annotate runtime/indent/cmake.vim @ 34669:fe206762c077

Update README.txt and README.md (#14313) Commit: https://github.com/vim/vim/commit/b75825f749cf87feb9ae8e7e5327bd2efe707c86 Author: Restorer <69863286+RestorerZ@users.noreply.github.com> Date: Thu Mar 28 09:14:47 2024 +0000 Update README.txt and README.md (https://github.com/vim/vim/issues/14313) Signed-off-by: RestorerZ <restorer@mail2k.ru> Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Thu, 28 Mar 2024 10:15:11 +0100
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 " Vim indent file
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2 " Language: CMake (ft=cmake)
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3 " Author: Andy Cedilnik <andy.cedilnik@kitware.com>
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4 " Maintainer: Dimitri Merejkowsky <d.merej@gmail.com>
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5 " Former Maintainer: Karthik Krishnan <karthik.krishnan@kitware.com>
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6 " Last Change: 2023 Dec 12
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7 "
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8 " License: The CMake license applies to this file. See
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9 " https://cmake.org/licensing
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10 " This implies that distribution with Vim is allowed
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11
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12 if exists("b:did_indent")
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13 finish
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14 endif
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15 let b:did_indent = 1
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16
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17 setlocal indentexpr=CMakeGetIndent(v:lnum)
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18 setlocal indentkeys+==ENDIF(,ENDFOREACH(,ENDMACRO(,ELSE(,ELSEIF(,ENDWHILE(
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19
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20 let b:undo_indent = "setl inde< indk<"
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21
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22 " Only define the function once.
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23 if exists("*CMakeGetIndent")
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24 finish
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25 endif
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26 let s:keepcpo= &cpo
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27 set cpo&vim
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28
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29 fun! CMakeGetIndent(lnum)
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30 let this_line = getline(a:lnum)
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31
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32 " Find a non-blank line above the current line.
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33 let lnum = a:lnum
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34 let lnum = prevnonblank(lnum - 1)
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35 let previous_line = getline(lnum)
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36
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37 " Hit the start of the file, use zero indent.
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38 if lnum == 0
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39 return 0
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40 endif
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41
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42 let ind = indent(lnum)
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43
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44 let or = '\|'
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45 " Regular expressions used by line indentation function.
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46 let cmake_regex_comment = '#.*'
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47 let cmake_regex_identifier = '[A-Za-z][A-Za-z0-9_]*'
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48 let cmake_regex_quoted = '"\([^"\\]\|\\.\)*"'
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49 let cmake_regex_arguments = '\(' . cmake_regex_quoted .
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50 \ or . '\$(' . cmake_regex_identifier . ')' .
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51 \ or . '[^()\\#"]' . or . '\\.' . '\)*'
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52
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53 let cmake_indent_comment_line = '^\s*' . cmake_regex_comment
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54 let cmake_indent_blank_regex = '^\s*$'
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55 let cmake_indent_open_regex = '^\s*' . cmake_regex_identifier .
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56 \ '\s*(' . cmake_regex_arguments .
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57 \ '\(' . cmake_regex_comment . '\)\?$'
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58 let cmake_indent_close_regex = '^' . cmake_regex_arguments .
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59 \ ')\s*' .
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60 \ '\(' . cmake_regex_comment . '\)\?$'
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61
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62 let cmake_closing_parens_line = '^\s*\()\+\)\s*$'
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63
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64 let cmake_indent_begin_regex = '^\s*\(BLOCK\|IF\|MACRO\|FOREACH\|ELSE\|ELSEIF\|WHILE\|FUNCTION\)\s*('
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65 let cmake_indent_end_regex = '^\s*\(ENDBLOCK\|ENDIF\|ENDFOREACH\|ENDMACRO\|ELSE\|ELSEIF\|ENDWHILE\|ENDFUNCTION\)\s*('
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66
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67 if this_line =~? cmake_closing_parens_line
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68 if previous_line !~? cmake_indent_open_regex
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69 let ind = ind - shiftwidth()
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70 endif
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71 else
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72 " Add
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73 if previous_line =~? cmake_indent_comment_line " Handle comments
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74 let ind = ind
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75 else
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76 if previous_line =~? cmake_indent_begin_regex
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77 let ind = ind + shiftwidth()
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78 endif
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79 if previous_line =~? cmake_indent_open_regex
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80 let ind = ind + shiftwidth()
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81 endif
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82 endif
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83
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84 " Subtract
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85 if this_line =~? cmake_indent_end_regex
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86 let ind = ind - shiftwidth()
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87 endif
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88 if previous_line !~? cmake_closing_parens_line
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89 if previous_line =~? cmake_indent_close_regex
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90 let ind = ind - shiftwidth()
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91 endif
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92 endif
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93 endif
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94
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95 return ind
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96 endfun
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97
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98 let &cpo = s:keepcpo
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99 unlet s:keepcpo