llvm-project/clang/lib/Tooling/Refactoring.cpp

65 lines
2.1 KiB
C++

//===--- Refactoring.cpp - Framework for clang refactoring tools ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Implements tools to support refactorings.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/Lex/Lexer.h"
#include "clang/Rewrite/Core/Rewriter.h"
#include "clang/Tooling/Refactoring.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_os_ostream.h"
namespace clang {
namespace tooling {
RefactoringTool::RefactoringTool(const CompilationDatabase &Compilations,
ArrayRef<std::string> SourcePaths)
: ClangTool(Compilations, SourcePaths) {}
Replacements &RefactoringTool::getReplacements() { return Replace; }
int RefactoringTool::runAndSave(FrontendActionFactory *ActionFactory) {
if (int Result = run(ActionFactory)) {
return Result;
}
LangOptions DefaultLangOptions;
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
TextDiagnosticPrinter DiagnosticPrinter(llvm::errs(), &*DiagOpts);
DiagnosticsEngine Diagnostics(
IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()),
&*DiagOpts, &DiagnosticPrinter, false);
SourceManager Sources(Diagnostics, getFiles());
Rewriter Rewrite(Sources, DefaultLangOptions);
if (!applyAllReplacements(Rewrite)) {
llvm::errs() << "Skipped some replacements.\n";
}
return saveRewrittenFiles(Rewrite);
}
bool RefactoringTool::applyAllReplacements(Rewriter &Rewrite) {
return tooling::applyAllReplacements(Replace, Rewrite);
}
int RefactoringTool::saveRewrittenFiles(Rewriter &Rewrite) {
return Rewrite.overwriteChangedFiles() ? 1 : 0;
}
} // end namespace tooling
} // end namespace clang