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package com.sun.org.apache.bcel.internal.generic;

import java.io.DataOutputStream;
import java.io.IOException;

import com.sun.org.apache.bcel.internal.ExceptionConst;
import com.sun.org.apache.bcel.internal.classfile.ConstantPool;
import com.sun.org.apache.bcel.internal.util.ByteSequence;

MULTIANEWARRAY - Create new mutidimensional array of references
Stack: ..., count1, [count2, ...] -> ..., arrayref
Version:$Id: MULTIANEWARRAY.java 1747278 2016-06-07 17:28:43Z britter $
/** * MULTIANEWARRAY - Create new mutidimensional array of references * <PRE>Stack: ..., count1, [count2, ...] -&gt; ..., arrayref</PRE> * * @version $Id: MULTIANEWARRAY.java 1747278 2016-06-07 17:28:43Z britter $ */
public class MULTIANEWARRAY extends CPInstruction implements LoadClass, AllocationInstruction, ExceptionThrower { private short dimensions;
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Not to be used otherwise.
/** * Empty constructor needed for the Class.newInstance() statement in * Instruction.readInstruction(). Not to be used otherwise. */
MULTIANEWARRAY() { } public MULTIANEWARRAY(final int index, final short dimensions) { super(com.sun.org.apache.bcel.internal.Const.MULTIANEWARRAY, index); if (dimensions < 1) { throw new ClassGenException("Invalid dimensions value: " + dimensions); } this.dimensions = dimensions; super.setLength(4); }
Dump instruction as byte code to stream out.
Params:
  • out – Output stream
/** * Dump instruction as byte code to stream out. * @param out Output stream */
@Override public void dump( final DataOutputStream out ) throws IOException { out.writeByte(super.getOpcode()); out.writeShort(super.getIndex()); out.writeByte(dimensions); }
Read needed data (i.e., no. dimension) from file.
/** * Read needed data (i.e., no. dimension) from file. */
@Override protected void initFromFile( final ByteSequence bytes, final boolean wide ) throws IOException { super.initFromFile(bytes, wide); dimensions = bytes.readByte(); super.setLength(4); }
Returns:number of dimensions to be created
/** * @return number of dimensions to be created */
public final short getDimensions() { return dimensions; }
Returns:mnemonic for instruction
/** * @return mnemonic for instruction */
@Override public String toString( final boolean verbose ) { return super.toString(verbose) + " " + super.getIndex() + " " + dimensions; }
Returns:mnemonic for instruction with symbolic references resolved
/** * @return mnemonic for instruction with symbolic references resolved */
@Override public String toString( final ConstantPool cp ) { return super.toString(cp) + " " + dimensions; }
Also works for instructions whose stack effect depends on the constant pool entry they reference.
Returns:Number of words consumed from stack by this instruction
/** * Also works for instructions whose stack effect depends on the * constant pool entry they reference. * @return Number of words consumed from stack by this instruction */
@Override public int consumeStack( final ConstantPoolGen cpg ) { return dimensions; } @Override public Class<?>[] getExceptions() { return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_CLASS_AND_INTERFACE_RESOLUTION, ExceptionConst.ILLEGAL_ACCESS_ERROR, ExceptionConst.NEGATIVE_ARRAY_SIZE_EXCEPTION); } @Override public ObjectType getLoadClassType( final ConstantPoolGen cpg ) { Type t = getType(cpg); if (t instanceof ArrayType) { t = ((ArrayType) t).getBasicType(); } return (t instanceof ObjectType) ? (ObjectType) t : null; }
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.
Params:
  • v – Visitor object
/** * 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.visitLoadClass(this); v.visitAllocationInstruction(this); v.visitExceptionThrower(this); v.visitTypedInstruction(this); v.visitCPInstruction(this); v.visitMULTIANEWARRAY(this); } }