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swift-mirror/include/swift/AST/DiagnosticsParse.def

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96 KiB
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//===--- DiagnosticsParse.def - Diagnostics Text ----------------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// This file defines diagnostics emitted during lexing and parsing.
// Each diagnostic is described using one of three kinds (error, warning, or
// note) along with a unique identifier, category, options, and text, and is
// followed by a signature describing the diagnostic argument kinds.
//
//===----------------------------------------------------------------------===//
#define DEFINE_DIAGNOSTIC_MACROS
#include "DefineDiagnosticMacros.h"
//==============================================================================
// MARK: Lexing and Parsing diagnostics
//==============================================================================
NOTE(opening_brace,none,
"to match this opening '{'", ())
NOTE(opening_bracket,none,
"to match this opening '['", ())
NOTE(opening_paren,none,
"to match this opening '('", ())
NOTE(opening_angle,none,
"to match this opening '<'", ())
ERROR(extra_rbrace,none,
"extraneous '}' at top level", ())
ERROR(structure_overflow,Fatal,
"structure nesting level exceeded maximum of %0", (unsigned))
ERROR(expected_close_to_if_directive,none,
"expected #else or #endif at end of conditional compilation block", ())
ERROR(expected_close_after_else_directive,none,
"further conditions after #else are unreachable", ())
ERROR(unexpected_conditional_compilation_block_terminator,none,
"unexpected conditional compilation block terminator", ())
ERROR(incomplete_conditional_compilation_directive,none,
"incomplete condition in conditional compilation directive", ())
ERROR(extra_tokens_conditional_compilation_directive,none,
"extra tokens following conditional compilation directive", ())
ERROR(unexpected_rbrace_in_conditional_compilation_block,none,
"unexpected '}' in conditional compilation block", ())
ERROR(ifconfig_unexpectedtoken,none,
"unexpected tokens in '#if' body", ())
ERROR(unexpected_if_following_else_compilation_directive,none,
"unexpected 'if' keyword following '#else' conditional compilation "
"directive; did you mean '#elseif'?",
())
ERROR(pound_diagnostic_expected_string,none,
"expected string literal in %select{#warning|#error}0 directive",(bool))
ERROR(pound_diagnostic_expected,none,
"expected '%0' in %select{#warning|#error}1 directive",(StringRef,bool))
ERROR(pound_diagnostic_expected_parens,none,
"%select{#warning|#error}0 directive requires parentheses",(bool))
ERROR(pound_diagnostic_interpolation,none,
"string interpolation is not allowed in %select{#warning|#error}0 directives",(bool))
ERROR(extra_tokens_pound_diagnostic_directive,none,
"extra tokens following %select{#warning|#error}0 directive", (bool))
ERROR(sourceLocation_expected,none,
"expected '%0' in #sourceLocation directive", (StringRef))
ERROR(unexpected_line_directive,none,
"parameterless closing #sourceLocation() directive "
"without prior opening #sourceLocation(file:,line:) directive", ())
ERROR(expected_line_directive_number,none,
"expected starting line number for #sourceLocation directive", ())
ERROR(expected_line_directive_name,none,
"expected filename string literal for #sourceLocation directive", ())
ERROR(extra_tokens_line_directive,none,
"extra tokens at the end of #sourceLocation directive", ())
ERROR(line_directive_line_zero,none,
"the line number needs to be greater than zero", ())
WARNING(escaped_parameter_name,none,
"keyword '%0' does not need to be escaped in argument list",
(StringRef))
ERROR(forbidden_interpolated_string,none,
"%0 cannot be an interpolated string literal", (StringRef))
ERROR(forbidden_extended_escaping_string,none,
"%0 cannot be an extended escaping string literal", (StringRef))
//------------------------------------------------------------------------------
// MARK: Lexer diagnostics
//------------------------------------------------------------------------------
WARNING(lex_nul_character,none,
"nul character embedded in middle of file", ())
ERROR(lex_utf16_bom_marker,none,
"input files must be encoded as UTF-8 instead of UTF-16", ())
ERROR(lex_hashbang_not_allowed,none,
"hashbang line is allowed only in the main file", ())
ERROR(lex_unprintable_ascii_character,none,
"unprintable ASCII character found in source file", ())
ERROR(lex_invalid_utf8,none,
"invalid UTF-8 found in source file", ())
ERROR(lex_single_quote_string,none,
"single-quoted string literal found, use '\"'", ())
ERROR(lex_invalid_curly_quote,none,
"unicode curly quote found, replace with '\"'", ())
NOTE(lex_confusable_character,none,
"unicode character '%0' (%1) looks similar to '%2' (%3); did you mean to use '%2' (%3)?",
(StringRef, StringRef, StringRef, StringRef))
WARNING(lex_nonbreaking_space,none,
"non-breaking space (U+00A0) used instead of regular space", ())
ERROR(lex_unterminated_block_comment,none,
"unterminated '/*' comment", ())
NOTE(lex_comment_start,none,
"comment started here", ())
ERROR(lex_unterminated_string,none,
"unterminated string literal", ())
ERROR(lex_invalid_escape,none,
"invalid escape sequence in literal", ())
ERROR(lex_invalid_u_escape,none,
"\\u{...} escape sequence expects between 1 and 8 hex digits", ())
ERROR(lex_invalid_u_escape_rbrace,none,
"expected '}' in \\u{...} escape sequence", ())
ERROR(lex_invalid_escape_delimiter,none,
"too many '#' characters in delimited escape", ())
ERROR(lex_invalid_closing_delimiter,none,
"too many '#' characters in closing delimiter", ())
ERROR(lex_regex_literal_invalid_starting_char,none,
"regex literal may not start with %0; add backslash to escape",
(StringRef))
ERROR(lex_regex_literal_invalid_ending_char,none,
"regex literal may not end with %0; use extended literal instead",
(StringRef))
ERROR(lex_regex_literal_unterminated,none,
"unterminated regex literal", ())
ERROR(lex_invalid_unicode_scalar,none,
"invalid unicode scalar", ())
ERROR(lex_unicode_escape_braces,none,
"expected hexadecimal code in braces after unicode escape", ())
ERROR(lex_illegal_multiline_string_start,none,
"multi-line string literal content must begin on a new line", ())
ERROR(lex_illegal_multiline_string_end,none,
"multi-line string literal closing delimiter must begin on a new line", ())
ERROR(lex_multiline_string_indent_inconsistent,none,
"%select{unexpected space in|unexpected tab in|insufficient}2 indentation of "
"%select{line|next %1 lines}0 in multi-line string literal",
(bool, unsigned, unsigned))
NOTE(lex_multiline_string_indent_should_match_here,none,
"should match %select{space|tab}0 here", (unsigned))
NOTE(lex_multiline_string_indent_change_line,none,
"change indentation of %select{this line|these lines}0 to match closing delimiter", (bool))
ERROR(lex_escaped_newline_at_lastline,none,
"escaped newline at the last line is not allowed", ())
ERROR(lex_invalid_character,none,
"invalid character in source file", ())
ERROR(lex_invalid_identifier_start_character,none,
"an identifier cannot begin with this character", ())
ERROR(lex_expected_digit_in_fp_exponent,none,
"expected a digit in floating point exponent", ())
ERROR(lex_invalid_digit_in_fp_exponent,none,
"'%0' is not a valid %select{digit|first character}1 in floating point exponent",
(StringRef, bool))
ERROR(lex_invalid_digit_in_int_literal,none,
"'%0' is not a valid %select{binary digit (0 or 1)|octal digit (0-7)|"
"digit|hexadecimal digit (0-9, A-F)}1 in integer literal",
(StringRef, unsigned))
ERROR(lex_expected_binary_exponent_in_hex_float_literal,none,
"hexadecimal floating point literal must end with an exponent", ())
ERROR(lex_unexpected_block_comment_end,none,
"unexpected end of block comment", ())
ERROR(lex_unary_equal,none,
"'=' must have consistent whitespace on both sides", ())
ERROR(extra_whitespace_period,none,
"extraneous whitespace after '.' is not permitted", ())
ERROR(lex_editor_placeholder,none,
"editor placeholder in source file", ())
WARNING(lex_editor_placeholder_in_playground,none,
"editor placeholder in source file", ())
ERROR(lex_conflict_marker_in_file,none,
"source control conflict marker in source file", ())
//------------------------------------------------------------------------------
// MARK: Declaration parsing diagnostics
//------------------------------------------------------------------------------
NOTE(note_in_decl_of,none,
"in declaration of %0", (DeclNameRef))
NOTE(note_in_extension_of,none,
"in extension of %0", (TypeRepr *))
ERROR(line_directive_style_deprecated,none,
"#line directive was renamed to #sourceLocation", ())
ERROR(declaration_same_line_without_semi,none,
"consecutive declarations on a line must be separated by ';'", ())
ERROR(expected_decl,none,
"expected declaration", ())
ERROR(expected_identifier_in_decl,none,
"expected identifier in %0 declaration", (StringRef))
ERROR(expected_keyword_in_decl,none,
"expected '%0' keyword in %1 declaration", (StringRef, DescriptiveDeclKind))
ERROR(number_cant_start_decl_name,none,
"%0 name can only start with a letter or underscore, not a number",
(StringRef))
ERROR(expected_identifier_after_case_comma, PointsToFirstBadToken,
"expected identifier after comma in enum 'case' declaration", ())
ERROR(let_cannot_be_computed_property,none,
"'let' declarations cannot be computed properties", ())
ERROR(let_cannot_be_observing_property,none,
"'let' declarations cannot be observing properties", ())
ERROR(let_cannot_be_addressed_property,none,
"'let' declarations cannot have addressors", ())
ERROR(disallowed_var_multiple_getset,none,
"'var' declarations with multiple variables cannot have explicit"
" getters/setters", ())
ERROR(stub_decl_cannot_have_body,none,
"stub %0 cannot have body",
(DescriptiveDeclKind))
ERROR(disallowed_init,none,
"initial value is not allowed here", ())
ERROR(disallowed_enum_element,none,
"enum 'case' is not allowed outside of an enum", ())
ERROR(decl_inner_scope,none,
"declaration is only valid at file scope", ())
ERROR(decl_not_static,none,
"declaration cannot be marked %0", (StaticSpellingKind))
ERROR(cskeyword_not_attribute,none,
"'%0' is a declaration modifier, not an attribute", (StringRef))
ERROR(decl_already_static,none,
"%0 cannot appear after another 'static' or 'class' keyword", (StaticSpellingKind))
ERROR(enum_case_dot_prefix,none,
"extraneous '.' in enum 'case' declaration", ())
// Variable getters/setters
ERROR(static_var_decl_global_scope,none,
"%select{%error|static properties|class properties}0 may only be declared on a type",
(StaticSpellingKind))
ERROR(expected_getset_in_protocol,none,
"expected get or set in a protocol property", ())
ERROR(expected_getreadset_in_protocol,none,
"expected get, read, or set in a protocol property", ())
ERROR(unexpected_getset_implementation_in_protocol,none,
"protocol property %0 cannot have a default implementation specified "
"here; use extension instead", (StringRef))
ERROR(computed_property_missing_type,none,
"computed property must have an explicit type", ())
ERROR(getset_nontrivial_pattern,none,
"getter/setter can only be defined for a single variable", ())
ERROR(expected_rbrace_in_getset,none,
"expected '}' at end of variable get/set clause", ())
ERROR(duplicate_accessor,none,
"%select{variable|subscript}0 already has %1", (unsigned, StringRef))
ERROR(conflicting_accessor,none,
"%select{variable|subscript}0 cannot provide both %1 and %2",
(unsigned, StringRef, StringRef))
NOTE(previous_accessor,none,
"%select{|previous definition of }1%0 %select{defined |}1here", (StringRef, bool))
ERROR(expected_accessor_parameter_name,none,
"expected %select{setter|willSet|didSet}0 parameter name",
(unsigned))
ERROR(expected_rparen_set_name,none,
"expected ')' after setter parameter name",())
ERROR(expected_rparen_willSet_name,none,
"expected ')' after willSet parameter name",())
ERROR(expected_rparen_didSet_name,none,
"expected ')' after didSet parameter name",())
ERROR(expected_lbrace_accessor,PointsToFirstBadToken,
"expected '{' to start %0 definition", (StringRef))
ERROR(expected_accessor_kw,none,
"expected 'get', 'set', 'willSet', or 'didSet' keyword to "
"start an accessor definition",())
ERROR(invalid_accessor_specifier,none,
"'%0' accessor cannot have specifier '%1'",
(StringRef, StringRef))
ERROR(invalid_accessor_with_effectful_get,none,
"'%0' accessor is not allowed on property with 'get' accessor that is 'async' or 'throws'",
(StringRef))
ERROR(missing_getter,none,
"%select{variable|subscript}0 with %1 must also have a getter",
(unsigned, StringRef))
ERROR(missing_reading_accessor,none,
"%select{variable|subscript}0 with %1 must also have "
"a getter, addressor, or 'read' accessor",
(unsigned, StringRef))
ERROR(observing_accessor_conflicts_with_accessor,none,
"%select{'willSet'|'didSet'}0 cannot be provided together with %1",
(unsigned, StringRef))
ERROR(observing_accessor_in_subscript,none,
"%select{'willSet'|'didSet'}0 is not allowed in subscripts", (unsigned))
ERROR(getset_cannot_be_implied,none,
"variable with implied type cannot have implied getter/setter", ())
ERROR(accessor_requires_coroutine_accessors,none,
"%0 is only valid when experimental feature coroutine accessors is enabled",
(StringRef))
// Import
ERROR(decl_expected_module_name,none,
"expected module name in import declaration", ())
ERROR(expected_module_alias,none,
"cannot refer to module as %0 because it has been aliased; use %1 "
"instead", (Identifier, Identifier))
ERROR(unexpected_operator_in_import_path,none,
"cannot include postfix operator in import declaration",())
// Extension
ERROR(expected_lbrace_extension,PointsToFirstBadToken,
"expected '{' in extension", ())
ERROR(expected_rbrace_extension,none,
"expected '}' at end of extension", ())
ERROR(extension_type_expected,none,
"expected type name in extension declaration", ())
// TypeAlias
ERROR(expected_equal_in_typealias,PointsToFirstBadToken,
"expected '=' in type alias declaration", ())
ERROR(expected_type_in_typealias,PointsToFirstBadToken,
"expected type in type alias declaration", ())
ERROR(expected_type_in_associatedtype,PointsToFirstBadToken,
"expected type in associated type declaration", ())
ERROR(associated_type_generic_parameter_list,PointsToFirstBadToken,
"associated types must not have a generic parameter list", ())
// Func
ERROR(func_decl_without_paren,PointsToFirstBadToken,
"expected '(' in argument list of function declaration", ())
ERROR(static_func_decl_global_scope,none,
"%select{%error|static methods|class methods}0 may only be declared on a type",
(StaticSpellingKind))
ERROR(func_decl_expected_arrow,none,
"expected '->' after function parameter tuple", ())
ERROR(operator_static_in_protocol,none,
"operator '%0' declared in protocol must be 'static'",
(StringRef))
ERROR(async_func_modifier,none,
"'async' must be written after the parameter list of a function", ())
// Enum
ERROR(expected_lbrace_enum,PointsToFirstBadToken,
"expected '{' in enum", ())
ERROR(expected_rbrace_enum,none,
"expected '}' at end of enum", ())
// Struct
ERROR(expected_lbrace_struct,PointsToFirstBadToken,
"expected '{' in struct", ())
ERROR(expected_rbrace_struct,none,
"expected '}' in struct", ())
// Class
ERROR(expected_lbrace_class,PointsToFirstBadToken,
"expected '{' in class", ())
ERROR(expected_rbrace_class,none,
"expected '}' in class", ())
ERROR(expected_colon_class, PointsToFirstBadToken,
"expected ':' to begin inheritance clause",())
// Actor
ERROR(expected_lbrace_actor,PointsToFirstBadToken,
"expected '{' in actor", ())
ERROR(expected_rbrace_actor,none,
"expected '}' in actor", ())
// Protocol
ERROR(expected_lbrace_protocol,PointsToFirstBadToken,
"expected '{' in protocol type", ())
ERROR(expected_rbrace_protocol,none,
"expected '}' in protocol", ())
ERROR(protocol_setter_name,none,
"setter in a protocol cannot have a name", ())
ERROR(protocol_method_with_body,none,
"protocol methods must not have bodies", ())
ERROR(protocol_init_with_body,none,
"protocol initializers must not have bodies", ())
// Subscripting
ERROR(subscript_decl_wrong_scope,none,
"'subscript' functions may only be declared within a type", ())
ERROR(expected_lparen_subscript,PointsToFirstBadToken,
"expected '(' for subscript parameters", ())
ERROR(subscript_has_name,PointsToFirstBadToken,
"subscripts cannot have a name", ())
ERROR(expected_arrow_subscript,PointsToFirstBadToken,
"expected '->' for subscript element type", ())
ERROR(expected_type_subscript,PointsToFirstBadToken,
"expected subscripting element type", ())
ERROR(expected_lbrace_subscript,PointsToFirstBadToken,
"expected '{' in subscript to specify getter and setter implementation",
())
ERROR(expected_lbrace_subscript_protocol,PointsToFirstBadToken,
"subscript in protocol must have explicit { get } or "
"{ get set } specifier", ())
ERROR(subscript_without_get,none,
"subscript declarations must have a getter", ())
// initializer
ERROR(initializer_decl_wrong_scope,none,
"initializers may only be declared within a type", ())
ERROR(expected_lparen_initializer,PointsToFirstBadToken,
"expected '(' for initializer parameters", ())
ERROR(initializer_has_name,PointsToFirstBadToken,
"initializers cannot have a name", ())
ERROR(initializer_result_type,PointsToFirstBadToken,
"initializers cannot have a result type", ())
// Destructor
ERROR(destructor_decl_outside_class_or_noncopyable,none,
"deinitializers may only be declared within a class, actor, or noncopyable type", ())
ERROR(destructor_decl_on_noncopyable_enum,none,
"deinitializers are not yet supported on noncopyable enums", ())
ERROR(expected_lbrace_destructor,PointsToFirstBadToken,
"expected '{' for deinitializer", ())
ERROR(destructor_has_name,PointsToFirstBadToken,
"deinitializers cannot have a name", ())
ERROR(opened_destructor_expected_rparen,none,
"expected ')' to close parameter list", ())
ERROR(destructor_params,none,
"no parameter clause allowed on deinitializer", ())
// Operator
ERROR(operator_decl_inner_scope,none,
"'operator' may only be declared at file scope", ())
ERROR(expected_operator_name_after_operator,PointsToFirstBadToken,
"expected operator name in operator declaration", ())
ERROR(identifier_within_operator_name,PointsToFirstBadToken,
"'%0' is considered an identifier and must not "
"appear within an operator name", (StringRef))
ERROR(operator_name_invalid_char,PointsToFirstBadToken,
"'%0' is not allowed in operator names", (StringRef))
ERROR(postfix_operator_name_cannot_start_with_unwrap,PointsToFirstBadToken,
"postfix operator names starting with '?' or '!' are disallowed "
"to avoid collisions with built-in unwrapping operators", ())
ERROR(deprecated_operator_body,PointsToFirstBadToken,
"operator should no longer be declared with body", ())
ERROR(deprecated_operator_body_use_group,PointsToFirstBadToken,
"operator should no longer be declared with body; "
"use a precedence group instead", ())
ERROR(operator_decl_no_fixity,none,
"operator must be declared as 'prefix', 'postfix', or 'infix'", ())
ERROR(operator_decl_expected_precedencegroup, none,
"expected precedence group name after ':' in operator declaration", ())
ERROR(operator_decl_should_not_contain_other_attributes, none,
"unexpected attribute %0 in operator declaration", (DeclAttribute))
WARNING(operator_decl_remove_designated_types,none,
"designated types are no longer used by the compiler; please remove "
"the designated type list from this operator declaration", ())
// PrecedenceGroup
ERROR(precedencegroup_not_infix,none,
"only infix operators may declare a precedence", ())
ERROR(expected_precedencegroup_name,none,
"expected identifier after 'precedencegroup'", ())
ERROR(expected_precedencegroup_lbrace,none,
"expected '{' after name of precedence group", ())
ERROR(expected_precedencegroup_attribute,none,
"expected operator attribute identifier in precedence group body", ())
ERROR(unknown_precedencegroup_attribute,none,
"'%0' is not a valid precedence group attribute", (StringRef))
ERROR(expected_precedencegroup_attribute_colon,none,
"expected colon after attribute name in precedence group", (StringRef))
ERROR(precedencegroup_attribute_redeclared,none,
"'%0' attribute for precedence group declared multiple times",
(StringRef))
ERROR(expected_precedencegroup_associativity,none,
"expected 'none', 'left', or 'right' after 'associativity'", ())
ERROR(expected_precedencegroup_assignment,none,
"expected 'true' or 'false' after 'assignment'", ())
ERROR(expected_precedencegroup_relation,none,
"expected name of related precedence group after '%0'",
(StringRef))
// SIL
ERROR(expected_sil_keyword,none,
"expected SIL keyword", ())
ERROR(inout_not_attribute, none,
"'inout' is no longer an attribute", ())
ERROR(only_allowed_in_sil,none,
"'%0' only allowed in SIL modules", (StringRef))
ERROR(expected_sil_type,none,
"expected type in SIL code", ())
ERROR(expected_sil_colon_value_ref,none,
"expected ':' before type in SIL value reference", ())
ERROR(expected_sil_value_name,none,
"expected SIL value name", ())
ERROR(expected_sil_type_kind,none,
"expected SIL type to %0", (StringRef))
ERROR(expected_sil_constant,none,
"expected constant in SIL code", ())
ERROR(referenced_value_no_accessor,none,
"referenced declaration has no %select{getter|setter}0", (unsigned))
ERROR(expected_sil_value_ownership_kind,none,
"expected value ownership kind in SIL code", ())
ERROR(unrecognized_sil_qualifier,none, "unrecognized SIL qualifier", ())
ERROR(silfunc_and_silarg_have_incompatible_sil_value_ownership,none,
"SILFunction and SILArgument have mismatching ValueOwnershipKinds. "
"Function type specifies: '@%0'. SIL argument specifies: '@%1'.",
(StringRef, StringRef))
ERROR(sil_arg_both_lexical_and_eagerMove,none,
"Function argument is annotated both '@_eagerMove' and '@_noEagerMove', "
"but these are incompatible alternatives", ())
ERROR(expected_sil_colon,none,
"expected ':' before %0", (StringRef))
ERROR(expected_sil_tuple_index,none,
"expected tuple element index", ())
ERROR(invalid_index_subset,none,
"invalid index subset; expected '[SU]+' where 'S' represents set indices "
"and 'U' represents unset indices", ())
ERROR(sil_invalid_attribute_for_instruction,none,
"The attribute '%0' is invalid for the instruction '%1'.",
(StringRef, StringRef))
ERROR(sil_invalid_attribute_for_expected,none,
"Invalid attribute '%0' (expected '%1').",
(StringRef, StringRef))
ERROR(expected_sil_profiler_counter_idx,none,
"expected profiler counter index", ())
ERROR(expected_sil_profiler_counter_pgo_func_name,none,
"expected profiler counter PGO function name", ())
ERROR(expected_sil_profiler_counter_total,none,
"expected profiler counter total", ())
ERROR(expected_sil_profiler_counter_hash,none,
"expected profiler counter hash", ())
ERROR(expected_sil_specify_test_body,none,
"expected a string consisting of the space-separated test arguments", ())
// SIL Values
ERROR(sil_value_redefinition,none,
"redefinition of value '%0'", (StringRef))
ERROR(sil_value_use_type_mismatch,none,
"value '%0' defined with mismatching type %1 (expected %2)", (StringRef, Type, Type))
ERROR(sil_value_def_type_mismatch,none,
"value '%0' used with mismatching type %1 (expected %2)", (StringRef, Type, Type))
ERROR(sil_use_of_undefined_value,none,
"use of undefined value '%0'", (StringRef))
ERROR(sil_forward_ref_value_needs_type,none,
"forward-referenced value '%0' needs a type annotation", (StringRef))
NOTE(sil_prior_reference,none,
"prior reference was here", ())
// SIL Locations
ERROR(expected_colon_in_sil_location,none,
"expected ':' in SIL location", ())
ERROR(sil_invalid_line_in_sil_location,none,
"line number must be a positive integer", ())
ERROR(sil_invalid_column_in_sil_location,none,
"column number must be a positive integer", ())
ERROR(sil_invalid_scope_slot,none,
"scope number must be a positive integer ", ())
ERROR(sil_invalid_constant,none,
"constant operand must be an integer literal ", ())
ERROR(sil_scope_undeclared,none,
"scope number %0 needs to be declared before first use", (unsigned))
ERROR(sil_scope_redefined,none,
"scope number %0 is already defined", (unsigned))
// SIL Instructions
ERROR(expected_sil_instr_start_of_line,none,
"SIL instructions must be at the start of a line", ())
ERROR(expected_equal_in_sil_instr,none,
"expected '=' in SIL instruction", ())
ERROR(wrong_result_count_in_sil_instr,none,
"wrong number of results for SIL instruction, expected %0", (unsigned))
ERROR(expected_sil_instr_opcode,none,
"expected SIL instruction opcode", ())
ERROR(expected_tok_in_sil_instr,none,
"expected '%0' in SIL instruction", (StringRef))
ERROR(sil_property_generic_signature_mismatch,none,
"sil_property generic signature must match original declaration", ())
ERROR(sil_string_no_encoding,none,
"string_literal instruction requires an encoding", ())
ERROR(sil_string_invalid_encoding,none,
"unknown string literal encoding '%0'", (StringRef))
ERROR(expected_tuple_type_in_tuple,none,
"tuple instruction requires a tuple type", ())
ERROR(sil_tuple_inst_wrong_value_count,none,
"tuple instruction requires %0 values", (unsigned))
ERROR(sil_tuple_inst_wrong_field,none,
"tuple instruction requires a field number", ())
ERROR(sil_struct_inst_wrong_field,none,
"struct instruction requires a field name", ())
ERROR(sil_ref_inst_wrong_field,none,
"ref_element_addr instruction requires a field name", ())
ERROR(sil_invalid_instr_operands,none,
"invalid instruction operands", ())
ERROR(sil_operand_not_address,none,
"%0 of '%1' must have address type", (StringRef, StringRef))
ERROR(sil_operand_not_object,none,
"%0 of '%1' must have object type", (StringRef, StringRef))
ERROR(sil_operand_has_incorrect_moveonlywrapped,none,
"%0 of '%1' %select{must|must not}2 be of moveonlywrapped type", (StringRef, StringRef, unsigned))
ERROR(sil_operand_not_ref_storage_address,none,
"%0 operand of '%1' must have address of %2 type",
(StringRef, StringRef, ReferenceOwnership))
ERROR(sil_integer_literal_not_integer_type,none,
"integer_literal instruction requires a 'Builtin.Int<n>' type", ())
ERROR(sil_integer_literal_not_well_formed,none,
"integer_literal value not well-formed for type %0", (Type))
ERROR(sil_float_literal_not_float_type,none,
"float_literal instruction requires a 'Builtin.FP<n>' type", ())
ERROR(sil_substitutions_on_non_polymorphic_type,none,
"apply of non-polymorphic function cannot have substitutions", ())
ERROR(sil_witness_method_not_protocol,none,
"witness_method is not a protocol method", ())
ERROR(sil_witness_method_type_does_not_conform,none,
"witness_method type does not conform to protocol", ())
ERROR(sil_member_decl_not_found,none, "member not found", ())
ERROR(sil_named_member_decl_not_found,none,
"member %0 not found in type %1", (DeclName, Type))
ERROR(sil_member_lookup_bad_type,none,
"cannot lookup member %0 in non-nominal, non-module type %1",
(DeclName, Type))
ERROR(sil_member_decl_type_mismatch,none,
"member defined with mismatching type %0 (expected %1)", (Type, Type))
ERROR(sil_substitution_mismatch,none,
"substitution replacement type %0 does not conform to protocol %1",
(Type, Type))
ERROR(sil_not_class,none,
"substitution replacement type %0 is not a class type",
(Type))
ERROR(sil_missing_substitutions,none,
"missing substitutions", ())
ERROR(sil_too_many_substitutions,none,
"too many substitutions", ())
ERROR(sil_objc_with_tail_elements,none,
"alloc_ref [objc] cannot have tail allocated elements", ())
ERROR(sil_expected_access_kind,none,
"%0 instruction must have explicit access kind", (StringRef))
ERROR(sil_expected_access_enforcement,none,
"%0 instruction must have explicit access enforcement", (StringRef))
ERROR(sil_dbg_unknown_key,none,
"unknown key '%0' in debug variable declaration", (StringRef))
ERROR(sil_dbg_unknown_expr_part,none,
"unrecognized debug info expression %0", (StringRef))
ERROR(sil_dbg_expr_expect_operand_kind,none,
"operator %0 expects a %1 kind operand here", (StringRef, StringRef))
ERROR(sil_keypath_expected_component_kind,none,
"expected keypath component kind", ())
ERROR(sil_keypath_unknown_component_kind,none,
"unknown keypath component kind %0", (Identifier))
ERROR(sil_keypath_computed_property_missing_part,none,
"keypath %select{gettable|settable}0_property component needs an "
"%select{id and getter|id, getter, and setter}0", (bool))
ERROR(sil_keypath_no_root,none,
"keypath must have a root component declared",())
ERROR(sil_keypath_index_not_hashable,none,
"key path index type %0 does not conform to Hashable", (Type))
ERROR(sil_keypath_index_operand_type_conflict,none,
"conflicting types for key path operand %0: %1 vs. %2",
(unsigned, Type, Type))
ERROR(sil_keypath_no_use_of_operand_in_pattern,none,
"operand %0 is not referenced by any component in the pattern",
(unsigned))
ERROR(sil_markmustcheck_invalid_attribute,none,
"Attribute '[%0]' can not be applied to mark_value_as_moveonly", (StringRef))
ERROR(sil_markmustcheck_requires_attribute,none,
"mark_unresolved_non_copyable_value requires an attribute like 'noImplicitCopy'", ())
ERROR(sil_moveonlytocopyable_invalid_attribute,none,
"Attribute '[%0]' can not be applied to moveonlywrapper_to_copyable", (StringRef))
ERROR(sil_moveonlytocopyable_requires_attribute,none,
"moveonlywrapper_to_copyable requires either a [guaranteed] or [owned] attribute", ())
ERROR(expected_generic_signature,none,
"expected a generic signature", ())
ERROR(sil_expected_uuid,none,
"expected a UUID string literal", ())
NOTE(sil_previous_instruction,none, "previous instruction", ())
// SIL Basic Blocks
ERROR(expected_sil_block_name,none,
"expected basic block name or '}'", ())
ERROR(expected_sil_block_colon,none,
"expected ':' after basic block name", ())
ERROR(sil_undefined_basicblock_use,none,
"use of undefined basic block %0", (Identifier))
ERROR(sil_basicblock_redefinition,none,
"redefinition of basic block %0", (Identifier))
ERROR(sil_basicblock_arg_rparen,none,
"expected ')' in basic block argument list", ())
// SIL Functions
ERROR(expected_sil_function_name,none,
"expected SIL function name", ())
ERROR(expected_sil_rbrace,none,
"expected '}' at the end of a sil body", ())
ERROR(expected_sil_function_type, none,
"sil function expected to have SIL function type", ())
ERROR(sil_dynamically_replaced_func_not_found,none,
"dynamically replaced function not found %0", (Identifier))
ERROR(sil_adhoc_requirement_witness_func_not_found,none,
"ad-hoc requirement witness function not found %0", (Identifier))
ERROR(sil_specialize_target_func_not_found,none,
"_specialize target function not found %0", (Identifier))
ERROR(sil_availability_expected_version,none,
"expected version number in 'available' attribute", ())
// SIL Stage
ERROR(expected_sil_stage_name, none,
"expected 'raw' or 'canonical' after 'sil_stage'", ())
ERROR(multiple_sil_stage_decls, none,
"sil_stage declared multiple times", ())
// SIL VTable
ERROR(expected_sil_vtable_colon,none,
"expected ':' in a vtable entry", ())
ERROR(sil_vtable_func_not_found,none,
"sil function not found %0", (Identifier))
ERROR(sil_vtable_class_not_found,none,
"sil class not found %0", (Identifier))
ERROR(sil_vtable_bad_entry_kind,none,
"expected 'inherited' or 'override'", ())
ERROR(sil_vtable_expect_rsquare,none,
"expected ']' after vtable entry kind", ())
// SIL MoveOnlyDeinit
ERROR(sil_moveonlydeinit_func_not_found,none,
"sil function not found %0", (Identifier))
ERROR(sil_moveonlydeinit_nominal_not_found,none,
"sil nominal decl not found %0", (Identifier))
// SIL Global
ERROR(sil_global_variable_not_found,none,
"sil global not found %0", (Identifier))
// SIL Witness Table
ERROR(expected_sil_witness_colon,none,
"expected ':' in a witness table", ())
ERROR(expected_sil_witness_lparen,none,
"expected '(' in a witness table", ())
ERROR(expected_sil_witness_rparen,none,
"expected ')' in a witness table", ())
ERROR(sil_witness_func_not_found,none,
"sil function not found %0", (Identifier))
ERROR(sil_witness_protocol_not_found,none,
"sil protocol not found %0", (Identifier))
ERROR(sil_witness_assoc_not_found,none,
"sil associated type decl not found %0", (Identifier))
ERROR(sil_witness_assoc_conf_not_found,none,
"sil associated type path for conformance not found %0", (StringRef))
ERROR(sil_witness_protocol_conformance_not_found,none,
"sil protocol conformance not found", ())
// SIL default override table
ERROR(sil_default_override_func_not_found,none,
"sil function not found %0", (Identifier))
ERROR(sil_default_override_class_not_found,none,
"sil class not found %0", (Identifier))
ERROR(sil_default_override_decl_not_class,none,
"sil decl found for %0 is not a class", (Identifier))
// SIL differentiability witnesses
ERROR(sil_diff_witness_expected_token,PointsToFirstBadToken,
"expected '%0' in differentiability witness", (StringRef))
ERROR(sil_diff_witness_unknown_kind,PointsToFirstBadToken,
"unknown differentiability kind '%0'; expected 'forward', 'reverse', "
"'normal', or 'linear'", (StringRef))
ERROR(sil_diff_witness_serialized_declaration,none,
"differentiability witness declaration should not be serialized", ())
ERROR(sil_diff_witness_undefined,PointsToFirstBadToken,
"reference to undefined differentiability witness", ())
ERROR(sil_diff_witness_invalid_generic_signature,PointsToFirstBadToken,
"expected witness generic signature '%0' does not have same generic "
"parameters as original function generic signature '%1'",
(StringRef, StringRef))
// SIL Coverage Map
ERROR(sil_coverage_invalid_hash, none,
"expected coverage hash", ())
ERROR(sil_coverage_expected_lbrace, none,
"expected '{' in coverage map", ())
ERROR(sil_coverage_expected_loc, none,
"expected line:column pair", ())
ERROR(sil_coverage_expected_arrow, none,
"expected '->' after start location", ())
ERROR(sil_coverage_expected_colon, none,
"expected ':' after source range", ())
ERROR(sil_coverage_invalid_counter, none,
"expected counter expression, id, or 'zero'", ())
ERROR(sil_coverage_expected_rparen, none,
"expected ')' to end counter expression", ())
ERROR(sil_coverage_expected_quote, none,
"expected quotes surrounding PGO function name", ())
ERROR(sil_coverage_invalid_operator, none,
"expected '+' or '-'", ())
//------------------------------------------------------------------------------
// MARK: Type parsing diagnostics
//------------------------------------------------------------------------------
ERROR(expected_type,PointsToFirstBadToken,
"expected type", ())
ERROR(expected_init_value,PointsToFirstBadToken,
"expected initial value after '='", ())
// Named types
ERROR(expected_identifier_in_dotted_type,PointsToFirstBadToken,
"expected identifier in dotted type", ())
ERROR(expected_identifier_for_type,PointsToFirstBadToken,
"expected identifier for type name", ())
ERROR(expected_rangle_generic_arg_list,PointsToFirstBadToken,
"expected '>' to complete generic argument list", ())
// Function types
ERROR(expected_type_function_result,PointsToFirstBadToken,
"expected type for function result", ())
ERROR(generic_non_function,PointsToFirstBadToken,
"only syntactic function types can be generic", ())
ERROR(rethrowing_function_type,none,
"only function declarations may be marked 'rethrows'; "
"did you mean 'throws'?", ())
ERROR(reasync_function_type,none,
"only function declarations may be marked 'reasync'; "
"did you mean 'async'?", ())
ERROR(async_or_throws_in_wrong_position,none,
"'%0' may only occur before '->'", (StringRef))
ERROR(throw_in_function_type,none,
"expected throwing specifier; did you mean 'throws'?", ())
ERROR(expected_type_before_arrow,none,
"expected type before '->'", ())
ERROR(expected_type_after_arrow,none,
"expected type after '->'", ())
ERROR(function_type_argument_label,none,
"function types cannot have argument labels; use '_' before %0",
(Identifier))
ERROR(expected_dynamic_func_attr,none,
"expected a dynamically_replaceable function", ())
ERROR(async_after_throws,none,
"%select{'async'|'reasync'}0 must precede %select{'throws'|'rethrows'}1",
(bool, bool))
ERROR(await_in_function_type,none,
"expected async specifier; did you mean 'async'?", ())
ERROR(duplicate_effects_specifier,none,
"'%0' has already been specified", (StringRef))
// Enum Types
ERROR(expected_expr_enum_case_raw_value,PointsToFirstBadToken,
"expected expression after '=' in 'case'", ())
ERROR(nonliteral_enum_case_raw_value,PointsToFirstBadToken,
"raw value for enum case must be a literal", ())
// Collection Types
ERROR(new_array_syntax,none,
"array types are now written with the brackets around the element type",
())
ERROR(expected_rbracket_array_type,PointsToFirstBadToken,
"expected ']' in array type", ())
ERROR(expected_element_type,PointsToFirstBadToken,
"expected element type", ())
ERROR(expected_dictionary_value_type,PointsToFirstBadToken,
"expected dictionary value type", ())
ERROR(expected_rbracket_dictionary_type,PointsToFirstBadToken,
"expected ']' in dictionary type", ())
ERROR(extra_rbracket,PointsToFirstBadToken,
"unexpected ']' in type; did you mean to write an array type?", ())
ERROR(extra_colon,PointsToFirstBadToken,
"unexpected ':' in type; did you mean to write a dictionary type?", ())
WARNING(subscript_array_element, none,
"unexpected subscript in array literal; did you mean to write two "
"separate elements instead?", ())
NOTE(subscript_array_element_fix_it_add_comma, none, "add a separator between "
"the elements", ())
NOTE(subscript_array_element_fix_it_remove_space, none,
"remove the space between the elements to silence this warning", ())
// Inline Array
ERROR(expected_rsquare_inline_array,none,
"expected ']' in inline array type", ())
// Tuple Types
ERROR(expected_rparen_tuple_type_list,none,
"expected ')' at end of tuple list", ())
ERROR(tuple_type_init,none,
"default argument not permitted in a tuple type", ())
ERROR(protocol_method_argument_init,none,
"default argument not permitted in a protocol method", ())
ERROR(protocol_init_argument_init,none,
"default argument not permitted in a protocol initializer", ())
ERROR(protocol_subscript_argument_init,none,
"default argument not permitted in a protocol subscript", ())
ERROR(tuple_type_multiple_labels,none,
"tuple element cannot have two labels", ())
// Protocol Types
ERROR(expected_rangle_protocol,PointsToFirstBadToken,
"expected '>' to complete protocol-constrained type", ())
ERROR(deprecated_protocol_composition,none,
"'protocol<...>' composition syntax has been removed; join the type constraints using '&'", ())
ERROR(deprecated_protocol_composition_single,none,
"'protocol<...>' composition syntax has been removed and is not needed here", ())
ERROR(deprecated_any_composition,none,
"'protocol<>' syntax has been removed; use 'Any' instead", ())
// Pack Types
ERROR(expected_rbrace_pack_type_list,none,
"expected '}' at end of pack type list", ())
// SIL box Types
ERROR(sil_box_expected_var_or_let,none,
"expected 'var' or 'let' to introduce SIL box field type", ())
ERROR(sil_box_expected_r_brace,none,
"expected '}' to complete SIL box field type list", ())
ERROR(sil_box_expected_r_angle,none,
"expected '>' to complete SIL box generic argument list", ())
ERROR(sil_box_expected,none,
"%0 expects its operand to be of SIL box field type", (StringRef))
// SIL function types
ERROR(sil_function_subst_expected_l_angle,none,
"expected '<' to begin SIL function type substitution list after 'for'", ())
ERROR(sil_function_subst_expected_r_angle,none,
"expected '>' to end SIL function type substitution list after 'for <...'", ())
ERROR(sil_function_subst_expected_generics,none,
"expected '<' to begin substituted parameter list after '@substituted'", ())
ERROR(sil_function_subst_expected_function,none,
"expected function type after '@substituted'", ())
ERROR(sil_function_subst_expected_subs,none,
"expected 'for' to begin substitutions after '@substituted' function type", ())
ERROR(sil_function_subs_without_generics,none,
"unexpected 'for' to begin substitutions after non-generic function type", ())
// Opaque types
ERROR(opaque_mid_composition,none,
"'%0' should appear at the beginning of a composition",
(StringRef))
//------------------------------------------------------------------------------
// MARK: Layout constraint diagnostics
//------------------------------------------------------------------------------
ERROR(layout_size_should_be_positive,none,
"expected non-negative size to be specified in layout constraint", ())
ERROR(layout_alignment_should_be_positive,none,
"expected non-negative alignment to be specified in layout constraint", ())
ERROR(expected_rparen_layout_constraint,none,
"expected ')' to complete layout constraint", ())
ERROR(layout_constraints_only_inside_specialize_attr,none,
"layout constraints are only allowed inside '_specialize' attributes", ())
//------------------------------------------------------------------------------
// MARK: Pattern parsing diagnostics
//------------------------------------------------------------------------------
ERROR(expected_pattern,PointsToFirstBadToken,
"expected pattern", ())
ERROR(keyword_cant_be_identifier,none,
"keyword '%0' cannot be used as an identifier here", (StringRef))
ERROR(repeated_identifier,none,
"found an unexpected second identifier in %0 declaration; is there an accidental break?", (StringRef))
NOTE(join_identifiers,none,
"join the identifiers together", ())
NOTE(join_identifiers_camel_case,none,
"join the identifiers together with camel-case", ())
NOTE(backticks_to_escape,none,
"if this name is unavoidable, use backticks to escape it", ())
ERROR(expected_rparen_tuple_pattern_list,none,
"expected ')' at end of tuple pattern", ())
ERROR(untyped_pattern_ellipsis,none,
"'...' cannot be applied to a subpattern which is not explicitly typed", ())
ERROR(no_default_arg_closure,none,
"default arguments are not allowed in closures", ())
ERROR(no_default_arg_curried,none,
"default arguments are not allowed in curried parameter lists", ())
ERROR(var_pattern_in_var,none,
"'%select{let||var}0' cannot appear nested inside another 'var' or "
"'let' pattern", (unsigned))
ERROR(var_pattern_in_var_inout,none,
"'%select{let|inout|var}0' cannot appear nested inside another 'var', "
"'let', or 'inout' pattern", (unsigned))
ERROR(extra_var_in_multiple_pattern_list,none,
"%0 must be bound in every pattern", (Identifier))
ERROR(let_pattern_in_immutable_context,none,
"'let' pattern cannot appear nested in an already immutable context", ())
WARNING(borrowing_syntax_change,none,
"'borrowing' in pattern matches is deprecated; use 'let'", ())
ERROR(borrowing_subpattern_unsupported,none,
"'borrowing' pattern modifier must be directly applied to pattern variable name", ())
ERROR(specifier_must_have_type,none,
"%0 arguments must have a type specified", (StringRef))
ERROR(expected_rparen_parameter,PointsToFirstBadToken,
"expected ')' in parameter", ())
ERROR(expected_parameter_type,PointsToFirstBadToken,
"expected parameter type following ':'", ())
ERROR(expected_parameter_name,PointsToFirstBadToken,
"expected parameter name followed by ':'", ())
ERROR(expected_parameter_colon,PointsToFirstBadToken,
"expected ':' following argument label and parameter name", ())
ERROR(expected_assignment_instead_of_comparison_operator,none,
"expected '=' instead of '==' to assign default value for parameter", ())
ERROR(parameter_specifier_as_attr_disallowed,none,
"'%0' before a parameter name is not allowed, place it before the parameter type instead",
(StringRef))
ERROR(parameter_specifier_repeated,none,
"parameter may have at most one of the 'inout', 'borrowing', or 'consuming' specifiers", ())
WARNING(parameter_let_var_as_attr,none,
"'%0' in this position is interpreted as an argument label",
(StringRef))
WARNING(parameter_extraneous_double_up,none,
"extraneous duplicate parameter name; %0 already has an argument "
"label", (Identifier))
ERROR(parameter_operator_keyword_argument,none,
"%select{operator|closure|enum case}0 cannot have keyword arguments",
(unsigned))
ERROR(parameter_unnamed,none,
"unnamed parameters must be written with the empty name '_'", ())
ERROR(parameter_curry_syntax_removed,none,
"cannot have more than one parameter list", ())
ERROR(initializer_as_typed_pattern,none,
"unexpected initializer in pattern; did you mean to use '='?", ())
ERROR(enum_element_empty_arglist,none,
"enum element with associated values must have at least one "
"associated value", ())
WARNING(enum_element_empty_arglist_swift4,none,
"enum element with associated values must have at least one "
"associated value; this will be an error in the future "
"version of Swift", ())
NOTE(enum_element_empty_arglist_delete,none,
"did you mean to remove the empty associated value list?", ())
NOTE(enum_element_empty_arglist_add_void,none,
"did you mean to explicitly add a 'Void' associated value?", ())
//------------------------------------------------------------------------------
// Statement parsing diagnostics
//------------------------------------------------------------------------------
ERROR(expected_stmt,none,
"expected statement", ())
ERROR(illegal_top_level_stmt,none,
"statements are not allowed at the top level", ())
ERROR(illegal_top_level_expr,none,
"expressions are not allowed at the top level", ())
ERROR(illegal_semi_stmt,none,
"';' statements are not allowed", ())
ERROR(statement_begins_with_closure,none,
"top-level statement cannot begin with a closure expression", ())
ERROR(statement_same_line_without_semi,none,
"consecutive statements on a line must be separated by ';'", ())
ERROR(statement_same_line_without_newline,none,
"consecutive statements on a line must be separated by a newline", ())
ERROR(invalid_label_on_stmt,none,
"labels are only valid on loops, if, and switch statements", ())
ERROR(labeled_block_needs_do,none,
"labeled block needs 'do'", ())
// Assignment statement
ERROR(expected_expr_assignment,none,
"expected expression in assignment", ())
// Brace Statement
ERROR(expected_rbrace_in_brace_stmt,none,
"expected '}' at end of brace statement", ())
/// Associatedtype Statement
ERROR(typealias_inside_protocol_without_type,none,
"type alias is missing an assigned type; use 'associatedtype' to define an associated type requirement", ())
ERROR(associatedtype_outside_protocol,none,
"associated types can only be defined in a protocol; define a type or introduce a 'typealias' to satisfy an associated type requirement", ())
// Return Statement
ERROR(expected_expr_return,PointsToFirstBadToken,
"expected expression in 'return' statement", ())
WARNING(unindented_code_after_return,none,
"expression following 'return' is treated as an argument of "
"the 'return'", ())
NOTE(indent_expression_to_silence,none,
"indent the expression to silence this warning", ())
// Throw Statement
ERROR(expected_expr_throw,PointsToFirstBadToken,
"expected expression in 'throw' statement", ())
// Discard Statement
ERROR(expected_expr_discard,PointsToFirstBadToken,
"expected expression in 'discard' statement", ())
// Await/Async
ERROR(expected_await_not_async,none,
"found 'async' in expression; did you mean 'await'?", ())
// Yield Statement
ERROR(expected_expr_yield,PointsToFirstBadToken,
"expected expression in 'yield' statement", ())
ERROR(unexpected_label_yield,none,
"unexpected label in 'yield' statement", ())
// Defer Statement
ERROR(expected_lbrace_after_defer,PointsToFirstBadToken,
"expected '{' after 'defer'", ())
// If/While/Guard Conditions
ERROR(expected_comma_stmtcondition,none,
"expected ',' joining parts of a multi-clause condition", ())
ERROR(expected_expr_conditional,PointsToFirstBadToken,
"expected expression in conditional", ())
ERROR(expected_binding_keyword,none,
"expected '%0' in conditional", (StringRef))
ERROR(expected_expr_conditional_var,PointsToFirstBadToken,
"expected expression after '=' in conditional binding", ())
ERROR(conditional_var_initializer_required,none,
"variable binding in a condition requires an initializer", ())
ERROR(wrong_condition_case_location,none,
"pattern matching binding is spelled with 'case %0', not '%0 case'",
(StringRef))
ERROR(conditional_var_valid_identifiers_only,none,
"unwrap condition requires a valid identifier", ())
// If Statement
ERROR(expected_condition_if,PointsToFirstBadToken,
"expected expression, var, or let in 'if' condition", ())
ERROR(missing_condition_after_if,none,
"missing condition in 'if' statement", ())
ERROR(expected_lbrace_after_if,PointsToFirstBadToken,
"expected '{' after 'if' condition", ())
ERROR(expected_lbrace_or_if_after_else,PointsToFirstBadToken,
"expected '{' or 'if' after 'else'", ())
ERROR(expected_lbrace_or_if_after_else_fixit,PointsToFirstBadToken,
"expected '{' or 'if' after 'else'; did you mean to write 'if'?", ())
ERROR(unexpected_else_after_if,none,
"unexpected 'else' immediately following 'if' condition", ())
NOTE(suggest_removing_else,none,
"remove 'else' to execute the braced block of statements when the condition is true", ())
// Guard Statement
ERROR(expected_condition_guard,PointsToFirstBadToken,
"expected expression, var, let or case in 'guard' condition", ())
ERROR(missing_condition_after_guard,none,
"missing condition in 'guard' statement", ())
ERROR(expected_else_after_guard,PointsToFirstBadToken,
"expected 'else' after 'guard' condition", ())
ERROR(expected_lbrace_after_guard,PointsToFirstBadToken,
"expected '{' after 'guard' else", ())
// While Statement
ERROR(expected_condition_while,PointsToFirstBadToken,
"expected expression, var, or let in 'while' condition", ())
ERROR(missing_condition_after_while,none,
"missing condition in 'while' statement", ())
ERROR(expected_lbrace_after_while,PointsToFirstBadToken,
"expected '{' after 'while' condition", ())
// Repeat/While Statement
ERROR(expected_lbrace_after_repeat,PointsToFirstBadToken,
"expected '{' after 'repeat'", ())
ERROR(expected_while_after_repeat_body,PointsToFirstBadToken,
"expected 'while' after body of 'repeat' statement", ())
ERROR(expected_expr_repeat_while,PointsToFirstBadToken,
"expected expression in 'repeat-while' condition", ())
ERROR(do_while_now_repeat_while,none,
"'do-while' statement is not allowed", ())
NOTE(do_while_expected_repeat_while, none,
"did you mean 'repeat-while' statement?", ())
NOTE(do_while_expected_separate_stmt, none,
"did you mean separate 'do' and 'while' statements?", ())
// Do/Catch Statement
ERROR(expected_lbrace_after_do,PointsToFirstBadToken,
"expected '{' after 'do'", ())
ERROR(expected_lbrace_after_catch,PointsToFirstBadToken,
"expected '{' after 'catch' pattern", ())
ERROR(expected_catch_where_expr,PointsToFirstBadToken,
"expected expression for 'where' guard of 'catch'", ())
ERROR(docatch_not_trycatch,PointsToFirstBadToken,
"the 'do' keyword is used to specify a 'catch' region",
())
ERROR(do_throws_without_catch,none,
"a 'do' statement with a 'throws' clause must have at least one 'catch'",
())
// C-Style For Stmt
ERROR(c_style_for_stmt_removed,none,
"C-style for statement was removed in Swift 3", ())
// For-each Stmt
ERROR(expected_foreach_in,PointsToFirstBadToken,
"expected 'in' after for-each pattern", ())
ERROR(expected_foreach_container,PointsToFirstBadToken,
"expected Sequence expression for for-each loop", ())
ERROR(expected_foreach_lbrace,PointsToFirstBadToken,
"expected '{' to start the body of for-each loop", ())
ERROR(expected_foreach_where_expr,PointsToFirstBadToken,
"expected expression in 'where' guard of 'for/in'", ())
// Switch Stmt
ERROR(expected_switch_expr,PointsToFirstBadToken,
"expected expression in 'switch' statement", ())
ERROR(expected_lbrace_after_switch,PointsToFirstBadToken,
"expected '{' after 'switch' subject expression", ())
ERROR(expected_rbrace_switch,none,
"expected '}' at end of 'switch' statement", ())
ERROR(case_outside_of_switch,none,
"'%0' label can only appear inside a 'switch' statement", (StringRef))
ERROR(stmt_in_switch_not_covered_by_case,none,
"all statements inside a switch must be covered by a 'case' or 'default'",
())
ERROR(case_after_default,none,
"additional 'case' blocks cannot appear after the 'default' block of a 'switch'",
())
// Case Stmt
ERROR(expected_case_where_expr,PointsToFirstBadToken,
"expected expression for 'where' guard of 'case'", ())
ERROR(expected_case_colon,PointsToFirstBadToken,
"expected ':' after '%0'", (StringRef))
ERROR(extra_case_keyword,none,
"extraneous 'case' keyword in pattern", ())
ERROR(default_with_where,none,
"'default' cannot be used with a 'where' guard expression",
())
ERROR(case_stmt_without_body,none,
"%select{'case'|'default'}0 label in a 'switch' must have at least one "
"executable statement", (bool))
// 'try' on statements
ERROR(try_on_stmt,none,
"'try' cannot be used with '%0'", (StringRef))
ERROR(try_must_come_after_stmt,none,
"'try' must be placed on the %select{returned|thrown|yielded|produced}0 "
"expression",
(unsigned))
ERROR(try_on_var_let,none,
"'try' must be placed on the initial value expression", ())
//------------------------------------------------------------------------------
// MARK: Expression parsing diagnostics
//------------------------------------------------------------------------------
ERROR(expected_expr,none,
"expected expression", ())
ERROR(expected_separator,PointsToFirstBadToken,
"expected '%0' separator", (StringRef))
ERROR(unexpected_separator,none,
"unexpected '%0' separator", (StringRef))
ERROR(expected_expr_after_operator,none,
"expected expression after operator", ())
ERROR(expected_expr_after_unary_operator,none,
"expected expression after unary operator", ())
ERROR(expected_prefix_operator,none,
"unary operator cannot be separated from its operand", ())
ERROR(expected_operator_ref,none,
"expected operator name in operator reference", ())
ERROR(invalid_postfix_operator,none,
"operator with postfix spacing cannot start a subexpression", ())
ERROR(expected_member_name,PointsToFirstBadToken,
"expected member name following '.'", ())
ERROR(dollar_numeric_too_large,none,
"numeric value following '$' is too large", ())
ERROR(numeric_literal_numeric_member,none,
"expected named member of numeric literal", ())
ERROR(standalone_dollar_identifier,none,
"'$' is not an identifier; use backticks to escape it", ())
ERROR(dollar_identifier_decl,none,
"cannot declare entity named %0; the '$' prefix is reserved for "
"implicitly-synthesized declarations", (Identifier))
ERROR(anon_closure_arg_not_in_closure,none,
"anonymous closure argument not contained in a closure", ())
ERROR(anon_closure_arg_in_closure_with_args,none,
"anonymous closure arguments cannot be used inside a closure that has "
"explicit arguments", ())
ERROR(anon_closure_arg_in_closure_with_args_typo,none,
"anonymous closure arguments cannot be used inside a closure that has "
"explicit arguments; did you mean '%0'?", (StringRef))
ERROR(anon_closure_tuple_param_destructuring,none,
"closure tuple parameter does not support destructuring", ())
ERROR(expected_closure_parameter_name,none,
"expected the name of a closure parameter", ())
ERROR(nonisolated_closure_parameter_parentheses,none,
"the parameter list of a 'nonisolated' closure requires parentheses", ())
ERROR(expected_capture_specifier,none,
"expected 'weak', 'unowned', or no specifier in capture list", ())
ERROR(expected_capture_specifier_name,none,
"expected name of in closure capture list", ())
ERROR(expected_init_capture_specifier,none,
"expected initializer for closure capture specifier", ())
ERROR(expected_capture_list_end_rsquare,none,
"expected ']' at end of capture list", ())
ERROR(cannot_capture_fields,none,
"fields may only be captured by assigning to a specific name", ())
ERROR(expected_closure_result_type,none,
"expected closure result type after '->'", ())
ERROR(expected_closure_in,none,
"expected 'in' after the closure signature", ())
ERROR(unexpected_tokens_before_closure_in,none,
"unexpected tokens prior to 'in'", ())
ERROR(expected_closure_rbrace,none,
"expected '}' at end of closure", ())
WARNING(trailing_closure_after_newlines,none,
"braces here form a trailing closure separated from its callee by multiple newlines", ())
NOTE(trailing_closure_callee_here,none,
"callee is here", ())
ERROR(string_literal_no_atsign,none,
"string literals in Swift are not preceded by an '@' sign", ())
ERROR(invalid_float_literal_missing_leading_zero,none,
"'.%0' is not a valid floating point literal; it must be written '0.%0'",
(StringRef))
ERROR(special_condition_outside_if_stmt_guard, none,
"%0 may only be used as condition of an 'if', 'guard'"
" or 'while' statement", (StringRef))
ERROR(empty_arg_label_underscore, none,
"an empty argument label is spelled with '_'", ())
ERROR(expected_identifier_after_dot_expr,none,
"expected identifier after '.' expression", ())
ERROR(expected_identifier_after_super_dot_expr,
PointsToFirstBadToken,
"expected identifier or 'init' after super '.' expression", ())
WARNING(await_before_try,none, "'try' must precede 'await'", ())
// Tuples and parenthesized expressions
ERROR(expected_expr_in_expr_list,none,
"expected expression in list of expressions", ())
ERROR(expected_expr_in_collection_literal,none,
"expected expression in container literal", ())
ERROR(expected_key_in_dictionary_literal,none,
"expected key expression in dictionary literal", ())
ERROR(expected_value_in_dictionary_literal,none,
"expected value in dictionary literal", ())
ERROR(expected_colon_in_dictionary_literal,none,
"expected ':' in dictionary literal", ())
ERROR(expected_rparen_expr_list,none,
"expected ')' in expression list", ())
ERROR(expected_rsquare_expr_list,none,
"expected ']' in expression list", ())
ERROR(expected_label_before_colon,none, "expected argument label before colon", ())
// Array literal expressions
ERROR(expected_rsquare_array_expr,PointsToFirstBadToken,
"expected ']' in container literal expression", ())
// Object literal expressions
ERROR(expected_arg_list_in_object_literal,PointsToFirstBadToken,
"expected argument list in object literal", ())
// Ternary expressions
ERROR(expected_expr_after_ternary_question,none,
"expected expression after '?' in ternary expression", ())
ERROR(expected_colon_after_ternary_question,none,
"expected ':' after '? ...' in ternary expression", ())
ERROR(expected_expr_after_ternary_colon,none,
"expected expression after '? ... :' in ternary expression", ())
ERROR(expected_expr_after_await, none,
"expected expression after 'await'", ())
ERROR(expected_expr_after_unsafe, none,
"expected expression after 'unsafe'", ())
ERROR(expected_expr_after_move, none,
"expected expression after 'consume'", ())
ERROR(expected_expr_after_copy, none,
"expected expression after 'copy'", ())
ERROR(expected_expr_after_borrow, none,
"expected expression after '_borrow'", ())
ERROR(expected_expr_after_each, none,
"expected expression after 'each'", ())
ERROR(expected_expr_after_repeat, none,
"expected expression after 'repeat'", ())
ERROR(expected_expr_after_then,none,
"expected expression after 'then'", ())
WARNING(unindented_code_after_then,none,
"expression following 'then' is treated as an argument of "
"the 'then'", ())
WARNING(move_consume_final_spelling, none,
"'_move' has been renamed to 'consume', and the '_move' spelling will be removed shortly", ())
// Cast expressions
ERROR(expected_type_after_is,none,
"expected type after 'is'", ())
ERROR(expected_type_after_as,none,
"expected type after 'as'", ())
// Extra tokens in string interpolation like in " >> \( $0 } ) << "
ERROR(string_interpolation_extra,none,
"extra tokens after interpolated string expression", ())
// String interpolation isnt closed by a )
// ie: `let west = "ye \("`
ERROR(string_interpolation_unclosed, none,
"cannot find ')' to match opening '(' in string interpolation", ())
// Interpolations with parameter labels or multiple values
WARNING(string_interpolation_list_changing,none,
"interpolating multiple values will not form a tuple in Swift 5", ())
NOTE(string_interpolation_list_insert_parens,none,
"insert parentheses to keep current behavior", ())
WARNING(string_interpolation_label_changing,none,
"labeled interpolations will not be ignored in Swift 5", ())
NOTE(string_interpolation_remove_label,none,
"remove %0 label to keep current behavior", (Identifier))
// Keypath expressions.
ERROR(expr_keypath_expected_lparen,PointsToFirstBadToken,
"expected '(' following '#keyPath'", ())
ERROR(expr_keypath_expected_property_or_type,PointsToFirstBadToken,
"expected property or type name within '#keyPath(...)'", ())
ERROR(expr_keypath_expected_rparen,PointsToFirstBadToken,
"expected ')' to complete '#keyPath' expression", ())
ERROR(expr_keypath_expected_expr,none,
"expected expression path in Swift key path",())
// Selector expressions.
ERROR(expr_selector_expected_lparen,PointsToFirstBadToken,
"expected '(' following '#selector'", ())
ERROR(expr_selector_expected_method_expr,PointsToFirstBadToken,
"expected expression naming a method within '#selector(...)'", ())
ERROR(expr_selector_expected_property_expr,PointsToFirstBadToken,
"expected expression naming a property within '#selector(...)'", ())
ERROR(expr_selector_expected_rparen,PointsToFirstBadToken,
"expected ')' to complete '#selector' expression", ())
// '#assert'
ERROR(pound_assert_disabled,PointsToFirstBadToken,
"#assert is an experimental feature that is currently disabled", ())
ERROR(pound_assert_expected_lparen,PointsToFirstBadToken,
"expected '(' in #assert directive", ())
ERROR(pound_assert_expected_rparen,PointsToFirstBadToken,
"expected ')' in #assert directive", ())
ERROR(pound_assert_expected_expression,PointsToFirstBadToken,
"expected a condition expression", ())
ERROR(pound_assert_expected_string_literal,PointsToFirstBadToken,
"expected a string literal", ())
// Postfix '#if' expressions.
ERROR(expr_postfix_ifconfig_unexpectedtoken,none,
"unexpected tokens in '#if' expression body", ())
//------------------------------------------------------------------------------
// MARK: Attribute-parsing diagnostics
//------------------------------------------------------------------------------
ERROR(replace_equal_with_colon_for_value,none,
"'=' has been replaced with ':' in attribute arguments", ())
ERROR(expected_attribute_name,none,
"expected an attribute name", ())
ERROR(unexpected_lparen_in_attribute,none,
"unexpected '(' in attribute '%0'", (StringRef))
ERROR(duplicate_attribute,none,
"duplicate %select{attribute|modifier}0", (bool))
NOTE(previous_attribute,none,
"%select{attribute|modifier}0 already specified here", (bool))
ERROR(multiple_access_level_modifiers,none,
"multiple incompatible access-level modifiers specified", ())
NOTE(previous_access_level_modifier,none,
"previous modifier specified here", ())
ERROR(mutually_exclusive_attrs,none,
"%0 contradicts previous %select{attribute|modifier}2 %1",
(DeclAttribute, DeclAttribute, bool))
ERROR(mutually_exclusive_attr_names,none,
"'%0' contradicts previous %select{attribute|modifier}2 '%1'",
(StringRef, StringRef, bool))
ERROR(invalid_infix_on_func,none,
"'infix' modifier is not required or allowed on func declarations", ())
ERROR(error_in_effects_attribute,none,
"error in effects attribute: %0", (StringRef))
WARNING(warning_in_effects_attribute,none,
"effects attribute ignored: %0", (StringRef))
ERROR(expected_in_attribute_list,none,
"expected ']' or ',' in attribute list", ())
ERROR(type_attribute_applied_to_decl,none,
"attribute can only be applied to types, not declarations", ())
ERROR(decl_attribute_applied_to_type,none,
"attribute can only be applied to declarations, not types", ())
ERROR(attr_extra_whitespace_after_at,PointsToFirstBadToken,
"extraneous whitespace between '@' and attribute name", ())
ERROR(attr_extra_whitespace_before_lparen,PointsToFirstBadToken,
"extraneous whitespace between attribute name and '('", ())
ERROR(attr_expected_lparen,none,
"expected '(' in '%0' %select{attribute|modifier}1", (StringRef, bool))
ERROR(attr_expected_rparen,none,
"expected ')' in '%0' %select{attribute|modifier}1", (StringRef, bool))
ERROR(attr_expected_semi,none,
"expected ';' in '%0' %select{attribute|modifier}1", (StringRef, bool))
ERROR(attr_expected_comma,none,
"expected ',' in '%0' %select{attribute|modifier}1", (StringRef, bool))
ERROR(attr_expected_string_literal,none,
"expected string literal in '%0' attribute", (StringRef))
ERROR(attr_expected_option_such_as,none,
"expected '%0' option such as '%1'", (StringRef, StringRef))
ERROR(attr_expected_option_identifier,none,
"expected '%0' option to be an identifier", (StringRef))
ERROR(attr_unknown_option,none,
"unknown option '%0' for attribute '%1'", (StringRef, StringRef))
ERROR(attr_missing_label,PointsToFirstBadToken,
"missing label '%0:' in '@%1' attribute", (StringRef, StringRef))
ERROR(attr_expected_label,none,
"expected label '%0:' in '@%1' attribute", (StringRef, StringRef))
ERROR(attr_expected_colon_after_label,none,
"expected ':' after label '%0'", (StringRef))
ERROR(alignment_must_be_positive_integer,none,
"alignment value must be a positive integer literal", ())
// Access control
ERROR(attr_access_expected_set,none,
"expected 'set' as subject of '%0' modifier", (StringRef))
ERROR(attr_access_expected_spi_name,none,
"expected an SPI identifier as subject of the '@_spi' attribute", ())
// Attributes
ERROR(attr_renamed, none,
"'@%0' has been renamed to '@%1'", (StringRef, StringRef))
WARNING(attr_renamed_warning, none,
"'@%0' has been renamed to '@%1'", (StringRef, StringRef))
WARNING(attr_renamed_to_modifier_warning, none,
"'@%0' has been renamed to '%1'", (StringRef, StringRef))
ERROR(attr_name_close_match, none,
"no attribute named '@%0'; did you mean '@%1'?", (StringRef, StringRef))
ERROR(attr_unsupported_on_target, none,
"attribute %0 is unsupported on target '%1'", (DeclAttribute, StringRef))
ERROR(attr_name_unsupported_on_target, none,
"attribute '%0' is unsupported on target '%1'", (StringRef, StringRef))
// availability
ERROR(attr_availability_platform,none,
"expected platform name or '*' for '%0' attribute", (StringRef))
ERROR(attr_availability_multiple_kinds ,none,
"'%0' attribute cannot be both '%1' and '%2'", (StringRef, StringRef, StringRef))
WARNING(attr_availability_invalid_duplicate,none,
"'%0' argument has already been specified", (StringRef))
WARNING(attr_availability_unknown_platform,none,
"unknown platform '%0' for attribute '%1'", (StringRef, StringRef))
WARNING(attr_availability_suggest_platform,none,
"unknown platform '%0' for attribute '%1'; did you mean '%2'?",
(StringRef, StringRef, StringRef))
ERROR(attr_availability_expected_platform,none,
"expected platform in '%0' attribute", (StringRef))
ERROR(attr_availability_invalid_renamed,none,
"'renamed' argument of '%0' attribute must be an operator, identifier, "
"or full function name, optionally prefixed by a type name", (StringRef))
ERROR(attr_availability_expected_option,none,
"expected '%0' option such as 'unavailable', 'introduced', 'deprecated', "
"'obsoleted', 'message', or 'renamed'", (StringRef))
ERROR(attr_availability_expected_equal,none,
"expected ':' after '%1' in '%0' attribute", (StringRef, StringRef))
ERROR(attr_availability_expected_version,none,
"expected version number in '%0' attribute", (StringRef))
WARNING(attr_availability_wildcard_ignored,none,
"* as platform name has no effect in '%0' attribute", (StringRef))
ERROR(attr_availability_need_platform_version,none,
"expected at least one platform version in '%0' attribute", (StringRef))
WARNING(attr_availability_platform_version_major_minor_only,none,
"'%0' only uses major and minor version number", (StringRef))
// availability macro
ERROR(attr_availability_wildcard_in_macro, none,
"future platforms identified by '*' cannot be used in "
"an availability macro definition", ())
ERROR(attr_availability_missing_macro_name,none,
"expected an identifier to begin an availability macro definition", ())
ERROR(attr_availability_expected_colon_macro,none,
"expected ':' after '%0' in availability macro definition",
(StringRef))
ERROR(attr_availability_unknown_version,none,
"reference to undefined version '%0' for availability macro '%1'",
(StringRef, StringRef))
ERROR(attr_availability_duplicate,none,
"duplicate definition of availability macro '%0' for version '%1'",
(StringRef, StringRef))
// originallyDefinedIn
ERROR(originally_defined_in_missing_rparen,none,
"expected ')' in '@_originallyDefinedIn' argument list", ())
ERROR(originally_defined_in_need_original_module_name,none,
"expected 'module: \"original\"' in the first argument to "
"'@_originallyDefinedIn'", ())
ERROR(originally_defined_in_need_nonempty_module_name,none,
"original module name cannot be empty in '@_originallyDefinedIn'", ())
// backDeploy
ERROR(attr_back_deploy_expected_before_label,none,
"expected 'before:' in '@backDeployed' attribute", ())
ERROR(attr_back_deploy_expected_colon_after_before,none,
"expected ':' after 'before' in '@backDeployed' attribute", ())
ERROR(attr_back_deploy_missing_rparen,none,
"expected ')' in '@backDeployed' argument list", ())
// convention
ERROR(convention_attribute_expected_lparen,none,
"expected '(' after 'convention' attribute", ())
ERROR(convention_attribute_expected_name,none,
"expected convention name identifier in 'convention' attribute", ())
ERROR(convention_attribute_expected_rparen,none,
"expected ')' after convention name for 'convention' attribute", ())
ERROR(convention_attribute_ctype_expected_label,none,
"expected 'cType' label in 'convention' attribute", ())
ERROR(convention_attribute_ctype_expected_colon,none,
"expected ':' after 'cType' for 'convention' attribute", ())
ERROR(convention_attribute_ctype_expected_string,none,
"expected string literal containing clang type for 'cType' in "
"'convention' attribute", ())
ERROR(convention_attribute_witness_method_expected_colon,none,
"expected ':' after 'witness_method' for 'convention' attribute", ())
ERROR(convention_attribute_witness_method_expected_protocol,none,
"expected protocol name in 'witness_method' 'convention' attribute", ())
// objc
ERROR(attr_objc_missing_colon,none,
"missing ':' after selector piece in '@objc'", ())
ERROR(attr_objc_expected_rparen,none,
"expected ')' after name for '@objc'", ())
ERROR(attr_objc_empty_name,none,
"expected name within parentheses of '@objc'", ())
ERROR(attr_dynamic_replacement_expected_rparen,none,
"expected ')' after function name for '@_dynamicReplacement'", ())
ERROR(attr_dynamic_replacement_expected_function,none,
"expected a function name in '@_dynamicReplacement(for:)'", ())
ERROR(attr_dynamic_replacement_expected_for,none,
"expected 'for' in '_dynamicReplacement' attribute", ())
ERROR(attr_dynamic_replacement_expected_colon,none,
"expected ':' after '@_dynamicReplacement(for'", ())
ERROR(attr_type_eraser_expected_type_name,none,
"expected a type name in '@_typeEraser()'", ())
ERROR(attr_type_eraser_expected_rparen,none,
"expected ')' after type name for '@_typeEraser'", ())
ERROR(expected_thrown_error_type,none,
"expected thrown error type after 'throws('", ())
ERROR(expected_rparen_after_thrown_error_type,none,
"expected ')' after thrown error type", ())
ERROR(rethrows_with_thrown_error,none,
"'rethrows' cannot be combined with a specific thrown error type", ())
ERROR(attr_isolated_expected_lparen,none,
"expected '(' after '@isolated'; did you mean the 'isolated' modifier?",
())
ERROR(attr_isolated_expected_rparen,none,
"expected ')' after isolation kind", ())
ERROR(attr_isolated_expected_kind,none,
"expected 'any' as the isolation kind", ())
ERROR(attr_private_import_expected_rparen,none,
"expected ')' after function name for '@_private'", ())
ERROR(attr_private_import_expected_sourcefile, none,
"expected 'sourceFile' in '_private' attribute", ())
ERROR(attr_private_import_expected_sourcefile_name,none,
"expected a source file name in '@_private(sourceFile:)'", ())
ERROR(attr_private_import_expected_colon,none,
"expected ':' after '@_private(sourceFile'", ())
// opened
ERROR(opened_attribute_expected_lparen,none,
"expected '(' after 'opened' attribute", ())
ERROR(opened_attribute_id_value,none,
"known id for 'opened' attribute must be a UUID string", ())
ERROR(opened_attribute_expected_rparen,none,
"expected ')' after id value for 'opened' attribute", ())
// pack_element
ERROR(pack_element_attribute_expected_lparen,none,
"expected '(' after 'pack_element' attribute", ())
ERROR(pack_element_attribute_expected_rparen,none,
"expected ')' after id value for 'pack_element' attribute", ())
ERROR(multiple_open_pack_element,none,
"multiple 'open_pack_element' instructions with same UUID", ())
ERROR(opened_shape_class_not_pack_param,none,
"shape class type must be a pack type parameter", ())
// unowned
ERROR(attr_unowned_invalid_specifier,none,
"expected 'safe' or 'unsafe'", ())
ERROR(attr_unowned_expected_rparen,none,
"expected ')' after specifier for 'unowned'", ())
// warn_unused_result
WARNING(attr_warn_unused_result_removed,none,
"'warn_unused_result' attribute behavior is now the default", ())
ERROR(attr_warn_unused_result_expected_rparen,none,
"expected ')' after 'warn_unused_result' attribute", ())
// _specialize
ERROR(attr_specialize_missing_colon,none,
"missing ':' after %0 in '_specialize' attribute", (StringRef))
ERROR(attr_specialize_missing_comma,none,
"missing ',' in '_specialize' attribute", ())
ERROR(attr_specialize_unknown_parameter_name,none,
"unknown parameter %0 in '_specialize attribute'", (StringRef))
ERROR(attr_specialize_expected_bool_value,none,
"expected a boolean true or false value in '_specialize' attribute", ())
ERROR(attr_specialize_missing_parameter_label_or_where_clause,none,
"expected a parameter label or a where clause in '_specialize' attribute", ())
ERROR(attr_specialize_parameter_already_defined,none,
"parameter '%0' was already defined in '_specialize' attribute", (StringRef))
ERROR(attr_specialize_expected_partial_or_full,none,
"expected 'partial' or 'full' as values of the 'kind' parameter in '_specialize' attribute", ())
ERROR(attr_specialize_expected_function,none,
"expected a function name as the value of the 'target' parameter in '_specialize' attribute", ())
ERROR(attr_specialize_expected_spi_name,none,
"expected an SPI identifier as the value of the 'spi' parameter in '_specialize' attribute", ())
// _implements
ERROR(attr_implements_expected_member_name,PointsToFirstBadToken,
"expected a member name as second parameter in '_implements' attribute", ())
// differentiable
WARNING(attr_differentiable_expected_reverse,PointsToFirstBadToken,
"'@differentiable' has been renamed to '@differentiable(reverse)' and "
"will be removed in the next release", ())
ERROR(attr_differentiable_kind_not_supported,PointsToFirstBadToken,
"unsupported differentiability kind '%0'; only 'reverse' is supported", (StringRef))
ERROR(attr_differentiable_unknown_kind,PointsToFirstBadToken,
"unknown differentiability kind '%0'; only 'reverse' is supported", (StringRef))
ERROR(attr_differentiable_use_wrt_not_withrespectto,none,
"use 'wrt:' to specify parameters to differentiate with respect to", ())
ERROR(attr_differentiable_expected_label,none,
"expected 'wrt:' or 'where' in '@differentiable' attribute", ())
// differentiation `wrt` parameters clause
ERROR(expected_colon_after_label,PointsToFirstBadToken,
"expected a colon ':' after '%0'", (StringRef))
ERROR(diff_params_clause_expected_parameter,PointsToFirstBadToken,
"expected a parameter, which can be a function parameter name, "
"parameter index, or 'self'", ())
ERROR(diff_params_clause_expected_parameter_unnamed,PointsToFirstBadToken,
"expected a parameter, which can be a function parameter index or 'self'",
())
// Automatic differentiation attributes
ERROR(autodiff_attr_expected_original_decl_name,PointsToFirstBadToken,
"expected an original function name", ())
// SIL autodiff
ERROR(sil_autodiff_expected_lsquare,PointsToFirstBadToken,
"expected '[' to start the %0", (StringRef))
ERROR(sil_autodiff_expected_rsquare,PointsToFirstBadToken,
"expected ']' to complete the %0", (StringRef))
ERROR(sil_autodiff_expected_index_list,PointsToFirstBadToken,
"expected a space-separated list of indices, e.g. '0 1'", ())
ERROR(sil_autodiff_expected_index_list_label,PointsToFirstBadToken,
"expected label '%0' in index list", (StringRef))
ERROR(sil_autodiff_expected_parameter_index,PointsToFirstBadToken,
"expected the index of a parameter to differentiate with respect to", ())
ERROR(sil_autodiff_expected_result_index,PointsToFirstBadToken,
"expected the index of a result to differentiate from", ())
ERROR(sil_inst_autodiff_operand_list_expected_lbrace,PointsToFirstBadToken,
"expected '{' to start a derivative function list", ())
ERROR(sil_inst_autodiff_operand_list_expected_comma,PointsToFirstBadToken,
"expected ',' between operands in a derivative function list", ())
ERROR(sil_inst_autodiff_operand_list_expected_rbrace,PointsToFirstBadToken,
"expected '}' to start a derivative function list", ())
ERROR(sil_inst_autodiff_expected_differentiable_extractee_kind,PointsToFirstBadToken,
"expected an extractee kind attribute, which can be one of '[original]', "
"'[jvp]', and '[vjp]'", ())
ERROR(sil_inst_autodiff_expected_linear_extractee_kind,PointsToFirstBadToken,
"expected an extractee kind attribute, which can be one of '[original]' "
"and '[transpose]'", ())
ERROR(sil_inst_autodiff_expected_function_type_operand,PointsToFirstBadToken,
"expected an operand of a function type", ())
ERROR(sil_inst_autodiff_expected_differentiability_witness_kind,PointsToFirstBadToken,
"expected a differentiability witness kind, which can be one of '[jvp]', "
"'[vjp]', or '[transpose]'", ())
WARNING(warn_attr_unsafe_removed,none,
"'%0' attribute has been removed in favor of '@preconcurrency'",
(StringRef))
// _documentation
ERROR(documentation_attr_expected_argument,none,
"'_documentation' attribute expected 'visibility' or 'metadata' argument",
())
ERROR(documentation_attr_unknown_argument,none,
"unknown argument '%0', expected 'visibility' or 'metadata'",
(StringRef))
ERROR(documentation_attr_expected_access_level,none,
"'_documentation' attribute's 'visibility' argument expected an access level",
())
ERROR(documentation_attr_unknown_access_level,none,
"unknown visibility '%0', expected an access level keyword",
(StringRef))
ERROR(documentation_attr_duplicate_visibility,none,
"cannot give more than one visibility to the same item", ())
ERROR(documentation_attr_metadata_expected_text,none,
"'_documentation' attribute's 'metadata' argument expected an identifier or "
"quoted string",
())
ERROR(documentation_attr_duplicate_metadata,none,
"cannot give more than one metadata argument to the same item", ())
ERROR(attr_rawlayout_expected_label,none,
"expected %0 argument to '@_rawLayout'", (StringRef))
ERROR(attr_rawlayout_expected_integer_size,none,
"expected integer literal size in '@_rawLayout'", ())
ERROR(attr_rawlayout_expected_integer_alignment,none,
"expected integer literal alignment in '@_rawLayout'", ())
ERROR(attr_rawlayout_expected_params,none,
"expected %1 argument after %0 argument in '@_rawLayout'", (StringRef, StringRef))
ERROR(attr_extern_expected_label,none,
"expected %0 argument to '@_extern'", (StringRef))
ERROR(attr_expected_feature_name,none,
"expected feature name in '@%0'", (StringRef))
//------------------------------------------------------------------------------
// MARK: Generics parsing diagnostics
//------------------------------------------------------------------------------
ERROR(expected_rangle_generics_param,PointsToFirstBadToken,
"expected '>' to complete generic parameter list", ())
ERROR(expected_generics_parameter_name,PointsToFirstBadToken,
"expected an identifier to name generic parameter", ())
ERROR(unexpected_class_constraint,none,
"'class' constraint can only appear on protocol declarations", ())
NOTE(suggest_anyobject,none,
"did you mean to write an 'AnyObject' constraint?", ())
ERROR(expected_generics_type_restriction,none,
"expected a class type or protocol-constrained type restricting %0",
(Identifier))
ERROR(requires_single_equal,none,
"use '==' for same-type requirements rather than '='", ())
ERROR(requires_comma,none,
"expected ',' to separate the requirements of this 'where' clause", ())
ERROR(expected_requirement_delim,none,
"expected ':' or '==' to indicate a conformance or same-type requirement",
())
ERROR(redundant_class_requirement,none,
"redundant 'class' requirement", ())
ERROR(late_class_requirement,none,
"'class' must come first in the requirement list", ())
ERROR(where_inside_brackets,none,
"'where' clause next to generic parameters is obsolete, "
"must be written following the declaration's type", ())
ERROR(expected_rangle_primary_associated_type_list,PointsToFirstBadToken,
"expected '>' to complete primary associated type list", ())
ERROR(expected_primary_associated_type_name,PointsToFirstBadToken,
"expected an identifier to name primary associated type", ())
//------------------------------------------------------------------------------
// MARK: Conditional compilation parsing diagnostics
//------------------------------------------------------------------------------
ERROR(unsupported_conditional_compilation_binary_expression,none,
"expected '&&' or '||' expression", ())
ERROR(unsupported_conditional_compilation_unary_expression,none,
"expected unary '!' expression", ())
ERROR(unsupported_platform_condition_expression,none,
"unexpected platform condition "
"(expected 'os', 'arch', or 'swift')",
())
ERROR(platform_condition_expected_argument,none,
"expected argument to platform condition",
())
ERROR(platform_condition_expected_one_argument,none,
"expected only one unlabeled argument to platform condition",
())
ERROR(unsupported_platform_runtime_condition_argument,none,
"unexpected argument for the '_runtime' condition; "
"expected '_Native' or '_ObjC'", ())
ERROR(unsupported_platform_condition_argument,none,
"unexpected platform condition argument: expected %0",
(StringRef))
ERROR(unsupported_conditional_compilation_expression_type,none,
"invalid conditional compilation expression", ())
ERROR(unsupported_conditional_compilation_integer,none,
"'%0' is not a valid conditional compilation expression, use '%1'",
(StringRef, StringRef))
ERROR(version_component_not_number,none,
"version component contains non-numeric characters", ())
ERROR(compiler_version_too_many_components,none,
"compiler version must not have more than five components", ())
WARNING(unused_compiler_version_component,NoUsage,
"the second version component is not used for comparison in legacy "
"compiler versions%select{|; are you trying to encode a new Swift "
"compiler version for compatibility with legacy compilers?}0",
(bool))
ERROR(empty_version_component,none,
"found empty version component", ())
ERROR(compiler_version_component_out_of_range,none,
"compiler version component out of range: must be in [0, %0]",
(unsigned))
ERROR(empty_version_string,none,
"version requirement is empty", ())
WARNING(unknown_platform_condition_argument,none,
"unknown %0 for build configuration '%1'",
(StringRef, StringRef))
WARNING(renamed_platform_condition_argument,none,
"'%0' has been renamed to '%1'", (StringRef, StringRef))
WARNING(likely_simulator_platform_condition,none,
"platform condition appears to be testing for simulator environment; "
"use 'targetEnvironment(simulator)' instead",
())
ERROR(canimport_two_parameters,none,
"canImport can take only two parameters", ())
ERROR(canimport_label,none,
"2nd parameter of canImport should be labeled as "
"_version or _underlyingVersion", ())
ERROR(canimport_invalid_version,none,
"cannot parse module version '%0'",
(StringRef))
ERROR(canimport_empty_version,none,
"%0 argument cannot be empty",
(StringRef))
WARNING(canimport_version_too_many_components,none,
"trailing components of version '%0' are ignored",
(StringRef))
//------------------------------------------------------------------------------
// MARK: Availability query parsing diagnostics
//------------------------------------------------------------------------------
ERROR(avail_query_expected_condition,PointsToFirstBadToken,
"expected availability condition", ())
ERROR(avail_query_expected_platform_name,PointsToFirstBadToken,
"expected platform name", ())
ERROR(avail_query_expected_version_number,PointsToFirstBadToken,
"expected version number", ())
ERROR(avail_query_expected_rparen,PointsToFirstBadToken,
"expected ')' in availability query", ())
ERROR(avail_query_disallowed_operator, PointsToFirstBadToken,
"'%0' cannot be used in an availability condition", (StringRef))
ERROR(avail_query_argument_and_shorthand_mix_not_allowed, PointsToFirstBadToken,
"'%0' can't be combined with shorthand specification '%1'",
(StringRef, StringRef))
NOTE(avail_query_meant_introduced,PointsToFirstBadToken,
"did you mean to specify an introduction version?", ())
ERROR(avail_query_version_comparison_not_needed,
none,"version comparison not needed", ())
ERROR(availability_cannot_be_mixed,none,
"#available and #unavailable cannot be in the same statement", ())
ERROR(false_available_is_called_unavailable,none,
"#available cannot be used as an expression, did you mean to use '#unavailable'?", ())
//------------------------------------------------------------------------------
// MARK: #_hasSymbol query parsing diagnostics
//------------------------------------------------------------------------------
ERROR(has_symbol_expected_lparen,PointsToFirstBadToken,
"expected '(' in #_hasSymbol directive", ())
ERROR(has_symbol_expected_expr,PointsToFirstBadToken,
"expected expression in #_hasSymbol", ())
ERROR(has_symbol_expected_rparen,PointsToFirstBadToken,
"expected ')' in #_hasSymbol condition", ())
ERROR(attr_requires_concurrency, none,
"'%0' %select{attribute|modifier}1 is only valid when experimental "
"concurrency is enabled",
(StringRef, bool))
//------------------------------------------------------------------------------
// MARK: Variadics
//------------------------------------------------------------------------------
ERROR(associatedtype_cannot_be_variadic,none,
"associated types cannot be variadic", ())
ERROR(type_parameter_pack_ellipsis,none,
"ellipsis operator cannot be used with a type parameter pack", ())
//------------------------------------------------------------------------------
// MARK: macros
//------------------------------------------------------------------------------
ERROR(expected_lparen_macro,PointsToFirstBadToken,
"expected '(' for macro parameters or ':' for a value-like macro", ())
ERROR(expected_type_macro_result,PointsToFirstBadToken,
"expected macro result type", ())
ERROR(macro_decl_expected_macro_definition,PointsToFirstBadToken,
"expected macro definition following '=''", ())
ERROR(macro_expansion_expr_expected_macro_identifier,PointsToFirstBadToken,
"expected a macro identifier for a pound literal expression", ())
ERROR(macro_expansion_decl_expected_macro_identifier,PointsToFirstBadToken,
"expected a macro identifier for a pound literal declaration", ())
ERROR(extra_whitespace_macro_expansion_identifier,PointsToFirstBadToken,
"extraneous whitespace between '#' and macro name is not permitted", ())
ERROR(macro_role_attr_expected_kind,PointsToFirstBadToken,
"expected %select{a freestanding|an attached}0 macro role such as "
"%select{'expression'|'accessor'}0", (bool))
ERROR(macro_role_attr_expected_attached_kind,PointsToFirstBadToken,
"expected an attached macro role such as 'peer'", ())
ERROR(macro_role_attr_expected_freestanding_kind,PointsToFirstBadToken,
"expected a freestanding macro role such as 'expression'", ())
ERROR(macro_role_syntax_mismatch,PointsToFirstBadToken,
"%select{a freestanding|an attached}0 macro cannot have the %1 role",
(bool, Identifier))
ERROR(macro_attribute_unknown_label,PointsToFirstBadToken,
"'@%select{freestanding|attached}0' has no argument with label %1",
(bool, Identifier))
ERROR(macro_attribute_duplicate_label,PointsToFirstBadToken,
"'@%select{freestanding|attached}0' already has an argument with "
"label %1", (bool, StringRef))
ERROR(macro_attribute_missing_label,none,
"'@%select{freestanding|attached}0' argument is missing label '%1'",
(bool, StringRef))
ERROR(macro_attribute_unknown_name_kind,PointsToFirstBadToken,
"unknown introduced name kind %0", (Identifier))
ERROR(macro_attribute_unknown_argument_form,PointsToFirstBadToken,
"introduced name argument should be a name", ())
ERROR(macro_attribute_introduced_name_requires_argument,PointsToFirstBadToken,
"introduced name kind %0 requires a single argument '(name)'", (Identifier))
ERROR(macro_attribute_introduced_name_requires_no_argument,PointsToFirstBadToken,
"introduced name kind %0 must not have an argument", (Identifier))
WARNING(macro_expression_attribute_removed,PointsToFirstBadToken,
"'@expression' has been removed in favor of '@freestanding(expression)'",
())
ERROR(unexpected_attribute_expansion,PointsToFirstBadToken,
"unexpected token '%0' in expanded attribute list",
(StringRef))
ERROR(unexpected_member_expansion,PointsToFirstBadToken,
"unexpected token '%0' in expanded member list",
(StringRef))
ERROR(extra_tokens_after_expression,PointsToFirstBadToken,
"extra tokens after expression in macro expansion", ())
ERROR(parser_round_trip_error,none,
"source file did not round-trip through the new Swift parser", ())
ERROR(parser_new_parser_errors,none,
"new Swift parser generated errors for code that C++ parser accepted",
())
// MARK: Reference Binding Diagnostics
ERROR(sil_markuncheckedreferencebinding_requires_attribute,none,
"mark_unchecked_reference_binding requires an attribute like [inout]", ())
ERROR(sil_markuncheckedreferencebinding_invalid_attribute,none,
"Attribute '[%0]' can not be applied to mark_unchecked_reference_binding", (StringRef))
//------------------------------------------------------------------------------
// MARK: Init accessors
//------------------------------------------------------------------------------
ERROR(init_accessor_is_not_on_property,none,
"init accessors could only be associated with properties",
())
ERROR(init_accessor_is_not_in_the_primary_declaration,none,
"init accessors cannot be declared in an extension",
())
ERROR(missing_storage_restrictions_attr_label,none,
"missing label in '@storageRestrictions'", ())
ERROR(invalid_storage_restrictions_attr_label,none,
"unexpected label %0 in '@storageRestrictions'", (Identifier))
ERROR(duplicate_storage_restrictions_attr_label,none,
"duplicate label %0 in '@storageRestrictions'", (Identifier))
ERROR(storage_restrictions_attr_expected_name,none,
"expected property name in '@storageRestrictions' list", ())
ERROR(requires_experimental_feature, none,
"'%0' %select{attribute|parameter specifier}1 is only valid when experimental feature "
"%2 is enabled",
(StringRef, bool, StringRef))
//------------------------------------------------------------------------------
// MARK: Lifetime dependence
//------------------------------------------------------------------------------
ERROR(expected_lparen_after_lifetime_dependence, PointsToFirstBadToken,
"expected '(' after lifetime dependence specifier", ())
ERROR(expected_identifier_or_index_or_self_after_lifetime_dependence,
PointsToFirstBadToken,
"expected identifier, index or self in lifetime dependence specifier",
())
ERROR(expected_rparen_after_lifetime_dependence, PointsToFirstBadToken,
"expected ')' after parameter list in lifetime dependence specifier", ())
ERROR(expected_param_index_lifetime_dependence, PointsToFirstBadToken,
"expected unsigned parameter index in lifetime dependence specifier", ())
ERROR(lifetime_dependence_invalid_init_return, PointsToFirstBadToken,
"expected Self return type for initializers with lifetime dependence "
"specifiers",
())
ERROR(sending_before_parameter_specifier,none,
"'sending' must be placed after specifier '%0'", (StringRef))
ERROR(sending_repeated,none,
"parameter may have at most one 'sending' specifier", ())
ERROR(sending_cannot_be_used_with_borrowing,none,
"'%0' cannot be used together with 'borrowing'", (StringRef))
ERROR(sil_thunkinst_failed_to_parse_kind,none,
"'%0' is not a valid thunk kind supported by ThunkInst", (StringRef))
ERROR(sil_failed_to_parse_sil_optional,none,
"Expected SIL optional value of the form '[' NAME ']'", ())
//------------------------------------------------------------------------------
// MARK: nonisolated(nonsending)
//------------------------------------------------------------------------------
ERROR(nonisolated_nonsending_expected_lparen,PointsToFirstBadToken,
"expected '(' following 'nonisolated'", ())
ERROR(nonisolated_nonsending_incorrect_modifier,PointsToFirstBadToken,
"expected 'nonsending' in modifier", ())
ERROR(nonisolated_nonsending_expected_rparen,PointsToFirstBadToken,
"expected ')' after 'nonisolated' modifier", ())
ERROR(nonisolated_nonsending_repeated,none,
"parameter may have at most one 'nonisolated(nonsending)' specifier", ())
#define UNDEFINE_DIAGNOSTIC_MACROS
#include "DefineDiagnosticMacros.h"