builtin_attrs.rs: cleanup with (un)gated!.

This commit is contained in:
Mazdak Farrokhzad 2019-08-22 20:40:50 +02:00
parent 0d19d1d775
commit 584388c4aa

View file

@ -128,17 +128,32 @@ macro_rules! template {
} };
}
macro_rules! ungated {
($attr:ident, $typ:expr, $tpl:expr $(,)?) => {
(sym::$attr, $typ, $tpl, Ungated)
};
}
macro_rules! gated {
($attr:ident, $typ:expr, $tpl:expr, $gate:ident, $msg:expr $(,)?) => {
(sym::$attr, $typ, $tpl, Gated(Stability::Unstable, sym::$gate, $msg, cfg_fn!($gate)))
};
($attr:ident, $typ:expr, $tpl:expr, $msg:expr $(,)?) => {
(sym::$attr, $typ, $tpl, Gated(Stability::Unstable, sym::$attr, $msg, cfg_fn!($attr)))
};
}
macro_rules! rustc_attr {
(TEST, $gate:ident, $typ:expr, $tpl:expr $(,)?) => {
(TEST, $attr:ident, $typ:expr, $tpl:expr $(,)?) => {
rustc_attr!(
$gate, $typ, $tpl,
concat!("the `#[", stringify!($gate), "]` attribute is just used for rustc unit tests \
$attr, $typ, $tpl,
concat!("the `#[", stringify!($attr), "]` attribute is just used for rustc unit tests \
and will never be stable",
),
)
};
($gate:ident, $typ:expr, $tpl:expr, $msg:expr $(,)?) => {
(sym::$gate, $typ, $tpl,
($attr:ident, $typ:expr, $tpl:expr, $msg:expr $(,)?) => {
(sym::$attr, $typ, $tpl,
Gated(Stability::Unstable, sym::rustc_attrs, $msg, cfg_fn!(rustc_attrs)))
};
}
@ -149,145 +164,106 @@ pub type BuiltinAttribute = (Symbol, AttributeType, AttributeTemplate, Attribute
pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// Normal attributes
(
sym::warn,
Normal,
template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
Ungated
),
(
sym::allow,
Normal,
template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
Ungated
),
(
sym::forbid,
Normal,
template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
Ungated
),
(
sym::deny,
Normal,
template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
Ungated
),
ungated!(warn, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#)),
ungated!(allow, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#)),
ungated!(forbid, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#)),
ungated!(deny, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#)),
(sym::macro_use, Normal, template!(Word, List: "name1, name2, ..."), Ungated),
(sym::macro_export, Normal, template!(Word, List: "local_inner_macros"), Ungated),
(sym::plugin_registrar, Normal, template!(Word), Ungated),
ungated!(macro_use, Normal, template!(Word, List: "name1, name2, ...")),
ungated!(macro_export, Normal, template!(Word, List: "local_inner_macros")),
ungated!(plugin_registrar, Normal, template!(Word)),
(sym::cfg, Normal, template!(List: "predicate"), Ungated),
(sym::cfg_attr, Normal, template!(List: "predicate, attr1, attr2, ..."), Ungated),
(sym::main, Normal, template!(Word), Ungated),
(sym::start, Normal, template!(Word), Ungated),
(sym::repr, Normal, template!(List: "C, packed, ..."), Ungated),
(sym::path, Normal, template!(NameValueStr: "file"), Ungated),
(sym::automatically_derived, Normal, template!(Word), Ungated),
(sym::no_mangle, Whitelisted, template!(Word), Ungated),
(sym::no_link, Normal, template!(Word), Ungated),
(sym::derive, Normal, template!(List: "Trait1, Trait2, ..."), Ungated),
(
sym::should_panic,
Normal,
ungated!(cfg, Normal, template!(List: "predicate")),
ungated!(cfg_attr, Normal, template!(List: "predicate, attr1, attr2, ...")),
ungated!(main, Normal, template!(Word)),
ungated!(start, Normal, template!(Word)),
ungated!(repr, Normal, template!(List: "C, packed, ...")),
ungated!(path, Normal, template!(NameValueStr: "file")),
ungated!(automatically_derived, Normal, template!(Word)),
ungated!(no_mangle, Whitelisted, template!(Word)),
ungated!(no_link, Normal, template!(Word)),
ungated!(derive, Normal, template!(List: "Trait1, Trait2, ...")),
ungated!(
should_panic, Normal,
template!(Word, List: r#"expected = "reason"#, NameValueStr: "reason"),
Ungated
),
(sym::ignore, Normal, template!(Word, NameValueStr: "reason"), Ungated),
(sym::no_implicit_prelude, Normal, template!(Word), Ungated),
(sym::reexport_test_harness_main, Normal, template!(NameValueStr: "name"), Ungated),
(sym::link_args, Normal, template!(NameValueStr: "args"), Gated(Stability::Unstable,
sym::link_args,
"the `link_args` attribute is experimental and not \
portable across platforms, it is recommended to \
use `#[link(name = \"foo\")] instead",
cfg_fn!(link_args))),
(sym::macro_escape, Normal, template!(Word), Ungated),
ungated!(ignore, Normal, template!(Word, NameValueStr: "reason")),
ungated!(no_implicit_prelude, Normal, template!(Word)),
ungated!(reexport_test_harness_main, Normal, template!(NameValueStr: "name")),
gated!(
link_args, Normal, template!(NameValueStr: "args"),
"the `link_args` attribute is experimental and not portable across platforms, \
it is recommended to use `#[link(name = \"foo\")] instead",
),
ungated!(macro_escape, Normal, template!(Word)),
// RFC #1445.
(sym::structural_match, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::structural_match,
"the semantics of constant patterns is \
not yet settled",
cfg_fn!(structural_match))),
gated!(
structural_match, Whitelisted, template!(Word),
"the semantics of constant patterns is not yet settled",
),
// RFC #2008
(sym::non_exhaustive, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::non_exhaustive,
"non exhaustive is an experimental feature",
cfg_fn!(non_exhaustive))),
gated!(
non_exhaustive, Whitelisted, template!(Word),
"non exhaustive is an experimental feature",
),
// RFC #1268
(sym::marker, Normal, template!(Word), Gated(Stability::Unstable,
sym::marker_trait_attr,
"marker traits is an experimental feature",
cfg_fn!(marker_trait_attr))),
gated!(
marker, Normal, template!(Word), marker_trait_attr,
"marker traits is an experimental feature",
),
(sym::plugin, CrateLevel, template!(List: "name|name(args)"), Gated(Stability::Unstable,
sym::plugin,
"compiler plugins are experimental \
and possibly buggy",
cfg_fn!(plugin))),
gated!(
plugin, CrateLevel, template!(List: "name|name(args)"),
"compiler plugins are experimental and possibly buggy",
),
(sym::no_std, CrateLevel, template!(Word), Ungated),
(sym::no_core, CrateLevel, template!(Word), Gated(Stability::Unstable,
sym::no_core,
"no_core is experimental",
cfg_fn!(no_core))),
(sym::lang, Normal, template!(NameValueStr: "name"), Gated(Stability::Unstable,
sym::lang_items,
"language items are subject to change",
cfg_fn!(lang_items))),
(sym::linkage, Whitelisted, template!(NameValueStr: "external|internal|..."),
Gated(Stability::Unstable,
sym::linkage,
"the `linkage` attribute is experimental \
and not portable across platforms",
cfg_fn!(linkage))),
(sym::thread_local, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::thread_local,
"`#[thread_local]` is an experimental feature, and does \
not currently handle destructors",
cfg_fn!(thread_local))),
(sym::rustc_on_unimplemented, Whitelisted, template!(List:
r#"/*opt*/ message = "...", /*opt*/ label = "...", /*opt*/ note = "...""#,
NameValueStr: "message"),
Gated(Stability::Unstable,
sym::on_unimplemented,
"the `#[rustc_on_unimplemented]` attribute \
is an experimental feature",
cfg_fn!(on_unimplemented))),
(sym::rustc_const_unstable, Normal, template!(List: r#"feature = "name""#),
Gated(Stability::Unstable,
sym::rustc_const_unstable,
"the `#[rustc_const_unstable]` attribute \
is an internal feature",
cfg_fn!(rustc_const_unstable))),
(sym::default_lib_allocator, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::allocator_internals,
"the `#[default_lib_allocator]` \
attribute is an experimental feature",
cfg_fn!(allocator_internals))),
(sym::needs_allocator, Normal, template!(Word), Gated(Stability::Unstable,
sym::allocator_internals,
"the `#[needs_allocator]` \
attribute is an experimental \
feature",
cfg_fn!(allocator_internals))),
(sym::panic_runtime, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::panic_runtime,
"the `#[panic_runtime]` attribute is \
an experimental feature",
cfg_fn!(panic_runtime))),
(sym::needs_panic_runtime, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::needs_panic_runtime,
"the `#[needs_panic_runtime]` \
attribute is an experimental \
feature",
cfg_fn!(needs_panic_runtime))),
ungated!(no_std, CrateLevel, template!(Word)),
gated!(no_core, CrateLevel, template!(Word), "no_core is experimental"),
gated!(
lang, Normal, template!(NameValueStr: "name"), lang_items,
"language items are subject to change",
),
gated!(
linkage, Whitelisted, template!(NameValueStr: "external|internal|..."),
"the `linkage` attribute is experimental and not portable across platforms",
),
gated!(
thread_local, Whitelisted, template!(Word),
"`#[thread_local]` is an experimental feature, and does not currently handle destructors",
),
gated!(
rustc_on_unimplemented, Whitelisted,
template!(
List: r#"/*opt*/ message = "...", /*opt*/ label = "...", /*opt*/ note = "...""#,
NameValueStr: "message"
),
on_unimplemented,
"the `#[rustc_on_unimplemented]` attribute is an experimental feature",
),
gated!(
rustc_const_unstable, Normal, template!(List: r#"feature = "name""#),
"the `#[rustc_const_unstable]` attribute is an internal feature",
),
gated!(
default_lib_allocator, Whitelisted, template!(Word), allocator_internals,
"the `#[default_lib_allocator]` attribute is an experimental feature",
),
gated!(
needs_allocator, Normal, template!(Word), allocator_internals,
"the `#[needs_allocator]` attribute is an experimental feature",
),
gated!(
panic_runtime, Whitelisted, template!(Word),
"the `#[panic_runtime]` attribute is an experimental feature",
),
gated!(
needs_panic_runtime, Whitelisted, template!(Word),
"the `#[needs_panic_runtime]` attribute is an experimental feature",
),
rustc_attr!(TEST, rustc_outlives, Normal, template!(Word)),
rustc_attr!(TEST, rustc_variance, Normal, template!(Word)),
rustc_attr!(TEST, rustc_layout, Normal, template!(List: "field1, field2, ...")),
@ -359,47 +335,38 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
template!(NameValueStr: "transparent|semitransparent|opaque"),
"used internally for testing macro hygiene",
),
(sym::compiler_builtins, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::compiler_builtins,
"the `#[compiler_builtins]` attribute is used to \
identify the `compiler_builtins` crate which \
contains compiler-rt intrinsics and will never be \
stable",
cfg_fn!(compiler_builtins))),
(sym::sanitizer_runtime, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::sanitizer_runtime,
"the `#[sanitizer_runtime]` attribute is used to \
identify crates that contain the runtime of a \
sanitizer and will never be stable",
cfg_fn!(sanitizer_runtime))),
(sym::profiler_runtime, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::profiler_runtime,
"the `#[profiler_runtime]` attribute is used to \
identify the `profiler_builtins` crate which \
contains the profiler runtime and will never be \
stable",
cfg_fn!(profiler_runtime))),
(sym::allow_internal_unstable, Normal, template!(Word, List: "feat1, feat2, ..."),
Gated(Stability::Unstable,
sym::allow_internal_unstable,
EXPLAIN_ALLOW_INTERNAL_UNSTABLE,
cfg_fn!(allow_internal_unstable))),
gated!(
compiler_builtins, Whitelisted, template!(Word),
"the `#[compiler_builtins]` attribute is used to identify the `compiler_builtins` crate \
which contains compiler-rt intrinsics and will never be stable",
),
gated!(
sanitizer_runtime, Whitelisted, template!(Word),
"the `#[sanitizer_runtime]` attribute is used to identify crates that contain the runtime \
of a sanitizer and will never be stable",
),
gated!(
profiler_runtime, Whitelisted, template!(Word),
"the `#[profiler_runtime]` attribute is used to identify the `profiler_builtins` crate \
which contains the profiler runtime and will never be stable",
),
(sym::allow_internal_unsafe, Normal, template!(Word), Gated(Stability::Unstable,
sym::allow_internal_unsafe,
EXPLAIN_ALLOW_INTERNAL_UNSAFE,
cfg_fn!(allow_internal_unsafe))),
gated!(
allow_internal_unstable, Normal, template!(Word, List: "feat1, feat2, ..."),
EXPLAIN_ALLOW_INTERNAL_UNSTABLE,
),
gated!(allow_internal_unsafe, Normal, template!(Word), EXPLAIN_ALLOW_INTERNAL_UNSAFE),
(sym::fundamental, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::fundamental,
"the `#[fundamental]` attribute \
is an experimental feature",
cfg_fn!(fundamental))),
gated!(
fundamental, Whitelisted, template!(Word),
"the `#[fundamental]` attribute is an experimental feature",
),
(sym::proc_macro_derive, Normal, template!(List: "TraitName, \
/*opt*/ attributes(name1, name2, ...)"),
Ungated),
ungated!(
proc_macro_derive, Normal,
template!(List: "TraitName, /*opt*/ attributes(name1, name2, ...)"),
),
rustc_attr!(rustc_allocator, Whitelisted, template!(Word), "internal implementation detail"),
rustc_attr!(
@ -418,119 +385,93 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
rustc_attr!(rustc_dummy, Normal, template!(Word /* doesn't matter*/), "used by the test suite"),
// FIXME: #14408 whitelist docs since rustdoc looks at them
(
sym::doc,
Whitelisted,
template!(List: "hidden|inline|...", NameValueStr: "string"),
Ungated
),
ungated!(doc, Whitelisted, template!(List: "hidden|inline|...", NameValueStr: "string")),
// FIXME: #14406 these are processed in codegen, which happens after the
// lint pass
(sym::cold, Whitelisted, template!(Word), Ungated),
(sym::naked, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::naked_functions,
"the `#[naked]` attribute \
is an experimental feature",
cfg_fn!(naked_functions))),
(sym::ffi_returns_twice, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::ffi_returns_twice,
"the `#[ffi_returns_twice]` attribute \
is an experimental feature",
cfg_fn!(ffi_returns_twice))),
(sym::target_feature, Whitelisted, template!(List: r#"enable = "name""#), Ungated),
(sym::export_name, Whitelisted, template!(NameValueStr: "name"), Ungated),
(sym::inline, Whitelisted, template!(Word, List: "always|never"), Ungated),
(sym::link, Whitelisted, template!(List: r#"name = "...", /*opt*/ kind = "dylib|static|...",
/*opt*/ cfg = "...""#), Ungated),
(sym::link_name, Whitelisted, template!(NameValueStr: "name"), Ungated),
(sym::link_section, Whitelisted, template!(NameValueStr: "name"), Ungated),
(sym::no_builtins, Whitelisted, template!(Word), Ungated),
(sym::no_debug, Whitelisted, template!(Word), Gated(
Stability::Deprecated("https://github.com/rust-lang/rust/issues/29721", None),
sym::no_debug,
"the `#[no_debug]` attribute was an experimental feature that has been \
deprecated due to lack of demand",
cfg_fn!(no_debug))),
// FIXME: #14406 these are processed in codegen, which happens after the lint pass
ungated!(cold, Whitelisted, template!(Word)),
gated!(
naked, Whitelisted, template!(Word), naked_functions,
"the `#[naked]` attribute is an experimental feature",
),
gated!(
ffi_returns_twice, Whitelisted, template!(Word),
"the `#[ffi_returns_twice]` attribute is an experimental feature",
),
ungated!(target_feature, Whitelisted, template!(List: r#"enable = "name""#)),
ungated!(export_name, Whitelisted, template!(NameValueStr: "name")),
ungated!(inline, Whitelisted, template!(Word, List: "always|never")),
ungated!(
link, Whitelisted,
template!(List: r#"name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ cfg = "...""#),
),
ungated!(link_name, Whitelisted, template!(NameValueStr: "name")),
ungated!(link_section, Whitelisted, template!(NameValueStr: "name")),
ungated!(no_builtins, Whitelisted, template!(Word)),
(
sym::omit_gdb_pretty_printer_section,
Whitelisted,
template!(Word),
sym::no_debug, Whitelisted, template!(Word),
Gated(
Stability::Unstable,
sym::omit_gdb_pretty_printer_section,
"the `#[omit_gdb_pretty_printer_section]` \
attribute is just used for the Rust test \
suite",
cfg_fn!(omit_gdb_pretty_printer_section)
Stability::Deprecated("https://github.com/rust-lang/rust/issues/29721", None),
sym::no_debug,
"the `#[no_debug]` attribute was an experimental feature that has been \
deprecated due to lack of demand",
cfg_fn!(no_debug)
)
),
(sym::may_dangle,
Normal,
template!(Word),
Gated(Stability::Unstable,
sym::dropck_eyepatch,
gated!(
omit_gdb_pretty_printer_section, Whitelisted, template!(Word),
"the `#[omit_gdb_pretty_printer_section]` attribute is just used for the Rust test suite",
),
gated!(
may_dangle, Normal, template!(Word), dropck_eyepatch,
"`may_dangle` has unstable semantics and may be removed in the future",
cfg_fn!(dropck_eyepatch))),
(sym::unwind, Whitelisted, template!(List: "allowed|aborts"), Gated(Stability::Unstable,
sym::unwind_attributes,
"`#[unwind]` is experimental",
cfg_fn!(unwind_attributes))),
(sym::used, Whitelisted, template!(Word), Ungated),
),
gated!(
unwind, Whitelisted, template!(List: "allowed|aborts"), unwind_attributes,
"`#[unwind]` is experimental",
),
ungated!(used, Whitelisted, template!(Word)),
// used in resolve
(sym::prelude_import, Whitelisted, template!(Word), Gated(Stability::Unstable,
sym::prelude_import,
"`#[prelude_import]` is for use by rustc only",
cfg_fn!(prelude_import))),
// Used in resolve:
gated!(
prelude_import, Whitelisted, template!(Word),
"`#[prelude_import]` is for use by rustc only",
),
// FIXME: #14407 these are only looked at on-demand so we can't
// guarantee they'll have already been checked
(
sym::rustc_deprecated,
Whitelisted,
template!(List: r#"since = "version", reason = "...""#),
Ungated
ungated!(
rustc_deprecated, Whitelisted,
template!(List: r#"since = "version", reason = "...""#)
),
(sym::must_use, Whitelisted, template!(Word, NameValueStr: "reason"), Ungated),
(
sym::stable,
Whitelisted,
template!(List: r#"feature = "name", since = "version""#),
Ungated
),
(
sym::unstable,
Whitelisted,
ungated!(must_use, Whitelisted, template!(Word, NameValueStr: "reason")),
ungated!(stable, Whitelisted, template!(List: r#"feature = "name", since = "version""#)),
ungated!(
unstable, Whitelisted,
template!(List: r#"feature = "name", reason = "...", issue = "N""#),
Ungated
),
(sym::deprecated,
Normal,
ungated!(
deprecated, Normal,
template!(
Word,
List: r#"/*opt*/ since = "version", /*opt*/ note = "reason""#,
NameValueStr: "reason"
),
Ungated
),
(sym::rustc_paren_sugar, Normal, template!(Word), Gated(Stability::Unstable,
sym::unboxed_closures,
"unboxed_closures are still evolving",
cfg_fn!(unboxed_closures))),
gated!(
rustc_paren_sugar, Normal, template!(Word), unboxed_closures,
"unboxed_closures are still evolving",
),
(sym::windows_subsystem, Whitelisted, template!(NameValueStr: "windows|console"), Ungated),
ungated!(windows_subsystem, Whitelisted, template!(NameValueStr: "windows|console")),
(sym::proc_macro_attribute, Normal, template!(Word), Ungated),
(sym::proc_macro, Normal, template!(Word), Ungated),
ungated!(proc_macro_attribute, Normal, template!(Word)),
ungated!(proc_macro, Normal, template!(Word)),
rustc_attr!(rustc_proc_macro_decls, Normal, template!(Word), "used internally by rustc"),
(sym::allow_fail, Normal, template!(Word), Gated(Stability::Unstable,
sym::allow_fail,
"allow_fail attribute is currently unstable",
cfg_fn!(allow_fail))),
gated!(allow_fail, Normal, template!(Word), "allow_fail attribute is currently unstable"),
rustc_attr!(
rustc_std_internal_symbol, Whitelisted, template!(Word),
@ -545,33 +486,33 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
rustc_args_required_const, Whitelisted, template!(List: "N"),
"this is an internal attribute that will never be stable",
),
// RFC 2070
(sym::panic_handler, Normal, template!(Word), Ungated),
(sym::alloc_error_handler, Normal, template!(Word), Gated(Stability::Unstable,
sym::alloc_error_handler,
"`#[alloc_error_handler]` is an unstable feature",
cfg_fn!(alloc_error_handler))),
// RFC 2070
ungated!(panic_handler, Normal, template!(Word)),
gated!(
alloc_error_handler, Normal, template!(Word),
"`#[alloc_error_handler]` is an unstable feature",
),
// RFC 2412
(sym::optimize, Whitelisted, template!(List: "size|speed"), Gated(Stability::Unstable,
sym::optimize_attribute,
"`#[optimize]` attribute is an unstable feature",
cfg_fn!(optimize_attribute))),
gated!(
optimize, Whitelisted, template!(List: "size|speed"), optimize_attribute,
"`#[optimize]` attribute is an unstable feature",
),
// Crate level attributes
(sym::crate_name, CrateLevel, template!(NameValueStr: "name"), Ungated),
(sym::crate_type, CrateLevel, template!(NameValueStr: "bin|lib|..."), Ungated),
(sym::crate_id, CrateLevel, template!(NameValueStr: "ignored"), Ungated),
(sym::feature, CrateLevel, template!(List: "name1, name1, ..."), Ungated),
(sym::no_start, CrateLevel, template!(Word), Ungated),
(sym::no_main, CrateLevel, template!(Word), Ungated),
(sym::recursion_limit, CrateLevel, template!(NameValueStr: "N"), Ungated),
(sym::type_length_limit, CrateLevel, template!(NameValueStr: "N"), Ungated),
(sym::test_runner, CrateLevel, template!(List: "path"), Gated(Stability::Unstable,
sym::custom_test_frameworks,
"custom test frameworks are an unstable feature",
cfg_fn!(custom_test_frameworks))),
ungated!(crate_name, CrateLevel, template!(NameValueStr: "name")),
ungated!(crate_type, CrateLevel, template!(NameValueStr: "bin|lib|...")),
ungated!(crate_id, CrateLevel, template!(NameValueStr: "ignored")),
ungated!(feature, CrateLevel, template!(List: "name1, name1, ...")),
ungated!(no_start, CrateLevel, template!(Word)),
ungated!(no_main, CrateLevel, template!(Word)),
ungated!(recursion_limit, CrateLevel, template!(NameValueStr: "N")),
ungated!(type_length_limit, CrateLevel, template!(NameValueStr: "N")),
gated!(
test_runner, CrateLevel, template!(List: "path"), custom_test_frameworks,
"custom test frameworks are an unstable feature",
),
];
pub fn deprecated_attributes() -> Vec<&'static BuiltinAttribute> {