llvm-project/clang-tools-extra/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.cpp

66 lines
2.2 KiB
C++

//===-- ReplaceAutoPtr.cpp ---------- std::auto_ptr replacement -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file provides the implementation of the ReplaceAutoPtrTransform
/// class.
///
//===----------------------------------------------------------------------===//
#include "ReplaceAutoPtr.h"
#include "ReplaceAutoPtrActions.h"
#include "ReplaceAutoPtrMatchers.h"
using namespace clang;
using namespace clang::tooling;
using namespace clang::ast_matchers;
int
ReplaceAutoPtrTransform::apply(FileOverrides &InputStates,
const CompilationDatabase &Database,
const std::vector<std::string> &SourcePaths) {
ClangTool Tool(Database, SourcePaths);
unsigned AcceptedChanges = 0;
MatchFinder Finder;
AutoPtrReplacer Replacer(getReplacements(), AcceptedChanges,
/*Owner=*/*this);
OwnershipTransferFixer Fixer(getReplacements(), AcceptedChanges,
/*Owner=*/*this);
Finder.addMatcher(makeAutoPtrTypeLocMatcher(), &Replacer);
Finder.addMatcher(makeAutoPtrUsingDeclMatcher(), &Replacer);
Finder.addMatcher(makeTransferOwnershipExprMatcher(), &Fixer);
setOverrides(InputStates);
if (Tool.run(createActionFactory(Finder))) {
llvm::errs() << "Error encountered during translation.\n";
return 1;
}
setAcceptedChanges(AcceptedChanges);
return 0;
}
struct ReplaceAutoPtrFactory : TransformFactory {
Transform *createTransform(const TransformOptions &Opts) LLVM_OVERRIDE {
return new ReplaceAutoPtrTransform(Opts);
}
};
// Register the factory using this statically initialized variable.
static TransformFactoryRegistry::Add<ReplaceAutoPtrFactory>
X("replace-auto_ptr", "Replace std::auto_ptr (deprecated) by std::unique_ptr"
" (EXPERIMENTAL)");
// This anchor is used to force the linker to link in the generated object file
// and thus register the factory.
volatile int ReplaceAutoPtrTransformAnchorSource = 0;