Separate UnicodeCache out into an own file.

src/unicode-cache-inl.h

+// Copyright 2015 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_UNICODE_CACHE_INL_H_
+#define V8_UNICODE_CACHE_INL_H_
+
+#include "src/unicode-inl.h"
+#include "src/unicode-cache.h"
+
+namespace v8 {
+namespace internal {
+
+bool UnicodeCache::IsIdentifierStart(unibrow::uchar c) {
+  return kIsIdentifierStart.get(c);
+}
+
+
+bool UnicodeCache::IsIdentifierPart(unibrow::uchar c) {
+  return kIsIdentifierPart.get(c);
+}
+
+
+bool UnicodeCache::IsLineTerminator(unibrow::uchar c) {
+  return kIsLineTerminator.get(c);
+}
+
+
+bool UnicodeCache::IsLineTerminatorSequence(unibrow::uchar c,
+                                            unibrow::uchar next) {
+  if (!IsLineTerminator(c)) return false;
+  if (c == 0x000d && next == 0x000a) return false;  // CR with following LF.
+  return true;
+}
+
+
+bool UnicodeCache::IsWhiteSpace(unibrow::uchar c) {
+  return kIsWhiteSpace.get(c);
+}
+
+
+bool UnicodeCache::IsWhiteSpaceOrLineTerminator(unibrow::uchar c) {
+  return kIsWhiteSpaceOrLineTerminator.get(c);
+}
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_UNICODE_CACHE_INL_H_