Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/runtime/SignatureConverter.java @ 271:818a18cd69a8
6730514: assertion failure in mangling code when expanding by 0 bytes
Summary: An expansion by 0 bytes was not anticipated when the assertion was composed.
Reviewed-by: jjh, jcoomes, apetrusenko
author | jmasa |
---|---|
date | Wed, 30 Jul 2008 11:54:00 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.runtime; import sun.jvm.hotspot.oops.*; public class SignatureConverter extends SignatureIterator { private StringBuffer buf; private boolean first = true; public SignatureConverter(Symbol sig, StringBuffer buf) { super(sig); this.buf = buf; } public void doBool () { appendComma(); buf.append("boolean"); } public void doChar () { appendComma(); buf.append("char"); } public void doFloat () { appendComma(); buf.append("float"); } public void doDouble() { appendComma(); buf.append("double"); } public void doByte () { appendComma(); buf.append("byte"); } public void doShort () { appendComma(); buf.append("short"); } public void doInt () { appendComma(); buf.append("int"); } public void doLong () { appendComma(); buf.append("long"); } public void doVoid () { if(isReturnType()) { appendComma(); buf.append("void"); } else { throw new RuntimeException("Should not reach here"); } } public void doObject(int begin, int end) { doObject(begin, end, true); } public void doArray (int begin, int end) { appendComma(); int inner = arrayInnerBegin(begin); switch (_signature.getByteAt(inner)) { case 'B': buf.append("byte"); break; case 'C': buf.append("char"); break; case 'D': buf.append("double"); break; case 'F': buf.append("float"); break; case 'I': buf.append("int"); break; case 'J': buf.append("long"); break; case 'S': buf.append("short"); break; case 'Z': buf.append("boolean"); break; case 'L': doObject(inner + 1, end, false); break; default: break; } for (int i = 0; i < inner - begin + 1; i++) { buf.append("[]"); } } public void appendComma() { if (!first) { buf.append(", "); } first = false; } private void doObject(int begin, int end, boolean comma) { if (comma) { appendComma(); } appendSubstring(begin, end - 1); } private void appendSubstring(int begin, int end) { for (int i = begin; i < end; i++) { buf.append((char) (_signature.getByteAt(i) & 0xFF)); } } private int arrayInnerBegin(int begin) { while (_signature.getByteAt(begin) == '[') { ++begin; } return begin; } }