Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/unicode-cache.h b/src/unicode-cache.h
new file mode 100644
index 0000000..849025e
--- /dev/null
+++ b/src/unicode-cache.h
@@ -0,0 +1,47 @@
+// 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_H_
+#define V8_UNICODE_CACHE_H_
+
+#include "src/base/macros.h"
+#include "src/char-predicates.h"
+#include "src/unicode.h"
+#include "src/unicode-decoder.h"
+
+namespace v8 {
+namespace internal {
+
+// Caching predicates used by scanners.
+class UnicodeCache {
+ public:
+ UnicodeCache() {}
+ typedef unibrow::Utf8Decoder<512> Utf8Decoder;
+
+ StaticResource<Utf8Decoder>* utf8_decoder() { return &utf8_decoder_; }
+
+ inline bool IsIdentifierStart(unibrow::uchar c);
+ inline bool IsIdentifierPart(unibrow::uchar c);
+ inline bool IsLineTerminator(unibrow::uchar c);
+ inline bool IsLineTerminatorSequence(unibrow::uchar c, unibrow::uchar next);
+
+ inline bool IsWhiteSpace(unibrow::uchar c);
+ inline bool IsWhiteSpaceOrLineTerminator(unibrow::uchar c);
+
+ private:
+ unibrow::Predicate<IdentifierStart, 128> kIsIdentifierStart;
+ unibrow::Predicate<IdentifierPart, 128> kIsIdentifierPart;
+ unibrow::Predicate<unibrow::LineTerminator, 128> kIsLineTerminator;
+ unibrow::Predicate<WhiteSpace, 128> kIsWhiteSpace;
+ unibrow::Predicate<WhiteSpaceOrLineTerminator, 128>
+ kIsWhiteSpaceOrLineTerminator;
+ StaticResource<Utf8Decoder> utf8_decoder_;
+
+ DISALLOW_COPY_AND_ASSIGN(UnicodeCache);
+};
+
+} // namespace internal
+} // namespace v8
+
+#endif // V8_UNICODE_CACHE_H_