MPL Bytecode Compiler Code

33 lines (25 with data), 355 Bytes

##LIBHDR

NEW(A) [
  A=VNEW(A); WRITEF("NEW: %N %N*N", VUSE(), A); A
]

END(A) [
  VEND(A); WRITEF("END: %N*N", VUSE())
]

.(;A,B,C) [
  B=NEW(100);
  C=NEW(200);
  END(B);
  END(A);
  A=NEW(10);
  B=NEW(20);

  END(A);
  END(B);
  END(C);

  A=NEW(50 );
  B=NEW(100);
  C=NEW(200);

  END(A);
  END(B);
  END(C);
  123
]