Mercurial > vim
annotate runtime/indent/python.vim @ 18486:9d887cad7315
Added tag v8.1.2237 for changeset 63ee3c2b140fe1b4801389872a8e47aec19d028b
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 31 Oct 2019 20:00:04 +0100 |
| parents | c3c1abe7aff2 |
| children | 7f88f6a3ed4c |
| rev | line source |
|---|---|
| 7 | 1 " Vim indent file |
| 164 | 2 " Language: Python |
| 3 " Maintainer: Bram Moolenaar <Bram@vim.org> | |
| 7 | 4 " Original Author: David Bustos <bustos@caltech.edu> |
| 15932 | 5 " Last Change: 2019 Feb 21 |
| 7 | 6 |
| 7 " Only load this indent file when no other was loaded. | |
| 8 if exists("b:did_indent") | |
| 9 finish | |
| 10 endif | |
| 11 let b:did_indent = 1 | |
| 12 | |
| 13 " Some preliminary settings | |
| 14 setlocal nolisp " Make sure lisp indenting doesn't supersede us | |
| 15 setlocal autoindent " indentexpr isn't much help otherwise | |
| 16 | |
| 17 setlocal indentexpr=GetPythonIndent(v:lnum) | |
| 18 setlocal indentkeys+=<:>,=elif,=except | |
| 19 | |
| 20 " Only define the function once. | |
| 21 if exists("*GetPythonIndent") | |
| 22 finish | |
| 23 endif | |
|
3507
8201108e9cf0
More runtime file fixes for 'compatible' mode.
Bram Moolenaar <bram@vim.org>
parents:
3496
diff
changeset
|
24 let s:keepcpo= &cpo |
|
8201108e9cf0
More runtime file fixes for 'compatible' mode.
Bram Moolenaar <bram@vim.org>
parents:
3496
diff
changeset
|
25 set cpo&vim |
| 7 | 26 |
| 170 | 27 " Come here when loading the script the first time. |
| 28 | |
| 7 | 29 let s:maxoff = 50 " maximum number of lines to look backwards for () |
| 30 | |
| 31 function GetPythonIndent(lnum) | |
| 856 | 32 |
| 7 | 33 " If this line is explicitly joined: If the previous line was also joined, |
| 34 " line it up with that one, otherwise add two 'shiftwidth' | |
| 35 if getline(a:lnum - 1) =~ '\\$' | |
| 36 if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$' | |
| 37 return indent(a:lnum - 1) | |
| 38 endif | |
| 4992 | 39 return indent(a:lnum - 1) + (exists("g:pyindent_continue") ? eval(g:pyindent_continue) : (shiftwidth() * 2)) |
| 7 | 40 endif |
| 41 | |
| 42 " If the start of the line is in a string don't change the indent. | |
| 43 if has('syntax_items') | |
| 8 | 44 \ && synIDattr(synID(a:lnum, 1, 1), "name") =~ "String$" |
| 7 | 45 return -1 |
| 46 endif | |
| 47 | |
| 48 " Search backwards for the previous non-empty line. | |
| 49 let plnum = prevnonblank(v:lnum - 1) | |
| 50 | |
| 51 if plnum == 0 | |
| 52 " This is the first non-empty line, use zero indent. | |
| 53 return 0 | |
| 54 endif | |
| 55 | |
| 15932 | 56 call cursor(plnum, 1) |
| 14945 | 57 |
| 15932 | 58 " Identing inside parentheses can be very slow, regardless of the searchpair() |
| 59 " timeout, so let the user disable this feature if he doesn't need it | |
| 60 let disable_parentheses_indenting = get(g:, "pyindent_disable_parentheses_indenting", 0) | |
| 61 | |
| 62 if disable_parentheses_indenting == 1 | |
| 7 | 63 let plindent = indent(plnum) |
| 64 let plnumstart = plnum | |
| 15932 | 65 else |
| 66 " searchpair() can be slow sometimes, limit the time to 150 msec or what is | |
| 67 " put in g:pyindent_searchpair_timeout | |
| 68 let searchpair_stopline = 0 | |
| 69 let searchpair_timeout = get(g:, 'pyindent_searchpair_timeout', 150) | |
| 7 | 70 |
| 15932 | 71 " If the previous line is inside parenthesis, use the indent of the starting |
| 72 " line. | |
| 73 " Trick: use the non-existing "dummy" variable to break out of the loop when | |
| 74 " going too far back. | |
| 75 let parlnum = searchpair('(\|{\|\[', '', ')\|}\|\]', 'nbW', | |
| 76 \ "line('.') < " . (plnum - s:maxoff) . " ? dummy :" | |
| 77 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 78 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", | |
| 79 \ searchpair_stopline, searchpair_timeout) | |
| 80 if parlnum > 0 | |
| 81 let plindent = indent(parlnum) | |
| 82 let plnumstart = parlnum | |
| 83 else | |
| 84 let plindent = indent(plnum) | |
| 85 let plnumstart = plnum | |
| 86 endif | |
| 7 | 87 |
| 15932 | 88 " When inside parenthesis: If at the first line below the parenthesis add |
| 89 " two 'shiftwidth', otherwise same as previous line. | |
| 90 " i = (a | |
| 91 " + b | |
| 92 " + c) | |
| 93 call cursor(a:lnum, 1) | |
| 94 let p = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', | |
| 95 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" | |
| 96 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 97 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", | |
| 98 \ searchpair_stopline, searchpair_timeout) | |
| 99 if p > 0 | |
| 100 if p == plnum | |
| 101 " When the start is inside parenthesis, only indent one 'shiftwidth'. | |
| 102 let pp = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', | |
| 103 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" | |
| 104 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 105 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", | |
| 106 \ searchpair_stopline, searchpair_timeout) | |
| 107 if pp > 0 | |
| 108 return indent(plnum) + (exists("g:pyindent_nested_paren") ? eval(g:pyindent_nested_paren) : shiftwidth()) | |
| 109 endif | |
| 110 return indent(plnum) + (exists("g:pyindent_open_paren") ? eval(g:pyindent_open_paren) : (shiftwidth() * 2)) | |
| 7 | 111 endif |
| 15932 | 112 if plnumstart == p |
| 113 return indent(plnum) | |
| 114 endif | |
| 115 return plindent | |
| 7 | 116 endif |
| 15932 | 117 |
| 7 | 118 endif |
| 119 | |
| 120 | |
| 121 " Get the line and remove a trailing comment. | |
| 122 " Use syntax highlighting attributes when possible. | |
| 123 let pline = getline(plnum) | |
| 124 let pline_len = strlen(pline) | |
| 20 | 125 if has('syntax_items') |
| 126 " If the last character in the line is a comment, do a binary search for | |
| 127 " the start of the comment. synID() is slow, a linear search would take | |
| 128 " too long on a long line. | |
| 5220 | 129 if synIDattr(synID(plnum, pline_len, 1), "name") =~ "\\(Comment\\|Todo\\)$" |
| 20 | 130 let min = 1 |
| 131 let max = pline_len | |
| 132 while min < max | |
| 133 let col = (min + max) / 2 | |
| 5220 | 134 if synIDattr(synID(plnum, col, 1), "name") =~ "\\(Comment\\|Todo\\)$" |
| 20 | 135 let max = col |
| 136 else | |
| 137 let min = col + 1 | |
| 138 endif | |
| 139 endwhile | |
| 140 let pline = strpart(pline, 0, min - 1) | |
| 7 | 141 endif |
| 20 | 142 else |
| 143 let col = 0 | |
| 144 while col < pline_len | |
| 145 if pline[col] == '#' | |
| 146 let pline = strpart(pline, 0, col) | |
| 147 break | |
| 148 endif | |
| 149 let col = col + 1 | |
| 150 endwhile | |
| 151 endif | |
| 7 | 152 |
| 153 " If the previous line ended with a colon, indent this line | |
| 154 if pline =~ ':\s*$' | |
| 4992 | 155 return plindent + shiftwidth() |
| 7 | 156 endif |
| 157 | |
| 158 " If the previous line was a stop-execution statement... | |
| 1121 | 159 if getline(plnum) =~ '^\s*\(break\|continue\|raise\|return\|pass\)\>' |
| 7 | 160 " See if the user has already dedented |
| 4992 | 161 if indent(a:lnum) > indent(plnum) - shiftwidth() |
| 7 | 162 " If not, recommend one dedent |
| 4992 | 163 return indent(plnum) - shiftwidth() |
| 7 | 164 endif |
| 165 " Otherwise, trust the user | |
| 166 return -1 | |
| 167 endif | |
| 168 | |
| 169 " If the current line begins with a keyword that lines up with "try" | |
| 170 if getline(a:lnum) =~ '^\s*\(except\|finally\)\>' | |
| 171 let lnum = a:lnum - 1 | |
| 172 while lnum >= 1 | |
| 173 if getline(lnum) =~ '^\s*\(try\|except\)\>' | |
| 174 let ind = indent(lnum) | |
| 175 if ind >= indent(a:lnum) | |
| 176 return -1 " indent is already less than this | |
| 177 endif | |
| 178 return ind " line up with previous try or except | |
| 179 endif | |
| 180 let lnum = lnum - 1 | |
| 181 endwhile | |
| 182 return -1 " no matching "try"! | |
| 183 endif | |
| 184 | |
| 185 " If the current line begins with a header keyword, dedent | |
| 186 if getline(a:lnum) =~ '^\s*\(elif\|else\)\>' | |
| 187 | |
| 188 " Unless the previous line was a one-liner | |
| 189 if getline(plnumstart) =~ '^\s*\(for\|if\|try\)\>' | |
| 190 return plindent | |
| 191 endif | |
| 192 | |
| 193 " Or the user has already dedented | |
| 4992 | 194 if indent(a:lnum) <= plindent - shiftwidth() |
| 7 | 195 return -1 |
| 196 endif | |
| 197 | |
| 4992 | 198 return plindent - shiftwidth() |
| 7 | 199 endif |
| 200 | |
| 201 " When after a () construct we probably want to go back to the start line. | |
| 202 " a = (b | |
| 203 " + c) | |
| 204 " here | |
| 205 if parlnum > 0 | |
| 206 return plindent | |
| 207 endif | |
| 208 | |
| 209 return -1 | |
| 210 | |
| 211 endfunction | |
| 212 | |
|
3496
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
213 let &cpo = s:keepcpo |
|
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
214 unlet s:keepcpo |
|
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
215 |
| 7 | 216 " vim:sw=2 |