[regexp] move regexp parser into own files.

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")
 import("//build/config/sanitizers/sanitizers.gni")
 
 if (is_android) {
@@ skipping 1167 matching lines @@
     "src/property-details.h",
     "src/property.cc",
     "src/property.h",
     "src/prototype.h",
     "src/regexp/bytecodes-irregexp.h",
     "src/regexp/interpreter-irregexp.cc",
     "src/regexp/interpreter-irregexp.h",
     "src/regexp/jsregexp-inl.h",
     "src/regexp/jsregexp.cc",
     "src/regexp/jsregexp.h",
+    "src/regexp/regexp-ast.cc",
+    "src/regexp/regexp-ast.h",
     "src/regexp/regexp-macro-assembler-irregexp-inl.h",
     "src/regexp/regexp-macro-assembler-irregexp.cc",
     "src/regexp/regexp-macro-assembler-irregexp.h",
     "src/regexp/regexp-macro-assembler-tracer.cc",
     "src/regexp/regexp-macro-assembler-tracer.h",
     "src/regexp/regexp-macro-assembler.cc",
     "src/regexp/regexp-macro-assembler.h",
+    "src/regexp/regexp-parser.cc",
+    "src/regexp/regexp-parser.h",
     "src/regexp/regexp-stack.cc",
     "src/regexp/regexp-stack.h",
     "src/register-configuration.cc",
     "src/register-configuration.h",
     "src/runtime-profiler.cc",
     "src/runtime-profiler.h",
     "src/runtime/runtime-array.cc",
     "src/runtime/runtime-atomics.cc",
     "src/runtime/runtime-classes.cc",
     "src/runtime/runtime-collections.cc",
@@ skipping 675 matching lines @@
     if (!is_component_build) {
       sources += [
         "$target_gen_dir/d8-js.cc",
       ]
     }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }