mirror of
https://github.com/vim/vim
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211211052d
Note for Neovim Contributors: this is bundled as Vim9 Script. If you want to use this on Neovim, you need to convert the Vim9 scripts to Vim Script or Lua or leave it out. Signed-off-by: Maxim Kim <habamax@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
119 lines
3.5 KiB
VimL
119 lines
3.5 KiB
VimL
vim9script
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# Vim indent plugin file
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# Language: Odin
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# Maintainer: Maxim Kim <habamax@gmail.com>
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# Website: https://github.com/habamax/vim-odin
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# Last Change: 2024-01-15
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if exists("b:did_indent")
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finish
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endif
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b:did_indent = 1
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b:undo_indent = 'setlocal cindent< cinoptions< cinkeys< indentexpr<'
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setlocal cindent
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setlocal cinoptions=L0,m1,(s,j1,J1,l1,+0,:0,#1
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setlocal cinkeys=0{,0},0),0],!^F,:,o,O
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setlocal indentexpr=GetOdinIndent(v:lnum)
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def PrevLine(lnum: number): number
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var plnum = lnum - 1
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var pline: string
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while plnum > 1
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plnum = prevnonblank(plnum)
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pline = getline(plnum)
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# XXX: take into account nested multiline /* /* */ */ comments
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if pline =~ '\*/\s*$'
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while getline(plnum) !~ '/\*' && plnum > 1
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plnum -= 1
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endwhile
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if getline(plnum) =~ '^\s*/\*'
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plnum -= 1
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else
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break
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endif
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elseif pline =~ '^\s*//'
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plnum -= 1
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else
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break
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endif
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endwhile
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return plnum
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enddef
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def GetOdinIndent(lnum: number): number
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var plnum = PrevLine(lnum)
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var pline = getline(plnum)
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var pindent = indent(plnum)
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# workaround of cindent "hang"
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# if the previous line looks like:
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# : #{}
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# : #whatever{whateverelse}
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# and variations where : # { } are in the string
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# cindent(lnum) hangs
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if pline =~ ':\s\+#.*{.*}'
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return pindent
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endif
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var indent = cindent(lnum)
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var line = getline(lnum)
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if line =~ '^\s*#\k\+'
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if pline =~ '[{:]\s*$'
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indent = pindent + shiftwidth()
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else
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indent = pindent
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endif
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elseif pline =~ 'switch\s.*{\s*$'
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indent = pindent
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elseif pline =~ 'case\s*.*,\s*\(//.*\)\?$' # https://github.com/habamax/vim-odin/issues/8
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indent = pindent + matchstr(pline, 'case\s*')->strcharlen()
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elseif line =~ '^\s*case\s\+.*,\s*$'
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indent = pindent - shiftwidth()
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elseif pline =~ 'case\s*.*:\s*\(//.*\)\?$'
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if line !~ '^\s*}\s*$' && line !~ '^\s*case[[:space:]:]'
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indent = pindent + shiftwidth()
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endif
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elseif pline =~ '^\s*@.*' && line !~ '^\s*}'
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indent = pindent
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elseif pline =~ ':[:=].*}\s*$'
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indent = pindent
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elseif pline =~ '^\s*}\s*$'
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if line !~ '^\s*}' && line !~ 'case\s*.*:\s*$'
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indent = pindent
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else
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indent = pindent - shiftwidth()
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endif
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elseif pline =~ '\S:\s*$'
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# looking up for a case something,
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# whatever,
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# anything:
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# ... 20 lines before
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for idx in range(plnum - 1, plnum - 21, -1)
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if plnum < 1
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break
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endif
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if getline(idx) =~ '^\s*case\s.*,\s*$'
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indent = indent(idx) + shiftwidth()
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break
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endif
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endfor
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elseif pline =~ '{[^{]*}\s*$' && line !~ '^\s*[})]\s*$' # https://github.com/habamax/vim-odin/issues/2
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indent = pindent
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elseif pline =~ '^\s*}\s*$' # https://github.com/habamax/vim-odin/issues/3
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# Find line with opening { and check if there is a label:
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# If there is, return indent of the closing }
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cursor(plnum, 1)
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silent normal! %
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var brlnum = line('.')
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var brline = getline('.')
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if plnum != brlnum && (brline =~ '^\s*\k\+:\s\+for' || brline =~ '^\s*\k\+\s*:=')
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indent = pindent
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endif
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endif
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return indent
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enddef
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