Home | History | Annotate | Download | only in Tooling 
      1 //===--- Refactoring.cpp - Framework for clang refactoring tools ----------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 //  Implements tools to support refactorings.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "clang/Basic/DiagnosticOptions.h"
     15 #include "clang/Basic/FileManager.h"
     16 #include "clang/Basic/SourceManager.h"
     17 #include "clang/Frontend/TextDiagnosticPrinter.h"
     18 #include "clang/Lex/Lexer.h"
     19 #include "clang/Rewrite/Core/Rewriter.h"
     20 #include "clang/Tooling/Refactoring.h"
     21 #include "llvm/Support/FileSystem.h"
     22 #include "llvm/Support/Path.h"
     23 #include "llvm/Support/raw_os_ostream.h"
     24 
     25 namespace clang {
     26 namespace tooling {
     27 
     28 RefactoringTool::RefactoringTool(
     29     const CompilationDatabase &Compilations, ArrayRef<std::string> SourcePaths,
     30     std::shared_ptr<PCHContainerOperations> PCHContainerOps)
     31     : ClangTool(Compilations, SourcePaths, PCHContainerOps) {}
     32 
     33 Replacements &RefactoringTool::getReplacements() { return Replace; }
     34 
     35 int RefactoringTool::runAndSave(FrontendActionFactory *ActionFactory) {
     36   if (int Result = run(ActionFactory)) {
     37     return Result;
     38   }
     39 
     40   LangOptions DefaultLangOptions;
     41   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
     42   TextDiagnosticPrinter DiagnosticPrinter(llvm::errs(), &*DiagOpts);
     43   DiagnosticsEngine Diagnostics(
     44       IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()),
     45       &*DiagOpts, &DiagnosticPrinter, false);
     46   SourceManager Sources(Diagnostics, getFiles());
     47   Rewriter Rewrite(Sources, DefaultLangOptions);
     48 
     49   if (!applyAllReplacements(Rewrite)) {
     50     llvm::errs() << "Skipped some replacements.\n";
     51   }
     52 
     53   return saveRewrittenFiles(Rewrite);
     54 }
     55 
     56 bool RefactoringTool::applyAllReplacements(Rewriter &Rewrite) {
     57   return tooling::applyAllReplacements(Replace, Rewrite);
     58 }
     59 
     60 int RefactoringTool::saveRewrittenFiles(Rewriter &Rewrite) {
     61   return Rewrite.overwriteChangedFiles() ? 1 : 0;
     62 }
     63 
     64 } // end namespace tooling
     65 } // end namespace clang
     66