48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
//===--- CleanupCtadCheck.cpp - clang-tidy --------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "CleanupCtadCheck.h"
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#include "../utils/TransformerClangTidyCheck.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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#include "clang/Tooling/Transformer/RangeSelector.h"
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#include "clang/Tooling/Transformer/RewriteRule.h"
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#include "clang/Tooling/Transformer/Stencil.h"
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#include "llvm/ADT/StringRef.h"
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using namespace ::clang::ast_matchers;
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using namespace ::clang::transformer;
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namespace clang {
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namespace tidy {
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namespace abseil {
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RewriteRuleWith<std::string> CleanupCtadCheckImpl() {
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auto warning_message = cat("prefer absl::Cleanup's class template argument "
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"deduction pattern in C++17 and higher");
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return makeRule(
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declStmt(hasSingleDecl(varDecl(
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hasType(autoType()), hasTypeLoc(typeLoc().bind("auto_type_loc")),
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hasInitializer(hasDescendant(
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callExpr(callee(functionDecl(hasName("absl::MakeCleanup"))),
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argumentCountIs(1))
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.bind("make_cleanup_call")))))),
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{changeTo(node("auto_type_loc"), cat("absl::Cleanup")),
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changeTo(node("make_cleanup_call"), cat(callArgs("make_cleanup_call")))},
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warning_message);
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}
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CleanupCtadCheck::CleanupCtadCheck(StringRef Name, ClangTidyContext *Context)
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: utils::TransformerClangTidyCheck(CleanupCtadCheckImpl(), Name, Context) {}
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} // namespace abseil
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} // namespace tidy
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} // namespace clang
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