[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/utils.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 150 matching lines @@
     if (write == 0) {
       return total;
     }
     total += write;
     str += write;
   }
   return total;
 }
 
 
+int AppendChars(const char* filename,
+                const char* str,
+                int size,
+                bool verbose) {
+  FILE* f = OS::FOpen(filename, "ab");
+  if (f == NULL) {
+    if (verbose) {
+      OS::PrintError("Cannot open file %s for writing.\n", filename);
+    }
+    return 0;
+  }
+  int written = WriteCharsToFile(str, size, f);
+  fclose(f);
+  return written;
+}
+
+
 int WriteChars(const char* filename,
                const char* str,
                int size,
                bool verbose) {
   FILE* f = OS::FOpen(filename, "wb");
   if (f == NULL) {
     if (verbose) {
       OS::PrintError("Cannot open file %s for writing.\n", filename);
     }
     return 0;
@@ skipping 26 matching lines @@
 
 void StringBuilder::AddSubstring(const char* s, int n) {
   ASSERT(!is_finalized() && position_ + n < buffer_.length());
   ASSERT(static_cast<size_t>(n) <= strlen(s));
   memcpy(&buffer_[position_], s, n * kCharSize);
   position_ += n;
 }
 
 
 void StringBuilder::AddFormatted(const char* format, ...) {
+  va_list arguments;
+  va_start(arguments, format);
+  AddFormattedList(format, arguments);
+  va_end(arguments);
+}
+
+
+void StringBuilder::AddFormattedList(const char* format, va_list list) {
   ASSERT(!is_finalized() && position_ < buffer_.length());
-  va_list args;
-  va_start(args, format);
-  int n = OS::VSNPrintF(buffer_ + position_, format, args);
-  va_end(args);
+  int n = OS::VSNPrintF(buffer_ + position_, format, list);
   if (n < 0 || n >= (buffer_.length() - position_)) {
     position_ = buffer_.length();
   } else {
     position_ += n;
   }
 }
 
 
 void StringBuilder::AddPadding(char c, int count) {
   for (int i = 0; i < count; i++) {
     AddCharacter(c);
   }
 }
 
 
 char* StringBuilder::Finalize() {
   ASSERT(!is_finalized() && position_ < buffer_.length());
   buffer_[position_] = '\0';
   // Make sure nobody managed to add a 0-character to the
   // buffer while building the string.
   ASSERT(strlen(buffer_.start()) == static_cast<size_t>(position_));
   position_ = -1;
   ASSERT(is_finalized());
   return buffer_.start();
 }
 
 
 } }  // namespace v8::internal