llvm-project/clang-tools-extra/clang-modernize/UseAuto/UseAuto.cpp

69 lines
2.2 KiB
C++

//===-- UseAuto/UseAuto.cpp - Use auto type specifier ---------------------===//
//
// 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 UseAutoTransform class.
///
//===----------------------------------------------------------------------===//
#include "UseAuto.h"
#include "UseAutoActions.h"
#include "UseAutoMatchers.h"
using clang::ast_matchers::MatchFinder;
using namespace clang;
using namespace clang::tooling;
int UseAutoTransform::apply(const clang::tooling::CompilationDatabase &Database,
const std::vector<std::string> &SourcePaths) {
ClangTool UseAutoTool(Database, SourcePaths);
unsigned AcceptedChanges = 0;
MatchFinder Finder;
ReplacementsVec Replaces;
IteratorReplacer ReplaceIterators(AcceptedChanges, Options().MaxRiskLevel,
/*Owner=*/ *this);
NewReplacer ReplaceNew(AcceptedChanges, Options().MaxRiskLevel,
/*Owner=*/ *this);
Finder.addMatcher(makeIteratorDeclMatcher(), &ReplaceIterators);
Finder.addMatcher(makeDeclWithNewMatcher(), &ReplaceNew);
if (int Result = UseAutoTool.run(createActionFactory(Finder).get())) {
llvm::errs() << "Error encountered during translation.\n";
return Result;
}
setAcceptedChanges(AcceptedChanges);
return 0;
}
struct UseAutoFactory : TransformFactory {
UseAutoFactory() {
Since.Clang = Version(2, 9);
Since.Gcc = Version(4, 4);
Since.Icc = Version(12);
Since.Msvc = Version(10);
}
Transform *createTransform(const TransformOptions &Opts) override {
return new UseAutoTransform(Opts);
}
};
// Register the factory using this statically initialized variable.
static TransformFactoryRegistry::Add<UseAutoFactory>
X("use-auto", "Use of 'auto' type specifier");
// This anchor is used to force the linker to link in the generated object file
// and thus register the factory.
volatile int UseAutoTransformAnchorSource = 0;