Add pretty-print-state-graph/simple-states.

Was pretty-print-reduced-graph.

rs.rkt

@@ -12,6 +12,7 @@
 
    (struct-out state) State dynamics% Dynamics% build-interactive-process-graph
    build-interactive-process-graph/simple-states
+   pretty-print-state-graph/simple-states
    )
 
   (module+ test
@@ -254,6 +255,26 @@
       (define ctx : (Listof (Setof Species)) (list (set) (set) (set 'x)))
       (check-equal? (graphviz (build-interactive-process-graph/simple-states rs ctx))
                     "digraph G {\n\tnode0 [label=\"(set)\"];\n\tnode1 [label=\"(set 'z)\"];\n\tsubgraph U {\n\t\tedge [dir=none];\n\t\tnode0 -> node0 [label=\"'()\"];\n\t}\n\tsubgraph D {\n\t\tnode0 -> node1 [label=\"'(a)\"];\n\t}\n}\n")))
+
+  (: pretty-print-state-graph/simple-states (-> Graph Graph))
+  (define (pretty-print-state-graph/simple-states sgr)
+    (update-graph
+     sgr
+     #:v-func
+     (λ (st) (~a "{" (pretty-print-set (assert-type st (Setof Species))) "}"))
+     #:e-func
+     (λ (e) (pretty-print-set (assert-type e (Listof ReactionName))))))
+
+  (module+ test
+    (test-case "pretty-print-state-graph/simple-states"
+      (define rs (hash 'a (make-reaction '(x) '(y) '(z))
+                       'b (make-reaction '(x y) '() '(x))))
+      (define ctx : (Listof (Setof Species)) (list (set) (set) (set 'x)))
+      (check-equal?
+       (graphviz (pretty-print-state-graph/simple-states
+                  (build-interactive-process-graph/simple-states rs ctx)))
+       "digraph G {\n\tnode0 [label=\"{}\"];\n\tnode1 [label=\"{z}\"];\n\tsubgraph U {\n\t\tedge [dir=none];\n\t\tnode0 -> node0 [label=\"\"];\n\t}\n\tsubgraph D {\n\t\tnode0 -> node1 [label=\"a\"];\n\t}\n}\n")
+      ))
   )
 
 (require graph "utils.rkt" "generic.rkt")

scribblings/rs.scrbl

@@ -291,3 +291,21 @@ reflected in any way.
       [ctx : (Listof (Setof Species)) (list (set) (set) (set 'x))])
   (dotit (build-interactive-process-graph/simple-states rs ctx)))
 ]}
+
+@defproc[(pretty-print-state-graph/simple-states [sgr Graph]) Graph]{
+
+Pretty prints the node and edge labels in a reaction system
+state graph with simple states.
+
+Simple states, as opposed to @racket[State], do not include the
+remaining context sequence.
+See @racket[build-interactive-process-graph/simple-states] for further
+explanations and examples.
+
+@ex[
+(let ([rs (hash 'a (make-reaction '(x) '(y) '(z))
+                'b (make-reaction '(x y) '() '(x)))]
+      [ctx : (Listof (Setof Species)) (list (set) (set) (set 'x))])
+  (dotit (pretty-print-state-graph/simple-states
+          (build-interactive-process-graph/simple-states rs ctx))))
+]}