runtime(compiler): add compiler plugin for cabal

closes: #19152

Signed-off-by: Mateo Gjika <104777599+mateoxh@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

.github/MAINTAINERS

@@ -48,6 +48,7 @@ runtime/colors/wildcharm.vim				@habamax @romainl @neutaaaaan
 runtime/colors/zaibatsu.vim				@habamax @romainl @neutaaaaan
 runtime/colors/zellner.vim				@habamax @romainl @neutaaaaan
 runtime/compiler/biome.vim				@Konfekt
+runtime/compiler/cabal.vim				@mateoxh
 runtime/compiler/checkstyle.vim				@dkearns
 runtime/compiler/cm3.vim				@dkearns
 runtime/compiler/context.vim				@lifepillar

runtime/compiler/cabal.vim

@@ -0,0 +1,39 @@
+" Vim compiler file
+" Compiler: Haskell Cabal Build file
+" Maintainer: Mateo Gjika <@mateoxh>
+
+if exists('current_compiler')
+  finish
+endif
+
+let current_compiler = 'cabal'
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+CompilerSet makeprg=cabal\ build
+
+CompilerSet errorformat=
+      \%W%f:(%l\\,%c)-(%e\\,%k):\ %tarning:\ [%.%#],
+      \%W%f:(%l\\,%c)-(%e\\,%k):\ %tarning:%m,
+      \%W%f:(%l\\,%c)-(%e\\,%k):\ %tarning:,
+      \%W%f:%l:%c-%k:\ %tarning:\ [%.%#],
+      \%W%f:%l:%c-%k:\ %tarning:%m,
+      \%W%f:%l:%c-%k:\ %tarning:,
+      \%W%f:%l:%c:\ %tarning:\ [%.%#],
+      \%W%f:%l:%c:\ %tarning:%m,
+      \%W%f:%l:%c:\ %tarning:,
+      \%E%f:(%l\\,%c)-(%e\\,%k):\ %trror:\ [%.%#],
+      \%E%f:(%l\\,%c)-(%e\\,%k):\ %trror:%m,
+      \%E%f:(%l\\,%c)-(%e\\,%k):\ %trror:,
+      \%E%f:%l:%c-%k:\ %trror:\ [%.%#],
+      \%E%f:%l:%c-%k:\ %trror:%m,
+      \%E%f:%l:%c-%k:\ %trror:,
+      \%E%f:%l:%c:\ %trror:\ [%.%#],
+      \%E%f:%l:%c:\ %trror:%m,
+      \%E%f:%l:%c:\ %trror:,
+      \%Z\ %\\+\|%.%#,
+      \%C%m
+
+let &cpo = s:save_cpo
+unlet s:save_cpo

runtime/ftplugin/cabal.vim

@@ -2,12 +2,17 @@
 " Language:	Haskell Cabal Build file
 " Maintainer:	Riley Bruins <ribru17@gmail.com>
 " Last Change:	2024 Jul 06
+" 2026 Jan 13 by Vim project: set compiler #19152
 
 if exists('b:did_ftplugin')
   finish
 endif
 let b:did_ftplugin = 1
 
+compiler cabal
+
+let b:undo_ftplugin = 'compiler make'
+
 setl comments=:-- commentstring=--\ %s
 
-let b:undo_ftplugin = 'setl com< cms<'
+let b:undo_ftplugin .= '| setl com< cms<'