mirror of
https://github.com/neovim/neovim.git
synced 2025-09-07 11:58:17 +00:00
Christian Clason
@@ -1,180 +1,109 @@
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" Vim indent file
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" Language: Perl 5
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" Language: Perl
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" Maintainer: vim-perl <vim-perl@googlegroups.com>
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" Homepage: https://github.com/vim-perl/vim-perl
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" Bugs/requests: https://github.com/vim-perl/vim-perl/issues
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" Last Change: 2020 Apr 15
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" License: Vim License (see :help license)
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" Last Change: 2021 Sep 24
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" Suggestions and improvements by :
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" Aaron J. Sherman (use syntax for hints)
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" Artem Chuprina (play nice with folding)
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if exists("b:did_ftplugin") | finish | endif
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let b:did_ftplugin = 1
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" TODO things that are not or not properly indented (yet) :
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" - Continued statements
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" print "foo",
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" "bar";
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" print "foo"
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" if bar();
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" - Multiline regular expressions (m//x)
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" (The following probably needs modifying the perl syntax file)
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" - qw() lists
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" - Heredocs with terminators that don't match \I\i*
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" Only load this indent file when no other was loaded.
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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" Is syntax highlighting active ?
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let b:indent_use_syntax = has("syntax")
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setlocal indentexpr=GetPerlIndent()
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setlocal indentkeys+=0=,0),0],0=or,0=and
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if !b:indent_use_syntax
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setlocal indentkeys+=0=EO
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endif
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let s:cpo_save = &cpo
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" Make sure the continuation lines below do not cause problems in
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" compatibility mode.
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let s:save_cpo = &cpo
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set cpo-=C
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function! GetPerlIndent()
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setlocal formatoptions-=t
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setlocal formatoptions+=crqol
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setlocal keywordprg=perldoc\ -f
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" Get the line to be indented
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let cline = getline(v:lnum)
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setlocal comments=:#
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setlocal commentstring=#%s
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" Indent POD markers to column 0
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if cline =~ '^\s*=\L\@!'
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return 0
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endif
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" Provided by Ned Konz <ned at bike-nomad dot com>
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"---------------------------------------------
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setlocal include=\\<\\(use\\\|require\\)\\>
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" '+' is removed to support plugins in Catalyst or DBIx::Class
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" where the leading plus indicates a fully-qualified module name.
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setlocal includeexpr=substitute(substitute(substitute(substitute(v:fname,'+','',''),'::','/','g'),'->\*','',''),'$','.pm','')
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setlocal define=[^A-Za-z_]
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setlocal iskeyword+=:
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" Get current syntax item at the line's first char
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let csynid = ''
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if b:indent_use_syntax
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let csynid = synIDattr(synID(v:lnum,1,0),"name")
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endif
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" The following line changes a global variable but is necessary to make
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" gf and similar commands work. Thanks to Andrew Pimlott for pointing
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" out the problem.
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let s:old_isfname = &isfname
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set isfname+=:
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let s:new_isfname = &isfname
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" Don't reindent POD and heredocs
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if csynid == "perlPOD" || csynid == "perlHereDoc" || csynid =~ "^pod"
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return indent(v:lnum)
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endif
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augroup perl_global_options
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au!
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exe "au BufEnter * if &filetype == 'perl' | let &isfname = '" . s:new_isfname . "' | endif"
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exe "au BufLeave * if &filetype == 'perl' | let &isfname = '" . s:old_isfname . "' | endif"
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augroup END
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" Indent end-of-heredocs markers to column 0
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if b:indent_use_syntax
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" Assumes that an end-of-heredoc marker matches \I\i* to avoid
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" confusion with other types of strings
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if csynid == "perlStringStartEnd" && cline =~ '^\I\i*$'
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return 0
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endif
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" Undo the stuff we changed.
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let b:undo_ftplugin = "setlocal fo< kp< com< cms< inc< inex< def< isk<" .
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\ " | let &isfname = '" . s:old_isfname . "'"
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if get(g:, 'perl_fold', 0)
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setlocal foldmethod=syntax
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let b:undo_ftplugin .= " | setlocal fdm<"
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endif
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" Set this once, globally.
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if !exists("perlpath")
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if executable("perl")
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try
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if &shellxquote != '"'
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let perlpath = system('perl -e "print join(q/,/,@INC)"')
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else
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let perlpath = system("perl -e 'print join(q/,/,@INC)'")
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endif
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let perlpath = substitute(perlpath,',.$',',,','')
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catch /E145:/
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let perlpath = ".,,"
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endtry
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else
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" Without syntax hints, assume that end-of-heredocs markers begin with EO
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if cline =~ '^\s*EO'
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return 0
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endif
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" If we can't call perl to get its path, just default to using the
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" current directory and the directory of the current file.
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let perlpath = ".,,"
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endif
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endif
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" Now get the indent of the previous perl line.
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" Find a non-blank line above the current line.
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let lnum = prevnonblank(v:lnum - 1)
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" Hit the start of the file, use zero indent.
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if lnum == 0
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return 0
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endif
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let line = getline(lnum)
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let ind = indent(lnum)
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" Skip heredocs, POD, and comments on 1st column
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if b:indent_use_syntax
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let skippin = 2
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while skippin
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let synid = synIDattr(synID(lnum,1,0),"name")
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if (synid == "perlStringStartEnd" && line =~ '^\I\i*$')
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\ || (skippin != 2 && synid == "perlPOD")
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\ || (skippin != 2 && synid == "perlHereDoc")
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\ || synid == "perlComment"
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\ || synid =~ "^pod"
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let lnum = prevnonblank(lnum - 1)
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if lnum == 0
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return 0
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endif
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let line = getline(lnum)
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let ind = indent(lnum)
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let skippin = 1
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else
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let skippin = 0
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endif
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endwhile
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" Append perlpath to the existing path value, if it is set. Since we don't
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" use += to do it because of the commas in perlpath, we have to handle the
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" global / local settings, too.
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if &l:path == ""
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if &g:path == ""
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let &l:path=perlpath
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else
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if line =~ "^EO"
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let lnum = search("<<[\"']\\=EO", "bW")
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let line = getline(lnum)
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let ind = indent(lnum)
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endif
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let &l:path=&g:path.",".perlpath
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endif
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else
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let &l:path=&l:path.",".perlpath
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endif
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" Indent blocks enclosed by {}, (), or []
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if b:indent_use_syntax
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" Find a real opening brace
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" NOTE: Unlike Perl character classes, we do NOT need to escape the
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" closing brackets with a backslash. Doing so just puts a backslash
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" in the character class and causes sorrow. Instead, put the closing
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" bracket as the first character in the class.
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let braceclass = '[][(){}]'
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let bracepos = match(line, braceclass, matchend(line, '^\s*[])}]'))
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while bracepos != -1
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let synid = synIDattr(synID(lnum, bracepos + 1, 0), "name")
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" If the brace is highlighted in one of those groups, indent it.
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" 'perlHereDoc' is here only to handle the case '&foo(<<EOF)'.
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if synid == ""
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\ || synid == "perlMatchStartEnd"
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\ || synid == "perlHereDoc"
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\ || synid == "perlBraces"
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\ || synid == "perlStatementIndirObj"
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\ || synid =~ "^perlFiledescStatement"
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\ || synid =~ '^perl\(Sub\|Block\|Package\)Fold'
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let brace = strpart(line, bracepos, 1)
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if brace == '(' || brace == '{' || brace == '['
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let ind = ind + shiftwidth()
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else
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let ind = ind - shiftwidth()
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endif
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endif
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let bracepos = match(line, braceclass, bracepos + 1)
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endwhile
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let bracepos = matchend(cline, '^\s*[])}]')
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if bracepos != -1
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let synid = synIDattr(synID(v:lnum, bracepos, 0), "name")
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if synid == ""
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\ || synid == "perlMatchStartEnd"
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\ || synid == "perlBraces"
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\ || synid == "perlStatementIndirObj"
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\ || synid =~ '^perl\(Sub\|Block\|Package\)Fold'
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let ind = ind - shiftwidth()
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endif
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endif
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else
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if line =~ '[{[(]\s*\(#[^])}]*\)\=$'
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let ind = ind + shiftwidth()
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endif
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if cline =~ '^\s*[])}]'
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let ind = ind - shiftwidth()
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endif
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endif
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let b:undo_ftplugin .= " | setlocal pa<"
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"---------------------------------------------
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" Indent lines that begin with 'or' or 'and'
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if cline =~ '^\s*\(or\|and\)\>'
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if line !~ '^\s*\(or\|and\)\>'
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let ind = ind + shiftwidth()
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endif
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elseif line =~ '^\s*\(or\|and\)\>'
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let ind = ind - shiftwidth()
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endif
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" Change the browse dialog to show mainly Perl-related files
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if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
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let b:browsefilter = "Perl Source Files (*.pl)\t*.pl\n" .
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\ "Perl Modules (*.pm)\t*.pm\n" .
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\ "Perl Documentation Files (*.pod)\t*.pod\n" .
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\ "All Files (*.*)\t*.*\n"
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let b:undo_ftplugin .= " | unlet! b:browsefilter"
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endif
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return ind
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" Proper matching for matchit plugin
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if exists("loaded_matchit") && !exists("b:match_words")
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let b:match_skip = 's:comment\|string\|perlQQ\|perlShellCommand\|perlHereDoc\|perlSubstitution\|perlTranslation\|perlMatch\|perlFormatField'
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let b:match_words = '\<if\>:\<elsif\>:\<else\>'
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let b:undo_ftplugin .= " | unlet! b:match_words b:match_skip"
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endif
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endfunction
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim:ts=8:sts=4:sw=4:expandtab:ft=vim
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" Restore the saved compatibility options.
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let &cpo = s:save_cpo
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unlet s:save_cpo s:old_isfname s:new_isfname
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Reference in New Issue
Block a user