forked from OSchip/llvm-project
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
//===--- StaticObjectExceptionCheck.cpp - clang-tidy-----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "StaticObjectExceptionCheck.h"
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#include "../utils/Matchers.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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using namespace clang::ast_matchers;
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namespace clang {
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namespace tidy {
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namespace cert {
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void StaticObjectExceptionCheck::registerMatchers(MatchFinder *Finder) {
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if (!getLangOpts().CPlusPlus)
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return;
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// Match any static or thread_local variable declaration that is initialized
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// with a constructor that can throw.
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Finder->addMatcher(
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varDecl(anyOf(hasThreadStorageDuration(), hasStaticStorageDuration()),
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hasInitializer(cxxConstructExpr(hasDeclaration(
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cxxConstructorDecl(unless(isNoThrow()))
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.bind("ctor")))))
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.bind("var"),
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this);
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}
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void StaticObjectExceptionCheck::check(const MatchFinder::MatchResult &Result) {
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const auto *VD = Result.Nodes.getNodeAs<VarDecl>("var");
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const auto *Ctor = Result.Nodes.getNodeAs<CXXConstructorDecl>("ctor");
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diag(VD->getLocation(),
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"construction of %0 with %select{static|thread_local}1 storage "
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"duration may throw an exception that cannot be caught")
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<< VD << (VD->getStorageDuration() == SD_Static ? 0 : 1);
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diag(Ctor->getLocation(), "possibly throwing constructor declared here",
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DiagnosticIDs::Note);
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}
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} // namespace cert
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} // namespace tidy
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} // namespace clang
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