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Add unstable --print=crate-root-lint-levels

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This commit is contained in:
Urgau 2025-03-30 15:56:41 +02:00
parent 69cb0a9e15
commit df18de57a5
11 changed files with 186 additions and 5 deletions
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28
compiler/rustc_driver_impl/src/lib.rs
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@ -691,6 +691,34 @@ fn print_crate_info(
};
println_info!("{}", passes::get_crate_name(sess, attrs));
}
CrateRootLintLevels => {
let Some(attrs) = attrs.as_ref() else {
// no crate attributes, print out an error and exit
return Compilation::Continue;
};
let crate_name = passes::get_crate_name(sess, attrs);
let lint_store = crate::unerased_lint_store(sess);
let registered_tools = rustc_resolve::registered_tools_ast(sess.dcx(), attrs);
let features = rustc_expand::config::features(sess, attrs, crate_name);
let lint_levels = rustc_lint::LintLevelsBuilder::crate_root(
sess,
&features,
true,
lint_store,
&registered_tools,
attrs,
);
for lint in lint_store.get_lints() {
if let Some(feature_symbol) = lint.feature_gate
&& !features.enabled(feature_symbol)
{
// lint is unstable and feature gate isn't active, don't print
continue;
}
let level = lint_levels.lint_level(lint).0;
println_info!("{}={}", lint.name_lower(), level.as_str());
}
}
Cfg => {
let mut cfgs = sess
.psess