@lezer/lr
Advanced tools
Changelog
1.4.0 (2024-01-22)
The new InputStream.acceptTokenTo method allows a tokenizer to create a token that ends at some absolute position.
Readme
[ WEBSITE | ISSUES | FORUM | CHANGELOG ]
Lezer ("reader" in Dutch, pronounced pretty much as laser) is an incremental GLR parser intended for use in an editor or similar system, which needs to keep a representation of the program current during changes and in the face of syntax errors.
It prioritizes speed and compactness (both of parser table files and of syntax tree) over having a highly usable parse tree—trees nodes are just blobs with a start, end, tag, and set of child nodes, with no further labeling of child nodes or extra metadata.
This package contains the run-time LR parser library. It consumes parsers generated by @lezer/generator.
The parser programming interface is documented on the website.
The code is licensed under an MIT license.
This project was hugely inspired by tree-sitter.
FAQs
Incremental parser
The npm package @lezer/lr receives a total of 1,306,937 weekly downloads. As such, @lezer/lr popularity was classified as popular.
We found that @lezer/lr demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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