131 lines
3.4 KiB
VimL
131 lines
3.4 KiB
VimL
" Vim indent file
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" Language: Perl 6
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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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" 2023 Aug 28 by Vim Project (undo_indent)
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" Contributors: Andy Lester <andy@petdance.com>
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" Hinrik Örn Sigurðsson <hinrik.sig@gmail.com>
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"
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" Adapted from indent/perl.vim by Rafael Garcia-Suarez <rgarciasuarez@free.fr>
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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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" TODO:
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" This file still relies on stuff from the Perl 5 syntax file, which Perl 6
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" does not use.
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"
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" 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=GetRakuIndent()
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" we reset it first because the Perl 5 indent file might have been loaded due
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" to a .pl/pm file extension, and indent files don't clean up afterwards
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setlocal indentkeys&
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setlocal indentkeys+=0=,0),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 b:undo_indent = "setlocal indentexpr< indentkeys<"
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let s:cpo_save = &cpo
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set cpo-=C
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function! GetRakuIndent()
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" Get the line to be indented
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let cline = getline(v:lnum)
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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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" 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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" Don't reindent POD and heredocs
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if csynid =~ "^rakuPod"
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return indent(v:lnum)
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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 =~ "^rakuPod" || synid =~ "rakuComment")
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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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endif
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if line =~ '[<«\[{(]\s*\(#[^)}\]»>]*\)\=$'
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let ind = ind + &sw
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endif
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if cline =~ '^\s*[)}\]»>]'
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let ind = ind - &sw
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endif
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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 + &sw
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endif
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elseif line =~ '^\s*\(or\|and\)\>'
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let ind = ind - &sw
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endif
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return ind
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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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