| 1 | //===--- CleanupCtadCheck.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 "CleanupCtadCheck.h" |
| 10 | #include "../utils/TransformerClangTidyCheck.h" |
| 11 | #include "clang/ASTMatchers/ASTMatchers.h" |
| 12 | #include "clang/Tooling/Transformer/RangeSelector.h" |
| 13 | #include "clang/Tooling/Transformer/RewriteRule.h" |
| 14 | #include "clang/Tooling/Transformer/Stencil.h" |
| 15 | |
| 16 | using namespace ::clang::ast_matchers; |
| 17 | using namespace ::clang::transformer; |
| 18 | |
| 19 | namespace clang::tidy::abseil { |
| 20 | |
| 21 | static RewriteRuleWith<std::string> cleanupCtadCheckImpl() { |
| 22 | auto WarningMessage = cat(Parts: "prefer absl::Cleanup's class template argument " |
| 23 | "deduction pattern in C++17 and higher"); |
| 24 | |
| 25 | return makeRule( |
| 26 | M: declStmt(hasSingleDecl(InnerMatcher: varDecl( |
| 27 | hasType(InnerMatcher: autoType()), hasTypeLoc(Inner: typeLoc().bind(ID: "auto_type_loc")), |
| 28 | hasInitializer(InnerMatcher: hasDescendant( |
| 29 | callExpr(callee(InnerMatcher: functionDecl(hasName(Name: "absl::MakeCleanup"))), |
| 30 | argumentCountIs(N: 1)) |
| 31 | .bind(ID: "make_cleanup_call")))))), |
| 32 | Edits: {changeTo(Target: node(ID: "auto_type_loc"), Replacement: cat(Parts: "absl::Cleanup")), |
| 33 | changeTo(Target: node(ID: "make_cleanup_call"), Replacement: cat(Parts: callArgs(ID: "make_cleanup_call")))}, |
| 34 | Metadata: WarningMessage); |
| 35 | } |
| 36 | |
| 37 | CleanupCtadCheck::CleanupCtadCheck(StringRef Name, ClangTidyContext *Context) |
| 38 | : utils::TransformerClangTidyCheck(cleanupCtadCheckImpl(), Name, Context) {} |
| 39 | |
| 40 | } // namespace clang::tidy::abseil |
| 41 |