Remove `MacroDef`'s fields `imported_from` and `allow_internal_unstable`,

remove `export` argument of `resolver.add_macro()`.

4 files changed, 4 insertions, 10 deletions

diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 2369cc5714e..39d78cd8776 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -1972,8 +1972,6 @@ pub struct MacroDef {
     pub attrs: Vec<Attribute>,
     pub id: NodeId,
     pub span: Span,
-    pub imported_from: Option<Ident>,
-    pub allow_internal_unstable: bool,
     pub body: Vec<TokenTree>,
 }
 
diff --git a/src/libsyntax/ext/base.rs b/src/libsyntax/ext/base.rs
index ddbca47429d..508c5eaed8c 100644
--- a/src/libsyntax/ext/base.rs
+++ b/src/libsyntax/ext/base.rs
@@ -520,7 +520,7 @@ pub trait Resolver {
     fn eliminate_crate_var(&mut self, item: P<ast::Item>) -> P<ast::Item>;
 
     fn visit_expansion(&mut self, mark: Mark, expansion: &Expansion);
-    fn add_macro(&mut self, scope: Mark, def: ast::MacroDef, export: bool);
+    fn add_macro(&mut self, scope: Mark, def: ast::MacroDef);
     fn add_ext(&mut self, ident: ast::Ident, ext: Rc<SyntaxExtension>);
     fn add_expansions_at_stmt(&mut self, id: ast::NodeId, macros: Vec<Mark>);
 
@@ -544,7 +544,7 @@ impl Resolver for DummyResolver {
     fn eliminate_crate_var(&mut self, item: P<ast::Item>) -> P<ast::Item> { item }
 
     fn visit_expansion(&mut self, _invoc: Mark, _expansion: &Expansion) {}
-    fn add_macro(&mut self, _scope: Mark, _def: ast::MacroDef, _export: bool) {}
+    fn add_macro(&mut self, _scope: Mark, _def: ast::MacroDef) {}
     fn add_ext(&mut self, _ident: ast::Ident, _ext: Rc<SyntaxExtension>) {}
     fn add_expansions_at_stmt(&mut self, _id: ast::NodeId, _macros: Vec<Mark>) {}
 
diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs
index ca18e580ecd..5a028594a21 100644
--- a/src/libsyntax/ext/tt/macro_rules.rs
+++ b/src/libsyntax/ext/tt/macro_rules.rs
@@ -160,14 +160,11 @@ impl IdentMacroExpander for MacroRulesExpander {
               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,
             body: tts,
-            allow_internal_unstable: attr::contains_name(&attrs, "allow_internal_unstable"),
             attrs: attrs,
         };
 
@@ -178,7 +175,7 @@ impl IdentMacroExpander for MacroRulesExpander {
             MacEager::items(placeholders::macro_scope_placeholder().make_items())
         };
 
-        cx.resolver.add_macro(cx.current_expansion.mark, def, export);
+        cx.resolver.add_macro(cx.current_expansion.mark, def);
         result
     }
 }
@@ -282,7 +279,7 @@ pub fn compile(sess: &ParseSess, def: &ast::MacroDef) -> SyntaxExtension {
         valid: valid,
     });
 
-    NormalTT(exp, Some(def.span), def.allow_internal_unstable)
+    NormalTT(exp, Some(def.span), attr::contains_name(&def.attrs, "allow_internal_unstable"))
 }
 
 fn check_lhs_nt_follows(sess: &ParseSess, lhs: &TokenTree) -> bool {
diff --git a/src/libsyntax/visit.rs b/src/libsyntax/visit.rs
index 3e0353d532d..c1391d0b1c2 100644
--- a/src/libsyntax/visit.rs
+++ b/src/libsyntax/visit.rs
@@ -178,7 +178,6 @@ pub fn walk_crate<'a, V: Visitor<'a>>(visitor: &mut V, krate: &'a Crate) {
 
 pub fn walk_macro_def<'a, V: Visitor<'a>>(visitor: &mut V, macro_def: &'a MacroDef) {
     visitor.visit_ident(macro_def.span, macro_def.ident);
-    walk_opt_ident(visitor, macro_def.span, macro_def.imported_from);
     walk_list!(visitor, visit_attribute, &macro_def.attrs);
 }