[Isolates] Merge from bleeding_edge to isolates, revisions 6100-6300.

src/objects-inl.h

 // 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 737 matching lines @@
 bool Object::IsTrue() {
   return IsOddball() && Oddball::cast(this)->kind() == Oddball::kTrue;
 }
 
 
 bool Object::IsFalse() {
   return IsOddball() && Oddball::cast(this)->kind() == Oddball::kFalse;
 }
 
 
+bool Object::IsArgumentsMarker() {
+  return IsOddball() && Oddball::cast(this)->kind() == Oddball::kArgumentMarker;
+}
+
+
 double Object::Number() {
   ASSERT(IsNumber());
   return IsSmi()
     ? static_cast<double>(reinterpret_cast<Smi*>(this)->value())
     : reinterpret_cast<HeapNumber*>(this)->value();
 }
 
 
 MaybeObject* Object::ToSmi() {
   if (IsSmi()) return this;
@@ skipping 1545 matching lines @@
                    static_cast<byte>(value));
 }
 
 
 InstanceType Map::instance_type() {
   return static_cast<InstanceType>(READ_BYTE_FIELD(this, kInstanceTypeOffset));
 }
 
 
 void Map::set_instance_type(InstanceType value) {
-  ASSERT(0 <= value && value < 256);
   WRITE_BYTE_FIELD(this, kInstanceTypeOffset, value);
 }
 
 
 int Map::unused_property_fields() {
   return READ_BYTE_FIELD(this, kUnusedPropertyFieldsOffset);
 }
 
 
 void Map::set_unused_property_fields(int value) {
@@ skipping 969 matching lines @@
   return code() != GetIsolate()->builtins()->builtin(Builtins::LazyCompile);
 }
 
 
 int JSFunction::NumberOfLiterals() {
   return literals()->length();
 }
 
 
 Object* JSBuiltinsObject::javascript_builtin(Builtins::JavaScript id) {
-  ASSERT(0 <= id && id < kJSBuiltinsCount);
+  ASSERT(id < kJSBuiltinsCount);  // id is unsigned.
   return READ_FIELD(this, OffsetOfFunctionWithId(id));
 }
 
 
 void JSBuiltinsObject::set_javascript_builtin(Builtins::JavaScript id,
                                               Object* value) {
-  ASSERT(0 <= id && id < kJSBuiltinsCount);
+  ASSERT(id < kJSBuiltinsCount);  // id is unsigned.
   WRITE_FIELD(this, OffsetOfFunctionWithId(id), value);
   WRITE_BARRIER(this, OffsetOfFunctionWithId(id));
 }
 
 
 Code* JSBuiltinsObject::javascript_builtin_code(Builtins::JavaScript id) {
-  ASSERT(0 <= id && id < kJSBuiltinsCount);
+  ASSERT(id < kJSBuiltinsCount);  // id is unsigned.
   return Code::cast(READ_FIELD(this, OffsetOfCodeWithId(id)));
 }
 
 
 void JSBuiltinsObject::set_javascript_builtin_code(Builtins::JavaScript id,
                                                    Code* value) {
-  ASSERT(0 <= id && id < kJSBuiltinsCount);
+  ASSERT(id < kJSBuiltinsCount);  // id is unsigned.
   WRITE_FIELD(this, OffsetOfCodeWithId(id), value);
   ASSERT(!HEAP->InNewSpace(value));
 }
 
 
 Address Proxy::proxy() {
   return AddressFrom<Address>(READ_INTPTR_FIELD(this, kProxyOffset));
 }
 
 
@@ skipping 661 matching lines @@
 #undef WRITE_INT_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_