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
RefactoringTool(const CompilationDatabase & Compilations,ArrayRef<std::string> SourcePaths,std::shared_ptr<PCHContainerOperations> PCHContainerOps)28 RefactoringTool::RefactoringTool(
29 const CompilationDatabase &Compilations, ArrayRef<std::string> SourcePaths,
30 std::shared_ptr<PCHContainerOperations> PCHContainerOps)
31 : ClangTool(Compilations, SourcePaths, PCHContainerOps) {}
32
getReplacements()33 Replacements &RefactoringTool::getReplacements() { return Replace; }
34
runAndSave(FrontendActionFactory * ActionFactory)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
applyAllReplacements(Rewriter & Rewrite)56 bool RefactoringTool::applyAllReplacements(Rewriter &Rewrite) {
57 return tooling::applyAllReplacements(Replace, Rewrite);
58 }
59
saveRewrittenFiles(Rewriter & Rewrite)60 int RefactoringTool::saveRewrittenFiles(Rewriter &Rewrite) {
61 return Rewrite.overwriteChangedFiles() ? 1 : 0;
62 }
63
64 } // end namespace tooling
65 } // end namespace clang
66