---

yaml
---
r: 152987
b: refs/heads/try2
c: 8bdc4b5
h: refs/heads/master
i:
  152985: 578cc06
  152983: 3e88ea9
v: v3

Author: alexcrichton

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 5cef1243a21c162cb9968f9bc14d1a23ba88426e
+refs/heads/try2: 8bdc4b54a4a317d5b788f75179fed66d6cfdda8f
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/README.md

@@ -54,6 +54,7 @@ documentation.
     When complete, `make install` will place several programs into
     `/usr/local/bin`: `rustc`, the Rust compiler, and `rustdoc`, the
     API-documentation tool.
+    system.
 3. Read the [tutorial].
 4. Enjoy!
 

branches/try2/mk/dist.mk

@@ -54,7 +54,6 @@ PKG_FILES := \
       driver                                   \
       etc                                      \
       $(foreach crate,$(CRATES),lib$(crate))   \
-      libcoretest                              \
       libbacktrace                             \
       rt                                       \
       rustllvm                                 \

branches/try2/src/doc/guide.md

@@ -160,7 +160,7 @@ Save the file, and then type this into your terminal window:
 
 ```{bash}
 $ rustc hello_world.rs
-$ ./hello_world # or hello_world.exe on Windows
+$ ./hello_world # just 'hello_world' on Windows
 Hello, world
 ```
 
@@ -243,7 +243,7 @@ There are now two files: our source code, with the `.rs` extension, and the
 executable (`hello_world.exe` on Windows, `hello_world` everywhere else)
 
 ```{bash}
-$ ./hello_world  # or hello_world.exe on Windows
+$ ./hello_world  # or ./hello_world.exe on Windows
 ```
 
 This prints out our `Hello, world!` text to our terminal.

branches/try2/src/libcollections/str.rs

@@ -106,14 +106,6 @@ pub fn from_utf8_owned(vv: Vec<u8>) -> Result<String, Vec<u8>> {
 /// # Failure
 ///
 /// Fails if invalid UTF-8
-///
-/// # Example
-///
-/// ```rust
-/// use std::str;
-/// let string = str::from_byte(66u8);
-/// assert_eq!(string.as_slice(), "B");
-/// ```
 pub fn from_byte(b: u8) -> String {
     assert!(b < 128u8);
     String::from_char(1, b as char)
@@ -811,9 +803,15 @@ pub trait StrAllocating: Str {
     }
 
     /// Converts to a vector of `u16` encoded as UTF-16.
-    #[deprecated = "use `utf16_units` instead"]
     fn to_utf16(&self) -> Vec<u16> {
-        self.as_slice().utf16_units().collect::<Vec<u16>>()
+        let me = self.as_slice();
+        let mut u = Vec::new();
+        for ch in me.chars() {
+            let mut buf = [0u16, ..2];
+            let n = ch.encode_utf16(buf /* as mut slice! */);
+            u.push_all(buf.slice_to(n));
+        }
+        u
     }
 
     /// Given a string, make a new string with repeated copies of it.
@@ -1621,17 +1619,14 @@ mod tests {
 
         for p in pairs.iter() {
             let (s, u) = (*p).clone();
-            let s_as_utf16 = s.as_slice().utf16_units().collect::<Vec<u16>>();
-            let u_as_string = from_utf16(u.as_slice()).unwrap();
-
             assert!(is_utf16(u.as_slice()));
-            assert_eq!(s_as_utf16, u);
+            assert_eq!(s.to_utf16(), u);
 
-            assert_eq!(u_as_string, s);
+            assert_eq!(from_utf16(u.as_slice()).unwrap(), s);
             assert_eq!(from_utf16_lossy(u.as_slice()), s);
 
-            assert_eq!(from_utf16(s_as_utf16.as_slice()).unwrap(), s);
-            assert_eq!(u_as_string.as_slice().utf16_units().collect::<Vec<u16>>(), u);
+            assert_eq!(from_utf16(s.to_utf16().as_slice()).unwrap(), s);
+            assert_eq!(from_utf16(u.as_slice()).unwrap().to_utf16(), u);
         }
     }
 

branches/try2/src/libcore/fmt/mod.rs

@@ -518,6 +518,9 @@ impl<'a, T: Show> Show for &'a T {
 impl<'a, T: Show> Show for &'a mut T {
     fn fmt(&self, f: &mut Formatter) -> Result { secret_show(&**self, f) }
 }
+impl<'a> Show for &'a Show {
+    fn fmt(&self, f: &mut Formatter) -> Result { (*self).fmt(f) }
+}
 
 impl Bool for bool {
     fn fmt(&self, f: &mut Formatter) -> Result {

branches/try2/src/libcore/str.rs

@@ -16,7 +16,6 @@
 
 use mem;
 use char;
-use char::Char;
 use clone::Clone;
 use cmp;
 use cmp::{PartialEq, Eq};
@@ -25,7 +24,7 @@ use default::Default;
 use iter::{Filter, Map, Iterator};
 use iter::{DoubleEndedIterator, ExactSize};
 use iter::range;
-use num::{CheckedMul, Saturating};
+use num::Saturating;
 use option::{None, Option, Some};
 use raw::Repr;
 use slice::ImmutableVector;
@@ -558,41 +557,6 @@ impl<'a> Iterator<&'a str> for StrSplits<'a> {
     }
 }
 
-/// External iterator for a string's UTF16 codeunits.
-/// Use with the `std::iter` module.
-#[deriving(Clone)]
-pub struct Utf16CodeUnits<'a> {
-    chars: Chars<'a>,
-    extra: u16
-}
-
-impl<'a> Iterator<u16> for Utf16CodeUnits<'a> {
-    #[inline]
-    fn next(&mut self) -> Option<u16> {
-        if self.extra != 0 {
-            let tmp = self.extra;
-            self.extra = 0;
-            return Some(tmp);
-        }
-
-        let mut buf = [0u16, ..2];
-        self.chars.next().map(|ch| {
-            let n = ch.encode_utf16(buf /* as mut slice! */);
-            if n == 2 { self.extra = buf[1]; }
-            buf[0]
-        })
-    }
-
-    #[inline]
-    fn size_hint(&self) -> (uint, Option<uint>) {
-        let (low, high) = self.chars.size_hint();
-        // every char gets either one u16 or two u16,
-        // so this iterator is between 1 or 2 times as
-        // long as the underlying iterator.
-        (low, high.and_then(|n| n.checked_mul(&2)))
-    }
-}
-
 /*
 Section: Comparing strings
 */
@@ -1645,9 +1609,6 @@ pub trait StrSlice<'a> {
     /// and that it is not reallocated (e.g. by pushing to the
     /// string).
     fn as_ptr(&self) -> *const u8;
-
-    /// Return an iterator of `u16` over the string encoded as UTF-16.
-    fn utf16_units(&self) -> Utf16CodeUnits<'a>;
 }
 
 impl<'a> StrSlice<'a> for &'a str {
@@ -1996,11 +1957,6 @@ impl<'a> StrSlice<'a> for &'a str {
     fn as_ptr(&self) -> *const u8 {
         self.repr().data
     }
-
-    #[inline]
-    fn utf16_units(&self) -> Utf16CodeUnits<'a> {
-        Utf16CodeUnits{ chars: self.chars(), extra: 0}
-    }
 }
 
 impl<'a> Default for &'a str {

branches/try2/src/libnative/io/c_win32.rs

@@ -70,7 +70,6 @@ extern "system" {
 
 pub mod compat {
     use std::intrinsics::{atomic_store_relaxed, transmute};
-    use std::iter::Iterator;
     use libc::types::os::arch::extra::{LPCWSTR, HMODULE, LPCSTR, LPVOID};
 
     extern "system" {
@@ -83,8 +82,7 @@ pub mod compat {
     // layer (after it's loaded) shouldn't be any slower than a regular DLL
     // call.
     unsafe fn store_func(ptr: *mut uint, module: &str, symbol: &str, fallback: uint) {
-        let module: Vec<u16> = module.utf16_units().collect();
-        let module = module.append_one(0);
+        let module = module.to_utf16().append_one(0);
         symbol.with_c_str(|symbol| {
             let handle = GetModuleHandleW(module.as_ptr());
             let func: uint = transmute(GetProcAddress(handle, symbol));

branches/try2/src/libnative/io/file_win32.rs

@@ -255,7 +255,7 @@ impl Drop for Inner {
 
 pub fn to_utf16(s: &CString) -> IoResult<Vec<u16>> {
     match s.as_str() {
-        Some(s) => Ok(s.utf16_units().collect::<Vec<u16>>().append_one(0)),
+        Some(s) => Ok(s.to_utf16().append_one(0)),
         None => Err(IoError {
             code: libc::ERROR_INVALID_NAME as uint,
             extra: 0,

branches/try2/src/libnative/io/process.rs

@@ -294,8 +294,6 @@ fn spawn_process_os(cfg: ProcessConfig,
     use libc::funcs::extra::msvcrt::get_osfhandle;
 
     use std::mem;
-    use std::iter::Iterator;
-    use std::str::StrSlice;
 
     if cfg.gid.is_some() || cfg.uid.is_some() {
         return Err(IoError {
@@ -330,8 +328,7 @@ fn spawn_process_os(cfg: ProcessConfig,
                         lpSecurityDescriptor: ptr::mut_null(),
                         bInheritHandle: 1,
                     };
-                    let filename: Vec<u16> = "NUL".utf16_units().collect();
-                    let filename = filename.append_one(0);
+                    let filename = "NUL".to_utf16().append_one(0);
                     *slot = libc::CreateFileW(filename.as_ptr(),
                                               access,
                                               libc::FILE_SHARE_READ |
@@ -374,8 +371,7 @@ fn spawn_process_os(cfg: ProcessConfig,
 
         with_envp(cfg.env, |envp| {
             with_dirp(cfg.cwd, |dirp| {
-                let mut cmd_str: Vec<u16> = cmd_str.as_slice().utf16_units().collect();
-                cmd_str = cmd_str.append_one(0);
+                let mut cmd_str = cmd_str.to_utf16().append_one(0);
                 let created = CreateProcessW(ptr::null(),
                                              cmd_str.as_mut_ptr(),
                                              ptr::mut_null(),
@@ -774,7 +770,7 @@ fn with_envp<T>(env: Option<&[(CString, CString)]>, cb: |*mut c_void| -> T) -> T
                 let kv = format!("{}={}",
                                  pair.ref0().as_str().unwrap(),
                                  pair.ref1().as_str().unwrap());
-                blk.extend(kv.as_slice().utf16_units());
+                blk.push_all(kv.to_utf16().as_slice());
                 blk.push(0);
             }
 
@@ -792,9 +788,7 @@ fn with_dirp<T>(d: Option<&CString>, cb: |*const u16| -> T) -> T {
       Some(dir) => {
           let dir_str = dir.as_str()
                            .expect("expected workingdirectory to be utf-8 encoded");
-          let dir_str: Vec<u16> = dir_str.utf16_units().collect();
-          let dir_str = dir_str.append_one(0);
-
+          let dir_str = dir_str.to_utf16().append_one(0);
           cb(dir_str.as_ptr())
       },
       None => cb(ptr::null())

branches/try2/src/librustc/middle/trans/base.rs

@@ -1220,7 +1220,7 @@ pub fn init_function<'a>(fcx: &'a FunctionContext<'a>,
 //  - new_fn_ctxt
 //  - trans_args
 
-pub fn arg_kind(cx: &FunctionContext, t: ty::t) -> datum::Rvalue {
+fn arg_kind(cx: &FunctionContext, t: ty::t) -> datum::Rvalue {
     use middle::trans::datum::{ByRef, ByValue};
 
     datum::Rvalue {

branches/try2/src/librustc/middle/trans/builder.rs

@@ -159,14 +159,6 @@ impl<'a> Builder<'a> {
                   attributes: &[(uint, u64)])
                   -> ValueRef {
         self.count_insn("invoke");
-
-        debug!("Invoke {} with args ({})",
-               self.ccx.tn.val_to_str(llfn),
-               args.iter()
-                   .map(|&v| self.ccx.tn.val_to_str(v))
-                   .collect::<Vec<String>>()
-                   .connect(", "));
-
         unsafe {
             let v = llvm::LLVMBuildInvoke(self.llbuilder,
                                           llfn,