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lalrpop

v0.23.1 Growing

convenient LR(1) parser generator

Apache-2.0 OR MIT Edition 2024 MSRV 1.86
Parsing tools #parser#generator#grammar#lr#yacc

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (3.5K crates depend on it)
  • โœ“Team maintained (2 owners)
  • โœ“Permissive license (Apache-2.0 OR MIT)

Security

Checking security advisories...
Downloads
60.6M
Dependents
3.5K
Releases
56
Size
252KB

Deep Insights

๐Ÿ“Š
Stable downloads

3.0M downloads in the last 30 days (99.5K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Widely adopted

3.5K crates depend on lalrpop. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 78 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 10+ years old, lalrpop hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include basic-cookies, solang-parser, vrl, rustpython-parser, cedar-policy-core. When high-quality crates choose lalrpop, it's a strong quality signal.

Health Breakdown

Maintenance 13/25

Recency, release consistency, active ratio

Quality 10/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
88K/day avg-40%
050K100K150K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.20.2
43%
v0.22.2
26%
v0.19.12
20%
v0.20.0
8%
v0.22.1
3%

Release Timeline

10 releases1 yankedsince 2023
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2023
3
2024
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2025
2
2026
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Feature Flags

default =["lexer", "unicode", "pico-args"]

lexer*unicode*

README

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Maintainers

Dependencies
16
direct dependencies
Dependents
3.5K
crates depend on lalrpop

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