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Assert that a single scope is passed to for_scope

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This commit is contained in:
Urgau 2024-01-22 12:08:48 +01:00
parent a58ec8ff03
commit 64f590a50d
1 changed files with 18 additions and 5 deletions
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23
compiler/rustc_session/src/session.rs
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@ -1523,16 +1523,25 @@ pub trait RemapFileNameExt {
where
Self: 'a;
fn for_scope(&self, sess: &Session, scopes: RemapPathScopeComponents) -> Self::Output<'_>;
/// Returns a possibly remapped filename based on the passed scope and remap cli options.
///
/// One and only one scope should be passed to this method. For anything related to
/// "codegen" see the [`RemapFileNameExt::for_codegen`] method.
fn for_scope(&self, sess: &Session, scope: RemapPathScopeComponents) -> Self::Output<'_>;
/// Return a possibly remapped filename, to be used in "codegen" related parts.
fn for_codegen(&self, sess: &Session) -> Self::Output<'_>;
}
impl RemapFileNameExt for rustc_span::FileName {
type Output<'a> = rustc_span::FileNameDisplay<'a>;
fn for_scope(&self, sess: &Session, scopes: RemapPathScopeComponents) -> Self::Output<'_> {
if sess.opts.unstable_opts.remap_path_scope.contains(scopes) {
fn for_scope(&self, sess: &Session, scope: RemapPathScopeComponents) -> Self::Output<'_> {
assert!(
scope.bits().count_ones() == 1,
"one and only one scope should be passed to for_scope"
);
if sess.opts.unstable_opts.remap_path_scope.contains(scope) {
self.prefer_remapped_unconditionaly()
} else {
self.prefer_local()
@ -1551,8 +1560,12 @@ impl RemapFileNameExt for rustc_span::FileName {
impl RemapFileNameExt for rustc_span::RealFileName {
type Output<'a> = &'a Path;
fn for_scope(&self, sess: &Session, scopes: RemapPathScopeComponents) -> Self::Output<'_> {
if sess.opts.unstable_opts.remap_path_scope.contains(scopes) {
fn for_scope(&self, sess: &Session, scope: RemapPathScopeComponents) -> Self::Output<'_> {
assert!(
scope.bits().count_ones() == 1,
"one and only one scope should be passed to for_scope"
);
if sess.opts.unstable_opts.remap_path_scope.contains(scope) {
self.remapped_path_if_available()
} else {
self.local_path_if_available()