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Introduce the #[diagnostic] attribute namespace

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Co-authored-by: est31 <est31@users.noreply.github.com>

Co-authored-by: Esteban Kuber <estebank@users.noreply.github.com>

Co-authored-by: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
This commit is contained in:
Georg Semmler 2023-04-28 13:04:35 +02:00
parent d150dbb067
commit 5b576665e5
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15 changed files with 202 additions and 4 deletions
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25
compiler/rustc_lint_defs/src/builtin.rs
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@ -3400,6 +3400,7 @@ declare_lint_pass! {
UNFULFILLED_LINT_EXPECTATIONS,
UNINHABITED_STATIC,
UNKNOWN_CRATE_TYPES,
UNKNOWN_DIAGNOSTIC_ATTRIBUTES,
UNKNOWN_LINTS,
UNNAMEABLE_TYPES,
UNREACHABLE_CODE,
@ -4380,3 +4381,27 @@ declare_lint! {
"effective visibility of a type is larger than the area in which it can be named",
@feature_gate = sym::type_privacy_lints;
}
declare_lint! {
/// The `unknown_diagnostic_attributes` lint detects unrecognized diagnostic attributes.
///
/// ### Example
///
/// ```rust
/// #![feature(diagnostic_namespace)]
/// #[diagnostic::does_not_exist]
/// struct Foo;
/// ```
///
/// {{produces}}
///
/// ### Explanation
///
/// It is usually a mistake to specify a diagnostic attribute that does not exist. Check
/// the spelling, and check the diagnostic attribute listing for the correct name. Also
/// consider if you are using an old version of the compiler, and the attribute
/// is only available in a newer version.
pub UNKNOWN_DIAGNOSTIC_ATTRIBUTES,
Warn,
"unrecognized diagnostic attribute"
}