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By changing some attributes to only_local, reducing encoding attributes in the crate metadate. #121493

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Feb 26, 2024
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By changing some attributes to only_local, reducing encoding attributes in the crate metadate. #121493

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62 changes: 44 additions & 18 deletions compiler/rustc_feature/src/builtin_attrs.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -278,25 +278,35 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
ungated!(cfg_attr, Normal, template!(List: "predicate, attr1, attr2, ..."), DuplicatesOk),

// Testing:
ungated!(ignore, Normal, template!(Word, NameValueStr: "reason"), WarnFollowing),
ungated!(
ignore, Normal, template!(Word, NameValueStr: "reason"), WarnFollowing,
@only_local: true,
),
ungated!(
should_panic, Normal,
template!(Word, List: r#"expected = "reason""#, NameValueStr: "reason"), FutureWarnFollowing,
@only_local: true,
),
// FIXME(Centril): This can be used on stable but shouldn't.
ungated!(reexport_test_harness_main, CrateLevel, template!(NameValueStr: "name"), ErrorFollowing),
ungated!(
reexport_test_harness_main, CrateLevel, template!(NameValueStr: "name"), ErrorFollowing,
@only_local: true,
),

// Macros:
ungated!(automatically_derived, Normal, template!(Word), WarnFollowing),
ungated!(macro_use, Normal, template!(Word, List: "name1, name2, ..."), WarnFollowingWordOnly),
ungated!(macro_escape, Normal, template!(Word), WarnFollowing), // Deprecated synonym for `macro_use`.
ungated!(
macro_use, Normal, template!(Word, List: "name1, name2, ..."), WarnFollowingWordOnly,
@only_local: true,
),
ungated!(macro_escape, Normal, template!(Word), WarnFollowing, @only_local: true), // Deprecated synonym for `macro_use`.
ungated!(macro_export, Normal, template!(Word, List: "local_inner_macros"), WarnFollowing),
ungated!(proc_macro, Normal, template!(Word), ErrorFollowing),
ungated!(proc_macro, Normal, template!(Word), ErrorFollowing, @only_local: true),
ungated!(
proc_macro_derive, Normal,
template!(List: "TraitName, /*opt*/ attributes(name1, name2, ...)"), ErrorFollowing,
proc_macro_derive, Normal, template!(List: "TraitName, /*opt*/ attributes(name1, name2, ...)"),
ErrorFollowing, @only_local: true,
),
ungated!(proc_macro_attribute, Normal, template!(Word), ErrorFollowing),
ungated!(proc_macro_attribute, Normal, template!(Word), ErrorFollowing, @only_local: true),

// Lints:
ungated!(
Expand All @@ -309,7 +319,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
),
gated!(
expect, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk,
lint_reasons, experimental!(expect)
@only_local: true, lint_reasons, experimental!(expect)
),
ungated!(
forbid, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#),
Expand All @@ -335,32 +345,48 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
),

// Crate properties:
ungated!(crate_name, CrateLevel, template!(NameValueStr: "name"), FutureWarnFollowing),
ungated!(crate_type, CrateLevel, template!(NameValueStr: "bin|lib|..."), DuplicatesOk),
ungated!(
crate_name, CrateLevel, template!(NameValueStr: "name"), FutureWarnFollowing,
@only_local: true,
),
ungated!(
crate_type, CrateLevel, template!(NameValueStr: "bin|lib|..."), DuplicatesOk,
@only_local: true,
),
// crate_id is deprecated
ungated!(crate_id, CrateLevel, template!(NameValueStr: "ignored"), FutureWarnFollowing),
ungated!(
crate_id, CrateLevel, template!(NameValueStr: "ignored"), FutureWarnFollowing,
@only_local: true,
),

// ABI, linking, symbols, and FFI
ungated!(
link, Normal,
template!(List: r#"name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated""#),
DuplicatesOk,
@only_local: true,
),
ungated!(link_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding),
ungated!(no_link, Normal, template!(Word), WarnFollowing),
ungated!(no_link, Normal, template!(Word), WarnFollowing, @only_local: true),
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!(export_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding, @only_local: true),
ungated!(link_section, Normal, template!(NameValueStr: "name"), FutureWarnPreceding, @only_local: true),
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),
ungated!(type_length_limit, CrateLevel, template!(NameValueStr: "N"), FutureWarnFollowing),
ungated!(
recursion_limit, CrateLevel, template!(NameValueStr: "N"), FutureWarnFollowing,
@only_local: true
),
ungated!(
type_length_limit, CrateLevel, template!(NameValueStr: "N"), FutureWarnFollowing,
@only_local: true
),
gated!(
move_size_limit, CrateLevel, template!(NameValueStr: "N"), ErrorFollowing,
large_assignments, experimental!(move_size_limit)
@only_local: true, large_assignments, experimental!(move_size_limit)
),

// Entry point:
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