Flat string reader

src/objects-inl.h

 // 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 261 matching lines @@
   return full_representation_tag() == (kExternalStringTag | kAsciiStringTag);
 }
 
 
 bool StringShape::IsExternalTwoByte() {
   return (type_ & (kStringRepresentationMask | kStringEncodingMask)) ==
          (kExternalStringTag | kTwoByteStringTag);
 }
 
 
+uc32 FlatStringReader::Get(int index) {
+  ASSERT(0 <= index && index <= length_);
+  if (is_ascii_) {
+    return static_cast<const byte*>(start_)[index];
+  } else {
+    return static_cast<const uc16*>(start_)[index];
+  }
+}
+
+
 bool Object::IsNumber() {
   return IsSmi() || IsHeapNumber();
 }
 
 
 bool Object::IsByteArray() {
   return Object::IsHeapObject()
     && HeapObject::cast(this)->map()->instance_type() == BYTE_ARRAY_TYPE;
 }
 
@@ skipping 2165 matching lines @@
 #undef WRITE_INT_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_