move export_map into the tcx

src/librustdoc/core.rs

@@ -13,7 +13,7 @@ use rustc_driver::{driver, target_features, abort_on_err};
 use rustc::dep_graph::DepGraph;
 use rustc::session::{self, config};
 use rustc::hir::def_id::DefId;
-use rustc::hir::def::{Def, ExportMap};
+use rustc::hir::def::Def;
 use rustc::middle::privacy::AccessLevels;
 use rustc::ty::{self, TyCtxt, GlobalArenas};
 use rustc::hir::map as hir_map;
@@ -64,7 +64,6 @@ pub struct DocContext<'a, 'tcx: 'a> {
     pub ty_substs: RefCell<FxHashMap<Def, clean::Type>>,
     /// Table node id of lifetime parameter definition -> substituted lifetime
     pub lt_substs: RefCell<FxHashMap<ast::NodeId, clean::Lifetime>>,
-    pub export_map: ExportMap,
 }
 
 impl<'a, 'tcx> DocContext<'a, 'tcx> {
@@ -180,7 +179,7 @@ pub fn run_core(search_paths: SearchPaths,
             sess.fatal("Compilation failed, aborting rustdoc");
         }
 
-        let ty::CrateAnalysis { access_levels, export_map, .. } = analysis;
+        let ty::CrateAnalysis { access_levels, .. } = analysis;
 
         // Convert from a NodeId set to a DefId set since we don't always have easy access
         // to the map from defid -> nodeid
@@ -198,7 +197,6 @@ pub fn run_core(search_paths: SearchPaths,
             renderinfo: Default::default(),
             ty_substs: Default::default(),
             lt_substs: Default::default(),
-            export_map: export_map,
         };
         debug!("crate: {:?}", tcx.hir.krate());
 

src/librustdoc/visit_ast.rs

@@ -198,7 +198,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
             self.visit_item(item, None, &mut om);
         }
         self.inside_public_path = orig_inside_public_path;
-        if let Some(exports) = self.cx.export_map.get(&id) {
+        if let Some(exports) = self.cx.tcx.export_map.get(&id) {
             for export in exports {
                 if let Def::Macro(def_id, ..) = export.def {
                     if def_id.krate == LOCAL_CRATE {