bjoernager/rust
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Add ErrorGuaranteed to ast::ExprKind::Err

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Lieselotte 2024-02-25 22:22:11 +01:00
parent a3fce72a27
commit c440a5b814
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GPG key ID: 43A6A32F83A6F9B1
37 changed files with 660 additions and 602 deletions
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4
compiler/rustc_ast/src/ast.rs
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@ -1296,7 +1296,7 @@ impl Expr {
ExprKind::Yeet(..) => ExprPrecedence::Yeet,
ExprKind::FormatArgs(..) => ExprPrecedence::FormatArgs,
ExprKind::Become(..) => ExprPrecedence::Become,
ExprKind::Err | ExprKind::Dummy => ExprPrecedence::Err,
ExprKind::Err(_) | ExprKind::Dummy => ExprPrecedence::Err,
}
}
@ -1518,7 +1518,7 @@ pub enum ExprKind {
FormatArgs(P<FormatArgs>),
/// Placeholder for an expression that wasn't syntactically well formed in some way.
Err,
Err(ErrorGuaranteed),
/// Acts as a null expression. Lowering it will always emit a bug.
Dummy,

2
compiler/rustc_ast/src/mut_visit.rs
View file

@ -1526,7 +1526,7 @@ pub fn noop_visit_expr<T: MutVisitor>(
}
ExprKind::Try(expr) => vis.visit_expr(expr),
ExprKind::TryBlock(body) => vis.visit_block(body),
ExprKind::Lit(_) | ExprKind::IncludedBytes(..) | ExprKind::Err | ExprKind::Dummy => {}
ExprKind::Lit(_) | ExprKind::IncludedBytes(..) | ExprKind::Err(_) | ExprKind::Dummy => {}
}
vis.visit_id(id);
vis.visit_span(span);

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

@ -89,7 +89,7 @@ pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<&ast::Expr> {
| Paren(_)
| Try(_)
| Yeet(None)
| Err
| Err(_)
| Dummy => break None,
}
}

2
compiler/rustc_ast/src/visit.rs
View file

@ -1063,7 +1063,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
}
ExprKind::Try(subexpression) => try_visit!(visitor.visit_expr(subexpression)),
ExprKind::TryBlock(body) => try_visit!(visitor.visit_block(body)),
ExprKind::Lit(_) | ExprKind::IncludedBytes(..) | ExprKind::Err | ExprKind::Dummy => {}
ExprKind::Lit(_) | ExprKind::IncludedBytes(..) | ExprKind::Err(_) | ExprKind::Dummy => {}
}
visitor.visit_expr_post(expression)