[regexp] Remove unused code

src/runtime/runtime-regexp.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/conversions-inl.h"
 #include "src/isolate-inl.h"
 #include "src/messages.h"
@@ skipping 802 matching lines @@
   CONVERT_ARG_HANDLE_CHECKED(RegExpMatchInfo, last_match_info, 3);
   // Due to the way the JS calls are constructed this must be less than the
   // length of a string, i.e. it is always a Smi.  We check anyway for security.
   CHECK(index >= 0);
   CHECK(index <= subject->length());
   isolate->counters()->regexp_entry_runtime()->Increment();
   RETURN_RESULT_OR_FAILURE(
       isolate, RegExpImpl::Exec(regexp, subject, index, last_match_info));
 }
 
-
-RUNTIME_FUNCTION(Runtime_RegExpFlags) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSRegExp, regexp, 0);
-  return regexp->flags();
-}
-
-RUNTIME_FUNCTION(Runtime_RegExpSource) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSRegExp, regexp, 0);
-  return regexp->source();
-}
-
-// TODO(jgruber): Remove this once all uses in regexp.js have been removed.
-RUNTIME_FUNCTION(Runtime_RegExpConstructResult) {
-  HandleScope handle_scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_SMI_ARG_CHECKED(size, 0);
-  CHECK(size >= 0 && size <= FixedArray::kMaxLength);
-  CONVERT_ARG_HANDLE_CHECKED(Object, index, 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, input, 2);
-  Handle<FixedArray> elements = isolate->factory()->NewFixedArray(size);
-  Handle<Map> regexp_map(isolate->native_context()->regexp_result_map());
-  Handle<JSObject> object =
-      isolate->factory()->NewJSObjectFromMap(regexp_map, NOT_TENURED);
-  Handle<JSArray> array = Handle<JSArray>::cast(object);
-  array->set_elements(*elements);
-  array->set_length(Smi::FromInt(size));
-  // Write in-object properties after the length of the array.
-  array->InObjectPropertyAtPut(JSRegExpResult::kIndexIndex, *index);
-  array->InObjectPropertyAtPut(JSRegExpResult::kInputIndex, *input);
-  return *array;
-}
-
-RUNTIME_FUNCTION(Runtime_RegExpInitializeAndCompile) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSRegExp, regexp, 0);
-  CONVERT_ARG_HANDLE_CHECKED(String, source, 1);
-  CONVERT_ARG_HANDLE_CHECKED(String, flags, 2);
-
-  RETURN_FAILURE_ON_EXCEPTION(isolate,
-                              JSRegExp::Initialize(regexp, source, flags));
-
-  return *regexp;
-}
-
 RUNTIME_FUNCTION(Runtime_RegExpInternalReplace) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 3);
   CONVERT_ARG_HANDLE_CHECKED(JSRegExp, regexp, 0);
   CONVERT_ARG_HANDLE_CHECKED(String, subject, 1);
   CONVERT_ARG_HANDLE_CHECKED(String, replacement, 2);
 
   Handle<RegExpMatchInfo> internal_match_info =
       isolate->regexp_internal_match_info();
 
@@ skipping 617 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_IsRegExp) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   return isolate->heap()->ToBoolean(obj->IsJSRegExp());
 }
 
 }  // namespace internal
 }  // namespace v8