1 //===--- DeleteNullPointerCheck.h - clang-tidy-------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_DELETE_NULL_POINTER_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_DELETE_NULL_POINTER_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang {
15 namespace tidy {
16 namespace readability {
17 
18 /// Check whether the 'if' statement is unnecessary before calling 'delete' on a
19 /// pointer.
20 ///
21 /// For the user-facing documentation see:
22 /// http://clang.llvm.org/extra/clang-tidy/checks/readability-delete-null-pointer.html
23 class DeleteNullPointerCheck : public ClangTidyCheck {
24 public:
DeleteNullPointerCheck(StringRef Name,ClangTidyContext * Context)25   DeleteNullPointerCheck(StringRef Name, ClangTidyContext *Context)
26       : ClangTidyCheck(Name, Context) {}
27   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
28   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
getCheckTraversalKind()29   llvm::Optional<TraversalKind> getCheckTraversalKind() const override {
30     return TK_IgnoreUnlessSpelledInSource;
31   }
32 };
33 
34 } // namespace readability
35 } // namespace tidy
36 } // namespace clang
37 
38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_DELETE_NULL_POINTER_H
39