llvm-project/clang-tools-extra/clang-tidy/bugprone/ArgumentCommentCheck.h

66 lines
2.2 KiB
C++

//===--- ArgumentCommentCheck.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_BUGPRONE_ARGUMENTCOMMENTCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_ARGUMENTCOMMENTCHECK_H
#include "../ClangTidyCheck.h"
#include "llvm/Support/Regex.h"
namespace clang {
namespace tidy {
namespace bugprone {
/// Checks that argument comments match parameter names.
///
/// The check understands argument comments in the form `/*parameter_name=*/`
/// that are placed right before the argument.
///
/// \code
/// void f(bool foo);
///
/// ...
/// f(/*bar=*/true);
/// // warning: argument name 'bar' in comment does not match parameter name
/// 'foo'
/// \endcode
///
/// The check tries to detect typos and suggest automated fixes for them.
class ArgumentCommentCheck : public ClangTidyCheck {
public:
ArgumentCommentCheck(StringRef Name, ClangTidyContext *Context);
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
private:
const unsigned StrictMode : 1;
const unsigned IgnoreSingleArgument : 1;
const unsigned CommentBoolLiterals : 1;
const unsigned CommentIntegerLiterals : 1;
const unsigned CommentFloatLiterals : 1;
const unsigned CommentStringLiterals : 1;
const unsigned CommentUserDefinedLiterals : 1;
const unsigned CommentCharacterLiterals : 1;
const unsigned CommentNullPtrs : 1;
llvm::Regex IdentRE;
void checkCallArgs(ASTContext *Ctx, const FunctionDecl *Callee,
SourceLocation ArgBeginLoc,
llvm::ArrayRef<const Expr *> Args);
bool shouldAddComment(const Expr *Arg) const;
};
} // namespace bugprone
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_ARGUMENTCOMMENTCHECK_H