[Mlir-commits] [mlir] [mlir] Add the ability to override attribute parsing/printing in attr-dicts (PR #103304)

[Benjamin Maxwell]

MacDue wrote:

> This can already be supported in custom C++ assembly, so may be what's missing instead is the ability to have a custom call-back for the declarative assembly `attr-dict` ?

This PR adds the easy way to implement this in custom C++ assembly (otherwise, you'd have to manually parse the whole `attr-dict` for each operation that wants something like this). I'm not sure I follow on the second point.

https://github.com/llvm/llvm-project/pull/103304