//! checks for attributes
use crate::reexport::*;
-use crate::utils::sym;
use crate::utils::{
- in_macro_or_desugar, is_present_in_source, last_line_of_span, match_def_path, paths, snippet_opt, span_lint,
- span_lint_and_sugg, span_lint_and_then, without_block_comments,
+ is_present_in_source, last_line_of_span, match_def_path, paths, snippet_opt, span_lint, span_lint_and_sugg,
+ span_lint_and_then, without_block_comments,
};
use if_chain::if_chain;
use rustc::hir::*;
use semver::Version;
use syntax::ast::{AttrStyle, Attribute, Lit, LitKind, MetaItemKind, NestedMetaItem};
use syntax::source_map::Span;
-use syntax::symbol::Symbol;
+use syntax_pos::symbol::Symbol;
declare_clippy_lint! {
/// **What it does:** Checks for items annotated with `#[inline(always)]`,
/// **What it does:** Checks for `extern crate` and `use` items annotated with
/// lint attributes.
///
- /// This lint whitelists `#[allow(unused_imports)]` and `#[allow(deprecated)]` on
- /// `use` items and `#[allow(unused_imports)]` on `extern crate` items with a
- /// `#[macro_use]` attribute.
+ /// This lint whitelists `#[allow(unused_imports)]`, `#[allow(deprecated)]` and
+ /// `#[allow(unreachable_pub)]` on `use` items and `#[allow(unused_imports)]` on
+ /// `extern crate` items with a `#[macro_use]` attribute.
///
/// **Why is this bad?** Lint attributes have no effect on crate imports. Most
/// likely a `!` was forgotten.
///
/// **Example:**
/// ```rust
- /// // Bad
- /// #[inline(always)]
- ///
- /// fn not_quite_good_code(..) { ... }
- ///
/// // Good (as inner attribute)
/// #![inline(always)]
///
- /// fn this_is_fine(..) { ... }
+ /// fn this_is_fine() { }
+ ///
+ /// // Bad
+ /// #[inline(always)]
+ ///
+ /// fn not_quite_good_code() { }
///
/// // Good (as outer attribute)
/// #[inline(always)]
- /// fn this_is_fine_too(..) { ... }
+ /// fn this_is_fine_too() { }
/// ```
pub EMPTY_LINE_AFTER_OUTER_ATTR,
nursery,
declare_clippy_lint! {
/// **What it does:** Checks for `allow`/`warn`/`deny`/`forbid` attributes with scoped clippy
- /// lints and if those lints exist in clippy. If there is a uppercase letter in the lint name
+ /// lints and if those lints exist in clippy. If there is an uppercase letter in the lint name
/// (not the tool name) and a lowercase version of this lint exists, it will suggest to lowercase
/// the lint name.
///
},
_ => {},
}
- if items.is_empty() || !attr.check_name(*sym::deprecated) {
+ if items.is_empty() || !attr.check_name(sym!(deprecated)) {
return;
}
for item in items {
if_chain! {
if let NestedMetaItem::MetaItem(mi) = &item;
if let MetaItemKind::NameValue(lit) = &mi.node;
- if mi.check_name(*sym::since);
+ if mi.check_name(sym!(since));
then {
check_semver(cx, item.span(), lit);
}
}
match item.node {
ItemKind::ExternCrate(..) | ItemKind::Use(..) => {
- let skip_unused_imports = item.attrs.iter().any(|attr| attr.check_name(*sym::macro_use));
+ let skip_unused_imports = item.attrs.iter().any(|attr| attr.check_name(sym!(macro_use)));
for attr in &item.attrs {
if in_external_macro(cx.sess(), attr.span) {
if let Some(ident) = attr.ident() {
match &*ident.as_str() {
"allow" | "warn" | "deny" | "forbid" => {
- // whitelist `unused_imports` and `deprecated` for `use` items
+ // whitelist `unused_imports`, `deprecated` and `unreachable_pub` for `use` items
// and `unused_imports` for `extern crate` items with `macro_use`
for lint in lint_list {
match item.node {
ItemKind::Use(..) => {
- if is_word(lint, *sym::unused_imports)
- || is_word(lint, *sym::deprecated)
+ if is_word(lint, sym!(unused_imports))
+ || is_word(lint, sym!(deprecated))
+ || is_word(lint, sym!(unreachable_pub))
{
return;
}
},
ItemKind::ExternCrate(..) => {
- if is_word(lint, *sym::unused_imports) && skip_unused_imports {
+ if is_word(lint, sym!(unused_imports)) && skip_unused_imports {
return;
}
- if is_word(lint, *sym::unused_extern_crates) {
+ if is_word(lint, sym!(unused_extern_crates)) {
return;
}
},
line_span,
"if you just forgot a `!`, use",
sugg,
- Applicability::MachineApplicable,
+ Applicability::MaybeIncorrect,
);
},
);
let name = meta_item.path.segments.last().unwrap().ident.name;
if let CheckLintNameResult::Tool(Err((None, _))) = lint_store.check_lint_name(
&name.as_str(),
- Some(tool_name.as_str()),
+ Some(tool_name.name),
);
then {
span_lint_and_then(
let name_lower = name.as_str().to_lowercase();
match lint_store.check_lint_name(
&name_lower,
- Some(tool_name.as_str())
+ Some(tool_name.name)
) {
// FIXME: can we suggest similar lint names here?
// https://github.com/rust-lang/rust/pull/56992
ExprKind::Call(path_expr, _) => {
if let ExprKind::Path(qpath) = &path_expr.node {
if let Some(fun_id) = tables.qpath_res(qpath, path_expr.hir_id).opt_def_id() {
- !match_def_path(cx, fun_id, &*paths::BEGIN_PANIC)
+ !match_def_path(cx, fun_id, &paths::BEGIN_PANIC)
} else {
true
}
}
fn check_attrs(cx: &LateContext<'_, '_>, span: Span, name: Name, attrs: &[Attribute]) {
- if in_macro_or_desugar(span) {
+ if span.from_expansion() {
return;
}
}
if let Some(values) = attr.meta_item_list() {
- if values.len() != 1 || !attr.check_name(*sym::inline) {
+ if values.len() != 1 || !attr.check_name(sym!(inline)) {
continue;
}
- if is_word(&values[0], *sym::always) {
+ if is_word(&values[0], sym!(always)) {
span_lint(
cx,
INLINE_ALWAYS,
fn check_attribute(&mut self, cx: &EarlyContext<'_>, attr: &Attribute) {
if_chain! {
// check cfg_attr
- if attr.check_name(*sym::cfg_attr);
+ if attr.check_name(sym!(cfg_attr));
if let Some(items) = attr.meta_item_list();
if items.len() == 2;
// check for `rustfmt`
if let Some(feature_item) = items[0].meta_item();
- if feature_item.check_name(*sym::rustfmt);
+ if feature_item.check_name(sym!(rustfmt));
// check for `rustfmt_skip` and `rustfmt::skip`
if let Some(skip_item) = &items[1].meta_item();
- if skip_item.check_name(*sym::rustfmt_skip) ||
- skip_item.path.segments.last().expect("empty path in attribute").ident.name == *sym::skip;
+ if skip_item.check_name(sym!(rustfmt_skip)) ||
+ skip_item.path.segments.last().expect("empty path in attribute").ident.name == sym!(skip);
// Only lint outer attributes, because custom inner attributes are unstable
// Tracking issue: https://github.com/rust-lang/rust/issues/54726
if let AttrStyle::Outer = attr.style;
projects / rust.git / blobdiff