
Add support for the following two patterns: ``` haystack.compare(haystack.length() - needle.length(), needle.length(), needle) == 0; haystack.rfind(needle) == (haystack.size() - needle.size()); ```
39 lines
1.6 KiB
C++
39 lines
1.6 KiB
C++
//===--- UseStartsEndsWithCheck.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_MODERNIZE_USESTARTSENDSWITHCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTARTSENDSWITHCHECK_H
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#include "../ClangTidyCheck.h"
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namespace clang::tidy::modernize {
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/// Checks for common roundabout ways to express ``starts_with`` and
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/// ``ends_with`` and suggests replacing with the simpler method when it is
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/// available. Notably, this will work with ``std::string`` and
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/// ``std::string_view``.
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///
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/modernize/use-starts-ends-with.html
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class UseStartsEndsWithCheck : public ClangTidyCheck {
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public:
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UseStartsEndsWithCheck(StringRef Name, ClangTidyContext *Context);
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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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bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
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return LangOpts.CPlusPlus;
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}
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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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};
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} // namespace clang::tidy::modernize
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTARTSENDSWITHCHECK_H
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