Support Float64Arrays

src/runtime.cc

 // Copyright 2011 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 8585 matching lines @@
             indices->Add(index);
           }
         }
       }
       break;
     }
     default: {
       int dense_elements_length;
       switch (kind) {
         case JSObject::EXTERNAL_PIXEL_ELEMENTS: {
-        dense_elements_length =
-            ExternalPixelArray::cast(object->elements())->length();
+          dense_elements_length =
+              ExternalPixelArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_BYTE_ELEMENTS: {
-        dense_elements_length =
-            ExternalByteArray::cast(object->elements())->length();
+          dense_elements_length =
+              ExternalByteArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_UNSIGNED_BYTE_ELEMENTS: {
-        dense_elements_length =
-            ExternalUnsignedByteArray::cast(object->elements())->length();
+          dense_elements_length =
+              ExternalUnsignedByteArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_SHORT_ELEMENTS: {
-        dense_elements_length =
-            ExternalShortArray::cast(object->elements())->length();
+          dense_elements_length =
+              ExternalShortArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_UNSIGNED_SHORT_ELEMENTS: {
-        dense_elements_length =
-            ExternalUnsignedShortArray::cast(object->elements())->length();
+          dense_elements_length =
+              ExternalUnsignedShortArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_INT_ELEMENTS: {
-        dense_elements_length =
-            ExternalIntArray::cast(object->elements())->length();
+          dense_elements_length =
+              ExternalIntArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_UNSIGNED_INT_ELEMENTS: {
-        dense_elements_length =
-            ExternalUnsignedIntArray::cast(object->elements())->length();
+          dense_elements_length =
+              ExternalUnsignedIntArray::cast(object->elements())->length();
           break;
         }
         case JSObject::EXTERNAL_FLOAT_ELEMENTS: {
-        dense_elements_length =
-            ExternalFloatArray::cast(object->elements())->length();
+          dense_elements_length =
+              ExternalFloatArray::cast(object->elements())->length();
+          break;
+        }
+        case JSObject::EXTERNAL_DOUBLE_ELEMENTS: {
+          dense_elements_length =
+              ExternalDoubleArray::cast(object->elements())->length();
           break;
         }
         default:
           UNREACHABLE();
           dense_elements_length = 0;
           break;
       }
       uint32_t length = static_cast<uint32_t>(dense_elements_length);
       if (range <= length) {
         length = range;
@@ skipping 113 matching lines @@
     case JSObject::EXTERNAL_UNSIGNED_INT_ELEMENTS: {
       IterateExternalArrayElements<ExternalUnsignedIntArray, uint32_t>(
           isolate, receiver, true, false, visitor);
       break;
     }
     case JSObject::EXTERNAL_FLOAT_ELEMENTS: {
       IterateExternalArrayElements<ExternalFloatArray, float>(
           isolate, receiver, false, false, visitor);
       break;
     }
+    case JSObject::EXTERNAL_DOUBLE_ELEMENTS: {
+      IterateExternalArrayElements<ExternalDoubleArray, double>(
+          isolate, receiver, false, false, visitor);
+      break;
+    }
     default:
       UNREACHABLE();
       break;
   }
   visitor->increase_index_offset(length);
   return true;
 }
 
 
 /**
@@ skipping 3189 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(false);
   }
 }
 
 
 } }  // namespace v8::internal