[Git][ghc/ghc][wip/sand-witch/invis-pats-change-ast] Change how invisible patterns represented in haskell syntax and TH AST (#24557)

[Andrei Borzenkov (@sand-witch)]

Andrei Borzenkov pushed to branch wip/sand-witch/invis-pats-change-ast at Glasgow Haskell Compiler / GHC


Commits:
349f83e7 by Andrei Borzenkov at 2024-04-01T20:36:51+04:00
Change how invisible patterns represented in  haskell syntax and TH AST (#24557)

Before this patch:
  data ArgPat p
    = InvisPat (LHsType p)
    | VisPat (LPat p)

With this patch:
  data Pat p
    = ...
    | InvisPat (LHsType p)
    ...

And the same transformation in the TH land. The rest of the
changes is just updating code to handle new AST and writing tests
to check if it is possible to create invalid states using TH.

Metric Increase:
    MultiLayerModulesTH_OneShot

- - - - -


30 changed files:

- compiler/GHC/Builtin/Names/TH.hs
- compiler/GHC/Hs/Expr.hs
- compiler/GHC/Hs/Instances.hs
- compiler/GHC/Hs/Pat.hs
- compiler/GHC/Hs/Syn/Type.hs
- compiler/GHC/Hs/Utils.hs
- compiler/GHC/HsToCore/Arrows.hs
- compiler/GHC/HsToCore/Expr.hs
- compiler/GHC/HsToCore/Match.hs
- compiler/GHC/HsToCore/Pmc/Desugar.hs
- compiler/GHC/HsToCore/Quote.hs
- compiler/GHC/HsToCore/Ticks.hs
- compiler/GHC/HsToCore/Utils.hs
- compiler/GHC/Iface/Ext/Ast.hs
- compiler/GHC/Parser.y
- compiler/GHC/Parser/PostProcess.hs
- compiler/GHC/Rename/Bind.hs
- compiler/GHC/Rename/Expr.hs
- compiler/GHC/Rename/HsType.hs
- compiler/GHC/Rename/Pat.hs
- compiler/GHC/Rename/Utils.hs
- compiler/GHC/Tc/Deriv/Functor.hs
- compiler/GHC/Tc/Deriv/Generate.hs
- compiler/GHC/Tc/Errors/Ppr.hs
- compiler/GHC/Tc/Errors/Types.hs
- compiler/GHC/Tc/Gen/App.hs
- compiler/GHC/Tc/Gen/Do.hs
- compiler/GHC/Tc/Gen/Pat.hs
- compiler/GHC/Tc/TyCl/PatSyn.hs
- compiler/GHC/Tc/Zonk/Type.hs


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/349f83e7989acfe19cc485fe80677ce1d94ad5b0

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/349f83e7989acfe19cc485fe80677ce1d94ad5b0
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