More OStreamsUse OStreams more often.

src/ostreams.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 
 #include "src/ostreams.h"
 
 #if V8_OS_WIN
 #define snprintf sprintf_s
@@ skipping 140 matching lines @@
   if (f_) fwrite(s, n, 1, f_);
   return *this;
 }
 
 
 OFStream& OFStream::flush() {
   if (f_) fflush(f_);
   return *this;
 }
 
+
+OStream& operator<<(OStream& os, const AsUC16& c) {
+  char buf[10];
+  const char* format = (0x20 <= c.value && c.value <= 0x7F)
+                           ? "%c"
+                           : (c.value <= 0xff) ? "\\x%02x" : "\\u%04x";
+  snprintf(buf, sizeof(buf), format, c.value);
+  return os << buf;
+}
 } }  // namespace v8::internal