1 files changed, 38 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Frontend/Rewrite/RewriteTest.cpp b/contrib/llvm-project/clang/lib/Frontend/Rewrite/RewriteTest.cpp
new file mode 100644
index 000000000000..fa8232c8c3c9
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Frontend/Rewrite/RewriteTest.cpp
@@ -0,0 +1,38 @@
+//===--- RewriteTest.cpp - Rewriter playground ----------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This is a testbed.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Lex/Preprocessor.h"
+#include "clang/Rewrite/Core/TokenRewriter.h"
+#include "clang/Rewrite/Frontend/Rewriters.h"
+#include "llvm/Support/raw_ostream.h"
+
+void clang::DoRewriteTest(Preprocessor &PP, raw_ostream *OS) {
+  SourceManager &SM = PP.getSourceManager();
+  const LangOptions &LangOpts = PP.getLangOpts();
+
+  TokenRewriter Rewriter(SM.getMainFileID(), SM, LangOpts);
+
+  // Throw <i> </i> tags around comments.
+  for (TokenRewriter::token_iterator I = Rewriter.token_begin(),
+       E = Rewriter.token_end(); I != E; ++I) {
+    if (I->isNot(tok::comment)) continue;
+
+    Rewriter.AddTokenBefore(I, "<i>");
+    Rewriter.AddTokenAfter(I, "</i>");
+  }
+
+
+  // Print out the output.
+  for (TokenRewriter::token_iterator I = Rewriter.token_begin(),
+       E = Rewriter.token_end(); I != E; ++I)
+    *OS << PP.getSpelling(*I);
+}