https://github.com/jimhester/parser

An alternate parser for R (Vaporware for now)
https://github.com/jimhester/parser

Last synced: 20 days ago
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An alternate parser for R (Vaporware for now)

• Host: GitHub
• URL: https://github.com/jimhester/parser
• Owner: jimhester
• Created: 2015-10-19T19:54:27.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2015-10-19T20:27:17.000Z (about 9 years ago)
• Last Synced: 2024-11-05T03:22:04.817Z (2 months ago)
• Size: 109 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 4
• Metadata Files:
  • Readme: README.md

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README

        
# parser

An alternate parser for R (Vaporware for now)

Currently a place for me to collect information / ideas

# Need for an alternate parser

- Current bison/YACC paser is hard (for me) to follow https://github.com/wch/r-source/blob/trunk/src/main/gram.y.

- parsed expressions do not retain detailed per token location information

- comment source locations are not retained.

- `getParseData()`

  - data is limited and somewhat buggy / inconsistant.

  - No great way to map parsed expressions to getParseData output.

- Would prove useful to

  - Existing packages

    - https://github.com/jimhester/lintr

    - https://github.com/jimhester/covr

    - https://github.com/yihui/formatR

  - Future packages similar to

    - https://golang.org/cmd/gofmt/

    - https://babeljs.io/

    - https://github.com/estree/estree

    - https://github.com/marijnh/tern