use std::borrow::Cow;
use std::rc::Rc;
#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct DiagnosticCode(Cow<'static, str>);
macro_rules! diagnostic_codes {
($($constant:ident = $code:literal,)*) => {
impl DiagnosticCode {
$(pub const $constant: Self = Self(Cow::Borrowed($code));)*
const NAMED: &[(&str, &str)] = &[$((stringify!($constant), $code)),*];
}
};
}
diagnostic_codes! {
UNCLOSED_LIST = "L0101",
UNMATCHED_CLOSE = "L0102",
UNTERMINATED_STRING = "L0103",
UNKNOWN_ESCAPE = "L0104",
MALFORMED_NUMBER = "L0105",
RESERVED_CHARACTER = "L0106",
NUMBER_TOO_LARGE = "L0107",
LIST_TOO_DEEP = "L0108",
UNBOUND_NAME = "L0201",
AMBIGUOUS_NAME = "L0202",
DUPLICATE_DEFINITION = "L0203",
UNKNOWN_MODULE = "L0204",
MISSING_EXPORT = "L0205",
IMPORT_CYCLE = "L0206",
NOT_A_DEFINITION = "L0207",
MODULE_LEVEL_ONLY = "L0208",
EMPTY_CALL = "L0209",
MALFORMED_FORM = "L0210",
FORM_AS_VALUE = "L0211",
WRONG_NAMESPACE = "L0212",
BAD_TYPE_TEMPLATE = "L0213",
RECUR_OUTSIDE_TAIL = "L0214",
RECUR_ARGUMENT_COUNT = "L0215",
RECUR_OUTSIDE_FN = "L0216",
SECOND_TRAIT_PATH = "L0217",
MALFORMED_TEMPLATE = "L0218",
TYPE_PARAMETERS_ON_NAME = "L0219",
TRY_OUTSIDE_FN = "L0220",
TYPE_PARAMETER_PLACEHOLDER = "L0221",
TYPE_PLACEHOLDER_IN_RUST_TYPE = "L0222",
RUST_TYPE_CLAUSES_NEED_ONE_PARAMETER = "L0223",
BORROWED_TYPE_PLACEHOLDER = "L0224",
PLACEHOLDER_WITHOUT_PARAMETER = "L0225",
UNUSED_TYPE_PLACEHOLDER = "L0226",
LET_OUTSIDE_BODY = "L0227",
MALFORMED_TYPE = "L0228",
MACRO_OUTSIDE_DEF = "L0229",
MIXED_VARIANT_PAYLOAD = "L0230",
NOT_A_PATTERN = "L0231",
VARIANT_AS_VALUE = "L0233",
NOT_A_TYPE = "L0234",
NOT_A_NAME = "L0235",
SIGNATURE_TARGET = "L0236",
DERIVE_TARGET = "L0237",
DERIVE_TRAIT = "L0238",
MISSING_METHOD = "L0239",
EXTRA_METHOD = "L0240",
UNDECLARED_METHOD = "L0241",
GENERIC_IMPLEMENTOR = "L0242",
FIELD_KEYWORD_ARITY = "L0243",
KEYWORD_BINDER = "L0244",
IGNORED_BINDING_READ = "L0245",
RUST_CLAUSES_NEED_ONE_PARAMETER = "L0246",
CLAUSE_PASSES_ARGUMENTS_UNLIKE_TEMPLATE = "L0247",
MALFORMED_STRUCTURAL_CLAUSE = "L0248",
INPUT_SET_ASIDE = "L0249",
RESERVED_MODULE_NAME = "L0250",
LIBRARY_HIDES_LOCAL_MODULE = "L0251",
UNLISTED_LIBRARY = "L0252",
LOCAL_MODULE_BESIDE_LIBRARY = "L0253",
MODULE_OUTSIDE_CHECKOUT = "L0254",
INTERNAL_MODULE = "L0255",
TEST_MODULE_HIDES_SOURCE_MODULE = "L0256",
FILE_TAKES_COMPILER_MODULE = "L0257",
MACRO_FAILED = "L0301",
MACRO_RESULT_NOT_FORM = "L0302",
COMPILE_TIME_ERROR = "L0303",
MACRO_AS_VALUE = "L0304",
EXPANSION_TOO_DEEP = "L0305",
PROGRAM_ONLY = "L0306",
COMPILE_TIME_CYCLE = "L0307",
BROKEN_DEFINITION = "L0308",
BROKEN_MACRO = "L0309",
NOT_AT_COMPILE_TIME = "L0310",
COMPILE_TIME_ARGUMENT_COUNT = "L0311",
NOT_CALLABLE = "L0312",
NOT_A_BOOLEAN = "L0313",
INDEX_OUT_OF_RANGE = "L0314",
ARITHMETIC_OVERFLOW = "L0315",
RUNTIME_ONLY = "L0316",
MATCH_AT_RUNTIME = "L0317",
COMPILE_TIME_RECURSION = "L0318",
RUST_CODE_PROGRAM_ONLY = "L0319",
REPEATED_PARAMETER = "L0320",
FAILURE_PART = "L0321",
UNKNOWN_FAILURE_CODE = "L0322",
UNKNOWN_PARAMETER = "L0323",
UNKNOWN_FIELD_DEFAULT = "L0324",
EXPANSION_NESTS_TOO_DEEP = "L0325",
EXPANSION_TOO_LARGE = "L0326",
UNDOCUMENTED_TERM = "L0327",
DOCSTRING_BEFORE_PARAMETERS = "L0328",
MALFORMED_HEADER_SHAPE = "L0329",
UNEQUAL_REPETITIONS = "L0330",
UNEXPECTED_HEADER_SHAPE_MARKER = "L0331",
TRAILING_COLON = "L0332",
DUPLICATE_TEST = "L0333",
BINDING_WITHOUT_VALUE = "L0334",
BINDINGS_WITHOUT_BODY = "L0335",
MALFORMED_BINDING_LIST = "L0336",
PARTLY_LABELED_CALL = "L0338",
MALFORMED_DEFINER_HEAD = "L0339",
MISPLACED_RUST_CLAUSE = "L0340",
MALFORMED_RUST_CLAUSE = "L0341",
MALFORMED_TRAIT_METHOD = "L0342",
METHOD_IN_RUST_TRAIT = "L0343",
RUST_TRAIT_SUPERTRAITS = "L0344",
DEFTYPE_WITHOUT_RUST = "L0345",
MALFORMED_VARIANT = "L0346",
VARIANT_STRUCT_PAYLOAD = "L0347",
MIXED_VARIANT_ITEMS = "L0348",
VARIANT_FIELD_WITHOUT_TYPE = "L0349",
PROJECT_FORM_IN_PROGRAM = "L0350",
UNDEFINED_DOCUMENTED_TERM = "L0351",
PRN_WITHOUT_VALUE = "L0352",
UPDATE_ARGUMENTS = "L0353",
UNREADABLE_DOC_EXAMPLE = "L0354",
DUPLICATE_TASK = "L0356",
MISNAMED_TASK = "L0357",
POSITIONAL_AFTER_FLAG = "L0358",
TASK_OUTSIDE_TASKS = "L0359",
TASK_HELP_FLAG = "L0360",
TASK_WITHOUT_BODY = "L0361",
OPEN_TASK_RESULT = "L0362",
MACRO_STEP_LIMIT = "L0363",
MISMATCHED_TYPES = "L0401",
WRONG_ARGUMENT_COUNT = "L0402",
NOT_A_FUNCTION = "L0403",
MISSING_TRAIT = "L0404",
LITERAL_OUT_OF_RANGE = "L0406",
CANNOT_INFER = "L0407",
UNKNOWN_FIELD = "L0408",
MISSING_FIELDS = "L0409",
NO_FIELDS = "L0410",
INFINITE_TYPE = "L0411",
COMPILE_TIME_ONLY = "L0412",
MISPLACED_WHERE = "L0413",
LITERAL_TYPE_PARAMETER = "L0414",
WRONG_TYPE_ARGUMENT_COUNT = "L0415",
UNUSED_TYPE_PARAMETER = "L0416",
BOUNDED_TYPE_PARAMETER = "L0417",
BARE_IMPLEMENTOR = "L0418",
MUT_BORROW_OF_COPY = "L0419",
TRAIT_CLAIM_ON_STRUCT = "L0421",
NOT_DERIVABLE = "L0422",
BLOCKED_DERIVE = "L0423",
DUPLICATE_DERIVE = "L0424",
TRAIT_NO_SECOND_TYPE = "L0425",
MISPLACED_WITH = "L0426",
TRY_TARGET = "L0428",
TRY_NOT_RESULT_OR_OPTION = "L0429",
TRY_NO_CONVERSION = "L0437",
AMBIGUOUS_VARIANT = "L0430",
UNKNOWN_VARIANT = "L0431",
WRONG_PATTERN_COUNT = "L0432",
NON_EXHAUSTIVE_MATCH = "L0433",
UNREACHABLE_ARM = "L0434",
DERIVE_ON_RUST_TYPE = "L0435",
VARIANT_ARM_VALUE = "L0436",
ENUM_RUST_TEMPLATE = "L0438",
RECURSIVELY_USED_TYPE_PARAMETER = "L0439",
MISSING_BOUND = "L0440",
LITERAL_MISFIT = "L0441",
QUOTE_AT_RUNTIME = "L0442",
UNUSED_ENUM_PARAMETER = "L0443",
UNSIZABLE_IMPLEMENTOR = "L0444",
FOREIGN_IMPLEMENTOR = "L0445",
SUPERTRAIT = "L0446",
ASSOCIATED_TYPE = "L0447",
OBJECT_SAFETY = "L0448",
TRAIT_OUTSIDE_BOX = "L0449",
MISSING_ASSOCIATED_VALUE = "L0450",
PROJECTION_WITHOUT_IMPLEMENTOR = "L0451",
UNDECLARED_ASSOCIATED_VALUE = "L0452",
PROJECTION_WITHOUT_BOUND = "L0453",
REPEATED_FIELD = "L0454",
MAIN_RETURNS_VALUE = "L0455",
SELFLESS_METHOD_CALL = "L0456",
UNKNOWN_COLLECTION = "L0457",
UNNAMEABLE_TYPE = "L0458",
SECOND_IMPL = "L0459",
UNKNOWN_PATTERN_FIELD = "L0460",
REPEATED_PATTERN_FIELD = "L0461",
MIXED_PATTERN_FORMS = "L0462",
KEYWORD_WITHOUT_PATTERN = "L0463",
COVERED_CLAUSE = "L0464",
REQUIREMENT_CYCLE = "L0465",
USE_AFTER_MOVE = "L0501",
NEEDS_OWNERSHIP = "L0503",
MISSING_BANG = "L0504",
MISSING_COPY_BOUND = "L0505",
WRITTEN_MODE_MISMATCH = "L0506",
FUNCTION_VALUE_MISMATCH = "L0507",
CLOSURE_KIND_MISMATCH = "L0509",
LOCAL_BORROW = "L0510",
CAPTURING_FUNCTION_FIELD = "L0511",
LENT_LOCAL_BORROW = "L0512",
INFERRED_MUT_OF_COPY = "L0514",
CHANGING_FUNCTION_VALUE = "L0515",
ALIASED_CHANGE = "L0516",
RETURNED_CLOSURE_USES_CHANGED_PARAMETER = "L0517",
MISSING_MAIN = "L0601",
NAME_COLLISION = "L0602",
BAD_TEMPLATE = "L0603",
RUST_ERROR = "L0604",
UNTIED_IMPLEMENTOR_BORROW = "L0605",
UNCAPTURABLE_CHANGED_COPY = "L0606",
MISSING_PROJECT_FORM = "L0701",
EXTRA_PROJECT_FORM = "L0702",
MISSING_PROJECT_NAME = "L0703",
UNKNOWN_PROJECT_KEY = "L0704",
MISSING_PROJECT_VALUE = "L0705",
MISMATCHED_PROJECT_VALUE = "L0706",
UNKNOWN_PROJECT_SECTION = "L0707",
UNEXPECTED_PROJECT_FORM = "L0708",
DUPLICATE_PROJECT_ENTRY = "L0709",
MALFORMED_DEPENDENCY = "L0710",
VERSIONED_LIBRARY = "L0711",
LIBRARY_WITHOUT_SOURCE = "L0712",
CONFLICTING_LIBRARY_SOURCES = "L0713",
GIT_LIBRARY_WITHOUT_REVISION = "L0714",
SHORT_REVISION = "L0715",
UNVERSIONED_CRATE = "L0716",
UNKNOWN_EDITION = "L0717",
INVALID_PROJECT_NAME = "L0718",
CRATES_UNAVAILABLE_TO_COMMAND = "L0719",
RESERVED_LIBRARY_NAME = "L0720",
INVALID_LIBRARY_NAME = "L0721",
LIBRARY_AT_TWO_SOURCES = "L0722",
LIBRARY_WITHOUT_PROJECT_FILE = "L0723",
LIBRARY_WITHOUT_ROOT_MODULE = "L0724",
GIT_LIBRARY_UNAVAILABLE = "L0725",
CRATE_REQUESTS_CONFLICT = "L0726",
INVALID_GIT_REPOSITORY = "L0727",
PATH_OUTSIDE_CHECKOUT = "L0728",
}
impl DiagnosticCode {
const STAGE_PREFIX_LENGTH: usize = 3;
pub fn from_rustc(code: String) -> Self {
Self(Cow::Owned(code))
}
pub fn as_str(&self) -> &str {
&self.0
}
pub fn macro_stage_named(name: &str) -> Option<Self> {
Self::macro_stage_codes()
.find(|(source_name, _)| source_name == name)
.map(|(_, code)| code)
}
pub fn macro_stage_names() -> Vec<Rc<str>> {
Self::macro_stage_codes()
.map(|(source_name, _)| Rc::from(source_name))
.collect()
}
fn macro_stage_codes() -> impl Iterator<Item = (String, Self)> {
Self::NAMED
.iter()
.map(|(constant, code)| (Self::source_name(constant), Self(Cow::Borrowed(code))))
.filter(|(_, code)| code.stage() == Self::MACRO_FAILED.stage())
}
fn source_name(constant: &str) -> String {
constant.replace('_', "-").to_lowercase()
}
fn stage(&self) -> &str {
&self.0[..Self::STAGE_PREFIX_LENGTH]
}
}