rev 52948 : 8213754: PPC64: Add Intrinsics for isDigit/isLowerCase/isUpperCase/isWhitespace
Reviewed-by: kvn, rriggs, mdoerr, gromero
1 /*
2 * Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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7 * published by the Free Software Foundation. Oracle designates this
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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
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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 isWhitespace(int ch);
32 abstract boolean isMirrored(int ch);
33 abstract boolean isJavaIdentifierStart(int ch);
34 abstract boolean isJavaIdentifierPart(int ch);
35 abstract boolean isUnicodeIdentifierStart(int ch);
36 abstract boolean isUnicodeIdentifierPart(int ch);
37 abstract boolean isIdentifierIgnorable(int ch);
38 abstract int toLowerCase(int ch);
39 abstract int toUpperCase(int ch);
40 abstract int toTitleCase(int ch);
41 abstract int digit(int ch, int radix);
42 abstract int getNumericValue(int ch);
43 abstract byte getDirectionality(int ch);
44
45 //need to implement for JSR204
46 int toUpperCaseEx(int ch) {
47 return toUpperCase(ch);
48 }
49
50 char[] toUpperCaseCharArray(int ch) {
51 return null;
52 }
53
54 boolean isOtherLowercase(int ch) {
55 return false;
56 }
57
58 boolean isOtherUppercase(int ch) {
59 return false;
60 }
61
62 boolean isOtherAlphabetic(int ch) {
63 return false;
64 }
65
66 boolean isIdeographic(int ch) {
67 return false;
68 }
69
70 // Character <= 0xff (basic latin) is handled by internal fast-path
71 // to avoid initializing large tables.
72 // Note: performance of this "fast-path" code may be sub-optimal
73 // in negative cases for some accessors due to complicated ranges.
74 // Should revisit after optimization of table initialization.
75
76 static final CharacterData of(int ch) {
77 if (ch >>> 8 == 0) { // fast-path
78 return CharacterDataLatin1.instance;
79 } else {
80 switch(ch >>> 16) { //plane 00-16
81 case(0):
82 return CharacterData00.instance;
83 case(1):
84 return CharacterData01.instance;
85 case(2):
86 return CharacterData02.instance;
87 case(14):
88 return CharacterData0E.instance;
89 case(15): // Private Use
90 case(16): // Private Use
91 return CharacterDataPrivateUse.instance;
92 default:
93 return CharacterDataUndefined.instance;
94 }
95 }
96 }
97 }
--- EOF ---