bjoernager/rust
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Add loop head span to hir

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This commit is contained in:
Esteban Küber 2021-01-20 17:15:08 -08:00
parent a701ff981d
commit 060dba67b7
15 changed files with 35 additions and 25 deletions
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4
compiler/rustc_hir/src/hir.rs
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@ -1617,7 +1617,9 @@ pub enum ExprKind<'hir> {
/// A conditionless loop (can be exited with `break`, `continue`, or `return`).
///
/// I.e., `'label: loop { <block> }`.
Loop(&'hir Block<'hir>, Option<Label>, LoopSource),
///
/// The `Span` is the loop header (`for x in y`/`while let pat = expr`).
Loop(&'hir Block<'hir>, Option<Label>, LoopSource, Span),
/// A `match` block, with a source that indicates whether or not it is
/// the result of a desugaring, and if so, which kind.
Match(&'hir Expr<'hir>, &'hir [Arm<'hir>], MatchSource),

2
compiler/rustc_hir/src/intravisit.rs
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@ -1151,7 +1151,7 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>)
visitor.visit_expr(then);
walk_list!(visitor, visit_expr, else_opt);
}
ExprKind::Loop(ref block, ref opt_label, _) => {
ExprKind::Loop(ref block, ref opt_label, _, _) => {
walk_list!(visitor, visit_label, opt_label);
visitor.visit_block(block);
}