e67b2bf732
This change is needed for the uninlined_format-args lint to be merged. See https://github.com/rust-lang/rust-clippy/pull/9233
38 lines
1.2 KiB
Rust
38 lines
1.2 KiB
Rust
use clippy_utils::diagnostics::span_lint_and_sugg;
|
|
use clippy_utils::is_no_std_crate;
|
|
use clippy_utils::source::snippet_with_context;
|
|
use rustc_errors::Applicability;
|
|
use rustc_hir::{BorrowKind, Expr, ExprKind, Mutability, Ty, TyKind};
|
|
use rustc_lint::LateContext;
|
|
|
|
use super::BORROW_AS_PTR;
|
|
|
|
pub(super) fn check<'tcx>(
|
|
cx: &LateContext<'tcx>,
|
|
expr: &'tcx Expr<'_>,
|
|
cast_expr: &'tcx Expr<'_>,
|
|
cast_to: &'tcx Ty<'_>,
|
|
) {
|
|
if matches!(cast_to.kind, TyKind::Ptr(_))
|
|
&& let ExprKind::AddrOf(BorrowKind::Ref, mutability, e) = cast_expr.kind
|
|
{
|
|
let core_or_std = if is_no_std_crate(cx) { "core" } else { "std" };
|
|
let macro_name = match mutability {
|
|
Mutability::Not => "addr_of",
|
|
Mutability::Mut => "addr_of_mut",
|
|
};
|
|
let mut app = Applicability::MachineApplicable;
|
|
let snip = snippet_with_context(cx, e.span, cast_expr.span.ctxt(), "..", &mut app).0;
|
|
|
|
span_lint_and_sugg(
|
|
cx,
|
|
BORROW_AS_PTR,
|
|
expr.span,
|
|
"borrow as raw pointer",
|
|
"try",
|
|
format!("{core_or_std}::ptr::{macro_name}!({snip})"),
|
|
Applicability::MachineApplicable,
|
|
);
|
|
}
|
|
}
|