librustc: Stop parsing [T * N].

Author: pcwalton

src/librustc/middle/lang_items.rs

@@ -78,7 +78,7 @@ pub enum LangItem {
 }
 
 pub struct LanguageItems {
-    items: [ Option<def_id> * 35 ]
+    items: [Option<def_id>, ..35]
 }
 
 pub impl LanguageItems {

src/libsyntax/parse/obsolete.rs

@@ -61,6 +61,7 @@ pub enum ObsoleteSyntax {
     ObsoletePurity,
     ObsoleteStaticMethod,
     ObsoleteConstItem,
+    ObsoleteFixedLengthVectorType,
 }
 
 impl to_bytes::IterBytes for ObsoleteSyntax {
@@ -209,6 +210,10 @@ pub impl Parser {
                 "`const` items are now `static` items; replace `const` with \
                  `static`"
             ),
+            ObsoleteFixedLengthVectorType => (
+                "fixed-length vector notation",
+                "instead of `[T * N]`, write `[T, ..N]`"
+            ),
         };
 
         self.report(sp, kind, kind_str, desc);

src/libsyntax/parse/parser.rs

@@ -81,7 +81,7 @@ use parse::obsolete::{ObsoleteBareFnType, ObsoleteNewtypeEnum};
 use parse::obsolete::{ObsoleteMode, ObsoleteImplicitSelf};
 use parse::obsolete::{ObsoleteLifetimeNotation, ObsoleteConstManagedPointer};
 use parse::obsolete::{ObsoletePurity, ObsoleteStaticMethod};
-use parse::obsolete::{ObsoleteConstItem};
+use parse::obsolete::{ObsoleteConstItem, ObsoleteFixedLengthVectorType};
 use parse::prec::{as_prec, token_to_binop};
 use parse::token::{can_begin_expr, is_ident, is_ident_or_path};
 use parse::token::{is_plain_ident, INTERPOLATED, special_idents};
@@ -825,7 +825,7 @@ pub impl Parser {
 
     fn maybe_parse_fixed_vstore(&self) -> Option<@ast::expr> {
         if self.eat(&token::BINOP(token::STAR)) {
-            // XXX: Obsolete; remove after snapshot.
+            self.obsolete(*self.last_span, ObsoleteFixedLengthVectorType);
             Some(self.parse_expr())
         } else if *self.token == token::COMMA &&
                 self.look_ahead(1) == token::DOTDOT {