blob: e11bd627614f97e48678371f681f510eec8aa624 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
//===--- ContainerDataPointerCheck.h - clang-tidy ---------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERDATAPOINTERCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERDATAPOINTERCHECK_H
#include "../ClangTidyCheck.h"
namespace clang {
namespace tidy {
namespace readability {
/// Checks whether a call to `operator[]` and `&` can be replaced with a call to
/// `data()`.
///
/// This only replaces the case where the offset being accessed through the
/// subscript operation is a known constant 0. This avoids a potential invalid
/// memory access when the container is empty. Cases where the constant is not
/// explicitly zero can be addressed through the clang static analyzer, and
/// those which cannot be statically identified can be caught using UBSan.
class ContainerDataPointerCheck : public ClangTidyCheck {
public:
ContainerDataPointerCheck(StringRef Name, ClangTidyContext *Context);
bool isLanguageVersionSupported(const LangOptions &LO) const override {
return LO.CPlusPlus11;
}
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
llvm::Optional<TraversalKind> getCheckTraversalKind() const override {
return TK_IgnoreUnlessSpelledInSource;
}
};
} // namespace readability
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERDATAPOINTERCHECK_H
|
