diff options
Diffstat (limited to 'compiler/rustc_ast_passes/src/feature_gate.rs')
| -rw-r--r-- | compiler/rustc_ast_passes/src/feature_gate.rs | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 3682d25d341..1ec56868f37 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -36,6 +36,16 @@ macro_rules! gate_alt { feature_err(&$visitor.sess, $name, $span, $explain).emit(); } }}; + ($visitor:expr, $has_feature:expr, $name:expr, $span:expr, $explain:expr, $notes: expr) => {{ + if !$has_feature && !$span.allows_unstable($name) { + #[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable + let mut diag = feature_err(&$visitor.sess, $name, $span, $explain); + for note in $notes { + diag.note(*note); + } + diag.emit(); + } + }}; } /// The case involving a multispan. @@ -154,11 +164,11 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { let attr_info = attr.ident().and_then(|ident| BUILTIN_ATTRIBUTE_MAP.get(&ident.name)); // Check feature gates for built-in attributes. if let Some(BuiltinAttribute { - gate: AttributeGate::Gated(_, name, descr, has_feature), + gate: AttributeGate::Gated { feature, message, check, notes, .. }, .. }) = attr_info { - gate_alt!(self, has_feature(self.features), *name, attr.span, *descr); + gate_alt!(self, check(self.features), *feature, attr.span, *message, *notes); } // Check unstable flavors of the `#[doc]` attribute. if attr.has_name(sym::doc) { |