46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
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//===--- ContainerDataPointerCheck.h - clang-tidy ---------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERDATAPOINTERCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERDATAPOINTERCHECK_H
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#include "../ClangTidyCheck.h"
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namespace clang::tidy::readability {
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/// Checks whether a call to `operator[]` and `&` can be replaced with a call to
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/// `data()`.
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///
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/// This only replaces the case where the offset being accessed through the
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/// subscript operation is a known constant 0. This avoids a potential invalid
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/// memory access when the container is empty. Cases where the constant is not
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/// explicitly zero can be addressed through the clang static analyzer, and
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/// those which cannot be statically identified can be caught using UBSan.
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class ContainerDataPointerCheck : public ClangTidyCheck {
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public:
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ContainerDataPointerCheck(StringRef Name, ClangTidyContext *Context);
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bool isLanguageVersionSupported(const LangOptions &LO) const override {
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return LO.CPlusPlus11;
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}
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void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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std::optional<TraversalKind> getCheckTraversalKind() const override {
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return TK_IgnoreUnlessSpelledInSource;
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}
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private:
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const std::vector<StringRef> IgnoredContainers;
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};
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} // namespace clang::tidy::readability
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERDATAPOINTERCHECK_H
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