clang-tools 20.0.0git
OwningMemoryCheck.h
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1//===--- OwningMemoryCheck.h - clang-tidy------------------------*- C++ -*-===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
11
12#include "../ClangTidyCheck.h"
13
15
16/// Checks for common use cases for gsl::owner and enforces the unique owner
17/// nature of it whenever possible.
18///
19/// For the user-facing documentation see:
20/// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines/owning-memory.html
22public:
24 : ClangTidyCheck(Name, Context),
25 LegacyResourceProducers(Options.get(
26 "LegacyResourceProducers", "::malloc;::aligned_alloc;::realloc;"
27 "::calloc;::fopen;::freopen;::tmpfile")),
28 LegacyResourceConsumers(Options.get(
29 "LegacyResourceConsumers", "::free;::realloc;::freopen;::fclose")) {
30 }
31 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
32 return LangOpts.CPlusPlus11;
33 }
34
35 /// Make configuration of checker discoverable.
36 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
37
38 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
39 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
40 std::optional<TraversalKind> getCheckTraversalKind() const override {
41 return TK_IgnoreUnlessSpelledInSource;
42 }
43
44private:
45 bool handleDeletion(const ast_matchers::BoundNodes &Nodes);
46 bool handleLegacyConsumers(const ast_matchers::BoundNodes &Nodes);
47 bool handleExpectedOwner(const ast_matchers::BoundNodes &Nodes);
48 bool handleAssignmentAndInit(const ast_matchers::BoundNodes &Nodes);
49 bool handleAssignmentFromNewOwner(const ast_matchers::BoundNodes &Nodes);
50 bool handleReturnValues(const ast_matchers::BoundNodes &Nodes);
51 bool handleOwnerMembers(const ast_matchers::BoundNodes &Nodes);
52
53 /// List of old C-style functions that create resources.
54 /// Defaults to
55 /// `::malloc;::aligned_alloc;::realloc;::calloc;::fopen;::freopen;::tmpfile`.
56 const StringRef LegacyResourceProducers;
57 /// List of old C-style functions that consume or release resources.
58 /// Defaults to `::free;::realloc;::freopen;::fclose`.
59 const StringRef LegacyResourceConsumers;
60};
61
62} // namespace clang::tidy::cppcoreguidelines
63
64#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
llvm::SmallString< 256U > Name
Base class for all clang-tidy checks.
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Checks for common use cases for gsl::owner and enforces the unique owner nature of it whenever possib...
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Make configuration of checker discoverable.
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
std::optional< TraversalKind > getCheckTraversalKind() const override
OwningMemoryCheck(StringRef Name, ClangTidyContext *Context)
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Match common cases, where the owner semantic is relevant, like function calls, delete expressions and...
llvm::StringMap< ClangTidyValue > OptionMap