Mercurial > hg > CbC > CbC_llvm
comparison clang-tools-extra/clang-tidy/fuchsia/DefaultArgumentsDeclarationsCheck.cpp @ 150:1d019706d866
LLVM10
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 15:10:13 +0900 |
| parents | |
| children | 2e18cbf3894f |
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| 147:c2174574ed3a | 150:1d019706d866 |
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| 1 //===--- DefaultArgumentsDeclarationsCheck.cpp - clang-tidy ---------------===// | |
| 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 #include "DefaultArgumentsDeclarationsCheck.h" | |
| 10 | |
| 11 using namespace clang::ast_matchers; | |
| 12 | |
| 13 namespace clang { | |
| 14 namespace tidy { | |
| 15 namespace fuchsia { | |
| 16 | |
| 17 void DefaultArgumentsDeclarationsCheck::registerMatchers(MatchFinder *Finder) { | |
| 18 // Declaring default parameters is disallowed. | |
| 19 Finder->addMatcher(parmVarDecl(hasDefaultArgument()).bind("decl"), this); | |
| 20 } | |
| 21 | |
| 22 void DefaultArgumentsDeclarationsCheck::check( | |
| 23 const MatchFinder::MatchResult &Result) { | |
| 24 const auto *D = Result.Nodes.getNodeAs<ParmVarDecl>("decl"); | |
| 25 if (!D) | |
| 26 return; | |
| 27 | |
| 28 SourceRange DefaultArgRange = D->getDefaultArgRange(); | |
| 29 | |
| 30 if (DefaultArgRange.getEnd() != D->getEndLoc()) | |
| 31 return; | |
| 32 | |
| 33 if (DefaultArgRange.getBegin().isMacroID()) { | |
| 34 diag(D->getBeginLoc(), | |
| 35 "declaring a parameter with a default argument is disallowed"); | |
| 36 return; | |
| 37 } | |
| 38 | |
| 39 SourceLocation StartLocation = | |
| 40 D->getName().empty() ? D->getBeginLoc() : D->getLocation(); | |
| 41 | |
| 42 SourceRange RemovalRange( | |
| 43 Lexer::getLocForEndOfToken(StartLocation, 0, *Result.SourceManager, | |
| 44 Result.Context->getLangOpts()), | |
| 45 DefaultArgRange.getEnd()); | |
| 46 | |
| 47 diag(D->getBeginLoc(), | |
| 48 "declaring a parameter with a default argument is disallowed") | |
| 49 << D << FixItHint::CreateRemoval(RemovalRange); | |
| 50 } | |
| 51 | |
| 52 } // namespace fuchsia | |
| 53 } // namespace tidy | |
| 54 } // namespace clang |