Mercurial > vim
annotate runtime/indent/python.vim @ 20503:34d4df8db24c
Added tag v8.2.0805 for changeset f28a49da879d8cc2a864ebbdfe3473d34aefaaa3
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 21 May 2020 20:45:04 +0200 |
| parents | 7f88f6a3ed4c |
| children | e69e7133c9cf |
| 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 | |
| 20379 | 31 " See if the specified line is already user-dedented from the expected value. |
| 32 function s:Dedented(lnum, expected) | |
| 33 return indent(a:lnum) <= a:expected - shiftwidth() | |
| 34 endfunction | |
| 35 | |
| 7 | 36 function GetPythonIndent(lnum) |
| 856 | 37 |
| 7 | 38 " If this line is explicitly joined: If the previous line was also joined, |
| 39 " line it up with that one, otherwise add two 'shiftwidth' | |
| 40 if getline(a:lnum - 1) =~ '\\$' | |
| 41 if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$' | |
| 42 return indent(a:lnum - 1) | |
| 43 endif | |
| 4992 | 44 return indent(a:lnum - 1) + (exists("g:pyindent_continue") ? eval(g:pyindent_continue) : (shiftwidth() * 2)) |
| 7 | 45 endif |
| 46 | |
| 47 " If the start of the line is in a string don't change the indent. | |
| 48 if has('syntax_items') | |
| 8 | 49 \ && synIDattr(synID(a:lnum, 1, 1), "name") =~ "String$" |
| 7 | 50 return -1 |
| 51 endif | |
| 52 | |
| 53 " Search backwards for the previous non-empty line. | |
| 54 let plnum = prevnonblank(v:lnum - 1) | |
| 55 | |
| 56 if plnum == 0 | |
| 57 " This is the first non-empty line, use zero indent. | |
| 58 return 0 | |
| 59 endif | |
| 60 | |
| 15932 | 61 call cursor(plnum, 1) |
| 14945 | 62 |
| 15932 | 63 " Identing inside parentheses can be very slow, regardless of the searchpair() |
| 64 " timeout, so let the user disable this feature if he doesn't need it | |
| 65 let disable_parentheses_indenting = get(g:, "pyindent_disable_parentheses_indenting", 0) | |
| 66 | |
| 67 if disable_parentheses_indenting == 1 | |
| 7 | 68 let plindent = indent(plnum) |
| 69 let plnumstart = plnum | |
| 15932 | 70 else |
| 71 " searchpair() can be slow sometimes, limit the time to 150 msec or what is | |
| 72 " put in g:pyindent_searchpair_timeout | |
| 73 let searchpair_stopline = 0 | |
| 74 let searchpair_timeout = get(g:, 'pyindent_searchpair_timeout', 150) | |
| 7 | 75 |
| 15932 | 76 " If the previous line is inside parenthesis, use the indent of the starting |
| 77 " line. | |
| 78 " Trick: use the non-existing "dummy" variable to break out of the loop when | |
| 79 " going too far back. | |
| 80 let parlnum = searchpair('(\|{\|\[', '', ')\|}\|\]', 'nbW', | |
| 81 \ "line('.') < " . (plnum - s:maxoff) . " ? dummy :" | |
| 82 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 83 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", | |
| 84 \ searchpair_stopline, searchpair_timeout) | |
| 85 if parlnum > 0 | |
| 86 let plindent = indent(parlnum) | |
| 87 let plnumstart = parlnum | |
| 88 else | |
| 89 let plindent = indent(plnum) | |
| 90 let plnumstart = plnum | |
| 91 endif | |
| 7 | 92 |
| 15932 | 93 " When inside parenthesis: If at the first line below the parenthesis add |
| 94 " two 'shiftwidth', otherwise same as previous line. | |
| 95 " i = (a | |
| 96 " + b | |
| 97 " + c) | |
| 98 call cursor(a:lnum, 1) | |
| 99 let p = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', | |
| 100 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" | |
| 101 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 102 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", | |
| 103 \ searchpair_stopline, searchpair_timeout) | |
| 104 if p > 0 | |
| 105 if p == plnum | |
| 106 " When the start is inside parenthesis, only indent one 'shiftwidth'. | |
| 107 let pp = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', | |
| 108 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" | |
| 109 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 110 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", | |
| 111 \ searchpair_stopline, searchpair_timeout) | |
| 112 if pp > 0 | |
| 113 return indent(plnum) + (exists("g:pyindent_nested_paren") ? eval(g:pyindent_nested_paren) : shiftwidth()) | |
| 114 endif | |
| 115 return indent(plnum) + (exists("g:pyindent_open_paren") ? eval(g:pyindent_open_paren) : (shiftwidth() * 2)) | |
| 7 | 116 endif |
| 15932 | 117 if plnumstart == p |
| 118 return indent(plnum) | |
| 119 endif | |
| 120 return plindent | |
| 7 | 121 endif |
| 15932 | 122 |
| 7 | 123 endif |
| 124 | |
| 125 | |
| 126 " Get the line and remove a trailing comment. | |
| 127 " Use syntax highlighting attributes when possible. | |
| 128 let pline = getline(plnum) | |
| 129 let pline_len = strlen(pline) | |
| 20 | 130 if has('syntax_items') |
| 131 " If the last character in the line is a comment, do a binary search for | |
| 132 " the start of the comment. synID() is slow, a linear search would take | |
| 133 " too long on a long line. | |
| 5220 | 134 if synIDattr(synID(plnum, pline_len, 1), "name") =~ "\\(Comment\\|Todo\\)$" |
| 20 | 135 let min = 1 |
| 136 let max = pline_len | |
| 137 while min < max | |
| 138 let col = (min + max) / 2 | |
| 5220 | 139 if synIDattr(synID(plnum, col, 1), "name") =~ "\\(Comment\\|Todo\\)$" |
| 20 | 140 let max = col |
| 141 else | |
| 142 let min = col + 1 | |
| 143 endif | |
| 144 endwhile | |
| 145 let pline = strpart(pline, 0, min - 1) | |
| 7 | 146 endif |
| 20 | 147 else |
| 148 let col = 0 | |
| 149 while col < pline_len | |
| 150 if pline[col] == '#' | |
| 151 let pline = strpart(pline, 0, col) | |
| 152 break | |
| 153 endif | |
| 154 let col = col + 1 | |
| 155 endwhile | |
| 156 endif | |
| 7 | 157 |
| 158 " If the previous line ended with a colon, indent this line | |
| 159 if pline =~ ':\s*$' | |
| 4992 | 160 return plindent + shiftwidth() |
| 7 | 161 endif |
| 162 | |
| 163 " If the previous line was a stop-execution statement... | |
| 1121 | 164 if getline(plnum) =~ '^\s*\(break\|continue\|raise\|return\|pass\)\>' |
| 7 | 165 " See if the user has already dedented |
| 20379 | 166 if s:Dedented(a:lnum, indent(plnum)) |
| 167 " If so, trust the user | |
| 168 return -1 | |
| 7 | 169 endif |
| 20379 | 170 " If not, recommend one dedent |
| 171 return indent(plnum) - shiftwidth() | |
| 7 | 172 endif |
| 173 | |
| 174 " If the current line begins with a keyword that lines up with "try" | |
| 175 if getline(a:lnum) =~ '^\s*\(except\|finally\)\>' | |
| 176 let lnum = a:lnum - 1 | |
| 177 while lnum >= 1 | |
| 178 if getline(lnum) =~ '^\s*\(try\|except\)\>' | |
| 179 let ind = indent(lnum) | |
| 180 if ind >= indent(a:lnum) | |
| 181 return -1 " indent is already less than this | |
| 182 endif | |
| 183 return ind " line up with previous try or except | |
| 184 endif | |
| 185 let lnum = lnum - 1 | |
| 186 endwhile | |
| 187 return -1 " no matching "try"! | |
| 188 endif | |
| 189 | |
| 190 " If the current line begins with a header keyword, dedent | |
| 191 if getline(a:lnum) =~ '^\s*\(elif\|else\)\>' | |
| 192 | |
| 193 " Unless the previous line was a one-liner | |
| 194 if getline(plnumstart) =~ '^\s*\(for\|if\|try\)\>' | |
| 195 return plindent | |
| 196 endif | |
| 197 | |
| 198 " Or the user has already dedented | |
| 20379 | 199 if s:Dedented(a:lnum, plindent) |
| 7 | 200 return -1 |
| 201 endif | |
| 202 | |
| 4992 | 203 return plindent - shiftwidth() |
| 7 | 204 endif |
| 205 | |
| 206 " When after a () construct we probably want to go back to the start line. | |
| 207 " a = (b | |
| 208 " + c) | |
| 209 " here | |
| 210 if parlnum > 0 | |
| 20379 | 211 " ...unless the user has already dedented |
| 212 if s:Dedented(a:lnum, plindent) | |
| 213 return -1 | |
| 214 else | |
| 215 return plindent | |
| 216 endif | |
| 7 | 217 endif |
| 218 | |
| 219 return -1 | |
| 220 | |
| 221 endfunction | |
| 222 | |
|
3496
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
223 let &cpo = s:keepcpo |
|
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
224 unlet s:keepcpo |
|
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
225 |
| 7 | 226 " vim:sw=2 |