| //===--- ThrowKeywordMissingCheck.cpp - clang-tidy-------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ThrowKeywordMissingCheck.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang { |
| namespace tidy { |
| namespace bugprone { |
| |
| void ThrowKeywordMissingCheck::registerMatchers(MatchFinder *Finder) { |
| if (!getLangOpts().CPlusPlus) |
| return; |
| |
| auto CtorInitializerList = |
| cxxConstructorDecl(hasAnyConstructorInitializer(anything())); |
| |
| Finder->addMatcher( |
| expr(anyOf(cxxFunctionalCastExpr(), cxxBindTemporaryExpr(), |
| cxxTemporaryObjectExpr()), |
| hasType(cxxRecordDecl( |
| isSameOrDerivedFrom(matchesName("[Ee]xception|EXCEPTION")))), |
| unless(anyOf(hasAncestor(stmt( |
| anyOf(cxxThrowExpr(), callExpr(), returnStmt()))), |
| hasAncestor(varDecl()), |
| allOf(hasAncestor(CtorInitializerList), |
| unless(hasAncestor(cxxCatchStmt())))))) |
| .bind("temporary-exception-not-thrown"), |
| this); |
| } |
| |
| void ThrowKeywordMissingCheck::check(const MatchFinder::MatchResult &Result) { |
| const auto *TemporaryExpr = |
| Result.Nodes.getNodeAs<Expr>("temporary-exception-not-thrown"); |
| |
| diag(TemporaryExpr->getLocStart(), "suspicious exception object created but " |
| "not thrown; did you mean 'throw %0'?") |
| << TemporaryExpr->getType().getBaseTypeIdentifier()->getName(); |
| } |
| |
| } // namespace bugprone |
| } // namespace tidy |
| } // namespace clang |
