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29450
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1 " Support for bitbake indenting, see runtime/indent/bitbake.vim
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2
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3 function s:is_bb_python_func_def(lnum)
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4 let stack = synstack(a:lnum, 1)
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5 if len(stack) == 0
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6 return 0
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7 endif
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8
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9 return synIDattr(stack[0], "name") == "bbPyFuncDef"
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10 endfunction
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11
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12 function bitbake#Indent(lnum)
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13 if !has('syntax_items')
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14 return -1
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15 endif
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16
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17 let stack = synstack(a:lnum, 1)
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18 if len(stack) == 0
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19 return -1
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20 endif
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21
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22 let name = synIDattr(stack[0], "name")
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23
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24 " TODO: support different styles of indentation for assignments. For now,
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25 " we only support like this:
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26 " VAR = " \
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27 " value1 \
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28 " value2 \
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29 " "
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30 "
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31 " i.e. each value indented by shiftwidth(), with the final quote " completely unindented.
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32 if name == "bbVarValue"
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33 " Quote handling is tricky. kernel.bbclass has this line for instance:
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34 " EXTRA_OEMAKE = " HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" " HOSTCPP="${BUILD_CPP}""
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35 " Instead of trying to handle crazy cases like that, just assume that a
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36 " double-quote on a line by itself (following an assignment) means the
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37 " user is closing the assignment, and de-dent.
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38 if getline(a:lnum) =~ '^\s*"$'
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39 return 0
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40 endif
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41
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42 let prevstack = synstack(a:lnum - 1, 1)
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43 if len(prevstack) == 0
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44 return -1
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45 endif
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46
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47 let prevname = synIDattr(prevstack[0], "name")
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48
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49 " Only indent if there was actually a continuation character on
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50 " the previous line, to avoid misleading indentation.
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51 let prevlinelastchar = synIDattr(synID(a:lnum - 1, col([a:lnum - 1, "$"]) - 1, 1), "name")
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52 let prev_continued = prevlinelastchar == "bbContinue"
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53
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54 " Did the previous line introduce an assignment?
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55 if index(["bbVarDef", "bbVarFlagDef"], prevname) != -1
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56 if prev_continued
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57 return shiftwidth()
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58 endif
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59 endif
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60
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61 if !prev_continued
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62 return 0
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63 endif
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64
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65 " Autoindent can take it from here
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66 return -1
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67 endif
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68
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69 if index(["bbPyDefRegion", "bbPyFuncRegion"], name) != -1
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70 let ret = python#GetIndent(a:lnum, function('s:is_bb_python_func_def'))
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71 " Should normally always be indented by at least one shiftwidth; but allow
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72 " return of -1 (defer to autoindent) or -2 (force indent to 0)
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73 if ret == 0
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74 return shiftwidth()
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75 elseif ret == -2
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76 return 0
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77 endif
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78 return ret
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79 endif
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80
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81 " TODO: GetShIndent doesn't detect tasks prepended with 'fakeroot'
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82 " Need to submit a patch upstream to Vim to provide an extension point.
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83 " Unlike the Python indenter, the Sh indenter is way too large to copy and
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84 " modify here.
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85 if name == "bbShFuncRegion"
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86 return GetShIndent()
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87 endif
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88
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89 " TODO:
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90 " + heuristics for de-denting out of a bbPyDefRegion? e.g. when the user
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91 " types an obvious BB keyword like addhandler or addtask, or starts
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92 " writing a shell task. Maybe too hard to implement...
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93
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94 return -1
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95 endfunction
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