gecko-dev/build/clang-plugin/TrivialCtorDtorChecker.cpp
Sylvestre Ledru 0d4a611a04 Bug 1410472 - clang-plugin follows the LLVM coding style for real r=mystor
MozReview-Commit-ID: AXrQEjWzxvg

--HG--
extra : rebase_source : bf972fbb22648af2edbb756eb899ebddf8444dbc
2017-10-20 19:11:50 +02:00

30 lines
1.2 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "TrivialCtorDtorChecker.h"
#include "CustomMatchers.h"
void TrivialCtorDtorChecker::registerMatchers(MatchFinder *AstMatcher) {
AstMatcher->addMatcher(cxxRecordDecl(hasTrivialCtorDtor()).bind("node"),
this);
}
void TrivialCtorDtorChecker::check(const MatchFinder::MatchResult &Result) {
const char *Error = "class %0 must have trivial constructors and destructors";
const CXXRecordDecl *Node = Result.Nodes.getNodeAs<CXXRecordDecl>("node");
if (!Node->hasDefinition()) {
return;
}
// We need to accept non-constexpr trivial constructors as well. This occurs
// when a struct contains pod members, which will not be initialized. As
// constexpr values are initialized, the constructor is non-constexpr.
bool BadCtor = !(Node->hasConstexprDefaultConstructor() ||
Node->hasTrivialDefaultConstructor());
bool BadDtor = !Node->hasTrivialDestructor();
if (BadCtor || BadDtor)
diag(Node->getLocStart(), Error, DiagnosticIDs::Error) << Node;
}