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Diffstat (limited to 'runtime/indent/raku.vim')
| -rw-r--r-- | runtime/indent/raku.vim | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/runtime/indent/raku.vim b/runtime/indent/raku.vim new file mode 100644 index 0000000..753a2b0 --- /dev/null +++ b/runtime/indent/raku.vim @@ -0,0 +1,130 @@ +" Vim indent file +" Language: Perl 6 +" Maintainer: vim-perl <vim-perl@googlegroups.com> +" Homepage: https://github.com/vim-perl/vim-perl +" Bugs/requests: https://github.com/vim-perl/vim-perl/issues +" Last Change: 2020 Apr 15 +" 2023 Aug 28 by Vim Project (undo_indent) +" Contributors: Andy Lester <andy@petdance.com> +" Hinrik Örn Sigurðsson <hinrik.sig@gmail.com> +" +" Adapted from indent/perl.vim by Rafael Garcia-Suarez <rgarciasuarez@free.fr> + +" Suggestions and improvements by : +" Aaron J. Sherman (use syntax for hints) +" Artem Chuprina (play nice with folding) +" TODO: +" This file still relies on stuff from the Perl 5 syntax file, which Perl 6 +" does not use. +" +" Things that are not or not properly indented (yet) : +" - Continued statements +" print "foo", +" "bar"; +" print "foo" +" if bar(); +" - Multiline regular expressions (m//x) +" (The following probably needs modifying the perl syntax file) +" - qw() lists +" - Heredocs with terminators that don't match \I\i* + +" Only load this indent file when no other was loaded. +if exists("b:did_indent") + finish +endif +let b:did_indent = 1 + +" Is syntax highlighting active ? +let b:indent_use_syntax = has("syntax") + +setlocal indentexpr=GetRakuIndent() + +" we reset it first because the Perl 5 indent file might have been loaded due +" to a .pl/pm file extension, and indent files don't clean up afterwards +setlocal indentkeys& + +setlocal indentkeys+=0=,0),0],0>,0»,0=or,0=and +if !b:indent_use_syntax + setlocal indentkeys+=0=EO +endif + +let b:undo_indent = "setlocal indentexpr< indentkeys<" + +let s:cpo_save = &cpo +set cpo-=C + +function! GetRakuIndent() + + " Get the line to be indented + let cline = getline(v:lnum) + + " Indent POD markers to column 0 + if cline =~ '^\s*=\L\@!' + return 0 + endif + + " Get current syntax item at the line's first char + let csynid = '' + if b:indent_use_syntax + let csynid = synIDattr(synID(v:lnum,1,0),"name") + endif + + " Don't reindent POD and heredocs + if csynid =~ "^rakuPod" + return indent(v:lnum) + endif + + + " Now get the indent of the previous perl line. + + " Find a non-blank line above the current line. + let lnum = prevnonblank(v:lnum - 1) + " Hit the start of the file, use zero indent. + if lnum == 0 + return 0 + endif + let line = getline(lnum) + let ind = indent(lnum) + " Skip heredocs, POD, and comments on 1st column + if b:indent_use_syntax + let skippin = 2 + while skippin + let synid = synIDattr(synID(lnum,1,0),"name") + if (synid =~ "^rakuPod" || synid =~ "rakuComment") + let lnum = prevnonblank(lnum - 1) + if lnum == 0 + return 0 + endif + let line = getline(lnum) + let ind = indent(lnum) + let skippin = 1 + else + let skippin = 0 + endif + endwhile + endif + + if line =~ '[<«\[{(]\s*\(#[^)}\]»>]*\)\=$' + let ind = ind + &sw + endif + if cline =~ '^\s*[)}\]»>]' + let ind = ind - &sw + endif + + " Indent lines that begin with 'or' or 'and' + if cline =~ '^\s*\(or\|and\)\>' + if line !~ '^\s*\(or\|and\)\>' + let ind = ind + &sw + endif + elseif line =~ '^\s*\(or\|and\)\>' + let ind = ind - &sw + endif + + return ind + +endfunction + +let &cpo = s:cpo_save +unlet s:cpo_save + +" vim:ts=8:sts=4:sw=4:expandtab:ft=vim |