annotate runtime/indent/css.vim @ 33791:370543108ba1 v9.0.2114

patch 9.0.2114: overflow detection not accurate when adding digits Commit: https://github.com/vim/vim/commit/22cbc8a4e17ce61aa460c451a26e1bff2c3d2af9 Author: Christian Brabandt <cb@256bit.org> Date: Sun Nov 19 10:47:21 2023 +0100 patch 9.0.2114: overflow detection not accurate when adding digits Problem: overflow detection not accurate when adding digits Solution: Use a helper function Use a helper function to better detect overflows before adding integer digits to a long or an integer variable respectively. Signal the overflow to the caller function. closes: #13539 Signed-off-by: Christian Brabandt <cb@256bit.org> Signed-off-by: Michael Henry <vim@drmikehenry.com> Signed-off-by: Ernie Rael <errael@raelity.com>
author Christian Brabandt <cb@256bit.org>
date Sun, 19 Nov 2023 11:00:07 +0100
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children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 " Vim indent file
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2 " Language: CSS
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3 " Maintainer: Doug Kearns <dougkearns@gmail.com>
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4 " Previous Maintainer: Nikolai Weibull <now@bitwi.se>
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5 " Last Change: 24 Sep 2021
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6
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7 " Use of shiftwidth() added by Oleg Zubchenko.
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8
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9 if exists("b:did_indent")
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10 finish
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11 endif
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12 let b:did_indent = 1
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13
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14 setlocal indentexpr=GetCSSIndent()
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15 setlocal indentkeys=0{,0},!^F,o,O
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16 setlocal nosmartindent
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17
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18 let b:undo_indent = "setl inde< indk< si<"
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19
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20 if exists("*GetCSSIndent")
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21 finish
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22 endif
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23 let s:keepcpo= &cpo
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24 set cpo&vim
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25
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26 function s:prevnonblanknoncomment(lnum)
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27 let lnum = a:lnum
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28 while lnum > 1
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29 let lnum = prevnonblank(lnum)
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30 let line = getline(lnum)
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31 if line =~ '\*/'
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32 while lnum > 1 && line !~ '/\*'
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33 let lnum -= 1
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34 endwhile
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35 if line =~ '^\s*/\*'
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36 let lnum -= 1
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37 else
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38 break
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39 endif
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40 else
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41 break
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42 endif
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43 endwhile
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44 return lnum
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45 endfunction
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46
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47 function s:count_braces(lnum, count_open)
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48 let n_open = 0
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49 let n_close = 0
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50 let line = getline(a:lnum)
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51 let pattern = '[{}]'
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52 let i = match(line, pattern)
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53 while i != -1
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54 if synIDattr(synID(a:lnum, i + 1, 0), 'name') !~ 'css\%(Comment\|StringQ\{1,2}\)'
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55 if line[i] == '{'
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56 let n_open += 1
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57 elseif line[i] == '}'
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58 if n_open > 0
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59 let n_open -= 1
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60 else
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61 let n_close += 1
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62 endif
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63 endif
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64 endif
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65 let i = match(line, pattern, i + 1)
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66 endwhile
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67 return a:count_open ? n_open : n_close
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68 endfunction
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69
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70 function GetCSSIndent()
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71 let line = getline(v:lnum)
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72 if line =~ '^\s*\*'
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73 return cindent(v:lnum)
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74 endif
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75
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76 let pnum = s:prevnonblanknoncomment(v:lnum - 1)
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77 if pnum == 0
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78 return 0
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79 endif
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80
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81 return indent(pnum) + s:count_braces(pnum, 1) * shiftwidth()
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82 \ - s:count_braces(v:lnum, 0) * shiftwidth()
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83 endfunction
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85 let &cpo = s:keepcpo
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86 unlet s:keepcpo