author | joehw |
Wed, 18 Oct 2017 13:25:49 -0700 | |
changeset 47359 | e1a6c0168741 |
parent 47216 | 71c04702a3d5 |
child 48409 | 5ab69533994b |
permissions | -rw-r--r-- |
6 | 1 |
/* |
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
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* @LastModified: Oct 2017 |
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*/ |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
8b3b3b911b8a
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.sun.org.apache.bcel.internal.generic; |
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import com.sun.org.apache.bcel.internal.ExceptionConst; |
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import com.sun.org.apache.bcel.internal.util.ByteSequence; |
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import java.io.DataOutputStream; |
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import java.io.IOException; |
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/** |
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* NEWARRAY - Create new array of basic type (int, short, ...) |
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* <PRE>Stack: ..., count -> ..., arrayref</PRE> |
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* type must be one of T_INT, T_SHORT, ... |
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* |
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* @version $Id: NEWARRAY.java 1747278 2016-06-07 17:28:43Z britter $ |
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*/ |
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public class NEWARRAY extends Instruction implements AllocationInstruction, ExceptionThrower, |
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StackProducer { |
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private byte type; |
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/** |
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* Empty constructor needed for the Class.newInstance() statement in |
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* Instruction.readInstruction(). Not to be used otherwise. |
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*/ |
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NEWARRAY() { |
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} |
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public NEWARRAY(final byte type) { |
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super(com.sun.org.apache.bcel.internal.Const.NEWARRAY, (short) 2); |
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this.type = type; |
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} |
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public NEWARRAY(final BasicType type) { |
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this(type.getType()); |
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} |
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/** |
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* Dump instruction as byte code to stream out. |
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* @param out Output stream |
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*/ |
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@Override |
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public void dump( final DataOutputStream out ) throws IOException { |
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out.writeByte(super.getOpcode()); |
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out.writeByte(type); |
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} |
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/** |
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* @return numeric code for basic element type |
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*/ |
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public final byte getTypecode() { |
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return type; |
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} |
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/** |
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* @return type of constructed array |
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*/ |
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public final Type getType() { |
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return new ArrayType(BasicType.getType(type), 1); |
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} |
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/** |
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* @return mnemonic for instruction |
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*/ |
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@Override |
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public String toString( final boolean verbose ) { |
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return super.toString(verbose) + " " + com.sun.org.apache.bcel.internal.Const.getTypeName(type); |
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} |
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/** |
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* Read needed data (e.g. index) from file. |
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*/ |
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@Override |
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protected void initFromFile( final ByteSequence bytes, final boolean wide ) throws IOException { |
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type = bytes.readByte(); |
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super.setLength(2); |
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} |
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@Override |
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public Class<?>[] getExceptions() { |
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return new Class<?>[] { |
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ExceptionConst.NEGATIVE_ARRAY_SIZE_EXCEPTION |
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}; |
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} |
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/** |
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* Call corresponding visitor method(s). The order is: |
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* Call visitor methods of implemented interfaces first, then |
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* call methods according to the class hierarchy in descending order, |
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* i.e., the most specific visitXXX() call comes last. |
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* |
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* @param v Visitor object |
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*/ |
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@Override |
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public void accept( final Visitor v ) { |
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v.visitAllocationInstruction(this); |
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v.visitExceptionThrower(this); |
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v.visitStackProducer(this); |
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v.visitNEWARRAY(this); |
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} |
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} |