--- a/jdk/src/share/classes/sun/dyn/util/BytecodeDescriptor.java Wed Jul 05 17:38:31 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,137 +0,0 @@
-/*
- * Copyright (c) 2008, 2010, 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. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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 sun.dyn.util;
-
-import java.dyn.MethodType;
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Utility routines for dealing with bytecode-level signatures.
- * @author jrose
- */
-public class BytecodeDescriptor {
-
- private BytecodeDescriptor() { } // cannot instantiate
-
- public static List<Class<?>> parseMethod(String bytecodeSignature, ClassLoader loader) {
- return parseMethod(bytecodeSignature, 0, bytecodeSignature.length(), loader);
- }
-
- static List<Class<?>> parseMethod(String bytecodeSignature,
- int start, int end, ClassLoader loader) {
- if (loader == null)
- loader = ClassLoader.getSystemClassLoader();
- String str = bytecodeSignature;
- int[] i = {start};
- ArrayList<Class<?>> ptypes = new ArrayList<Class<?>>();
- if (i[0] < end && str.charAt(i[0]) == '(') {
- ++i[0]; // skip '('
- while (i[0] < end && str.charAt(i[0]) != ')') {
- Class<?> pt = parseSig(str, i, end, loader);
- if (pt == null || pt == void.class)
- parseError(str, "bad argument type");
- ptypes.add(pt);
- }
- ++i[0]; // skip ')'
- } else {
- parseError(str, "not a method type");
- }
- Class<?> rtype = parseSig(str, i, end, loader);
- if (rtype == null || i[0] != end)
- parseError(str, "bad return type");
- ptypes.add(rtype);
- return ptypes;
- }
-
- static private void parseError(String str, String msg) {
- throw new IllegalArgumentException("bad signature: "+str+": "+msg);
- }
-
- static private Class<?> parseSig(String str, int[] i, int end, ClassLoader loader) {
- if (i[0] == end) return null;
- char c = str.charAt(i[0]++);
- if (c == 'L') {
- int begc = i[0], endc = str.indexOf(';', begc);
- if (endc < 0) return null;
- i[0] = endc+1;
- String name = str.substring(begc, endc).replace('/', '.');
- try {
- return loader.loadClass(name);
- } catch (ClassNotFoundException ex) {
- throw new TypeNotPresentException(name, ex);
- }
- } else if (c == '[') {
- Class<?> t = parseSig(str, i, end, loader);
- if (t != null)
- t = java.lang.reflect.Array.newInstance(t, 0).getClass();
- return t;
- } else {
- return Wrapper.forBasicType(c).primitiveType();
- }
- }
-
- public static String unparse(Class<?> type) {
- StringBuilder sb = new StringBuilder();
- unparseSig(type, sb);
- return sb.toString();
- }
-
- public static String unparse(MethodType type) {
- return unparseMethod(type.returnType(), type.parameterList());
- }
-
- public static String unparse(Object type) {
- if (type instanceof Class<?>)
- return unparse((Class<?>) type);
- if (type instanceof MethodType)
- return unparse((MethodType) type);
- return (String) type;
- }
-
- public static String unparseMethod(Class<?> rtype, List<Class<?>> ptypes) {
- StringBuilder sb = new StringBuilder();
- sb.append('(');
- for (Class<?> pt : ptypes)
- unparseSig(pt, sb);
- sb.append(')');
- unparseSig(rtype, sb);
- return sb.toString();
- }
-
- static private void unparseSig(Class<?> t, StringBuilder sb) {
- char c = Wrapper.forBasicType(t).basicTypeChar();
- if (c != 'L') {
- sb.append(c);
- } else {
- boolean lsemi = (!t.isArray());
- if (lsemi) sb.append('L');
- sb.append(t.getName().replace('.', '/'));
- if (lsemi) sb.append(';');
- }
- }
-
-}