clang-tools-extra/clang-tidy/misc/StaticAssertCheck.h

   1 //===--- StaticAssertCheck.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_MISC_STATICASSERTCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_STATICASSERTCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13 #include "llvm/ADT/StringRef.h"
  14 #include <string>
  15
  16 namespace clang::tidy::misc {
  17
  18 /// Replaces `assert()` with `static_assert()` if the condition is evaluatable
  19 /// at compile time.
  20 ///
  21 /// The condition of `static_assert()` is evaluated at compile time which is
  22 /// safer and more efficient.
  23 class StaticAssertCheck : public ClangTidyCheck {
  24 public:
  25   StaticAssertCheck(StringRef Name, ClangTidyContext *Context);
  26   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  27     return LangOpts.CPlusPlus11 || LangOpts.C11;
  28   }
  29   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  30   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  31
  32 private:
  33   SourceLocation getLastParenLoc(const ASTContext *ASTCtx,
  34                                  SourceLocation AssertLoc);
  35 };
  36
  37 } // namespace clang::tidy::misc
  38
  39 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_STATICASSERTCHECK_H