Re: file structure (hierarchy)

[Bertalan Fodor (LilyPondTool)]

Yes, you are right, though I only wanted to provide a fragment from the 
grammar, just to show the point. I also didn't notice I can't have a 
paper block, because I was concerned only about grammar rules and not 
the actions.


Mats Bengtsson wrote:
> Bertalan Fodor (LilyPondTool) wrote:
> > See the attached image for a simplified structure definition of a 
> > score block.
> Nice! I don't agree with all details, though.
> > Well, \set is a music expression, namely a music property definition. 
> > What is good to remember is that there is 3 kinds of output 
> > definition: \paper, \layout and \midi
> If you read carefully in lily/parser.yy, you'll notice that a \paper 
> block cannot
> be included within a \score block. On the other hand, you forgot to 
> mention
> that a \header block can be included in a \score block.
>
> My other main objection to your nice graph, is that a composite_music
> is either a simultaneous_music << ... >> or a sequential_music {...}.
>
> Also, your graph does not mention the prefix_composite_music, i.e.
> that you can have such things as \repeat volta 2 {...} or \relative 
> c'' << ... >> or ...
> This is natural, since the intention is to just provide a simplified 
> overview, still
> there have been some questions over the years, related to exactly this 
> issue.
>
>    /Mats


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