[refactor] Separate generated builtins and C++ builtins into separate files

src/builtins/builtins-utils.h

 // Copyright 2016 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_BUILTINS_BUILTINS_UTILS_H_
 #define V8_BUILTINS_BUILTINS_UTILS_H_
 
 #include "src/arguments.h"
 #include "src/base/logging.h"
 #include "src/builtins/builtins.h"
 #include "src/factory.h"
 #include "src/isolate.h"
 
 namespace v8 {
 namespace internal {
 
-namespace compiler {
-class CodeAssemblerState;
-}
-
 // Arguments object passed to C++ builtins.
 class BuiltinArguments : public Arguments {
  public:
   BuiltinArguments(int length, Object** arguments)
       : Arguments(length, arguments) {
     // Check we have at least the receiver.
     DCHECK_LE(1, this->length());
   }
 
   Object*& operator[](int index) {
@@ skipping 69 matching lines @@
       return Builtin_Impl_Stats_##name(args_length, args_object, isolate);    \
     }                                                                         \
     BuiltinArguments args(args_length, args_object);                          \
     return Builtin_Impl_##name(args, isolate);                                \
   }                                                                           \
                                                                               \
   MUST_USE_RESULT static Object* Builtin_Impl_##name(BuiltinArguments args,   \
                                                      Isolate* isolate)
 
 // ----------------------------------------------------------------------------
-// Support macro for defining builtins with Turbofan.
-// ----------------------------------------------------------------------------
-//
-// A builtin function is defined by writing:
-//
-//   TF_BUILTIN(name, code_assember_base_class) {
-//     ...
-//   }
-//
-// In the body of the builtin function the arguments can be accessed
-// as "Parameter(n)".
-#define TF_BUILTIN(Name, AssemblerBase)                                 \
-  class Name##Assembler : public AssemblerBase {                        \
-   public:                                                              \
-    explicit Name##Assembler(compiler::CodeAssemblerState* state)       \
-        : AssemblerBase(state) {}                                       \
-    void Generate##Name##Impl();                                        \
-  };                                                                    \
-  void Builtins::Generate_##Name(compiler::CodeAssemblerState* state) { \
-    Name##Assembler assembler(state);                                   \
-    assembler.Generate##Name##Impl();                                   \
-  }                                                                     \
-  void Name##Assembler::Generate##Name##Impl()
-
-// ----------------------------------------------------------------------------
 
 #define CHECK_RECEIVER(Type, name, method)                                  \
   if (!args.receiver()->Is##Type()) {                                       \
     THROW_NEW_ERROR_RETURN_FAILURE(                                         \
         isolate,                                                            \
         NewTypeError(MessageTemplate::kIncompatibleMethodReceiver,          \
                      isolate->factory()->NewStringFromAsciiChecked(method), \
                      args.receiver()));                                     \
   }                                                                         \
   Handle<Type> name = Handle<Type>::cast(args.receiver())
 
 // Throws a TypeError for {method} if the receiver is not coercible to Object,
 // or converts the receiver to a String otherwise and assigns it to a new var
 // with the given {name}.
 #define TO_THIS_STRING(name, method)                                          \
   if (args.receiver()->IsNullOrUndefined(isolate)) {                          \
     THROW_NEW_ERROR_RETURN_FAILURE(                                           \
         isolate,                                                              \
         NewTypeError(MessageTemplate::kCalledOnNullOrUndefined,               \
                      isolate->factory()->NewStringFromAsciiChecked(method))); \
   }                                                                           \
   Handle<String> name;                                                        \
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(                                         \
       isolate, name, Object::ToString(isolate, args.receiver()))
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_BUILTINS_UTILS_H_