Use Unit_info.t more like upstream
#3926
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This requires knowing the pack prefix wherever a `Unit_info.t` is created, but generally we're creating a `Compilation_unit.t` and a `Unit_info.t` at the same time so the caller already knows the pack prefix.
This makes downstream and upstream much better aligned, since upstream uses `Unit_info.t` in this way. (Some of the changes here are just copied from upstream, in fact.) There's a bit of awkwardness in that we often need to use dummy unit info because (unlike upstream) our typechecker can't run without a current `Compilation_unit.t` set.
voodoos
reviewed
Apr 24, 2025
riaqn
approved these changes
May 29, 2025
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Someone else should check alignment with upstream. |
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@voodoos You’re probably best poised to check about upstream alignment — do you think this achieves that goal? |
…d-kind-in-unit-info
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I don't understand why there is a constraint with upstream alignment. |
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No constraint. But my understanding is that the goal of this PR is to increase upstream alignment, and so we may want to check that we've done so. If we can't do that today, then I think we can skip that step. |
voodoos
reviewed
May 30, 2025
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Cleans up some of the awkwardness around
Compilation_unit.tandUnit_info.t, the later of which was recently introduced upstream. This PR is meant to take on a slice of what #3828 is doing (and as such it's admittedly a little scattered).Specifically:
kindfield toUnit_info.tto track whether the unit is an interface or implementation (aiming toward pulling in [tooling] Distinct uids for interfaces ocaml/ocaml#13286)Compilation_unit.tin place ofmodnameinUnit_info.t(see this comment for rationale and alternatives)Unit_info.trather than aCompilation_unit.t, with theEnvandShapeAPIs changing accordingly (again this helps with [tooling] Distinct uids for interfaces ocaml/ocaml#13286).Meant to be reviewed commit by commit.