codekingpro/portable-devtools
114k
1" Vim indent file2" Language: Perl3" Maintainer: vim-perl <vim-perl@googlegroups.com> (need to be subscribed to post)4" Homepage: https://github.com/vim-perl/vim-perl5" Bugs/requests: https://github.com/vim-perl/vim-perl/issues6" License: Vim License (see :help license)7" Last Change: 2022 Jun 148 9" Suggestions and improvements by :10" Aaron J. Sherman (use syntax for hints)11" Artem Chuprina (play nice with folding)12 13" TODO things that are not or not properly indented (yet) :14" - Continued statements15" print "foo",16" "bar";17" print "foo"18" if bar();19" - Multiline regular expressions (m//x)20" (The following probably needs modifying the perl syntax file)21" - qw() lists22" - Heredocs with terminators that don't match \I\i*23 24" Only load this indent file when no other was loaded.25if exists("b:did_indent")26 finish27endif28let b:did_indent = 129 30" Is syntax highlighting active ?31let b:indent_use_syntax = has("syntax")32 33setlocal indentexpr=GetPerlIndent()34setlocal indentkeys+=0=,0),0],0=or,0=and35if !b:indent_use_syntax36 setlocal indentkeys+=0=EO37endif38 39let b:undo_indent = "setl inde< indk<"40 41let s:cpo_save = &cpo42set cpo-=C43 44function! GetPerlIndent()45 46 " Get the line to be indented47 let cline = getline(v:lnum)48 49 " Indent POD markers to column 050 if cline =~ '^\s*=\L\@!'51 return 052 endif53 54 " Get current syntax item at the line's first char55 let csynid = ''56 if b:indent_use_syntax57 let csynid = synIDattr(synID(v:lnum,1,0),"name")58 endif59 60 " Don't reindent POD and heredocs61 if csynid == "perlPOD" || csynid == "perlHereDoc" || csynid =~ "^pod"62 return indent(v:lnum)63 endif64 65 " Indent end-of-heredocs markers to column 066 if b:indent_use_syntax67 " Assumes that an end-of-heredoc marker matches \I\i* to avoid68 " confusion with other types of strings69 if csynid == "perlStringStartEnd" && cline =~ '^\I\i*$'70 return 071 endif72 else73 " Without syntax hints, assume that end-of-heredocs markers begin with EO74 if cline =~ '^\s*EO'75 return 076 endif77 endif78 79 " Now get the indent of the previous perl line.80 81 " Find a non-blank line above the current line.82 let lnum = prevnonblank(v:lnum - 1)83 " Hit the start of the file, use zero indent.84 if lnum == 085 return 086 endif87 let line = getline(lnum)88 let ind = indent(lnum)89 " Skip heredocs, POD, and comments on 1st column90 if b:indent_use_syntax91 let skippin = 292 while skippin93 let synid = synIDattr(synID(lnum,1,0),"name")94 if (synid == "perlStringStartEnd" && line =~ '^\I\i*$')95 \ || (skippin != 2 && synid == "perlPOD")96 \ || (skippin != 2 && synid == "perlHereDoc")97 \ || synid == "perlComment"98 \ || synid =~ "^pod"99 let lnum = prevnonblank(lnum - 1)100 if lnum == 0101 return 0102 endif103 let line = getline(lnum)104 let ind = indent(lnum)105 let skippin = 1106 else107 let skippin = 0108 endif109 endwhile110 else111 if line =~ "^EO"112 let lnum = search("<<[\"']\\=EO", "bW")113 let line = getline(lnum)114 let ind = indent(lnum)115 endif116 endif117 118 " Indent blocks enclosed by {}, (), or []119 if b:indent_use_syntax120 " Find a real opening brace121 " NOTE: Unlike Perl character classes, we do NOT need to escape the122 " closing brackets with a backslash. Doing so just puts a backslash123 " in the character class and causes sorrow. Instead, put the closing124 " bracket as the first character in the class.125 let braceclass = '[][(){}]'126 let bracepos = match(line, braceclass, matchend(line, '^\s*[])}]'))127 while bracepos != -1128 let synid = synIDattr(synID(lnum, bracepos + 1, 0), "name")129 " If the brace is highlighted in one of those groups, indent it.130 " 'perlHereDoc' is here only to handle the case '&foo(<<EOF)'.131 if synid == ""132 \ || synid == "perlMatchStartEnd"133 \ || synid == "perlHereDoc"134 \ || synid == "perlBraces"135 \ || synid == "perlStatementIndirObj"136 \ || synid == "perlSubDeclaration"137 \ || synid =~ "^perlFiledescStatement"138 \ || synid =~ '^perl\(Sub\|Block\|Package\)Fold'139 let brace = strpart(line, bracepos, 1)140 if brace == '(' || brace == '{' || brace == '['141 let ind = ind + shiftwidth()142 else143 let ind = ind - shiftwidth()144 endif145 endif146 let bracepos = match(line, braceclass, bracepos + 1)147 endwhile148 let bracepos = matchend(cline, '^\s*[])}]')149 if bracepos != -1150 let synid = synIDattr(synID(v:lnum, bracepos, 0), "name")151 if synid == ""152 \ || synid == "perlMatchStartEnd"153 \ || synid == "perlBraces"154 \ || synid == "perlStatementIndirObj"155 \ || synid =~ '^perl\(Sub\|Block\|Package\)Fold'156 let ind = ind - shiftwidth()157 endif158 endif159 else160 if line =~ '[{[(]\s*\(#[^])}]*\)\=$'161 let ind = ind + shiftwidth()162 endif163 if cline =~ '^\s*[])}]'164 let ind = ind - shiftwidth()165 endif166 endif167 168 " Indent lines that begin with 'or' or 'and'169 if cline =~ '^\s*\(or\|and\)\>'170 if line !~ '^\s*\(or\|and\)\>'171 let ind = ind + shiftwidth()172 endif173 elseif line =~ '^\s*\(or\|and\)\>'174 let ind = ind - shiftwidth()175 endif176 177 return ind178 179endfunction180 181let &cpo = s:cpo_save182unlet s:cpo_save183 184" vim:ts=8:sts=4:sw=4:expandtab:ft=vim185 