add scafolding to play around with and bring up the code rewriter.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42855 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 43 insertions, 0 deletions

diff --git a/Driver/RewriteTest.cpp b/Driver/RewriteTest.cpp
new file mode 100644
index 0000000000..ef1a9b0822
--- /dev/null
+++ b/Driver/RewriteTest.cpp
@@ -0,0 +1,43 @@
+//===--- RewriteTest.cpp - Playground for the code rewriter ---------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Hacks and fun related to the code rewriter.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ASTConsumers.h"
+#include "clang/AST/AST.h"
+#include "clang/AST/ASTConsumer.h"
+
+using namespace clang;
+
+
+namespace {
+  class ASTViewer : public ASTConsumer {
+    SourceManager *SM;
+  public:
+    void Initialize(ASTContext &Context, unsigned MainFileID) {
+      SM = &Context.SourceMgr;
+    }
+    
+    virtual void HandleTopLevelDecl(Decl *D);
+  };
+}
+
+ASTConsumer *clang::CreateCodeRewriterTest() { return new ASTViewer(); }
+
+
+
+
+void ASTViewer::HandleTopLevelDecl(Decl *D) {
+  if (NamedDecl *ND = dyn_cast<NamedDecl>(D))
+    if (ND->getName())
+      printf("%s\n", ND->getName());
+  
+}