d4be9a13c8
Add type-checking support for default methods as per Featherweight-Defender document Reviewed-by: jjg, dlsmith
144 lines
4.4 KiB
Java
144 lines
4.4 KiB
Java
/*
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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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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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 shapegen;
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import java.util.List;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Set;
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import static shapegen.ClassCase.Kind.*;
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/**
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*
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* @author Robert Field
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*/
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public class Hierarchy {
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public final ClassCase root;
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public final Set<ClassCase> all;
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public Hierarchy(ClassCase root) {
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this.root = root;
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root.init(new HashMap<String,Integer>());
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Set<ClassCase> allClasses = new HashSet<>();
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root.collectClasses(allClasses);
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this.all = allClasses;
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}
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public boolean anyDefaults() {
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for (ClassCase cc : all) {
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if (cc.kind == IDEFAULT) {
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return true;
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}
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}
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return false;
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}
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public boolean get_OK() {
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return root.get_OK();
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}
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public String testName() {
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return root + "Test";
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}
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private static void genInterfaceList(StringBuilder buf, String prefix, List<ClassCase> interfaces) {
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if (!interfaces.isEmpty()) {
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buf.append(" ");
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buf.append(prefix);
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buf.append(" ");
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buf.append(interfaces.get(0));
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for (int i = 1; i < interfaces.size(); ++i) {
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buf.append(", " + interfaces.get(i));
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}
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}
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}
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public static void genClassDef(StringBuilder buf, ClassCase cc, String implClass, List<ClassCase> defaultRef) {
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if (cc.isInterface()) {
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buf.append("interface ");
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buf.append(cc.getName() + " ");
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genInterfaceList(buf, "extends", cc.getInterfaces());
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buf.append(" {\n");
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switch (cc.kind) {
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case IDEFAULT:
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buf.append(" default String m() { return \"\"; }\n");
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defaultRef.add(cc);
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break;
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case IPRESENT:
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buf.append(" String m();\n");
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break;
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case IVAC:
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break;
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default:
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throw new AssertionError("Unexpected kind");
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}
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buf.append("}\n\n");
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} else {
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buf.append((cc.isAbstract()? "abstract " : ""));
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buf.append(" class " + cc.getName());
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if (cc.getSuperclass() != null) {
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buf.append(" extends " + cc.getSuperclass());
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}
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genInterfaceList(buf, "implements", cc.getInterfaces());
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buf.append(" {\n");
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switch (cc.kind) {
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case CCONCRETE:
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buf.append(" public String m() { return \"\"; }\n");
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break;
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case CABSTRACT:
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buf.append(" public abstract String m();\n");
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break;
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case CNONE:
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break;
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default:
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throw new AssertionError("Unexpected kind");
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}
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buf.append("}\n\n");
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}
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}
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@Override
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public boolean equals(Object obj) {
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return obj instanceof Hierarchy && root.getID().equals(((Hierarchy)obj).root.getID());
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}
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@Override
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public int hashCode() {
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return root.getID().hashCode();
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}
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@Override
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public String toString() {
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return root.getName();
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}
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}
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