clang-tools  14.0.0git
RedundantFunctionPtrDereferenceCheck.cpp
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1 //===--- RedundantFunctionPtrDereferenceCheck.cpp - clang-tidy-------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
12 
13 using namespace clang::ast_matchers;
14 
15 namespace clang {
16 namespace tidy {
17 namespace readability {
18 
19 void RedundantFunctionPtrDereferenceCheck::registerMatchers(MatchFinder *Finder) {
20  Finder->addMatcher(
21  traverse(TK_AsIs, unaryOperator(hasOperatorName("*"),
22  has(implicitCastExpr(hasCastKind(
23  CK_FunctionToPointerDecay))))
24  .bind("op")),
25  this);
26 }
27 
28 void RedundantFunctionPtrDereferenceCheck::check(const MatchFinder::MatchResult &Result) {
29  const auto *Operator = Result.Nodes.getNodeAs<UnaryOperator>("op");
30  diag(Operator->getOperatorLoc(),
31  "redundant repeated dereference of function pointer")
32  << FixItHint::CreateRemoval(Operator->getOperatorLoc());
33 }
34 
35 } // namespace readability
36 } // namespace tidy
37 } // namespace clang
RedundantFunctionPtrDereferenceCheck.h
clang::ast_matchers
Definition: AbseilMatcher.h:14
clang::clangd::check
bool check(llvm::StringRef File, llvm::function_ref< bool(const Position &)> ShouldCheckLine, const ThreadsafeFS &TFS, const ClangdLSPServer::Options &Opts, bool EnableCodeCompletion)
Definition: Check.cpp:258
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27