Add a new -rewrite-test option, which is basically a
playground to experiment with some new rewriter approaches. For now
it is probably the most complex version of 'cat' ever invented.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57406 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/RewriteTest.cpp b/Driver/RewriteTest.cpp
new file mode 100644
index 0000000..446ae1a
--- /dev/null
+++ b/Driver/RewriteTest.cpp
@@ -0,0 +1,41 @@
+//===--- 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/TokenRewriter.h"
+#include "clang.h"
+#include "clang/Lex/Preprocessor.h"
+#include <iostream>
+
+void clang::DoRewriteTest(Preprocessor &PP, const std::string &InFileName,
+ const std::string &OutFileName) {
+ SourceManager &SM = PP.getSourceManager();
+ const LangOptions &LangOpts = PP.getLangOptions();
+
+ std::pair<const char*,const char*> File =SM.getBufferData(SM.getMainFileID());
+
+ // Create a lexer to lex all the tokens of the main file in raw mode. Even
+ // though it is in raw mode, it will not return comments.
+ Lexer RawLex(SourceLocation::getFileLoc(SM.getMainFileID(), 0),
+ LangOpts, File.first, File.second);
+
+ RawLex.SetKeepWhitespaceMode(true);
+
+ Token RawTok;
+ RawLex.LexFromRawLexer(RawTok);
+ while (RawTok.isNot(tok::eof)) {
+ std::cout << PP.getSpelling(RawTok);
+ RawLex.LexFromRawLexer(RawTok);
+ }
+
+
+}
\ No newline at end of file