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1 //===--- OwningMemoryCheck.h - clang-tidy------------------------*- C++ -*-===//
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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 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
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10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
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11
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12 #include "../ClangTidy.h"
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13
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14 namespace clang {
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15 namespace tidy {
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16 namespace cppcoreguidelines {
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17
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18 /// Checks for common use cases for gsl::owner and enforces the unique owner
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19 /// nature of it whenever possible.
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20 ///
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21 /// For the user-facing documentation see:
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22 /// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines-owning-memory.html
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23 class OwningMemoryCheck : public ClangTidyCheck {
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24 public:
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25 OwningMemoryCheck(StringRef Name, ClangTidyContext *Context)
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26 : ClangTidyCheck(Name, Context),
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27 LegacyResourceProducers(Options.get(
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28 "LegacyResourceProducers", "::malloc;::aligned_alloc;::realloc;"
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29 "::calloc;::fopen;::freopen;::tmpfile")),
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30 LegacyResourceConsumers(Options.get(
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31 "LegacyResourceConsumers", "::free;::realloc;::freopen;::fclose")) {
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32 }
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173
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33 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
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34 return LangOpts.CPlusPlus11;
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35 }
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150
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36
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37 /// Make configuration of checker discoverable.
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38 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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39
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40 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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41 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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42
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43 private:
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44 bool handleDeletion(const ast_matchers::BoundNodes &Nodes);
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45 bool handleLegacyConsumers(const ast_matchers::BoundNodes &Nodes);
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46 bool handleExpectedOwner(const ast_matchers::BoundNodes &Nodes);
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47 bool handleAssignmentAndInit(const ast_matchers::BoundNodes &Nodes);
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48 bool handleAssignmentFromNewOwner(const ast_matchers::BoundNodes &Nodes);
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49 bool handleReturnValues(const ast_matchers::BoundNodes &Nodes);
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50 bool handleOwnerMembers(const ast_matchers::BoundNodes &Nodes);
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51
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52 /// List of old C-style functions that create resources.
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53 /// Defaults to
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54 /// `::malloc;::aligned_alloc;::realloc;::calloc;::fopen;::freopen;::tmpfile`.
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55 const std::string LegacyResourceProducers;
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56 /// List of old C-style functions that consume or release resources.
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57 /// Defaults to `::free;::realloc;::freopen;::fclose`.
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58 const std::string LegacyResourceConsumers;
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59 };
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60
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61 } // namespace cppcoreguidelines
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62 } // namespace tidy
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63 } // namespace clang
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64
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65 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_OWNING_MEMORY_H
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