rustup https://github.com/rust-lang/rust/pull/67455

[rust.git] / clippy_lints / src / unsafe_removed_from_name.rs

diff --git a/clippy_lints/src/unsafe_removed_from_name.rs b/clippy_lints/src/unsafe_removed_from_name.rs
index ce07e48eaf0d229ed3e83e3ada29e460d2323aaa..58af6e9d28146491235055263dd67176c6093937 100644 (file)
--- a/clippy_lints/src/unsafe_removed_from_name.rs
+++ b/clippy_lints/src/unsafe_removed_from_name.rs
@@ -1,51 +1,37 @@
-// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-use crate::rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
-use crate::rustc::{declare_tool_lint, lint_array};
-use crate::syntax::ast::*;
-use crate::syntax::source_map::Span;
-use crate::syntax::symbol::LocalInternedString;
 use crate::utils::span_lint;
+use rustc::declare_lint_pass;
+use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
+use rustc_session::declare_tool_lint;
+use syntax::ast::*;
+use syntax::source_map::Span;
+use syntax::symbol::SymbolStr;
 
-/// **What it does:** Checks for imports that remove "unsafe" from an item's
-/// name.
-///
-/// **Why is this bad?** Renaming makes it less clear which traits and
-/// structures are unsafe.
-///
-/// **Known problems:** None.
-///
-/// **Example:**
-/// ```rust,ignore
-/// use std::cell::{UnsafeCell as TotallySafeCell};
-///
-/// extern crate crossbeam;
-/// use crossbeam::{spawn_unsafe as spawn};
-/// ```
 declare_clippy_lint! {
+    /// **What it does:** Checks for imports that remove "unsafe" from an item's
+    /// name.
+    ///
+    /// **Why is this bad?** Renaming makes it less clear which traits and
+    /// structures are unsafe.
+    ///
+    /// **Known problems:** None.
+    ///
+    /// **Example:**
+    /// ```rust,ignore
+    /// use std::cell::{UnsafeCell as TotallySafeCell};
+    ///
+    /// extern crate crossbeam;
+    /// use crossbeam::{spawn_unsafe as spawn};
+    /// ```
     pub UNSAFE_REMOVED_FROM_NAME,
     style,
     "`unsafe` removed from API names on import"
 }
 
-pub struct UnsafeNameRemoval;
-
-impl LintPass for UnsafeNameRemoval {
-    fn get_lints(&self) -> LintArray {
-        lint_array!(UNSAFE_REMOVED_FROM_NAME)
-    }
-}
+declare_lint_pass!(UnsafeNameRemoval => [UNSAFE_REMOVED_FROM_NAME]);
 
 impl EarlyLintPass for UnsafeNameRemoval {
     fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) {
-        if let ItemKind::Use(ref use_tree) = item.node {
+        if let ItemKind::Use(ref use_tree) = item.kind {
             check_use_tree(use_tree, cx, item.span);
         }
     }
@@ -87,6 +73,7 @@ fn unsafe_to_safe_check(old_name: Ident, new_name: Ident, cx: &EarlyContext<'_>,
     }
 }
 
-fn contains_unsafe(name: &LocalInternedString) -> bool {
+#[must_use]
+fn contains_unsafe(name: &SymbolStr) -> bool {
     name.contains("Unsafe") || name.contains("unsafe")
 }