cpoolvalue1.java

来自「这是一个Linux下的集成开发环境」· Java 代码 · 共 58 行

// Copyright (c) 1997  Per M.A. Bothner.
// This is free software;  for terms and warranty disclaimer see ./COPYING.

package gnu.bytecode;
import java.io.*;

/** A CONSTANT_Integer or CONSTANT_Float entry in the constant pool. */

public class CpoolValue1 extends CpoolEntry
{
  int tag;
  int value;

  CpoolValue1 (int tag) { this.tag = tag; }

  CpoolValue1 (ConstantPool cpool, int tag, int hash, int value)
  {
    super (cpool, hash);
    this.tag = tag;
    this.value = value;
  }

  public int getTag() { return tag; }

  final static int hashCode (int val) { return val; }

  void write (DataOutputStream dstr) throws java.io.IOException {
	dstr.writeByte (tag);
        dstr.writeInt (value);
    }

  public void print (ClassTypeWriter dst, int verbosity)
  {
    if (tag == ConstantPool.INTEGER)
      {
	if (verbosity > 0)
	  dst.print("Integer ");
	dst.print(value);
	if (verbosity > 1 && value != 0)
	  {
	    dst.print("=0x");
	    dst.print(Integer.toHexString(value));
	  }
      }
    else  // tag == ConstantPool.FLOAT
      {
	if (verbosity > 0)
	  dst.print("Float ");
	dst.print(Float.intBitsToFloat(value));
	if (verbosity > 1)
	  {
	    dst.print("=0x");
	    dst.print(Integer.toHexString(value));
	  }
      }
  }
}