Preview of a first step towards unification of hydrogen calls

src/isolate.h

 // Copyright 2012 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 1060 matching lines @@
     date_cache_ = date_cache;
   }
 
   Map* get_initial_js_array_map(ElementsKind kind);
 
   bool IsFastArrayConstructorPrototypeChainIntact();
 
   CodeStubInterfaceDescriptor*
       code_stub_interface_descriptor(int index);
 
+  enum CallDescriptorKey {
+    KeyedCall,
+    NamedCall,
+    ArgumentAdaptorCall,
+    NUMBER_OF_CALL_DESCRIPTORS
+  };
+
+  CodeStubInterfaceDescriptor* call_descriptor(CallDescriptorKey index);
+
   void IterateDeferredHandles(ObjectVisitor* visitor);
   void LinkDeferredHandles(DeferredHandles* deferred_handles);
   void UnlinkDeferredHandles(DeferredHandles* deferred_handles);
 
 #ifdef DEBUG
   bool IsDeferredHandle(Object** location);
 #endif  // DEBUG
 
   void set_max_available_threads(int value) {
     max_available_threads_ = value;
@@ skipping 202 matching lines @@
   unibrow::Mapping<unibrow::CanonicalizationRange> jsregexp_canonrange_;
   ConsStringIteratorOp objects_string_compare_iterator_a_;
   ConsStringIteratorOp objects_string_compare_iterator_b_;
   StaticResource<ConsStringIteratorOp> objects_string_iterator_;
   unibrow::Mapping<unibrow::Ecma262Canonicalize>
       regexp_macro_assembler_canonicalize_;
   RegExpStack* regexp_stack_;
   DateCache* date_cache_;
   unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_;
   CodeStubInterfaceDescriptor* code_stub_interface_descriptors_;
+  CodeStubInterfaceDescriptor* call_descriptors_;
   RandomNumberGenerator* random_number_generator_;
 
   // True if fatal error has been signaled for this isolate.
   bool has_fatal_error_;
 
   // True if we are using the Crankshaft optimizing compiler.
   bool use_crankshaft_;
 
   // True if this isolate was initialized from a snapshot.
   bool initialized_from_snapshot_;
@@ skipping 253 matching lines @@
   }
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_