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-rw-r--r--compiler/rustc_feature/src/builtin_attrs.rs74
1 files changed, 52 insertions, 22 deletions
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs
index 0e73d8fd7..2ead3c2c8 100644
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -277,7 +277,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
ungated!(ignore, Normal, template!(Word, NameValueStr: "reason"), WarnFollowing),
ungated!(
should_panic, Normal,
- template!(Word, List: r#"expected = "reason"#, NameValueStr: "reason"), FutureWarnFollowing,
+ template!(Word, List: r#"expected = "reason""#, NameValueStr: "reason"), FutureWarnFollowing,
),
// FIXME(Centril): This can be used on stable but shouldn't.
ungated!(reexport_test_harness_main, CrateLevel, template!(NameValueStr: "name"), ErrorFollowing),
@@ -296,20 +296,24 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// Lints:
ungated!(
- warn, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk
+ warn, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
+ DuplicatesOk, @only_local: true,
),
ungated!(
- allow, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk
+ allow, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
+ DuplicatesOk, @only_local: true,
),
gated!(
expect, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk,
lint_reasons, experimental!(expect)
),
ungated!(
- forbid, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk
+ forbid, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
+ DuplicatesOk, @only_local: true,
),
ungated!(
- deny, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk
+ deny, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
+ DuplicatesOk, @only_local: true,
),
ungated!(must_use, Normal, template!(Word, NameValueStr: "reason"), FutureWarnFollowing),
gated!(
@@ -335,16 +339,17 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// ABI, linking, symbols, and FFI
ungated!(
link, Normal,
- template!(List: r#"name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...""#),
+ template!(List: r#"name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated""#),
DuplicatesOk,
),
ungated!(link_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding),
ungated!(no_link, Normal, template!(Word), WarnFollowing),
- ungated!(repr, Normal, template!(List: "C"), DuplicatesOk),
+ ungated!(repr, Normal, template!(List: "C"), DuplicatesOk, @only_local: true),
ungated!(export_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding),
ungated!(link_section, Normal, template!(NameValueStr: "name"), FutureWarnPreceding),
ungated!(no_mangle, Normal, template!(Word), WarnFollowing, @only_local: true),
ungated!(used, Normal, template!(Word, List: "compiler|linker"), WarnFollowing, @only_local: true),
+ ungated!(link_ordinal, Normal, template!(List: "ordinal"), ErrorPreceding),
// Limits:
ungated!(recursion_limit, CrateLevel, template!(NameValueStr: "N"), FutureWarnFollowing),
@@ -359,6 +364,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
),
// Entry point:
+ gated!(unix_sigpipe, Normal, template!(Word, NameValueStr: "inherit|sig_ign|sig_dfl"), ErrorFollowing, experimental!(unix_sigpipe)),
ungated!(start, Normal, template!(Word), WarnFollowing),
ungated!(no_start, CrateLevel, template!(Word), WarnFollowing),
ungated!(no_main, CrateLevel, template!(Word), WarnFollowing),
@@ -380,7 +386,10 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
ungated!(inline, Normal, template!(Word, List: "always|never"), FutureWarnFollowing, @only_local: true),
ungated!(cold, Normal, template!(Word), WarnFollowing, @only_local: true),
ungated!(no_builtins, CrateLevel, template!(Word), WarnFollowing),
- ungated!(target_feature, Normal, template!(List: r#"enable = "name""#), DuplicatesOk),
+ ungated!(
+ target_feature, Normal, template!(List: r#"enable = "name""#),
+ DuplicatesOk, @only_local: true,
+ ),
ungated!(track_caller, Normal, template!(Word), WarnFollowing),
gated!(
no_sanitize, Normal,
@@ -405,10 +414,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// Linking:
gated!(naked, Normal, template!(Word), WarnFollowing, @only_local: true, naked_functions, experimental!(naked)),
- gated!(
- link_ordinal, Normal, template!(List: "ordinal"), ErrorPreceding, raw_dylib,
- experimental!(link_ordinal)
- ),
// Plugins:
BuiltinAttribute {
@@ -459,10 +464,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
gated!(ffi_pure, Normal, template!(Word), WarnFollowing, experimental!(ffi_pure)),
gated!(ffi_const, Normal, template!(Word), WarnFollowing, experimental!(ffi_const)),
gated!(
- register_attr, CrateLevel, template!(List: "attr1, attr2, ..."), DuplicatesOk,
- experimental!(register_attr),
- ),
- gated!(
register_tool, CrateLevel, template!(List: "tool1, tool2, ..."), DuplicatesOk,
experimental!(register_tool),
),
@@ -474,7 +475,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// RFC 2632
gated!(
const_trait, Normal, template!(Word), WarnFollowing, const_trait_impl,
- "`const` is a temporary placeholder for marking a trait that is suitable for `const` \
+ "`const_trait` is a temporary placeholder for marking a trait that is suitable for `const` \
`impls` and all default bodies as `const`, which may be removed or renamed in the \
future."
),
@@ -484,21 +485,38 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
experimental!(deprecated_safe),
),
+ // `#[collapse_debuginfo]`
+ gated!(
+ collapse_debuginfo, Normal, template!(Word), WarnFollowing,
+ experimental!(collapse_debuginfo)
+ ),
+
// ==========================================================================
// Internal attributes: Stability, deprecation, and unsafe:
// ==========================================================================
- ungated!(feature, CrateLevel, template!(List: "name1, name2, ..."), DuplicatesOk),
+ ungated!(
+ feature, CrateLevel,
+ template!(List: "name1, name2, ..."), DuplicatesOk, @only_local: true,
+ ),
// DuplicatesOk since it has its own validation
ungated!(
- stable, Normal, template!(List: r#"feature = "name", since = "version""#), DuplicatesOk,
+ stable, Normal,
+ template!(List: r#"feature = "name", since = "version""#), DuplicatesOk, @only_local: true,
),
ungated!(
unstable, Normal,
template!(List: r#"feature = "name", reason = "...", issue = "N""#), DuplicatesOk,
),
ungated!(rustc_const_unstable, Normal, template!(List: r#"feature = "name""#), DuplicatesOk),
- ungated!(rustc_const_stable, Normal, template!(List: r#"feature = "name""#), DuplicatesOk),
+ ungated!(
+ rustc_const_stable, Normal,
+ template!(List: r#"feature = "name""#), DuplicatesOk, @only_local: true,
+ ),
+ ungated!(
+ rustc_default_body_unstable, Normal,
+ template!(List: r#"feature = "name", reason = "...", issue = "N""#), DuplicatesOk
+ ),
gated!(
allow_internal_unstable, Normal, template!(Word, List: "feat1, feat2, ..."), DuplicatesOk,
"allow_internal_unstable side-steps feature gating and stability checks",
@@ -512,6 +530,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
allow_internal_unsafe, Normal, template!(Word), WarnFollowing,
"allow_internal_unsafe side-steps the unsafe_code lint",
),
+ ungated!(rustc_safe_intrinsic, Normal, template!(Word), DuplicatesOk),
rustc_attr!(rustc_allowed_through_unstable_modules, Normal, template!(Word), WarnFollowing,
"rustc_allowed_through_unstable_modules special cases accidental stabilizations of stable items \
through unstable paths"),
@@ -531,7 +550,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// ==========================================================================
rustc_attr!(rustc_allocator, Normal, template!(Word), WarnFollowing, IMPL_DETAIL),
- rustc_attr!(rustc_allocator_nounwind, Normal, template!(Word), WarnFollowing, IMPL_DETAIL),
+ rustc_attr!(rustc_nounwind, Normal, template!(Word), WarnFollowing, IMPL_DETAIL),
rustc_attr!(rustc_reallocator, Normal, template!(Word), WarnFollowing, IMPL_DETAIL),
rustc_attr!(rustc_deallocator, Normal, template!(Word), WarnFollowing, IMPL_DETAIL),
rustc_attr!(rustc_allocator_zeroed, Normal, template!(Word), WarnFollowing, IMPL_DETAIL),
@@ -727,7 +746,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
for reserving for `for<T> From<!> for T` impl"
),
rustc_attr!(
- rustc_test_marker, Normal, template!(Word), WarnFollowing,
+ rustc_test_marker, Normal, template!(NameValueStr: "name"), WarnFollowing,
"the `#[rustc_test_marker]` attribute is used internally to track tests",
),
rustc_attr!(
@@ -758,6 +777,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// Internal attributes, Testing:
// ==========================================================================
+ rustc_attr!(TEST, rustc_effective_visibility, Normal, template!(Word), WarnFollowing),
rustc_attr!(TEST, rustc_outlives, Normal, template!(Word), WarnFollowing),
rustc_attr!(TEST, rustc_capture_analysis, Normal, template!(Word), WarnFollowing),
rustc_attr!(TEST, rustc_insignificant_dtor, Normal, template!(Word), WarnFollowing),
@@ -817,10 +837,20 @@ pub fn is_builtin_attr_name(name: Symbol) -> bool {
BUILTIN_ATTRIBUTE_MAP.get(&name).is_some()
}
+/// Whether this builtin attribute is only used in the local crate.
+/// If so, it is not encoded in the crate metadata.
pub fn is_builtin_only_local(name: Symbol) -> bool {
BUILTIN_ATTRIBUTE_MAP.get(&name).map_or(false, |attr| attr.only_local)
}
+pub fn is_valid_for_get_attr(name: Symbol) -> bool {
+ BUILTIN_ATTRIBUTE_MAP.get(&name).map_or(false, |attr| match attr.duplicates {
+ WarnFollowing | ErrorFollowing | ErrorPreceding | FutureWarnFollowing
+ | FutureWarnPreceding => true,
+ DuplicatesOk | WarnFollowingWordOnly => false,
+ })
+}
+
pub static BUILTIN_ATTRIBUTE_MAP: LazyLock<FxHashMap<Symbol, &BuiltinAttribute>> =
LazyLock::new(|| {
let mut map = FxHashMap::default();
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 18:46:45 +0000