1 //===--- MisleadingIndentationCheck.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_READABILITY_MISLEADING_INDENTATION_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_MISLEADING_INDENTATION_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::readability {
15 
16 /// Checks the code for dangling else, and possible misleading indentations due
17 /// to missing braces. Note that this check only works as expected when the tabs
18 /// or spaces are used consistently and not mixed.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/readability/misleading-indentation.html
22 class MisleadingIndentationCheck : public ClangTidyCheck {
23 public:
MisleadingIndentationCheck(StringRef Name,ClangTidyContext * Context)24   MisleadingIndentationCheck(StringRef Name, ClangTidyContext *Context)
25       : ClangTidyCheck(Name, Context) {}
26   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
27   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
getCheckTraversalKind()28   std::optional<TraversalKind> getCheckTraversalKind() const override {
29     return TK_IgnoreUnlessSpelledInSource;
30   }
31 
32 private:
33   void danglingElseCheck(const SourceManager &SM, ASTContext *Context,
34                          const IfStmt *If);
35   void missingBracesCheck(const SourceManager &SM, const CompoundStmt *CStmt,
36                           const LangOptions &LangOpts);
37 };
38 
39 } // namespace clang::tidy::readability
40 
41 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_MISLEADING_INDENTATION_H
42