[clang-tidy] Add an option to export suggested fixes into a file.

Allows gathering fixes and applying them with clang-apply-fixes.

Differential Revision: http://reviews.llvm.org/D5176

llvm-svn: 217139

1 files changed, 12 insertions, 0 deletions

diff --git a/clang-tools-extra/clang-tidy/ClangTidy.cpp b/clang-tools-extra/clang-tidy/ClangTidy.cpp
index f74077037d2..ccf56f6fa3a 100644
--- a/clang-tools-extra/clang-tidy/ClangTidy.cpp
+++ b/clang-tools-extra/clang-tidy/ClangTidy.cpp
@@ -34,6 +34,7 @@
 #include "clang/Rewrite/Frontend/FrontendActions.h"
 #include "clang/StaticAnalyzer/Frontend/AnalysisConsumer.h"
 #include "clang/Tooling/Refactoring.h"
+#include "clang/Tooling/ReplacementsYaml.h"
 #include "clang/Tooling/Tooling.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Process.h"
@@ -362,5 +363,16 @@ void handleErrors(const std::vector<ClangTidyError> &Errors, bool Fix) {
   Reporter.Finish();
 }
 
+void exportReplacements(const std::vector<ClangTidyError> &Errors,
+                        raw_ostream &OS) {
+  tooling::TranslationUnitReplacements TUR;
+  for (const ClangTidyError &Error : Errors)
+    TUR.Replacements.insert(TUR.Replacements.end(), Error.Fix.begin(),
+                            Error.Fix.end());
+
+  yaml::Output YAML(OS);
+  YAML << TUR;
+}
+
 } // namespace tidy
 } // namespace clang