0N/A/*
1472N/A * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1472N/A * or visit www.oracle.com if you need additional information or have any
1472N/A * questions.
0N/A *
0N/A */
0N/A
0N/Apackage sun.jvm.hotspot.interpreter;
0N/A
0N/Aimport sun.jvm.hotspot.oops.*;
0N/Aimport sun.jvm.hotspot.utilities.*;
0N/A
0N/Apublic class BytecodeBipush extends Bytecode {
0N/A BytecodeBipush(Method method, int bci) {
0N/A super(method, bci);
0N/A }
0N/A
0N/A public byte getValue() {
0N/A return javaByteAt(1);
0N/A }
0N/A
0N/A public void verify() {
0N/A if (Assert.ASSERTS_ENABLED) {
0N/A Assert.that(isValid(), "check bipush");
0N/A }
0N/A }
0N/A
0N/A public boolean isValid() {
0N/A return javaCode() == Bytecodes._bipush;
0N/A }
0N/A
0N/A public static BytecodeBipush at(Method method, int bci) {
0N/A BytecodeBipush b = new BytecodeBipush(method, bci);
0N/A if (Assert.ASSERTS_ENABLED) {
0N/A b.verify();
0N/A }
0N/A return b;
0N/A }
0N/A
0N/A /** Like at, but returns null if the BCI is not at bipush */
0N/A public static BytecodeBipush atCheck(Method method, int bci) {
0N/A BytecodeBipush b = new BytecodeBipush(method, bci);
0N/A return (b.isValid() ? b : null);
0N/A }
0N/A
0N/A public static BytecodeBipush at(BytecodeStream bcs) {
0N/A return new BytecodeBipush(bcs.method(), bcs.bci());
0N/A }
0N/A
0N/A public String toString() {
0N/A StringBuffer buf = new StringBuffer();
0N/A buf.append("bipush");
0N/A buf.append(spaces);
0N/A buf.append(Byte.toString(getValue()));
0N/A return buf.toString();
0N/A }
0N/A}