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31 lines
1.2 KiB
C++
31 lines
1.2 KiB
C++
/* 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 "ExplicitOperatorBoolChecker.h"
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#include "CustomMatchers.h"
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void ExplicitOperatorBoolChecker::registerMatchers(MatchFinder *AstMatcher) {
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AstMatcher->addMatcher(
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cxxMethodDecl(allOf(isFirstParty(), hasName("operator bool")))
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.bind("node"),
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this);
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}
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void ExplicitOperatorBoolChecker::check(
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const MatchFinder::MatchResult &Result) {
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const CXXConversionDecl *Method =
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Result.Nodes.getNodeAs<CXXConversionDecl>("node");
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const CXXRecordDecl *Clazz = Method->getParent();
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if (!Method->isExplicit() && !hasCustomAttribute<moz_implicit>(Method) &&
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!ASTIsInSystemHeader(Method->getASTContext(), *Method) &&
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isInterestingDeclForImplicitConversion(Method)) {
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diag(Method->getBeginLoc(), "bad implicit conversion operator for %0",
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DiagnosticIDs::Error)
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<< Clazz;
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diag(Method->getBeginLoc(), "consider adding the explicit keyword to %0",
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DiagnosticIDs::Note)
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<< "'operator bool'";
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}
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}
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