bjoernager/rust
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Implement .use keyword as an alias of clone

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This commit is contained in:
Santiago Pastorino 2024-10-02 16:35:37 -03:00
parent 0cf8dbc96c
commit 05c516446a
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GPG key ID: 8131A24E0C79EFAF
36 changed files with 247 additions and 24 deletions
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3
compiler/rustc_ast/src/ast.rs
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@ -1399,6 +1399,7 @@ impl Expr {
// Never need parens
ExprKind::Array(_)
| ExprKind::Await(..)
| ExprKind::Use(..)
| ExprKind::Block(..)
| ExprKind::Call(..)
| ExprKind::ConstBlock(_)
@ -1588,6 +1589,8 @@ pub enum ExprKind {
Gen(CaptureBy, P<Block>, GenBlockKind, Span),
/// An await expression (`my_future.await`). Span is of await keyword.
Await(P<Expr>, Span),
/// A use expression (`x.use`). Span is of use keyword.
Use(P<Expr>, Span),
/// A try block (`try { ... }`).
TryBlock(P<Block>),

4
compiler/rustc_ast/src/mut_visit.rs
View file

@ -1745,6 +1745,10 @@ pub fn walk_expr<T: MutVisitor>(vis: &mut T, Expr { kind, id, span, attrs, token
vis.visit_expr(expr);
vis.visit_span(await_kw_span);
}
ExprKind::Use(expr, use_kw_span) => {
vis.visit_expr(expr);
vis.visit_span(use_kw_span);
}
ExprKind::Assign(el, er, span) => {
vis.visit_expr(el);
vis.visit_expr(er);

2
compiler/rustc_ast/src/util/classify.rs
View file

@ -108,6 +108,7 @@ pub fn leading_labeled_expr(mut expr: &ast::Expr) -> bool {
Assign(e, _, _)
| AssignOp(_, e, _)
| Await(e, _)
| Use(e, _)
| Binary(_, e, _)
| Call(e, _)
| Cast(e, _)
@ -224,6 +225,7 @@ pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<TrailingBrace<'_>> {
| Lit(_)
| Type(_, _)
| Await(_, _)
| Use(_, _)
| Field(_, _)
| Index(_, _, _)
| Underscore

1
compiler/rustc_ast/src/visit.rs
View file

@ -1211,6 +1211,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
}
ExprKind::Gen(_capt, body, _kind, _decl_span) => try_visit!(visitor.visit_block(body)),
ExprKind::Await(expr, _span) => try_visit!(visitor.visit_expr(expr)),
ExprKind::Use(expr, _span) => try_visit!(visitor.visit_expr(expr)),
ExprKind::Assign(lhs, rhs, _span) => {
try_visit!(visitor.visit_expr(lhs));
try_visit!(visitor.visit_expr(rhs));