INTERFACE GDProgram;

(* Graph drawing `program' or `A-team'. *)

IMPORT GDHistory;
FROM GDGeometry IMPORT NAT, BOOL;

TYPE
  T = REF RECORD
      inst: Instruction;
      next: T
    END;
    (*
      A program is a (circular) list of heuristic calls. 
      They can be executed in "Fixed" order, or in "ATeam" fashion. 
      See "RunFixed" and "RunATeam" below. *)
  
  Instruction <: PubInst;
  PubInst = GDHistory.Instruction OBJECT
      op: TEXT;           (* The heuristics' name. *)
      count: NAT;         (* Repeat count. *)
      inertia: LONGREAL;  (* Inertia parameter (see "HeuristicProc"). *)
      print: BOOL;        (* Output result (when executing in "Fixed" mode). *)
      name: TEXT;         (* Argument for "ReadFile" heuristic. *)
    END;

END GDProgram.
(* Last edited on 2000-01-12 09:34:13 by stolfi *)