| 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 | |
| 9 | #include "RedundantFunctionPtrDereferenceCheck.h" |
| 10 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
| 11 | |
| 12 | using namespace clang::ast_matchers; |
| 13 | |
| 14 | namespace clang::tidy::readability { |
| 15 | |
| 16 | void RedundantFunctionPtrDereferenceCheck::registerMatchers( |
| 17 | MatchFinder *Finder) { |
| 18 | Finder->addMatcher( |
| 19 | NodeMatch: traverse(TK: TK_AsIs, InnerMatcher: unaryOperator(hasOperatorName(Name: "*"), |
| 20 | has(implicitCastExpr(hasCastKind( |
| 21 | Kind: CK_FunctionToPointerDecay)))) |
| 22 | .bind(ID: "op")), |
| 23 | Action: this); |
| 24 | } |
| 25 | |
| 26 | void RedundantFunctionPtrDereferenceCheck::check( |
| 27 | const MatchFinder::MatchResult &Result) { |
| 28 | const auto *Operator = Result.Nodes.getNodeAs<UnaryOperator>(ID: "op"); |
| 29 | diag(Loc: Operator->getOperatorLoc(), |
| 30 | Description: "redundant repeated dereference of function pointer") |
| 31 | << FixItHint::CreateRemoval(RemoveRange: Operator->getOperatorLoc()); |
| 32 | } |
| 33 | |
| 34 | } // namespace clang::tidy::readability |
| 35 |