add definitions for VisB files

Button/button.mch

 MACHINE button
-DEFINITIONS "LibraryMeta.def"
+DEFINITIONS 
+     "LibraryMeta.def";
+      VISB_JSON_FILE == "button.json"
 VARIABLES
   button
 INVARIANT

Lift/Lift.mch

@@ -3,6 +3,7 @@ MACHINE Lift
    will be added in a refinement (by refining the lift moving operations) or
    by a CSP controller */
 DEFINITIONS
+  VISB_JSON_FILE == "lift_groups.json";
   FLOORS == (groundf .. topf);
   all_buttons_pressed == (inside_buttons \/ call_buttons);
   /* Note: one could make a slightly simpler spec by only keeping a single all_buttons_pressed variable */

N-Queens/QueensWithEvents.mch

@@ -4,6 +4,7 @@ PROPERTIES
  n : NATURAL &
  n < 121
 DEFINITIONS
+      VISB_JSON_FILE == "queens_20.json";
       SET_PREF_TIME_OUT == 6000;
       SET_PREF_CLPFD == TRUE;
       SET_PREF_MAX_INITIALISATIONS == 121;

Physics/MovingParticles3.mch

@@ -2,6 +2,7 @@ MACHINE MovingParticles3
 // Encoding of an n-body problem in B using the REAL datatype
 INCLUDES MovingParticles PROMOTES Move
 DEFINITIONS
+  VISB_JSON_FILE == "three_bodies.json";
   SCALE == 1.25e11; // 100 % in visualisation
   SCALE100 == (SCALE/100.0);
   SPEED_MULTIPLIER == 1000000.0;

Physics/MovingParticles4.mch

@@ -2,6 +2,7 @@ MACHINE MovingParticles4
 // Encoding of an n-body problem in B using the REAL datatype
 INCLUDES MovingParticles PROMOTES Move
 DEFINITIONS
+  VISB_JSON_FILE == "four_bodies.json";
   SCALE == 5.0e10; // 100 % in visualisation
   SCALE100 == (SCALE/100.0);
   SPEED_MULTIPLIER == 1000000.0;

TrafficLight/TrafficLight.mch

@@ -4,7 +4,8 @@ VARIABLES tl_cars, tl_peds
 INVARIANT tl_cars : colors & tl_peds : {red, green} &
 	  (tl_peds = red or tl_cars = red)
               
-INITIALISATION  tl_cars := red; tl_peds := red
+INITIALISATION
+   tl_cars := red; tl_peds := red
 OPERATIONS
 	cars_ry = SELECT tl_cars = red & tl_peds = red THEN tl_cars := redyellow END;
 	cars_y = SELECT tl_cars = green & tl_peds = red THEN tl_cars := yellow END;
@@ -12,4 +13,6 @@ cars_g = SELECT tl_cars = redyellow & tl_peds = red THEN tl_cars := green END;
 	cars_r = SELECT tl_cars = yellow & tl_peds = red THEN tl_cars := red END;
 	peds_r = SELECT tl_peds = green & tl_cars = red THEN tl_peds := red END;
 	peds_g = SELECT tl_peds = red & tl_cars = red THEN tl_peds := green END
+DEFINITIONS
+  VISB_JSON_FILE == "Traffic_light.json"
 END