Code

Node code may be empty. In this case, no separator ; is required after ::. If it is not empty, it may be a succession of combinations of Pascal and GLIDER elements. For instance:

• Simple Pascal instructions.

  Example:

    Results (A) :: TotCash := TotNum * Price; Quant := Quant + 1;

• Compound and structured Pascal instructions.

  Example:

    FindMax (A) :: M := 0;
                   FOR J := 1 TO NTot DO IF Bag[J] > M THEN M := Bag[J];
                   WRITELN(' The most heavy weights ', M);

• Compound and structured Pascal instructions including GLIDER instructions.

  Example:

    ConTower (D) :: IF International THEN SENDTO(Runway_I)
                                     ELSE SENDTO(Runway_N);

• GLIDER instructions.

  Example:

      Robot1 (X) Robot2 :: ASSEMBLE(ELIM, 2, EQUFIELD(L)) SENDTO(Robot2);

• GLIDER procedures.

  Example:

       Q1 (L) :: ORDER(Temp, A);

• Compound and structured Pascal instructions, including GLIDER procedures and instructions.

  Example:

       ActDec (A) :: IF Danger THEN ACT(Proc_Emer) ELSE ACT(Proc_Norm);

• A succession of the above items.

Restrictions in the use and order of the instructions in the code are explained in Chapter 4.