difftastic VS diffsitter

https://github.com/Wilfred/difftastic/issues/560 help wanted :)

Semantic Diff is probably the closest for now, although I don't think it uses tree-sitter.

https://semanticdiff.com/

Found via https://github.com/Wilfred/difftastic/issues/194.

Yes there is an `—-override` option you can use to specify the language in which a file should be parsed.

https://github.com/Wilfred/difftastic/blob/master/CHANGELOG....

Use the fantastic difftastic instead of git's diff. https://difftastic.wilfred.me.uk/

  [alias]

difftastic provides similar capabilities in a free tool based on treesitter

difftastic? https://github.com/Wilfred/difftastic

Looks very similar to the treesitter based difftastic, which seems to support more languages and a less problematic business model.

If you're looking for a VS Code extension or a GitHub app, check out https://semanticdiff.com/. I'm a co-founder of this project.

If you prefer a CLI tool, check out https://github.com/Wilfred/difftastic. It supports more languages, but doesn't recognize when code has been replaced by an equivalent version ("invariances"). So it will show some changes (e.g. replacing a character in a string with an escape sequence) even though they are technically equivalent.

Or https://github.com/afnanenayet/diffsitter. I've tried both and I like them. No preference or notable opinions on them yet!

For git diff's I've been using https://github.com/afnanenayet/diffsitter

One more tree-sitter based diffing tool - diffsitter

https://github.com/afnanenayet/diffsitter

Several threads here point to difftastic: https://github.com/Wilfred/difftastic

I know a lot of people who have a lot of hope for diffsitter (or something like it): https://github.com/afnanenayet/diffsitter

Personally, I think the reason most "good" semantic diff tools are proprietary is that they are huge amounts of effort that are mostly "hacks" and "heuristics" bandaged together in ways that people don't want to let out how the sausage was made.

But I also "general, language agnostic AST-based semantic diff" is a mountain peak we cannot reach (probably ever), and I believe my experiments found an interesting local maxima that people are maybe sleeping on (lexer-based diffs rather than parser-based diffs): https://github.com/WorldMaker/tokdiff

https://github.com/afnanenayet/diffsitter there are quiet a few projects such as this one, attempting to solve the issue. :)

There’s an interesting project in the semantic diff/merge space that I have been keeping an eye out for https://github.com/afnanenayet/diffsitter

I have never used any of them, but it look like tree-sitter based diff tools are exactly what you are searching for (like difftastic, gumtree or diffsitter).

Counterpoint: a quick google reveals diffsitter: https://github.com/afnanenayet/diffsitter

The output could be a lot more compact, it could do better at adding context (in the same way https://github.com/romgrk/nvim-treesitter-context does, etc), so if you're interested in this it's really within reach, go help out.

I believe Unison is the only attempt to do this at a programming language/environment level.

For Git diffs, there is Diffsitter, which uses Tree Sitter to generate semantic diffs of code files: https://github.com/afnanenayet/diffsitter

I have not used it, but it is high on my todo list.

I think everyone may be interested in: https://github.com/afnanenayet/diffsitter

Github having an option to have their PR GUI use an AST diff like this could be a fun and useful option.