fixed some repl-printing related bugs that would make 'write' sensitive to pretty-print's parameters in drscheme's repl

svn: r18321

collects/drscheme/private/drsig.ss

@@ -283,6 +283,8 @@
    simple-settings->vector
    
    simple-module-based-language-config-panel
+   simple-module-based-language-convert-value
+   setup-printing-parameters
    
    add-snip-value
    setup-setup-values

collects/drscheme/private/language.ss

@@ -333,21 +333,23 @@
   
   ;; simple-module-based-language-render-value/format : TST settings port (union #f (snip% -> void)) (union 'infinity number) -> void
   (define (simple-module-based-language-render-value/format value settings port width)
-        (let ([converted-value (simple-module-based-language-convert-value value settings)])
+    (let ([converted-value (simple-module-based-language-convert-value value settings)])
-          (setup-printing-parameters 
+      (setup-printing-parameters 
-           (λ ()
+       (λ ()
-             (cond
+         (cond
-               [(simple-settings-insert-newlines settings)
+           [(simple-settings-insert-newlines settings)
-                (if (number? width)
+            (if (number? width)
-                    (parameterize ([pretty-print-columns width])
+                (parameterize ([pretty-print-columns width])
-                      (pretty-print converted-value port))
-                    (pretty-print converted-value port))]
-               [else
-                (parameterize ([pretty-print-columns 'infinity])
                   (pretty-print converted-value port))
-                (newline port)]))
+                (pretty-print converted-value port))]
-           settings
+           [else
-           width)))
+            (parameterize ([pretty-print-columns 'infinity])
+              (pretty-print converted-value port))
+            (newline port)]))
+       settings
+       width)))
+  
+  (define default-pretty-print-current-style-table (pretty-print-current-style-table))
   
   ;; setup-printing-parameters : (-> void) simple-settings number -> void
   (define (setup-printing-parameters thunk settings width)
@@ -366,7 +368,20 @@
                                                 0)]
                      [pretty-print-pre-print-hook (λ (val port) (void))]
                      [pretty-print-post-print-hook (λ (val port) (void))]
-                     
+                     [pretty-print-exact-as-decimal #f]
+                     [pretty-print-depth #f]
+                     [pretty-print-.-symbol-without-bars #f]
+                     [pretty-print-show-inexactness #f]
+                     [pretty-print-abbreviate-read-macros #t]
+                     [pretty-print-current-style-table default-pretty-print-current-style-table]
+                     [pretty-print-remap-stylable (λ (x) #f)]
+                     [pretty-print-print-line
+                      (lambda (line port offset width)
+                        (when (and (number? width)
+                                   (not (eq? 0 line)))
+                          (newline port))
+                        0)]
+                          
                      [pretty-print-columns width]
                      [pretty-print-size-hook
                       (λ (value display? port)

collects/lang/htdp-langs.ss

@@ -184,16 +184,31 @@
               (thunk)))
           
           (define/override (render-value/format value settings port width)
-            (set-printing-parameters
+            (teaching-language-render-value/format value settings port width))
-             settings
-             (lambda ()
-               (super render-value/format value settings port width))))
-          
           (define/override (render-value value settings port)
-            (set-printing-parameters
+            (teaching-language-render-value/format value settings port 'infinity))
+          
+          (define/private (teaching-language-render-value/format value settings port width)
+            ;; set drscheme's printing parameters
+            (drscheme:language:setup-printing-parameters
+             (λ ()
+               ;; then adjust the settings for the teaching languages
+               (set-printing-parameters
+                settings
+                (λ () 
+                  (let ([converted-value (drscheme:language:simple-module-based-language-convert-value value settings)])
+                    (cond
+                      [(drscheme:language:simple-settings-insert-newlines settings)
+                       (if (number? width)
+                           (parameterize ([pretty-print-columns width])
+                             (pretty-print converted-value port))
+                           (pretty-print converted-value port))]
+                      [else
+                       (parameterize ([pretty-print-columns 'infinity])
+                         (pretty-print converted-value port))
+                       (newline port)])))))
              settings
-             (lambda ()
+             width))
-               (super render-value value settings port))))
           
           (super-new)))
       

collects/mrlib/interactive-value-port.ss

@@ -39,9 +39,11 @@
          (exact? x)
          (real? x)
          (not (integer? x))))
-  
+
+  (define default-pretty-print-current-style-table (pretty-print-current-style-table))
+
   (define (do-printing pretty value port)
-    (parameterize (;; these three handlers aren't used, but are set to override the user's settings
+    (parameterize (;; these handlers aren't used, but are set to override the user's settings
                    [pretty-print-print-line (λ (line-number op old-line dest-columns) 
                                                 (when (and (not (equal? line-number 0))
                                                            (not (equal? dest-columns 'infinity)))
@@ -50,7 +52,20 @@
                    [pretty-print-pre-print-hook (λ (val port) (void))]
                    [pretty-print-post-print-hook (λ (val port) (void))]
                    [pretty-print-columns 'infinity]
-                     
+                   [pretty-print-exact-as-decimal #f]
+                   [pretty-print-depth #f]
+                   [pretty-print-.-symbol-without-bars #f]
+                   [pretty-print-show-inexactness #f]
+                   [pretty-print-abbreviate-read-macros #t]
+                   [pretty-print-current-style-table default-pretty-print-current-style-table]
+                   [pretty-print-remap-stylable (λ (x) #f)]
+                   [pretty-print-print-line
+                    (lambda (line port offset width)
+                      (when (and (number? width)
+                                 (not (eq? 0 line)))
+                        (newline port))
+                      0)]
+                   
                    [pretty-print-size-hook
                     (λ (value display? port)
                       (cond

collects/tests/drscheme/repl-test.ss

@@ -972,6 +972,21 @@ This produces an ACK message
            void
            void)
    
+   (mktest (format "~s\n~s"
+                   `(require scheme/pretty)
+                   `(parameterize ((pretty-print-exact-as-decimal #t)) (display 1/4)))
+           
+           ("1/4"
+            "1/4"
+            "1/4"
+            "1/4"
+            "1/4"
+            "1/4")
+           'interactions
+           #f
+           void
+           void)
+   
    (mktest
     (string-append
      "(define p (open-output-string))\n"