Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeNewArray.java @ 3945:8ed53447f690
Merge
author | iveresov |
---|---|
date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2002, 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 sun.jvm.hotspot.interpreter; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.utilities.*; public class BytecodeNewArray extends Bytecode { BytecodeNewArray(Method method, int bci) { super(method, bci); } public int getType() { return (int) javaByteAt(1); } public void verify() { if (Assert.ASSERTS_ENABLED) { Assert.that(isValid(), "check newarray"); } } public boolean isValid() { boolean result = javaCode() == Bytecodes._newarray; if (result == false) return false; switch (getType()) { case TypeArrayKlass.T_BOOLEAN: case TypeArrayKlass.T_CHAR: case TypeArrayKlass.T_FLOAT: case TypeArrayKlass.T_DOUBLE: case TypeArrayKlass.T_BYTE: case TypeArrayKlass.T_SHORT: case TypeArrayKlass.T_INT: case TypeArrayKlass.T_LONG: break; default: return false; } return true; } public String getTypeName() { String result; switch (getType()) { case TypeArrayKlass.T_BOOLEAN: result = "boolean"; break; case TypeArrayKlass.T_CHAR: result = "char"; break; case TypeArrayKlass.T_FLOAT: result = "float"; break; case TypeArrayKlass.T_DOUBLE: result = "double"; break; case TypeArrayKlass.T_BYTE: result = "byte"; break; case TypeArrayKlass.T_SHORT: result = "short"; break; case TypeArrayKlass.T_INT: result = "int"; break; case TypeArrayKlass.T_LONG: result = "long"; break; default: // should not happen result = "<invalid>"; break; } return result; } public static BytecodeNewArray at(Method method, int bci) { BytecodeNewArray b = new BytecodeNewArray(method, bci); if (Assert.ASSERTS_ENABLED) { b.verify(); } return b; } /** Like at, but returns null if the BCI is not at newarray */ public static BytecodeNewArray atCheck(Method method, int bci) { BytecodeNewArray b = new BytecodeNewArray(method, bci); return (b.isValid() ? b : null); } public static BytecodeNewArray at(BytecodeStream bcs) { return new BytecodeNewArray(bcs.method(), bcs.bci()); } public String toString() { StringBuffer buf = new StringBuffer(); buf.append("newarray"); buf.append(spaces); buf.append(getTypeName()); return buf.toString(); } }