Pass type argument vector to generic functions (if --reify-generic-functions is

runtime/lib/function.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/bootstrap_natives.h"
 
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/exceptions.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
 DEFINE_NATIVE_ENTRY(Function_apply, 2) {
-  const Array& fun_arguments = Array::CheckedHandle(arguments->NativeArgAt(0));
-  const Array& fun_arg_names = Array::CheckedHandle(arguments->NativeArgAt(1));
+  const int kTypeArgsLen = 0;  // TODO(regis): Add support for generic function.
+  const Array& fun_arguments =
+      Array::CheckedHandle(zone, arguments->NativeArgAt(0));
+  const Array& fun_arg_names =
+      Array::CheckedHandle(zone, arguments->NativeArgAt(1));
   const Array& fun_args_desc = Array::Handle(
-      ArgumentsDescriptor::New(fun_arguments.Length(), fun_arg_names));
-  const Object& result =
-      Object::Handle(DartEntry::InvokeClosure(fun_arguments, fun_args_desc));
+      zone, ArgumentsDescriptor::New(kTypeArgsLen, fun_arguments.Length(),
+                                     fun_arg_names));
+  const Object& result = Object::Handle(
+      zone, DartEntry::InvokeClosure(fun_arguments, fun_args_desc));
   if (result.IsError()) {
     Exceptions::PropagateError(Error::Cast(result));
   }
   return result.raw();
 }
 
 
 DEFINE_NATIVE_ENTRY(Closure_equals, 2) {
   const Closure& receiver =
       Closure::CheckedHandle(zone, arguments->NativeArgAt(0));
   GET_NATIVE_ARGUMENT(Instance, other, arguments->NativeArgAt(1));
   ASSERT(!other.IsNull());
   if (receiver.raw() == other.raw()) return Bool::True().raw();
   if (other.IsClosure()) {
-    const Function& func_a = Function::Handle(receiver.function());
-    const Function& func_b = Function::Handle(Closure::Cast(other).function());
+    const Function& func_a = Function::Handle(zone, receiver.function());
+    const Function& func_b =
+        Function::Handle(zone, Closure::Cast(other).function());
     if (func_a.raw() == func_b.raw()) {
       ASSERT(!func_a.IsImplicitStaticClosureFunction());
       if (func_a.IsImplicitInstanceClosureFunction()) {
-        const Context& context_a = Context::Handle(receiver.context());
+        const Context& context_a = Context::Handle(zone, receiver.context());
         const Context& context_b =
-            Context::Handle(Closure::Cast(other).context());
-        const Object& receiver_a = Object::Handle(context_a.At(0));
-        const Object& receiver_b = Object::Handle(context_b.At(0));
+            Context::Handle(zone, Closure::Cast(other).context());
+        const Object& receiver_a = Object::Handle(zone, context_a.At(0));
+        const Object& receiver_b = Object::Handle(zone, context_b.At(0));
         if (receiver_a.raw() == receiver_b.raw()) return Bool::True().raw();
       }
     } else if (func_a.IsImplicitInstanceClosureFunction() &&
                func_b.IsImplicitInstanceClosureFunction()) {
       // TODO(rmacnak): Patch existing tears off during reload instead.
-      const Context& context_a = Context::Handle(receiver.context());
+      const Context& context_a = Context::Handle(zone, receiver.context());
       const Context& context_b =
-          Context::Handle(Closure::Cast(other).context());
-      const Object& receiver_a = Object::Handle(context_a.At(0));
-      const Object& receiver_b = Object::Handle(context_b.At(0));
+          Context::Handle(zone, Closure::Cast(other).context());
+      const Object& receiver_a = Object::Handle(zone, context_a.At(0));
+      const Object& receiver_b = Object::Handle(zone, context_b.At(0));
       if ((receiver_a.raw() == receiver_b.raw()) &&
           (func_a.name() == func_b.name()) &&
           (func_a.Owner() == func_b.Owner())) {
         return Bool::True().raw();
       }
     }
   }
   return Bool::False().raw();
 }
 
 
 DEFINE_NATIVE_ENTRY(Closure_hashCode, 1) {
   const Closure& receiver =
       Closure::CheckedHandle(zone, arguments->NativeArgAt(0));
-  const Function& func = Function::Handle(receiver.function());
+  const Function& func = Function::Handle(zone, receiver.function());
   return func.GetClosureHashCode();
 }
 
 
 DEFINE_NATIVE_ENTRY(Closure_clone, 1) {
   const Closure& receiver =
       Closure::CheckedHandle(zone, arguments->NativeArgAt(0));
   const TypeArguments& instantiator_type_arguments =
       TypeArguments::Handle(zone, receiver.instantiator_type_arguments());
   const TypeArguments& function_type_arguments =
       TypeArguments::Handle(zone, receiver.function_type_arguments());
   const Function& function = Function::Handle(zone, receiver.function());
   const Context& context = Context::Handle(zone, receiver.context());
   Context& cloned_context =
       Context::Handle(zone, Context::New(context.num_variables()));
   cloned_context.set_parent(Context::Handle(zone, context.parent()));
   Object& instance = Object::Handle(zone);
   for (int i = 0; i < context.num_variables(); i++) {
     instance = context.At(i);
     cloned_context.SetAt(i, instance);
   }
   return Closure::New(instantiator_type_arguments, function_type_arguments,
                       function, cloned_context);
 }
 
 
 }  // namespace dart