ohm
Magnit.Tokenization
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| ohm | Magnit.Tokenization | |
|---|---|---|
| 10 | 1 | |
| 4,877 | 1 | |
| 1.0% | - | |
| 6.8 | 10.0 | |
| 30 days ago | over 1 year ago | |
| JavaScript | C# | |
| MIT License | Creative Commons Zero v1.0 Universal |
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ohm
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Ohm: A library and language for building parsers, interpreters, compilers, etc.
Building an interpreter or a compiler from a grammar is an interesting idea. I can't immediately see how to go about it - the grammar would need to match on SSA or similar.
The examples have a lisp-like interpreter at https://github.com/ohmjs/ohm/blob/main/examples/simple-lisp/... which definitely uses a grammar for parsing and might use a generic AST representation.
Will have to think more - a grammar might be a worthwhile way to specify a nanopass style compiler pipeline.
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Is there a generalised, abstract programming language, designed to be specialised to a specific domain?
Look for OMeta and its successor Ohm.
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[AskJS] Why does our community hate Operator Overloading?
One more suggestion: Maybe create your own scripting-language using Ohm? The project works in JavaScript, so whatever you created would sit on top of your existing APIs.
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A different / new way to write compilers?
OMeta and its successor ohm might provide some interesting ideas.
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Ohm – A library and language for building parsers, interpreters, compilers, etc.
Always fun to find the first commit:
https://github.com/harc/ohm/commit/4611bf63c5ecb90d782112d68...
2014
Neat tool. I write parsers by hand though. More fun, and you can be a lot sleazier.
Magnit.Tokenization
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Ohm: A library and language for building parsers, interpreters, compilers, etc.
Oh, this is awesome!
Truth be told, I'm glad I didn't know about it when I wrote a much more simplified project (shameless plug: https://github.com/catapart/Magnit.Tokenization), because I DEFINITELY would have just used your solution, even though its a bit overkill for those needs.
That said, after having finished what I needed, of course I started to wonder about what else I could add to it, with the main stopping force being the need to rewrite the parsing engine (regex ain't going to cut it for more complicated syntaxes). Which is one of those dev projects that linger in the back of your mind until you either see it through, or see that someone else has done it.
And, on that record, I think you've done a better job than I could ever attempt, so I'm very glad to know about this library, now! I don't have anything specifically in mind for it, but having the doors it opens available is quite nice!
What are some alternatives?
PEG.js - PEG.js: Parser generator for JavaScript
codemod - Codemod is a tool/library to assist you with large-scale codebase refactors that can be partially automated but still require human oversight and occasional intervention. Codemod was developed at Facebook and released as open source.
peggy - Peggy: Parser generator for JavaScript
Chevrotain - Parser Building Toolkit for JavaScript
Pegged - A Parsing Expression Grammar (PEG) module, using the D programming language.
mation-spec
usfm-grammar - An elegant USFM parser.
meowlang - Meow Programming Language
pymetaterp - A python parser that builds python ASTs in 502 lines of python without using modules
proposal-operator-overloading
match-iz - A tiny pattern-matching library in the style of the TC39 proposal.