-;;;; graphviz.scm -- utilities for creating graphviz output
+;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; source file of the GNU LilyPond music typesetter
+;;;; Copyright (C) 2007--2015 Joe Neeman <joeneeman@gmail.com>
;;;;
-;;;; (c) 2007--2008 Joe Neeman <joeneeman@gmail.com>
+;;;; LilyPond is free software: you can redistribute it and/or modify
+;;;; it under the terms of the GNU General Public License as published by
+;;;; the Free Software Foundation, either version 3 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; LilyPond is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
(define-module (scm graphviz)
#:use-module (lily)
#:export
(make-empty-graph add-node add-edge add-cluster
- graph-write
- ))
+ graph-write
+ ))
(define graph-type (make-record-type "graph" '(nodes edges clusters name)))
(define (add-cluster graph node-id cluster-name)
(let* ((cs (clusters graph))
- (cluster (assq cluster-name cs))
- (already-in-cluster (if cluster
- (cdr cluster)
- '())))
- (set-clusters! graph (assq-set! cs
- cluster-name
- (cons node-id already-in-cluster)))))
+ (cluster (assoc cluster-name cs))
+ (already-in-cluster (if cluster
+ (cdr cluster)
+ '())))
+ (set-clusters! graph (assoc-set! cs
+ cluster-name
+ (cons node-id already-in-cluster)))))
(define (add-node graph label . cluster-name)
(let* ((ns (nodes graph))
(id (length ns)))
- (set-nodes! graph (assq-set! ns id label))
+ (set-nodes! graph (assv-set! ns id label))
(if (and (not (null? cluster-name))
- (string? (car cluster-name)))
- (add-cluster graph id (car cluster-name)))
+ (string? (car cluster-name)))
+ (add-cluster graph id (car cluster-name)))
id))
(define (add-edge graph node1 node2)
(define (graph-write graph out)
(let ((ns (nodes graph))
- (es (edges graph))
- (cs (clusters graph)))
- (ly:message (format (_ "Writing graph `~a'...") (port-filename out)))
+ (es (edges graph))
+ (cs (clusters graph)))
+ (ly:message (format #f (_ "Writing graph `~a'...") (port-filename out)))
(display "digraph G {\nrankdir=\"LR\"\nnode [shape=rectangle]\n" out)
- (map (lambda (n) (display (format "~a [label=\"~a\"]\n" (car n) (cdr n)) out))
- ns)
- (map (lambda (e) (display (format "~a -> ~a\n" (car e) (cdr e)) out))
- es)
- (map (lambda (c)
- (display (format "subgraph cluster_~a {\nlabel= \"~a\"\ncolor=blue\n"
- (string-filter (car c) char-alphabetic?)
- (car c))
- out)
- (map (lambda (n) (display (format "~a\n" n) out)) (cdr c))
- (display "}\n" out))
- cs)
+ (for-each (lambda (n) (format out "~a [label=\"~a\"]\n" (car n) (cdr n)))
+ ns)
+ (for-each (lambda (e) (format out "~a -> ~a\n" (car e) (cdr e)))
+ es)
+ (for-each (lambda (c)
+ (format out "subgraph cluster_~a {\nlabel= \"~a\"\ncolor=blue\n"
+ (if (guile-v2)
+ (string-filter char-alphabetic? (car c))
+ (string-filter (car c) char-alphabetic?))
+ (car c))
+ (for-each (lambda (n) (format out "~a\n" n)) (cdr c))
+ (display "}\n" out))
+ cs)
(display "}" out)))