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Guillem L. Jara
2026-05-03 13:43:45 +02:00
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@@ -4,7 +4,24 @@ This is a human, WIP, and clean implementation of an AWK interpreter, written in
## State of the Repo
The lexer is pretty much done; however, it should track the span of the tokens so we can produce contextual error messages in the parser, and it is also lacking a POSIX-compatibility mode (trivial). The parser is mostly done, although it probably has some rough edges, and the preprocessor is TBD; also, the Pratt routine is a bit spaghetti and should be refactored (trivial). The interpreter is also TBD; work on it will be started once we get good testing on the parser. Expect this to be a fast-paced repo.
### Lexer
Pretty much done; lacking a POSIX-compatibility mode (trivial) and arena integration (trivial).
### Parser
Also mostly done; some bullet points:
* Rough edges around error handling on expected tokens.
* Preprocessor is TBD.
* The Pratt routine is a bit spaghetti and should be refactored (trivial).
* Missing getline expressions and command redirections (trivial).
* We are working on test coverage and fuzzing.
* It would be nice to reduce LOC; maybe we get rid of S-expr debug output.
### Interpreter
TBD; work on it will be started once we get good testing on the parser. Ideally, the design should be a bytecode machine or a JIT. Expect this to be a fast-paced repo.
## Contributing