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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "NeedsNoVTableTypeChecker.h"
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#include "CustomMatchers.h"
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void NeedsNoVTableTypeChecker::registerMatchers(MatchFinder *AstMatcher) {
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AstMatcher->addMatcher(
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classTemplateSpecializationDecl(
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allOf(hasAnyTemplateArgument(refersToType(hasVTable())),
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hasNeedsNoVTableTypeAttr()))
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.bind("node"),
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this);
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}
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void NeedsNoVTableTypeChecker::check(const MatchFinder::MatchResult &Result) {
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const ClassTemplateSpecializationDecl *Specialization =
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Result.Nodes.getNodeAs<ClassTemplateSpecializationDecl>("node");
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// Get the offending template argument
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QualType Offender;
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const TemplateArgumentList &Args =
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Specialization->getTemplateInstantiationArgs();
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for (unsigned i = 0; i < Args.size(); ++i) {
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Offender = Args[i].getAsType();
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if (typeHasVTable(Offender)) {
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break;
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}
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}
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diag(Specialization->getBeginLoc(),
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"%0 cannot be instantiated because %1 has a VTable",
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DiagnosticIDs::Error)
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<< Specialization << Offender;
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diag(Specialization->getPointOfInstantiation(),
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"bad instantiation of %0 requested here", DiagnosticIDs::Note)
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<< Specialization;
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}