---

yaml
---
r: 152193
b: refs/heads/try2
c: 8c669d7
h: refs/heads/master
i:
  152191: f215946
v: v3

Author: alexcrichton

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: c2564b8fd4f9669d2426e0e637e71139e2004ea3
+refs/heads/try2: 8c669d7f749a1f714e00eb4cdcac3a68e2208951
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/librustdoc/clean/inline.rs

@@ -67,12 +67,12 @@ fn try_inline_def(cx: &core::DocContext,
         }
         ast::DefStruct(did) => {
             record_extern_fqn(cx, did, clean::TypeStruct);
-            ret.extend(build_impls(tcx, did).move_iter());
+            ret.extend(build_impls(cx, tcx, did).move_iter());
             clean::StructItem(build_struct(tcx, did))
         }
         ast::DefTy(did) => {
             record_extern_fqn(cx, did, clean::TypeEnum);
-            ret.extend(build_impls(tcx, did).move_iter());
+            ret.extend(build_impls(cx, tcx, did).move_iter());
             build_type(tcx, did)
         }
         // Assume that the enum type is reexported next to the variant, and
@@ -193,7 +193,8 @@ fn build_type(tcx: &ty::ctxt, did: ast::DefId) -> clean::ItemEnum {
     })
 }
 
-fn build_impls(tcx: &ty::ctxt,
+fn build_impls(cx: &core::DocContext,
+               tcx: &ty::ctxt,
                did: ast::DefId) -> Vec<clean::Item> {
     ty::populate_implementations_for_type_if_necessary(tcx, did);
     let mut impls = Vec::new();
@@ -205,6 +206,38 @@ fn build_impls(tcx: &ty::ctxt,
         }
     }
 
+    // If this is the first time we've inlined something from this crate, then
+    // we inline *all* impls from the crate into this crate. Note that there's
+    // currently no way for us to filter this based on type, and we likely need
+    // many impls for a variety of reasons.
+    //
+    // Primarily, the impls will be used to populate the documentation for this
+    // type being inlined, but impls can also be used when generating
+    // documentation for primitives (no way to find those specifically).
+    if cx.populated_crate_impls.borrow_mut().insert(did.krate) {
+        csearch::each_top_level_item_of_crate(&tcx.sess.cstore,
+                                              did.krate,
+                                              |def, _, _| {
+            populate_impls(tcx, def, &mut impls)
+        });
+
+        fn populate_impls(tcx: &ty::ctxt,
+                          def: decoder::DefLike,
+                          impls: &mut Vec<clean::Item>) {
+            match def {
+                decoder::DlImpl(did) => impls.push(build_impl(tcx, did)),
+                decoder::DlDef(ast::DefMod(did)) => {
+                    csearch::each_child_of_item(&tcx.sess.cstore,
+                                                did,
+                                                |def, _, _| {
+                        populate_impls(tcx, def, impls)
+                    })
+                }
+                _ => {}
+            }
+        }
+    }
+
     impls
 }
 
@@ -268,7 +301,8 @@ fn build_module(cx: &core::DocContext, tcx: &ty::ctxt,
                     None => {}
                 }
             }
-            decoder::DlImpl(did) => items.push(build_impl(tcx, did)),
+            // All impls were inlined above
+            decoder::DlImpl(..) => {}
             decoder::DlField => fail!("unimplemented field"),
         }
     });

branches/try2/src/librustdoc/core.rs

@@ -42,6 +42,7 @@ pub struct DocContext {
     pub external_traits: RefCell<Option<HashMap<ast::DefId, clean::Trait>>>,
     pub external_typarams: RefCell<Option<HashMap<ast::DefId, String>>>,
     pub inlined: RefCell<Option<HashSet<ast::DefId>>>,
+    pub populated_crate_impls: RefCell<HashSet<ast::CrateNum>>,
 }
 
 impl DocContext {
@@ -114,6 +115,7 @@ fn get_ast_and_resolve(cpath: &Path, libs: HashSet<Path>, cfgs: Vec<String>)
         external_typarams: RefCell::new(Some(HashMap::new())),
         external_paths: RefCell::new(Some(HashMap::new())),
         inlined: RefCell::new(Some(HashSet::new())),
+        populated_crate_impls: RefCell::new(HashSet::new()),
     }, CrateAnalysis {
         exported_items: exported_items,
         public_items: public_items,

branches/try2/src/librustdoc/test.rs

@@ -79,6 +79,7 @@ pub fn run(input: &str,
         external_traits: RefCell::new(None),
         external_typarams: RefCell::new(None),
         inlined: RefCell::new(None),
+        populated_crate_impls: RefCell::new(HashSet::new()),
     };
     super::ctxtkey.replace(Some(ctx));