usethesource/rascal
The implementation of the Rascal meta-programming language (including interpreter, type checker, parser generator, compiler and JVM based run-time system)
Rascal is a meta-programming language that helps you design and implement your own programming languages, domain-specific languages, or specialized code generators. You provide the rules for your new language or transformations, and Rascal outputs a working interpreter, parser, type checker, or compiler. This is for software engineers, language designers, or researchers who need to create custom language tools.
453 stars.
Use this if you need to quickly build and experiment with new programming languages, create domain-specific languages for specific tasks, or generate complex code from simpler descriptions.
Not ideal if you are looking for an off-the-shelf solution for a standard programming task or if you don't need to create custom language tooling.
Stars
453
Forks
82
Language
Java
License
—
Category
Last pushed
Mar 18, 2026
Commits (30d)
0
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