mirror of
https://github.com/neovim/neovim.git
synced 2024-12-29 14:41:06 -07:00
66c384d4e8
vim-patch:partial:dd60c365cd26
Update runtime files
dd60c365cd
Co-authored-by: Bram Moolenaar <Bram@vim.org>
Skip: eval.txt, repeat.txt (needs `getscriptinfo()`)
250 lines
7.7 KiB
VimL
250 lines
7.7 KiB
VimL
" Support for Python indenting, see runtime/indent/python.vim
|
|
|
|
let s:keepcpo= &cpo
|
|
set cpo&vim
|
|
|
|
" need to inspect some old g:pyindent_* variables to be backward compatible
|
|
let g:python_indent = extend(get(g:, 'python_indent', {}), #{
|
|
\ closed_paren_align_last_line: v:true,
|
|
\ open_paren: get(g:, 'pyindent_open_paren', 'shiftwidth() * 2'),
|
|
\ nested_paren: get(g:, 'pyindent_nested_paren', 'shiftwidth()'),
|
|
\ continue: get(g:, 'pyindent_continue', 'shiftwidth() * 2'),
|
|
"\ searchpair() can be slow, limit the time to 150 msec or what is put in
|
|
"\ g:python_indent.searchpair_timeout
|
|
\ searchpair_timeout: get(g:, 'pyindent_searchpair_timeout', 150),
|
|
"\ Identing inside parentheses can be very slow, regardless of the searchpair()
|
|
"\ timeout, so let the user disable this feature if he doesn't need it
|
|
\ disable_parentheses_indenting: get(g:, 'pyindent_disable_parentheses_indenting', v:false),
|
|
\ }, 'keep')
|
|
|
|
let s:maxoff = 50 " maximum number of lines to look backwards for ()
|
|
|
|
function s:SearchBracket(fromlnum, flags)
|
|
return searchpairpos('[[({]', '', '[])}]', a:flags,
|
|
\ {-> synstack('.', col('.'))
|
|
\ ->indexof({_, id -> synIDattr(id, 'name') =~ '\%(Comment\|Todo\|String\)$'}) >= 0},
|
|
\ [0, a:fromlnum - s:maxoff]->max(), g:python_indent.searchpair_timeout)
|
|
endfunction
|
|
|
|
" See if the specified line is already user-dedented from the expected value.
|
|
function s:Dedented(lnum, expected)
|
|
return indent(a:lnum) <= a:expected - shiftwidth()
|
|
endfunction
|
|
|
|
" Some other filetypes which embed Python have slightly different indent
|
|
" rules (e.g. bitbake). Those filetypes can pass an extra funcref to this
|
|
" function which is evaluated below.
|
|
function python#GetIndent(lnum, ...)
|
|
let ExtraFunc = a:0 > 0 ? a:1 : 0
|
|
|
|
" If this line is explicitly joined: If the previous line was also joined,
|
|
" line it up with that one, otherwise add two 'shiftwidth'
|
|
if getline(a:lnum - 1) =~ '\\$'
|
|
if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$'
|
|
return indent(a:lnum - 1)
|
|
endif
|
|
return indent(a:lnum - 1) + get(g:, 'pyindent_continue', g:python_indent.continue)->eval()
|
|
endif
|
|
|
|
" If the start of the line is in a string don't change the indent.
|
|
if has('syntax_items')
|
|
\ && synIDattr(synID(a:lnum, 1, 1), "name") =~ "String$"
|
|
return -1
|
|
endif
|
|
|
|
" Search backwards for the previous non-empty line.
|
|
let plnum = prevnonblank(v:lnum - 1)
|
|
|
|
if plnum == 0
|
|
" This is the first non-empty line, use zero indent.
|
|
return 0
|
|
endif
|
|
|
|
if g:python_indent.disable_parentheses_indenting == 1
|
|
let plindent = indent(plnum)
|
|
let plnumstart = plnum
|
|
else
|
|
" Indent inside parens.
|
|
" Align with the open paren unless it is at the end of the line.
|
|
" E.g.
|
|
" open_paren_not_at_EOL(100,
|
|
" (200,
|
|
" 300),
|
|
" 400)
|
|
" open_paren_at_EOL(
|
|
" 100, 200, 300, 400)
|
|
call cursor(a:lnum, 1)
|
|
let [parlnum, parcol] = s:SearchBracket(a:lnum, 'nbW')
|
|
if parlnum > 0
|
|
if parcol != col([parlnum, '$']) - 1
|
|
return parcol
|
|
elseif getline(a:lnum) =~ '^\s*[])}]' && !g:python_indent.closed_paren_align_last_line
|
|
return indent(parlnum)
|
|
endif
|
|
endif
|
|
|
|
call cursor(plnum, 1)
|
|
|
|
" If the previous line is inside parenthesis, use the indent of the starting
|
|
" line.
|
|
let [parlnum, _] = s:SearchBracket(plnum, 'nbW')
|
|
if parlnum > 0
|
|
if a:0 > 0 && ExtraFunc(parlnum)
|
|
" We may have found the opening brace of a bitbake Python task, e.g. 'python do_task {'
|
|
" If so, ignore it here - it will be handled later.
|
|
let parlnum = 0
|
|
let plindent = indent(plnum)
|
|
let plnumstart = plnum
|
|
else
|
|
let plindent = indent(parlnum)
|
|
let plnumstart = parlnum
|
|
endif
|
|
else
|
|
let plindent = indent(plnum)
|
|
let plnumstart = plnum
|
|
endif
|
|
|
|
" When inside parenthesis: If at the first line below the parenthesis add
|
|
" two 'shiftwidth', otherwise same as previous line.
|
|
" i = (a
|
|
" + b
|
|
" + c)
|
|
call cursor(a:lnum, 1)
|
|
let [p, _] = s:SearchBracket(a:lnum, 'bW')
|
|
if p > 0
|
|
if a:0 > 0 && ExtraFunc(p)
|
|
" Currently only used by bitbake
|
|
" Handle first non-empty line inside a bitbake Python task
|
|
if p == plnum
|
|
return shiftwidth()
|
|
endif
|
|
|
|
" Handle the user actually trying to close a bitbake Python task
|
|
let line = getline(a:lnum)
|
|
if line =~ '^\s*}'
|
|
return -2
|
|
endif
|
|
|
|
" Otherwise ignore the brace
|
|
let p = 0
|
|
else
|
|
if p == plnum
|
|
" When the start is inside parenthesis, only indent one 'shiftwidth'.
|
|
let [pp, _] = s:SearchBracket(a:lnum, 'bW')
|
|
if pp > 0
|
|
return indent(plnum)
|
|
\ + get(g:, 'pyindent_nested_paren', g:python_indent.nested_paren)->eval()
|
|
endif
|
|
return indent(plnum)
|
|
\ + get(g:, 'pyindent_open_paren', g:python_indent.open_paren)->eval()
|
|
endif
|
|
if plnumstart == p
|
|
return indent(plnum)
|
|
endif
|
|
return plindent
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
|
|
" Get the line and remove a trailing comment.
|
|
" Use syntax highlighting attributes when possible.
|
|
let pline = getline(plnum)
|
|
let pline_len = strlen(pline)
|
|
if has('syntax_items')
|
|
" If the last character in the line is a comment, do a binary search for
|
|
" the start of the comment. synID() is slow, a linear search would take
|
|
" too long on a long line.
|
|
if synstack(plnum, pline_len)
|
|
\ ->indexof({_, id -> synIDattr(id, 'name') =~ '\%(Comment\|Todo\)$'}) >= 0
|
|
let min = 1
|
|
let max = pline_len
|
|
while min < max
|
|
let col = (min + max) / 2
|
|
if synstack(plnum, col)
|
|
\ ->indexof({_, id -> synIDattr(id, 'name') =~ '\%(Comment\|Todo\)$'}) >= 0
|
|
let max = col
|
|
else
|
|
let min = col + 1
|
|
endif
|
|
endwhile
|
|
let pline = strpart(pline, 0, min - 1)
|
|
endif
|
|
else
|
|
let col = 0
|
|
while col < pline_len
|
|
if pline[col] == '#'
|
|
let pline = strpart(pline, 0, col)
|
|
break
|
|
endif
|
|
let col = col + 1
|
|
endwhile
|
|
endif
|
|
|
|
" If the previous line ended with a colon, indent this line
|
|
if pline =~ ':\s*$'
|
|
return plindent + shiftwidth()
|
|
endif
|
|
|
|
" If the previous line was a stop-execution statement...
|
|
if getline(plnum) =~ '^\s*\(break\|continue\|raise\|return\|pass\)\>'
|
|
" See if the user has already dedented
|
|
if s:Dedented(a:lnum, indent(plnum))
|
|
" If so, trust the user
|
|
return -1
|
|
endif
|
|
" If not, recommend one dedent
|
|
return indent(plnum) - shiftwidth()
|
|
endif
|
|
|
|
" If the current line begins with a keyword that lines up with "try"
|
|
if getline(a:lnum) =~ '^\s*\(except\|finally\)\>'
|
|
let lnum = a:lnum - 1
|
|
while lnum >= 1
|
|
if getline(lnum) =~ '^\s*\(try\|except\)\>'
|
|
let ind = indent(lnum)
|
|
if ind >= indent(a:lnum)
|
|
return -1 " indent is already less than this
|
|
endif
|
|
return ind " line up with previous try or except
|
|
endif
|
|
let lnum = lnum - 1
|
|
endwhile
|
|
return -1 " no matching "try"!
|
|
endif
|
|
|
|
" If the current line begins with a header keyword, dedent
|
|
if getline(a:lnum) =~ '^\s*\(elif\|else\)\>'
|
|
|
|
" Unless the previous line was a one-liner
|
|
if getline(plnumstart) =~ '^\s*\(for\|if\|elif\|try\)\>'
|
|
return plindent
|
|
endif
|
|
|
|
" Or the user has already dedented
|
|
if s:Dedented(a:lnum, plindent)
|
|
return -1
|
|
endif
|
|
|
|
return plindent - shiftwidth()
|
|
endif
|
|
|
|
" When after a () construct we probably want to go back to the start line.
|
|
" a = (b
|
|
" + c)
|
|
" here
|
|
if parlnum > 0
|
|
" ...unless the user has already dedented
|
|
if s:Dedented(a:lnum, plindent)
|
|
return -1
|
|
else
|
|
return plindent
|
|
endif
|
|
endif
|
|
|
|
return -1
|
|
endfunction
|
|
|
|
let &cpo = s:keepcpo
|
|
unlet s:keepcpo
|