| 1 | //===--- UseDefaultNoneCheck.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 "UseDefaultNoneCheck.h" |
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| 10 | #include "clang/AST/ASTContext.h" |
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| 11 | #include "clang/AST/OpenMPClause.h" |
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| 12 | #include "clang/AST/Stmt.h" |
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| 13 | #include "clang/AST/StmtOpenMP.h" |
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| 14 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
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| 15 | #include "clang/ASTMatchers/ASTMatchers.h" |
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| 16 | #include "clang/ASTMatchers/ASTMatchersMacros.h" |
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| 17 | |
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| 18 | using namespace clang::ast_matchers; |
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| 19 | |
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| 20 | namespace clang::tidy::openmp { |
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| 21 | |
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| 22 | void UseDefaultNoneCheck::registerMatchers(MatchFinder *Finder) { |
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| 23 | Finder->addMatcher( |
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| 24 | ompExecutableDirective( |
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| 25 | isAllowedToContainClauseKind(llvm::omp::OMPC_default), |
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| 26 | anyOf(unless(hasAnyClause(ompDefaultClause())), |
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| 27 | hasAnyClause( |
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| 28 | ompDefaultClause(unless(isNoneKind())).bind("clause" )))) |
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| 29 | .bind("directive" ), |
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| 30 | this); |
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| 31 | } |
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| 32 | |
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| 33 | void UseDefaultNoneCheck::check(const MatchFinder::MatchResult &Result) { |
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| 34 | const auto *Directive = |
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| 35 | Result.Nodes.getNodeAs<OMPExecutableDirective>(ID: "directive" ); |
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| 36 | assert(Directive != nullptr && "Expected to match some directive." ); |
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| 37 | |
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| 38 | if (const auto *Clause = Result.Nodes.getNodeAs<OMPDefaultClause>(ID: "clause" )) { |
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| 39 | diag(Loc: Directive->getBeginLoc(), |
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| 40 | Description: "OpenMP directive '%0' specifies 'default(%1)' clause, consider using " |
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| 41 | "'default(none)' clause instead" ) |
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| 42 | << getOpenMPDirectiveName(Directive->getDirectiveKind()) |
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| 43 | << getOpenMPSimpleClauseTypeName(Clause->getClauseKind(), |
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| 44 | unsigned(Clause->getDefaultKind())); |
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| 45 | diag(Clause->getBeginLoc(), "existing 'default' clause specified here" , |
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| 46 | DiagnosticIDs::Note); |
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| 47 | return; |
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| 48 | } |
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| 49 | |
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| 50 | diag(Loc: Directive->getBeginLoc(), |
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| 51 | Description: "OpenMP directive '%0' does not specify 'default' clause, consider " |
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| 52 | "specifying 'default(none)' clause" ) |
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| 53 | << getOpenMPDirectiveName(Directive->getDirectiveKind()); |
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| 54 | } |
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| 55 | |
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| 56 | } // namespace clang::tidy::openmp |
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| 57 | |
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