Plugin based architecture in Rust

• minfac

  1 23 0.8 Rust

  Lightweight Inversion Of Control

Creating a microframework on top of minfac is straight forward. The following sections illustrate the takeaways when building the prototype. The workspace has the following structure:

• abi_stable_crates

  7 491 4.9 Rust

  Rust-to-Rust ffi,ffi-safe equivalents of std types,and creating libraries loaded at startup.

Unfortunately, just before publishing this article I found out, that Rust does not guarante a stable ABI, not even between two separate runs of the compiler with the same rustc version. This measn that plugins might suddenly not be compatible anymore for no obvious reasons. Even though I never experienced any problems during development (neither on windows, linux nor mac), I'd recommend you to just share datastructures with #[repr(C)] attribute or use types from abi_stable_crates. A stable ABI will be shipped with minfac:0.0.2, as datastructures in minfac:0.0.1 don't have the #[repr(C)] attribute yet. A discussion about having a stable Rust ABI can be found in the internals forum. If anybody knows, why compiling with the compiler option -C prefer-dynamic is supported, I'd be interested to know, as I can't see how this problem is solved there.

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