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rustc_allowed_through_unstable_modules: require deprecation message

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This commit is contained in:
Ralf Jung 2025-02-02 12:33:40 +01:00
parent 8239a37f9c
commit 3320e91575
12 changed files with 107 additions and 125 deletions
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18
compiler/rustc_attr_parsing/src/attributes/stability.rs
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@ -6,12 +6,12 @@ use rustc_ast::MetaItem;
use rustc_ast::attr::AttributeExt;
use rustc_ast_pretty::pprust;
use rustc_attr_data_structures::{
AllowedThroughUnstableModules, ConstStability, DefaultBodyStability, Stability, StabilityLevel,
StableSince, UnstableReason, VERSION_PLACEHOLDER,
ConstStability, DefaultBodyStability, Stability, StabilityLevel, StableSince, UnstableReason,
VERSION_PLACEHOLDER,
};
use rustc_errors::ErrorGuaranteed;
use rustc_session::Session;
use rustc_span::{Span, Symbol, sym};
use rustc_span::{Span, Symbol, kw, sym};
use crate::attributes::util::UnsupportedLiteralReason;
use crate::{parse_version, session_diagnostics};
@ -29,10 +29,14 @@ pub fn find_stability(
for attr in attrs {
match attr.name_or_empty() {
sym::rustc_allowed_through_unstable_modules => {
allowed_through_unstable_modules = Some(match attr.value_str() {
Some(msg) => AllowedThroughUnstableModules::WithDeprecation(msg),
None => AllowedThroughUnstableModules::WithoutDeprecation,
})
// The value is mandatory, but avoid ICEs in case such code reaches this function.
allowed_through_unstable_modules = Some(attr.value_str().unwrap_or_else(|| {
sess.dcx().span_delayed_bug(
item_sp,
"`#[rustc_allowed_through_unstable_modules]` without deprecation message",
);
kw::Empty
}))
}
sym::unstable => {
if stab.is_some() {