Implement in-heap backing store for typed arrays.

src/factory.cc

 // Copyright 2013 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 519 matching lines @@
       isolate(),
       isolate()->heap()->AllocateByteArray(length, pretenure),
       ByteArray);
 }
 
 
 Handle<ExternalArray> Factory::NewExternalArray(int length,
                                                 ExternalArrayType array_type,
                                                 void* external_pointer,
                                                 PretenureFlag pretenure) {
-  ASSERT(0 <= length);
+  ASSERT(0 <= length && length <= Smi::kMaxValue);
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateExternalArray(length,
                                                array_type,
                                                external_pointer,
                                                pretenure),
       ExternalArray);
 }
 
 
+Handle<FixedTypedArrayBase> Factory::NewFixedTypedArray(
+    int length,
+    ExternalArrayType array_type,
+    PretenureFlag pretenure) {
+  ASSERT(0 <= length && length <= Smi::kMaxValue);
+  CALL_HEAP_FUNCTION(
+      isolate(),
+      isolate()->heap()->AllocateFixedTypedArray(length,
+                                                 array_type,
+                                                 pretenure),
+      FixedTypedArrayBase);
+}
+
+
 Handle<Cell> Factory::NewCell(Handle<Object> value) {
   AllowDeferredHandleDereference convert_to_cell;
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateCell(*value),
       Cell);
 }
 
 
 Handle<PropertyCell> Factory::NewPropertyCellWithHole() {
@@ skipping 1236 matching lines @@
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 } }  // namespace v8::internal