Mercurial > vim
annotate runtime/indent/python.vim @ 4871:74a330469e22
Added tag v7-3-1181 for changeset b7bb20390111
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 12 Jun 2013 22:08:58 +0200 |
| parents | 8201108e9cf0 |
| children | ceb5f21cda79 |
| 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> |
|
3507
8201108e9cf0
More runtime file fixes for 'compatible' mode.
Bram Moolenaar <bram@vim.org>
parents:
3496
diff
changeset
|
5 " Last Change: 2012 May 01 |
| 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 | |
| 170 | 39 return indent(a:lnum - 1) + (exists("g:pyindent_continue") ? eval(g:pyindent_continue) : (&sw * 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 | |
| 56 " If the previous line is inside parenthesis, use the indent of the starting | |
| 57 " line. | |
| 58 " Trick: use the non-existing "dummy" variable to break out of the loop when | |
| 59 " going too far back. | |
| 60 call cursor(plnum, 1) | |
| 819 | 61 let parlnum = searchpair('(\|{\|\[', '', ')\|}\|\]', 'nbW', |
| 7 | 62 \ "line('.') < " . (plnum - s:maxoff) . " ? dummy :" |
| 63 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 8 | 64 \ . " =~ '\\(Comment\\|String\\)$'") |
| 7 | 65 if parlnum > 0 |
| 66 let plindent = indent(parlnum) | |
| 67 let plnumstart = parlnum | |
| 68 else | |
| 69 let plindent = indent(plnum) | |
| 70 let plnumstart = plnum | |
| 71 endif | |
| 72 | |
| 73 | |
| 74 " When inside parenthesis: If at the first line below the parenthesis add | |
| 75 " two 'shiftwidth', otherwise same as previous line. | |
| 76 " i = (a | |
| 77 " + b | |
| 78 " + c) | |
| 79 call cursor(a:lnum, 1) | |
| 819 | 80 let p = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', |
| 7 | 81 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" |
| 82 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 8 | 83 \ . " =~ '\\(Comment\\|String\\)$'") |
| 7 | 84 if p > 0 |
| 85 if p == plnum | |
| 86 " When the start is inside parenthesis, only indent one 'shiftwidth'. | |
| 819 | 87 let pp = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', |
| 7 | 88 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" |
| 89 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" | |
| 8 | 90 \ . " =~ '\\(Comment\\|String\\)$'") |
| 7 | 91 if pp > 0 |
| 170 | 92 return indent(plnum) + (exists("g:pyindent_nested_paren") ? eval(g:pyindent_nested_paren) : &sw) |
| 7 | 93 endif |
| 170 | 94 return indent(plnum) + (exists("g:pyindent_open_paren") ? eval(g:pyindent_open_paren) : (&sw * 2)) |
| 7 | 95 endif |
| 96 if plnumstart == p | |
| 97 return indent(plnum) | |
| 98 endif | |
| 99 return plindent | |
| 100 endif | |
| 101 | |
| 102 | |
| 103 " Get the line and remove a trailing comment. | |
| 104 " Use syntax highlighting attributes when possible. | |
| 105 let pline = getline(plnum) | |
| 106 let pline_len = strlen(pline) | |
| 20 | 107 if has('syntax_items') |
| 108 " If the last character in the line is a comment, do a binary search for | |
| 109 " the start of the comment. synID() is slow, a linear search would take | |
| 110 " too long on a long line. | |
| 111 if synIDattr(synID(plnum, pline_len, 1), "name") =~ "Comment$" | |
| 112 let min = 1 | |
| 113 let max = pline_len | |
| 114 while min < max | |
| 115 let col = (min + max) / 2 | |
| 116 if synIDattr(synID(plnum, col, 1), "name") =~ "Comment$" | |
| 117 let max = col | |
| 118 else | |
| 119 let min = col + 1 | |
| 120 endif | |
| 121 endwhile | |
| 122 let pline = strpart(pline, 0, min - 1) | |
| 7 | 123 endif |
| 20 | 124 else |
| 125 let col = 0 | |
| 126 while col < pline_len | |
| 127 if pline[col] == '#' | |
| 128 let pline = strpart(pline, 0, col) | |
| 129 break | |
| 130 endif | |
| 131 let col = col + 1 | |
| 132 endwhile | |
| 133 endif | |
| 7 | 134 |
| 135 " If the previous line ended with a colon, indent this line | |
| 136 if pline =~ ':\s*$' | |
| 137 return plindent + &sw | |
| 138 endif | |
| 139 | |
| 140 " If the previous line was a stop-execution statement... | |
| 1121 | 141 if getline(plnum) =~ '^\s*\(break\|continue\|raise\|return\|pass\)\>' |
| 7 | 142 " See if the user has already dedented |
| 143 if indent(a:lnum) > indent(plnum) - &sw | |
| 144 " If not, recommend one dedent | |
| 145 return indent(plnum) - &sw | |
| 146 endif | |
| 147 " Otherwise, trust the user | |
| 148 return -1 | |
| 149 endif | |
| 150 | |
| 151 " If the current line begins with a keyword that lines up with "try" | |
| 152 if getline(a:lnum) =~ '^\s*\(except\|finally\)\>' | |
| 153 let lnum = a:lnum - 1 | |
| 154 while lnum >= 1 | |
| 155 if getline(lnum) =~ '^\s*\(try\|except\)\>' | |
| 156 let ind = indent(lnum) | |
| 157 if ind >= indent(a:lnum) | |
| 158 return -1 " indent is already less than this | |
| 159 endif | |
| 160 return ind " line up with previous try or except | |
| 161 endif | |
| 162 let lnum = lnum - 1 | |
| 163 endwhile | |
| 164 return -1 " no matching "try"! | |
| 165 endif | |
| 166 | |
| 167 " If the current line begins with a header keyword, dedent | |
| 168 if getline(a:lnum) =~ '^\s*\(elif\|else\)\>' | |
| 169 | |
| 170 " Unless the previous line was a one-liner | |
| 171 if getline(plnumstart) =~ '^\s*\(for\|if\|try\)\>' | |
| 172 return plindent | |
| 173 endif | |
| 174 | |
| 175 " Or the user has already dedented | |
| 176 if indent(a:lnum) <= plindent - &sw | |
| 177 return -1 | |
| 178 endif | |
| 179 | |
| 180 return plindent - &sw | |
| 181 endif | |
| 182 | |
| 183 " When after a () construct we probably want to go back to the start line. | |
| 184 " a = (b | |
| 185 " + c) | |
| 186 " here | |
| 187 if parlnum > 0 | |
| 188 return plindent | |
| 189 endif | |
| 190 | |
| 191 return -1 | |
| 192 | |
| 193 endfunction | |
| 194 | |
|
3496
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
195 let &cpo = s:keepcpo |
|
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
196 unlet s:keepcpo |
|
d1e4abe8342c
Fixed compatible mode in most runtime files.
Bram Moolenaar <bram@vim.org>
parents:
1121
diff
changeset
|
197 |
| 7 | 198 " vim:sw=2 |