* BNF presentation of Pandoc AST, anybody?
@ 2021-04-25 18:19 'John Rose' via pandoc-discuss
[not found] ` <3F6BC311-C472-4F2E-8092-4FB10D50A279-ee4meeAH724@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: 'John Rose' via pandoc-discuss @ 2021-04-25 18:19 UTC (permalink / raw)
To: pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw
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?
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2021-04-25 18:19 BNF presentation of Pandoc AST, anybody? 'John Rose' via pandoc-discuss
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