Rudimentary assertion expansion

src/char-predicates-inl.h

 // 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
@@ skipping 41 matching lines @@
 
 inline bool IsHexDigit(uc32 c) {
   // ECMA-262, 3rd, 7.6 (p 15)
   return
     ('0' <= c && c <= '9') ||
     ('A' <= c && c <= 'F') ||
     ('a' <= c && c <= 'f');
 }
 
 
+inline bool IsRegExpWord(uc16 c) {
+  return ('a' <= c && c <= 'z')
+      || ('A' <= c && c <= 'Z')
+      || ('0' <= c && c <= '9')
+      || (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_