Re: Lilypond inside scheme

[Nicolas Sceaux]

Joe Neeman <address@hidden> writes:

> In lilypond 2.6.3, I copied the example from the manual page on "Using 
> Lilypond syntax inside scheme":
>
> #(define mynotes #{ \override Stem #'thickness = #4
>                     { c'8 d' } #})
>
> But it gives me the error
> Parsing...
> <string>:1:22: error: syntax error, unexpected STRING
>                     {
>                       c'8 d' }  }
>
> Is the example incorrect or have I done something wrong?

For a reason I don't get, you have to explicitly add \notemode :

#(define mynotes #{ \override Stem #'thickness = #4 
                    \notemode { c'8 d' } #})

Maybe we should add the \notemode directly in the #{ #} definition.

Index: scm/ly-from-scheme.scm
===================================================================
RCS file: /cvsroot/lilypond/lilypond/scm/ly-from-scheme.scm,v
retrieving revision 1.10
diff -u -r1.10 ly-from-scheme.scm
--- scm/ly-from-scheme.scm      11 Jul 2005 12:59:30 -0000      1.10
+++ scm/ly-from-scheme.scm      9 Sep 2005 17:16:11 -0000
@@ -18,12 +18,10 @@
 
 (define-public (ly:parse-string-result str parser)
   "Parse `str', which is supposed to contain a music expression."
-  (let ((music-sym (gen-lily-sym)))
-    (ly:parser-parse-string
-     parser
-     (format #f "parseStringResult = { ~a }" str))
-
-    (ly:parser-lookup parser 'parseStringResult)))
+  (ly:parser-parse-string
+   parser
+   (format #f "parseStringResult = \\notemode { ~a }" str))
+  (ly:parser-lookup parser 'parseStringResult))
 
 (define-public (read-lily-expression chr port)
   "Read a #{ lily music expression #} from port and return