---

yaml
---
r: 96140
b: refs/heads/dist-snap
c: 727b70d
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -6,7 +6,7 @@ refs/heads/try: c274a6888410ce3e357e014568b43310ed787d36
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
-refs/heads/dist-snap: b60b4114959a0f0bfa4c1099c5c1af9a35edeb45
+refs/heads/dist-snap: 727b70d6ae1c1daf36afa6addd8805b87cf31563
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0

branches/dist-snap/doc/rust.md

@@ -254,6 +254,7 @@ common_escape : '\x5c'
 hex_digit : 'a' | 'b' | 'c' | 'd' | 'e' | 'f'
           | 'A' | 'B' | 'C' | 'D' | 'E' | 'F'
           | dec_digit ;
+oct_digit : '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' ;
 dec_digit : '0' | nonzero_dec ;
 nonzero_dec: '1' | '2' | '3' | '4'
            | '5' | '6' | '7' | '8' | '9' ;
@@ -318,8 +319,9 @@ r##"foo #"# bar"##;                // foo #"# bar
 ~~~~ {.ebnf .gram}
 
 num_lit : nonzero_dec [ dec_digit | '_' ] * num_suffix ?
-        | '0' [       [ dec_digit | '_' ] + num_suffix ?
+        | '0' [       [ dec_digit | '_' ] * num_suffix ?
               | 'b'   [ '1' | '0' | '_' ] + int_suffix ?
+              | 'o'   [ oct_digit | '_' ] + int_suffix ?
               | 'x'   [ hex_digit | '_' ] + int_suffix ? ] ;
 
 num_suffix : int_suffix | float_suffix ;

branches/dist-snap/src/libextra/num/bigint.rs

@@ -660,7 +660,7 @@ impl ToStrRadix for BigUint {
             let divider    = FromPrimitive::from_uint(base).unwrap();
             let mut result = ~[];
             let mut m      = n;
-            while m > divider {
+            while m >= divider {
                 let (d, m0) = m.div_mod_floor(&divider);
                 result.push(m0.to_uint().unwrap() as BigDigit);
                 m = d;
@@ -2520,6 +2520,11 @@ mod bigint_tests {
         check("-10", Some(-10));
         check("Z", None);
         check("_", None);
+
+        // issue 10522, this hit an edge case that caused it to
+        // attempt to allocate a vector of size (-1u) == huge.
+        let x: BigInt = from_str("1" + "0".repeat(36)).unwrap();
+        let _y = x.to_str();
     }
 
     #[test]

branches/dist-snap/src/libextra/url.rs

@@ -364,6 +364,16 @@ fn query_from_str(rawquery: &str) -> Query {
     return query;
 }
 
+/**
+ * Converts an instance of a URI `Query` type to a string.
+ *
+ * # Example
+ *
+ * ```rust
+ * let query = ~[(~"title", ~"The Village"), (~"north", ~"52.91"), (~"west", ~"4.10")];
+ * println(query_to_str(&query));  // title=The%20Village&north=52.91&west=4.10
+ * ```
+ */
 pub fn query_to_str(query: &Query) -> ~str {
     let mut strvec = ~[];
     for kv in query.iter() {

branches/dist-snap/src/librustc/middle/check_const.rs

@@ -117,7 +117,7 @@ pub fn check_expr(v: &mut CheckCrateVisitor,
           ExprUnary(_, UnDeref, _) => { }
           ExprUnary(_, UnBox(_), _) | ExprUnary(_, UnUniq, _) => {
             sess.span_err(e.span,
-                          "disallowed operator in constant expression");
+                          "cannot do allocations in constant expressions");
             return;
           }
           ExprLit(@codemap::Spanned {node: lit_str(*), _}) => { }
@@ -191,7 +191,13 @@ pub fn check_expr(v: &mut CheckCrateVisitor,
                     e.span,
                     "borrowed pointers in constants may only refer to \
                      immutable values");
-          }
+          },
+          ExprVstore(_, ExprVstoreUniq) |
+          ExprVstore(_, ExprVstoreBox) |
+          ExprVstore(_, ExprVstoreMutBox) => {
+              sess.span_err(e.span, "cannot allocate vectors in constant expressions")
+          },
+
           _ => {
             sess.span_err(e.span,
                           "constant contains unimplemented expression type");

branches/dist-snap/src/librustc/middle/lint.rs

@@ -883,20 +883,23 @@ fn check_unused_unsafe(cx: &Context, e: &ast::Expr) {
 
 fn check_unused_mut_pat(cx: &Context, p: @ast::Pat) {
     match p.node {
-        ast::PatIdent(ast::BindByValue(ast::MutMutable), _, _) => {
-            let mut used = false;
-            let mut bindings = 0;
-            do pat_util::pat_bindings(cx.tcx.def_map, p) |_, id, _, _| {
-                used = used || cx.tcx.used_mut_nodes.contains(&id);
-                bindings += 1;
-            }
-            if !used {
-                let msg = if bindings == 1 {
-                    "variable does not need to be mutable"
-                } else {
-                    "variables do not need to be mutable"
-                };
-                cx.span_lint(unused_mut, p.span, msg);
+        ast::PatIdent(ast::BindByValue(ast::MutMutable),
+                      ref path, _) if pat_util::pat_is_binding(cx.tcx.def_map, p)=> {
+            // `let mut _a = 1;` doesn't need a warning.
+            let initial_underscore = match path.segments {
+                [ast::PathSegment { identifier: id, _ }] => {
+                    cx.tcx.sess.str_of(id).starts_with("_")
+                }
+                _ => {
+                    cx.tcx.sess.span_bug(p.span,
+                                         "mutable binding that doesn't \
+                                         consist of exactly one segment");
+                }
+            };
+
+            if !initial_underscore && !cx.tcx.used_mut_nodes.contains(&p.id) {
+                cx.span_lint(unused_mut, p.span,
+                             "variable does not need to be mutable");
             }
         }
         _ => ()

branches/dist-snap/src/librustc/middle/typeck/check/mod.rs

@@ -863,11 +863,13 @@ pub fn compare_impl_method(tcx: ty::ctxt,
     if impl_m.fty.sig.inputs.len() != trait_m.fty.sig.inputs.len() {
         tcx.sess.span_err(
             impl_m_span,
-            format!("method `{}` has {} parameter(s) \
-                    but the trait has {} parameter(s)",
-                    tcx.sess.str_of(trait_m.ident),
-                    impl_m.fty.sig.inputs.len(),
-                    trait_m.fty.sig.inputs.len()));
+            format!("method `{}` has {} parameter{} \
+                  but the declaration in trait `{}` has {}",
+                 tcx.sess.str_of(trait_m.ident),
+                 impl_m.fty.sig.inputs.len(),
+                 if impl_m.fty.sig.inputs.len() == 1 { "" } else { "s" },
+                 ty::item_path_str(tcx, trait_m.def_id),
+                 trait_m.fty.sig.inputs.len()));
         return;
     }
 

branches/dist-snap/src/librustpkg/api.rs

@@ -81,6 +81,11 @@ pub fn new_workcache_context(p: &Path) -> workcache::Context {
 
 pub fn build_lib(sysroot: Path, root: Path, name: ~str, version: Version,
                  lib: Path) {
+    build_lib_with_cfgs(sysroot, root, name, version, lib, ~[])
+}
+
+pub fn build_lib_with_cfgs(sysroot: Path, root: Path, name: ~str,
+                           version: Version, lib: Path, cfgs: ~[~str]) {
     let cx = default_context(sysroot, root.clone());
     let pkg_src = PkgSrc {
         source_workspace: root.clone(),
@@ -94,11 +99,16 @@ pub fn build_lib(sysroot: Path, root: Path, name: ~str, version: Version,
         tests: ~[],
         benchs: ~[]
     };
-    pkg_src.build(&cx, ~[], []);
+    pkg_src.build(&cx, cfgs, []);
 }
 
 pub fn build_exe(sysroot: Path, root: Path, name: ~str, version: Version,
                  main: Path) {
+    build_exe_with_cfgs(sysroot, root, name, version, main, ~[])
+}
+
+pub fn build_exe_with_cfgs(sysroot: Path, root: Path, name: ~str,
+                           version: Version, main: Path, cfgs: ~[~str]) {
     let cx = default_context(sysroot, root.clone());
     let pkg_src = PkgSrc {
         source_workspace: root.clone(),
@@ -113,7 +123,7 @@ pub fn build_exe(sysroot: Path, root: Path, name: ~str, version: Version,
         benchs: ~[]
     };
 
-    pkg_src.build(&cx, ~[], []);
+    pkg_src.build(&cx, cfgs, []);
 }
 
 pub fn install_pkg(cx: &BuildContext,

branches/dist-snap/src/libstd/any.rs

@@ -207,7 +207,7 @@ mod tests {
 
     #[test]
     fn type_id_hash() {
-        let (a, b) = (TypeId::of::<uint>(), TypeId::of::<uint>::());
+        let (a, b) = (TypeId::of::<uint>(), TypeId::of::<uint>());
 
         assert_eq!(a.hash(), b.hash());
     }

branches/dist-snap/src/libstd/io/buffered.rs

@@ -55,8 +55,7 @@ use prelude::*;
 
 use num;
 use vec;
-use str;
-use super::{Reader, Writer, Stream, Decorator};
+use super::{Stream, Decorator};
 
 // libuv recommends 64k buffers to maximize throughput
 // https://groups.google.com/forum/#!topic/libuv/oQO1HJAIDdA
@@ -93,45 +92,10 @@ impl<R: Reader> BufferedReader<R> {
     pub fn new(inner: R) -> BufferedReader<R> {
         BufferedReader::with_capacity(DEFAULT_CAPACITY, inner)
     }
+}
 
-    /// Reads the next line of input, interpreted as a sequence of utf-8
-    /// encoded unicode codepoints. If a newline is encountered, then the
-    /// newline is contained in the returned string.
-    pub fn read_line(&mut self) -> Option<~str> {
-        self.read_until('\n' as u8).map(str::from_utf8_owned)
-    }
-
-    /// Reads a sequence of bytes leading up to a specified delimeter. Once the
-    /// specified byte is encountered, reading ceases and the bytes up to and
-    /// including the delimiter are returned.
-    pub fn read_until(&mut self, byte: u8) -> Option<~[u8]> {
-        let mut res = ~[];
-        let mut used;
-        loop {
-            {
-                let available = self.fill_buffer();
-                match available.iter().position(|&b| b == byte) {
-                    Some(i) => {
-                        res.push_all(available.slice_to(i + 1));
-                        used = i + 1;
-                        break
-                    }
-                    None => {
-                        res.push_all(available);
-                        used = available.len();
-                    }
-                }
-            }
-            if used == 0 {
-                break
-            }
-            self.pos += used;
-        }
-        self.pos += used;
-        return if res.len() == 0 {None} else {Some(res)};
-    }
-
-    fn fill_buffer<'a>(&'a mut self) -> &'a [u8] {
+impl<R: Reader> Buffer for BufferedReader<R> {
+    fn fill<'a>(&'a mut self) -> &'a [u8] {
         if self.pos == self.cap {
             match self.inner.read(self.buf) {
                 Some(cap) => {
@@ -143,12 +107,17 @@ impl<R: Reader> BufferedReader<R> {
         }
         return self.buf.slice(self.pos, self.cap);
     }
+
+    fn consume(&mut self, amt: uint) {
+        self.pos += amt;
+        assert!(self.pos <= self.cap);
+    }
 }
 
 impl<R: Reader> Reader for BufferedReader<R> {
     fn read(&mut self, buf: &mut [u8]) -> Option<uint> {
         let nread = {
-            let available = self.fill_buffer();
+            let available = self.fill();
             if available.len() == 0 {
                 return None;
             }
@@ -166,17 +135,9 @@ impl<R: Reader> Reader for BufferedReader<R> {
 }
 
 impl<R: Reader> Decorator<R> for BufferedReader<R> {
-    fn inner(self) -> R {
-        self.inner
-    }
-
-    fn inner_ref<'a>(&'a self) -> &'a R {
-        &self.inner
-    }
-
-    fn inner_mut_ref<'a>(&'a mut self) -> &'a mut R {
-        &mut self.inner
-    }
+    fn inner(self) -> R { self.inner }
+    fn inner_ref<'a>(&'a self) -> &'a R { &self.inner }
+    fn inner_mut_ref<'a>(&'a mut self) -> &'a mut R { &mut self.inner }
 }
 
 /// Wraps a Writer and buffers output to it
@@ -279,13 +240,8 @@ impl<W: Writer> Decorator<W> for LineBufferedWriter<W> {
 struct InternalBufferedWriter<W>(BufferedWriter<W>);
 
 impl<W: Reader> Reader for InternalBufferedWriter<W> {
-    fn read(&mut self, buf: &mut [u8]) -> Option<uint> {
-        self.inner.read(buf)
-    }
-
-    fn eof(&mut self) -> bool {
-        self.inner.eof()
-    }
+    fn read(&mut self, buf: &mut [u8]) -> Option<uint> { self.inner.read(buf) }
+    fn eof(&mut self) -> bool { self.inner.eof() }
 }
 
 /// Wraps a Stream and buffers input and output to and from it
@@ -311,35 +267,24 @@ impl<S: Stream> BufferedStream<S> {
     }
 }
 
-impl<S: Stream> Reader for BufferedStream<S> {
-    fn read(&mut self, buf: &mut [u8]) -> Option<uint> {
-        self.inner.read(buf)
-    }
+impl<S: Stream> Buffer for BufferedStream<S> {
+    fn fill<'a>(&'a mut self) -> &'a [u8] { self.inner.fill() }
+    fn consume(&mut self, amt: uint) { self.inner.consume(amt) }
+}
 
-    fn eof(&mut self) -> bool {
-        self.inner.eof()
-    }
+impl<S: Stream> Reader for BufferedStream<S> {
+    fn read(&mut self, buf: &mut [u8]) -> Option<uint> { self.inner.read(buf) }
+    fn eof(&mut self) -> bool { self.inner.eof() }
 }
 
 impl<S: Stream> Writer for BufferedStream<S> {
-    fn write(&mut self, buf: &[u8]) {
-        self.inner.inner.write(buf)
-    }
-
-    fn flush(&mut self) {
-        self.inner.inner.flush()
-    }
+    fn write(&mut self, buf: &[u8]) { self.inner.inner.write(buf) }
+    fn flush(&mut self) { self.inner.inner.flush() }
 }
 
 impl<S: Stream> Decorator<S> for BufferedStream<S> {
-    fn inner(self) -> S {
-        self.inner.inner.inner()
-    }
-
-    fn inner_ref<'a>(&'a self) -> &'a S {
-        self.inner.inner.inner_ref()
-    }
-
+    fn inner(self) -> S { self.inner.inner.inner() }
+    fn inner_ref<'a>(&'a self) -> &'a S { self.inner.inner.inner_ref() }
     fn inner_mut_ref<'a>(&'a mut self) -> &'a mut S {
         self.inner.inner.inner_mut_ref()
     }