6cad8f4f14
* vec::raw::to_ptr is gone * Pausible => Pausable * Removing @ * Calling the main task "<main>" * Removing unused imports * Removing unused mut * Bringing some libextra tests up to date * Allowing compiletest to work at stage0 * Fixing the bootstrap-from-c rmake tests * assert => rtassert in a few cases * printing to stderr instead of stdout in fail!()
47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[macro_escape];
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use std::fmt;
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macro_rules! uverrln (
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($($arg:tt)*) => ( {
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format_args!(::macros::dumb_println, $($arg)*)
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} )
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)
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// Some basic logging. Enabled by passing `--cfg uvdebug` to the libstd build.
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macro_rules! uvdebug (
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($($arg:tt)*) => ( {
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if cfg!(uvdebug) {
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uverrln!($($arg)*)
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}
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})
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)
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pub fn dumb_println(args: &fmt::Arguments) {
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use std::io;
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use std::libc;
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struct Stderr;
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impl io::Writer for Stderr {
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fn write(&mut self, data: &[u8]) {
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unsafe {
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libc::write(libc::STDERR_FILENO,
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data.as_ptr() as *libc::c_void,
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data.len() as libc::size_t);
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}
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}
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}
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let mut w = Stderr;
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fmt::writeln(&mut w as &mut io::Writer, args);
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}
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