| /* |
| * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package vm.mlvm.meth.share; |
| |
| import java.lang.invoke.MethodType; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public final class Arguments { |
| |
| public static List<Argument> listFromArray(Object[][] a) { |
| ArrayList<Argument> result = new ArrayList<Argument>(a.length); |
| |
| for (Object[] elem : a) { |
| result.add(Argument.fromArray(elem)); |
| } |
| |
| return result; |
| } |
| |
| public static Argument[] fromArray(Object[][] a) { |
| return listFromArray(a).toArray(new Argument[a.length]); |
| } |
| |
| public static Class<?>[] typesArray(List<Argument> vts) { |
| return typesArray(vts.toArray(new Argument[vts.size()])); |
| } |
| |
| public static Class<?>[] typesArray(Argument[] vts) { |
| Class<?>[] result = new Class<?>[vts.length]; |
| for (int i = 0; i < vts.length; i++) |
| result[i] = vts[i].getType(); |
| return result; |
| } |
| |
| public static Object[] valuesArray(List<Argument> vts) { |
| return valuesArray(vts.toArray(new Argument[vts.size()])); |
| } |
| |
| public static Object[] valuesArray(Argument[] vts) { |
| Object[] result = new Object[vts.length]; |
| for (int i = 0; i < vts.length; i++) |
| result[i] = vts[i].getValue(); |
| return result; |
| } |
| |
| public static Argument[] fromMethodType(boolean isVirtual, MethodType t, MethodParameterValueProvider vp) { |
| int virtualOffset = isVirtual ? 1 : 0; |
| Class<?>[] paramTypes = t.parameterArray(); |
| Argument[] result = new Argument[paramTypes.length - virtualOffset]; |
| for (int i = virtualOffset; i < paramTypes.length; i++) { |
| result[i - virtualOffset] = new Argument(paramTypes[i], vp.getValue(t, i)); |
| } |
| return result; |
| } |
| |
| public static int[] findTag(List<Argument> args, String tag) { |
| return findTag(args.toArray(new Argument[args.size()]), tag); |
| } |
| |
| public static int[] findTag(Argument[] args, String tag) { |
| int[] result = new int[args.length]; |
| int resCount = 0; |
| for ( int i = 0; i < args.length; i++ ) { |
| if ( args[i].getTag().equals(tag) ) |
| result[resCount++] = i; |
| } |
| |
| return Arrays.copyOf(result, resCount); |
| } |
| |
| } |