https://github.com/steshaw/language-swift2-quote

💫 Swift 2.1 parser and pretty-printer 🚧💔😢
https://github.com/steshaw/language-swift2-quote

haskell parser swift swift-2

Last synced: about 1 month ago
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💫 Swift 2.1 parser and pretty-printer 🚧💔😢

• Host: GitHub
• URL: https://github.com/steshaw/language-swift2-quote
• Owner: steshaw
• License: bsd-3-clause
• Created: 2016-05-04T02:00:01.000Z (about 10 years ago)
• Default Branch: master
• Last Pushed: 2019-09-15T04:17:57.000Z (almost 7 years ago)
• Last Synced: 2025-07-26T02:56:39.783Z (11 months ago)
• Topics: haskell, parser, swift, swift-2
• Language: Haskell
• Homepage:
• Size: 205 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Quasiquotation for Swift in Haskell

This library will eventually provide quasiquotation support for Swift in

Template Haskell.

## Warning

Unfortunately the Swift 2.1 grammar is quite left recursive -- not just on the

small scale but on a large scale. This was not something I had noticed before

digging right into this project. It looks as though the changes for Swift 3

might make some things easier in this regard (though I haven't checked the

grammar closely). Much of this parser may be reusable for Swift 3. I would

recommend using a [grammar checking

tool](http://smlweb.cpsc.ucalgary.ca/start.html) prior to encoding the Swift 3

grammar in parser combinators.

## Resources

- [Swift 5.1 Grammar Summary](https://docs.swift.org/swift-book/ReferenceManual/zzSummaryOfTheGrammar.html)

## TODO

- [ ] Upgrade to 5.1 🤣.

- [ ] Fix "large scale" left-recursion.

- [ ] remaining `pattern` productions.

- [ ] Replace interim `identifier` parser with one that meets the spec.

- [ ] `getter-setter-keyword-block` (currently disguised as simply `getter-setter-block`).

- [ ] expressions need to use `chainr` and `chainl`.

- [ ] missing/incomplete rendering functions.

- [ ] additional test cases:

  - [ ] closures and closure signatures

  - [ ] availability conditions

  - [ ] protocol members

  - [ ] nested expressions

  - [ ] enums