change syntax of newtype_index to look like a struct decl

Author: nikomatsakis

src/librustc/dep_graph/graph.rs

@@ -39,7 +39,9 @@ pub struct DepGraph {
     fingerprints: Lrc<Lock<IndexVec<DepNodeIndex, Fingerprint>>>
 }
 
-newtype_index!(DepNodeIndex);
+newtype_index! {
+    pub struct DepNodeIndex { .. }
+}
 
 impl DepNodeIndex {
     const INVALID: DepNodeIndex = DepNodeIndex(::std::u32::MAX);

src/librustc/dep_graph/serialized.rs

@@ -14,7 +14,9 @@ use dep_graph::DepNode;
 use ich::Fingerprint;
 use rustc_data_structures::indexed_vec::{IndexVec, Idx};
 
-newtype_index!(SerializedDepNodeIndex);
+newtype_index! {
+    pub struct SerializedDepNodeIndex { .. }
+}
 
 /// Data for use when recompiling the **current crate**.
 #[derive(Debug, RustcEncodable, RustcDecodable)]

src/librustc/hir/def_id.rs

@@ -15,8 +15,8 @@ use serialize;
 use std::fmt;
 use std::u32;
 
-newtype_index!(CrateNum
-    {
+newtype_index! {
+    pub struct CrateNum {
         ENCODABLE = custom
         DEBUG_FORMAT = "crate{}",
 
@@ -35,7 +35,8 @@ newtype_index!(CrateNum
         /// A special CrateNum that we use for the tcx.rcache when decoding from
         /// the incr. comp. cache.
         const RESERVED_FOR_INCR_COMP_CACHE = u32::MAX - 2,
-    });
+    }
+}
 
 impl CrateNum {
     pub fn new(x: usize) -> CrateNum {

src/librustc/middle/region.rs

@@ -159,11 +159,12 @@ pub struct BlockRemainder {
     pub first_statement_index: FirstStatementIndex,
 }
 
-newtype_index!(FirstStatementIndex
-    {
+newtype_index! {
+    pub struct FirstStatementIndex {
         pub idx
         MAX = SCOPE_DATA_REMAINDER_MAX
-    });
+    }
+}
 
 impl From<ScopeData> for Scope {
     #[inline]

src/librustc/mir/mod.rs

@@ -523,11 +523,12 @@ impl BorrowKind {
 ///////////////////////////////////////////////////////////////////////////
 // Variables and temps
 
-newtype_index!(Local
-    {
+newtype_index! {
+    pub struct Local {
         DEBUG_FORMAT = "_{}",
         const RETURN_PLACE = 0,
-    });
+    }
+}
 
 /// Classifies locals into categories. See `Mir::local_kind`.
 #[derive(PartialEq, Eq, Debug)]
@@ -852,7 +853,11 @@ pub struct UpvarDecl {
 ///////////////////////////////////////////////////////////////////////////
 // BasicBlock
 
-newtype_index!(BasicBlock { DEBUG_FORMAT = "bb{}" });
+newtype_index! {
+    pub struct BasicBlock {
+        DEBUG_FORMAT = "bb{}"
+    }
+}
 
 impl BasicBlock {
     pub fn start_location(self) -> Location {
@@ -1822,7 +1827,11 @@ pub type PlaceProjection<'tcx> = Projection<'tcx, Place<'tcx>, Local, Ty<'tcx>>;
 /// and the index is a local.
 pub type PlaceElem<'tcx> = ProjectionElem<'tcx, Local, Ty<'tcx>>;
 
-newtype_index!(Field { DEBUG_FORMAT = "field[{}]" });
+newtype_index! {
+    pub struct Field {
+        DEBUG_FORMAT = "field[{}]"
+    }
+}
 
 impl<'tcx> Place<'tcx> {
     pub fn field(self, f: Field, ty: Ty<'tcx>) -> Place<'tcx> {
@@ -1895,11 +1904,12 @@ impl<'tcx> Debug for Place<'tcx> {
 ///////////////////////////////////////////////////////////////////////////
 // Scopes
 
-newtype_index!(SourceScope
-    {
+newtype_index! {
+    pub struct SourceScope {
         DEBUG_FORMAT = "scope[{}]",
         const OUTERMOST_SOURCE_SCOPE = 0,
-    });
+    }
+}
 
 #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
 pub struct SourceScopeData {
@@ -2271,7 +2281,11 @@ pub struct Constant<'tcx> {
     pub literal: &'tcx ty::Const<'tcx>,
 }
 
-newtype_index!(Promoted { DEBUG_FORMAT = "promoted[{}]" });
+newtype_index! {
+    pub struct Promoted {
+        DEBUG_FORMAT = "promoted[{}]"
+    }
+}
 
 impl<'tcx> Debug for Constant<'tcx> {
     fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {

src/librustc/ty/sty.rs

@@ -1034,11 +1034,12 @@ impl<'a, 'gcx, 'tcx> ParamTy {
 /// is the outer fn.
 ///
 /// [dbi]: http://en.wikipedia.org/wiki/De_Bruijn_index
-newtype_index!(DebruijnIndex
-    {
+newtype_index! {
+    pub struct DebruijnIndex {
         DEBUG_FORMAT = "DebruijnIndex({})",
         const INNERMOST = 0,
-    });
+    }
+}
 
 pub type Region<'tcx> = &'tcx RegionKind;
 
@@ -1176,11 +1177,12 @@ pub struct FloatVid {
     pub index: u32,
 }
 
-newtype_index!(RegionVid
-    {
+newtype_index! {
+    pub struct RegionVid {
         pub idx
         DEBUG_FORMAT = custom,
-    });
+    }
+}
 
 impl Atom for RegionVid {
     fn index(self) -> usize {
@@ -1217,7 +1219,9 @@ pub enum InferTy {
     CanonicalTy(CanonicalVar),
 }
 
-newtype_index!(CanonicalVar);
+newtype_index! {
+    pub struct CanonicalVar { .. }
+}
 
 /// A `ProjectionPredicate` for an `ExistentialTraitRef`.
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, RustcEncodable, RustcDecodable)]