[breaking-change] don't glob export ast::MetaItem_

src/librustc/lint/context.rs

@@ -374,7 +374,7 @@ pub fn gather_attr(attr: &ast::Attribute)
 
     let meta = &attr.node.value;
     let metas = match meta.node {
-        ast::MetaList(_, ref metas) => metas,
+        ast::MetaItemKind::List(_, ref metas) => metas,
         _ => {
             out.push(Err(meta.span));
             return out;
@@ -383,7 +383,7 @@ pub fn gather_attr(attr: &ast::Attribute)
 
     for meta in metas {
         out.push(match meta.node {
-            ast::MetaWord(ref lint_name) => Ok((lint_name.clone(), level, meta.span)),
+            ast::MetaItemKind::Word(ref lint_name) => Ok((lint_name.clone(), level, meta.span)),
             _ => Err(meta.span),
         });
     }

src/librustc_driver/lib.rs

@@ -560,18 +560,18 @@ impl RustcDefaultCalls {
                 PrintRequest::Cfg => {
                     for cfg in config::build_configuration(sess) {
                         match cfg.node {
-                            ast::MetaWord(ref word) => println!("{}", word),
+                            ast::MetaItemKind::Word(ref word) => println!("{}", word),
-                            ast::MetaNameValue(ref name, ref value) => {
+                            ast::MetaItemKind::NameValue(ref name, ref value) => {
                                 println!("{}=\"{}\"", name, match value.node {
                                     ast::LitKind::Str(ref s, _) => s,
                                     _ => continue,
                                 });
                             }
                             // Right now there are not and should not be any
-                            // MetaList items in the configuration returned by
+                            // MetaItemKind::List items in the configuration returned by
                             // `build_configuration`.
-                            ast::MetaList(..) => {
+                            ast::MetaItemKind::List(..) => {
-                                panic!("MetaList encountered in default cfg")
+                                panic!("MetaItemKind::List encountered in default cfg")
                             }
                         }
                     }

src/librustc_front/fold.rs

@@ -13,7 +13,7 @@
 
 use hir::*;
 use syntax::ast::{Name, NodeId, DUMMY_NODE_ID, Attribute, Attribute_, MetaItem};
-use syntax::ast::{MetaWord, MetaList, MetaNameValue};
+use syntax::ast::MetaItemKind;
 use syntax::attr::ThinAttributesExt;
 use hir;
 use syntax::codemap::{respan, Span, Spanned};
@@ -522,11 +522,11 @@ pub fn noop_fold_meta_item<T: Folder>(mi: P<MetaItem>, fld: &mut T) -> P<MetaIte
     mi.map(|Spanned { node, span }| {
         Spanned {
             node: match node {
-                MetaWord(id) => MetaWord(id),
+                MetaItemKind::Word(id) => MetaItemKind::Word(id),
-                MetaList(id, mis) => {
+                MetaItemKind::List(id, mis) => {
-                    MetaList(id, mis.move_map(|e| fld.fold_meta_item(e)))
+                    MetaItemKind::List(id, mis.move_map(|e| fld.fold_meta_item(e)))
                 }
-                MetaNameValue(id, s) => MetaNameValue(id, s),
+                MetaItemKind::NameValue(id, s) => MetaItemKind::NameValue(id, s),
             },
             span: fld.new_span(span),
         }

src/librustc_lint/builtin.rs

@@ -308,7 +308,7 @@ impl MissingDoc {
 
         let has_doc = attrs.iter().any(|a| {
             match a.node.value.node {
-                ast::MetaNameValue(ref name, _) if *name == "doc" => true,
+                ast::MetaItemKind::NameValue(ref name, _) if *name == "doc" => true,
                 _ => false
             }
         });

src/librustc_metadata/decoder.rs

@@ -1170,7 +1170,7 @@ fn get_meta_items(md: rbml::Doc) -> Vec<P<ast::MetaItem>> {
         let vd = reader::get_doc(meta_item_doc, tag_meta_item_value);
         let n = token::intern_and_get_ident(nd.as_str_slice());
         let v = token::intern_and_get_ident(vd.as_str_slice());
-        // FIXME (#623): Should be able to decode MetaNameValue variants,
+        // FIXME (#623): Should be able to decode MetaItemKind::NameValue variants,
         // but currently the encoder just drops them
         attr::mk_name_value_item_str(n, v)
     })).chain(reader::tagged_docs(md, tag_meta_item_list).map(|meta_item_doc| {

src/librustc_metadata/encoder.rs

@@ -1541,12 +1541,12 @@ fn encode_item_index(rbml_w: &mut Encoder, index: IndexData) {
 
 fn encode_meta_item(rbml_w: &mut Encoder, mi: &ast::MetaItem) {
     match mi.node {
-      ast::MetaWord(ref name) => {
+      ast::MetaItemKind::Word(ref name) => {
         rbml_w.start_tag(tag_meta_item_word);
         rbml_w.wr_tagged_str(tag_meta_item_name, name);
         rbml_w.end_tag();
       }
-      ast::MetaNameValue(ref name, ref value) => {
+      ast::MetaItemKind::NameValue(ref name, ref value) => {
         match value.node {
           ast::LitKind::Str(ref value, _) => {
             rbml_w.start_tag(tag_meta_item_name_value);
@@ -1557,7 +1557,7 @@ fn encode_meta_item(rbml_w: &mut Encoder, mi: &ast::MetaItem) {
           _ => {/* FIXME (#623): encode other variants */ }
         }
       }
-      ast::MetaList(ref name, ref items) => {
+      ast::MetaItemKind::List(ref name, ref items) => {
         rbml_w.start_tag(tag_meta_item_list);
         rbml_w.wr_tagged_str(tag_meta_item_name, name);
         for inner_item in items {

src/librustc_metadata/macro_import.rs

@@ -95,7 +95,7 @@ impl<'a, 'v> Visitor<'v> for MacroLoader<'a> {
                     }
                     if let (Some(sel), Some(names)) = (import.as_mut(), names) {
                         for attr in names {
-                            if let ast::MetaWord(ref name) = attr.node {
+                            if let ast::MetaItemKind::Word(ref name) = attr.node {
                                 sel.insert(name.clone(), attr.span);
                             } else {
                                 span_err!(self.sess, attr.span, E0466, "bad macro import");
@@ -113,7 +113,7 @@ impl<'a, 'v> Visitor<'v> for MacroLoader<'a> {
                     };
 
                     for attr in names {
-                        if let ast::MetaWord(ref name) = attr.node {
+                        if let ast::MetaItemKind::Word(ref name) = attr.node {
                             reexport.insert(name.clone(), attr.span);
                         } else {
                             call_bad_macro_reexport(self.sess, attr.span);

src/librustc_trans/trans/assert_dep_graph.rs

@@ -96,7 +96,7 @@ impl<'a, 'tcx> IfThisChanged<'a, 'tcx> {
                 let mut id = None;
                 for meta_item in attr.meta_item_list().unwrap_or_default() {
                     match meta_item.node {
-                        ast::MetaWord(ref s) if id.is_none() => id = Some(s.clone()),
+                        ast::MetaItemKind::Word(ref s) if id.is_none() => id = Some(s.clone()),
                         _ => {
                             self.tcx.sess.span_err(
                                 meta_item.span,
@@ -113,9 +113,9 @@ impl<'a, 'tcx> IfThisChanged<'a, 'tcx> {
                 let mut id = None;
                 for meta_item in attr.meta_item_list().unwrap_or_default() {
                     match meta_item.node {
-                        ast::MetaWord(ref s) if dep_node_interned.is_none() =>
+                        ast::MetaItemKind::Word(ref s) if dep_node_interned.is_none() =>
                             dep_node_interned = Some(s.clone()),
-                        ast::MetaWord(ref s) if id.is_none() =>
+                        ast::MetaItemKind::Word(ref s) if id.is_none() =>
                             id = Some(s.clone()),
                         _ => {
                             self.tcx.sess.span_err(

src/librustc_trans/trans/debuginfo/utils.rs

@@ -48,7 +48,7 @@ pub fn contains_nodebug_attribute(attributes: &[ast::Attribute]) -> bool {
     attributes.iter().any(|attr| {
         let meta_item: &ast::MetaItem = &*attr.node.value;
         match meta_item.node {
-            ast::MetaWord(ref value) => &value[..] == "no_debug",
+            ast::MetaItemKind::Word(ref value) => &value[..] == "no_debug",
             _ => false
         }
     })

src/librustdoc/clean/mod.rs

@@ -451,11 +451,11 @@ pub enum Attribute {
 impl Clean<Attribute> for ast::MetaItem {
     fn clean(&self, cx: &DocContext) -> Attribute {
         match self.node {
-            ast::MetaWord(ref s) => Word(s.to_string()),
+            ast::MetaItemKind::Word(ref s) => Word(s.to_string()),
-            ast::MetaList(ref s, ref l) => {
+            ast::MetaItemKind::List(ref s, ref l) => {
                 List(s.to_string(), l.clean(cx))
             }
-            ast::MetaNameValue(ref s, ref v) => {
+            ast::MetaItemKind::NameValue(ref s, ref v) => {
                 NameValue(s.to_string(), lit_to_string(v))
             }
         }

src/libsyntax/ast.rs

@@ -10,7 +10,6 @@
 
 // The Rust abstract syntax tree.
 
-pub use self::MetaItem_::*;
 pub use self::Mutability::*;
 pub use self::Pat_::*;
 pub use self::PathListItem_::*;
@@ -476,31 +475,32 @@ pub struct Crate {
     pub exported_macros: Vec<MacroDef>,
 }
 
-pub type MetaItem = Spanned<MetaItem_>;
+pub type MetaItem = Spanned<MetaItemKind>;
 
 #[derive(Clone, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
-pub enum MetaItem_ {
+pub enum MetaItemKind {
-    MetaWord(InternedString),
+    Word(InternedString),
-    MetaList(InternedString, Vec<P<MetaItem>>),
+    List(InternedString, Vec<P<MetaItem>>),
-    MetaNameValue(InternedString, Lit),
+    NameValue(InternedString, Lit),
 }
 
-// can't be derived because the MetaList requires an unordered comparison
+// can't be derived because the MetaItemKind::List requires an unordered comparison
-impl PartialEq for MetaItem_ {
+impl PartialEq for MetaItemKind {
-    fn eq(&self, other: &MetaItem_) -> bool {
+    fn eq(&self, other: &MetaItemKind) -> bool {
+        use self::MetaItemKind::*;
         match *self {
-            MetaWord(ref ns) => match *other {
+            Word(ref ns) => match *other {
-                MetaWord(ref no) => (*ns) == (*no),
+                Word(ref no) => (*ns) == (*no),
                 _ => false
             },
-            MetaNameValue(ref ns, ref vs) => match *other {
+            NameValue(ref ns, ref vs) => match *other {
-                MetaNameValue(ref no, ref vo) => {
+                NameValue(ref no, ref vo) => {
                     (*ns) == (*no) && vs.node == vo.node
                 }
                 _ => false
             },
-            MetaList(ref ns, ref miss) => match *other {
+            List(ref ns, ref miss) => match *other {
-                MetaList(ref no, ref miso) => {
+                List(ref no, ref miso) => {
                     ns == no &&
                         miss.iter().all(|mi| miso.iter().any(|x| x.node == mi.node))
                 }

src/libsyntax/attr.rs

@@ -15,7 +15,7 @@ pub use self::ReprAttr::*;
 pub use self::IntType::*;
 
 use ast;
-use ast::{AttrId, Attribute, Attribute_, MetaItem, MetaWord, MetaNameValue, MetaList};
+use ast::{AttrId, Attribute, Attribute_, MetaItem, MetaItemKind};
 use ast::{Stmt, StmtKind, DeclKind};
 use ast::{Expr, Item, Local, Decl};
 use codemap::{Span, Spanned, spanned, dummy_spanned};
@@ -66,7 +66,7 @@ pub trait AttrMetaMethods {
     /// `#[foo="bar"]` and `#[foo(bar)]`
     fn name(&self) -> InternedString;
 
-    /// Gets the string value if self is a MetaNameValue variant
+    /// Gets the string value if self is a MetaItemKind::NameValue variant
     /// containing a string, otherwise None.
     fn value_str(&self) -> Option<InternedString>;
     /// Gets a list of inner meta items from a list MetaItem type.
@@ -96,15 +96,15 @@ impl AttrMetaMethods for Attribute {
 impl AttrMetaMethods for MetaItem {
     fn name(&self) -> InternedString {
         match self.node {
-            MetaWord(ref n) => (*n).clone(),
+            MetaItemKind::Word(ref n) => (*n).clone(),
-            MetaNameValue(ref n, _) => (*n).clone(),
+            MetaItemKind::NameValue(ref n, _) => (*n).clone(),
-            MetaList(ref n, _) => (*n).clone(),
+            MetaItemKind::List(ref n, _) => (*n).clone(),
         }
     }
 
     fn value_str(&self) -> Option<InternedString> {
         match self.node {
-            MetaNameValue(_, ref v) => {
+            MetaItemKind::NameValue(_, ref v) => {
                 match v.node {
                     ast::LitKind::Str(ref s, _) => Some((*s).clone()),
                     _ => None,
@@ -116,7 +116,7 @@ impl AttrMetaMethods for MetaItem {
 
     fn meta_item_list(&self) -> Option<&[P<MetaItem>]> {
         match self.node {
-            MetaList(_, ref l) => Some(&l[..]),
+            MetaItemKind::List(_, ref l) => Some(&l[..]),
             _ => None
         }
     }
@@ -179,15 +179,15 @@ pub fn mk_name_value_item_str(name: InternedString, value: InternedString)
 
 pub fn mk_name_value_item(name: InternedString, value: ast::Lit)
                           -> P<MetaItem> {
-    P(dummy_spanned(MetaNameValue(name, value)))
+    P(dummy_spanned(MetaItemKind::NameValue(name, value)))
 }
 
 pub fn mk_list_item(name: InternedString, items: Vec<P<MetaItem>>) -> P<MetaItem> {
-    P(dummy_spanned(MetaList(name, items)))
+    P(dummy_spanned(MetaItemKind::List(name, items)))
 }
 
 pub fn mk_word_item(name: InternedString) -> P<MetaItem> {
-    P(dummy_spanned(MetaWord(name)))
+    P(dummy_spanned(MetaItemKind::Word(name)))
 }
 
 thread_local! { static NEXT_ATTR_ID: Cell<usize> = Cell::new(0) }
@@ -229,8 +229,7 @@ pub fn mk_sugared_doc_attr(id: AttrId, text: InternedString, lo: BytePos,
     let attr = Attribute_ {
         id: id,
         style: style,
-        value: P(spanned(lo, hi, MetaNameValue(InternedString::new("doc"),
+        value: P(spanned(lo, hi, MetaItemKind::NameValue(InternedString::new("doc"), lit))),
-                                               lit))),
         is_sugared_doc: true
     };
     spanned(lo, hi, attr)
@@ -286,7 +285,7 @@ pub fn sort_meta_items(items: Vec<P<MetaItem>>) -> Vec<P<MetaItem>> {
     v.into_iter().map(|(_, m)| m.map(|Spanned {node, span}| {
         Spanned {
             node: match node {
-                MetaList(n, mis) => MetaList(n, sort_meta_items(mis)),
+                MetaItemKind::List(n, mis) => MetaItemKind::List(n, sort_meta_items(mis)),
                 _ => node
             },
             span: span
@@ -329,11 +328,11 @@ pub enum InlineAttr {
 pub fn find_inline_attr(diagnostic: Option<&Handler>, attrs: &[Attribute]) -> InlineAttr {
     attrs.iter().fold(InlineAttr::None, |ia,attr| {
         match attr.node.value.node {
-            MetaWord(ref n) if *n == "inline" => {
+            MetaItemKind::Word(ref n) if *n == "inline" => {
                 mark_used(attr);
                 InlineAttr::Hint
             }
-            MetaList(ref n, ref items) if *n == "inline" => {
+            MetaItemKind::List(ref n, ref items) if *n == "inline" => {
                 mark_used(attr);
                 if items.len() != 1 {
                     diagnostic.map(|d|{ d.span_err(attr.span, "expected one argument"); });
@@ -365,11 +364,11 @@ pub fn cfg_matches<T: CfgDiag>(cfgs: &[P<MetaItem>],
                            cfg: &ast::MetaItem,
                            diag: &mut T) -> bool {
     match cfg.node {
-        ast::MetaList(ref pred, ref mis) if &pred[..] == "any" =>
+        ast::MetaItemKind::List(ref pred, ref mis) if &pred[..] == "any" =>
             mis.iter().any(|mi| cfg_matches(cfgs, &**mi, diag)),
-        ast::MetaList(ref pred, ref mis) if &pred[..] == "all" =>
+        ast::MetaItemKind::List(ref pred, ref mis) if &pred[..] == "all" =>
             mis.iter().all(|mi| cfg_matches(cfgs, &**mi, diag)),
-        ast::MetaList(ref pred, ref mis) if &pred[..] == "not" => {
+        ast::MetaItemKind::List(ref pred, ref mis) if &pred[..] == "not" => {
             if mis.len() != 1 {
                 diag.emit_error(|diagnostic| {
                     diagnostic.span_err(cfg.span, "expected 1 cfg-pattern");
@@ -378,14 +377,14 @@ pub fn cfg_matches<T: CfgDiag>(cfgs: &[P<MetaItem>],
             }
             !cfg_matches(cfgs, &*mis[0], diag)
         }
-        ast::MetaList(ref pred, _) => {
+        ast::MetaItemKind::List(ref pred, _) => {
             diag.emit_error(|diagnostic| {
                 diagnostic.span_err(cfg.span,
                     &format!("invalid predicate `{}`", pred));
             });
             false
         },
-        ast::MetaWord(_) | ast::MetaNameValue(..) => {
+        ast::MetaItemKind::Word(_) | ast::MetaItemKind::NameValue(..) => {
             diag.flag_gated(|feature_gated_cfgs| {
                 feature_gated_cfgs.extend(
                     GatedCfg::gate(cfg).map(GatedCfgAttr::GatedCfg));
@@ -707,11 +706,11 @@ pub fn require_unique_names(diagnostic: &Handler, metas: &[P<MetaItem>]) {
 pub fn find_repr_attrs(diagnostic: &Handler, attr: &Attribute) -> Vec<ReprAttr> {
     let mut acc = Vec::new();
     match attr.node.value.node {
-        ast::MetaList(ref s, ref items) if *s == "repr" => {
+        ast::MetaItemKind::List(ref s, ref items) if *s == "repr" => {
             mark_used(attr);
             for item in items {
                 match item.node {
-                    ast::MetaWord(ref word) => {
+                    ast::MetaItemKind::Word(ref word) => {
                         let hint = match &word[..] {
                             // Can't use "extern" because it's not a lexical identifier.
                             "C" => Some(ReprExtern),

src/libsyntax/config.rs

@@ -270,7 +270,7 @@ fn in_cfg<T: CfgDiag>(cfg: &[P<ast::MetaItem>],
                       diag: &mut T) -> bool {
     attrs.iter().all(|attr| {
         let mis = match attr.node.value.node {
-            ast::MetaList(_, ref mis) if is_cfg(&attr) => mis,
+            ast::MetaItemKind::List(_, ref mis) if is_cfg(&attr) => mis,
             _ => return true
         };
 

src/libsyntax/ext/build.rs

@@ -1102,21 +1102,21 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
     }
 
     fn meta_word(&self, sp: Span, w: InternedString) -> P<ast::MetaItem> {
-        P(respan(sp, ast::MetaWord(w)))
+        P(respan(sp, ast::MetaItemKind::Word(w)))
     }
     fn meta_list(&self,
                  sp: Span,
                  name: InternedString,
                  mis: Vec<P<ast::MetaItem>> )
                  -> P<ast::MetaItem> {
-        P(respan(sp, ast::MetaList(name, mis)))
+        P(respan(sp, ast::MetaItemKind::List(name, mis)))
     }
     fn meta_name_value(&self,
                        sp: Span,
                        name: InternedString,
                        value: ast::LitKind)
                        -> P<ast::MetaItem> {
-        P(respan(sp, ast::MetaNameValue(name, respan(sp, value))))
+        P(respan(sp, ast::MetaItemKind::NameValue(name, respan(sp, value))))
     }
 
     fn item_use(&self, sp: Span,

src/libsyntax/ext/expand.rs

@@ -348,7 +348,7 @@ fn contains_macro_use(fld: &mut MacroExpander, attrs: &[ast::Attribute]) -> bool
 
         if is_use {
             match attr.node.value.node {
-                ast::MetaWord(..) => (),
+                ast::MetaItemKind::Word(..) => (),
                 _ => fld.cx.span_err(attr.span, "arguments to macro_use are not allowed here"),
             }
             return true;

src/libsyntax/feature_gate.rs

@@ -1138,7 +1138,7 @@ fn check_crate_inner<F>(cm: &CodeMap, span_handler: &Handler,
             Some(list) => {
                 for mi in list {
                     let name = match mi.node {
-                        ast::MetaWord(ref word) => (*word).clone(),
+                        ast::MetaItemKind::Word(ref word) => (*word).clone(),
                         _ => {
                             span_handler.span_err(mi.span,
                                                   "malformed feature, expected just \

src/libsyntax/fold.rs

@@ -556,11 +556,11 @@ pub fn noop_fold_mac<T: Folder>(Spanned {node, span}: Mac, fld: &mut T) -> Mac {
 pub fn noop_fold_meta_item<T: Folder>(mi: P<MetaItem>, fld: &mut T) -> P<MetaItem> {
     mi.map(|Spanned {node, span}| Spanned {
         node: match node {
-            MetaWord(id) => MetaWord(id),
+            MetaItemKind::Word(id) => MetaItemKind::Word(id),
-            MetaList(id, mis) => {
+            MetaItemKind::List(id, mis) => {
-                MetaList(id, mis.move_map(|e| fld.fold_meta_item(e)))
+                MetaItemKind::List(id, mis.move_map(|e| fld.fold_meta_item(e)))
             }
-            MetaNameValue(id, s) => MetaNameValue(id, s)
+            MetaItemKind::NameValue(id, s) => MetaItemKind::NameValue(id, s)
         },
         span: fld.new_span(span)
     })

src/libsyntax/parse/attr.rs

@@ -182,16 +182,16 @@ impl<'a> Parser<'a> {
                     }
                 }
                 let hi = self.span.hi;
-                Ok(P(spanned(lo, hi, ast::MetaNameValue(name, lit))))
+                Ok(P(spanned(lo, hi, ast::MetaItemKind::NameValue(name, lit))))
             }
             token::OpenDelim(token::Paren) => {
                 let inner_items = try!(self.parse_meta_seq());
                 let hi = self.span.hi;
-                Ok(P(spanned(lo, hi, ast::MetaList(name, inner_items))))
+                Ok(P(spanned(lo, hi, ast::MetaItemKind::List(name, inner_items))))
             }
             _ => {
                 let hi = self.last_span.hi;
-                Ok(P(spanned(lo, hi, ast::MetaWord(name))))
+                Ok(P(spanned(lo, hi, ast::MetaItemKind::Word(name))))
             }
         }
     }

src/libsyntax/print/pprust.rs

@@ -766,15 +766,15 @@ pub trait PrintState<'a> {
     fn print_meta_item(&mut self, item: &ast::MetaItem) -> io::Result<()> {
         try!(self.ibox(INDENT_UNIT));
         match item.node {
-            ast::MetaWord(ref name) => {
+            ast::MetaItemKind::Word(ref name) => {
                 try!(word(self.writer(), &name));
             }
-            ast::MetaNameValue(ref name, ref value) => {
+            ast::MetaItemKind::NameValue(ref name, ref value) => {
                 try!(self.word_space(&name[..]));
                 try!(self.word_space("="));
                 try!(self.print_literal(value));
             }
-            ast::MetaList(ref name, ref items) => {
+            ast::MetaItemKind::List(ref name, ref items) => {
                 try!(word(self.writer(), &name));
                 try!(self.popen());
                 try!(self.commasep(Consistent,

src/libsyntax/std_inject.rs

@@ -157,7 +157,7 @@ impl fold::Folder for PreludeInjector {
                     style: ast::AttrStyle::Outer,
                     value: P(ast::MetaItem {
                         span: self.span,
-                        node: ast::MetaWord(special_idents::prelude_import.name.as_str()),
+                        node: ast::MetaItemKind::Word(special_idents::prelude_import.name.as_str()),
                     }),
                     is_sugared_doc: false,
                 },

src/libsyntax_ext/deriving/mod.rs

@@ -13,7 +13,7 @@
 //! FIXME (#2810): hygiene. Search for "__" strings (in other files too). We also assume "extra" is
 //! the standard library, and "std" is the core library.
 
-use syntax::ast::{MetaItem, MetaWord};
+use syntax::ast::{MetaItem, MetaItemKind};
 use syntax::attr::AttrMetaMethods;
 use syntax::ext::base::{ExtCtxt, SyntaxEnv, Annotatable};
 use syntax::ext::base::{MultiDecorator, MultiItemDecorator, MultiModifier};
@@ -94,7 +94,7 @@ fn expand_derive(cx: &mut ExtCtxt,
 
             for titem in traits.iter().rev() {
                 let tname = match titem.node {
-                    MetaWord(ref tname) => tname,
+                    MetaItemKind::Word(ref tname) => tname,
                     _ => {
                         cx.span_err(titem.span, "malformed `derive` entry");
                         continue;

src/test/auxiliary/macro_crate_test.rs

@@ -101,8 +101,8 @@ fn expand_duplicate(cx: &mut ExtCtxt,
                     push: &mut FnMut(Annotatable))
 {
     let copy_name = match mi.node {
-        ast::MetaItem_::MetaList(_, ref xs) => {
+        ast::MetaItemKind::List(_, ref xs) => {
-            if let ast::MetaItem_::MetaWord(ref w) = xs[0].node {
+            if let ast::MetaItemKind::Word(ref w) = xs[0].node {
                 token::str_to_ident(&w)
             } else {
                 cx.span_err(mi.span, "Expected word");