From 48cfe5c5d2fe17343905ced100e73723c099a55c Mon Sep 17 00:00:00 2001
From: Joe Neeman <joeneeman@gmail.com>
Date: Thu, 1 Feb 2007 19:45:07 +0200
Subject: [PATCH] small graphing fixes

---
 ly/graphviz.ly   | 20 ++++++++++++--------
 scm/graphviz.scm | 22 +++++++++++-----------
 2 files changed, 23 insertions(+), 19 deletions(-)

diff --git a/ly/graphviz.ly b/ly/graphviz.ly
index 65b6538ec6..097805337f 100644
--- a/ly/graphviz.ly
+++ b/ly/graphviz.ly
@@ -1,12 +1,14 @@
 \version "2.11.15"
 
+#(use-modules (scm graphviz))
+
 #(define last-grob-action '())
 
 #(define sym-blacklist
-  '(cause font))
+  '())
 
 #(define sym-whitelist
-  '(control-points))
+  '())
 
 #(define file-line-blacklist
   '())
@@ -14,6 +16,9 @@
 #(define file-line-whitelist
   '())
 
+#(define (whitelist-symbol sym)
+  (set! sym-whitelist (cons sym sym-whitelist)))
+
 #(define graph (make-graph "graph.dot"))
 
 % an event is relevant if
@@ -36,18 +41,17 @@
   (let* ((prev (assv grob last-grob-action))
          (val-str0 (format "~a" val))
          (val-str (string-take val-str0 (min 50 (string-length val-str0))))
-	 (label (format "~a\\n~a:~a\\n~a <- ~a" grob file line prop val-str))
-	 (node-id (make-node graph label file)))
+	 (label (format "~a\\n~a:~a\\n~a <- ~a" grob file line prop val-str)))
    (if (relevant? grob file line prop)
-    (begin
+    (let ((node-id (add-node graph label file)))
      (if (pair? prev)
       (add-edge graph (cdr prev) node-id))
      (set! last-grob-action (assv-set! last-grob-action grob node-id))))))
 
 #(define (grob-create grob file line func)
   (let* ((label (format "~a\\n~a:~a" grob file line))
-	 (node-id (make-node graph label file)))
-   (set! last-grob-action (assv-set! last-grob-action grob node-num))))
+	 (node-id (add-node graph label file)))
+   (set! last-grob-action (assv-set! last-grob-action grob node-id))))
 
 #(ly:set-grob-modification-callback grob-mod)
-#(ly:set-grob-creation-callback grob-create)
+%#(ly:set-grob-creation-callback grob-create)
diff --git a/scm/graphviz.scm b/scm/graphviz.scm
index d361302fed..8ad3600ffa 100644
--- a/scm/graphviz.scm
+++ b/scm/graphviz.scm
@@ -20,18 +20,18 @@
 (define (clusters g) (vector-ref g 3))
 
 (define (add-cluster graph node-id cluster-name)
-  (let ((cs (clusters g))
-	(cluster (assq cluster-name cs))
-	(already-in-cluster (if cluster
-				(cdr cluster)
-				'())))
-    (vector-set! graph 3 (assq-set! cluster-name
-				    (cons node-id already-in-cluster)
-				    cs))))
+  (let* ((cs (clusters graph))
+	 (cluster (assq cluster-name cs))
+	 (already-in-cluster (if cluster
+				 (cdr cluster)
+				 '())))
+    (vector-set! graph 3 (assq-set! cs
+				    cluster-name
+				    (cons node-id already-in-cluster)))))
 
 (define (add-node graph label . cluster-name)
-  (let ((ns (nodes graph))
-        (id (length ns)))
+  (let* ((ns (nodes graph))
+         (id (length ns)))
     (vector-set! graph 1 (cons `(,id . ,label) ns))
     (if (and (not (null? cluster-name))
 	     (string? (car cluster-name)))
@@ -54,7 +54,7 @@
 	 es)
     (map (lambda (c)
 	  (display (format "subgraph cluster_~a {\nlabel= \"~a\"\ncolor=blue\n"
-			   (string-filter char-alphabetic? (car c))
+			   (string-filter (car c) char-alphabetic?)
 			   (car c))
 		   out)
 	  (map (lambda (n) (display (format "~a\n" n) out)) (cdr c))
-- 
2.39.5