---

yaml
---
r: 98231
b: refs/heads/master
c: 7d79cc7
h: refs/heads/master
i:
  98229: a9d923d
  98227: 2afb72a
  98223: ca8df2d
v: v3

Author: bors

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 68517a2cca613d2018819d0eb38f6c0a864d1836
+refs/heads/master: 7d79cc73fb4c0fcbdf8bb47a3c96ae9dadbd1895
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: b6400f998497c3958f40997a71756ead344a776d
 refs/heads/try: c274a6888410ce3e357e014568b43310ed787d36

trunk/doc/tutorial.md

@@ -1020,10 +1020,15 @@ being destroyed along with the owner. Since the `list` variable above is
 immutable, the whole list is immutable. The memory allocation itself is the
 box, while the owner holds onto a pointer to it:
 
-      Cons cell        Cons cell        Cons cell
-    +-----------+    +-----+-----+    +-----+-----+
-    |  1  |  ~  | -> |  2  |  ~  | -> |  3  |  ~  | -> Nil
-    +-----------+    +-----+-----+    +-----+-----+
+              List box             List box           List box            List box
+            +--------------+    +--------------+    +--------------+    +--------------+
+    list -> | Cons | 1 | ~ | -> | Cons | 2 | ~ | -> | Cons | 3 | ~ | -> | Nil          |
+            +--------------+    +--------------+    +--------------+    +--------------+
+
+> Note: the above diagram shows the logical contents of the enum. The actual
+> memory layout of the enum may vary. For example, for the `List` enum shown
+> above, Rust guarantees that there will be no enum tag field in the actual
+> structure. See the language reference for more details.
 
 An owned box is a common example of a type with a destructor. The allocated
 memory is cleaned up when the box is destroyed.

trunk/src/etc/vim/syntax/rust.vim

@@ -3,7 +3,7 @@
 " Maintainer:   Patrick Walton <[email protected]>
 " Maintainer:   Ben Blum <[email protected]>
 " Maintainer:   Chris Morgan <[email protected]>
-" Last Change:  2013 Dec 10
+" Last Change:  2014 Jan 4
 
 if version < 600
   syntax clear
@@ -147,8 +147,8 @@ syn match     rustMacro       '#\w\(\w\)*' contains=rustAssert,rustFail
 syn match     rustSpecialError display contained /\\./
 syn match     rustSpecial     display contained /\\\([nrt0\\'"]\|x\x\{2}\|u\x\{4}\|U\x\{8}\)/
 syn match     rustStringContinuation display contained /\\\n\s*/
-syn region    rustString      start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=rustSpecial,rustSpecialError,rustStringContinuation
-syn region    rustString      start='r\z(#*\)"' end='"\z1'
+syn region    rustString      start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=rustSpecial,rustSpecialError,rustStringContinuation,@Spell
+syn region    rustString      start='r\z(#*\)"' end='"\z1' contains=@Spell
 
 syn region    rustAttribute   start="#\[" end="\]" contains=rustString,rustDeriving
 syn region    rustDeriving    start="deriving(" end=")" contained contains=rustTrait
@@ -179,10 +179,10 @@ syn match     rustLifetime    display "\'\%([^[:cntrl:][:space:][:punct:][:digit
 syn match   rustCharacter   /'\([^'\\]\|\\\(.\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'/ contains=rustSpecial,rustSpecialError
 
 syn cluster rustComment contains=rustCommentLine,rustCommentLineDoc,rustCommentBlock,rustCommentBlockDoc
-syn region rustCommentLine                                    start="//"                      end="$"   contains=rustTodo
-syn region rustCommentLineDoc                                 start="//\%(//\@!\|!\)"         end="$"   contains=rustTodo
-syn region rustCommentBlock    matchgroup=rustCommentBlock    start="/\*\%(!\|\*[*/]\@!\)\@!" end="\*/" contains=rustTodo,@rustComment keepend extend
-syn region rustCommentBlockDoc matchgroup=rustCommentBlockDoc start="/\*\%(!\|\*[*/]\@!\)"    end="\*/" contains=rustTodo,@rustComment keepend extend
+syn region rustCommentLine                                    start="//"                      end="$"   contains=rustTodo,@Spell
+syn region rustCommentLineDoc                                 start="//\%(//\@!\|!\)"         end="$"   contains=rustTodo,@Spell
+syn region rustCommentBlock    matchgroup=rustCommentBlock    start="/\*\%(!\|\*[*/]\@!\)\@!" end="\*/" contains=rustTodo,@rustComment,@Spell keepend extend
+syn region rustCommentBlockDoc matchgroup=rustCommentBlockDoc start="/\*\%(!\|\*[*/]\@!\)"    end="\*/" contains=rustTodo,@rustComment,@Spell keepend extend
 " FIXME: this is a really ugly and not fully correct implementation. Most
 " importantly, a case like ``/* */*`` should have the final ``*`` not being in
 " a comment, but in practice at present it leaves comments open two levels

trunk/src/libextra/bitv.rs

@@ -269,14 +269,23 @@ impl Bitv {
 
 impl Bitv {
     pub fn new(nbits: uint, init: bool) -> Bitv {
-        let rep = if nbits <= uint::bits {
+        let rep = if nbits < uint::bits {
+            Small(SmallBitv::new(if init {(1<<nbits)-1} else {0}))
+        } else if nbits == uint::bits {
             Small(SmallBitv::new(if init {!0} else {0}))
-        }
-        else {
-            let nelems = nbits/uint::bits +
-                         if nbits % uint::bits == 0 {0} else {1};
-            let elem = if init {!0u} else {0u};
-            let s = vec::from_elem(nelems, elem);
+        } else {
+            let exact = nbits % uint::bits == 0;
+            let nelems = nbits/uint::bits + if exact {0} else {1};
+            let s =
+                if init {
+                    if exact {
+                        vec::from_elem(nelems, !0u)
+                    } else {
+                        let mut v = vec::from_elem(nelems-1, !0u);
+                        v.push((1<<nbits % uint::bits)-1);
+                        v
+                    }
+                } else { vec::from_elem(nelems, 0u)};
             Big(BigBitv::new(s))
         };
         Bitv {rep: rep, nbits: nbits}
@@ -1329,6 +1338,20 @@ mod tests {
         assert_eq!(idxs, ~[0, 2, 3]);
     }
 
+    #[test]
+    fn test_bitv_set_frombitv_init() {
+        let bools = [true, false];
+        let lengths = [10, 64, 100];
+        for &b in bools.iter() {
+            for &l in lengths.iter() {
+                let bitset = BitvSet::from_bitv(Bitv::new(l, b));
+                assert_eq!(bitset.contains(&1u), b)
+                assert_eq!(bitset.contains(&(l-1u)), b)
+                assert!(!bitset.contains(&l))
+            }
+        }
+    }
+
     #[test]
     fn test_small_difference() {
         let mut b1 = Bitv::new(3, false);

trunk/src/librustc/front/feature_gate.rs

@@ -45,6 +45,7 @@ static KNOWN_FEATURES: &'static [(&'static str, Status)] = &[
     ("link_args", Active),
     ("phase", Active),
     ("macro_registrar", Active),
+    ("log_syntax", Active),
 
     // These are used to test this portion of the compiler, they don't actually
     // mean anything
@@ -187,6 +188,11 @@ impl Visitor<()> for Context {
             self.gate_feature("asm", path.span, "inline assembly is not \
                 stable enough for use and is subject to change");
         }
+
+        else if path.segments.last().identifier == self.sess.ident_of("log_syntax") {
+            self.gate_feature("log_syntax", path.span, "`log_syntax!` is not \
+                stable enough for use and is subject to change");
+        }
     }
 
     fn visit_ty(&mut self, t: &ast::Ty, _: ()) {

trunk/src/test/compile-fail/log-syntax-gate.rs

@@ -0,0 +1,13 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    log_syntax!() //~ ERROR `log_syntax!` is not stable enough
+}