mirror of
https://github.com/neovim/neovim.git
synced 2024-12-24 13:15:09 -07:00
096cb572af
closes: vim/vim#15993
5ca8f223f0
Co-authored-by: Serhii Khoma <srghma@gmail.com>
Co-authored-by: Christian Clason <ch.clason+github@icloud.com>
184 lines
4.4 KiB
VimL
184 lines
4.4 KiB
VimL
" Vim indent file
|
|
" Language: Idris 2
|
|
" Maintainer: Idris Hackers (https://github.com/edwinb/idris2-vim), Serhii Khoma <srghma@gmail.com>
|
|
" Author: raichoo <raichoo@googlemail.com>
|
|
" Last Change: 2024 Nov 05
|
|
" License: Vim (see :h license)
|
|
" Repository: https://github.com/ShinKage/idris2-nvim
|
|
"
|
|
" indentation for idris (idris-lang.org)
|
|
"
|
|
" Based on haskell indentation by motemen <motemen@gmail.com>
|
|
"
|
|
" Indentation configuration variables:
|
|
"
|
|
" g:idris2_indent_if (default: 3)
|
|
" Controls indentation after 'if' statements
|
|
" Example:
|
|
" if condition
|
|
" >>>then expr
|
|
" >>>else expr
|
|
"
|
|
" g:idris2_indent_case (default: 5)
|
|
" Controls indentation of case expressions
|
|
" Example:
|
|
" case x of
|
|
" >>>>>Left y => ...
|
|
" >>>>>Right z => ...
|
|
"
|
|
" g:idris2_indent_let (default: 4)
|
|
" Controls indentation after 'let' bindings
|
|
" Example:
|
|
" let x = expr in
|
|
" >>>>body
|
|
"
|
|
" g:idris2_indent_rewrite (default: 8)
|
|
" Controls indentation after 'rewrite' expressions
|
|
" Example:
|
|
" rewrite proof in
|
|
" >>>>>>>>expr
|
|
"
|
|
" g:idris2_indent_where (default: 6)
|
|
" Controls indentation of 'where' blocks
|
|
" Example:
|
|
" function args
|
|
" >>>>>>where helper = expr
|
|
"
|
|
" g:idris2_indent_do (default: 3)
|
|
" Controls indentation in 'do' blocks
|
|
" Example:
|
|
" do x <- action
|
|
" >>>y <- action
|
|
"
|
|
" Example configuration in .vimrc:
|
|
" let g:idris2_indent_if = 2
|
|
|
|
if exists('b:did_indent')
|
|
finish
|
|
endif
|
|
|
|
setlocal indentexpr=GetIdrisIndent()
|
|
setlocal indentkeys=!^F,o,O,}
|
|
|
|
let b:did_indent = 1
|
|
let b:undo_indent = "setlocal indentexpr< indentkeys<"
|
|
|
|
" we want to use line continuations (\) BEGINNING
|
|
let s:cpo_save = &cpo
|
|
set cpo&vim
|
|
|
|
" Define defaults for indent configuration
|
|
let s:indent_defaults = {
|
|
\ 'idris2_indent_if': 3,
|
|
\ 'idris2_indent_case': 5,
|
|
\ 'idris2_indent_let': 4,
|
|
\ 'idris2_indent_rewrite': 8,
|
|
\ 'idris2_indent_where': 6,
|
|
\ 'idris2_indent_do': 3
|
|
\ }
|
|
|
|
" we want to use line continuations (\) END
|
|
let &cpo = s:cpo_save
|
|
unlet s:cpo_save
|
|
|
|
" Set up indent settings with user overrides
|
|
for [key, default] in items(s:indent_defaults)
|
|
let varname = 'g:' . key
|
|
if !exists(varname)
|
|
execute 'let' varname '=' default
|
|
endif
|
|
endfor
|
|
|
|
if exists("*GetIdrisIndent")
|
|
finish
|
|
endif
|
|
|
|
function! GetIdrisIndent()
|
|
let prevline = getline(v:lnum - 1)
|
|
|
|
if prevline =~ '\s\+(\s*.\+\s\+:\s\+.\+\s*)\s\+->\s*$'
|
|
return match(prevline, '(')
|
|
elseif prevline =~ '\s\+{\s*.\+\s\+:\s\+.\+\s*}\s\+->\s*$'
|
|
return match(prevline, '{')
|
|
endif
|
|
|
|
if prevline =~ '[!#$%&*+./<>?@\\^|~-]\s*$'
|
|
let s = match(prevline, '[:=]')
|
|
if s > 0
|
|
return s + 2
|
|
else
|
|
return match(prevline, '\S')
|
|
endif
|
|
endif
|
|
|
|
if prevline =~ '[{([][^})\]]\+$'
|
|
return match(prevline, '[{([]')
|
|
endif
|
|
|
|
if prevline =~ '\<let\>\s\+.\+\<in\>\s*$'
|
|
return match(prevline, '\<let\>') + g:idris2_indent_let
|
|
endif
|
|
|
|
if prevline =~ '\<rewrite\>\s\+.\+\<in\>\s*$'
|
|
return match(prevline, '\<rewrite\>') + g:idris2_indent_rewrite
|
|
endif
|
|
|
|
if prevline !~ '\<else\>'
|
|
let s = match(prevline, '\<if\>.*\&.*\zs\<then\>')
|
|
if s > 0
|
|
return s
|
|
endif
|
|
|
|
let s = match(prevline, '\<if\>')
|
|
if s > 0
|
|
return s + g:idris2_indent_if
|
|
endif
|
|
endif
|
|
|
|
if prevline =~ '\(\<where\>\|\<do\>\|=\|[{([]\)\s*$'
|
|
return match(prevline, '\S') + &shiftwidth
|
|
endif
|
|
|
|
if prevline =~ '\<where\>\s\+\S\+.*$'
|
|
return match(prevline, '\<where\>') + g:idris2_indent_where
|
|
endif
|
|
|
|
if prevline =~ '\<do\>\s\+\S\+.*$'
|
|
return match(prevline, '\<do\>') + g:idris2_indent_do
|
|
endif
|
|
|
|
if prevline =~ '^\s*\<\(co\)\?data\>\s\+[^=]\+\s\+=\s\+\S\+.*$'
|
|
return match(prevline, '=')
|
|
endif
|
|
|
|
if prevline =~ '\<with\>\s\+([^)]*)\s*$'
|
|
return match(prevline, '\S') + &shiftwidth
|
|
endif
|
|
|
|
if prevline =~ '\<case\>\s\+.\+\<of\>\s*$'
|
|
return match(prevline, '\<case\>') + g:idris2_indent_case
|
|
endif
|
|
|
|
if prevline =~ '^\s*\(\<namespace\>\|\<\(co\)\?data\>\)\s\+\S\+\s*$'
|
|
return match(prevline, '\(\<namespace\>\|\<\(co\)\?data\>\)') + &shiftwidth
|
|
endif
|
|
|
|
if prevline =~ '^\s*\(\<using\>\|\<parameters\>\)\s*([^(]*)\s*$'
|
|
return match(prevline, '\(\<using\>\|\<parameters\>\)') + &shiftwidth
|
|
endif
|
|
|
|
if prevline =~ '^\s*\<mutual\>\s*$'
|
|
return match(prevline, '\<mutual\>') + &shiftwidth
|
|
endif
|
|
|
|
let line = getline(v:lnum)
|
|
|
|
if (line =~ '^\s*}\s*' && prevline !~ '^\s*;')
|
|
return match(prevline, '\S') - &shiftwidth
|
|
endif
|
|
|
|
return match(prevline, '\S')
|
|
endfunction
|
|
|
|
" vim:et:sw=2:sts=2
|