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//===--- RedundantFunctionPtrDereferenceCheck.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 "RedundantFunctionPtrDereferenceCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang::tidy::readability {
void RedundantFunctionPtrDereferenceCheck::registerMatchers(MatchFinder *Finder) {
Finder->addMatcher(
traverse(TK_AsIs, unaryOperator(hasOperatorName("*"),
has(implicitCastExpr(hasCastKind(
CK_FunctionToPointerDecay))))
.bind("op")),
this);
}
void RedundantFunctionPtrDereferenceCheck::check(const MatchFinder::MatchResult &Result) {
const auto *Operator = Result.Nodes.getNodeAs<UnaryOperator>("op");
diag(Operator->getOperatorLoc(),
"redundant repeated dereference of function pointer")
<< FixItHint::CreateRemoval(Operator->getOperatorLoc());
}
} // namespace clang::tidy::readability
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