1" Vim indent file 2" Language: BitBake 3" Copyright: Copyright (C) 2019 Agilent Technologies, Inc. 4" Maintainer: Chris Laplante <chris.laplante@agilent.com> 5" License: You may redistribute this under the same terms as Vim itself 6 7 8if exists("b:did_indent") 9 finish 10endif 11 12if exists("*BitbakeIndent") 13 finish 14endif 15 16runtime! indent/sh.vim 17unlet b:did_indent 18 19setlocal indentexpr=BitbakeIndent(v:lnum) 20setlocal autoindent nolisp 21 22function s:is_bb_python_func_def(lnum) 23 let stack = synstack(a:lnum, 1) 24 if len(stack) == 0 25 return 0 26 endif 27 28 let top = synIDattr(stack[0], "name") 29 echo top 30 31 return synIDattr(stack[0], "name") == "bbPyFuncDef" 32endfunction 33 34"""" begin modified from indent/python.vim, upstream commit 7a9bd7c1e0ce1baf5a02daf36eeae3638aa315c7 35"""" This copied code is licensed the same as Vim itself. 36setlocal indentkeys+=<:>,=elif,=except 37 38let s:keepcpo= &cpo 39set cpo&vim 40 41let s:maxoff = 50 " maximum number of lines to look backwards for () 42 43function! GetBBPythonIndent(lnum) 44 45 " If this line is explicitly joined: If the previous line was also joined, 46 " line it up with that one, otherwise add two 'shiftwidth' 47 if getline(a:lnum - 1) =~ '\\$' 48 if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$' 49 return indent(a:lnum - 1) 50 endif 51 return indent(a:lnum - 1) + (exists("g:pyindent_continue") ? eval(g:pyindent_continue) : (shiftwidth() * 2)) 52 endif 53 54 " If the start of the line is in a string don't change the indent. 55 if has('syntax_items') 56 \ && synIDattr(synID(a:lnum, 1, 1), "name") =~ "String$" 57 return -1 58 endif 59 60 " Search backwards for the previous non-empty line. 61 let plnum = prevnonblank(v:lnum - 1) 62 63 if plnum == 0 64 " This is the first non-empty line, use zero indent. 65 return 0 66 endif 67 68 call cursor(plnum, 1) 69 70 " Identing inside parentheses can be very slow, regardless of the searchpair() 71 " timeout, so let the user disable this feature if he doesn't need it 72 let disable_parentheses_indenting = get(g:, "pyindent_disable_parentheses_indenting", 0) 73 74 if disable_parentheses_indenting == 1 75 let plindent = indent(plnum) 76 let plnumstart = plnum 77 else 78 " searchpair() can be slow sometimes, limit the time to 150 msec or what is 79 " put in g:pyindent_searchpair_timeout 80 let searchpair_stopline = 0 81 let searchpair_timeout = get(g:, 'pyindent_searchpair_timeout', 150) 82 83 " If the previous line is inside parenthesis, use the indent of the starting 84 " line. 85 " Trick: use the non-existing "dummy" variable to break out of the loop when 86 " going too far back. 87 let parlnum = searchpair('(\|{\|\[', '', ')\|}\|\]', 'nbW', 88 \ "line('.') < " . (plnum - s:maxoff) . " ? dummy :" 89 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" 90 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", 91 \ searchpair_stopline, searchpair_timeout) 92 if parlnum > 0 93 " We may have found the opening brace of a BitBake Python task, e.g. 'python do_task {' 94 " If so, ignore it here - it will be handled later. 95 if s:is_bb_python_func_def(parlnum) 96 let parlnum = 0 97 let plindent = indent(plnum) 98 let plnumstart = plnum 99 else 100 let plindent = indent(parlnum) 101 let plnumstart = parlnum 102 endif 103 else 104 let plindent = indent(plnum) 105 let plnumstart = plnum 106 endif 107 108 " When inside parenthesis: If at the first line below the parenthesis add 109 " two 'shiftwidth', otherwise same as previous line. 110 " i = (a 111 " + b 112 " + c) 113 call cursor(a:lnum, 1) 114 let p = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', 115 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" 116 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" 117 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", 118 \ searchpair_stopline, searchpair_timeout) 119 if p > 0 120 if s:is_bb_python_func_def(p) 121 " Handle first non-empty line inside a BB Python task 122 if p == plnum 123 return shiftwidth() 124 endif 125 126 " Handle the user actually trying to close a BitBake Python task 127 let line = getline(a:lnum) 128 if line =~ '^\s*}' 129 return -2 130 endif 131 132 " Otherwise ignore the brace 133 let p = 0 134 else 135 if p == plnum 136 " When the start is inside parenthesis, only indent one 'shiftwidth'. 137 let pp = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', 138 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" 139 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" 140 \ . " =~ '\\(Comment\\|Todo\\|String\\)$'", 141 \ searchpair_stopline, searchpair_timeout) 142 if pp > 0 143 return indent(plnum) + (exists("g:pyindent_nested_paren") ? eval(g:pyindent_nested_paren) : shiftwidth()) 144 endif 145 return indent(plnum) + (exists("g:pyindent_open_paren") ? eval(g:pyindent_open_paren) : (shiftwidth() * 2)) 146 endif 147 if plnumstart == p 148 return indent(plnum) 149 endif 150 return plindent 151 endif 152 endif 153 154 endif 155 156 157 " Get the line and remove a trailing comment. 158 " Use syntax highlighting attributes when possible. 159 let pline = getline(plnum) 160 let pline_len = strlen(pline) 161 if has('syntax_items') 162 " If the last character in the line is a comment, do a binary search for 163 " the start of the comment. synID() is slow, a linear search would take 164 " too long on a long line. 165 if synIDattr(synID(plnum, pline_len, 1), "name") =~ "\\(Comment\\|Todo\\)$" 166 let min = 1 167 let max = pline_len 168 while min < max 169 let col = (min + max) / 2 170 if synIDattr(synID(plnum, col, 1), "name") =~ "\\(Comment\\|Todo\\)$" 171 let max = col 172 else 173 let min = col + 1 174 endif 175 endwhile 176 let pline = strpart(pline, 0, min - 1) 177 endif 178 else 179 let col = 0 180 while col < pline_len 181 if pline[col] == '#' 182 let pline = strpart(pline, 0, col) 183 break 184 endif 185 let col = col + 1 186 endwhile 187 endif 188 189 " If the previous line ended with a colon, indent this line 190 if pline =~ ':\s*$' 191 return plindent + shiftwidth() 192 endif 193 194 " If the previous line was a stop-execution statement... 195 " TODO: utilize this logic to deindent when ending a bbPyDefRegion 196 if getline(plnum) =~ '^\s*\(break\|continue\|raise\|return\|pass\|bb\.fatal\)\>' 197 " See if the user has already dedented 198 if indent(a:lnum) > indent(plnum) - shiftwidth() 199 " If not, recommend one dedent 200 return indent(plnum) - shiftwidth() 201 endif 202 " Otherwise, trust the user 203 return -1 204 endif 205 206 " If the current line begins with a keyword that lines up with "try" 207 if getline(a:lnum) =~ '^\s*\(except\|finally\)\>' 208 let lnum = a:lnum - 1 209 while lnum >= 1 210 if getline(lnum) =~ '^\s*\(try\|except\)\>' 211 let ind = indent(lnum) 212 if ind >= indent(a:lnum) 213 return -1 " indent is already less than this 214 endif 215 return ind " line up with previous try or except 216 endif 217 let lnum = lnum - 1 218 endwhile 219 return -1 " no matching "try"! 220 endif 221 222 " If the current line begins with a header keyword, dedent 223 if getline(a:lnum) =~ '^\s*\(elif\|else\)\>' 224 225 " Unless the previous line was a one-liner 226 if getline(plnumstart) =~ '^\s*\(for\|if\|try\)\>' 227 return plindent 228 endif 229 230 " Or the user has already dedented 231 if indent(a:lnum) <= plindent - shiftwidth() 232 return -1 233 endif 234 235 return plindent - shiftwidth() 236 endif 237 238 " When after a () construct we probably want to go back to the start line. 239 " a = (b 240 " + c) 241 " here 242 if parlnum > 0 243 return plindent 244 endif 245 246 return -1 247 248endfunction 249 250let &cpo = s:keepcpo 251unlet s:keepcpo 252 253""" end of stuff from indent/python.vim 254 255 256let b:did_indent = 1 257setlocal indentkeys+=0\" 258 259 260function! BitbakeIndent(lnum) 261 if !has('syntax_items') 262 return -1 263 endif 264 265 let stack = synstack(a:lnum, 1) 266 if len(stack) == 0 267 return -1 268 endif 269 270 let name = synIDattr(stack[0], "name") 271 272 " TODO: support different styles of indentation for assignments. For now, 273 " we only support like this: 274 " VAR = " \ 275 " value1 \ 276 " value2 \ 277 " " 278 " 279 " i.e. each value indented by shiftwidth(), with the final quote " completely unindented. 280 if name == "bbVarValue" 281 " Quote handling is tricky. kernel.bbclass has this line for instance: 282 " EXTRA_OEMAKE = " HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" " HOSTCPP="${BUILD_CPP}"" 283 " Instead of trying to handle crazy cases like that, just assume that a 284 " double-quote on a line by itself (following an assignment) means the 285 " user is closing the assignment, and de-dent. 286 if getline(a:lnum) =~ '^\s*"$' 287 return 0 288 endif 289 290 let prevstack = synstack(a:lnum - 1, 1) 291 if len(prevstack) == 0 292 return -1 293 endif 294 295 let prevname = synIDattr(prevstack[0], "name") 296 297 " Only indent if there was actually a continuation character on 298 " the previous line, to avoid misleading indentation. 299 let prevlinelastchar = synIDattr(synID(a:lnum - 1, col([a:lnum - 1, "$"]) - 1, 1), "name") 300 let prev_continued = prevlinelastchar == "bbContinue" 301 302 " Did the previous line introduce an assignment? 303 if index(["bbVarDef", "bbVarFlagDef"], prevname) != -1 304 if prev_continued 305 return shiftwidth() 306 endif 307 endif 308 309 if !prev_continued 310 return 0 311 endif 312 313 " Autoindent can take it from here 314 return -1 315 endif 316 317 if index(["bbPyDefRegion", "bbPyFuncRegion"], name) != -1 318 let ret = GetBBPythonIndent(a:lnum) 319 " Should normally always be indented by at least one shiftwidth; but allow 320 " return of -1 (defer to autoindent) or -2 (force indent to 0) 321 if ret == 0 322 return shiftwidth() 323 elseif ret == -2 324 return 0 325 endif 326 return ret 327 endif 328 329 " TODO: GetShIndent doesn't detect tasks prepended with 'fakeroot' 330 " Need to submit a patch upstream to Vim to provide an extension point. 331 " Unlike the Python indenter, the Sh indenter is way too large to copy and 332 " modify here. 333 if name == "bbShFuncRegion" 334 return GetShIndent() 335 endif 336 337 " TODO: 338 " + heuristics for de-denting out of a bbPyDefRegion? e.g. when the user 339 " types an obvious BB keyword like addhandler or addtask, or starts 340 " writing a shell task. Maybe too hard to implement... 341 342 return -1 343endfunction 344