Commit 5aa29231 authored by Committed by Ben Gamari
'DynFlag'-free version of 'mkParserFlags'
Obtaining a `DynFlags` is difficult, making using the lexer/parser for pure parsing/lexing unreasonably difficult, even with `mkPStatePure`. This is despite the fact that we only really need * language extension flags * warning flags * a handful of boolean options The new `mkParserFlags'` function makes is easier to directly construct a `ParserFlags`. Furthermore, since `pExtsBitmap` is just a footgun, I've gone ahead and made `ParserFlags` an abstract type. Reviewers: bgamari, alanz, sjakobi Reviewed By: bgamari, sjakobi Subscribers: mpickering, sjakobi, rwbarton, carter GHC Trac Issues: #11301 Differential Revision: https://phabricator.haskell.org/D5269
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