1 //===--- RewriteTest.cpp - Rewriter playground ----------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
14 #include "clang/Rewrite/Frontend/Rewriters.h"
15 #include "clang/Lex/Preprocessor.h"
16 #include "clang/Rewrite/Core/TokenRewriter.h"
17 #include "llvm/Support/raw_ostream.h"
19 void clang::DoRewriteTest(Preprocessor &PP, raw_ostream* OS) {
20 SourceManager &SM = PP.getSourceManager();
21 const LangOptions &LangOpts = PP.getLangOpts();
23 TokenRewriter Rewriter(SM.getMainFileID(), SM, LangOpts);
25 // Throw <i> </i> tags around comments.
26 for (TokenRewriter::token_iterator I = Rewriter.token_begin(),
27 E = Rewriter.token_end(); I != E; ++I) {
28 if (I->isNot(tok::comment)) continue;
30 Rewriter.AddTokenBefore(I, "<i>");
31 Rewriter.AddTokenAfter(I, "</i>");
35 // Print out the output.
36 for (TokenRewriter::token_iterator I = Rewriter.token_begin(),
37 E = Rewriter.token_end(); I != E; ++I)
38 *OS << PP.getSpelling(*I);