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" Support for bitbake indenting, see runtime/indent/bitbake.vim
function s:is_bb_python_func_def(lnum)
let stack = synstack(a:lnum, 1)
if len(stack) == 0
return 0
endif
return synIDattr(stack[0], "name") == "bbPyFuncDef"
endfunction
function bitbake#Indent(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 = python#GetIndent(a:lnum, function('s:is_bb_python_func_def'))
" 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
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