Refactor away fields `MacroDef::{use_locally, export}`.

src/librustc/hir/lowering.rs

@@ -716,8 +716,6 @@ fn lower_macro_def(&mut self, m: &MacroDef) -> hir::MacroDef {
             id: m.id,
             span: m.span,
             imported_from: m.imported_from.map(|x| x.name),
-            export: m.export,
-            use_locally: m.use_locally,
             allow_internal_unstable: m.allow_internal_unstable,
             body: m.body.clone().into(),
         }

src/librustc/hir/mod.rs

@@ -458,8 +458,6 @@ pub struct MacroDef {
     pub id: NodeId,
     pub span: Span,
     pub imported_from: Option<Name>,
-    pub export: bool,
-    pub use_locally: bool,
     pub allow_internal_unstable: bool,
     pub body: HirVec<TokenTree>,
 }

src/librustc_incremental/calculate_svh/svh_visitor.rs

@@ -675,13 +675,11 @@ fn visit_attribute(&mut self, _: &ast::Attribute) {
 
     fn visit_macro_def(&mut self, macro_def: &'tcx MacroDef) {
         debug!("visit_macro_def: st={:?}", self.st);
-        if macro_def.export {
-            SawMacroDef.hash(self.st);
-            hash_attrs!(self, &macro_def.attrs);
-            visit::walk_macro_def(self, macro_def)
-            // FIXME(mw): We should hash the body of the macro too but we don't
-            //            have a stable way of doing so yet.
-        }
+        SawMacroDef.hash(self.st);
+        hash_attrs!(self, &macro_def.attrs);
+        visit::walk_macro_def(self, macro_def)
+        // FIXME(mw): We should hash the body of the macro too but we don't
+        //            have a stable way of doing so yet.
     }
 }
 

src/librustc_metadata/creader.rs

@@ -594,9 +594,6 @@ pub fn read_macros(&mut self, item: &ast::Item) -> Macros {
                 id: ast::DUMMY_NODE_ID,
                 span: local_span,
                 imported_from: Some(item.ident),
-                // overridden in plugin/load.rs
-                export: false,
-                use_locally: false,
                 allow_internal_unstable: attr::contains_name(&def.attrs, "allow_internal_unstable"),
                 attrs: def.attrs,
                 body: body,

src/librustc_resolve/macros.rs

@@ -114,22 +114,22 @@ fn visit_expansion(&mut self, mark: Mark, expansion: &Expansion) {
         invocation.expansion.set(visitor.legacy_scope);
     }
 
-    fn add_macro(&mut self, scope: Mark, mut def: ast::MacroDef) {
+    fn add_macro(&mut self, scope: Mark, mut def: ast::MacroDef, export: bool) {
         if &def.ident.name.as_str() == "macro_rules" {
             self.session.span_err(def.span, "user-defined macros may not be named `macro_rules`");
         }
-        if def.use_locally {
-            let invocation = self.invocations[&scope];
-            let binding = self.arenas.alloc_legacy_binding(LegacyBinding {
-                parent: invocation.legacy_scope.get(),
-                name: def.ident.name,
-                ext: Rc::new(macro_rules::compile(&self.session.parse_sess, &def)),
-                span: def.span,
-            });
-            invocation.legacy_scope.set(LegacyScope::Binding(binding));
-            self.macro_names.insert(def.ident.name);
-        }
-        if def.export {
+
+        let invocation = self.invocations[&scope];
+        let binding = self.arenas.alloc_legacy_binding(LegacyBinding {
+            parent: invocation.legacy_scope.get(),
+            name: def.ident.name,
+            ext: Rc::new(macro_rules::compile(&self.session.parse_sess, &def)),
+            span: def.span,
+        });
+        invocation.legacy_scope.set(LegacyScope::Binding(binding));
+        self.macro_names.insert(def.ident.name);
+
+        if export {
             def.id = self.next_node_id();
             self.exported_macros.push(def);
         }

src/libsyntax/ast.rs

@@ -2012,8 +2012,6 @@ pub struct MacroDef {
     pub id: NodeId,
     pub span: Span,
     pub imported_from: Option<Ident>,
-    pub export: bool,
-    pub use_locally: bool,
     pub allow_internal_unstable: bool,
     pub body: Vec<TokenTree>,
 }

src/libsyntax/ext/base.rs

@@ -519,7 +519,7 @@ pub trait Resolver {
     fn get_module_scope(&mut self, id: ast::NodeId) -> Mark;
 
     fn visit_expansion(&mut self, mark: Mark, expansion: &Expansion);
-    fn add_macro(&mut self, scope: Mark, def: ast::MacroDef);
+    fn add_macro(&mut self, scope: Mark, def: ast::MacroDef, export: bool);
     fn add_ext(&mut self, ident: ast::Ident, ext: Rc<SyntaxExtension>);
     fn add_expansions_at_stmt(&mut self, id: ast::NodeId, macros: Vec<Mark>);
 
@@ -541,7 +541,7 @@ fn next_node_id(&mut self) -> ast::NodeId { ast::DUMMY_NODE_ID }
     fn get_module_scope(&mut self, _id: ast::NodeId) -> Mark { Mark::root() }
 
     fn visit_expansion(&mut self, _invoc: Mark, _expansion: &Expansion) {}
-    fn add_macro(&mut self, _scope: Mark, _def: ast::MacroDef) {}
+    fn add_macro(&mut self, _scope: Mark, _def: ast::MacroDef, _export: bool) {}
     fn add_ext(&mut self, _ident: ast::Ident, _ext: Rc<SyntaxExtension>) {}
     fn add_expansions_at_stmt(&mut self, _id: ast::NodeId, _macros: Vec<Mark>) {}
 

src/libsyntax/ext/tt/macro_rules.rs

@@ -157,14 +157,13 @@ fn expand(&self,
               tts: Vec<tokenstream::TokenTree>,
               attrs: Vec<ast::Attribute>)
               -> Box<MacResult> {
+        let export = attr::contains_name(&attrs, "macro_export");
         let def = ast::MacroDef {
             ident: ident,
             id: ast::DUMMY_NODE_ID,
             span: span,
             imported_from: None,
-            use_locally: true,
             body: tts,
-            export: attr::contains_name(&attrs, "macro_export"),
             allow_internal_unstable: attr::contains_name(&attrs, "allow_internal_unstable"),
             attrs: attrs,
         };
@@ -176,7 +175,7 @@ fn expand(&self,
             MacEager::items(placeholders::macro_scope_placeholder().make_items())
         };
 
-        cx.resolver.add_macro(cx.current_expansion.mark, def);
+        cx.resolver.add_macro(cx.current_expansion.mark, def, export);
         result
     }
 }