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Auto merge of #10986 - Centri3:undocumented_unsafe_blocks, r=Manishearth
Allow safety comment above attributes Closes #8679 changelog: Enhancement: [`undocumented_safety_block`]: Added `accept-comment-above-attributes` configuration.
This commit is contained in:
bors
commit
8fd021f504
9 changed files with 162 additions and 48 deletions
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@ -5385,4 +5385,5 @@ Released 2018-09-13
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[`allowed-idents-below-min-chars`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allowed-idents-below-min-chars
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[`min-ident-chars-threshold`]: https://doc.rust-lang.org/clippy/lint_configuration.html#min-ident-chars-threshold
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[`accept-comment-above-statement`]: https://doc.rust-lang.org/clippy/lint_configuration.html#accept-comment-above-statement
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[`accept-comment-above-attributes`]: https://doc.rust-lang.org/clippy/lint_configuration.html#accept-comment-above-attributes
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<!-- end autogenerated links to configuration documentation -->
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@ -706,3 +706,13 @@ Whether to accept a safety comment to be placed above the statement containing t
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* [`undocumented_unsafe_blocks`](https://rust-lang.github.io/rust-clippy/master/index.html#undocumented_unsafe_blocks)
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## `accept-comment-above-attributes`
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Whether to accept a safety comment to be placed above the attributes for the `unsafe` block
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**Default Value:** `false` (`bool`)
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---
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**Affected lints:**
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* [`undocumented_unsafe_blocks`](https://rust-lang.github.io/rust-clippy/master/index.html#undocumented_unsafe_blocks)
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@ -930,9 +930,11 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
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))
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});
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let accept_comment_above_statement = conf.accept_comment_above_statement;
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let accept_comment_above_attributes = conf.accept_comment_above_attributes;
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store.register_late_pass(move |_| {
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Box::new(undocumented_unsafe_blocks::UndocumentedUnsafeBlocks::new(
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accept_comment_above_statement,
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accept_comment_above_attributes,
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))
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});
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let allow_mixed_uninlined = conf.allow_mixed_uninlined_format_args;
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@ -95,12 +95,14 @@ declare_clippy_lint! {
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#[derive(Copy, Clone)]
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pub struct UndocumentedUnsafeBlocks {
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accept_comment_above_statement: bool,
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accept_comment_above_attributes: bool,
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}
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impl UndocumentedUnsafeBlocks {
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pub fn new(accept_comment_above_statement: bool) -> Self {
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pub fn new(accept_comment_above_statement: bool, accept_comment_above_attributes: bool) -> Self {
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Self {
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accept_comment_above_statement,
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accept_comment_above_attributes,
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}
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}
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}
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@ -114,7 +116,12 @@ impl<'tcx> LateLintPass<'tcx> for UndocumentedUnsafeBlocks {
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&& !is_lint_allowed(cx, UNDOCUMENTED_UNSAFE_BLOCKS, block.hir_id)
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&& !is_unsafe_from_proc_macro(cx, block.span)
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&& !block_has_safety_comment(cx, block.span)
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&& !block_parents_have_safety_comment(self.accept_comment_above_statement, cx, block.hir_id)
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&& !block_parents_have_safety_comment(
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self.accept_comment_above_statement,
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self.accept_comment_above_attributes,
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cx,
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block.hir_id,
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)
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{
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let source_map = cx.tcx.sess.source_map();
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let span = if source_map.is_multiline(block.span) {
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@ -328,6 +335,7 @@ fn is_unsafe_from_proc_macro(cx: &LateContext<'_>, span: Span) -> bool {
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// has a safety comment
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fn block_parents_have_safety_comment(
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accept_comment_above_statement: bool,
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accept_comment_above_attributes: bool,
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cx: &LateContext<'_>,
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id: hir::HirId,
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) -> bool {
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@ -343,33 +351,77 @@ fn block_parents_have_safety_comment(
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}),
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) = get_parent_node(cx.tcx, expr.hir_id)
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{
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let hir_id = match get_parent_node(cx.tcx, expr.hir_id) {
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Some(Node::Local(hir::Local { hir_id, .. })) => *hir_id,
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Some(Node::Item(hir::Item { owner_id, .. })) => {
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cx.tcx.hir().local_def_id_to_hir_id(owner_id.def_id)
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},
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_ => unreachable!(),
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};
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// if unsafe block is part of a let/const/static statement,
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// and accept_comment_above_statement is set to true
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// we accept the safety comment in the line the precedes this statement.
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accept_comment_above_statement && span_in_body_has_safety_comment(cx, *span)
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accept_comment_above_statement
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&& span_with_attrs_in_body_has_safety_comment(
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cx,
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*span,
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hir_id,
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accept_comment_above_attributes,
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)
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} else {
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!is_branchy(expr) && span_in_body_has_safety_comment(cx, expr.span)
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!is_branchy(expr)
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&& span_with_attrs_in_body_has_safety_comment(
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cx,
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expr.span,
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expr.hir_id,
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accept_comment_above_attributes,
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)
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}
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},
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Node::Stmt(hir::Stmt {
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kind:
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hir::StmtKind::Local(hir::Local { span, .. })
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| hir::StmtKind::Expr(hir::Expr { span, .. })
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| hir::StmtKind::Semi(hir::Expr { span, .. }),
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hir::StmtKind::Local(hir::Local { span, hir_id, .. })
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| hir::StmtKind::Expr(hir::Expr { span, hir_id, .. })
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| hir::StmtKind::Semi(hir::Expr { span, hir_id, .. }),
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..
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})
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| Node::Local(hir::Local { span, .. })
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| Node::Item(hir::Item {
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| Node::Local(hir::Local { span, hir_id, .. }) => {
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span_with_attrs_in_body_has_safety_comment(cx, *span, *hir_id, accept_comment_above_attributes)
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},
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Node::Item(hir::Item {
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kind: hir::ItemKind::Const(..) | ItemKind::Static(..),
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span,
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owner_id,
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..
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}) => span_in_body_has_safety_comment(cx, *span),
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}) => span_with_attrs_in_body_has_safety_comment(
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cx,
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*span,
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cx.tcx.hir().local_def_id_to_hir_id(owner_id.def_id),
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accept_comment_above_attributes,
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),
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_ => false,
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};
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}
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false
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}
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/// Extends `span` to also include its attributes, then checks if that span has a safety comment.
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fn span_with_attrs_in_body_has_safety_comment(
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cx: &LateContext<'_>,
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span: Span,
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hir_id: HirId,
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accept_comment_above_attributes: bool,
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) -> bool {
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let span = if accept_comment_above_attributes {
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include_attrs_in_span(cx, hir_id, span)
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} else {
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span
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};
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span_in_body_has_safety_comment(cx, span)
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}
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/// Checks if an expression is "branchy", e.g. loop, match/if/etc.
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fn is_branchy(expr: &hir::Expr<'_>) -> bool {
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matches!(
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@ -394,6 +446,15 @@ fn block_has_safety_comment(cx: &LateContext<'_>, span: Span) -> bool {
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) || span_in_body_has_safety_comment(cx, span)
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}
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fn include_attrs_in_span(cx: &LateContext<'_>, hir_id: HirId, span: Span) -> Span {
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span.to(cx
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.tcx
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.hir()
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.attrs(hir_id)
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.iter()
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.fold(span, |acc, attr| acc.to(attr.span)))
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}
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enum HasSafetyComment {
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Yes(BytePos),
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No,
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@ -542,6 +542,10 @@ define_Conf! {
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///
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/// Whether to accept a safety comment to be placed above the statement containing the `unsafe` block
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(accept_comment_above_statement: bool = false),
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/// Lint: UNDOCUMENTED_UNSAFE_BLOCKS.
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///
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/// Whether to accept a safety comment to be placed above the attributes for the `unsafe` block
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(accept_comment_above_attributes: bool = false),
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}
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/// Search for the configuration file.
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@ -1,4 +1,5 @@
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error: error reading Clippy's configuration file: unknown field `foobar`, expected one of
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accept-comment-above-attributes
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accept-comment-above-statement
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allow-dbg-in-tests
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allow-expect-in-tests
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@ -66,6 +67,7 @@ LL | foobar = 42
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| ^^^^^^
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error: error reading Clippy's configuration file: unknown field `barfoo`, expected one of
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accept-comment-above-attributes
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accept-comment-above-statement
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allow-dbg-in-tests
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allow-expect-in-tests
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@ -1 +1,2 @@
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accept-comment-above-statement = true
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accept-comment-above-attributes = true
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@ -1,7 +1,8 @@
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//@aux-build:proc_macro_unsafe.rs
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#![warn(clippy::undocumented_unsafe_blocks, clippy::unnecessary_safety_comment)]
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#![allow(clippy::let_unit_value, clippy::missing_safety_doc)]
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#![allow(deref_nullptr, clippy::let_unit_value, clippy::missing_safety_doc)]
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#![feature(lint_reasons)]
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extern crate proc_macro_unsafe;
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@ -531,4 +532,36 @@ fn issue_10832() {
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unsafe { a_const_function_with_a_very_long_name_to_break_the_line() };
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}
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fn issue_8679<T: Copy>() {
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// SAFETY:
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#[allow(unsafe_code)]
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unsafe {}
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// SAFETY:
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#[expect(unsafe_code, reason = "totally safe")]
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unsafe {
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*std::ptr::null::<T>()
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};
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// Safety: A safety comment
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#[allow(unsafe_code)]
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let _some_variable_with_a_very_long_name_to_break_the_line =
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unsafe { a_function_with_a_very_long_name_to_break_the_line() };
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// Safety: Another safety comment
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#[allow(unsafe_code)]
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const _SOME_CONST_WITH_A_VERY_LONG_NAME_TO_BREAK_THE_LINE: u32 =
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unsafe { a_const_function_with_a_very_long_name_to_break_the_line() };
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// Safety: Yet another safety comment
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#[allow(unsafe_code)]
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static _SOME_STATIC_WITH_A_VERY_LONG_NAME_TO_BREAK_THE_LINE: u32 =
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unsafe { a_const_function_with_a_very_long_name_to_break_the_line() };
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// SAFETY:
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#[allow(unsafe_code)]
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// This also works I guess
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unsafe {}
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}
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fn main() {}
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|
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@ -1,5 +1,5 @@
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:262:19
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--> $DIR/undocumented_unsafe_blocks.rs:263:19
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|
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LL | /* Safety: */ unsafe {}
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| ^^^^^^^^^
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@ -8,7 +8,7 @@ LL | /* Safety: */ unsafe {}
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= note: `-D clippy::undocumented-unsafe-blocks` implied by `-D warnings`
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:266:5
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--> $DIR/undocumented_unsafe_blocks.rs:267:5
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|
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LL | unsafe {}
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| ^^^^^^^^^
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@ -16,7 +16,7 @@ LL | unsafe {}
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= help: consider adding a safety comment on the preceding line
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:270:14
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--> $DIR/undocumented_unsafe_blocks.rs:271:14
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|
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LL | let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
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| ^^^^^^^^^^^^^
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@ -24,7 +24,7 @@ LL | let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
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= help: consider adding a safety comment on the preceding line
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:270:29
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--> $DIR/undocumented_unsafe_blocks.rs:271:29
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|
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LL | let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
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| ^^^^^^^^^^^^^
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@ -32,7 +32,7 @@ LL | let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
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= help: consider adding a safety comment on the preceding line
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:270:48
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--> $DIR/undocumented_unsafe_blocks.rs:271:48
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|
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LL | let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
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| ^^^^^^^^^^^^^
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@ -40,7 +40,7 @@ LL | let _ = [unsafe { 14 }, unsafe { 15 }, 42, unsafe { 16 }];
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= help: consider adding a safety comment on the preceding line
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:274:18
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--> $DIR/undocumented_unsafe_blocks.rs:275:18
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|
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LL | let _ = (42, unsafe {}, "test", unsafe {});
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| ^^^^^^^^^
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|
@ -48,7 +48,7 @@ LL | let _ = (42, unsafe {}, "test", unsafe {});
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= help: consider adding a safety comment on the preceding line
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:274:37
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--> $DIR/undocumented_unsafe_blocks.rs:275:37
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|
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LL | let _ = (42, unsafe {}, "test", unsafe {});
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| ^^^^^^^^^
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|
@ -56,7 +56,7 @@ LL | let _ = (42, unsafe {}, "test", unsafe {});
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= help: consider adding a safety comment on the preceding line
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:278:14
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--> $DIR/undocumented_unsafe_blocks.rs:279:14
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|
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LL | let _ = *unsafe { &42 };
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| ^^^^^^^^^^^^^^
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|
@ -64,7 +64,7 @@ LL | let _ = *unsafe { &42 };
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= help: consider adding a safety comment on the preceding line
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:283:19
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--> $DIR/undocumented_unsafe_blocks.rs:284:19
|
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|
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LL | let _ = match unsafe {} {
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| ^^^^^^^^^
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|
|
@ -72,7 +72,7 @@ LL | let _ = match unsafe {} {
|
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= help: consider adding a safety comment on the preceding line
|
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error: unsafe block missing a safety comment
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--> $DIR/undocumented_unsafe_blocks.rs:289:14
|
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--> $DIR/undocumented_unsafe_blocks.rs:290:14
|
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|
|
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LL | let _ = &unsafe {};
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| ^^^^^^^^^
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|
|
@ -80,7 +80,7 @@ LL | let _ = &unsafe {};
|
|||
= help: consider adding a safety comment on the preceding line
|
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|
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error: unsafe block missing a safety comment
|
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--> $DIR/undocumented_unsafe_blocks.rs:293:14
|
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--> $DIR/undocumented_unsafe_blocks.rs:294:14
|
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|
|
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LL | let _ = [unsafe {}; 5];
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| ^^^^^^^^^
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|
|
@ -88,7 +88,7 @@ LL | let _ = [unsafe {}; 5];
|
|||
= help: consider adding a safety comment on the preceding line
|
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|
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error: unsafe block missing a safety comment
|
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--> $DIR/undocumented_unsafe_blocks.rs:297:13
|
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--> $DIR/undocumented_unsafe_blocks.rs:298:13
|
||||
|
|
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LL | let _ = unsafe {};
|
||||
| ^^^^^^^^^
|
||||
|
|
@ -96,7 +96,7 @@ LL | let _ = unsafe {};
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
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error: unsafe block missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:307:8
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:308:8
|
||||
|
|
||||
LL | t!(unsafe {});
|
||||
| ^^^^^^^^^
|
||||
|
|
@ -104,7 +104,7 @@ LL | t!(unsafe {});
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe block missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:313:13
|
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--> $DIR/undocumented_unsafe_blocks.rs:314:13
|
||||
|
|
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LL | unsafe {}
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||||
| ^^^^^^^^^
|
||||
|
|
@ -116,7 +116,7 @@ LL | t!();
|
|||
= note: this error originates in the macro `t` (in Nightly builds, run with -Z macro-backtrace for more info)
|
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|
||||
error: unsafe block missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:321:5
|
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--> $DIR/undocumented_unsafe_blocks.rs:322:5
|
||||
|
|
||||
LL | unsafe {} // SAFETY:
|
||||
| ^^^^^^^^^
|
||||
|
|
@ -124,7 +124,7 @@ LL | unsafe {} // SAFETY:
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe block missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:325:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:326:5
|
||||
|
|
||||
LL | unsafe {
|
||||
| ^^^^^^^^
|
||||
|
|
@ -132,7 +132,7 @@ LL | unsafe {
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe block missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:335:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:336:5
|
||||
|
|
||||
LL | unsafe {};
|
||||
| ^^^^^^^^^
|
||||
|
|
@ -140,7 +140,7 @@ LL | unsafe {};
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe block missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:339:20
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:340:20
|
||||
|
|
||||
LL | println!("{}", unsafe { String::from_utf8_unchecked(vec![]) });
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -148,7 +148,7 @@ LL | println!("{}", unsafe { String::from_utf8_unchecked(vec![]) });
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:346:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:347:5
|
||||
|
|
||||
LL | unsafe impl A for () {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -156,7 +156,7 @@ LL | unsafe impl A for () {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:353:9
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:354:9
|
||||
|
|
||||
LL | unsafe impl B for (u32) {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -164,7 +164,7 @@ LL | unsafe impl B for (u32) {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:374:13
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:375:13
|
||||
|
|
||||
LL | unsafe impl T for $t {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -176,7 +176,7 @@ LL | no_safety_comment!(());
|
|||
= note: this error originates in the macro `no_safety_comment` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:399:13
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:400:13
|
||||
|
|
||||
LL | unsafe impl T for $t {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -188,7 +188,7 @@ LL | no_safety_comment!(());
|
|||
= note: this error originates in the macro `no_safety_comment` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:407:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:408:5
|
||||
|
|
||||
LL | unsafe impl T for (i32) {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -196,7 +196,7 @@ LL | unsafe impl T for (i32) {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:399:13
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:400:13
|
||||
|
|
||||
LL | unsafe impl T for $t {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -208,7 +208,7 @@ LL | no_safety_comment!(u32);
|
|||
= note: this error originates in the macro `no_safety_comment` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:413:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:414:5
|
||||
|
|
||||
LL | unsafe impl T for (bool) {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -216,7 +216,7 @@ LL | unsafe impl T for (bool) {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:459:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:460:5
|
||||
|
|
||||
LL | unsafe impl NoComment for () {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -224,7 +224,7 @@ LL | unsafe impl NoComment for () {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:463:19
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:464:19
|
||||
|
|
||||
LL | /* SAFETY: */ unsafe impl InlineComment for () {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -232,7 +232,7 @@ LL | /* SAFETY: */ unsafe impl InlineComment for () {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:467:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:468:5
|
||||
|
|
||||
LL | unsafe impl TrailingComment for () {} // SAFETY:
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -240,20 +240,20 @@ LL | unsafe impl TrailingComment for () {} // SAFETY:
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: constant item has unnecessary safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:471:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:472:5
|
||||
|
|
||||
LL | const BIG_NUMBER: i32 = 1000000;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
||||
help: consider removing the safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:470:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:471:5
|
||||
|
|
||||
LL | // SAFETY:
|
||||
| ^^^^^^^^^^
|
||||
= note: `-D clippy::unnecessary-safety-comment` implied by `-D warnings`
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:472:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:473:5
|
||||
|
|
||||
LL | unsafe impl Interference for () {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -261,7 +261,7 @@ LL | unsafe impl Interference for () {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:479:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:480:5
|
||||
|
|
||||
LL | unsafe impl ImplInFn for () {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -269,7 +269,7 @@ LL | unsafe impl ImplInFn for () {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe impl missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:488:1
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:489:1
|
||||
|
|
||||
LL | unsafe impl CrateRoot for () {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -277,7 +277,7 @@ LL | unsafe impl CrateRoot for () {}
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: statement has unnecessary safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:501:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:502:5
|
||||
|
|
||||
LL | / let _ = {
|
||||
LL | | if unsafe { true } {
|
||||
|
|
@ -289,13 +289,13 @@ LL | | };
|
|||
| |______^
|
||||
|
|
||||
help: consider removing the safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:500:5
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:501:5
|
||||
|
|
||||
LL | // SAFETY: this is more than one level away, so it should warn
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unsafe block missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:502:12
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:503:12
|
||||
|
|
||||
LL | if unsafe { true } {
|
||||
| ^^^^^^^^^^^^^^^
|
||||
|
|
@ -303,7 +303,7 @@ LL | if unsafe { true } {
|
|||
= help: consider adding a safety comment on the preceding line
|
||||
|
||||
error: unsafe block missing a safety comment
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:505:23
|
||||
--> $DIR/undocumented_unsafe_blocks.rs:506:23
|
||||
|
|
||||
LL | let bar = unsafe {};
|
||||
| ^^^^^^^^^
|
||||
|
|
|
|||
Loading…
Reference in a new issue