freebsd-dev/contrib/llvm/tools/clang/lib/Rewrite/RewriteTest.cpp
Dimitry Andric dff0c46c97 Upgrade our copy of llvm/clang to trunk r154661, in preparation of the
upcoming 3.1 release (expected in a few weeks).  Preliminary release
notes can be found at: <http://llvm.org/docs/ReleaseNotes.html>

MFC after:	2 weeks
2012-04-16 21:23:25 +00:00

40 lines
1.2 KiB
C++

//===--- RewriteTest.cpp - Rewriter playground ----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This is a testbed.
//
//===----------------------------------------------------------------------===//
#include "clang/Rewrite/Rewriters.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Rewrite/TokenRewriter.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);
}