Re: make pretty-print available in ly files (issue 222810043 by address@hidden)

[dak]

On 2015/04/08 09:13:53, thomasmorley651 wrote:

> We have 'write-me' in lily-library.scm, pretty-print is loaded there
anyway.

> We could change 'write-me' to something at the lines of:

> (define*-public (write-me x #:optional (message ""))
>    "Return @var{x}.  Display @var{message} and write @var{x}.
> Handy for debugging, possibly turned off."
>    (display message) (newline)(pretty-print x) (newline) x)

> It would even extend the capability of pretty-print.

I think one problem we might have is that GUILE contains a proper
interface for pretty-printing of Smobs, so we probably could just
integrate with the regular pretty-printing facilities anyway.  But the
documentation of the respective scm_print_state structure in the GUILE
manual basically boils down to "oh, you would probably just want to
ignore this anyway rather than worry your pretty little head over it".

value->lily-string is probably the most useful reasonably generic
printing facility right now.  But nobody really knows it.

https://codereview.appspot.com/222810043/