Exact

Exact Union RegExp

Daniel Frederico Lins Leite 0339852289 Better observability for the compiler (#7250) ... ## Description Whilst finishing "const generics" I spent a LOT of time trying to find why some cases where not working. Until I found the issue on a "indirect input" for the method `type_check_method_application`. The issue is that some other method was returning a wrong value, and although the solution is not hard, there is no way to fix just this problem, and there is no way to assert this returned value to guarantee that the problem will not return. To start to improve these kind of tests, and help debug problems, this PR start to create a "callback" mechanism that allows anyone using the compiler as a library, this will not be available at the CLI, to inspect and control logging. The integration in out e2e test harness is done by the `test.toml`. ``` category = "run" expected_result = { action = "return", value = 1 } expected_result_new_encoding = { action = "return_data", value = "0000000000000001" } validate_abi = true logs = """ if pkg != "std" && event == "on_before_method_resolution" && method == "len_xxx" { print_args(); trace(true); } if pkg != "std" && event == "on_after_method_resolution" && method == "len_xxx" { print_args(); trace(false); } """ ``` The `harness` framework will not call "logs" for every callback that happens outside of the "std" library. To allow interaction with the harness itself, some commands are available: - `print_args` print all the available arguments for that event on the "snapshot"; - `trace` enables/disables trace level logging, that also end up in the "snapshot". In the example above, we will generate the following snapshot: ``` --- source: test/src/e2e_vm_tests/harness_callback_handler.rs assertion_line: 14 --- on_before_method_resolution: FromModule { method_name: len_xxx }; Regular([]); S<unresolved T -> u64, N -> 3> before get_method_safe_to_unify: S<unresolved T -> u64, N -> 3> len_xxx<N -> None>(self: unresolved Self -> S<unresolved T -> T, N -> None>): u64 -> u64 after get_method_safe_to_unify: S<unresolved T -> u64, N -> 3>; len_xxx<N -> 3>(self: unresolved Self -> S<unresolved T -> u64, N -> None>): u64 -> u64 on_after_method_resolution: FromModule { method_name: len_xxx }; Regular([]); S<unresolved T -> u64, N -> 3>; len_xxx<N -> 3>(self: unresolved Self -> S<unresolved T -> u64, N -> None>): u64 -> u64; S<unresolved T -> u64, N -> 3> on_before_method_resolution: FromModule { method_name: len_xxx }; Regular([]); S<unresolved T -> u64, N -> 3> before get_method_safe_to_unify: S<unresolved T -> u64, N -> 3> len_xxx<N -> None>(self: unresolved Self -> S<unresolved T -> T, N -> None>): u64 -> u64 after get_method_safe_to_unify: S<unresolved T -> u64, N -> 3>; len_xxx<N -> 3>(self: unresolved Self -> S<unresolved T -> u64, N -> None>): u64 -> u64 ``` The important part is that the problem I want to fix it's there. On the line of "get_method_safe_to_unify", the "self" parameter const generic argument "N" is not being materialized, although the method resolution pass started with a fully materialized type. With this callback machinery it becomes easier to debug the problems, and possible to generate asserts to internal methods. ## Checklist - [x] I have linked to any relevant issues. - [x] I have commented my code, particularly in hard-to-understand areas. - [ ] I have updated the documentation where relevant (API docs, the reference, and the Sway book). - [ ] If my change requires substantial documentation changes, I have [requested support from the DevRel team](https://github.com/FuelLabs/devrel-requests/issues/new/choose) - [x] I have added tests that prove my fix is effective or that my feature works. - [ ] I have added (or requested a maintainer to add) the necessary `Breaking*` or `New Feature` labels where relevant. - [x] I have done my best to ensure that my PR adheres to [the Fuel Labs Code Review Standards](https://github.com/FuelLabs/rfcs/blob/master/text/code-standards/external-contributors.md). - [ ] I have requested a review from the relevant team or maintainers.		2025-07-18 07:24:32 +00:00
..
src	Better observability for the compiler (#7250)	2025-07-18 07:24:32 +00:00
tests	Add backtrace build option (#7285)	2025-07-17 08:38:16 -07:00
Cargo.toml	Bump fuel deps (#7228)	2025-06-23 13:05:53 +04:00