[Git][ghc/ghc][wip/romes/ttg-zurich] 4 commits: ttg: extract Specificity, ForAllTyFlag and helper functions from GHC.Types.Var

[Rodrigo Mesquita (@alt-romes)]

Rodrigo Mesquita pushed to branch wip/romes/ttg-zurich at Glasgow Haskell Compiler / GHC


Commits:
1b781d60 by Fabian Kirchner at 2024-06-09T19:06:53+02:00
ttg: extract Specificity, ForAllTyFlag and helper functions from GHC.Types.Var

Progress towards #21592

Specificity, ForAllTyFlag and its' helper functions are extracted from
GHC.Types.Var and moved into a new module Language.Haskell.Syntax.Specificity.

Note: Eventually (i.e. after Language.Haskell.Syntax.Decls does not depend on
GHC.* anymore) these should be moved into Language.Haskell.Syntax.Decls.
At this point, this would cause cyclic dependencies.

- - - - -
f3df7507 by Fabian Kirchner at 2024-06-09T19:06:57+02:00
ttg: Move some AST types into Language.Haskell.Syntax.Basic

In particular, we move:
* TopLevelFlag
* TypeOrData
* TyConFlavour

Progress towards #21592

- - - - -
73a4f29b by Adowrath at 2024-06-09T19:07:13+02:00
ttg: Split HsSrcBang, remove ref to DataCon from Syntax.Type

Progress towards #21592

This splits HsSrcBang up, creating the new HsBang within
`Language.Haskell.Syntax.Basic`. `HsBang` holds the unpackedness
and strictness information, while `HsSrcBang` only adds the SourceText
for usage within the compiler directly.

Inside the AST, to preserve the SourceText, it is hidden behind the
pre-existing extension point `XBindTy`. All other occurrences of
`HsSrcBang` were adapted to deconstruct the inner `HsBang`, and when
interacting with the `BindTy` constructor, the hidden `SourceText` is
extracted/inserted into the `XBindTy` extension point.

`GHC.Core.DataCon` exports both `HsSrcBang` and `HsBang` for
convenience. A constructor function `mkHsSrcBang` that takes all
individual components has been added.

Two exceptions has been made though:
- The `Outputable HsSrcBang` instance is replaced by
  `Outputable HsBang`. While being only GHC-internal, the only place
  it's used is in outputting `HsBangTy` constructors -- which already
  have `HsBang`. It wouldn't make sense to reconstruct a `HsSrcBang` just
  to ignore the `SourceText` anyway.
- The error `TcRnUnexpectedAnnotation` did not use the `SourceText`,
  so it too now only holds a `HsBang`.

- - - - -
f0de696f by Mauricio at 2024-06-09T19:15:00+02:00
AST: Moved definitions that use GHC.Utils.Panic to GHC namespace

Progress towards #21592

- - - - -


30 changed files:

- compiler/GHC/Builtin/Types.hs
- compiler/GHC/Core/DataCon.hs
- compiler/GHC/Core/TyCo/Rep.hs-boot
- compiler/GHC/CoreToIface.hs
- compiler/GHC/Hs/Lit.hs
- compiler/GHC/Hs/Type.hs
- compiler/GHC/HsToCore/Quote.hs
- compiler/GHC/IfaceToCore.hs
- compiler/GHC/Parser/PostProcess.hs
- compiler/GHC/Rename/Module.hs
- compiler/GHC/Tc/Deriv/Generics.hs
- compiler/GHC/Tc/Errors/Ppr.hs
- compiler/GHC/Tc/Errors/Types.hs
- compiler/GHC/Tc/Gen/Splice.hs
- compiler/GHC/Tc/TyCl.hs
- compiler/GHC/Tc/TyCl/Build.hs
- compiler/GHC/ThToHs.hs
- compiler/GHC/Types/Basic.hs
- compiler/GHC/Types/Id/Make.hs
- compiler/GHC/Types/Var.hs
- compiler/GHC/Types/Var.hs-boot
- compiler/Language/Haskell/Syntax/Basic.hs
- compiler/Language/Haskell/Syntax/Decls.hs
- compiler/Language/Haskell/Syntax/Lit.hs
- + compiler/Language/Haskell/Syntax/Specificity.hs
- compiler/Language/Haskell/Syntax/Type.hs
- compiler/ghc.cabal.in
- utils/check-exact/ExactPrint.hs
- utils/haddock/haddock-api/src/Haddock/Backends/LaTeX.hs
- utils/haddock/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/0075a8b851ed08ec39456fe16387c75504fb2fdc...f0de696f3be8774ff0ee606c0d49964e09a7e426

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View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/0075a8b851ed08ec39456fe16387c75504fb2fdc...f0de696f3be8774ff0ee606c0d49964e09a7e426
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