annotate runtime/indent/dylan.vim @ 26406:fcc57227e99b v8.2.3734

patch 8.2.3734: Vim9: crash when no pattern match found Commit: https://github.com/vim/vim/commit/01a4dcbceefa99696bd1ef8631c3f7ce9f6e0cc2 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Dec 4 13:15:10 2021 +0000 patch 8.2.3734: Vim9: crash when no pattern match found Problem: Vim9: crash when no pattern match found. Solution: Check for error.
author Bram Moolenaar <Bram@vim.org>
date Sat, 04 Dec 2021 14:30:03 +0100
parents 9c221ad9634a
children 6dd88e45d47d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Vim indent file
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2 " Language: Dylan
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3 " Maintainer: Brent A. Fulgham <bfulgham@debian.org> (Invalid email address)
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4 " Doug Kearns <dougkearns@gmail.com>
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5 " Version: 0.01
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6 " Last Change: 2017 Jun 13
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8 " Only load this indent file when no other was loaded.
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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 indentkeys+==~begin,=~block,=~case,=~cleanup,=~define,=~end,=~else,=~elseif,=~exception,=~for,=~finally,=~if,=~otherwise,=~select,=~unless,=~while
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15
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16 " Define the appropriate indent function but only once
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17 setlocal indentexpr=DylanGetIndent()
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18 if exists("*DylanGetIndent")
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19 finish
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20 endif
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21
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22 function DylanGetIndent()
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23 " Get the line to be indented
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24 let cline = getline(v:lnum)
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25
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26 " Don't reindent comments on first column
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27 if cline =~ '^/\[/\*]'
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28 return 0
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29 endif
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30
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31 "Find the previous non-blank line
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32 let lnum = prevnonblank(v:lnum - 1)
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33 "Use zero indent at the top of the file
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34 if lnum == 0
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35 return 0
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36 endif
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37
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38 let prevline=getline(lnum)
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39 let ind = indent(lnum)
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40 let chg = 0
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41
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42 " If previous line was a comment, use its indent
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43 if prevline =~ '^\s*//'
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44 return ind
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45 endif
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46
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47 " If previous line was a 'define', indent
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48 if prevline =~? '\(^\s*\(begin\|block\|case\|define\|else\|elseif\|for\|finally\|if\|select\|unless\|while\)\|\s*\S*\s*=>$\)'
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49 let chg = shiftwidth()
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50 " local methods indent the shift-width, plus 6 for the 'local'
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51 elseif prevline =~? '^\s*local'
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52 let chg = shiftwidth() + 6
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53 " If previous line was a let with no closing semicolon, indent
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54 elseif prevline =~? '^\s*let.*[^;]\s*$'
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55 let chg = shiftwidth()
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56 " If previous line opened a parenthesis, and did not close it, indent
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57 elseif prevline =~ '^.*(\s*[^)]*\((.*)\)*[^)]*$'
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58 return = match( prevline, '(.*\((.*)\|[^)]\)*.*$') + 1
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59 "elseif prevline =~ '^.*(\s*[^)]*\((.*)\)*[^)]*$'
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60 elseif prevline =~ '^[^(]*)\s*$'
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61 " This line closes a parenthesis. Find opening
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62 let curr_line = prevnonblank(lnum - 1)
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63 while curr_line >= 0
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64 let str = getline(curr_line)
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65 if str !~ '^.*(\s*[^)]*\((.*)\)*[^)]*$'
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66 let curr_line = prevnonblank(curr_line - 1)
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67 else
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68 break
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69 endif
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70 endwhile
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71 if curr_line < 0
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72 return -1
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73 endif
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74 let ind = indent(curr_line)
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75 " Although we found the closing parenthesis, make sure this
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76 " line doesn't start with an indentable command:
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77 let curr_str = getline(curr_line)
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78 if curr_str =~? '^\s*\(begin\|block\|case\|define\|else\|elseif\|for\|finally\|if\|select\|unless\|while\)'
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79 let chg = shiftwidth()
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80 endif
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81 endif
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82
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83 " If a line starts with end, un-indent (even if we just indented!)
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84 if cline =~? '^\s*\(cleanup\|end\|else\|elseif\|exception\|finally\|otherwise\)'
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85 let chg = chg - shiftwidth()
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86 endif
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87
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88 return ind + chg
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89 endfunction
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90
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91 " vim:sw=2 tw=130