fix panic off-by-one-error

janet/recursive.janet

@@ -328,9 +328,12 @@
  (array/push (ast :data) (capture nonbinding parser))
  ast)
 
-
+### XXX: We've got an off-by-one error here
+# We're expecting a terminator, we panic until we get to a terminator, and we then return back to something that expects a terminator, and now we've started parsing again *at the terminator*
 (defn- terminator [parser]
- (if-not (terminates? parser) (panic parser "expected terminator"))
+ (if-not (terminates? parser) 
+  # this line panics, captures the panic, advances the parser, and re-throws the error
+  (try (panic parser "expected terminator") ([e] (advance parser) (error e))))
  (advance parser)
  (while (terminates? parser) (advance parser)))
 
@@ -511,14 +514,16 @@
 (import ./scanner :as s)
 (do
 #(comment
-(def source "when {
-foo -> bar
+(def source `when {
+ foo -> bar quux
+ bar -> baz
 }
-")
+`)
 (def scanned (s/scan source))
 (def a-parser (new-parser scanned))
 (def parsed (whenn a-parser))
 (-> parsed)
+# (map (fn [t] (t :type)) (scanned :tokens))
 )