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A tool that generates a TypeScript file from your Jison grammar's semantic actions so you can typecheck those semantic actions

Home Page: https://www.npmjs.com/package/tyson

License: MIT License

JavaScript 21.18% TypeScript 78.82%

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tyson's Issues

Can't install v1.5.0

When I try to install v1.5.0, this happens:

kyles-mbp:sandc kyle$ npm install --save-dev tyson
npm ERR! code ENOENT
npm ERR! syscall chmod
npm ERR! path /Users/kyle/sand-lang/sandc/node_modules/tyson/dist/cli.js
npm ERR! errno -2
npm ERR! enoent ENOENT: no such file or directory, chmod '/Users/kyle/sand-lang/sandc/node_modules/tyson/dist/cli.js'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent

Empty production rule leads to an argument of type `TysonTypeDictionary[""]` being emitted

Expected behavior:

const semanticActions = {
  "optPackageStatement -> "(): TysonTypeDict["optPackageStatement"] {
    let $$: TysonTypeDict["optPackageStatement"];
    // ...
    return $$;
  },
};

Actual behavior:

const semanticActions = {
  "optPackageStatement -> "(
    $1: TysonTypeDict[""],
  ): TysonTypeDict["optPackageStatement"] {
    let $$: TysonTypeDict["optPackageStatement"];
    // ...
    return $$;
  },
};

types in moduleIncludes block

[#6] includes the %{...%} code block into the generated TS file. This is fine for constants but problematic for code that needs typing because jison's output isn't typescript-friendly. I'm tooling away on this now.

`--type-dict-interface` flag not recognized

I ran the following command:

tyson grammar/sand.jison src/interfaces/tysonTypeDict.ts --type-dict-interface TysonTypeDict --out src/parser/semanticActions.generated.ts

Expected behavior:

I would expect Tyson to generate a TypeScript file as intended.

Actual behavior:

I got the following error:

Expecting a file with one of the following extensions: [".jison", ".ts"], but received "--type-dict-interface".

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