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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. //! Macros used by the runtime. //! //! These macros call functions which are only accessible in the `rt` module, so //! they aren't defined anywhere outside of the `rt` module. #![macro_escape] macro_rules! rterrln { ($fmt:expr $($arg:tt)*) => ( { ::rt::util::dumb_print(format_args!(concat!($fmt, "\n") $($arg)*)) } ) } // Some basic logging. Enabled by passing `--cfg rtdebug` to the libstd build. macro_rules! rtdebug { ($($arg:tt)*) => ( { if cfg!(rtdebug) { rterrln!($($arg)*) } }) } macro_rules! rtassert { ( $arg:expr ) => ( { if ::rt::util::ENFORCE_SANITY { if !$arg { rtabort!(" assertion failed: {}", stringify!($arg)); } } } ) } macro_rules! rtabort { ($($arg:tt)*) => (::rt::util::abort(format_args!($($arg)*))) }