator on 'omp declare mapper' directive">;
1312def err_omp_declare_variant_wrong_clause : Error<
1313  "expected '%0' clause on 'omp declare variant' directive">;
1314def err_omp_declare_variant_duplicate_nested_trait : Error<
1315  "nested OpenMP context selector contains duplicated trait '%0'"
1316  " in selector '%1' and set '%2' with different score">;
1317def err_omp_declare_variant_nested_user_condition : Error<
1318  "nested user conditions in OpenMP context selector not supported (yet)">;
1319def warn_omp_declare_variant_string_literal_or_identifier
1320    : Warning<"expected identifier or string literal describing a context "
1321              "%select{set|selector|property}0; "
1322              "%select{set|selector|property}0 skipped">,
1323      InGroup<OpenMPClauses>;
1324def warn_unknown_begin_declare_variant_isa_trait
1325    : Warning<"isa trait '%0' is not known to the current target; verify the "
1326              "spelling or consider restricting the context selector with the "
1327              "'arch' selector further">,
1328      InGroup<SourceUsesOpenMP>;
1329def note_omp_declare_variant_ctx_options
1330    : Note<"context %select{set|selector|property}0 options are: %1">;
1331def warn_omp_declare_variant_expected
1332    : Warning<"expected '%0' after the %1; '%0' assumed">,
1333      InGroup<OpenMPClauses>;
1334def warn_omp_declare_variant_ctx_not_a_property
1335    : Warning<"'%0' is not a valid context property for the context selector "
1336              "'%1' and the context set '%2'; property ignored">,
1337      InGroup<OpenMPClauses>;
1338def note_omp_declare_variant_ctx_is_a
1339    : Note<"'%0' is a context %select{set|selector|property}1 not a context "
1340           "%select{set|selector|property}2">;
1341def note_omp_declare_variant_ctx_try : Note<"try 'match(%0={%1%2})'">;
1342def warn_omp_declare_variant_ctx_not_a_selector
1343    : Warning<"'%0' is not a valid context selector for the context set '%1'; "
1344              "selector ignored">,
1345      InGroup<OpenMPClauses>;
1346def warn_omp_declare_variant_ctx_not_a_set
1347    : Warning<"'%0' is not a valid context set in a `declare variant`; set "
1348              "ignored">,
1349      InGroup<OpenMPClauses>;
1350def warn_omp_declare_variant_ctx_mutiple_use
1351    : Warning<"the context %select{set|selector|property}0 '%1' was used "
1352              "already in the same 'omp declare variant' directive; "
1353              "%select{set|selector|property}0 ignored">,
1354      InGroup<OpenMPClauses>;
1355def note_omp_declare_variant_ctx_used_here
1356    : Note<"the previous context %select{set|selector|property}0 '%1' used "
1357           "here">;
1358def note_omp_declare_variant_ctx_continue_here
1359    : Note<"the ignored %select{set|selector|property}0 spans until here">;
1360def warn_omp_ctx_incompatible_selector_for_set
1361    : Warning<"the context selector '%0' is not valid for the context set "
1362              "'%1'; selector ignored">,
1363      InGroup<OpenMPClauses>;
1364def note_omp_ctx_compatible_set_for_selector
1365    : Note<"the context selector '%0' can be nested in the context set '%1'; "
1366           "try 'match(%1={%0%select{|(property)}2})'">;
1367def warn_omp_ctx_selector_without_properties
1368    : Warning<"the context selector '%0' in context set '%1' requires a "
1369              "context property defined in parentheses; selector ignored">,
1370      InGroup<OpenMPClauses>;
1371def warn_omp_ctx_incompatible_property_for_selector
1372    : Warning<"the context property '%0' is not valid for the context selector "
1373              "'%1' and the context set '%2'; property ignored">,
1374      InGroup<OpenMPClauses>;
1375def note_omp_ctx_compatible_set_and_selector_for_property
1376    : Note<"the context property '%0' can be nested in the context selector "
1377           "'%1' which is nested in the context set '%2'; try "
1378           "'match(%2={%1(%0)})'">;
1379def warn_omp_ctx_incompatible_score_for_property
1380    : Warning<"the context selector '%0' in the context set '%1' cannot have a "
1381              "score ('%2'); score ignored">,
1382      InGroup<OpenMPClauses>;
1383def warn_omp_more_one_device_type_clause
1384    : Warning<"more than one 'device_type' clause is specified">,
1385      InGroup<OpenMPClauses>;
1386def err_omp_variant_ctx_second_match_extension : Error<
1387  "only a single match extension allowed per OpenMP context selector">;
1388def err_omp_invalid_dsa: Error<
1389  "data-sharing attribute '%0' in '%1' clause requires OpenMP version %2 or above">;
1390
1391// Pragma loop support.
1392def err_pragma_loop_missing_argument : Error<
1393  "missing argument; expected %select{an integer value|"
1394  "'enable'%select{|, 'full'}1%select{|, 'assume_safety'}2 or 'disable'}0">;
1395def err_pragma_loop_invalid_option : Error<
1396  "%select{invalid|missing}0 option%select{ %1|}0; expected vectorize, "
1397  "vectorize_width, interleave, interleave_count, unroll, unroll_count, "
1398  "pipeline, pipeline_initiation_interval, vectorize_predicate, or distribute">;
1399def err_pragma_loop_invalid_vectorize_option : Error<
1400  "vectorize_width loop hint malformed; use vectorize_width(X, fixed) or "
1401  "vectorize_width(X, scalable) where X is an integer, or vectorize_width('fixed' or 'scalable')">;
1402def note_pragma_loop_invalid_vectorize_option : Note<
1403  "vectorize_width loop hint malformed; use vectorize_width(X, fixed) or "
1404  "vectorize_width(X, scalable) where X is an integer, or vectorize_width('fixed' or 'scalable')">;
1405
1406def err_pragma_fp_invalid_option : Error<
1407  "%select{invalid|missing}0 option%select{ %1|}0; expected 'contract', 'reassociate' or 'exceptions'">;
1408def err_pragma_fp_invalid_argument : Error<
1409  "unexpected argument '%0' to '#pragma clang fp %1'; expected "
1410  "%select{"
1411  "'fast' or 'on' or 'off'|"
1412  "'on' or 'off'|"
1413  "'ignore', 'maytrap' or 'strict'}2">;
1414
1415def err_pragma_invalid_keyword : Error<
1416  "invalid argument; expected 'enable'%select{|, 'full'}0%select{|, 'assume_safety'}1 or 'disable'">;
1417def err_pragma_pipeline_invalid_keyword : Error<
1418    "invalid argument; expected 'disable'">;
1419
1420// Pragma unroll support.
1421def warn_pragma_unroll_cuda_value_in_parens : Warning<
1422  "argument to '#pragma unroll' should not be in parentheses in CUDA C/C++">,
1423  InGroup<CudaCompat>;
1424
1425def warn_cuda_attr_lambda_position : Warning<
1426  "nvcc does not allow '__%0__' to appear after '()' in lambdas">,
1427  InGroup<CudaCompat>;
1428def warn_pragma_force_cuda_host_device_bad_arg : Warning<
1429  "incorrect use of #pragma clang force_cuda_host_device begin|end">,
1430  InGroup<IgnoredPragmas>;
1431def err_pragma_cannot_end_force_cuda_host_device : Error<
1432  "force_cuda_host_device end pragma without matching "
1433  "force_cuda_host_device begin">;
1434} // end of Parse Issue category.
1435
1436let CategoryName = "Modules Issue" in {
1437def err_unexpected_module_decl : Error<
1438  "module declaration can only appear at the top level">;
1439def err_module_expected_ident : Error<
1440  "expected a module name after '%select{module|import}0'">;
1441def err_attribute_not_module_attr : Error<
1442  "%0 attribute cannot be applied to a module">;
1443def err_attribute_not_import_attr : Error<
1444  "%0 attribute cannot be applied to a module import">;
1445def err_module_expected_semi : Error<
1446  "expected ';' after module name">;
1447def err_global_module_introducer_not_at_start : Error<
1448  "'module;' introducing a global module fragment can appear only "
1449  "at the start of the translation unit">;
1450def err_module_fragment_exported : Error<
1451  "%select{global|private}0 module fragment cannot be exported">;
1452def err_private_module_fragment_expected_semi : Error<
1453  "expected ';' after private module fragment declaration">;
1454def err_missing_before_module_end : Error<"expected %0 at end of module">;
1455def err_unsupported_module_partition : Error<
1456  "sorry, module partitions are not yet supported">;
1457
1458def err_export_empty : Error<"export declaration cannot be empty">;
1459}
1460
1461let CategoryName = "Generics Issue" in {
1462
1463def err_objc_expected_type_parameter : Error<
1464  "expected type parameter name">;
1465
1466def err_objc_parameterized_implementation : Error<
1467  "@implementation cannot have type parameters">;
1468
1469def err_objc_type_args_after_protocols : Error<
1470  "protocol qualifiers must precede type arguments">;
1471
1472def note_meant_to_use_typename : Note<
1473  "did you mean to use 'typename'?">;
1474}
1475
1476let CategoryName = "Coroutines Issue" in {
1477def err_for_co_await_not_range_for : Error<
1478  "'co_await' modifier can only be applied to range-based for loop">;
1479}
1480
1481let CategoryName = "Concepts Issue" in {
1482def err_concept_definition_not_identifier : Error<
1483  "name defined in concept definition must be an identifier">;
1484def ext_concept_legacy_bool_keyword : ExtWarn<
1485  "ISO C++20 does not permit the 'bool' keyword after 'concept'">,
1486  InGroup<DiagGroup<"concepts-ts-compat">>;
1487def err_placeholder_expected_auto_or_decltype_auto : Error<
1488  "expected 'auto' or 'decltype(auto)' after concept name">;
1489}
1490
1491def warn_max_tokens : Warning<
1492  "the number of preprocessor source tokens (%0) exceeds this token limit (%1)">,
1493  InGroup<MaxTokens>, DefaultIgnore;
1494
1495def warn_max_tokens_total : Warning<
1496  "the total number of preprocessor source tokens (%0) exceeds the token limit (%1)">,
1497  InGroup<MaxTokens>, DefaultIgnore;
1498
1499def note_max_tokens_total_override : Note<"total token limit set here">;
1500
1501} // end of Parser diagnostics
1502