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Re: passing a Context to a scheme function (format-metronome-markup)
From: |
Han-Wen Nienhuys |
Subject: |
Re: passing a Context to a scheme function (format-metronome-markup) |
Date: |
Tue, 7 Oct 2008 11:58:06 -0300 |
You can't do this; the format-metronome-markup is run during
interpreting, from Metronome_mark_engraver, which will pass the
context object by doing context()->self_scm() in C++.
I suggest you refactor the code a bit, so your call and
format-metronome-markup use the same code.
On Mon, Oct 6, 2008 at 7:10 PM, Graham Percival <address@hidden> wrote:
> I'm experimenting with calling (format-metronome-markup) directly,
> but I'm having difficulty with the context argument.
> // main code:
> (define-public (format-metronome-markup text dur count context)
> ...
>
> My code:
> \header{
> piece = #(format-metronome-markup "Allegro" 4 120 'Global)
> }
> \relative c' { c }
>
> Error message:
> foo.ly:3:11: error: GUILE signaled an error for the expression
> beginning here
> piece = #
> (format-metronome-markup "Allegro" 4 120 'Global)
> Wrong type argument in position 1 (expecting Context): Global
>
>
> I've tried #f, '(), 'void, 'Score, and a few other things I can't
> remember. The only time that context occurs in the function is
> (let* ((hide_note (eq? #t (ly:context-property context
> 'tempoHideNote))) which doesn't concern me -- I want this to always
> resolve to false. How do I give the function a Context?
--
Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen
- passing a Context to a scheme function (format-metronome-markup), Graham Percival, 2008/10/06
- Re: passing a Context to a scheme function (format-metronome-markup),
Han-Wen Nienhuys <=
- Re: passing a Context to a scheme function (format-metronome-markup), Reinhold Kainhofer, 2008/10/07
- Re: passing a Context to a scheme function (format-metronome-markup), Reinhold Kainhofer, 2008/10/07
- Re: passing a Context to a scheme function (format-metronome-markup), Han-Wen Nienhuys, 2008/10/07
- Re: passing a Context to a scheme function (format-metronome-markup), Graham Percival, 2008/10/13
- Re: passing a Context to a scheme function (format-metronome-markup), Patrick McCarty, 2008/10/13
- Re: passing a Context to a scheme function (format-metronome-markup), Graham Percival, 2008/10/13