Lexer
Version, currently master branch1 version
- master branchlatestJul 5, 2020
github.com/lwakefield/lexer.cr
A simple regex based lexer
4 stars
0 dependents
License: MIT
Installation
# Add this to your shard.yml
dependencies:
Lexer:
github: lwakefield/lexer.cr
branch: mastermaster is a branch, not a release, so this tracks it rather than pinning a version.
Then run:
shards installshard.yml
- Crystal
0.35.0- License
- MIT
- Author
- Lawrence Wakefield
- Target
lexerfrom lexer.cr
Dependencies
This version declares no dependencies.
README
lexer.cr
A super simple regex based lexer written in Crystal.
# precedence defined by order in which keys are defined ie. def has a higher
# precedence than identifier.
token_map = {
"def" => /def/,
"end" => /end/,
"identifier" => /\w+/,
"number" => /\d+/,
"lparen" => /\(/,
"rparen" => /\)/,
"plus" => /\+/,
"whitespace" => /\s+/,
}
Lexer.lex(token_map, "def inc (a) a + 1 end")Lex away!
Documentation
Built from the current release. The first visit to a release nobody has asked for starts its build.
Links
This branch
- Branch
master- Seen
- Jul 5, 2020
- Crystal
0.35.0- Indexed
- yes
Dependents
No indexed shard depends on this one yet.
Repository
github.com/lwakefield/lexer.cr
Metadata
- Created
- Aug 12, 2026
- Updated
- Aug 14, 2026
- Synced
- Aug 14, 2026
- Versions
- 1