Regexp logging and stl

src/log.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 338 matching lines @@
 
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
 void Logger::LogString(Handle<String> str) {
   StringShape shape(*str);
   int len = str->length(shape);
   if (len > 256)
     len = 256;
   for (int i = 0; i < len; i++) {
     uc32 c = str->Get(shape, i);
-    if (c < 32 || (c > 126 && c <= 255)) {
+    if (c > 0xff) {
+      fprintf(logfile_, "\\u%04x", c);
+    } else if (c < 32 || c > 126) {
       fprintf(logfile_, "\\x%02x", c);
-    } else if (c > 255) {
-      fprintf(logfile_, "\\u%04x", c);
     } else if (c == ',') {
       fprintf(logfile_, "\\,");
+    } else if (c == '\\') {
+      fprintf(logfile_, "\\\\");
     } else {
       fprintf(logfile_, "%lc", c);
     }
   }
 }
 
 void Logger::LogRegExpSource(Handle<JSRegExp> regexp) {
   // Prints "/" + re.source + "/" +
   //      (re.global?"g":"") + (re.ignorecase?"i":"") + (re.multiline?"m":"")
 
@@ skipping 466 matching lines @@
   if (FLAG_log_state_changes) {
     LOG(StringEvent("Leaving", StateToString(state_)));
     if (previous_) {
       LOG(StringEvent("To", StateToString(previous_->state_)));
     }
   }
 }
 #endif
 
 } }  // namespace v8::internal