95 lines
3.2 KiB
Java
95 lines
3.2 KiB
Java
/*
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* Copyright (c) 2011, 2018, 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 vm.mlvm.meth.share;
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import java.lang.invoke.MethodType;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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public final class Arguments {
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public static List<Argument> listFromArray(Object[][] a) {
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ArrayList<Argument> result = new ArrayList<Argument>(a.length);
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for (Object[] elem : a) {
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result.add(Argument.fromArray(elem));
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}
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return result;
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}
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public static Argument[] fromArray(Object[][] a) {
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return listFromArray(a).toArray(new Argument[a.length]);
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}
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public static Class<?>[] typesArray(List<Argument> vts) {
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return typesArray(vts.toArray(new Argument[vts.size()]));
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}
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public static Class<?>[] typesArray(Argument[] vts) {
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Class<?>[] result = new Class<?>[vts.length];
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for (int i = 0; i < vts.length; i++)
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result[i] = vts[i].getType();
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return result;
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}
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public static Object[] valuesArray(List<Argument> vts) {
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return valuesArray(vts.toArray(new Argument[vts.size()]));
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}
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public static Object[] valuesArray(Argument[] vts) {
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Object[] result = new Object[vts.length];
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for (int i = 0; i < vts.length; i++)
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result[i] = vts[i].getValue();
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return result;
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}
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public static Argument[] fromMethodType(boolean isVirtual, MethodType t, MethodParameterValueProvider vp) {
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int virtualOffset = isVirtual ? 1 : 0;
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Class<?>[] paramTypes = t.parameterArray();
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Argument[] result = new Argument[paramTypes.length - virtualOffset];
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for (int i = virtualOffset; i < paramTypes.length; i++) {
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result[i - virtualOffset] = new Argument(paramTypes[i], vp.getValue(t, i));
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}
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return result;
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}
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public static int[] findTag(List<Argument> args, String tag) {
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return findTag(args.toArray(new Argument[args.size()]), tag);
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}
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public static int[] findTag(Argument[] args, String tag) {
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int[] result = new int[args.length];
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int resCount = 0;
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for ( int i = 0; i < args.length; i++ ) {
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if ( args[i].getTag().equals(tag) )
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result[resCount++] = i;
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}
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return Arrays.copyOf(result, resCount);
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}
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}
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