clang-tools  9.0.0
ArgumentCommentCheck.h
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1 //===--- ArgumentCommentCheck.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_BUGPRONE_ARGUMENTCOMMENTCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_ARGUMENTCOMMENTCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 #include "llvm/Support/Regex.h"
14 
15 namespace clang {
16 namespace tidy {
17 namespace bugprone {
18 
19 /// Checks that argument comments match parameter names.
20 ///
21 /// The check understands argument comments in the form `/*parameter_name=*/`
22 /// that are placed right before the argument.
23 ///
24 /// \code
25 /// void f(bool foo);
26 ///
27 /// ...
28 /// f(/*bar=*/true);
29 /// // warning: argument name 'bar' in comment does not match parameter name
30 /// 'foo'
31 /// \endcode
32 ///
33 /// The check tries to detect typos and suggest automated fixes for them.
35 public:
36  ArgumentCommentCheck(StringRef Name, ClangTidyContext *Context);
37 
38  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
39  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
40  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
41 
42 private:
43  const unsigned StrictMode : 1;
44  const unsigned CommentBoolLiterals : 1;
45  const unsigned CommentIntegerLiterals : 1;
46  const unsigned CommentFloatLiterals : 1;
47  const unsigned CommentStringLiterals : 1;
48  const unsigned CommentUserDefinedLiterals : 1;
49  const unsigned CommentCharacterLiterals : 1;
50  const unsigned CommentNullPtrs : 1;
51  llvm::Regex IdentRE;
52 
53  void checkCallArgs(ASTContext *Ctx, const FunctionDecl *Callee,
54  SourceLocation ArgBeginLoc,
55  llvm::ArrayRef<const Expr *> Args);
56 
57  bool shouldAddComment(const Expr *Arg) const;
58 };
59 
60 } // namespace bugprone
61 } // namespace tidy
62 } // namespace clang
63 
64 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_ARGUMENTCOMMENTCHECK_H
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Base class for all clang-tidy checks.
Context Ctx
ArgumentCommentCheck(StringRef Name, ClangTidyContext *Context)
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
static constexpr llvm::StringLiteral Name
std::map< std::string, std::string > OptionMap
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
llvm::Optional< llvm::Expected< tooling::AtomicChanges > > Result
Definition: Rename.cpp:36