Thread/Isolate refactoring: new(Isolate) -> new(Zone)

runtime/vm/native_entry.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_NATIVE_ENTRY_H_
 #define VM_NATIVE_ENTRY_H_
 
 #include "platform/memory_sanitizer.h"
 
 #include "vm/allocation.h"
@@ skipping 21 matching lines @@
   RawObject* retval = value;                                                   \
   ASSERT(retval->IsDartInstance());                                            \
   arguments->SetReturnUnsafe(retval);
 #else
 #define SET_NATIVE_RETVAL(arguments, value)                                    \
   arguments->SetReturnUnsafe(value);
 #endif
 
 #define DEFINE_NATIVE_ENTRY(name, argument_count)                              \
   static RawObject* DN_Helper##name(Isolate* isolate,                          \
+                                    Thread* thread,                            \
+                                    Zone* zone,                                \
                                     NativeArguments* arguments);               \
   void NATIVE_ENTRY_FUNCTION(name)(Dart_NativeArguments args) {                \
     CHECK_STACK_ALIGNMENT;                                                     \
     VERIFY_ON_TRANSITION;                                                      \
     NativeArguments* arguments = reinterpret_cast<NativeArguments*>(args);     \
     /* Tell MemorySanitizer 'arguments' is initialized by generated code. */   \
     MSAN_UNPOISON(arguments, sizeof(*arguments));                              \
     ASSERT(arguments->NativeArgCount() == argument_count);                     \
     TRACE_NATIVE_CALL("%s", ""#name);                                          \
     {                                                                          \
-      StackZone zone(arguments->isolate());                                    \
+      Isolate* isolate = arguments->isolate();                                 \
+      /* TODO(koda): Pivot from Isolate to Thread in NativeArguments. */       \
+      Thread* thread = Thread::CurrentFromCurrentIsolate(isolate);             \
+      StackZone zone(isolate);                                                 \
       SET_NATIVE_RETVAL(arguments,                                             \
-                        DN_Helper##name(arguments->isolate(), arguments));     \
+                        DN_Helper##name(isolate,                               \
+                                        thread,                                \
+                                        zone.GetZone(),                        \
+                                        arguments));                           \
       DEOPTIMIZE_ALOT;                                                         \
     }                                                                          \
     VERIFY_ON_TRANSITION;                                                      \
   }                                                                            \
   static RawObject* DN_Helper##name(Isolate* isolate,                          \
+                                    Thread* thread,                            \
+                                    Zone* zone,                                \
                                     NativeArguments* arguments)
 
 
 // Natives should throw an exception if an illegal argument or null is passed.
 // type name = value.
 #define GET_NON_NULL_NATIVE_ARGUMENT(type, name, value)                        \
   const Instance& __##name##_instance__ =                                      \
       Instance::CheckedHandle(isolate, value);                                 \
   if (!__##name##_instance__.Is##type()) {                                     \
     const Array& __args__ = Array::Handle(Array::New(1));                      \
@@ skipping 33 matching lines @@
                                                uword pc);
   static const uint8_t* ResolveSymbol(uword pc);
   static void NativeCallWrapper(Dart_NativeArguments args,
                                 Dart_NativeFunction func);
   static const ExternalLabel& NativeCallWrapperLabel();
 };
 
 }  // namespace dart
 
 #endif  // VM_NATIVE_ENTRY_H_