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/* 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 "NeedsNoVTableTypeChecker.h"
#include "CustomMatchers.h"
void NeedsNoVTableTypeChecker::registerMatchers(MatchFinder *AstMatcher) {
AstMatcher->addMatcher(
classTemplateSpecializationDecl(
allOf(hasAnyTemplateArgument(refersToType(hasVTable())),
hasNeedsNoVTableTypeAttr()))
.bind("node"),
this);
}
void NeedsNoVTableTypeChecker::check(const MatchFinder::MatchResult &Result) {
const ClassTemplateSpecializationDecl *Specialization =
Result.Nodes.getNodeAs<ClassTemplateSpecializationDecl>("node");
// Get the offending template argument
QualType Offender;
const TemplateArgumentList &Args =
Specialization->getTemplateInstantiationArgs();
for (unsigned i = 0; i < Args.size(); ++i) {
Offender = Args[i].getAsType();
if (typeHasVTable(Offender)) {
break;
}
}
diag(Specialization->getBeginLoc(),
"%0 cannot be instantiated because %1 has a VTable",
DiagnosticIDs::Error)
<< Specialization << Offender;
diag(Specialization->getPointOfInstantiation(),
"bad instantiation of %0 requested here", DiagnosticIDs::Note)
<< Specialization;
}