[regexp] Port remaining JS functions in regexp.js

src/builtins/builtins.h

 // Copyright 2011 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_H_
 #define V8_BUILTINS_BUILTINS_H_
 
 #include "src/base/flags.h"
 #include "src/handles.h"
 
@@ skipping 557 matching lines @@
   CPP(RegExpCapture1Getter)                                                   \
   CPP(RegExpCapture2Getter)                                                   \
   CPP(RegExpCapture3Getter)                                                   \
   CPP(RegExpCapture4Getter)                                                   \
   CPP(RegExpCapture5Getter)                                                   \
   CPP(RegExpCapture6Getter)                                                   \
   CPP(RegExpCapture7Getter)                                                   \
   CPP(RegExpCapture8Getter)                                                   \
   CPP(RegExpCapture9Getter)                                                   \
   CPP(RegExpConstructor)                                                      \
+  CPP(RegExpInitialize)                                                       \
+  TFJ(RegExpInternalMatch, 3)                                                 \
+  TFJ(RegExpInternalReplace, 4)                                               \

[Yang, 2016/10/13 11:51:11]

I would have implemented internal match and replace in C++ first, since we only
use that in i18n? But I guess since you already have that in TF we can keep it
this way.

[jgruber, 2016/10/13 12:02:38]

It's explained in the commit message why these two are TurboFan stubs. Plus,
both of them are pretty trivial so we don't lose much on readability.

   CPP(RegExpInputGetter)                                                      \
   CPP(RegExpInputSetter)                                                      \
+  CPP(RegExpIsRegExp)                                                         \
   CPP(RegExpLastMatchGetter)                                                  \
   CPP(RegExpLastParenGetter)                                                  \
   CPP(RegExpLeftContextGetter)                                                \
   CPP(RegExpPrototypeCompile)                                                 \
   TFJ(RegExpPrototypeExec, 2)                                                 \
   TFJ(RegExpPrototypeFlagsGetter, 1)                                          \
   TFJ(RegExpPrototypeGlobalGetter, 1)                                         \
   TFJ(RegExpPrototypeIgnoreCaseGetter, 1)                                     \
   CPP(RegExpPrototypeMatch)                                                   \
   TFJ(RegExpPrototypeMultilineGetter, 1)                                      \
@@ skipping 219 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_BUILTINS_H_