diff --git a/lib/Frontend/FrontendActions.cpp b/lib/Frontend/FrontendActions.cpp
new file mode 100644
index 0000000..1c958a7
--- /dev/null
+++ b/lib/Frontend/FrontendActions.cpp
@@ -0,0 +1,311 @@
+//===--- FrontendActions.cpp ----------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Frontend/FrontendActions.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/Lex/Preprocessor.h"
+#include "clang/Parse/Parser.h"
+#include "clang/Basic/FileManager.h"
+#include "clang/Frontend/AnalysisConsumer.h"
+#include "clang/Frontend/ASTConsumers.h"
+#include "clang/Frontend/ASTUnit.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/FixItRewriter.h"
+#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Frontend/Utils.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace clang;
+
+//===----------------------------------------------------------------------===//
+// AST Consumer Actions
+//===----------------------------------------------------------------------===//
+
+ASTConsumer *AnalysisAction::CreateASTConsumer(CompilerInstance &CI,
+                                               llvm::StringRef InFile) {
+  return CreateAnalysisConsumer(CI.getPreprocessor(),
+                                CI.getFrontendOpts().OutputFile,
+                                CI.getAnalyzerOpts());
+}
+
+ASTConsumer *ASTPrintAction::CreateASTConsumer(CompilerInstance &CI,
+                                               llvm::StringRef InFile) {
+  if (llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, InFile))
+    return CreateASTPrinter(OS);
+  return 0;
+}
+
+ASTConsumer *ASTPrintXMLAction::CreateASTConsumer(CompilerInstance &CI,
+                                                  llvm::StringRef InFile) {
+  if (llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, InFile, "xml"))
+    return CreateASTPrinterXML(OS);
+  return 0;
+}
+
+ASTConsumer *ASTDumpAction::CreateASTConsumer(CompilerInstance &CI,
+                                              llvm::StringRef InFile) {
+  return CreateASTDumper();
+}
+
+ASTConsumer *ASTViewAction::CreateASTConsumer(CompilerInstance &CI,
+                                              llvm::StringRef InFile) {
+  return CreateASTViewer();
+}
+
+ASTConsumer *DeclContextPrintAction::CreateASTConsumer(CompilerInstance &CI,
+                                                       llvm::StringRef InFile) {
+  return CreateDeclContextPrinter();
+}
+
+ASTConsumer *DumpRecordAction::CreateASTConsumer(CompilerInstance &CI,
+                                                 llvm::StringRef InFile) {
+  return CreateRecordLayoutDumper();
+}
+
+ASTConsumer *GeneratePCHAction::CreateASTConsumer(CompilerInstance &CI,
+                                                  llvm::StringRef InFile) {
+  const std::string &Sysroot = CI.getHeaderSearchOpts().Sysroot;
+  if (CI.getFrontendOpts().RelocatablePCH &&
+      Sysroot.empty()) {
+    CI.getDiagnostics().Report(diag::err_relocatable_without_without_isysroot);
+    return 0;
+  }
+
+  llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, InFile);
+  if (!OS)
+    return 0;
+
+  if (CI.getFrontendOpts().RelocatablePCH)
+    return CreatePCHGenerator(CI.getPreprocessor(), OS, Sysroot.c_str());
+
+  return CreatePCHGenerator(CI.getPreprocessor(), OS);
+}
+
+ASTConsumer *HTMLPrintAction::CreateASTConsumer(CompilerInstance &CI,
+                                                llvm::StringRef InFile) {
+  if (llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, InFile))
+    return CreateHTMLPrinter(OS, CI.getPreprocessor());
+  return 0;
+}
+
+ASTConsumer *InheritanceViewAction::CreateASTConsumer(CompilerInstance &CI,
+                                                      llvm::StringRef InFile) {
+  return CreateInheritanceViewer(CI.getFrontendOpts().ViewClassInheritance);
+}
+
+FixItAction::FixItAction() {}
+FixItAction::~FixItAction() {}
+
+ASTConsumer *FixItAction::CreateASTConsumer(CompilerInstance &CI,
+                                            llvm::StringRef InFile) {
+  return new ASTConsumer();
+}
+
+/// AddFixItLocations - Add any individual user specified "fix-it" locations,
+/// and return true on success.
+static bool AddFixItLocations(CompilerInstance &CI,
+                              FixItRewriter &FixItRewrite) {
+  const std::vector<ParsedSourceLocation> &Locs =
+    CI.getFrontendOpts().FixItLocations;
+  for (unsigned i = 0, e = Locs.size(); i != e; ++i) {
+    const FileEntry *File = CI.getFileManager().getFile(Locs[i].FileName);
+    if (!File) {
+      CI.getDiagnostics().Report(diag::err_fe_unable_to_find_fixit_file)
+        << Locs[i].FileName;
+      return false;
+    }
+
+    RequestedSourceLocation Requested;
+    Requested.File = File;
+    Requested.Line = Locs[i].Line;
+    Requested.Column = Locs[i].Column;
+    FixItRewrite.addFixItLocation(Requested);
+  }
+
+  return true;
+}
+
+bool FixItAction::BeginSourceFileAction(CompilerInstance &CI,
+                                        llvm::StringRef Filename) {
+  Rewriter.reset(new FixItRewriter(CI.getDiagnostics(), CI.getSourceManager(),
+                                   CI.getLangOpts()));
+  if (!AddFixItLocations(CI, *Rewriter))
+    return false;
+
+  return true;
+}
+
+void FixItAction::EndSourceFileAction() {
+  const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
+  Rewriter->WriteFixedFile(getCurrentFile(), FEOpts.OutputFile);
+}
+
+ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
+                                                  llvm::StringRef InFile) {
+  if (llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, InFile, "cpp"))
+    return CreateObjCRewriter(InFile, OS,
+                              CI.getDiagnostics(), CI.getLangOpts(),
+                              CI.getDiagnosticOpts().NoRewriteMacros);
+  return 0;
+}
+
+ASTConsumer *SyntaxOnlyAction::CreateASTConsumer(CompilerInstance &CI,
+                                                 llvm::StringRef InFile) {
+  return new ASTConsumer();
+}
+
+CodeGenAction::CodeGenAction(unsigned _Act) : Act(_Act) {}
+
+ASTConsumer *CodeGenAction::CreateASTConsumer(CompilerInstance &CI,
+                                              llvm::StringRef InFile) {
+  BackendAction BA = static_cast<BackendAction>(Act);
+  llvm::OwningPtr<llvm::raw_ostream> OS;
+  switch (BA) {
+  case Backend_EmitAssembly:
+    OS.reset(CI.createDefaultOutputFile(false, InFile, "s"));
+    break;
+  case Backend_EmitLL:
+    OS.reset(CI.createDefaultOutputFile(false, InFile, "ll"));
+    break;
+  case Backend_EmitBC:
+    OS.reset(CI.createDefaultOutputFile(true, InFile, "bc"));
+    break;
+  case Backend_EmitNothing:
+    break;
+  case Backend_EmitObj:
+    OS.reset(CI.createDefaultOutputFile(true, InFile, "o"));
+    break;
+  }
+  if (BA != Backend_EmitNothing && !OS)
+    return 0;
+
+  return CreateBackendConsumer(BA, CI.getDiagnostics(), CI.getLangOpts(),
+                               CI.getCodeGenOpts(), CI.getTargetOpts(),
+                               CI.getFrontendOpts().ShowTimers, InFile,
+                               OS.take(), CI.getLLVMContext());
+}
+
+EmitAssemblyAction::EmitAssemblyAction()
+  : CodeGenAction(Backend_EmitAssembly) {}
+
+EmitBCAction::EmitBCAction() : CodeGenAction(Backend_EmitBC) {}
+
+EmitLLVMAction::EmitLLVMAction() : CodeGenAction(Backend_EmitLL) {}
+
+EmitLLVMOnlyAction::EmitLLVMOnlyAction() : CodeGenAction(Backend_EmitNothing) {}
+
+EmitObjAction::EmitObjAction() : CodeGenAction(Backend_EmitObj) {}
+
+//===----------------------------------------------------------------------===//
+// Preprocessor Actions
+//===----------------------------------------------------------------------===//
+
+void DumpRawTokensAction::ExecuteAction() {
+  Preprocessor &PP = getCompilerInstance().getPreprocessor();
+  SourceManager &SM = PP.getSourceManager();
+
+  // Start lexing the specified input file.
+  const llvm::MemoryBuffer *FromFile = SM.getBuffer(SM.getMainFileID());
+  Lexer RawLex(SM.getMainFileID(), FromFile, SM, PP.getLangOptions());
+  RawLex.SetKeepWhitespaceMode(true);
+
+  Token RawTok;
+  RawLex.LexFromRawLexer(RawTok);
+  while (RawTok.isNot(tok::eof)) {
+    PP.DumpToken(RawTok, true);
+    llvm::errs() << "\n";
+    RawLex.LexFromRawLexer(RawTok);
+  }
+}
+
+void DumpTokensAction::ExecuteAction() {
+  Preprocessor &PP = getCompilerInstance().getPreprocessor();
+  // Start preprocessing the specified input file.
+  Token Tok;
+  PP.EnterMainSourceFile();
+  do {
+    PP.Lex(Tok);
+    PP.DumpToken(Tok, true);
+    llvm::errs() << "\n";
+  } while (Tok.isNot(tok::eof));
+}
+
+void GeneratePTHAction::ExecuteAction() {
+  CompilerInstance &CI = getCompilerInstance();
+  if (CI.getFrontendOpts().OutputFile.empty() ||
+      CI.getFrontendOpts().OutputFile == "-") {
+    // FIXME: Don't fail this way.
+    // FIXME: Verify that we can actually seek in the given file.
+    llvm::llvm_report_error("PTH requires a seekable file for output!");
+  }
+  llvm::raw_fd_ostream *OS =
+    CI.createDefaultOutputFile(true, getCurrentFile());
+  if (!OS) return;
+
+  CacheTokens(CI.getPreprocessor(), OS);
+}
+
+void ParseOnlyAction::ExecuteAction() {
+  Preprocessor &PP = getCompilerInstance().getPreprocessor();
+  llvm::OwningPtr<Action> PA(new MinimalAction(PP));
+
+  Parser P(PP, *PA);
+  PP.EnterMainSourceFile();
+  P.ParseTranslationUnit();
+}
+
+void PreprocessOnlyAction::ExecuteAction() {
+  Preprocessor &PP = getCompilerInstance().getPreprocessor();
+
+  Token Tok;
+  // Start parsing the specified input file.
+  PP.EnterMainSourceFile();
+  do {
+    PP.Lex(Tok);
+  } while (Tok.isNot(tok::eof));
+}
+
+void PrintParseAction::ExecuteAction() {
+  CompilerInstance &CI = getCompilerInstance();
+  Preprocessor &PP = getCompilerInstance().getPreprocessor();
+  llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
+  if (!OS) return;
+
+  llvm::OwningPtr<Action> PA(CreatePrintParserActionsAction(PP, OS));
+
+  Parser P(PP, *PA);
+  PP.EnterMainSourceFile();
+  P.ParseTranslationUnit();
+}
+
+void PrintPreprocessedAction::ExecuteAction() {
+  CompilerInstance &CI = getCompilerInstance();
+  // Output file needs to be set to 'Binary', to avoid converting Unix style
+  // line feeds (<LF>) to Microsoft style line feeds (<CR><LF>).
+  llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
+  if (!OS) return;
+
+  DoPrintPreprocessedInput(CI.getPreprocessor(), OS,
+                           CI.getPreprocessorOutputOpts());
+}
+
+void RewriteMacrosAction::ExecuteAction() {
+  CompilerInstance &CI = getCompilerInstance();
+  llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
+  if (!OS) return;
+
+  RewriteMacrosInInput(CI.getPreprocessor(), OS);
+}
+
+void RewriteTestAction::ExecuteAction() {
+  CompilerInstance &CI = getCompilerInstance();
+  llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
+  if (!OS) return;
+
+  DoRewriteTest(CI.getPreprocessor(), OS);
+}