[interpreter] Add basic framework for bytecode handler code generation.

BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/mips.gni")
 
 # Because standalone V8 builds are not supported, assume this is part of a
 # Chromium build.
@@ skipping 694 matching lines @@
     "src/compiler/graph.cc",
     "src/compiler/graph.h",
     "src/compiler/greedy-allocator.cc",
     "src/compiler/greedy-allocator.h",
     "src/compiler/instruction-codes.h",
     "src/compiler/instruction-selector-impl.h",
     "src/compiler/instruction-selector.cc",
     "src/compiler/instruction-selector.h",
     "src/compiler/instruction.cc",
     "src/compiler/instruction.h",
+    "src/compiler/interpreter-assembler.cc",
+    "src/compiler/interpreter-assembler.h",
     "src/compiler/js-builtin-reducer.cc",
     "src/compiler/js-builtin-reducer.h",
     "src/compiler/js-context-relaxation.cc",
     "src/compiler/js-context-relaxation.h",
     "src/compiler/js-context-specialization.cc",
     "src/compiler/js-context-specialization.h",
     "src/compiler/js-frame-specialization.cc",
     "src/compiler/js-frame-specialization.h",
     "src/compiler/js-generic-lowering.cc",
     "src/compiler/js-generic-lowering.h",
@@ skipping 263 matching lines @@
     "src/ic/ic.cc",
     "src/ic/ic.h",
     "src/ic/ic-compiler.cc",
     "src/ic/ic-compiler.h",
     "src/ic/stub-cache.cc",
     "src/ic/stub-cache.h",
     "src/interface-descriptors.cc",
     "src/interface-descriptors.h",
     "src/interpreter-irregexp.cc",
     "src/interpreter-irregexp.h",
+    "src/interpreter/bytecodes.cc",
+    "src/interpreter/bytecodes.h",
+    "src/interpreter/interpreter.cc",
+    "src/interpreter/interpreter.h",
     "src/isolate.cc",
     "src/isolate.h",
     "src/json-parser.h",
     "src/json-stringifier.h",
     "src/jsregexp-inl.h",
     "src/jsregexp.cc",
     "src/jsregexp.h",
     "src/layout-descriptor-inl.h",
     "src/layout-descriptor.cc",
     "src/layout-descriptor.h",
@@ skipping 754 matching lines @@
     if (!is_component_build) {
       sources += [
         "$target_gen_dir/d8-js.cc",
       ]
     }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }