convert nix file to haskell json object.

[clojurians-org]

i have a nix file as haskell config file, i want to convert it to json.

this is the step i plan to do:

N.parseNixFile
N.runWithBasicEffects
  N.nixEvalExpr
  N.nvalueToJSONNixString

but i have no method to convert NixString to haskell object now.

[Anton-Latukha]

"Chaser, No Straight" (Thelonious Monk reference (I elaborate on the question))

You directly encountered that string handling in HNix is one of the rougher areas that require further forming into a good shape. String.hs explicitly calls for work and there are a number of hacky functions that need to be replaced & because of that situation I needed to implement one myself for handling them.

In Nix language, there is no such type as char, so list can not assemble a sting from them, so string itself is primitive type in the language.

Issue you referring to probably relates also to #534: main type building blocks need to be enumerated in NAtom, but NixString is not represented there and NixString handling structure is not fully formed and needs to be integrated.

[Anton-Latukha]

Maybe by "haskell json object" meant: "haskell json object" file (I do not know of such)

Currently we rolled back on JSON progress, (as remember) due to some instance implementation complications. But export to JSON is of course needed.

[Anton-Latukha]

I still do not understand what is meant by: JSON object.

Is it: https://docs.oracle.com/javaee/7/api/javax/json/JsonObject.html

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Most of To/FromJSON instances for NExprF/NExpr are there.

There is probably a 1-2 push to make NExpr convert.