Re: BNF presentation of Pandoc AST, anybody?

[mb21 <mauro.bieg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

[-- Attachment #1.1: Type: text/plain, Size: 1730 bytes --]

Text.Pandoc.Definition.Pandoc is written in Haskell syntax, so arguably 
that's already BNF-like..? Which appraoch/tool to use really depends on 
what you want to do with the tree after that..

On Sunday, April 25, 2021 at 8:19:59 PM UTC+2 ros...-ee4meeAH724@public.gmane.org wrote:

> Does anybody have a BNF-style grammar that presents
> the AST structure of Text.Pandoc.Definition.Pandoc?
>
> Something generally like:
>
> Pandoc = Meta (Block)*
> Meta = (Text → MetaValue)*
> MetaValue = MetaMap | MetaList | MetaBool | MetaString | MetaInlines 
> |MetaBlocks
> MetaMap = (Text → MetaValue)*
> MetaList = (MetaValue)*
> MetaBool = Bool
> MetaString = Text
> MetaInlines = (Inline)*
> MetaBlocks = (Block)*
> Block = …
>
> and so on. Each producti0n is a data constructor application.
> Basic stuff like Map and List would get their own BNF-style
> syntax.
>
> Or maybe a railway graph? I started to make a cheat-sheet,
> but surely such a thing has already been done.
>
> TIA,
> — John
>
> P.S. Also, someone has surely written an interpreter,
> maybe a framework, that starts something like this:
>
> ```{.lua-exec #thatOne}
> return 42
> ```
> neutral content
> ```{.lua-exec #thisOne}
> print(thatOne)
> ```
>
> Any hints on where such a thing might be?

-- 
You received this message because you are subscribed to the Google Groups "pandoc-discuss" group.
To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/d7407dfb-c6ee-42b7-a4cd-b1500b228962n%40googlegroups.com.

[-- Attachment #1.2: Type: text/html, Size: 2298 bytes --]