| 1 | //===--- UseEnumClassCheck.cpp - clang-tidy -------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "UseEnumClassCheck.h" |
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| 10 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
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| 11 | |
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| 12 | using namespace clang::ast_matchers; |
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| 13 | |
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| 14 | namespace clang::tidy::cppcoreguidelines { |
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| 15 | |
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| 16 | UseEnumClassCheck::UseEnumClassCheck(StringRef Name, ClangTidyContext *Context) |
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| 17 | : ClangTidyCheck(Name, Context), |
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| 18 | IgnoreUnscopedEnumsInClasses( |
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| 19 | Options.get(LocalName: "IgnoreUnscopedEnumsInClasses" , Default: false)) {} |
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| 20 | |
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| 21 | void UseEnumClassCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) { |
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| 22 | Options.store(Options&: Opts, LocalName: "IgnoreUnscopedEnumsInClasses" , |
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| 23 | Value: IgnoreUnscopedEnumsInClasses); |
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| 24 | } |
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| 25 | |
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| 26 | void UseEnumClassCheck::registerMatchers(MatchFinder *Finder) { |
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| 27 | auto EnumDecl = |
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| 28 | IgnoreUnscopedEnumsInClasses |
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| 29 | ? enumDecl(unless(isScoped()), unless(hasParent(recordDecl()))) |
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| 30 | : enumDecl(unless(isScoped())); |
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| 31 | Finder->addMatcher(NodeMatch: EnumDecl.bind(ID: "unscoped_enum" ), Action: this); |
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| 32 | } |
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| 33 | |
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| 34 | void UseEnumClassCheck::check(const MatchFinder::MatchResult &Result) { |
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| 35 | const auto *UnscopedEnum = Result.Nodes.getNodeAs<EnumDecl>(ID: "unscoped_enum" ); |
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| 36 | |
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| 37 | diag(Loc: UnscopedEnum->getLocation(), |
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| 38 | Description: "enum %0 is unscoped, use 'enum class' instead" ) |
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| 39 | << UnscopedEnum; |
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| 40 | } |
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| 41 | |
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| 42 | } // namespace clang::tidy::cppcoreguidelines |
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| 43 | |
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