author | alundblad |
Wed, 26 Aug 2015 09:02:02 +0200 | |
changeset 32337 | c9d3ab9f601c |
parent 14554 | 4e29b285c723 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package org.openjdk.tests.shapegen; |
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import org.openjdk.tests.shapegen.ClassCase.Kind; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Set; |
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import static org.openjdk.tests.shapegen.ClassCase.Kind.*; |
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/** |
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* Type Template Node |
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* |
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* @author Robert Field |
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*/ |
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public class TTNode { |
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final List<TTNode> supertypes; |
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final boolean canBeClass; |
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private int currentKindIndex; |
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private Kind[] kinds; |
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public TTNode(List<TTNode> subtypes, boolean canBeClass) { |
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this.supertypes = subtypes; |
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this.canBeClass = canBeClass; |
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} |
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public void start(boolean includeClasses) { |
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kinds = |
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supertypes.isEmpty()? |
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(new Kind[]{IDEFAULT, IPRESENT}) |
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: ((includeClasses && canBeClass)? |
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new Kind[]{CNONE, IVAC, IDEFAULT, IPRESENT} |
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: new Kind[]{IVAC, IDEFAULT, IPRESENT}); |
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currentKindIndex = 0; |
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for (TTNode sub : supertypes) { |
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sub.start(includeClasses); |
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} |
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} |
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public boolean next() { |
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++currentKindIndex; |
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if (currentKindIndex >= kinds.length) { |
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currentKindIndex = 0; |
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return false; |
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} else { |
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return true; |
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} |
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} |
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public void collectAllSubtypes(Set<TTNode> subs) { |
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subs.add(this); |
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for (TTNode n : supertypes) { |
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n.collectAllSubtypes(subs); |
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} |
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} |
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private Kind getKind() { |
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return kinds[currentKindIndex]; |
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} |
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boolean isInterface() { |
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return getKind().isInterface; |
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} |
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boolean isClass() { |
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return !isInterface(); |
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} |
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boolean hasDefault() { |
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return getKind() == IDEFAULT; |
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} |
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public boolean isValid() { |
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for (TTNode n : supertypes) { |
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if (!n.isValid() || (isInterface() && n.isClass())) { |
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return false; |
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} |
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} |
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return true; |
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} |
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public ClassCase genCase() { |
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ClassCase subclass; |
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List<TTNode> ttintfs; |
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if (isClass() && !supertypes.isEmpty() && supertypes.get(0).isClass()) { |
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subclass = supertypes.get(0).genCase(); |
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ttintfs = supertypes.subList(1, supertypes.size()); |
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} else { |
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subclass = null; |
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ttintfs = supertypes; |
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} |
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List<ClassCase> intfs = new ArrayList<>(); |
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for (TTNode node : ttintfs) { |
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intfs.add(node.genCase()); |
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} |
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return new ClassCase(getKind(), subclass, intfs); |
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} |
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} |