[Interpreter] Add support for JS calls.

src/compiler/raw-machine-assembler.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 #define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 
 #include "src/assembler.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
@@ skipping 464 matching lines @@
     return HeapConstant(isolate()->factory()->InternalizeUtf8String(string));
   }
 
   // Call a given call descriptor and the given arguments.
   Node* CallN(CallDescriptor* desc, Node* function, Node** args);
   // Call a given call descriptor and the given arguments and frame-state.
   Node* CallNWithFrameState(CallDescriptor* desc, Node* function, Node** args,
                             Node* frame_state);
   // Tail call the given call descriptor and the given arguments.
   Node* TailCallN(CallDescriptor* call_descriptor, Node* function, Node** args);
+  // Call a given call descriptor with a variable number of arguments.
+  Node* CallVarArgs(CallDescriptor* desc, Node* function, Node** fixed_args,
+                    Node* first_var_arg, Node* last_var_arg);
   // Call through CallFunctionStub with lazy deopt and frame-state.
   Node* CallFunctionStub0(Node* function, Node* receiver, Node* context,
                           Node* frame_state, CallFunctionFlags flags);
   // Call to a runtime function with zero arguments.
   Node* CallRuntime1(Runtime::FunctionId function, Node* arg0, Node* context,
                      Node* frame_state);
   // Call to a C function with zero arguments.
   Node* CallCFunction0(MachineType return_type, Node* function);
   // Call to a C function with one parameter.
   Node* CallCFunction1(MachineType return_type, MachineType arg0_type,
@@ skipping 93 matching lines @@
   BasicBlock* current_block_;
 
   DISALLOW_COPY_AND_ASSIGN(RawMachineAssembler);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_