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//===--- OwningMemoryCheck.h - clang-tidy------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
#include "../ClangTidy.h"
namespace clang {
namespace tidy {
namespace cppcoreguidelines {
/// Checks for common use cases for gsl::owner and enforces the unique owner
/// nature of it whenever possible.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines-owning-memory.html
class OwningMemoryCheck : public ClangTidyCheck {
public:
OwningMemoryCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context),
LegacyResourceProducers(Options.get(
"LegacyResourceProducers", "::malloc;::aligned_alloc;::realloc;"
"::calloc;::fopen;::freopen;::tmpfile")),
LegacyResourceConsumers(Options.get(
"LegacyResourceConsumers", "::free;::realloc;::freopen;::fclose")) {
}
/// Make configuration of checker discoverable.
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
bool handleDeletion(const ast_matchers::BoundNodes &Nodes);
bool handleLegacyConsumers(const ast_matchers::BoundNodes &Nodes);
bool handleExpectedOwner(const ast_matchers::BoundNodes &Nodes);
bool handleAssignmentAndInit(const ast_matchers::BoundNodes &Nodes);
bool handleAssignmentFromNewOwner(const ast_matchers::BoundNodes &Nodes);
bool handleReturnValues(const ast_matchers::BoundNodes &Nodes);
bool handleOwnerMembers(const ast_matchers::BoundNodes &Nodes);
/// List of old C-style functions that create resources.
/// Defaults to
/// `::malloc;::aligned_alloc;::realloc;::calloc;::fopen;::freopen;::tmpfile`.
const std::string LegacyResourceProducers;
/// List of old C-style functions that consume or release resources.
/// Defaults to `::free;::realloc;::freopen;::fclose`.
const std::string LegacyResourceConsumers;
};
} // namespace cppcoreguidelines
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
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