106 lines
2.9 KiB
VimL
106 lines
2.9 KiB
VimL
" Vim indent file
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" Language: Bazel (http://bazel.io)
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" Maintainer: David Barnett (https://github.com/google/vim-ft-bzl)
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" Last Change: 2021 Jul 08
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if exists('b:did_indent')
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finish
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endif
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" Load base python indent.
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if !exists('*GetPythonIndent')
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runtime! indent/python.vim
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endif
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let b:did_indent = 1
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" Only enable bzl google indent if python google indent is enabled.
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if !get(g:, 'no_google_python_indent')
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setlocal indentexpr=GetBzlIndent(v:lnum)
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endif
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if exists('*GetBzlIndent')
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finish
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endif
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let s:save_cpo = &cpo
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set cpo-=C
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" Maximum number of lines to look backwards.
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let s:maxoff = 50
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""
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" Determine the correct indent level given an {lnum} in the current buffer.
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function GetBzlIndent(lnum) abort
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let l:use_recursive_indent = !get(g:, 'no_google_python_recursive_indent')
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if l:use_recursive_indent
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" Backup and override indent setting variables.
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if exists('g:pyindent_nested_paren')
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let l:pyindent_nested_paren = g:pyindent_nested_paren
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endif
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if exists('g:pyindent_open_paren')
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let l:pyindent_open_paren = g:pyindent_open_paren
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endif
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let g:pyindent_nested_paren = 'shiftwidth()'
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let g:pyindent_open_paren = 'shiftwidth()'
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endif
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let l:indent = -1
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call cursor(a:lnum, 1)
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let [l:par_line, l:par_col] = searchpairpos('(\|{\|\[', '', ')\|}\|\]', 'bW',
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\ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" .
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\ " synIDattr(synID(line('.'), col('.'), 1), 'name')" .
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\ " =~ '\\(Comment\\|String\\)$'")
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if l:par_line > 0
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" Indent inside parens.
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if searchpair('(\|{\|\[', '', ')\|}\|\]', 'W',
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\ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" .
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\ " synIDattr(synID(line('.'), col('.'), 1), 'name')" .
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\ " =~ '\\(Comment\\|String\\)$'") && line('.') == a:lnum
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" If cursor is at close parens, match indent with open parens.
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" E.g.
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" foo(
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" )
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let l:indent = indent(l:par_line)
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else
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" Align with the open paren unless it is at the end of the line.
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" E.g.
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" open_paren_not_at_EOL(100,
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" (200,
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" 300),
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" 400)
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" open_paren_at_EOL(
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" 100, 200, 300, 400)
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call cursor(l:par_line, 1)
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if l:par_col != col('$') - 1
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let l:indent = l:par_col
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endif
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endif
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endif
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" Delegate the rest to the original function.
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if l:indent == -1
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let l:indent = GetPythonIndent(a:lnum)
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endif
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if l:use_recursive_indent
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" Restore global variables.
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if exists('l:pyindent_nested_paren')
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let g:pyindent_nested_paren = l:pyindent_nested_paren
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else
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unlet g:pyindent_nested_paren
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endif
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if exists('l:pyindent_open_paren')
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let g:pyindent_open_paren = l:pyindent_open_paren
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else
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unlet g:pyindent_open_paren
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endif
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endif
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return l:indent
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endfunction
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let &cpo = s:save_cpo
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unlet s:save_cpo
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