Separate UnicodeCache out into an own file.

src/dateparser-inl.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_DATEPARSER_INL_H_
 #define V8_DATEPARSER_INL_H_
 
 #include "src/char-predicates-inl.h"
 #include "src/dateparser.h"
+#include "src/unicode-cache-inl.h"
 
 namespace v8 {
 namespace internal {
 
 template <typename Char>
 bool DateParser::Parse(Vector<Char> str,
                        FixedArray* out,
                        UnicodeCache* unicode_cache) {
   DCHECK(out->length() >= OUTPUT_SIZE);
   InputReader<Char> in(unicode_cache, str);
@@ skipping 166 matching lines @@
   }
   if (in_->SkipParentheses()) {
     return DateToken::Unknown();
   }
   in_->Next();
   return DateToken::Unknown();
 }
 
 
 template <typename Char>
+bool DateParser::InputReader<Char>::SkipWhiteSpace() {
+  if (unicode_cache_->IsWhiteSpaceOrLineTerminator(ch_)) {
+    Next();
+    return true;
+  }
+  return false;
+}
+
+
+template <typename Char>
+bool DateParser::InputReader<Char>::SkipParentheses() {
+  if (ch_ != '(') return false;
+  int balance = 0;
+  do {
+    if (ch_ == ')') --balance;
+    else if (ch_ == '(') ++balance;
+    Next();
+  } while (balance > 0 && ch_);
+  return true;
+}
+
+
+template <typename Char>
 DateParser::DateToken DateParser::ParseES6DateTime(
     DateStringTokenizer<Char>* scanner,
     DayComposer* day,
     TimeComposer* time,
     TimeZoneComposer* tz) {
   DCHECK(day->IsEmpty());
   DCHECK(time->IsEmpty());
   DCHECK(tz->IsEmpty());
 
   // Parse mandatory date string: [('-'|'+')yy]yyyy[':'MM[':'DD]]
@@ skipping 93 matching lines @@
   }
   // Successfully parsed ES6 Date Time String.
   day->set_iso_date();
   return DateToken::EndOfInput();
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_DATEPARSER_INL_H_