First steps towards implementing ArrayBuffer &co in V8

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index 86382e1d54188ed119925369f5d224323f6eae0b..834223261f301a88af8912c43f24da913ca7e93a 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -184,6 +184,8 @@ void HeapObject::HeapObjectPrint(FILE* out) {
     case JS_GLOBAL_PROPERTY_CELL_TYPE:
       JSGlobalPropertyCell::cast(this)->JSGlobalPropertyCellPrint(out);
       break;
+    case JS_ARRAY_BUFFER_TYPE:
+      JSArrayBuffer::cast(this)->JSArrayBufferPrint(out);
 #define MAKE_STRUCT_CASE(NAME, Name, name) \
   case NAME##_TYPE:                        \
     Name::cast(this)->Name##Print(out);    \
@@ -795,6 +797,16 @@ void JSWeakMap::JSWeakMapPrint(FILE* out) {
 }
 
 
+void JSArrayBuffer::JSArrayBufferPrint(FILE* out) {
+  HeapObject::PrintHeader(out, "JSArrayBuffer");
+  PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
+  PrintF(out, " - backing_store = -0x%p\n", backing_store());
+  PrintF(out, " - byte_length = ");
+  byte_length()->ShortPrint(out);
+  PrintF(out, "\n");
+}
+
+
 void JSFunction::JSFunctionPrint(FILE* out) {
   HeapObject::PrintHeader(out, "Function");
   PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));