diff --git a/src/char-predicates-inl.h b/src/char-predicates-inl.h
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+// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef V8_CHAR_PREDICATES_INL_H_
+#define V8_CHAR_PREDICATES_INL_H_
+
+#include "char-predicates.h"
+
+namespace v8 {
+namespace internal {
+
+
+inline bool IsCarriageReturn(uc32 c) {
+  return c == 0x000D;
+}
+
+
+inline bool IsLineFeed(uc32 c) {
+  return c == 0x000A;
+}
+
+
+static inline bool IsInRange(int value, int lower_limit, int higher_limit) {
+  ASSERT(lower_limit <= higher_limit);
+  return static_cast<unsigned int>(value - lower_limit) <=
+      static_cast<unsigned int>(higher_limit - lower_limit);
+}
+
+
+inline bool IsDecimalDigit(uc32 c) {
+  // ECMA-262, 3rd, 7.8.3 (p 16)
+  return IsInRange(c, '0', '9');
+}
+
+
+inline bool IsHexDigit(uc32 c) {
+  // ECMA-262, 3rd, 7.6 (p 15)
+  return IsDecimalDigit(c) || IsInRange(c | 0x20, 'a', 'f');
+}
+
+
+inline bool IsRegExpWord(uc16 c) {
+  return IsInRange(c | 0x20, 'a', 'z')
+      || IsDecimalDigit(c)
+      || (c == '_');
+}
+
+
+inline bool IsRegExpNewline(uc16 c) {
+  switch (c) {
+    //   CR           LF           LS           PS
+    case 0x000A: case 0x000D: case 0x2028: case 0x2029:
+      return false;
+    default:
+      return true;
+  }
+}
+
+
+} }  // namespace v8::internal
+
+#endif  // V8_CHAR_PREDICATES_INL_H_