Introduce ENABLE_LATIN_1 compile flag

src/objects-inl.h

 // Copyright 2012 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 327 matching lines @@
   }
 }
 
 
 bool String::HasOnlyAsciiChars() {
   uint32_t type = map()->instance_type();
   return (type & kAsciiDataHintMask) == kAsciiDataHintTag;
 }
 
 
+bool String::IsOneByteConvertible() {
+  return HasOnlyAsciiChars() || IsOneByteRepresentation();
+}
+
+
 bool StringShape::IsCons() {
   return (type_ & kStringRepresentationMask) == kConsStringTag;
 }
 
 
 bool StringShape::IsSliced() {
   return (type_ & kStringRepresentationMask) == kSlicedStringTag;
 }
 
 
@@ skipping 2240 matching lines @@
 }
 
 
 uint16_t SeqOneByteString::SeqOneByteStringGet(int index) {
   ASSERT(index >= 0 && index < length());
   return READ_BYTE_FIELD(this, kHeaderSize + index * kCharSize);
 }
 
 
 void SeqOneByteString::SeqOneByteStringSet(int index, uint16_t value) {
-  ASSERT(index >= 0 && index < length() && value <= kMaxAsciiCharCode);
+  ASSERT(index >= 0 && index < length() && value <= kMaxOneByteCharCode);
   WRITE_BYTE_FIELD(this, kHeaderSize + index * kCharSize,
                    static_cast<byte>(value));
 }
 
 
 Address SeqOneByteString::GetCharsAddress() {
   return FIELD_ADDR(this, kHeaderSize);
 }
 
 
 char* SeqOneByteString::GetChars() {
   return reinterpret_cast<char*>(GetCharsAddress());
 }
 
 
+uint8_t* SeqOneByteString::GetCharsU() {
+  return reinterpret_cast<uint8_t*>(GetCharsAddress());
+}
+
+
 Address SeqTwoByteString::GetCharsAddress() {
   return FIELD_ADDR(this, kHeaderSize);
 }
 
 
 uc16* SeqTwoByteString::GetChars() {
   return reinterpret_cast<uc16*>(FIELD_ADDR(this, kHeaderSize));
 }
 
 
@@ skipping 3147 matching lines @@
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_