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)28 RefactoringTool::RefactoringTool(const CompilationDatabase &Compilations,
29 ArrayRef<std::string> SourcePaths)
30 : ClangTool(Compilations, SourcePaths) {}
31
getReplacements()32 Replacements &RefactoringTool::getReplacements() { return Replace; }
33
runAndSave(FrontendActionFactory * ActionFactory)34 int RefactoringTool::runAndSave(FrontendActionFactory *ActionFactory) {
35 if (int Result = run(ActionFactory)) {
36 return Result;
37 }
38
39 LangOptions DefaultLangOptions;
40 IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
41 TextDiagnosticPrinter DiagnosticPrinter(llvm::errs(), &*DiagOpts);
42 DiagnosticsEngine Diagnostics(
43 IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()),
44 &*DiagOpts, &DiagnosticPrinter, false);
45 SourceManager Sources(Diagnostics, getFiles());
46 Rewriter Rewrite(Sources, DefaultLangOptions);
47
48 if (!applyAllReplacements(Rewrite)) {
49 llvm::errs() << "Skipped some replacements.\n";
50 }
51
52 return saveRewrittenFiles(Rewrite);
53 }
54
applyAllReplacements(Rewriter & Rewrite)55 bool RefactoringTool::applyAllReplacements(Rewriter &Rewrite) {
56 return tooling::applyAllReplacements(Replace, Rewrite);
57 }
58
saveRewrittenFiles(Rewriter & Rewrite)59 int RefactoringTool::saveRewrittenFiles(Rewriter &Rewrite) {
60 return Rewrite.overwriteChangedFiles() ? 1 : 0;
61 }
62
63 } // end namespace tooling
64 } // end namespace clang
65