add stability attributes

to make it easier to copy paste code from rust-lang/rust

src/fs.rs

@@ -1,13 +1,17 @@
+#![unstable(feature = "steed", issue = "0")]
+
 use ctypes::{c_int, c_uint};
 use io::{Error, Read, Write};
 use linux::types::umode_t;
 use {linux, io};
 
+#[unstable(feature = "steed", issue = "0")]
 pub struct File {
     fd: c_uint,
 }
 
 impl File {
+    #[unstable(feature = "steed", issue = "0")]
     /// NOTE `path` must be null terminated
     pub fn create(path: &[u8]) -> io::Result<File> {
         OpenOptions::new()
@@ -18,17 +22,20 @@ impl File {
     }
 
     /// NOTE `path` must be null terminated
+    #[unstable(feature = "steed", issue = "0")]
     pub fn open(path: &[u8]) -> io::Result<File> {
         OpenOptions::new().read(true).open(path)
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 impl Drop for File {
     fn drop(&mut self) {
         unsafe { linux::close(self.fd) };
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 impl Read for File {
     fn read(&mut self, buffer: &mut [u8]) -> io::Result<usize> {
         match unsafe {
@@ -40,6 +47,7 @@ impl Read for File {
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 impl Write for File {
     fn write(&mut self, buffer: &[u8]) -> io::Result<usize> {
         match unsafe {
@@ -51,6 +59,7 @@ impl Write for File {
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub struct OpenOptions {
     read: bool,
     write: bool,
@@ -63,6 +72,7 @@ pub struct OpenOptions {
 }
 
 impl OpenOptions {
+    #[unstable(feature = "steed", issue = "0")]
     pub fn new() -> Self {
         OpenOptions {
             read: false,
@@ -76,31 +86,37 @@ impl OpenOptions {
         }
     }
 
+    #[unstable(feature = "steed", issue = "0")]
     pub fn read(&mut self, read: bool) -> &mut Self {
         self.read = read;
         self
     }
 
+    #[unstable(feature = "steed", issue = "0")]
     pub fn write(&mut self, write: bool) -> &mut Self {
         self.write = write;
         self
     }
 
+    #[unstable(feature = "steed", issue = "0")]
     pub fn append(&mut self, append: bool) -> &mut Self {
         self.append = append;
         self
     }
 
+    #[unstable(feature = "steed", issue = "0")]
     pub fn truncate(&mut self, truncate: bool) -> &mut Self {
         self.truncate = truncate;
         self
     }
 
+    #[unstable(feature = "steed", issue = "0")]
     pub fn create(&mut self, create: bool) -> &mut Self {
         self.create = create;
         self
     }
 
+    #[unstable(feature = "steed", issue = "0")]
     pub fn open(&self, path: &[u8]) -> io::Result<File> {
         let flags = linux::O_CLOEXEC | self.get_access_mode()? |
                     self.get_creation_mode()? |

src/io.rs

@@ -1,3 +1,5 @@
+#![unstable(feature = "steed", issue = "0")]
+
 use core::fmt;
 
 use ctypes::c_uint;
@@ -7,23 +9,28 @@ const STDIN: c_uint = 0;
 const STDOUT: c_uint = 1;
 const STDERR: c_uint = 2;
 
+#[unstable(feature = "steed", issue = "0")]
 #[derive(Debug)]
 pub struct Error {
     code: i32,
 }
 
 impl Error {
+    #[unstable(feature = "steed", issue = "0")]
     pub fn from_raw_os_error(code: i32) -> Error {
         Error { code: code }
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub type Result<T> = ::core::result::Result<T, Error>;
 
+#[unstable(feature = "steed", issue = "0")]
 pub trait Read {
     fn read(&mut self, buffer: &mut [u8]) -> io::Result<usize>;
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub trait Write {
     fn write(&mut self, buffer: &[u8]) -> io::Result<usize>;
 
@@ -44,10 +51,12 @@ pub trait Write {
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub struct Stderr {
     _0: (),
 }
 
+#[unstable(feature = "steed", issue = "0")]
 impl Write for Stderr {
     fn write(&mut self, buffer: &[u8]) -> io::Result<usize> {
         match unsafe {
@@ -59,16 +68,19 @@ impl Write for Stderr {
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 impl fmt::Write for Stderr {
     fn write_str(&mut self, s: &str) -> fmt::Result {
         self.write_all(s.as_bytes()).map_err(|_| fmt::Error)
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub struct Stdin {
     _0: (),
 }
 
+#[unstable(feature = "steed", issue = "0")]
 impl Read for Stdin {
     fn read(&mut self, buffer: &mut [u8]) -> io::Result<usize> {
         match unsafe {
@@ -80,10 +92,12 @@ impl Read for Stdin {
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub struct Stdout {
     _0: (),
 }
 
+#[unstable(feature = "steed", issue = "0")]
 impl Write for Stdout {
     fn write(&mut self, buffer: &[u8]) -> io::Result<usize> {
         match unsafe {
@@ -95,20 +109,24 @@ impl Write for Stdout {
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 impl fmt::Write for Stdout {
     fn write_str(&mut self, s: &str) -> fmt::Result {
         self.write_all(s.as_bytes()).map_err(|_| fmt::Error)
     }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub fn stderr() -> Stderr {
     Stderr { _0: () }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub fn stdin() -> Stdin {
     Stdin { _0: () }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 pub fn stdout() -> Stdout {
     Stdout { _0: () }
 }

src/lib.rs

@@ -7,9 +7,12 @@
 #![feature(macro_reexport)]
 #![feature(naked_functions)]
 #![feature(raw)]
+#![feature(staged_api)]
 #![feature(unicode)]
 #![no_std]
 
+#![stable(feature = "rust1", since = "1.0.0")]
+
 extern crate alloc;
 #[macro_reexport(vec)]
 extern crate collections as core_collections;
@@ -20,40 +23,75 @@ extern crate sc;
 extern crate std_unicode;
 
 // Public module declarations and reexports
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::any;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::cell;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::clone;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::cmp;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::convert;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::default;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::hash;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::intrinsics;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::iter;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::marker;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::mem;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::ops;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::ptr;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::raw;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::result;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::option;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::isize;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::i8;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::i16;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::i32;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::i64;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::usize;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::u8;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::u16;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::u32;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core::u64;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use alloc::boxed;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use alloc::rc;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core_collections::borrow;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core_collections::fmt;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core_collections::slice;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core_collections::str;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core_collections::string;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use core_collections::vec;
+#[stable(feature = "rust1", since = "1.0.0")]
 pub use std_unicode::char;
 
 #[macro_use]
@@ -72,12 +110,14 @@ mod panicking;
 
 // NOTE These two are "undefined" symbols that LLVM emits but that, AFAIK, we
 // never use
+#[unstable(feature = "steed", issue = "0")]
 #[doc(hidden)]
 #[no_mangle]
 pub unsafe extern "C" fn __aeabi_unwind_cpp_pr0() {
     intrinsics::unreachable()
 }
 
+#[unstable(feature = "steed", issue = "0")]
 #[doc(hidden)]
 #[no_mangle]
 pub unsafe extern "C" fn __aeabi_unwind_cpp_pr1() {

src/macros.rs

@@ -1,8 +1,10 @@
+#[unstable(feature = "steed", issue = "0")]
 #[macro_export]
 macro_rules! print {
    ($($arg:tt)*) => ($crate::io::_print(format_args!($($arg)*)));
 }
 
+#[unstable(feature = "steed", issue = "0")]
 #[macro_export]
 macro_rules! println {
     () => (print!("\n"));

src/rt.rs

@@ -1,8 +1,11 @@
 //! Entry point
 
+#![unstable(feature = "steed", issue = "0")]
+
 use ctypes::c_int;
 use linux;
 
+#[unstable(feature = "steed", issue = "0")]
 #[cfg_attr(any(target_arch = "mips",
                target_arch = "mips64"), export_name = "__start")]
 #[cfg_attr(any(target_arch = "aarch64",
@@ -20,6 +23,7 @@ pub extern "C" fn start() -> ! {
     unsafe { linux::exit(main()) }
 }
 
+#[unstable(feature = "steed", issue = "0")]
 // NOTE needed to get a 16 byte aligned stack. Without this, programs segfault
 // when executing SSE instructions like `movaps` or `movdqa`
 #[cfg(any(target_arch = "x86",