bjoernager/rust
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Closure capture borrow diagnostics for disjoint captures

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This commit is contained in:
Chris Pardy 2021-03-17 02:51:27 -04:00
parent 6e2a34474b
commit 08c4fbcea7
56 changed files with 532 additions and 152 deletions
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11
compiler/rustc_middle/src/mir/mod.rs
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@ -683,6 +683,15 @@ impl BorrowKind {
BorrowKind::Mut { allow_two_phase_borrow } => allow_two_phase_borrow,
}
}
pub fn describe_mutability(&self) -> String {
match *self {
BorrowKind::Shared | BorrowKind::Shallow | BorrowKind::Unique => {
"immutable".to_string()
}
BorrowKind::Mut { .. } => "mutable".to_string(),
}
}
}
///////////////////////////////////////////////////////////////////////////
@ -2369,6 +2378,7 @@ impl<'tcx> Debug for Rvalue<'tcx> {
};
let mut struct_fmt = fmt.debug_struct(&name);
// FIXME: This should be a list of capture names/places
if let Some(upvars) = tcx.upvars_mentioned(def_id) {
for (&var_id, place) in iter::zip(upvars.keys(), places) {
let var_name = tcx.hir().name(var_id);
@ -2388,6 +2398,7 @@ impl<'tcx> Debug for Rvalue<'tcx> {
let name = format!("[generator@{:?}]", tcx.hir().span(hir_id));
let mut struct_fmt = fmt.debug_struct(&name);
// FIXME: This should be a list of capture names/places
if let Some(upvars) = tcx.upvars_mentioned(def_id) {
for (&var_id, place) in iter::zip(upvars.keys(), places) {
let var_name = tcx.hir().name(var_id);