From 2ff14448863ac1a1dd9533461708e29aae170c2d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:06:31 +0200 Subject: Adding debian version 1.65.0+dfsg1-2. Signed-off-by: Daniel Baumann --- src/librustdoc/json/import_finder.rs | 38 ++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 src/librustdoc/json/import_finder.rs (limited to 'src/librustdoc/json/import_finder.rs') diff --git a/src/librustdoc/json/import_finder.rs b/src/librustdoc/json/import_finder.rs new file mode 100644 index 000000000..c5c687df7 --- /dev/null +++ b/src/librustdoc/json/import_finder.rs @@ -0,0 +1,38 @@ +use rustc_data_structures::fx::FxHashSet; +use rustc_hir::def_id::DefId; + +use crate::{ + clean::{self, Import, ImportSource, Item}, + fold::DocFolder, +}; + +/// Get the id's of all items that are `pub use`d in the crate. +/// +/// We need this to know if a stripped module is `pub use mod::*`, to decide +/// if it needs to be kept in the index, despite being stripped. +/// +/// See [#100973](https://github.com/rust-lang/rust/issues/100973) and +/// [#101103](https://github.com/rust-lang/rust/issues/101103) for times when +/// this information is needed. +pub(crate) fn get_imports(krate: clean::Crate) -> (clean::Crate, FxHashSet) { + let mut finder = ImportFinder { imported: FxHashSet::default() }; + let krate = finder.fold_crate(krate); + (krate, finder.imported) +} + +struct ImportFinder { + imported: FxHashSet, +} + +impl DocFolder for ImportFinder { + fn fold_item(&mut self, i: Item) -> Option { + match *i.kind { + clean::ImportItem(Import { source: ImportSource { did: Some(did), .. }, .. }) => { + self.imported.insert(did); + Some(i) + } + + _ => Some(self.fold_item_recur(i)), + } + } +} -- cgit v1.2.3