Combine typed and pixel arrays.

src/runtime.cc

 // Copyright 2010 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 154 matching lines @@
               // Creating object copy for literals. No strict mode needed.
               copy->SetProperty(key_string, result, NONE, kNonStrictMode);
           if (!maybe_result->ToObject(&result)) return maybe_result;
         }
       }
     }
   }
 
   // Deep copy local elements.
   // Pixel elements cannot be created using an object literal.
-  ASSERT(!copy->HasPixelElements() && !copy->HasExternalArrayElements());
+  ASSERT(!copy->HasExternalArrayElements());
   switch (copy->GetElementsKind()) {
     case JSObject::FAST_ELEMENTS: {
       FixedArray* elements = FixedArray::cast(copy->elements());
       if (elements->map() == Heap::fixed_cow_array_map()) {
         Counters::cow_arrays_created_runtime.Increment();
 #ifdef DEBUG
         for (int i = 0; i < elements->length(); i++) {
           ASSERT(!elements->get(i)->IsJSObject());
         }
 #endif
@@ skipping 8134 matching lines @@
           if (index < range) {
             indices->Add(index);
           }
         }
       }
       break;
     }
     default: {
       int dense_elements_length;
       switch (kind) {
-        case JSObject::PIXEL_ELEMENTS: {
+        case JSObject::EXTERNAL_PIXEL_ELEMENTS: {
         dense_elements_length =
-            PixelArray::cast(object->elements())->length();
+            ExternalPixelArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_BYTE_ELEMENTS: {
         dense_elements_length =
             ExternalByteArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_UNSIGNED_BYTE_ELEMENTS: {
         dense_elements_length =
             ExternalUnsignedByteArray::cast(object->elements())->length();
@@ skipping 103 matching lines @@
         Handle<Object> element = GetElement(receiver, index);
         if (element.is_null()) return false;
         visitor->visit(index, element);
         // Skip to next different index (i.e., omit duplicates).
         do {
           j++;
         } while (j < n && indices[j] == index);
       }
       break;
     }
-    case JSObject::PIXEL_ELEMENTS: {
-      Handle<PixelArray> pixels(PixelArray::cast(receiver->elements()));
+    case JSObject::EXTERNAL_PIXEL_ELEMENTS: {
+      Handle<ExternalPixelArray> pixels(ExternalPixelArray::cast(
+          receiver->elements()));
       for (uint32_t j = 0; j < length; j++) {
         Handle<Smi> e(Smi::FromInt(pixels->get(j)));
         visitor->visit(j, e);
       }
       break;
     }
     case JSObject::EXTERNAL_BYTE_ELEMENTS: {
       IterateExternalArrayElements<ExternalByteArray, int8_t>(
           receiver, true, true, visitor);
       break;
@@ skipping 3156 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     Counters::gc_last_resort_from_js.Increment();
     Heap::CollectAllGarbage(false);
   }
 }
 
 
 } }  // namespace v8::internal