rev 52948 : 8213754: PPC64: Add Intrinsics for isDigit/isLowerCase/isUpperCase/isWhitespace
Reviewed-by: kvn, rriggs, mdoerr, gromero

   1 /*
   2  * Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
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   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.lang;
  27 
  28 abstract class CharacterData {
  29     abstract int getProperties(int ch);
  30     abstract int getType(int ch);
  31     abstract boolean isDigit(int ch);
  32     abstract boolean isLowerCase(int ch);
  33     abstract boolean isUpperCase(int ch);
  34     abstract boolean isWhitespace(int ch);
  35     abstract boolean isMirrored(int ch);
  36     abstract boolean isJavaIdentifierStart(int ch);
  37     abstract boolean isJavaIdentifierPart(int ch);
  38     abstract boolean isUnicodeIdentifierStart(int ch);
  39     abstract boolean isUnicodeIdentifierPart(int ch);
  40     abstract boolean isIdentifierIgnorable(int ch);
  41     abstract int toLowerCase(int ch);
  42     abstract int toUpperCase(int ch);
  43     abstract int toTitleCase(int ch);
  44     abstract int digit(int ch, int radix);
  45     abstract int getNumericValue(int ch);
  46     abstract byte getDirectionality(int ch);
  47 
  48     //need to implement for JSR204
  49     int toUpperCaseEx(int ch) {
  50         return toUpperCase(ch);
  51     }
  52 
  53     char[] toUpperCaseCharArray(int ch) {
  54         return null;
  55     }
  56 
  57     boolean isOtherLowercase(int ch) {
  58         return false;
  59     }
  60 
  61     boolean isOtherUppercase(int ch) {
  62         return false;
  63     }
  64 
  65     boolean isOtherAlphabetic(int ch) {
  66         return false;
  67     }
  68 
  69     boolean isIdeographic(int ch) {
  70         return false;
  71     }
  72 
  73     // Character <= 0xff (basic latin) is handled by internal fast-path
  74     // to avoid initializing large tables.
  75     // Note: performance of this "fast-path" code may be sub-optimal
  76     // in negative cases for some accessors due to complicated ranges.
  77     // Should revisit after optimization of table initialization.
  78 
  79     static final CharacterData of(int ch) {
  80         if (ch >>> 8 == 0) {     // fast-path
  81             return CharacterDataLatin1.instance;
  82         } else {
  83             switch(ch >>> 16) {  //plane 00-16
  84             case(0):
  85                 return CharacterData00.instance;
  86             case(1):
  87                 return CharacterData01.instance;
  88             case(2):
  89                 return CharacterData02.instance;
  90             case(14):
  91                 return CharacterData0E.instance;
  92             case(15):   // Private Use
  93             case(16):   // Private Use
  94                 return CharacterDataPrivateUse.instance;
  95             default:
  96                 return CharacterDataUndefined.instance;
  97             }
  98         }
  99     }
 100 }
--- EOF ---