let g:python_pep8_indent_multiline_string = 0
endif
+if !exists('g:python_pep8_indent_hang_closing')
+ let g:python_pep8_indent_hang_closing = 0
+endif
+
+" TODO: check required patch for timeout argument, likely lower than 7.3.429 though.
+if !exists('g:python_pep8_indent_searchpair_timeout')
+ if has('patch-8.0.1483')
+ let g:python_pep8_indent_searchpair_timeout = 150
+ else
+ let g:python_pep8_indent_searchpair_timeout = 0
+ endif
+endif
+
let s:block_rules = {
- \ '^\s*elif\>': ['if', 'elif'],
- \ '^\s*except\>': ['try', 'except'],
- \ '^\s*finally\>': ['try', 'except', 'else']
- \ }
+ \ '^\s*elif\>': [['if', 'elif'], ['else']],
+ \ '^\s*except\>': [['try', 'except'], []],
+ \ '^\s*finally\>': [['try', 'except', 'else'], []]
+ \ }
let s:block_rules_multiple = {
- \ '^\s*else\>': ['if', 'elif', 'for', 'try', 'except'],
- \ }
+ \ '^\s*else\>': [['if', 'elif', 'for', 'try', 'except'], []]
+ \ }
" Pairs to look for when searching for opening parenthesis.
" The value is the maximum offset in lines.
-let s:paren_pairs = {'()': 10, '[]': 100, '{}': 1000}
-
-" Maximum offset when looking for multiline statements (in round parenthesis).
-let s:maxoff_multiline_statement = 50
+let s:paren_pairs = {'()': 50, '[]': 100, '{}': 1000}
if &filetype ==# 'pyrex' || &filetype ==# 'cython'
let b:control_statement = '\v^\s*(class|def|if|while|with|for|except|cdef|cpdef)>'
endif
let s:stop_statement = '^\s*\(break\|continue\|raise\|return\|pass\)\>'
-" Skip strings and comments. Return 1 for chars to skip.
-" jedi* refers to syntax definitions from jedi-vim for call signatures, which
-" are inserted temporarily into the buffer.
-let s:skip_special_chars = 'synIDattr(synID(line("."), col("."), 0), "name") ' .
- \ '=~? "\\vstring|comment|jedi\\S"'
-
let s:skip_after_opening_paren = 'synIDattr(synID(line("."), col("."), 0), "name") ' .
\ '=~? "\\vcomment|jedi\\S"'
-" Also ignore anything concealed.
-" Wrapper around synconcealed for older Vim (7.3.429, used on Travis CI).
-function! s:is_concealed(line, col)
- let concealed = synconcealed(a:line, a:col)
- return len(concealed) && concealed[0]
-endfunction
-if has('conceal')
- let s:skip_special_chars .= '|| s:is_concealed(line("."), col("."))'
-endif
+let s:special_chars_syn_pattern = "\\vstring|comment|^pythonbytes%(contents)=$|pythonTodo|jedi\\S"
+if !get(g:, 'python_pep8_indent_skip_concealed', 0) || !has('conceal')
+ " Skip strings and comments. Return 1 for chars to skip.
+ " jedi* refers to syntax definitions from jedi-vim for call signatures, which
+ " are inserted temporarily into the buffer.
+ function! s:_skip_special_chars(line, col)
+ return synIDattr(synID(a:line, a:col, 0), 'name')
+ \ =~? s:special_chars_syn_pattern
+ endfunction
+else
+ " Also ignore anything concealed.
+ " TODO: doc; likely only necessary with jedi-vim, where a better version is
+ " planned (https://github.com/Vimjas/vim-python-pep8-indent/pull/98).
+
+ " Wrapper around synconcealed for older Vim (7.3.429, used on Travis CI).
+ function! s:is_concealed(line, col)
+ let concealed = synconcealed(a:line, a:col)
+ return len(concealed) && concealed[0]
+ endfunction
-let s:skip_search = 'synIDattr(synID(line("."), col("."), 0), "name") ' .
- \ '=~? "comment"'
+ function! s:_skip_special_chars(line, col)
+ return synIDattr(synID(a:line, a:col, 0), 'name')
+ \ =~? s:special_chars_syn_pattern
+ \ || s:is_concealed(a:line, a:col)
+ endfunction
+endif
" Use 'shiftwidth()' instead of '&sw'.
" (Since Vim patch 7.3.629, 'shiftwidth' can be set to 0 to follow 'tabstop').
endfunction
endif
-function! s:pair_sort(x, y)
- if a:x[0] == a:y[0]
- return a:x[1] == a:y[1] ? 0 : a:x[1] > a:y[1] ? 1 : -1
- else
- return a:x[0] > a:y[0] ? 1 : -1
- endif
-endfunction
-
" Find backwards the closest open parenthesis/bracket/brace.
-function! s:find_opening_paren(...)
- " optional arguments: line and column (defaults to 1) to search around
- if a:0 > 0
- let view = winsaveview()
- call cursor(a:1, a:0 > 1 ? a:2 : 1)
- let ret = s:find_opening_paren()
- call winrestview(view)
- return ret
+function! s:find_opening_paren(lnum, col)
+ " Return if cursor is in a comment.
+ if synIDattr(synID(a:lnum, a:col, 0), 'name') =~? 'comment'
+ return [0, 0]
endif
- " Return if cursor is in a comment.
- exe 'if' s:skip_search '| return [0, 0] | endif'
+ call cursor(a:lnum, a:col)
let nearest = [0, 0]
+ let timeout = g:python_pep8_indent_searchpair_timeout
+ let skip_special_chars = 's:_skip_special_chars(line("."), col("."))'
for [p, maxoff] in items(s:paren_pairs)
let stopline = max([0, line('.') - maxoff, nearest[0]])
let next = searchpairpos(
- \ '\V'.p[0], '', '\V'.p[1], 'bnW', s:skip_special_chars, stopline)
+ \ '\V'.p[0], '', '\V'.p[1], 'bnW', skip_special_chars, stopline, timeout)
if next[0] && (next[0] > nearest[0] || (next[0] == nearest[0] && next[1] > nearest[1]))
let nearest = next
endif
return nearest
endfunction
-" Find the start of a multi-line statement (based on surrounding parens).
+" Find the start of a multi-line statement
function! s:find_start_of_multiline_statement(lnum)
let lnum = a:lnum
while lnum > 0
- " XXX: not tested?!
if getline(lnum - 1) =~# '\\$'
let lnum = prevnonblank(lnum - 1)
else
- call cursor(lnum, 1)
- let stopline = max([1, lnum - s:maxoff_multiline_statement])
- let pos = searchpairpos('\V(', '', '\V)', 'bnW', s:skip_special_chars, stopline)
- if pos[0]
- return pos[0]
+ let [paren_lnum, _] = s:find_opening_paren(lnum, 1)
+ if paren_lnum < 1
+ return lnum
+ else
+ let lnum = paren_lnum
endif
- return lnum
endif
endwhile
endfunction
" Find possible indent(s) of the block starter that matches the current line.
-function! s:find_start_of_block(lnum, types, multiple)
+function! s:find_start_of_block(lnum, types, skip, multiple) abort
let r = []
- let types = copy(a:types)
let re = '\V\^\s\*\('.join(a:types, '\|').'\)\>'
- let lnum = a:lnum
- let last_indent = indent(lnum) + 1
+ if !empty(a:skip)
+ let re_skip = '\V\^\s\*\('.join(a:skip, '\|').'\)\>'
+ else
+ let re_skip = ''
+ endif
+ let last_indent = indent(a:lnum) + 1
+ let lnum = a:lnum - 1
while lnum > 0 && last_indent > 0
let indent = indent(lnum)
if indent < last_indent
- for type in types
- let re = '\v^\s*'.type.'>'
- if getline(lnum) =~# re
- if !a:multiple
- return [indent]
- endif
- if index(r, indent) == -1
- let r += [indent]
- endif
- " Remove any handled type, e.g. 'if'.
- call remove(types, index(types, type))
+ let line = getline(lnum)
+ if !empty(re_skip) && line =~# re_skip
+ let last_indent = indent
+ elseif line =~# re
+ if !a:multiple
+ return [indent]
endif
- endfor
- let last_indent = indent(lnum)
+ if index(r, indent) == -1
+ let r += [indent]
+ endif
+ let last_indent = indent
+ endif
endif
let lnum = prevnonblank(lnum - 1)
endwhile
" Line up with open parenthesis/bracket/brace.
function! s:indent_like_opening_paren(lnum)
- let [paren_lnum, paren_col] = s:find_opening_paren(a:lnum)
+ let [paren_lnum, paren_col] = s:find_opening_paren(a:lnum, 1)
if paren_lnum <= 0
return -2
endif
\ s:skip_after_opening_paren, paren_lnum, paren_col+1)
let starts_with_closing_paren = getline(a:lnum) =~# '^\s*[])}]'
+ let hang_closing = get(b:, 'python_pep8_indent_hang_closing',
+ \ get(g:, 'python_pep8_indent_hang_closing', 0))
+
if nothing_after_opening_paren
- if starts_with_closing_paren
+ if starts_with_closing_paren && !hang_closing
let res = base
else
let res = base + s:sw()
+
+ " Special case for parenthesis.
+ if text[paren_col-1] ==# '(' && getline(a:lnum) !~# '\v\)\s*:?\s*$'
+ return res
+ endif
endif
else
" Indent to match position of opening paren.
" indent further to distinguish the continuation line
" from the next logical line.
if text =~# b:control_statement && res == base + s:sw()
- return base + s:sw() * 2
- else
- return res
+ " But only if not inside parens itself (Flake's E127).
+ let [paren_lnum, _] = s:find_opening_paren(paren_lnum, 1)
+ if paren_lnum <= 0
+ return res + s:sw()
+ endif
endif
+ return res
endfunction
" Match indent of first block of this type.
let text = getline(a:lnum)
for [multiple, block_rules] in [
\ [0, s:block_rules],
- \ [1, s:block_rules_multiple]]
- for [line_re, blocks] in items(block_rules)
+ \ [1, s:block_rules_multiple],
+ \ ]
+ for [line_re, blocks_ignore] in items(block_rules)
if text !~# line_re
continue
endif
- let indents = s:find_start_of_block(a:lnum - 1, blocks, multiple)
- if !len(indents)
+ let [blocks, skip] = blocks_ignore
+ let indents = s:find_start_of_block(a:lnum, blocks, skip, multiple)
+ if empty(indents)
return -1
endif
if len(indents) == 1
let base = indent(start)
let current = indent(a:lnum)
- " Jump to last character in previous line.
- call cursor(lnum, len(text))
- let ignore_last_char = eval(s:skip_special_chars)
+ " Ignore last character in previous line?
+ let lastcol = len(text)
+ let col = lastcol
" Search for final colon that is not inside something to be ignored.
while 1
- let curpos = getpos('.')[2]
- if curpos == 1 | break | endif
- if eval(s:skip_special_chars) || text[curpos-1] =~# '\s'
- normal! h
+ if col == 1 | break | endif
+ if text[col-1] =~# '\s' || s:_skip_special_chars(lnum, col)
+ let col = col - 1
continue
- elseif text[curpos-1] ==# ':'
+ elseif text[col-1] ==# ':'
return base + s:sw()
endif
break
endwhile
- if text =~# '\\$' && !ignore_last_char
+ if text =~# '\\$' && !s:_skip_special_chars(lnum, lastcol)
" If this line is the continuation of a control statement
" indent further to distinguish the continuation line
" from the next logical line.
return -1
endif
- if !empty && s:is_dedented_already(current, base)
+ if (current || !empty) && s:is_dedented_already(current, base)
return -1
endif
" Is the syntax at lnum (and optionally cnum) a python string?
function! s:is_python_string(lnum, ...)
let line = getline(a:lnum)
- let linelen = len(line)
- if linelen < 1
- let linelen = 1
+ if a:0
+ let cols = type(a:1) != type([]) ? [a:1] : a:1
+ else
+ let cols = range(1, max([1, len(line)]))
endif
- let cols = a:0 ? type(a:1) != type([]) ? [a:1] : a:1 : range(1, linelen)
for cnum in cols
if match(map(synstack(a:lnum, cnum),
\ "synIDattr(v:val, 'name')"), 'python\S*String') == -1
let prevline = getline(a:lnum-1)
" Multilinestrings: continous, docstring or starting.
- if s:is_python_string(a:lnum-1, len(prevline))
+ if s:is_python_string(a:lnum-1, max([1, len(prevline)]))
\ && (s:is_python_string(a:lnum, 1)
\ || match(line, '^\%("""\|''''''\)') != -1)
if match_quotes != -1
" closing multiline string
let quotes = line[match_quotes:(match_quotes+2)]
- let pairpos = searchpairpos(quotes, '', quotes, 'b')
+ call cursor(a:lnum, 1)
+ let pairpos = searchpairpos(quotes, '', quotes, 'bW', '', 0, g:python_pep8_indent_searchpair_timeout)
if pairpos[0] != 0
return indent(pairpos[0])
else
- " TODO: test to cover this!
+ return -1
endif
endif
if s:is_python_string(a:lnum-1)
- " Previous line is (completely) a string.
- return indent(a:lnum-1)
+ " Previous line is (completely) a string: keep current indent.
+ return -1
endif
if match(prevline, '^\s*\%("""\|''''''\)') != -1