jas.SignatureAttr Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jasmin Show documentation

Java Assembler Interface for the Soot framework

There is a newer version: 3.0.3

/**
 * Signature attributes are embedded into class files
 * and used for further ???
 * @author $Author: Jennifer Lhotak$
 * @version $Revision: 1.1 $
 */

package jas;

import java.io.*;
import java.util.*;

public class SignatureAttr {

    static CP attr = new AsciiCP("Signature");
    AsciiCP sig;

    void resolve(ClassEnv e){
        e.addCPItem(attr);
        e.addCPItem(sig);
    }

    /**
    * Note: A signature attr is associated with a class,
    * method or field so you need to create a new SignatureAttr for 
    */
    public SignatureAttr(String s) { //
        sig = new AsciiCP(s);
    }

    int size(){
        return 2;
    }


    void write(ClassEnv e, DataOutputStream out)
        throws IOException, jasError
        {
        
        out.writeShort(e.getCPIndex(attr));
        out.writeInt(2); // fixed length
        out.writeShort(e.getCPIndex(sig));
    }
}