codekingpro/portable-devtools

1" Elm indent plugin file2" Language: Elm3" Maintainer: Andreas Scharf <as@99n.de>4" Original Author: Joseph Hager <ajhager@gmail.com>5" Copyright: Joseph Hager <ajhager@gmail.com>6" License: BSD37" Latest Revision: 2021-09-298 9" Only load this indent file when no other was loaded.10if exists('b:did_indent')11	finish12endif13let b:did_indent = 114 15" Local defaults16setlocal expandtab17setlocal indentexpr=GetElmIndent()18setlocal indentkeys+=0=else,0=if,0=of,0=import,0=then,0=type,0\|,0},0\],0),=-},0=in19setlocal nolisp20setlocal nosmartindent21 22let b:undo_indent = "setl et< inde< indk< lisp< si<"23 24" Only define the function once.25if exists('*GetElmIndent')26	finish27endif28 29" Indent pairs30function! s:FindPair(pstart, pmid, pend)31	"call search(a:pend, 'bW')32	return indent(searchpair(a:pstart, a:pmid, a:pend, 'bWn', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string\\|comment"'))33endfunction34 35function! GetElmIndent()36	let l:lnum = v:lnum - 137 38	" Ident 0 if the first line of the file:39	if l:lnum == 040		return 041	endif42 43	let l:ind = indent(l:lnum)44	let l:lline = getline(l:lnum)45	let l:line = getline(v:lnum)46 47	" Indent if current line begins with '}':48	if l:line =~? '^\s*}'49		return s:FindPair('{', '', '}')50 51	" Indent if current line begins with 'else':52	elseif l:line =~# '^\s*else\>'53		if l:lline !~# '^\s*\(if\|then\)\>'54			return s:FindPair('\<if\>', '', '\<else\>')55		endif56 57	" Indent if current line begins with 'then':58	elseif l:line =~# '^\s*then\>'59		if l:lline !~# '^\s*\(if\|else\)\>'60			return s:FindPair('\<if\>', '', '\<then\>')61		endif62 63	" HACK: Indent lines in case with nearest case clause:64	elseif l:line =~# '->' && l:line !~# ':' && l:line !~# '\\'65		return indent(search('^\s*case', 'bWn')) + &shiftwidth66 67	" HACK: Don't change the indentation if the last line is a comment.68	elseif l:lline =~# '^\s*--'69		return l:ind70 71	" Align the end of block comments with the start72	elseif l:line =~# '^\s*-}'73		return indent(search('{-', 'bWn'))74 75	" Indent double shift after let with an empty rhs76	elseif l:lline =~# '\<let\>.*\s=$'77		return l:ind + 4 + &shiftwidth78 79	" Align 'in' with the parent let.80	elseif l:line =~# '^\s*in\>'81		return indent(search('^\s*let', 'bWn'))82 83	" Align bindings with the parent let.84	elseif l:lline =~# '\<let\>'85		return l:ind + 486 87	" Align bindings with the parent in.88	elseif l:lline =~# '^\s*in\>'89		return l:ind90 91	endif92 93	" Add a 'shiftwidth' after lines ending with:94	if l:lline =~# '\(|\|=\|->\|<-\|(\|\[\|{\|\<\(of\|else\|if\|then\)\)\s*$'95		let l:ind = l:ind + &shiftwidth96 97	" Add a 'shiftwidth' after lines starting with type ending with '=':98	elseif l:lline =~# '^\s*type' && l:line =~# '^\s*='99		let l:ind = l:ind + &shiftwidth100 101	" Back to normal indent after comments:102	elseif l:lline =~# '-}\s*$'103		call search('-}', 'bW')104		let l:ind = indent(searchpair('{-', '', '-}', 'bWn', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string"'))105 106	" Ident some operators if there aren't any starting the last line.107	elseif l:line =~# '^\s*\(!\|&\|(\|`\|+\||\|{\|[\|,\)=' && l:lline !~# '^\s*\(!\|&\|(\|`\|+\||\|{\|[\|,\)=' && l:lline !~# '^\s*$'108		let l:ind = l:ind + &shiftwidth109 110	elseif l:lline ==# '' && getline(l:lnum - 1) !=# ''111		let l:ind = indent(search('^\s*\S+', 'bWn'))112 113	endif114 115	return l:ind116endfunc117