// Copyright (c) 1997  Per M.A. Bothner.// This is free software;  for terms and warranty disclaimer see ./COPYING.package gnu.bytecode;import java.io.*;public class Field extends Location implements AttrContainer {  int constant_value_index; /* If non-0, cpool index of constant value. */  int flags;  Field next;  Attribute attributes;  public final Attribute getAttributes () { return attributes; }  public final void setAttributes (Attribute attributes)    { this.attributes = attributes; }  /** The class that contains this field. */  ClassType owner;  /** Add a new Field to a ClassType. */  public Field (ClassType ctype)  {    if (ctype.last_field == null)      ctype.fields = this;    else      ctype.last_field.next = this;    ctype.last_field = this;    ctype.fields_count++;    owner = ctype;  }  void write (DataOutputStream dstr, ClassType classfile)       throws java.io.IOException  {    short attributes_count = constant_value_index > 0 ? (short)1 : (short)0;    dstr.writeShort (flags);    dstr.writeShort (name_index);    dstr.writeShort (signature_index);    dstr.writeShort (attributes_count);    if (constant_value_index > 0) {      dstr.writeShort (classfile.ConstantValue_name_index);      dstr.writeInt (2);  // attribute_length      dstr.writeShort (constant_value_index);    }  }    void assign_constants (ClassType classfile)  {    ConstantPool constants = classfile.constants;    if (name_index == 0 && name != null)      name_index = constants.addUtf8(name).index;    if (signature_index == 0 && type != null)      signature_index = constants.addUtf8(type.signature).index;    if (constant_value_index > 0 && classfile.ConstantValue_name_index == 0)      classfile.ConstantValue_name_index	= constants.addUtf8("ConstantValue").index;  }}