X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/a676d70769767c2b96d5e4f8581de9fdc531beeb..0d5b5cf86bb19c03a0f569cb4eae49a7fd661888:/indent/python.vim diff --git a/indent/python.vim b/indent/python.vim index 0c244cb..5c701e4 100644 --- a/indent/python.vim +++ b/indent/python.vim @@ -40,12 +40,32 @@ let s:block_rules = { \ '^\s*finally\>': ['try', 'except', 'else'] \ } let s:paren_pairs = ['()', '{}', '[]'] -let s:control_statement = '^\s*\(if\|while\|with\|for\|except\)\>' +if &ft == 'pyrex' || &ft == 'cython' + let b:control_statement = '\v^\s*(class|def|if|while|with|for|except|cdef|cpdef)>' +else + 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 +" 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") ' . - \ '=~? "string\\|comment"' + \ '=~? "\\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:skip_search = 'synIDattr(synID(line("."), col("."), 0), "name") ' . \ '=~? "comment"' @@ -134,6 +154,27 @@ function! s:find_start_of_block(lnum, types) 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) @@ -143,7 +184,8 @@ function! s:indent_like_opening_paren(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 @@ -160,7 +202,7 @@ function! s:indent_like_opening_paren(lnum) " If this line is the continuation of a control statement " indent further to distinguish the continuation line " from the next logical line. - if text =~# s:control_statement && res == base + s:sw() + if text =~# b:control_statement && res == base + s:sw() return base + s:sw() * 2 else return res @@ -204,20 +246,24 @@ function! s:indent_like_previous_line(lnum) call cursor(lnum, len(text)) let ignore_last_char = eval(s:skip_special_chars) - " Search for final colon that is not inside a string or comment. - while search(':\s*\%(#.*\)\?$', 'bcW', lnum) - if eval(s:skip_special_chars) - normal! h - else - return base + s:sw() - endif + " Search for final colon that is not inside something to be ignored. + while 1 + let curpos = getpos(".")[2] + if curpos == 1 | break | endif + if eval(s:skip_special_chars) || text[curpos-1] =~ '\s' + normal! h + continue + elseif text[curpos-1] == ':' + return base + s:sw() + endif + break endwhile if text =~ '\\$' && !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 @@ -235,10 +281,7 @@ function! s:indent_like_previous_line(lnum) return -1 endif - " If this line is dedented and the number of indent spaces is valid - " (multiple of the indentation size), trust the user - let dedent_size = current - base - if dedent_size < 0 && current % s:sw() == 0 + if s:is_dedented_already(current, base) return -1 endif @@ -246,6 +289,30 @@ function! s:indent_like_previous_line(lnum) 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 @@ -253,6 +320,24 @@ function! GetPythonPEPIndent(lnum) 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