| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.bcel.generic; |
| |
| /** |
| * ICONST - Push value between -1, ..., 5, other values cause an exception |
| * |
| * <PRE>Stack: ... -> ..., </PRE> |
| * |
| */ |
| public class ICONST extends Instruction implements ConstantPushInstruction { |
| |
| private int value; |
| |
| |
| /** |
| * Empty constructor needed for Instruction.readInstruction. |
| * Not to be used otherwise. |
| */ |
| ICONST() { |
| } |
| |
| |
| public ICONST(final int i) { |
| super(org.apache.bcel.Const.ICONST_0, (short) 1); |
| if ((i < -1) || (i > 5)) { |
| throw new ClassGenException("ICONST can be used only for value between -1 and 5: " + i); |
| } |
| super.setOpcode((short) (org.apache.bcel.Const.ICONST_0 + i)); // Even works for i == -1 |
| value = i; |
| } |
| |
| |
| @Override |
| public Number getValue() { |
| return Integer.valueOf(value); |
| } |
| |
| |
| /** @return Type.INT |
| */ |
| @Override |
| public Type getType( final ConstantPoolGen cp ) { |
| return Type.INT; |
| } |
| |
| |
| /** |
| * Call corresponding visitor method(s). The order is: |
| * Call visitor methods of implemented interfaces first, then |
| * call methods according to the class hierarchy in descending order, |
| * i.e., the most specific visitXXX() call comes last. |
| * |
| * @param v Visitor object |
| */ |
| @Override |
| public void accept( final Visitor v ) { |
| v.visitPushInstruction(this); |
| v.visitStackProducer(this); |
| v.visitTypedInstruction(this); |
| v.visitConstantPushInstruction(this); |
| v.visitICONST(this); |
| } |
| } |