1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 //! This pass just dumps MIR at a specified point.
15 use rustc::ty::TyCtxt;
17 use rustc::mir::transform::{Pass, MirPass, MirPassHook, MirSource};
20 pub struct Marker<'a>(pub &'a str);
22 impl<'b, 'tcx> MirPass<'tcx> for Marker<'b> {
23 fn run_pass<'a>(&mut self, _tcx: TyCtxt<'a, 'tcx, 'tcx>,
24 _src: MirSource, _mir: &mut Mir<'tcx>)
28 impl<'b> Pass for Marker<'b> {
29 fn name(&self) -> ::std::borrow::Cow<'static, str> { String::from(self.0).into() }
32 pub struct Disambiguator<'a> {
37 impl<'a> fmt::Display for Disambiguator<'a> {
38 fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
39 let title = if self.is_after { "after" } else { "before" };
40 if let Some(fmt) = self.pass.disambiguator() {
41 write!(formatter, "{}-{}", fmt, title)
43 write!(formatter, "{}", title)
50 impl<'tcx> MirPassHook<'tcx> for DumpMir {
53 tcx: TyCtxt<'a, 'tcx, 'tcx>,
72 impl<'b> Pass for DumpMir {}