VM: Implement closure calls as instance calls.

runtime/vm/code_generator.cc

 // Copyright (c) 2013, 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/code_generator.h"
 
 #include "vm/assembler.h"
 #include "vm/ast.h"
 #include "vm/bigint_operations.h"
 #include "vm/code_patcher.h"
@@ skipping 932 matching lines @@
   const Object& result = Object::Handle(
       DartEntry::InvokeNoSuchMethod(receiver,
                                     original_function_name,
                                     orig_arguments,
                                     orig_arguments_desc));
   CheckResultError(result);
   arguments.SetReturn(result);
 }
 
 
-// A non-closure object was invoked as a closure, so call the "call" method
-// on it.
-// Arg0: arguments descriptor.
-// Arg1: arguments array, including non-closure object.
-DEFINE_RUNTIME_ENTRY(InvokeNonClosure, 2) {
-  const Array& args_descriptor = Array::CheckedHandle(arguments.ArgAt(0));
-  const Array& function_args = Array::CheckedHandle(arguments.ArgAt(1));
-
-  const Object& result = Object::Handle(
-      DartEntry::InvokeClosure(function_args, args_descriptor));
-  CheckResultError(result);
-  arguments.SetReturn(result);
-}
-
-
 static bool CanOptimizeFunction(const Function& function, Isolate* isolate) {
   const intptr_t kLowInvocationCount = -100000000;
   if (isolate->debugger()->IsStepping() ||
       isolate->debugger()->HasBreakpoint(function)) {
     // We cannot set breakpoints and single step in optimized code,
     // so do not optimize the function.
     function.set_usage_counter(0);
     return false;
   }
   if (function.deoptimization_counter() >=
@@ skipping 534 matching lines @@
 // of the given value.
 //   Arg0: Field object;
 //   Arg1: Value that is being stored.
 DEFINE_RUNTIME_ENTRY(UpdateFieldCid, 2) {
   const Field& field = Field::CheckedHandle(arguments.ArgAt(0));
   const Object& value = Object::Handle(arguments.ArgAt(1));
   field.UpdateGuardedCidAndLength(value);
 }
 
 }  // namespace dart