[Git][ghc/ghc][wip/or-pats] Implement Or Patterns (#22596)
Sebastian Graf (@sgraf812)
gitlab at gitlab.haskell.org
Mon May 27 07:34:11 UTC 2024
Sebastian Graf pushed to branch wip/or-pats at Glasgow Haskell Compiler / GHC
Commits:
bf71bc7b by David Knothe at 2024-05-27T09:34:05+02:00
Implement Or Patterns (#22596)
This commit introduces a new language extension, `-XOrPatterns`, as described in
GHC Proposal 522.
An or-pattern `pat1; ...; patk` succeeds iff one of the patterns `pat1`, ...,
`patk` succeed, in this order.
See also the summary `Note [Implmentation of OrPatterns]`.
Co-Authored-By: Sebastian Graf <sgraf1337 at gmail.com>
- - - - -
30 changed files:
- compiler/GHC/Builtin/Names/TH.hs
- compiler/GHC/Driver/Flags.hs
- compiler/GHC/Hs/Pat.hs
- compiler/GHC/Hs/Syn/Type.hs
- compiler/GHC/Hs/Utils.hs
- compiler/GHC/HsToCore/Expr.hs
- compiler/GHC/HsToCore/ListComp.hs
- compiler/GHC/HsToCore/Match.hs
- compiler/GHC/HsToCore/Pmc/Check.hs
- compiler/GHC/HsToCore/Pmc/Desugar.hs
- compiler/GHC/HsToCore/Pmc/Types.hs
- compiler/GHC/HsToCore/Quote.hs
- compiler/GHC/HsToCore/Utils.hs
- compiler/GHC/Iface/Ext/Ast.hs
- compiler/GHC/Parser.y
- compiler/GHC/Parser/Errors/Ppr.hs
- compiler/GHC/Parser/Errors/Types.hs
- compiler/GHC/Parser/Lexer.x
- compiler/GHC/Parser/PostProcess.hs
- compiler/GHC/Rename/Bind.hs
- compiler/GHC/Rename/Expr.hs
- compiler/GHC/Rename/Pat.hs
- compiler/GHC/Tc/Errors/Ppr.hs
- compiler/GHC/Tc/Errors/Types.hs
- compiler/GHC/Tc/Gen/Pat.hs
- compiler/GHC/Tc/TyCl/PatSyn.hs
- compiler/GHC/Tc/Zonk/Type.hs
- compiler/GHC/ThToHs.hs
- compiler/GHC/Types/Error/Codes.hs
- compiler/GHC/Utils/Outputable.hs
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/bf71bc7b3334c7f752e5e39f333b5226a97dece6
--
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/bf71bc7b3334c7f752e5e39f333b5226a97dece6
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