" Maintainer: Hynek Schlawack <hs@ox.cx>
" Prev Maintainer: Eric Mc Sween <em@tomcom.de> (address invalid)
" Original Author: David Bustos <bustos@caltech.edu> (address invalid)
-" License: Public Domain
+" License: CC0
+"
+" vim-python-pep8-indent - A nicer Python indentation style for vim.
+" Written in 2004 by David Bustos <bustos@caltech.edu>
+" Maintained from 2004-2005 by Eric Mc Sween <em@tomcom.de>
+" Maintained from 2013 by Hynek Schlawack <hs@ox.cx>
+"
+" To the extent possible under law, the author(s) have dedicated all copyright
+" and related and neighboring rights to this software to the public domain
+" worldwide. This software is distributed without any warranty.
+" You should have received a copy of the CC0 Public Domain Dedication along
+" with this software. If not, see
+" <http://creativecommons.org/publicdomain/zero/1.0/>.
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
setlocal autoindent
setlocal indentexpr=GetPythonPEPIndent(v:lnum)
setlocal indentkeys=!^F,o,O,<:>,0),0],0},=elif,=except
+setlocal tabstop=4
+setlocal softtabstop=4
+setlocal shiftwidth=4
let s:maxoff = 50
let s:block_rules = {
- \ '^\s*\(elif\|else\)\>': ['if', 'elif'],
- \ '^\s*except\>': ['try', 'except'],
- \ '^\s*finally\>': ['try', 'except', 'else']
- \ }
+ \ '^\s*elif\>': ['if', 'elif'],
+ \ '^\s*else\>': ['if', 'elif', 'for', 'try', 'except'],
+ \ '^\s*except\>': ['try', 'except'],
+ \ '^\s*finally\>': ['try', 'except', 'else']
+ \ }
let s:paren_pairs = ['()', '{}', '[]']
-let s:control_statement = '^\s*\(if\|while\|with\|for\|except\)\>'
-let s:stop_statement = '^\s*\(break\|continue\|raise\|return\|pass\)\>'
-if v:version >= 704 || (v:version == 703 && has('patch1037'))
- let s:string_literal = '".\{-}\\\@1<!"\|''.\{-}\\\@1<!'''
+if &ft == 'pyrex' || &ft == 'cython'
+ let b:control_statement = '\v^\s*(class|def|if|while|with|for|except|cdef|cpdef)>'
else
- let s:string_literal = '".\{-}\\\@<!"\|''.\{-}\\\@<!'''
+ let b:control_statement = '\v^\s*(class|def|if|while|with|for|except)>'
+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
-" compatibility with vim patch 7.3.629: 'sw' can be set to -1 to follow 'ts'
+
+let s:skip_search = 'synIDattr(synID(line("."), col("."), 0), "name") ' .
+ \ '=~? "comment"'
+
+" Use 'shiftwidth()' instead of '&sw'.
+" (Since Vim patch 7.3.629, 'shiftwidth' can be set to 0 to follow 'tabstop').
if exists('*shiftwidth')
function! s:sw()
return shiftwidth()
let stopline = max([0, line('.') - s:maxoff])
- " Skip strings and comments
- let skip = 'synIDattr(synID(line("."), col("."), 0), "name") ' .
- \ '=~? "string\\|comment"'
-
- " Return if cursor is in a comment or string
- exe 'if' skip '| return [0, 0] | endif'
+ " Return if cursor is in a comment.
+ exe 'if' s:skip_search '| return [0, 0] | endif'
let positions = []
for p in s:paren_pairs
- call add(positions, searchpairpos('\V'.p[0], '', '\V'.p[1], 'bnW', skip, stopline))
+ call add(positions, searchpairpos(
+ \ '\V'.p[0], '', '\V'.p[1], 'bnW', s:skip_special_chars, stopline))
endfor
" Remove empty matches and return the type with the closest match
call filter(positions, 'v:val[0]')
call sort(positions, 's:pair_sort')
- return get(positions, 0, [0, 0])
+ return get(positions, -1, [0, 0])
endfunction
" Find the start of a multi-line statement
return 0
endfunction
+" Is "expr" true for every position in "lnum", beginning at "start"?
+" (optionally up to a:1 / 4th argument)
+function! s:match_expr_on_line(expr, lnum, start, ...)
+ let text = getline(a:lnum)
+ let end = a:0 ? a:1 : len(text)
+ if a:start > end
+ return 1
+ endif
+ let save_pos = getpos('.')
+ let r = 1
+ for i in range(a:start, end)
+ call cursor(a:lnum, i)
+ if !(eval(a:expr) || text[i-1] =~ '\s')
+ let r = 0
+ break
+ endif
+ endfor
+ call setpos('.', save_pos)
+ return r
+endfunction
+
" 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 text = getline(paren_lnum)
let base = indent(paren_lnum)
- let nothing_after_opening_paren = text =~ '\%'.(paren_col + 1).'c\s*$'
+ let nothing_after_opening_paren = s:match_expr_on_line(
+ \ s:skip_after_opening_paren, paren_lnum, paren_col+1)
let starts_with_closing_paren = getline(a:lnum) =~ '^\s*[])}]'
if nothing_after_opening_paren
if starts_with_closing_paren
- return base
+ let res = base
else
- return base + s:sw()
+ let res = base + s:sw()
endif
else
" Indent to match position of opening paren.
- return paren_col
+ let res = paren_col
+ endif
+
+ " If this line is the continuation of a control statement
+ " 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
endif
endfunction
function! s:indent_like_previous_line(lnum)
let lnum = prevnonblank(a:lnum - 1)
- let text = getline(lnum)
- let start = s:find_start_of_multiline_statement(lnum)
- let base = indent(start)
-
- " Remove string literals.
- let text = substitute(text, s:string_literal, '', 'g')
- " If the previous line ended with a colon and is not a comment, indent
- " relative to statement start.
- if text =~ '^[^#]*:\s*\(#.*\)\?$'
- return base + s:sw()
+ " No previous line, keep current indent.
+ if lnum < 1
+ return -1
endif
+ let text = getline(lnum)
+ let start = s:find_start_of_multiline_statement(lnum)
+ let base = indent(start)
+ let current = indent(a:lnum)
+
+ " Jump to last character in previous line.
+ call cursor(lnum, len(text))
+ let ignore_last_char = eval(s:skip_special_chars)
+
+ " Search for final colon that is not inside something to be ignored.
+ while 1
+ let curpos = getpos(".")[2]
+ if curpos == 1 | break | endif
+ if eval(s:skip_special_chars) || text[curpos-1] =~ '\s'
+ normal! h
+ continue
+ elseif text[curpos-1] == ':'
+ return base + s:sw()
+ endif
+ break
+ endwhile
- if text =~ '\\$'
+ if text =~ '\\$' && !ignore_last_char
" If this line is the continuation of a control statement
" indent further to distinguish the continuation line
" from the next logical line.
- if getline(start) =~# s:control_statement
+ if getline(start) =~# b:control_statement
return base + s:sw() * 2
endif
return -1
endif
+ if s:is_dedented_already(current, base)
+ return -1
+ endif
+
" In all other cases, line up with the start of the previous statement.
return base
endfunction
+" If this line is dedented and the number of indent spaces is valid
+" (multiple of the indentation size), trust the user.
+function! s:is_dedented_already(current, base)
+ let dedent_size = a:current - a:base
+ return (dedent_size < 0 && a:current % s:sw() == 0) ? 1 : 0
+endfunction
+
+" 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
+ 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
+ return 0
+ end
+ endfor
+ return 1
+endfunction
+
function! GetPythonPEPIndent(lnum)
" First line has indent 0
return 0
endif
+ " Multilinestrings: continous, docstring or starting.
+ if s:is_python_string(a:lnum)
+ if s:is_python_string(a:lnum-1)
+ " Previous line is (completely) a string.
+ return s:indent_like_previous_line(a:lnum)
+ endif
+
+ if match(getline(a:lnum-1), '^\s*\%("""\|''''''\)') != -1
+ " docstring.
+ return s:indent_like_previous_line(a:lnum)
+ endif
+
+ if s:is_python_string(a:lnum-1, len(getline(a:lnum-1)))
+ " String started in previous line.
+ return 0
+ endif
+ endif
+
" Parens: If we can find an open parenthesis/bracket/brace, line up with it.
let indent = s:indent_like_opening_paren(a:lnum)
if indent >= -1
projects / etc / vim.git / blobdiff