jdk/src/share/classes/sun/dyn/util/BytecodeDescriptor.java
changeset 8823 7cd28219a1e4
parent 8717 f75a1efb1412
parent 8822 8145ab9f5f86
child 8824 0762fa26f813
child 9033 a88f5656f05d
--- 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(';');
-        }
-    }
-
-}