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compute where_outer on demand, remove it from Module

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This commit is contained in:
Timothée Delabrouille 2021-05-01 15:33:49 +02:00
parent 855c2d130f
commit 649bf22df5
3 changed files with 14 additions and 15 deletions
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5
src/librustdoc/clean/mod.rs
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@ -100,12 +100,13 @@ impl Clean<Item> for doctree::Module<'_> {
// determine if we should display the inner contents or
// the outer `mod` item for the source code.
let span = Span::from_rustc_span({
let where_outer = self.where_outer(cx.tcx);
let sm = cx.sess().source_map();
let outer = sm.lookup_char_pos(self.where_outer.lo());
let outer = sm.lookup_char_pos(where_outer.lo());
let inner = sm.lookup_char_pos(self.where_inner.lo());
if outer.file.start_pos == inner.file.start_pos {
// mod foo { ... }
self.where_outer
where_outer
} else {
// mod foo; (and a separate SourceFile for the contents)
self.where_inner