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-rw-r--r--runtime/autoload/bitbake.vim95
1 files changed, 95 insertions, 0 deletions
diff --git a/runtime/autoload/bitbake.vim b/runtime/autoload/bitbake.vim
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+++ b/runtime/autoload/bitbake.vim
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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