src/librustdoc/passes/strip_private.rs

   1 use rustc::util::nodemap::DefIdSet;
   2
   3 use crate::clean;
   4 use crate::fold::{DocFolder};
   5 use crate::core::DocContext;
   6 use crate::passes::{ImplStripper, ImportStripper, Stripper, Pass};
   7
   8 pub const STRIP_PRIVATE: Pass =
   9     Pass::early("strip-private", strip_private,
  10         "strips all private items from a crate which cannot be seen externally, \
  11          implies strip-priv-imports");
  12
  13 /// Strip private items from the point of view of a crate or externally from a
  14 /// crate, specified by the `xcrate` flag.
  15 pub fn strip_private(mut krate: clean::Crate, cx: &DocContext<'_, '_, '_>) -> clean::Crate {
  16     // This stripper collects all *retained* nodes.
  17     let mut retained = DefIdSet::default();
  18     let access_levels = cx.renderinfo.borrow().access_levels.clone();
  19
  20     // strip all private items
  21     {
  22         let mut stripper = Stripper {
  23             retained: &mut retained,
  24             access_levels: &access_levels,
  25             update_retained: true,
  26         };
  27         krate = ImportStripper.fold_crate(stripper.fold_crate(krate));
  28     }
  29
  30     // strip all impls referencing private items
  31     let mut stripper = ImplStripper { retained: &retained };
  32     stripper.fold_crate(krate)
  33 }