86 lines
2.7 KiB
VimL
86 lines
2.7 KiB
VimL
" Vim indent file
|
|
" Language: fish
|
|
" Maintainer: Nicholas Boyle (github.com/nickeb96)
|
|
" Repository: https://github.com/nickeb96/fish.vim
|
|
" Last Change: February 4, 2023
|
|
" 2023 Aug 28 by Vim Project (undo_indent)
|
|
|
|
if exists("b:did_indent")
|
|
finish
|
|
endif
|
|
let b:did_indent = 1
|
|
|
|
setlocal indentexpr=GetFishIndent(v:lnum)
|
|
setlocal indentkeys+==end,=else,=case
|
|
|
|
let b:undo_indent = "setlocal indentexpr< indentkeys<"
|
|
|
|
function s:PrevCmdStart(linenum)
|
|
let l:linenum = a:linenum
|
|
" look for the first line that isn't a line continuation
|
|
while l:linenum > 1 && getline(l:linenum - 1) =~# '\\$'
|
|
let l:linenum = l:linenum - 1
|
|
endwhile
|
|
return l:linenum
|
|
endfunction
|
|
|
|
function GetFishIndent(lnum)
|
|
let l:shiftwidth = shiftwidth()
|
|
|
|
let l:prevlnum = prevnonblank(a:lnum - 1)
|
|
if l:prevlnum ==# 0
|
|
return 0
|
|
endif
|
|
|
|
" if the previous line ended with a line continuation
|
|
if getline(a:lnum - 1) =~# '\\$'
|
|
if a:lnum ==# 0 || getline(a:lnum - 2) !~# '\\$'
|
|
" this is the first line continuation in a chain, so indent it
|
|
return indent(a:lnum - 1) + l:shiftwidth
|
|
else
|
|
" use the same indentation as the previous continued line
|
|
return indent(a:lnum - 1)
|
|
endif
|
|
endif
|
|
|
|
let l:prevlnum = s:PrevCmdStart(l:prevlnum)
|
|
|
|
let l:prevline = getline(l:prevlnum)
|
|
if l:prevline =~# '^\s*\(begin\|if\|else\|while\|for\|function\|case\|switch\)\>'
|
|
let l:indent = l:shiftwidth
|
|
else
|
|
let l:indent = 0
|
|
endif
|
|
|
|
let l:line = getline(a:lnum)
|
|
if l:line =~# '^\s*end\>'
|
|
" find end's matching start
|
|
let l:depth = 1
|
|
let l:currentlnum = a:lnum
|
|
while l:depth > 0 && l:currentlnum > 0
|
|
let l:currentlnum = s:PrevCmdStart(prevnonblank(l:currentlnum - 1))
|
|
let l:currentline = getline(l:currentlnum)
|
|
if l:currentline =~# '^\s*end\>'
|
|
let l:depth = l:depth + 1
|
|
elseif l:currentline =~# '^\s*\(begin\|if\|while\|for\|function\|switch\)\>'
|
|
let l:depth = l:depth - 1
|
|
endif
|
|
endwhile
|
|
if l:currentline =~# '^\s*switch\>'
|
|
return indent(l:currentlnum)
|
|
else
|
|
return indent(l:prevlnum) + l:indent - l:shiftwidth
|
|
endif
|
|
elseif l:line =~# '^\s*else\>'
|
|
return indent(l:prevlnum) + l:indent - l:shiftwidth
|
|
elseif l:line =~# '^\s*case\>'
|
|
if getline(l:prevlnum) =~# '^\s*switch\>'
|
|
return indent(l:prevlnum) + l:indent
|
|
else
|
|
return indent(l:prevlnum) + l:indent - l:shiftwidth
|
|
endif
|
|
else
|
|
return indent(l:prevlnum) + l:indent
|
|
endif
|
|
endfunction
|