forked from OSchip/llvm-project
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
//===--- MisplacedWideningCastCheck.h - clang-tidy---------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MISPLACED_WIDENING_CAST_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MISPLACED_WIDENING_CAST_H
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#include "../ClangTidy.h"
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namespace clang {
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namespace tidy {
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namespace misc {
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/// Find casts of calculation results to bigger type. Typically from int to
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/// long. If the intention of the cast is to avoid loss of precision then
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/// the cast is misplaced, and there can be loss of precision. Otherwise
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/// such cast is ineffective.
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///
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/// There is one option:
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///
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/// - `CheckImplicitCasts`: Whether to check implicit casts as well which may
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// be the most common case. Enabled by default.
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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/misc-misplaced-widening-cast.html
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class MisplacedWideningCastCheck : public ClangTidyCheck {
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public:
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MisplacedWideningCastCheck(StringRef Name, ClangTidyContext *Context);
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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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private:
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const bool CheckImplicitCasts;
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};
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} // namespace misc
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} // namespace tidy
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} // namespace clang
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#endif
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