https://github.com/jruby/jruby/jruby-core: JRuby is the effort to recreate the Ruby (https://www.ruby-lang.org) interpreter in Java. (JRuby)
  • headius
  • enebo
  • wmeissner
  • BanzaiMan
  • mkristian 
package org.jruby.ir.instructions;

import org.jruby.ir.Operation;
import org.jruby.ir.operands.Label;

public abstract class BranchInstr extends Instr implements JumpTargetInstr {
    public BranchInstr(Operation op) {
        super(op);
    }

    public abstract Label getJumpTarget();
}