@SuppressWarnings("unchecked") private static void handleMethodNode(GetStaticGraph staticUsageTree,ClassNode cn,MethodNode mn,int depth){
  InsnList instructions=mn.instructions;
  Iterator<AbstractInsnNode> iterator=instructions.iterator();
  while (iterator.hasNext()) {
    AbstractInsnNode insn=iterator.next();
    if (insn instanceof MethodInsnNode) {
      handleMethodInsnNode(staticUsageTree,cn,mn,(MethodInsnNode)insn,depth + 1);
    }
 else     if (insn instanceof FieldInsnNode) {
      handleFieldInsnNode(staticUsageTree,cn,mn,(FieldInsnNode)insn,depth + 1);
    }
  }
}

@ SuppressWarnings ( "unchecked" ) private static void handleMethodNode ( GetStaticGraph staticUsageTree , ClassNode cn , MethodNode mn , int depth ) { InsnList instructions = mn . instructions ; Iterator < AbstractInsnNode > iterator = instructions . iterator ( ) ; while ( iterator . hasNext ( ) ) { AbstractInsnNode insn = iterator . next ( ) ; if ( insn instanceof MethodInsnNode ) { handleMethodInsnNode ( staticUsageTree , cn , mn , ( MethodInsnNode ) insn , depth + 1 ) ; } else if ( insn instanceof FieldInsnNode ) { handleFieldInsnNode ( staticUsageTree , cn , mn , ( FieldInsnNode ) insn , depth + 1 ) ; } } }
add all possible calls for a given method
