forked from OSchip/llvm-project
104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
//===-- ReplaceAutoPtrActions.h ----- std::auto_ptr replacement -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file contains the declaration of the ASTMatcher callback for the
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/// ReplaceAutoPtr transform.
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///
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//===----------------------------------------------------------------------===//
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#ifndef CPP11_MIGRATE_REPLACE_AUTO_PTR_ACTIONS_H
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#define CPP11_MIGRATE_REPLACE_AUTO_PTR_ACTIONS_H
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "clang/Tooling/Refactoring.h"
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class Transform;
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/// \brief The callback to be used when replacing the \c std::auto_ptr types and
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/// using declarations.
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class AutoPtrReplacer : public clang::ast_matchers::MatchFinder::MatchCallback {
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public:
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AutoPtrReplacer(clang::tooling::Replacements &Replace,
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unsigned &AcceptedChanges, const Transform &Owner)
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: Replace(Replace), AcceptedChanges(AcceptedChanges), Owner(Owner) {}
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/// \brief Entry point to the callback called when matches are made.
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virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result)
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LLVM_OVERRIDE;
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private:
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/// \brief Locates the \c auto_ptr token when it is referred by a \c TypeLoc.
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///
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/// \code
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/// std::auto_ptr<int> i;
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/// ^~~~~~~~~~~~~
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/// \endcode
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/// The caret represents the location returned and the tildes cover the
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/// parameter \p AutoPtrTypeLoc.
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///
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/// \return An invalid \c SourceLocation if not found, otherwise the location
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/// of the beginning of the \c auto_ptr token.
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clang::SourceLocation locateFromTypeLoc(clang::TypeLoc AutoPtrTypeLoc,
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const clang::SourceManager &SM);
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/// \brief Locates the \c auto_ptr token in using declarations.
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///
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/// \code
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/// using std::auto_ptr;
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/// ^
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/// \endcode
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/// The caret represents the location returned.
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///
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/// \return An invalid \c SourceLocation if not found, otherwise the
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/// location of the beginning of the \c auto_ptr token.
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clang::SourceLocation
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locateFromUsingDecl(const clang::UsingDecl *UsingAutoPtrDecl,
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const clang::SourceManager &SM);
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private:
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clang::tooling::Replacements &Replace;
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unsigned &AcceptedChanges;
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const Transform &Owner;
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};
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/// \brief The callback to be used to fix the ownership transfers of
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/// \c auto_ptr,
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///
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/// \c unique_ptr requires to use \c std::move() explicitly in order to transfer
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/// the ownership.
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///
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/// Given:
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/// \code
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/// std::auto_ptr<int> a, b;
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/// a = b;
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/// \endcode
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/// The last statement is transformed to:
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/// \code
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/// a = std::move(b);
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/// \endcode
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class OwnershipTransferFixer
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: public clang::ast_matchers::MatchFinder::MatchCallback {
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public:
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OwnershipTransferFixer(clang::tooling::Replacements &Replace,
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unsigned &AcceptedChanges, const Transform &Owner)
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: Replace(Replace), AcceptedChanges(AcceptedChanges), Owner(Owner) {}
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/// \brief Entry point to the callback called when matches are made.
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virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result)
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LLVM_OVERRIDE;
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private:
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clang::tooling::Replacements &Replace;
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unsigned &AcceptedChanges;
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const Transform &Owner;
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};
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#endif // CPP11_MIGRATE_REPLACE_AUTO_PTR_ACTIONS_H
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