| 1 | //===--- CleanupCtadCheck.cpp - clang-tidy --------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "CleanupCtadCheck.h" |
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| 10 | #include "../utils/TransformerClangTidyCheck.h" |
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| 11 | #include "clang/AST/ASTContext.h" |
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| 12 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
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| 13 | #include "clang/ASTMatchers/ASTMatchers.h" |
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| 14 | #include "clang/Tooling/Transformer/RangeSelector.h" |
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| 15 | #include "clang/Tooling/Transformer/RewriteRule.h" |
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| 16 | #include "clang/Tooling/Transformer/Stencil.h" |
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| 17 | #include "llvm/ADT/StringRef.h" |
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| 18 | |
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| 19 | using namespace ::clang::ast_matchers; |
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| 20 | using namespace ::clang::transformer; |
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| 21 | |
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| 22 | namespace clang::tidy::abseil { |
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| 23 | |
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| 24 | RewriteRuleWith<std::string> CleanupCtadCheckImpl() { |
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| 25 | auto warning_message = cat(Parts: "prefer absl::Cleanup's class template argument " |
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| 26 | "deduction pattern in C++17 and higher" ); |
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| 27 | |
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| 28 | return makeRule( |
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| 29 | M: declStmt(hasSingleDecl(InnerMatcher: varDecl( |
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| 30 | hasType(InnerMatcher: autoType()), hasTypeLoc(Inner: typeLoc().bind(ID: "auto_type_loc" )), |
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| 31 | hasInitializer(InnerMatcher: hasDescendant( |
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| 32 | callExpr(callee(InnerMatcher: functionDecl(hasName(Name: "absl::MakeCleanup" ))), |
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| 33 | argumentCountIs(N: 1)) |
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| 34 | .bind(ID: "make_cleanup_call" )))))), |
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| 35 | Edits: {changeTo(Target: node(ID: "auto_type_loc" ), Replacement: cat(Parts: "absl::Cleanup" )), |
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| 36 | changeTo(Target: node(ID: "make_cleanup_call" ), Replacement: cat(Parts: callArgs(ID: "make_cleanup_call" )))}, |
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| 37 | Metadata: warning_message); |
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| 38 | } |
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| 39 | |
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| 40 | CleanupCtadCheck::CleanupCtadCheck(StringRef Name, ClangTidyContext *Context) |
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| 41 | : utils::TransformerClangTidyCheck(CleanupCtadCheckImpl(), Name, Context) {} |
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| 42 | |
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| 43 | } // namespace clang::tidy::abseil |
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| 44 | |
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