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

LDC2_W - Push long or double from constant pool
Stack: ... -> ..., item.word1, item.word2
Version:$Id: LDC2_W.java 1749603 2016-06-21 20:50:19Z ggregory $
@LastModified: Nov 2017
/** * LDC2_W - Push long or double from constant pool * * <PRE>Stack: ... -&gt; ..., item.word1, item.word2</PRE> * * @version $Id: LDC2_W.java 1749603 2016-06-21 20:50:19Z ggregory $ * @LastModified: Nov 2017 */
public class LDC2_W extends CPInstruction implements PushInstruction {
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. */
LDC2_W() { } public LDC2_W(final int index) { super(com.sun.org.apache.bcel.internal.Const.LDC2_W, index); } @Override public Type getType( final ConstantPoolGen cpg ) { switch (cpg.getConstantPool().getConstant(super.getIndex()).getTag()) { case com.sun.org.apache.bcel.internal.Const.CONSTANT_Long: return Type.LONG; case com.sun.org.apache.bcel.internal.Const.CONSTANT_Double: return Type.DOUBLE; default: // Never reached throw new RuntimeException("Unknown constant type " + super.getOpcode()); } } public Number getValue( final ConstantPoolGen cpg ) { final com.sun.org.apache.bcel.internal.classfile.Constant c = cpg.getConstantPool().getConstant(super.getIndex()); switch (c.getTag()) { case com.sun.org.apache.bcel.internal.Const.CONSTANT_Long: return ((com.sun.org.apache.bcel.internal.classfile.ConstantLong) c).getBytes(); case com.sun.org.apache.bcel.internal.Const.CONSTANT_Double: return ((com.sun.org.apache.bcel.internal.classfile.ConstantDouble) c).getBytes(); default: // Never reached throw new RuntimeException("Unknown or invalid constant type at " + super.getIndex()); } }
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.visitStackProducer(this); v.visitPushInstruction(this); v.visitTypedInstruction(this); v.visitCPInstruction(this); v.visitLDC2_W(this); } }