39 lines
1 KiB
Rust
39 lines
1 KiB
Rust
//! This pass just dumps MIR at a specified point.
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use std::fs::File;
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use std::io;
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use rustc_middle::mir::{Body, write_mir_pretty};
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use rustc_middle::ty::TyCtxt;
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use rustc_session::config::{OutFileName, OutputType};
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pub(super) struct Marker(pub &'static str);
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impl<'tcx> crate::MirPass<'tcx> for Marker {
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fn name(&self) -> &'static str {
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self.0
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}
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fn run_pass(&self, _tcx: TyCtxt<'tcx>, _body: &mut Body<'tcx>) {}
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fn is_required(&self) -> bool {
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false
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}
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}
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pub fn emit_mir(tcx: TyCtxt<'_>) -> io::Result<()> {
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match tcx.output_filenames(()).path(OutputType::Mir) {
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OutFileName::Stdout => {
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let mut f = io::stdout();
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write_mir_pretty(tcx, None, &mut f)?;
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}
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OutFileName::Real(path) => {
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let mut f = File::create_buffered(&path)?;
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write_mir_pretty(tcx, None, &mut f)?;
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if tcx.sess.opts.json_artifact_notifications {
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tcx.dcx().emit_artifact_notification(&path, "mir");
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}
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}
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}
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Ok(())
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}
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