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//===--- NoIntToPtrCheck.cpp - clang-tidy ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "NoIntToPtrCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace performance {
void NoIntToPtrCheck::registerMatchers(MatchFinder *Finder) {
Finder->addMatcher(castExpr(hasCastKind(CK_IntegralToPointer),
unless(hasSourceExpression(integerLiteral())))
.bind("x"),
this);
}
void NoIntToPtrCheck::check(const MatchFinder::MatchResult &Result) {
const auto *MatchedCast = Result.Nodes.getNodeAs<CastExpr>("x");
diag(MatchedCast->getBeginLoc(),
"integer to pointer cast pessimizes optimization opportunities");
}
} // namespace performance
} // namespace tidy
} // namespace clang
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