344 lines
10 KiB
VimL
344 lines
10 KiB
VimL
" Vim indent file
|
|
" Language: BitBake
|
|
" Copyright: Copyright (C) 2019 Agilent Technologies, Inc.
|
|
" Maintainer: Chris Laplante <chris.laplante@agilent.com>
|
|
" License: You may redistribute this under the same terms as Vim itself
|
|
|
|
|
|
if exists("b:did_indent")
|
|
finish
|
|
endif
|
|
|
|
if exists("*BitbakeIndent")
|
|
finish
|
|
endif
|
|
|
|
runtime! indent/sh.vim
|
|
unlet b:did_indent
|
|
|
|
setlocal indentexpr=BitbakeIndent(v:lnum)
|
|
setlocal autoindent nolisp
|
|
|
|
function s:is_bb_python_func_def(lnum)
|
|
let stack = synstack(a:lnum, 1)
|
|
if len(stack) == 0
|
|
return 0
|
|
endif
|
|
|
|
let top = synIDattr(stack[0], "name")
|
|
echo top
|
|
|
|
return synIDattr(stack[0], "name") == "bbPyFuncDef"
|
|
endfunction
|
|
|
|
"""" begin modified from indent/python.vim, upstream commit 7a9bd7c1e0ce1baf5a02daf36eeae3638aa315c7
|
|
"""" This copied code is licensed the same as Vim itself.
|
|
setlocal indentkeys+=<:>,=elif,=except
|
|
|
|
let s:keepcpo= &cpo
|
|
set cpo&vim
|
|
|
|
let s:maxoff = 50 " maximum number of lines to look backwards for ()
|
|
|
|
function GetPythonIndent(lnum)
|
|
|
|
" If this line is explicitly joined: If the previous line was also joined,
|
|
" line it up with that one, otherwise add two 'shiftwidth'
|
|
if getline(a:lnum - 1) =~ '\\$'
|
|
if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$'
|
|
return indent(a:lnum - 1)
|
|
endif
|
|
return indent(a:lnum - 1) + (exists("g:pyindent_continue") ? eval(g:pyindent_continue) : (shiftwidth() * 2))
|
|
endif
|
|
|
|
" If the start of the line is in a string don't change the indent.
|
|
if has('syntax_items')
|
|
\ && synIDattr(synID(a:lnum, 1, 1), "name") =~ "String$"
|
|
return -1
|
|
endif
|
|
|
|
" Search backwards for the previous non-empty line.
|
|
let plnum = prevnonblank(v:lnum - 1)
|
|
|
|
if plnum == 0
|
|
" This is the first non-empty line, use zero indent.
|
|
return 0
|
|
endif
|
|
|
|
call cursor(plnum, 1)
|
|
|
|
" Identing inside parentheses can be very slow, regardless of the searchpair()
|
|
" timeout, so let the user disable this feature if he doesn't need it
|
|
let disable_parentheses_indenting = get(g:, "pyindent_disable_parentheses_indenting", 0)
|
|
|
|
if disable_parentheses_indenting == 1
|
|
let plindent = indent(plnum)
|
|
let plnumstart = plnum
|
|
else
|
|
" searchpair() can be slow sometimes, limit the time to 150 msec or what is
|
|
" put in g:pyindent_searchpair_timeout
|
|
let searchpair_stopline = 0
|
|
let searchpair_timeout = get(g:, 'pyindent_searchpair_timeout', 150)
|
|
|
|
" If the previous line is inside parenthesis, use the indent of the starting
|
|
" line.
|
|
" Trick: use the non-existing "dummy" variable to break out of the loop when
|
|
" going too far back.
|
|
let parlnum = searchpair('(\|{\|\[', '', ')\|}\|\]', 'nbW',
|
|
\ "line('.') < " . (plnum - s:maxoff) . " ? dummy :"
|
|
\ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
|
|
\ . " =~ '\\(Comment\\|Todo\\|String\\)$'",
|
|
\ searchpair_stopline, searchpair_timeout)
|
|
if parlnum > 0
|
|
" We may have found the opening brace of a BitBake Python task, e.g. 'python do_task {'
|
|
" If so, ignore it here - it will be handled later.
|
|
if s:is_bb_python_func_def(parlnum)
|
|
let parlnum = 0
|
|
let plindent = indent(plnum)
|
|
let plnumstart = plnum
|
|
else
|
|
let plindent = indent(parlnum)
|
|
let plnumstart = parlnum
|
|
endif
|
|
else
|
|
let plindent = indent(plnum)
|
|
let plnumstart = plnum
|
|
endif
|
|
|
|
" When inside parenthesis: If at the first line below the parenthesis add
|
|
" two 'shiftwidth', otherwise same as previous line.
|
|
" i = (a
|
|
" + b
|
|
" + c)
|
|
call cursor(a:lnum, 1)
|
|
let p = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW',
|
|
\ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :"
|
|
\ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
|
|
\ . " =~ '\\(Comment\\|Todo\\|String\\)$'",
|
|
\ searchpair_stopline, searchpair_timeout)
|
|
if p > 0
|
|
if s:is_bb_python_func_def(p)
|
|
" Handle first non-empty line inside a BB Python task
|
|
if p == plnum
|
|
return shiftwidth()
|
|
endif
|
|
|
|
" Handle the user actually trying to close a BitBake Python task
|
|
let line = getline(a:lnum)
|
|
if line =~ '^\s*}'
|
|
return -2
|
|
endif
|
|
|
|
" Otherwise ignore the brace
|
|
let p = 0
|
|
else
|
|
if p == plnum
|
|
" When the start is inside parenthesis, only indent one 'shiftwidth'.
|
|
let pp = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW',
|
|
\ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :"
|
|
\ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
|
|
\ . " =~ '\\(Comment\\|Todo\\|String\\)$'",
|
|
\ searchpair_stopline, searchpair_timeout)
|
|
if pp > 0
|
|
return indent(plnum) + (exists("g:pyindent_nested_paren") ? eval(g:pyindent_nested_paren) : shiftwidth())
|
|
endif
|
|
return indent(plnum) + (exists("g:pyindent_open_paren") ? eval(g:pyindent_open_paren) : (shiftwidth() * 2))
|
|
endif
|
|
if plnumstart == p
|
|
return indent(plnum)
|
|
endif
|
|
return plindent
|
|
endif
|
|
endif
|
|
|
|
endif
|
|
|
|
|
|
" Get the line and remove a trailing comment.
|
|
" Use syntax highlighting attributes when possible.
|
|
let pline = getline(plnum)
|
|
let pline_len = strlen(pline)
|
|
if has('syntax_items')
|
|
" If the last character in the line is a comment, do a binary search for
|
|
" the start of the comment. synID() is slow, a linear search would take
|
|
" too long on a long line.
|
|
if synIDattr(synID(plnum, pline_len, 1), "name") =~ "\\(Comment\\|Todo\\)$"
|
|
let min = 1
|
|
let max = pline_len
|
|
while min < max
|
|
let col = (min + max) / 2
|
|
if synIDattr(synID(plnum, col, 1), "name") =~ "\\(Comment\\|Todo\\)$"
|
|
let max = col
|
|
else
|
|
let min = col + 1
|
|
endif
|
|
endwhile
|
|
let pline = strpart(pline, 0, min - 1)
|
|
endif
|
|
else
|
|
let col = 0
|
|
while col < pline_len
|
|
if pline[col] == '#'
|
|
let pline = strpart(pline, 0, col)
|
|
break
|
|
endif
|
|
let col = col + 1
|
|
endwhile
|
|
endif
|
|
|
|
" If the previous line ended with a colon, indent this line
|
|
if pline =~ ':\s*$'
|
|
return plindent + shiftwidth()
|
|
endif
|
|
|
|
" If the previous line was a stop-execution statement...
|
|
" TODO: utilize this logic to deindent when ending a bbPyDefRegion
|
|
if getline(plnum) =~ '^\s*\(break\|continue\|raise\|return\|pass\|bb\.fatal\)\>'
|
|
" See if the user has already dedented
|
|
if indent(a:lnum) > indent(plnum) - shiftwidth()
|
|
" If not, recommend one dedent
|
|
return indent(plnum) - shiftwidth()
|
|
endif
|
|
" Otherwise, trust the user
|
|
return -1
|
|
endif
|
|
|
|
" If the current line begins with a keyword that lines up with "try"
|
|
if getline(a:lnum) =~ '^\s*\(except\|finally\)\>'
|
|
let lnum = a:lnum - 1
|
|
while lnum >= 1
|
|
if getline(lnum) =~ '^\s*\(try\|except\)\>'
|
|
let ind = indent(lnum)
|
|
if ind >= indent(a:lnum)
|
|
return -1 " indent is already less than this
|
|
endif
|
|
return ind " line up with previous try or except
|
|
endif
|
|
let lnum = lnum - 1
|
|
endwhile
|
|
return -1 " no matching "try"!
|
|
endif
|
|
|
|
" If the current line begins with a header keyword, dedent
|
|
if getline(a:lnum) =~ '^\s*\(elif\|else\)\>'
|
|
|
|
" Unless the previous line was a one-liner
|
|
if getline(plnumstart) =~ '^\s*\(for\|if\|try\)\>'
|
|
return plindent
|
|
endif
|
|
|
|
" Or the user has already dedented
|
|
if indent(a:lnum) <= plindent - shiftwidth()
|
|
return -1
|
|
endif
|
|
|
|
return plindent - shiftwidth()
|
|
endif
|
|
|
|
" When after a () construct we probably want to go back to the start line.
|
|
" a = (b
|
|
" + c)
|
|
" here
|
|
if parlnum > 0
|
|
return plindent
|
|
endif
|
|
|
|
return -1
|
|
|
|
endfunction
|
|
|
|
let &cpo = s:keepcpo
|
|
unlet s:keepcpo
|
|
|
|
""" end of stuff from indent/python.vim
|
|
|
|
|
|
let b:did_indent = 1
|
|
setlocal indentkeys+=0\"
|
|
|
|
|
|
function BitbakeIndent(lnum)
|
|
if !has('syntax_items')
|
|
return -1
|
|
endif
|
|
|
|
let stack = synstack(a:lnum, 1)
|
|
if len(stack) == 0
|
|
return -1
|
|
endif
|
|
|
|
let name = synIDattr(stack[0], "name")
|
|
|
|
" TODO: support different styles of indentation for assignments. For now,
|
|
" we only support like this:
|
|
" VAR = " \
|
|
" value1 \
|
|
" value2 \
|
|
" "
|
|
"
|
|
" i.e. each value indented by shiftwidth(), with the final quote " completely unindented.
|
|
if name == "bbVarValue"
|
|
" Quote handling is tricky. kernel.bbclass has this line for instance:
|
|
" EXTRA_OEMAKE = " HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" " HOSTCPP="${BUILD_CPP}""
|
|
" Instead of trying to handle crazy cases like that, just assume that a
|
|
" double-quote on a line by itself (following an assignment) means the
|
|
" user is closing the assignment, and de-dent.
|
|
if getline(a:lnum) =~ '^\s*"$'
|
|
return 0
|
|
endif
|
|
|
|
let prevstack = synstack(a:lnum - 1, 1)
|
|
if len(prevstack) == 0
|
|
return -1
|
|
endif
|
|
|
|
let prevname = synIDattr(prevstack[0], "name")
|
|
|
|
" Only indent if there was actually a continuation character on
|
|
" the previous line, to avoid misleading indentation.
|
|
let prevlinelastchar = synIDattr(synID(a:lnum - 1, col([a:lnum - 1, "$"]) - 1, 1), "name")
|
|
let prev_continued = prevlinelastchar == "bbContinue"
|
|
|
|
" Did the previous line introduce an assignment?
|
|
if index(["bbVarDef", "bbVarFlagDef"], prevname) != -1
|
|
if prev_continued
|
|
return shiftwidth()
|
|
endif
|
|
endif
|
|
|
|
if !prev_continued
|
|
return 0
|
|
endif
|
|
|
|
" Autoindent can take it from here
|
|
return -1
|
|
endif
|
|
|
|
if index(["bbPyDefRegion", "bbPyFuncRegion"], name) != -1
|
|
let ret = GetPythonIndent(a:lnum)
|
|
" Should normally always be indented by at least one shiftwidth; but allow
|
|
" return of -1 (defer to autoindent) or -2 (force indent to 0)
|
|
if ret == 0
|
|
return shiftwidth()
|
|
elseif ret == -2
|
|
return 0
|
|
endif
|
|
return ret
|
|
endif
|
|
|
|
" TODO: GetShIndent doesn't detect tasks prepended with 'fakeroot'
|
|
" Need to submit a patch upstream to Vim to provide an extension point.
|
|
" Unlike the Python indenter, the Sh indenter is way too large to copy and
|
|
" modify here.
|
|
if name == "bbShFuncRegion"
|
|
return GetShIndent()
|
|
endif
|
|
|
|
" TODO:
|
|
" + heuristics for de-denting out of a bbPyDefRegion? e.g. when the user
|
|
" types an obvious BB keyword like addhandler or addtask, or starts
|
|
" writing a shell task. Maybe too hard to implement...
|
|
|
|
return -1
|
|
endfunction
|