| 1 | //===----------------------------------------------------------------------===// |
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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 "clang-tidy/ClangTidyCheck.h" |
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| 10 | |
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| 11 | #include "nodebug_on_aliases.hpp" |
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| 12 | #include "utilities.hpp" |
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| 13 | |
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| 14 | namespace libcpp { |
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| 15 | namespace { |
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| 16 | AST_MATCHER(clang::NamedDecl, isPretty) { return !is_ugly_name(Node.getName()); } |
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| 17 | AST_MATCHER(clang::NamedDecl, isUgly) { return is_ugly_name(Node.getName()); } |
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| 18 | } // namespace |
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| 19 | |
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| 20 | nodebug_on_aliases::nodebug_on_aliases(llvm::StringRef name, clang::tidy::ClangTidyContext* context) |
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| 21 | : clang::tidy::ClangTidyCheck(name, context) {} |
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| 22 | |
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| 23 | void nodebug_on_aliases::registerMatchers(clang::ast_matchers::MatchFinder* finder) { |
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| 24 | using namespace clang::ast_matchers; |
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| 25 | finder->addMatcher( |
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| 26 | typeAliasDecl(unless(anyOf(isPretty(), hasAttr(clang::attr::NoDebug), hasAncestor(functionDecl())))) |
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| 27 | .bind("nodebug_on_internal_aliases" ), |
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| 28 | this); |
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| 29 | |
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| 30 | finder->addMatcher( |
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| 31 | typeAliasDecl( |
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| 32 | unless(hasAttr(clang::attr::NoDebug)), |
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| 33 | hasName("type" ), |
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| 34 | hasAncestor(cxxRecordDecl(unless(has(namedDecl(unless(anyOf( |
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| 35 | typeAliasDecl(hasName("type" )), |
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| 36 | typeAliasDecl(isUgly()), |
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| 37 | recordDecl(isImplicit()), |
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| 38 | templateTypeParmDecl(), |
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| 39 | nonTypeTemplateParmDecl(), |
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| 40 | templateTemplateParmDecl())))))))) |
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| 41 | .bind("nodebug_on_type_traits" ), |
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| 42 | this); |
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| 43 | } |
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| 44 | |
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| 45 | void nodebug_on_aliases::check(const clang::ast_matchers::MatchFinder::MatchResult& result) { |
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| 46 | if (const auto* alias = result.Nodes.getNodeAs<clang::TypeAliasDecl>("nodebug_on_internal_aliases" )) { |
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| 47 | diag(alias->getBeginLoc(), "Internal aliases should always be marked _LIBCPP_NODEBUG" ); |
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| 48 | } |
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| 49 | |
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| 50 | if (const auto* alias = result.Nodes.getNodeAs<clang::TypeAliasDecl>("nodebug_on_type_traits" )) { |
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| 51 | diag(alias->getBeginLoc(), "The alias of type traits should always be marked _LIBCPP_NODEBUG" ); |
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| 52 | } |
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| 53 | } |
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| 54 | } // namespace libcpp |
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| 55 | |
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