diff options
| -rw-r--r-- | compiler/rustc_attr_parsing/src/attributes/stability.rs | 26 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/validate_attr.rs | 3 | ||||
| -rw-r--r-- | tests/ui/stability-attribute/stability-attribute-sanity-4.stderr | 32 |
3 files changed, 47 insertions, 14 deletions
diff --git a/compiler/rustc_attr_parsing/src/attributes/stability.rs b/compiler/rustc_attr_parsing/src/attributes/stability.rs index 59337749c87..c54fc6b41f8 100644 --- a/compiler/rustc_attr_parsing/src/attributes/stability.rs +++ b/compiler/rustc_attr_parsing/src/attributes/stability.rs @@ -74,8 +74,15 @@ impl<S: Stage> AttributeParser<S> for StabilityParser { template!(NameValueStr: "deprecation message"), |this, cx, args| { reject_outside_std!(cx); - this.allowed_through_unstable_modules = - args.name_value().and_then(|i| i.value_as_str()) + let Some(nv) = args.name_value() else { + cx.expected_name_value(cx.attr_span, None); + return; + }; + let Some(value_str) = nv.value_as_str() else { + cx.expected_string_literal(nv.value_span, Some(nv.value_as_lit())); + return; + }; + this.allowed_through_unstable_modules = Some(value_str); }, ), ]; @@ -247,7 +254,12 @@ pub(crate) fn parse_stability<S: Stage>( let mut feature = None; let mut since = None; - for param in args.list()?.mixed() { + let ArgParser::List(list) = args else { + cx.expected_list(cx.attr_span); + return None; + }; + + for param in list.mixed() { let param_span = param.span(); let Some(param) = param.meta_item() else { cx.emit_err(session_diagnostics::UnsupportedLiteral { @@ -322,7 +334,13 @@ pub(crate) fn parse_unstability<S: Stage>( let mut is_soft = false; let mut implied_by = None; let mut old_name = None; - for param in args.list()?.mixed() { + + let ArgParser::List(list) = args else { + cx.expected_list(cx.attr_span); + return None; + }; + + for param in list.mixed() { let Some(param) = param.meta_item() else { cx.emit_err(session_diagnostics::UnsupportedLiteral { span: param.span(), diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index cca621103b5..f040fed7162 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -285,6 +285,9 @@ pub fn check_builtin_meta_item( | sym::rustc_do_not_implement_via_object | sym::rustc_coinductive | sym::const_trait + | sym::stable + | sym::unstable + | sym::rustc_allowed_through_unstable_modules | sym::rustc_specialization_trait | sym::rustc_unsafe_specialization_marker | sym::rustc_allow_incoherent_impl diff --git a/tests/ui/stability-attribute/stability-attribute-sanity-4.stderr b/tests/ui/stability-attribute/stability-attribute-sanity-4.stderr index 8ead943ffe3..f656aeaa16c 100644 --- a/tests/ui/stability-attribute/stability-attribute-sanity-4.stderr +++ b/tests/ui/stability-attribute/stability-attribute-sanity-4.stderr @@ -1,26 +1,38 @@ -error: malformed `unstable` attribute input +error[E0539]: malformed `unstable` attribute input --> $DIR/stability-attribute-sanity-4.rs:8:5 | LL | #[unstable] - | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]` + | ^^^^^^^^^^^ + | | + | expected this to be a list + | help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]` -error: malformed `unstable` attribute input +error[E0539]: malformed `unstable` attribute input --> $DIR/stability-attribute-sanity-4.rs:11:5 | LL | #[unstable = "b"] - | ^^^^^^^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]` + | ^^^^^^^^^^^^^^^^^ + | | + | expected this to be a list + | help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]` -error: malformed `stable` attribute input +error[E0539]: malformed `stable` attribute input --> $DIR/stability-attribute-sanity-4.rs:14:5 | LL | #[stable] - | ^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` + | ^^^^^^^^^ + | | + | expected this to be a list + | help: must be of the form: `#[stable(feature = "name", since = "version")]` -error: malformed `stable` attribute input +error[E0539]: malformed `stable` attribute input --> $DIR/stability-attribute-sanity-4.rs:17:5 | LL | #[stable = "a"] - | ^^^^^^^^^^^^^^^ help: must be of the form: `#[stable(feature = "name", since = "version")]` + | ^^^^^^^^^^^^^^^ + | | + | expected this to be a list + | help: must be of the form: `#[stable(feature = "name", since = "version")]` error[E0542]: missing 'since' --> $DIR/stability-attribute-sanity-4.rs:21:5 @@ -42,5 +54,5 @@ LL | #[deprecated = "a"] error: aborting due to 7 previous errors -Some errors have detailed explanations: E0542, E0543. -For more information about an error, try `rustc --explain E0542`. +Some errors have detailed explanations: E0539, E0542, E0543. +For more information about an error, try `rustc --explain E0539`. |