1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
//! This pass just dumps MIR at a specified point.
use std::borrow::Cow;
use std::fmt;
use std::fs::File;
use std::io;
use crate::transform::MirPass;
use crate::util as mir_util;
use rustc_middle::mir::Body;
use rustc_middle::ty::TyCtxt;
use rustc_session::config::{OutputFilenames, OutputType};
pub struct Marker(pub &'static str);
impl<'tcx> MirPass<'tcx> for Marker {
fn name(&self) -> Cow<'_, str> {
Cow::Borrowed(self.0)
}
fn run_pass(&self, _tcx: TyCtxt<'tcx>, _body: &mut Body<'tcx>) {}
}
pub struct Disambiguator {
is_after: bool,
}
impl fmt::Display for Disambiguator {
fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
let title = if self.is_after { "after" } else { "before" };
write!(formatter, "{}", title)
}
}
pub fn on_mir_pass<'tcx>(
tcx: TyCtxt<'tcx>,
pass_num: &dyn fmt::Display,
pass_name: &str,
body: &Body<'tcx>,
is_after: bool,
) {
if mir_util::dump_enabled(tcx, pass_name, body.source.def_id()) {
mir_util::dump_mir(
tcx,
Some(pass_num),
pass_name,
&Disambiguator { is_after },
body,
|_, _| Ok(()),
);
}
}
pub fn emit_mir(tcx: TyCtxt<'_>, outputs: &OutputFilenames) -> io::Result<()> {
let path = outputs.path(OutputType::Mir);
let mut f = io::BufWriter::new(File::create(&path)?);
mir_util::write_mir_pretty(tcx, None, &mut f)?;
Ok(())
}
|
