| // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Regression test for issue #27583. Unclear how useful this will be |
| // going forward, since the issue in question was EXTREMELY sensitive |
| // to compiler internals (like the precise numbering of nodes), but |
| // what the hey. |
| |
| #![allow(warnings)] |
| |
| use std::cell::Cell; |
| use std::marker::PhantomData; |
| |
| pub trait Delegate<'tcx> { } |
| |
| pub struct InferCtxt<'a, 'tcx: 'a> { |
| x: PhantomData<&'a Cell<&'tcx ()>> |
| } |
| |
| pub struct MemCategorizationContext<'t, 'a: 't, 'tcx : 'a> { |
| x: &'t InferCtxt<'a, 'tcx>, |
| } |
| |
| pub struct ExprUseVisitor<'d, 't, 'a: 't, 'tcx:'a+'d> { |
| typer: &'t InferCtxt<'a, 'tcx>, |
| mc: MemCategorizationContext<'t, 'a, 'tcx>, |
| delegate: &'d mut (Delegate<'tcx>+'d), |
| } |
| |
| impl<'d,'t,'a,'tcx> ExprUseVisitor<'d,'t,'a,'tcx> { |
| pub fn new(delegate: &'d mut Delegate<'tcx>, |
| typer: &'t InferCtxt<'a, 'tcx>) |
| -> ExprUseVisitor<'d,'t,'a,'tcx> |
| { |
| ExprUseVisitor { |
| typer: typer, |
| mc: MemCategorizationContext::new(typer), |
| delegate: delegate, |
| } |
| } |
| } |
| |
| impl<'t, 'a,'tcx> MemCategorizationContext<'t, 'a, 'tcx> { |
| pub fn new(typer: &'t InferCtxt<'a, 'tcx>) -> MemCategorizationContext<'t, 'a, 'tcx> { |
| MemCategorizationContext { x: typer } |
| } |
| } |
| |
| fn main() { } |