test/tools/javac/lambdaShapes/org/openjdk/tests/shapegen/TTNode.java

Mon, 21 Jan 2013 20:15:16 +0000

author
mcimadamore
date
Mon, 21 Jan 2013 20:15:16 +0000
changeset 1512
b12ffdfa1341
parent 0
959103a6100f
permissions
-rw-r--r--

8005851: Remove support for synchronized interface methods
Summary: Synchronized default methods are no longer supported
Reviewed-by: jjg

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package org.openjdk.tests.shapegen;
aoqi@0 27
aoqi@0 28 import org.openjdk.tests.shapegen.ClassCase.Kind;
aoqi@0 29
aoqi@0 30 import java.util.ArrayList;
aoqi@0 31 import java.util.List;
aoqi@0 32 import java.util.Set;
aoqi@0 33
aoqi@0 34 import static org.openjdk.tests.shapegen.ClassCase.Kind.*;
aoqi@0 35
aoqi@0 36 /**
aoqi@0 37 * Type Template Node
aoqi@0 38 *
aoqi@0 39 * @author Robert Field
aoqi@0 40 */
aoqi@0 41 public class TTNode {
aoqi@0 42
aoqi@0 43 final List<TTNode> supertypes;
aoqi@0 44 final boolean canBeClass;
aoqi@0 45
aoqi@0 46 private int currentKindIndex;
aoqi@0 47 private Kind[] kinds;
aoqi@0 48
aoqi@0 49 public TTNode(List<TTNode> subtypes, boolean canBeClass) {
aoqi@0 50 this.supertypes = subtypes;
aoqi@0 51 this.canBeClass = canBeClass;
aoqi@0 52 }
aoqi@0 53
aoqi@0 54 public void start(boolean includeClasses) {
aoqi@0 55 kinds =
aoqi@0 56 supertypes.isEmpty()?
aoqi@0 57 (new Kind[]{IDEFAULT, IPRESENT})
aoqi@0 58 : ((includeClasses && canBeClass)?
aoqi@0 59 new Kind[]{CNONE, IVAC, IDEFAULT, IPRESENT}
aoqi@0 60 : new Kind[]{IVAC, IDEFAULT, IPRESENT});
aoqi@0 61 currentKindIndex = 0;
aoqi@0 62
aoqi@0 63 for (TTNode sub : supertypes) {
aoqi@0 64 sub.start(includeClasses);
aoqi@0 65 }
aoqi@0 66 }
aoqi@0 67
aoqi@0 68 public boolean next() {
aoqi@0 69 ++currentKindIndex;
aoqi@0 70 if (currentKindIndex >= kinds.length) {
aoqi@0 71 currentKindIndex = 0;
aoqi@0 72 return false;
aoqi@0 73 } else {
aoqi@0 74 return true;
aoqi@0 75 }
aoqi@0 76 }
aoqi@0 77
aoqi@0 78 public void collectAllSubtypes(Set<TTNode> subs) {
aoqi@0 79 subs.add(this);
aoqi@0 80 for (TTNode n : supertypes) {
aoqi@0 81 n.collectAllSubtypes(subs);
aoqi@0 82 }
aoqi@0 83 }
aoqi@0 84
aoqi@0 85 private Kind getKind() {
aoqi@0 86 return kinds[currentKindIndex];
aoqi@0 87 }
aoqi@0 88
aoqi@0 89 boolean isInterface() {
aoqi@0 90 return getKind().isInterface;
aoqi@0 91 }
aoqi@0 92
aoqi@0 93 boolean isClass() {
aoqi@0 94 return !isInterface();
aoqi@0 95 }
aoqi@0 96
aoqi@0 97 boolean hasDefault() {
aoqi@0 98 return getKind() == IDEFAULT;
aoqi@0 99 }
aoqi@0 100
aoqi@0 101 public boolean isValid() {
aoqi@0 102 for (TTNode n : supertypes) {
aoqi@0 103 if (!n.isValid() || (isInterface() && n.isClass())) {
aoqi@0 104 return false;
aoqi@0 105 }
aoqi@0 106 }
aoqi@0 107 return true;
aoqi@0 108 }
aoqi@0 109
aoqi@0 110 public ClassCase genCase() {
aoqi@0 111 ClassCase subclass;
aoqi@0 112 List<TTNode> ttintfs;
aoqi@0 113 if (isClass() && !supertypes.isEmpty() && supertypes.get(0).isClass()) {
aoqi@0 114 subclass = supertypes.get(0).genCase();
aoqi@0 115 ttintfs = supertypes.subList(1, supertypes.size());
aoqi@0 116 } else {
aoqi@0 117 subclass = null;
aoqi@0 118 ttintfs = supertypes;
aoqi@0 119 }
aoqi@0 120 List<ClassCase> intfs = new ArrayList<>();
aoqi@0 121 for (TTNode node : ttintfs) {
aoqi@0 122 intfs.add(node.genCase());
aoqi@0 123 }
aoqi@0 124 return new ClassCase(getKind(), subclass, intfs);
aoqi@0 125 }
aoqi@0 126 }

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