annotate runtime/indent/perl.vim @ 20502:f28a49da879d v8.2.0805

patch 8.2.0805: terminal key codes test fails on some systems Commit: https://github.com/vim/vim/commit/fe81389d606ae79415d208207295f41a4375c580 Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 21 20:38:31 2020 +0200 patch 8.2.0805: terminal key codes test fails on some systems Problem: Terminal key codes test fails on some systems. Solution: Skip keypad 3 and 9. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/6070)
author Bram Moolenaar <Bram@vim.org>
date Thu, 21 May 2020 20:45:03 +0200
parents bd021eb62e73
children d1fe80fb35e6
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: Perl 5
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3 " Maintainer: vim-perl <vim-perl@googlegroups.com>
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4 " Homepage: https://github.com/vim-perl/vim-perl
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5 " Bugs/requests: https://github.com/vim-perl/vim-perl/issues
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6 " Last Change: 2020 Apr 15
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8 " Suggestions and improvements by :
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9 " Aaron J. Sherman (use syntax for hints)
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10 " Artem Chuprina (play nice with folding)
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11
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12 " TODO things that are not or not properly indented (yet) :
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13 " - Continued statements
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14 " print "foo",
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15 " "bar";
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16 " print "foo"
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17 " if bar();
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18 " - Multiline regular expressions (m//x)
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19 " (The following probably needs modifying the perl syntax file)
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20 " - qw() lists
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21 " - Heredocs with terminators that don't match \I\i*
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22
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23 " Only load this indent file when no other was loaded.
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24 if exists("b:did_indent")
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25 finish
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26 endif
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27 let b:did_indent = 1
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28
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29 " Is syntax highlighting active ?
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30 let b:indent_use_syntax = has("syntax")
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31
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32 setlocal indentexpr=GetPerlIndent()
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33 setlocal indentkeys+=0=,0),0],0=or,0=and
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34 if !b:indent_use_syntax
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35 setlocal indentkeys+=0=EO
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36 endif
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37
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38 let s:cpo_save = &cpo
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39 set cpo-=C
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40
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41 function! GetPerlIndent()
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42
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43 " Get the line to be indented
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44 let cline = getline(v:lnum)
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45
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46 " Indent POD markers to column 0
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47 if cline =~ '^\s*=\L\@!'
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48 return 0
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49 endif
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50
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51 " Get current syntax item at the line's first char
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52 let csynid = ''
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53 if b:indent_use_syntax
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54 let csynid = synIDattr(synID(v:lnum,1,0),"name")
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55 endif
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56
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57 " Don't reindent POD and heredocs
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58 if csynid == "perlPOD" || csynid == "perlHereDoc" || csynid =~ "^pod"
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59 return indent(v:lnum)
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60 endif
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61
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62 " Indent end-of-heredocs markers to column 0
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63 if b:indent_use_syntax
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64 " Assumes that an end-of-heredoc marker matches \I\i* to avoid
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65 " confusion with other types of strings
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66 if csynid == "perlStringStartEnd" && cline =~ '^\I\i*$'
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67 return 0
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68 endif
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69 else
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70 " Without syntax hints, assume that end-of-heredocs markers begin with EO
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71 if cline =~ '^\s*EO'
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72 return 0
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73 endif
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74 endif
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75
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76 " Now get the indent of the previous perl line.
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77
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78 " Find a non-blank line above the current line.
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79 let lnum = prevnonblank(v:lnum - 1)
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80 " Hit the start of the file, use zero indent.
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81 if lnum == 0
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82 return 0
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83 endif
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84 let line = getline(lnum)
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85 let ind = indent(lnum)
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86 " Skip heredocs, POD, and comments on 1st column
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87 if b:indent_use_syntax
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88 let skippin = 2
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89 while skippin
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90 let synid = synIDattr(synID(lnum,1,0),"name")
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91 if (synid == "perlStringStartEnd" && line =~ '^\I\i*$')
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92 \ || (skippin != 2 && synid == "perlPOD")
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93 \ || (skippin != 2 && synid == "perlHereDoc")
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94 \ || synid == "perlComment"
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95 \ || synid =~ "^pod"
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96 let lnum = prevnonblank(lnum - 1)
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97 if lnum == 0
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98 return 0
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99 endif
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100 let line = getline(lnum)
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101 let ind = indent(lnum)
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102 let skippin = 1
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103 else
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104 let skippin = 0
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105 endif
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106 endwhile
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107 else
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108 if line =~ "^EO"
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109 let lnum = search("<<[\"']\\=EO", "bW")
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110 let line = getline(lnum)
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111 let ind = indent(lnum)
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112 endif
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113 endif
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114
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115 " Indent blocks enclosed by {}, (), or []
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116 if b:indent_use_syntax
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117 " Find a real opening brace
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118 " NOTE: Unlike Perl character classes, we do NOT need to escape the
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119 " closing brackets with a backslash. Doing so just puts a backslash
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120 " in the character class and causes sorrow. Instead, put the closing
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121 " bracket as the first character in the class.
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122 let braceclass = '[][(){}]'
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123 let bracepos = match(line, braceclass, matchend(line, '^\s*[])}]'))
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124 while bracepos != -1
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125 let synid = synIDattr(synID(lnum, bracepos + 1, 0), "name")
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126 " If the brace is highlighted in one of those groups, indent it.
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127 " 'perlHereDoc' is here only to handle the case '&foo(<<EOF)'.
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128 if synid == ""
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129 \ || synid == "perlMatchStartEnd"
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130 \ || synid == "perlHereDoc"
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131 \ || synid == "perlBraces"
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132 \ || synid == "perlStatementIndirObj"
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133 \ || synid =~ "^perlFiledescStatement"
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134 \ || synid =~ '^perl\(Sub\|Block\|Package\)Fold'
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135 let brace = strpart(line, bracepos, 1)
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136 if brace == '(' || brace == '{' || brace == '['
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137 let ind = ind + shiftwidth()
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138 else
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139 let ind = ind - shiftwidth()
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140 endif
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141 endif
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142 let bracepos = match(line, braceclass, bracepos + 1)
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143 endwhile
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144 let bracepos = matchend(cline, '^\s*[])}]')
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145 if bracepos != -1
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146 let synid = synIDattr(synID(v:lnum, bracepos, 0), "name")
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147 if synid == ""
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148 \ || synid == "perlMatchStartEnd"
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149 \ || synid == "perlBraces"
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150 \ || synid == "perlStatementIndirObj"
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151 \ || synid =~ '^perl\(Sub\|Block\|Package\)Fold'
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152 let ind = ind - shiftwidth()
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153 endif
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154 endif
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155 else
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156 if line =~ '[{[(]\s*\(#[^])}]*\)\=$'
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157 let ind = ind + shiftwidth()
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158 endif
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159 if cline =~ '^\s*[])}]'
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160 let ind = ind - shiftwidth()
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161 endif
7
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162 endif
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163
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164 " Indent lines that begin with 'or' or 'and'
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165 if cline =~ '^\s*\(or\|and\)\>'
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166 if line !~ '^\s*\(or\|and\)\>'
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167 let ind = ind + shiftwidth()
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168 endif
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169 elseif line =~ '^\s*\(or\|and\)\>'
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170 let ind = ind - shiftwidth()
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171 endif
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172
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173 return ind
7
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174
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175 endfunction
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176
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177 let &cpo = s:cpo_save
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178 unlet s:cpo_save
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179
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180 " vim:ts=8:sts=4:sw=4:expandtab:ft=vim