Revert of Rework CallApi*Stubs.

src/interface-descriptors.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/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 namespace {
@@ skipping 476 matching lines @@
   Zone* zone = isolate->interface_descriptor_zone();
   FunctionType* function =
       Type::Function(AnyTagged(zone), Type::Undefined(), 4, zone)->AsFunction();
   function->InitParameter(0, Type::Receiver());          // JSFunction
   function->InitParameter(1, AnyTagged(zone));           // the new target
   function->InitParameter(2, UntaggedIntegral32(zone));  // actual #arguments
   function->InitParameter(3, UntaggedIntegral32(zone));  // expected #arguments
   return function;
 }
 
-CallInterfaceDescriptor ApiCallbackDescriptorBase::ForArgs(Isolate* isolate,
-                                                           int argc) {
-  switch (argc) {
-    case 0:
-      return ApiCallbackWith0ArgsDescriptor(isolate);
-    case 1:
-      return ApiCallbackWith1ArgsDescriptor(isolate);
-    case 2:
-      return ApiCallbackWith2ArgsDescriptor(isolate);
-    case 3:
-      return ApiCallbackWith3ArgsDescriptor(isolate);
-    case 4:
-      return ApiCallbackWith4ArgsDescriptor(isolate);
-    case 5:
-      return ApiCallbackWith5ArgsDescriptor(isolate);
-    case 6:
-      return ApiCallbackWith6ArgsDescriptor(isolate);
-    case 7:
-      return ApiCallbackWith7ArgsDescriptor(isolate);
-    default:
-      UNREACHABLE();
-      return VoidDescriptor(isolate);
-  }
+FunctionType* ApiFunctionDescriptor::BuildCallInterfaceDescriptorFunctionType(
+    Isolate* isolate, int paramater_count) {
+  Zone* zone = isolate->interface_descriptor_zone();
+  FunctionType* function =
+      Type::Function(AnyTagged(zone), Type::Undefined(), 5, zone)->AsFunction();
+  function->InitParameter(0, AnyTagged(zone));           // callee
+  function->InitParameter(1, AnyTagged(zone));           // call_data
+  function->InitParameter(2, AnyTagged(zone));           // holder
+  function->InitParameter(3, ExternalPointer(zone));     // api_function_address
+  function->InitParameter(4, UntaggedIntegral32(zone));  // actual #arguments
+  return function;
 }
 
-FunctionType*
-ApiCallbackDescriptorBase::BuildCallInterfaceDescriptorFunctionTypeWithArg(
-    Isolate* isolate, int parameter_count, int argc) {
+FunctionType* ApiAccessorDescriptor::BuildCallInterfaceDescriptorFunctionType(
+    Isolate* isolate, int paramater_count) {
   Zone* zone = isolate->interface_descriptor_zone();
   FunctionType* function =
-      Type::Function(AnyTagged(zone), Type::Undefined(), 4 + argc, zone)
-          ->AsFunction();
+      Type::Function(AnyTagged(zone), Type::Undefined(), 4, zone)->AsFunction();
   function->InitParameter(0, AnyTagged(zone));        // callee
   function->InitParameter(1, AnyTagged(zone));        // call_data
   function->InitParameter(2, AnyTagged(zone));        // holder
   function->InitParameter(3, ExternalPointer(zone));  // api_function_address
-  for (int i = 0; i < argc; i++) {
-    function->InitParameter(i, AnyTagged(zone));
-  }
   return function;
 }
 
 FunctionType*
 InterpreterDispatchDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int parameter_count) {
   Zone* zone = isolate->interface_descriptor_zone();
   FunctionType* function =
       Type::Function(AnyTagged(zone), Type::Undefined(), 5, zone)->AsFunction();
   function->InitParameter(kAccumulatorParameter, AnyTagged(zone));
   function->InitParameter(kRegisterFileParameter, ExternalPointer(zone));
   function->InitParameter(kBytecodeOffsetParameter, UntaggedIntegral32(zone));
   function->InitParameter(kBytecodeArrayParameter, AnyTagged(zone));
   function->InitParameter(kDispatchTableParameter, AnyTagged(zone));
   return function;
 }
 
 }  // namespace internal
 }  // namespace v8