auto merge of #18978 : jakub-/rust/roll-up, r=cmr

Author: bors

src/compiletest/common.rs

@@ -8,8 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::from_str::FromStr;
 use std::fmt;
+use std::str::FromStr;
 use regex::Regex;
 
 #[deriving(Clone, PartialEq)]

src/compiletest/compiletest.rs

@@ -22,7 +22,7 @@ extern crate regex;
 use std::os;
 use std::io;
 use std::io::fs;
-use std::from_str::FromStr;
+use std::str::FromStr;
 use getopts::{optopt, optflag, reqopt};
 use common::Config;
 use common::{Pretty, DebugInfoGdb, DebugInfoLldb, Codegen};

src/compiletest/header.rs

@@ -12,8 +12,6 @@ use common::Config;
 use common;
 use util;
 
-use std::from_str::FromStr;
-
 pub struct TestProps {
     // Lines that should be expected, in order, on standard out
     pub error_patterns: Vec<String> ,
@@ -353,8 +351,8 @@ pub fn gdb_version_to_int(version_string: &str) -> int {
         panic!("{}", error_string);
     }
 
-    let major: int = FromStr::from_str(components[0]).expect(error_string);
-    let minor: int = FromStr::from_str(components[1]).expect(error_string);
+    let major: int = from_str(components[0]).expect(error_string);
+    let minor: int = from_str(components[1]).expect(error_string);
 
     return major * 1000 + minor;
 }
@@ -364,6 +362,6 @@ pub fn lldb_version_to_int(version_string: &str) -> int {
         "Encountered LLDB version string with unexpected format: {}",
         version_string);
     let error_string = error_string.as_slice();
-    let major: int = FromStr::from_str(version_string).expect(error_string);
+    let major: int = from_str(version_string).expect(error_string);
     return major;
 }

src/doc/complement-design-faq.md

@@ -95,7 +95,7 @@ code should need to run is a stack.
 `match` being exhaustive has some useful properties. First, if every
 possibility is covered by the `match`, adding further variants to the `enum`
 in the future will prompt a compilation failure, rather than runtime panic.
-Second, it makes cost explicit. In general, only safe way to have a
+Second, it makes cost explicit. In general, the only safe way to have a
 non-exhaustive match would be to panic the task if nothing is matched, though
 it could fall through if the type of the `match` expression is `()`. This sort
 of hidden cost and special casing is against the language's philosophy. It's

src/doc/guide-pointers.md

@@ -133,11 +133,11 @@ pass-by-reference. Basically, languages can make two choices (this is made
 up syntax, it's not Rust):
 
 ```{notrust,ignore}
-fn foo(x) {
+func foo(x) {
     x = 5
 }
 
-fn main() {
+func main() {
     i = 1
     foo(i)
     // what is the value of i here?
@@ -153,11 +153,11 @@ So what do pointers have to do with this? Well, since pointers point to a
 location in memory...
 
 ```{notrust,ignore}
-fn foo(&int x) {
+func foo(&int x) {
     *x = 5
 }
 
-fn main() {
+func main() {
     i = 1
     foo(&i)
     // what is the value of i here?
@@ -192,13 +192,13 @@ When you combine pointers and functions, it's easy to accidentally invalidate
 the memory the pointer is pointing to. For example:
 
 ```{notrust,ignore}
-fn make_pointer(): &int {
+func make_pointer(): &int {
     x = 5;
 
     return &x;
 }
 
-fn main() {
+func main() {
     &int i = make_pointer();
     *i = 5; // uh oh!
 }
@@ -214,11 +214,11 @@ issue. Two pointers are said to alias when they point at the same location
 in memory. Like this:
 
 ```{notrust,ignore}
-fn mutate(&int i, int j) {
+func mutate(&int i, int j) {
     *i = j;
 }
 
-fn main() {
+func main() {
   x = 5;
   y = &x;
   z = &x; //y and z are aliased

src/doc/guide-strings.md

@@ -155,7 +155,7 @@ println!("{}", s[0]);
 This does not compile. This is on purpose. In the world of UTF-8, direct
 indexing is basically never what you want to do. The reason is that each
 character can be a variable number of bytes. This means that you have to iterate
-through the characters anyway, which is a O(n) operation. 
+through the characters anyway, which is an O(n) operation.
 
 There's 3 basic levels of unicode (and its encodings):
 

src/doc/reference.md

@@ -2526,7 +2526,7 @@ The currently implemented features of the reference compiler are:
 
 * `plugin_registrar` - Indicates that a crate has [compiler plugins][plugin] that it
                        wants to load. As with `phase`, the implementation is
-                       in need of a overhaul, and it is not clear that plugins
+                       in need of an overhaul, and it is not clear that plugins
                        defined using this will continue to work.
 
 * `quote` - Allows use of the `quote_*!` family of macros, which are
@@ -2583,7 +2583,7 @@ there isn't a parser error first). The directive in this case is no longer
 necessary, and it's likely that existing code will break if the feature isn't
 removed.
 
-If a unknown feature is found in a directive, it results in a compiler error.
+If an unknown feature is found in a directive, it results in a compiler error.
 An unknown feature is one which has never been recognized by the compiler.
 
 # Statements and expressions
@@ -2685,7 +2685,7 @@ When an lvalue is evaluated in an _lvalue context_, it denotes a memory
 location; when evaluated in an _rvalue context_, it denotes the value held _in_
 that memory location.
 
-When an rvalue is used in lvalue context, a temporary un-named lvalue is
+When an rvalue is used in an lvalue context, a temporary un-named lvalue is
 created and used instead. A temporary's lifetime equals the largest lifetime
 of any reference that points to it.
 
@@ -2833,7 +2833,7 @@ foo().x;
 ```
 
 A field access is an [lvalue](#lvalues,-rvalues-and-temporaries) referring to
-the value of that field. When the type providing the field inherits mutabilty,
+the value of that field. When the type providing the field inherits mutability,
 it can be [assigned](#assignment-expressions) to.
 
 Also, if the type of the expression to the left of the dot is a pointer, it is
@@ -3108,11 +3108,10 @@ then the expression completes.
 Some examples of call expressions:
 
 ```
-# use std::from_str::FromStr;
 # fn add(x: int, y: int) -> int { 0 }
 
 let x: int = add(1, 2);
-let pi: Option<f32> = FromStr::from_str("3.14");
+let pi: Option<f32> = from_str("3.14");
 ```
 
 ### Lambda expressions
@@ -3321,7 +3320,7 @@ between `_` and `..` is that the pattern `C(_)` is only type-correct if `C` has
 exactly one argument, while the pattern `C(..)` is type-correct for any enum
 variant `C`, regardless of how many arguments `C` has.
 
-Used inside a array pattern, `..` stands for any number of elements, when the
+Used inside an array pattern, `..` stands for any number of elements, when the
 `advanced_slice_patterns` feature gate is turned on. This wildcard can be used
 at most once for a given array, which implies that it cannot be used to
 specifically match elements that are at an unknown distance from both ends of a
@@ -3584,7 +3583,7 @@ is not a surrogate), represented as a 32-bit unsigned word in the 0x0000 to
 0xD7FF or 0xE000 to 0x10FFFF range. A `[char]` array is effectively an UCS-4 /
 UTF-32 string.
 
-A value of type `str` is a Unicode string, represented as a array of 8-bit
+A value of type `str` is a Unicode string, represented as an array of 8-bit
 unsigned bytes holding a sequence of UTF-8 codepoints. Since `str` is of
 unknown size, it is not a _first class_ type, but can only be instantiated
 through a pointer type, such as `&str` or `String`.

src/etc/snapshot.py

@@ -75,7 +75,11 @@ def full_snapshot_name(date, rev, platform, hsh):
 
 
 def get_kernel(triple):
-    os_name = triple.split('-')[2]
+    t = triple.split('-')
+    if len(t) == 2:
+      os_name = t[1]
+    else:
+      os_name = t[2]
     if os_name == "windows":
         return "winnt"
     if os_name == "darwin":

src/etc/vim/syntax/rust.vim

@@ -105,7 +105,7 @@ syn keyword rustTrait RawPtr
 syn keyword rustTrait Buffer Writer Reader Seek
 syn keyword rustTrait Str StrVector StrSlice
 syn keyword rustTrait IntoMaybeOwned StrAllocating UnicodeStrSlice
-syn keyword rustTrait ToString IntoStr
+syn keyword rustTrait ToString IntoString
 syn keyword rustTrait Tuple1 Tuple2 Tuple3 Tuple4
 syn keyword rustTrait Tuple5 Tuple6 Tuple7 Tuple8
 syn keyword rustTrait Tuple9 Tuple10 Tuple11 Tuple12

src/liballoc/rc.rs

@@ -179,9 +179,9 @@ pub struct Rc<T> {
     _noshare: marker::NoSync
 }
 
-#[stable]
 impl<T> Rc<T> {
     /// Constructs a new reference-counted pointer.
+    #[stable]
     pub fn new(value: T) -> Rc<T> {
         unsafe {
             Rc {
@@ -200,9 +200,7 @@ impl<T> Rc<T> {
             }
         }
     }
-}
 
-impl<T> Rc<T> {
     /// Downgrades the reference-counted pointer to a weak reference.
     #[experimental = "Weak pointers may not belong in this module"]
     pub fn downgrade(&self) -> Weak<T> {

src/libcollections/str.rs

@@ -73,6 +73,7 @@ pub use core::str::{CharSplitsN, AnyLines, MatchIndices, StrSplits};
 pub use core::str::{Utf16CodeUnits, eq_slice, is_utf8, is_utf16, Utf16Items};
 pub use core::str::{Utf16Item, ScalarValue, LoneSurrogate, utf16_items};
 pub use core::str::{truncate_utf16_at_nul, utf8_char_width, CharRange};
+pub use core::str::{FromStr, from_str};
 pub use core::str::{Str, StrPrelude};
 pub use unicode::str::{UnicodeStrPrelude, Words, Graphemes, GraphemeIndices};
 

src/libcollections/string.rs

@@ -25,7 +25,7 @@ use core::raw::Slice as RawSlice;
 use hash;
 use slice::CloneSliceAllocPrelude;
 use str;
-use str::{CharRange, StrAllocating, MaybeOwned, Owned};
+use str::{CharRange, FromStr, StrAllocating, MaybeOwned, Owned};
 use str::Slice as MaybeOwnedSlice; // So many `Slice`s...
 use vec::{DerefVec, Vec, as_vec};
 
@@ -795,6 +795,33 @@ pub fn as_string<'a>(x: &'a str) -> DerefString<'a> {
     DerefString { x: as_vec(x.as_bytes()) }
 }
 
+impl FromStr for String {
+    #[inline]
+    fn from_str(s: &str) -> Option<String> {
+        Some(String::from_str(s))
+    }
+}
+
+/// Trait for converting a type to a string, consuming it in the process.
+pub trait IntoString {
+    /// Consume and convert to a string.
+    fn into_string(self) -> String;
+}
+
+/// A generic trait for converting a value to a string
+pub trait ToString {
+    /// Converts the value of `self` to an owned string
+    fn to_string(&self) -> String;
+}
+
+impl<T: fmt::Show> ToString for T {
+    fn to_string(&self) -> String {
+        let mut buf = Vec::<u8>::new();
+        let _ = format_args!(|args| fmt::write(&mut buf, args), "{}", self);
+        String::from_utf8(buf).unwrap()
+    }
+}
+
 /// Unsafe operations
 #[unstable = "waiting on raw module conventions"]
 pub mod raw {
@@ -860,7 +887,7 @@ mod tests {
 
     use str;
     use str::{Str, StrPrelude, Owned};
-    use super::{as_string, String};
+    use super::{as_string, String, ToString};
     use vec::Vec;
     use slice::CloneSliceAllocPrelude;
 
@@ -1164,6 +1191,28 @@ mod tests {
         assert_eq!("oob", s[1..4]);
     }
 
+    #[test]
+    fn test_simple_types() {
+        assert_eq!(1i.to_string(), "1".to_string());
+        assert_eq!((-1i).to_string(), "-1".to_string());
+        assert_eq!(200u.to_string(), "200".to_string());
+        assert_eq!(2u8.to_string(), "2".to_string());
+        assert_eq!(true.to_string(), "true".to_string());
+        assert_eq!(false.to_string(), "false".to_string());
+        assert_eq!(().to_string(), "()".to_string());
+        assert_eq!(("hi".to_string()).to_string(), "hi".to_string());
+    }
+
+    #[test]
+    fn test_vectors() {
+        let x: Vec<int> = vec![];
+        assert_eq!(x.to_string(), "[]".to_string());
+        assert_eq!((vec![1i]).to_string(), "[1]".to_string());
+        assert_eq!((vec![1i, 2, 3]).to_string(), "[1, 2, 3]".to_string());
+        assert!((vec![vec![], vec![1i], vec![1i, 1]]).to_string() ==
+               "[[], [1], [1, 1]]".to_string());
+    }
+
     #[bench]
     fn bench_with_capacity(b: &mut Bencher) {
         b.iter(|| {

src/libcollections/tree/set.rs

@@ -504,9 +504,9 @@ impl<T: Ord> TreeSet<T> {
     /// # Example
     ///
     /// ```
-    /// use std::collections::BTreeSet;
+    /// use std::collections::TreeSet;
     ///
-    /// let mut set = BTreeSet::new();
+    /// let mut set = TreeSet::new();
     ///
     /// assert_eq!(set.insert(2i), true);
     /// assert_eq!(set.insert(2i), false);
@@ -522,9 +522,9 @@ impl<T: Ord> TreeSet<T> {
     /// # Example
     ///
     /// ```
-    /// use std::collections::BTreeSet;
+    /// use std::collections::TreeSet;
     ///
-    /// let mut set = BTreeSet::new();
+    /// let mut set = TreeSet::new();
     ///
     /// set.insert(2i);
     /// assert_eq!(set.remove(&2), true);

src/libcollections/vec.rs

@@ -645,7 +645,6 @@ impl<T> Vec<T> {
     /// assert!(vec.capacity() >= 3);
     /// ```
     #[stable]
-    #[unstable = "matches collection reform specification, waiting for dust to settle"]
     pub fn shrink_to_fit(&mut self) {
         if mem::size_of::<T>() == 0 { return }
 
@@ -1653,6 +1652,13 @@ impl<T> Vec<T> {
     }
 }
 
+impl<'a> fmt::FormatWriter for Vec<u8> {
+    fn write(&mut self, buf: &[u8]) -> fmt::Result {
+        self.push_all(buf);
+        Ok(())
+    }
+}
+
 #[cfg(test)]
 mod tests {
     extern crate test;

src/libcore/any.rs

@@ -88,6 +88,7 @@ use intrinsics::TypeId;
 #[stable]
 pub trait Any: 'static {
     /// Get the `TypeId` of `self`
+    #[stable]
     fn get_type_id(&self) -> TypeId;
 }
 
@@ -117,7 +118,6 @@ pub trait AnyRefExt<'a> {
 #[stable]
 impl<'a> AnyRefExt<'a> for &'a Any {
     #[inline]
-    #[stable]
     fn is<T: 'static>(self) -> bool {
         // Get TypeId of the type this function is instantiated with
         let t = TypeId::of::<T>();
@@ -130,7 +130,6 @@ impl<'a> AnyRefExt<'a> for &'a Any {
     }
 
     #[inline]
-    #[unstable = "naming conventions around acquiring references may change"]
     fn downcast_ref<T: 'static>(self) -> Option<&'a T> {
         if self.is::<T>() {
             unsafe {
@@ -159,7 +158,6 @@ pub trait AnyMutRefExt<'a> {
 #[stable]
 impl<'a> AnyMutRefExt<'a> for &'a mut Any {
     #[inline]
-    #[unstable = "naming conventions around acquiring references may change"]
     fn downcast_mut<T: 'static>(self) -> Option<&'a mut T> {
         if self.is::<T>() {
             unsafe {