47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
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// Copyright 2017 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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use rustc::ty::TyCtxt;
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use rustc::mir::Mir;
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use rustc::mir::visit::MutVisitor;
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use rustc::mir::transform::{MirPass, MirSource};
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#[allow(dead_code)]
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struct NLLVisitor<'a, 'tcx: 'a> {
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tcx: TyCtxt<'a, 'tcx, 'tcx>,
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}
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impl<'a, 'tcx> NLLVisitor<'a, 'tcx> {
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pub fn new(tcx: TyCtxt<'a, 'tcx, 'tcx>) -> Self {
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NLLVisitor {
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tcx: tcx
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}
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}
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}
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impl<'a, 'tcx> MutVisitor<'tcx> for NLLVisitor<'a, 'tcx> {
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// FIXME: Nashenas88: implement me!
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}
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// MIR Pass for non-lexical lifetimes
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pub struct NLL;
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impl MirPass for NLL {
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fn run_pass<'a, 'tcx>(&self,
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tcx: TyCtxt<'a, 'tcx, 'tcx>,
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_: MirSource,
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mir: &mut Mir<'tcx>) {
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if tcx.sess.opts.debugging_opts.nll {
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// Clone mir so we can mutate it without disturbing the rest
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// of the compiler
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NLLVisitor::new(tcx).visit_mir(&mut mir.clone());
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}
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}
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}
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