127 lines
5.5 KiB
Plaintext
127 lines
5.5 KiB
Plaintext
# http://lua.org
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*[.](lua|rockspec) %{
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set-option buffer filetype lua
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=lua %{
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require-module lua
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hook window ModeChange pop:insert:.* -group lua-trim-indent lua-trim-indent
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hook window InsertChar .* -group lua-indent lua-indent-on-char
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hook window InsertChar \n -group lua-indent lua-indent-on-new-line
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hook window InsertChar \n -group lua-insert lua-insert-on-new-line
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alias window alt lua-alternative-file
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hook -once -always window WinSetOption filetype=.* %{
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remove-hooks window lua-.+
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unalias window alt lua-alternative-file
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}
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}
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hook -group lua-highlight global WinSetOption filetype=lua %{
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add-highlighter window/lua ref lua
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/lua }
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}
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provide-module lua %[
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/lua regions
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add-highlighter shared/lua/code default-region group
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add-highlighter shared/lua/raw_string region -match-capture '\[(=*)\[' '\](=*)\]' fill string
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add-highlighter shared/lua/raw_comment region -match-capture '--\[(=*)\[' '\](=*)\]' fill comment
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add-highlighter shared/lua/double_string region '"' (?<!\\)(?:\\\\)*" fill string
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add-highlighter shared/lua/single_string region "'" (?<!\\)(?:\\\\)*' fill string
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add-highlighter shared/lua/comment region '--' $ fill comment
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add-highlighter shared/lua/code/function_declaration regex \b(?:function\h+)(?:\w+\h*\.\h*)*([a-zA-Z_]\w*)\( 1:function
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add-highlighter shared/lua/code/function_call regex \b([a-zA-Z_]\w*)\h*(?=[\(\{]) 1:function
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add-highlighter shared/lua/code/keyword regex \b(break|do|else|elseif|end|for|function|goto|if|in|local|repeat|return|then|until|while)\b 0:keyword
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add-highlighter shared/lua/code/value regex \b(false|nil|true|[0-9]+(:?\.[0-9])?(:?[eE]-?[0-9]+)?|0x[0-9a-fA-F])\b 0:value
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add-highlighter shared/lua/code/symbolic_operator regex (\+|-|\*|/|%|\^|==?|~=|<=?|>=?|\.\.|\.\.\.|#) 0:operator
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add-highlighter shared/lua/code/keyword_operator regex \b(and|or|not)\b 0:operator
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add-highlighter shared/lua/code/module regex \b(_G|_ENV)\b 0:module
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add-highlighter shared/lua/code/attribute regex \B(<[a-zA-Z_]\w*>)\B 0:attribute
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# Commands
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# ‾‾‾‾‾‾‾‾
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define-command lua-alternative-file -docstring 'Jump to the alternate file (implementation ↔ test)' %{ evaluate-commands %sh{
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case $kak_buffile in
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*spec/*_spec.lua)
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altfile=$(eval printf %s\\n $(printf %s\\n $kak_buffile | sed s+spec/+'*'/+';'s/_spec//))
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[ ! -f $altfile ] && echo "fail 'implementation file not found'" && exit
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;;
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*.lua)
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altfile=""
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altdir=""
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path=$kak_buffile
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dirs=$(while [ $path ]; do printf %s\\n $path; path=${path%/*}; done | tail -n +2)
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for dir in $dirs; do
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altdir=$dir/spec
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if [ -d $altdir ]; then
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altfile=$altdir/$(realpath $kak_buffile --relative-to $dir | sed s+[^/]'*'/++';'s/.lua$/_spec.lua/)
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break
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fi
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done
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[ ! -d "$altdir" ] && echo "fail 'spec/ not found'" && exit
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;;
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*)
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echo "fail 'alternative file not found'" && exit
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;;
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esac
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printf %s\\n "edit $altfile"
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}}
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define-command -hidden lua-trim-indent %{
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# remove trailing whitespaces
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try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
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}
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define-command -hidden lua-indent-on-char %{
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evaluate-commands -no-hooks -draft -itersel %{
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# align middle and end structures to start and indent when necessary, elseif is already covered by else
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try %{ execute-keys -draft <a-x><a-k>^\h*(else)$<ret><a-semicolon><a-?>^\h*(if)<ret>s\A|.\z<ret>)<a-&> }
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try %{ execute-keys -draft <a-x><a-k>^\h*(end)$<ret><a-semicolon><a-?>^\h*(for|function|if|while)<ret>s\A|.\z<ret>)<a-&> }
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}
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}
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define-command -hidden lua-indent-on-new-line %{
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evaluate-commands -no-hooks -draft -itersel %{
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# remove trailing white spaces from previous line
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try %{ execute-keys -draft k : lua-trim-indent <ret> }
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# preserve previous non-empty line indent
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try %{ execute-keys -draft <space><a-?>^[^\n]+$<ret>s\A|.\z<ret>)<a-&> }
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# indent after start structure
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try %{ execute-keys -draft <a-?>^[^\n]*\w+[^\n]*$<ret><a-k>\b(else|elseif|for|function|if|while)\b<ret><a-K>\bend\b<ret><a-:><semicolon><a-gt> }
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}
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}
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define-command -hidden lua-insert-on-new-line %[
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evaluate-commands -no-hooks -draft -itersel %[
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# copy -- comment prefix and following white spaces
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try %{ execute-keys -draft k<a-x>s^\h*\K--\h*<ret> y gh j <a-x><semicolon> P }
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# wisely add end structure
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evaluate-commands -save-regs x %[
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try %{ execute-keys -draft k<a-x>s^\h+<ret>"xy } catch %{ reg x '' } # Save previous line indent in register x
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try %[ execute-keys -draft k<a-x> <a-k>^<c-r>x\b[^\n]*(for|function|if|while)<ret><a-K>\bend\b<ret> J}iJ<a-x> <a-K>^<c-r>x(else|end|elseif)$<ret> # Validate previous line and that it is not closed yet
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execute-keys -draft o<c-r>xend<esc> # auto insert end
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execute-keys -draft k<a-x><a-k>\(function\b<ret>jjA)<esc> ] # auto insert ) for anonymous function
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]
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]
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]
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]
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