dcommon.java

用Java实现的编译器。把源代码编译成SPARC汇编程序

// $Id: dAlign.java,v 1.2 1999/11/04 16:53:41 deberg Exp $

package java6035.tools.ASM;

/**
 * dCommon
 * 
 * represents a .common SPARC directive
 *
 * .common label, value
 * equivalent to:
 *		label: .skip value	
 	
 *.common label, value, N
 * equivalent to:
 *				.align N		
 *		label: .	skip value		
 */

public class dCommon extends ASMDirective
{
    public String lab;
	public int val, n;
    
	public dCommon(String label, int value, int N)
    {
		super(ASMDirective.COMMON);
		lab = label;
		val = value;
		n = N;
    }
	
	public dCommon(String label, int value)
    {
		super(ASMDirective.COMMON);
		lab = label;
		val = value;
		n = 0;
    }

    /**		
     * Returns the string representation.
     */
    public String toString()
    {
		if(n>0)
	
			return ".common\t"+lab+", "+val+", "+n;
		else
			return ".common\t"+lab+", "+val;
    }
}