v8 typed arrays: add DataView type

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index 891f0d2302daee66039130097592cd9981b56564..f58fd5f73abede94d748ad07e95ef6e77d74886a 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -201,6 +201,9 @@ void HeapObject::HeapObjectVerify() {
     case JS_ARRAY_BUFFER_TYPE:
       JSArrayBuffer::cast(this)->JSArrayBufferVerify();
       break;
+    case JS_DATA_VIEW_TYPE:
+      JSDataView::cast(this)->JSDataViewVerify();
+      break;
     case JS_TYPED_ARRAY_TYPE:
       JSTypedArray::cast(this)->JSTypedArrayVerify();
       break;
@@ -741,12 +744,29 @@ void JSFunctionProxy::JSFunctionProxyVerify() {
   VerifyPointer(construct_trap());
 }
 
+
 void JSArrayBuffer::JSArrayBufferVerify() {
   CHECK(IsJSArrayBuffer());
   JSObjectVerify();
   VerifyPointer(byte_length());
-  CHECK(byte_length()->IsSmi() || byte_length()->IsHeapNumber()
-        || byte_length()->IsUndefined());
+  CHECK(byte_length()->IsNumber() || byte_length()->IsUndefined());
+}
+
+
+void JSDataView::JSDataViewVerify() {
+  CHECK(IsJSDataView());
+  JSObjectVerify();
+
+  VerifyPointer(buffer());
+  CHECK(buffer()->IsJSArrayBuffer() || buffer()->IsUndefined());
+
+  VerifyPointer(byte_offset());
+  CHECK(byte_offset()->IsNumber() || byte_offset()->IsUndefined());
+
+  VerifyPointer(byte_length());
+  CHECK(byte_length()->IsNumber() || byte_length()->IsUndefined());
+
+  VerifyPointer(elements());
 }
 
 
@@ -757,16 +777,13 @@ void JSTypedArray::JSTypedArrayVerify() {
   CHECK(buffer()->IsJSArrayBuffer() || buffer()->IsUndefined());
 
   VerifyPointer(byte_offset());
-  CHECK(byte_offset()->IsSmi() || byte_offset()->IsHeapNumber()
-        || byte_offset()->IsUndefined());
+  CHECK(byte_offset()->IsNumber() || byte_offset()->IsUndefined());
 
   VerifyPointer(byte_length());
-  CHECK(byte_length()->IsSmi() || byte_length()->IsHeapNumber()
-        || byte_length()->IsUndefined());
+  CHECK(byte_length()->IsNumber() || byte_length()->IsUndefined());
 
   VerifyPointer(length());
-  CHECK(length()->IsSmi() || length()->IsHeapNumber()
-        || length()->IsUndefined());
+  CHECK(length()->IsNumber() || length()->IsUndefined());
 
   VerifyPointer(elements());
 }