Strip Interface class of most of its logic, make it all about Module exports

src/x64/full-codegen-x64.cc

 // Copyright 2012 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 879 matching lines @@
       VisitForStackValue(declaration->fun());
       __ CallRuntime(Runtime::kDeclareLookupSlot, 4);
       break;
     }
   }
 }
 
 
 void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) {
   Variable* variable = declaration->proxy()->var();
+  Interface* interface = declaration->module()->interface();
   DCHECK(variable->location() == Variable::CONTEXT);
-  DCHECK(variable->interface()->IsFrozen());
+  DCHECK(interface->IsFrozen());
 
   Comment cmnt(masm_, "[ ModuleDeclaration");
   EmitDebugCheckDeclarationContext(variable);
 
   // Load instance object.
   __ LoadContext(rax, scope_->ContextChainLength(scope_->ScriptScope()));
-  __ movp(rax, ContextOperand(rax, variable->interface()->Index()));
+  __ movp(rax, ContextOperand(rax, interface->Index()));
   __ movp(rax, ContextOperand(rax, Context::EXTENSION_INDEX));
 
   // Assign it.
   __ movp(ContextOperand(rsi, variable->index()), rax);
   // We know that we have written a module, which is not a smi.
   __ RecordWriteContextSlot(rsi,
                             Context::SlotOffset(variable->index()),
                             rax,
                             rcx,
                             kDontSaveFPRegs,
@@ skipping 4447 matching lines @@
   DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64