1 cananian 1.1.2.3 // ConstantLong.java, created Mon Jan 18 22:44:37 1999 by cananian 2 cananian 1.1.2.1 // Copyright (C) 1998 C. Scott Ananian <cananian@alumni.princeton.edu> 3 cananian 1.1.2.1 // Licensed under the terms of the GNU GPL; see COPYING for details. 4 cananian 1.1.2.1 package harpoon.IR.RawClass; 5 cananian 1.1.2.1 6 cananian 1.1.2.1 /** 7 cananian 1.1.2.1 * The <code>CONSTANT_Long_info</code> structure represents eight-byte 8 cananian 1.1.2.1 * integer numeric constants. 9 cananian 1.1.2.1 * @author C. Scott Ananian <cananian@alumni.princeton.edu> 10 cananian 1.3 * @version $Id: ConstantLong.java,v 1.3 2003/09/05 21:45:16 cananian Exp $ 11 cananian 1.1.2.1 * @see "The Java Virtual Machine Specification, section 4.4.5" 12 cananian 1.1.2.1 * @see Constant 13 cananian 1.1.2.1 * @see ConstantDouble 14 cananian 1.1.2.1 */ 15 cananian 1.1.2.1 public class ConstantLong extends ConstantValue { 16 cananian 1.1.2.1 /** The value of the <code>long</code> constant. */ 17 cananian 1.1.2.1 public long val; 18 cananian 1.1.2.1 19 cananian 1.1.2.1 /** Constructor. */ 20 cananian 1.1.2.1 ConstantLong(ClassFile parent, ClassDataInputStream in) 21 cananian 1.1.2.1 throws java.io.IOException { 22 cananian 1.1.2.1 super(parent); 23 cananian 1.1.2.1 val = in.readLong(); 24 cananian 1.1.2.1 } 25 cananian 1.1.2.1 /** Constructor. */ 26 cananian 1.1.2.1 public ConstantLong(ClassFile parent, long val) { 27 cananian 1.1.2.1 super(parent); 28 cananian 1.1.2.1 this.val = val; 29 cananian 1.1.2.1 } 30 cananian 1.3 public int entrySize() { return 2; } 31 cananian 1.1.2.1 32 cananian 1.1.2.1 /** Write to a bytecode file. */ 33 cananian 1.1.2.1 public void write(ClassDataOutputStream out) throws java.io.IOException { 34 cananian 1.1.2.1 out.write_u1(CONSTANT_Long); 35 cananian 1.1.2.1 out.writeLong(val); 36 cananian 1.1.2.1 } 37 cananian 1.1.2.1 38 cananian 1.1.2.1 /** Returns the value of this constant. */ 39 cananian 1.1.2.1 public long longValue() { return val; } 40 cananian 1.1.2.1 /** Returns the value of this constant, wrapped as a 41 cananian 1.1.2.1 * <code>java.lang.Long</code>. */ 42 cananian 1.1.2.1 public Object value() { return new Long(val); } 43 cananian 1.1.2.1 44 cananian 1.1.2.1 /** Create a human-readable representation of this constant. */ 45 cananian 1.1.2.1 public String toString() { 46 cananian 1.1.2.1 return "CONSTANT_Long: "+longValue(); 47 cananian 1.1.2.1 } 48 cananian 1.2 }