54 lines
1.4 KiB
Rust
54 lines
1.4 KiB
Rust
// Copyright 2012 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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// Some basic logging
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macro_rules! rtdebug_ (
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($( $arg:expr),+) => ( {
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dumb_println(fmt!( $($arg),+ ));
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fn dumb_println(s: &str) {
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use io::WriterUtil;
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let dbg = ::libc::STDERR_FILENO as ::io::fd_t;
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dbg.write_str(s);
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dbg.write_str("\n");
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}
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} )
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)
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// An alternate version with no output, for turning off logging
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macro_rules! rtdebug (
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($( $arg:expr),+) => ( $(let _ = $arg)*; )
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)
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macro_rules! rtassert (
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( $arg:expr ) => ( {
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if !$arg {
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abort!("assertion failed: %s", stringify!($arg));
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}
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} )
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)
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macro_rules! abort(
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($( $msg:expr),+) => ( {
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rtdebug!($($msg),+);
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do_abort();
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// NB: This is in a fn to avoid putting the `unsafe` block in a macro,
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// which causes spurious 'unnecessary unsafe block' warnings.
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fn do_abort() -> ! {
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unsafe { ::libc::abort(); }
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}
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} )
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)
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