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https://github.com/vim/vim.git
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81 lines
2.1 KiB
VimL
81 lines
2.1 KiB
VimL
" Vim filetype indent file
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" Language: Zig
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" Upstream: https://github.com/ziglang/zig.vim
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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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if (!has("cindent") || !has("eval"))
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finish
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endif
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setlocal cindent
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" L0 -> 0 indent for jump labels (i.e. case statement in c).
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" j1 -> indenting for "javascript object declarations"
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" J1 -> see j1
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" w1 -> starting a new line with `(` at the same indent as `(`
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" m1 -> if `)` starts a line, match its indent with the first char of its
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" matching `(` line
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" (s -> use one indent, when starting a new line after a trailing `(`
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setlocal cinoptions=L0,m1,(s,j1,J1,l1
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" cinkeys: controls what keys trigger indent formatting
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" 0{ -> {
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" 0} -> }
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" 0) -> )
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" 0] -> ]
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" !^F -> make CTRL-F (^F) reindent the current line when typed
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" o -> when <CR> or `o` is used
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" O -> when the `O` command is used
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setlocal cinkeys=0{,0},0),0],!^F,o,O
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setlocal indentexpr=GetZigIndent(v:lnum)
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let b:undo_indent = "setlocal cindent< cinkeys< cinoptions< indentexpr<"
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function! GetZigIndent(lnum)
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let curretLineNum = a:lnum
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let currentLine = getline(a:lnum)
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" cindent doesn't handle multi-line strings properly, so force no indent
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if currentLine =~ '^\s*\\\\.*'
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return -1
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endif
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let prevLineNum = prevnonblank(a:lnum-1)
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let prevLine = getline(prevLineNum)
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" for lines that look like
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" },
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" };
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" try treating them the same as a }
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if prevLine =~ '\v^\s*},$'
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if currentLine =~ '\v^\s*};$' || currentLine =~ '\v^\s*}$'
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return indent(prevLineNum) - 4
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endif
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return indent(prevLineNum-1) - 4
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endif
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if currentLine =~ '\v^\s*},$'
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return indent(prevLineNum) - 4
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endif
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if currentLine =~ '\v^\s*};$'
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return indent(prevLineNum) - 4
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endif
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" cindent doesn't handle this case correctly:
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" switch (1): {
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" 1 => true,
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" ~
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" ^---- indents to here
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if prevLine =~ '.*=>.*,$' && currentLine !~ '.*}$'
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return indent(prevLineNum)
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endif
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return cindent(a:lnum)
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endfunction
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