2012-12-03 18:48:01 -06:00
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// 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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2012-07-04 16:53:12 -05:00
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//! Logging
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2012-01-13 15:20:11 -06:00
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2013-03-05 13:57:50 -06:00
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pub mod rustrt {
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use libc;
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pub extern {
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unsafe fn rust_log_console_on();
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unsafe fn rust_log_console_off();
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unsafe fn rust_log_str(level: u32,
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string: *libc::c_char,
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size: libc::size_t);
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}
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2012-01-13 15:20:11 -06:00
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}
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2012-07-04 16:53:12 -05:00
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/// Turns on logging to stdout globally
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2012-09-26 18:26:19 -05:00
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pub fn console_on() {
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2013-01-10 23:23:07 -06:00
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unsafe {
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rustrt::rust_log_console_on();
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}
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2012-01-13 15:20:11 -06:00
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}
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2012-07-04 16:53:12 -05:00
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/**
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* Turns off logging to stdout globally
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*
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* Turns off the console unless the user has overridden the
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* runtime environment's logging spec, e.g. by setting
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* the RUST_LOG environment variable
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*/
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2012-09-26 18:26:19 -05:00
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pub fn console_off() {
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2013-01-10 23:23:07 -06:00
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unsafe {
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rustrt::rust_log_console_off();
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}
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2012-09-25 14:17:20 -05:00
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}
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#[cfg(notest)]
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#[lang="log_type"]
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pub fn log_type<T>(level: u32, object: &T) {
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2013-02-28 10:57:33 -06:00
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use cast::transmute;
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use io;
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2013-03-22 21:26:32 -05:00
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use libc;
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2013-02-28 10:57:33 -06:00
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use repr;
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use vec;
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2012-10-18 11:14:11 -05:00
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let bytes = do io::with_bytes_writer |writer| {
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2012-09-25 14:17:20 -05:00
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repr::write_repr(writer, object);
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};
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unsafe {
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let len = bytes.len() as libc::size_t;
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rustrt::rust_log_str(level, transmute(vec::raw::to_ptr(bytes)), len);
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}
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}
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