Re: [GHC] #15495: Handling Source Locations via TTG

#15495: Handling Source Locations via TTG -------------------------------------+------------------------------------- Reporter: Shayan-Najd | Owner: (none) Type: task | Status: new Priority: normal | Milestone: ⊥ Component: Compiler | Version: Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D5036 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Alan Zimmerman ): In [changeset:"509d5be69c7507ba5d0a5f39ffd1613a59e73eea/ghc" 509d5be6/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="509d5be69c7507ba5d0a5f39ffd1613a59e73eea" [TTG: Handling Source Locations] Foundation and Pat This patch removes the ping-pong style from HsPat (only, for now), using the plan laid out at https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow/HandlingSour... (solution A). - the class `HasSrcSpan`, and its functions (e.g., `cL` and `dL`), are introduced - some instances of `HasSrcSpan` are introduced - some constructors `L` are replaced with `cL` - some patterns `L` are replaced with `dL->L` view pattern - some type annotation are necessarily updated (e.g., `Pat p` --> `Pat (GhcPass p)`) Phab diff: D5036 Trac Issues #15495 Updates haddock submodule }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15495#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler