/usr/share/vim/vim74/compiler/mcs.vim is in vim-runtime 2:7.4.052-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | " Vim compiler file
" Compiler: Mono C# Compiler
" Maintainer: Jarek Sobiecki <harijari@go2.pl>
" Last Updated By: Peter Collingbourne
" Latest Revision: 2012 Jul 19
if exists("current_compiler")
finish
endif
let current_compiler = "mcs"
let s:cpo_save = &cpo
set cpo-=C
setlocal errorformat=
\%D%.%#Project\ \"%f/%[%^/\"]%#\"%.%#,
\%X%.%#Done\ building\ project\ \"%f/%[%^/\"]%#\"%.%#,
\%-G%\\s%.%#,
\%E%f(%l):\ error\ CS%n:%m,
\%W%f(%l):\ warning\ CS%n:%m,
\%E%f(%l\\,%c):\ error\ CS%n:%m,
\%W%f(%l\\,%c):\ warning\ CS%n:%m,
\%E%>syntax\ error\\,%m,%Z%f(%l\\,%c):\ error\ CS%n:%m,
\%D%*\\a[%*\\d]:\ Entering\ directory\ `%f',
\%X%*\\a[%*\\d]:\ Leaving\ directory\ `%f',
\%DMaking\ %*\\a\ in\ %f,
\%-G%.%#
let &cpo = s:cpo_save
unlet s:cpo_save
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