llvm-project/clang-tools-extra/clang-tidy/readability/RedundantFunctionPtrDerefer...

38 lines
1.3 KiB
C++

//===--- RedundantFunctionPtrDereferenceCheck.cpp - clang-tidy-------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "RedundantFunctionPtrDereferenceCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace readability {
void RedundantFunctionPtrDereferenceCheck::registerMatchers(MatchFinder *Finder) {
Finder->addMatcher(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 readability
} // namespace tidy
} // namespace clang