Improve verbose printer.

- Fewer newlines.
 - Avoid printing hidden fields.

collects/typed-scheme/rep/rep-utils.rkt

@@ -1,7 +1,7 @@
 #lang scheme/base
 (require "../utils/utils.rkt")
 
-(require mzlib/struct 
+(require mzlib/struct mzlib/pconvert
          scheme/match
          syntax/boundmap
          "free-variance.rkt"
@@ -265,4 +265,20 @@
   (apply maker (list-update flds idx new-val)))
 
 (define (replace-syntax rep stx)
-  (replace-field rep stx 3))
+  (replace-field rep stx 3))
+
+(define (converter v basic sub)
+  (define (gen-constructor sym)
+    (string->symbol (string-append "make-" (substring (symbol->string sym) 7))))
+  (match v
+    [(? (lambda (e) (or (Filter? e)
+                        (Object? e)
+                        (PathElem? e)))
+        (app (lambda (v) (vector->list (struct->vector v))) (list-rest tag seq fv fi stx vals)))
+     `(,(gen-constructor tag) ,@(map sub vals))]
+    [(? Type?
+        (app (lambda (v) (vector->list (struct->vector v))) (list-rest tag seq fv fi stx key vals)))
+     `(,(gen-constructor tag) ,@(map sub vals))]
+    [_ (basic v)]))
+
+(current-print-convert-hook converter)

collects/typed-scheme/utils/utils.rkt

@@ -139,15 +139,12 @@ at least theoretically.
   print-type* print-filter* print-latentfilter* print-object* print-latentobject*
   print-pathelem*)
 
-(define pseudo-printer
-  (lambda (s port mode)
-    (parameterize ([current-output-port port]
-                   [show-sharing #f]
-                   [booleans-as-true/false #f]
-                   [constructor-style-printing #t])
-      (newline)
-      (pretty-print (print-convert s))
-      (newline))))
+(define (pseudo-printer s port mode)
+  (parameterize ([current-output-port port]
+                 [show-sharing #f]
+                 [booleans-as-true/false #f]
+                 [constructor-style-printing #t])
+    (pretty-print (print-convert s))))
 
 (define custom-printer (make-parameter #t))