//===--- DiagnosticsCommon.def - Diagnostics Text ---------------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 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 that can be emitted across the whole compiler.
//  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"

ERROR(invalid_diagnostic,none,
      "INTERNAL ERROR: this diagnostic should not be produced", ())

ERROR(not_implemented,none,
      "INTERNAL ERROR: feature not implemented: %0", (StringRef))

ERROR(error_opening_output,none,
      "error opening '%0' for output: %1", (StringRef, StringRef))

ERROR(error_closing_output,none,
      "error closing '%0' for output: %1", (StringRef, StringRef))

ERROR(error_mccas,none,
      "error trying to materialize MCCAS object file: %0", (StringRef))

ERROR(cannot_find_group_info_file,none,
      "cannot find group info file at path: '%0'", (StringRef))

ERROR(cannot_parse_group_info_file,none,
      "cannot parse group info file at path: '%0'", (StringRef))

ERROR(error_no_group_info,none,
      "no group info found for file: '%0'", (StringRef))

NOTE(brace_stmt_suggest_do,none,
     "did you mean to use a 'do' statement?", ())

WARNING(error_in_future_swift_version,none,
        "%0; this is an error in the Swift %1 language mode",
        (DiagnosticInfo *, unsigned))

WARNING(error_in_a_future_swift_version,none,
        "%0; this will be an error in a future Swift language mode",
        (DiagnosticInfo *))

// Generic disambiguation
NOTE(while_parsing_as_left_angle_bracket,none,
     "while parsing this '<' as a type parameter bracket", ())

// Generic determinism-forcing override.
REMARK(remark_max_determinism_overriding,none,
         "SWIFTC_MAXIMUM_DETERMINISM overriding %0", (StringRef))

ERROR(class_func_not_in_class,none,
      "class methods are only allowed within classes; "
      "use 'static' to declare a %select{static|requirement fulfilled by either a static or class}0 method", (bool))
ERROR(class_var_not_in_class,none,
      "class properties are only allowed within classes; "
      "use 'static' to declare a %select{static|requirement fulfilled by either a static or class}0 property", (bool))
ERROR(class_subscript_not_in_class,none,
      "class subscripts are only allowed within classes; "
      "use 'static' to declare a %select{static|requirement fulfilled by either a static or class}0 subscript", (bool))

ERROR(require_static_for_const,none,
      "'static' is required for _const variable declaration", ())

ERROR(require_let_for_const,none,
      "let is required for a _const variable declaration", ())

ERROR(require_const_initializer_for_const,none,
      "_const let should be initialized with a compile-time literal", ())

// FIXME: Used by both the parser and the type-checker.
ERROR(func_decl_without_brace,PointsToFirstBadToken,
      "expected '{' in body of function declaration", ())

ERROR(func_decl_no_body_expected,PointsToFirstBadToken,
      "unexpected body of function declaration", ())

NOTE(convert_let_to_var,none,
     "change 'let' to 'var' to make it mutable", ())

NOTE(note_typo_candidate,none,
     "did you mean '%0'?", (StringRef))

NOTE(profile_read_error,none,
     "failed to load profile data '%0': '%1'", (StringRef, StringRef))

ERROR(attr_only_on_parameters, none,
      "'%0' may only be used on parameters", (StringRef))

ERROR(function_type_no_parens,none,
      "single argument function types require parentheses", ())

// Used by both the Frontend and Sema.
ERROR(error_underlying_module_not_found,none,
      "underlying Objective-C module %0 not found", (Identifier))

// Used by -verify-generic-signatures
ERROR(generic_signature_not_minimal,none,
      "generic requirement '%0' is redundant in %1", (StringRef, StringRef))
ERROR(generic_signature_not_valid,none,
      "generic signature %0 is invalid", (StringRef))
ERROR(generic_signature_not_equal,none,
      "generic signature %0 is not equal to new signature %1",
      (StringRef, StringRef))

// FIXME: Used by swift-api-digester. Don't want to set up a separate diagnostics
// file just for a few errors.
ERROR(sdk_node_unrecognized_key,none,
      "unrecognized key '%0' in SDK node", (StringRef))
ERROR(sdk_node_unrecognized_node_kind,none,
      "unrecognized SDK node kind '%0'", (StringRef))
ERROR(sdk_node_unrecognized_type_attr_kind,none,
      "unrecognized type attribute '%0' in SDK node", (StringRef))
ERROR(sdk_node_unrecognized_decl_attr_kind,none,
      "unrecognized declaration attribute '%0' in SDK node", (StringRef))
ERROR(sdk_node_unrecognized_decl_kind,none,
      "unrecognized declaration kind '%0' in SDK node", (StringRef))
ERROR(sdk_node_unrecognized_accessor_kind,none,
      "unrecognized accessor kind '%0' in SDK node", (StringRef))

// Emitted from ModuleDecl::computeFileIDMap()
WARNING(source_location_creates_file_id_conflicts,none,
        "'#sourceLocation' directive produces '#fileID' string of '%0', which "
        "conflicts with '#fileID' strings produced by other paths in the "
        "module", (StringRef))
NOTE(fixit_correct_source_location_file,none,
     "change file in '#sourceLocation' to '%0'", (StringRef))

// Usually, but not always, emitted from the driver
ERROR(error_two_files_same_name,none,
      "filename \"%0\" used twice: '%1' and '%2'",
      (StringRef, StringRef, StringRef))
NOTE(note_explain_two_files_same_name,none,
     "filenames are used to distinguish private declarations with the same "
     "name", ())

//------------------------------------------------------------------------------
// MARK: Circular reference diagnostics
//------------------------------------------------------------------------------
ERROR(circular_reference, none,
      "circular reference", ())

NOTE(circular_reference_through, none,
     "through reference here", ())

ERROR(circular_class_inheritance,none,
      "%0 inherits from itself", (Identifier))

ERROR(circular_enum_inheritance,none,
      "%0 has a raw type that depends on itself", (Identifier))

ERROR(circular_protocol_def,none,
      "protocol %0 refines itself", (Identifier))

NOTE(kind_declname_declared_here,none,
     "%0 %1 declared here", (DescriptiveDeclKind, DeclName))

WARNING(warn_property_wrapper_module_scope,none,
        "ignoring associated type %0 in favor of module-scoped property "
        "wrapper %0; please qualify the reference with %1",
        (DeclNameRef, Identifier))

NOTE(circular_type_resolution_note,none,
     "while resolving type %0", (TypeRepr *))

//------------------------------------------------------------------------------
// MARK: Cross-import overlay loading diagnostics
//------------------------------------------------------------------------------
ERROR(cannot_load_swiftoverlay_file, none,
      "cannot load cross-import overlay for '%0' and '%1': %2 (declared by '%3')",
      (StringRef, StringRef, StringRef, StringRef))
ERROR(cannot_list_swiftcrossimport_dir, none,
      "cannot list cross-import overlays for '%0': %1 (declared in '%2')",
      (StringRef, StringRef, StringRef))
WARNING(cross_imported_by_both_modules, none,
        "modules %0 and %1 both declare module %2 as a cross-import overlay, "
        "which may cause paradoxical behavior when looking up names in them; "
        "please report this bug to the maintainers of these modules",
        (Identifier, Identifier, Identifier))

//------------------------------------------------------------------------------
// MARK: dependencies scanner diagnostics
//------------------------------------------------------------------------------

ERROR(scanner_find_cycle, none,
      "module dependency cycle: '%0'", (StringRef))

NOTE(scanner_find_cycle_swift_overlay_path, none,
     "Swift Overlay dependency of '%0' on '%1' via Clang module dependency: '%2'", (StringRef, StringRef, StringRef))

ERROR(scanner_arguments_invalid, none,
      "dependencies scanner cannot be configured with arguments: '%0'", (StringRef))

ERROR(error_scanner_extra, none,
      "failed inside dependency scanner: '%0'", (StringRef))

WARNING(warn_scanner_deserialize_failed, none,
        "Failed to load module scanning dependency cache from: '%0', re-building scanner cache from scratch.", (StringRef))

REMARK(remark_reuse_cache, none,
       "Re-using serialized module scanning dependency cache from: '%0'.", (StringRef))

REMARK(remark_save_cache, none,
       "Serializing module scanning dependency cache to: '%0'.", (StringRef))

//------------------------------------------------------------------------------
// MARK: custom attribute diagnostics
//------------------------------------------------------------------------------

ERROR(unknown_attribute,none,
      "unknown attribute '%0'", (StringRef))

//------------------------------------------------------------------------------
// MARK: macro diagnostics
//------------------------------------------------------------------------------
NOTE(in_macro_expansion,none,
     "in expansion of macro %0%select{| on %kind1}1 here", (DeclName, const Decl *))
ERROR(macro_experimental,none,
      "%0 macros are an experimental feature that is not enabled %select{|(%1)}1",
      (StringRef, StringRef))

//------------------------------------------------------------------------------
// MARK: bridged diagnostics
//------------------------------------------------------------------------------

NOTE(bridged_note, none, "%0", (StringRef))
WARNING(bridged_warning, none,"%0", (StringRef))
ERROR(bridged_error, none, "%0", (StringRef))
ERROR(bridged_fatal_error, Fatal, "%0", (StringRef))
REMARK(bridged_remark, none, "%0", (StringRef))

#define UNDEFINE_DIAGNOSTIC_MACROS
#include "DefineDiagnosticMacros.h"
