162 lines
8.2 KiB
Plaintext
162 lines
8.2 KiB
Plaintext
hook -once global BufSetOption filetype=rust %{
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require-module racer
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}
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provide-module racer %{
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declare-option -hidden str racer_tmp_dir
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declare-option -hidden completions racer_completions
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define-command racer-complete -docstring "Complete the current selection with racer" %{
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evaluate-commands %sh{
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dir=$(mktemp -d "${TMPDIR:-/tmp}"/kak-racer.XXXXXXXX)
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printf %s\\n "set-option buffer racer_tmp_dir ${dir}"
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printf %s\\n "evaluate-commands -no-hooks %{ write ${dir}/buf }"
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}
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evaluate-commands %sh{
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dir=${kak_opt_racer_tmp_dir}
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(
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cursor="${kak_cursor_line} $((${kak_cursor_column} - 1))"
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racer_data=$(racer --interface tab-text complete-with-snippet ${cursor} ${kak_buffile} ${dir}/buf)
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compl=$(printf %s\\n "${racer_data}" | awk '
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BEGIN { FS = "\t"; ORS = ":" }
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/^PREFIX/ {
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column = ENVIRON["kak_cursor_column"] + $2 - $3
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print ENVIRON["kak_cursor_line"] "." column "@@" ENVIRON["kak_timestamp"]
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}
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/^MATCH/ {
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word = $2
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type = $7
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desc = substr($9, 2, length($9) - 2)
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gsub(/\|/, "\\|", desc)
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gsub(/\\n/, "\n", desc)
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menu = $8
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sub(/^pub /, "", menu)
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gsub(/\|/, "\\|", menu)
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if (type == "Function") {
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sub(word, "{default+F}" word "{default+d}", menu)
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gsub(/^fn /, " fn ", menu) # The extra spaces are there to vertically align
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# the type of element on the menu to make it easy
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# to read
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menu = "{default+d}" menu
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} else if (type == "Enum") {
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menu = substr(menu, 0, length(menu) - 2)
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sub(word, "{default+F}" word "{default+d}", menu)
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gsub(/^enum /, " enum ", menu) # The extra spaces are there to vertically align
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# the type of element on the menu to make it easy
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# to read
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} else if (type == "Module") {
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if (length(menu) > 30) { # The "menu" bit (as returned by racer),
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# contains the path to the source file
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# containing the module...
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menu = substr(menu, length(menu) - 29, 30) # ... trimming it, so the completion menu
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# doesn''t get distorted if it''s too long
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}
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menu = " mod {default+F}" word "{default+d} .." menu # The extra spaces are there to vertically align
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# the type of element on the menu to make it easy
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# to read
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} else if (type == "Trait") {
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sub(word, "{default+F}" word "{default+d}", menu)
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gsub(/^trait /, " trait ", menu) # The extra spaces are there to vertically align
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# the type of element on the menu to make it easy
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# to read
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} else if (type == "Type") {
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sub(word, "{default+F}" word "{default+d}", menu)
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gsub(/^type /, " type ", menu) # The extra spaces are there to vertically align
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# the type of element on the menu to make it easy
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# to read
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} else if (type == "Struct") {
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sub(word, "{default+F}" word "{default+d}", menu) # Struct doesn''t have extra spaces because it''s
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# the longest keyword
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} else {
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menu = "{default+F}" word "{default+d} " menu
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}
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candidate = word "|" desc "|" menu
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gsub(/:/, "\\:", candidate)
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print candidate
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}'
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)
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printf %s\\n "evaluate-commands -client '${kak_client}' %{
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set-option buffer=${kak_bufname} racer_completions %@${compl%?}@
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}" | kak -p ${kak_session}
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rm -r ${dir}
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) > /dev/null 2>&1 < /dev/null &
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}
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}
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define-command racer-enable-autocomplete -docstring "Add racer completion candidates to the completer" %{
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set-option window completers option=racer_completions %opt{completers}
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hook window -group racer-autocomplete InsertIdle .* %{ try %{
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execute-keys -draft <a-h><a-k>([\w\.]|::).\z<ret>
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racer-complete
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} }
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alias window complete racer-complete
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}
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define-command racer-disable-autocomplete -docstring "Disable racer completion" %{
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evaluate-commands %sh{ printf "set-option window completers %s\n" $(printf %s "${kak_opt_completers}" | sed -e "s/'option=racer_completions'//g") }
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remove-hooks window racer-autocomplete
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unalias window complete racer-complete
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}
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define-command racer-go-definition -docstring "Jump to where the rust identifier below the cursor is defined" %{
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evaluate-commands %sh{
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dir=$(mktemp -d "${TMPDIR:-/tmp}"/kak-racer.XXXXXXXX)
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printf %s\\n "set-option buffer racer_tmp_dir ${dir}"
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printf %s\\n "evaluate-commands -no-hooks %{ write ${dir}/buf }"
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}
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evaluate-commands %sh{
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dir=${kak_opt_racer_tmp_dir}
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cursor="${kak_cursor_line} $((${kak_cursor_column} - 1))"
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racer_data=$(racer --interface tab-text find-definition ${cursor} "${kak_buffile}" "${dir}/buf" | head -n 1)
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racer_match=$(printf %s\\n "$racer_data" | cut -f1 )
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if [ "$racer_match" = "MATCH" ]; then
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racer_line=$(printf %s\\n "$racer_data" | cut -f3 )
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racer_column=$(printf %s\\n "$racer_data" | cut -f4 )
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racer_file=$(printf %s\\n "$racer_data" | cut -f5 )
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printf %s\\n "edit -existing '$racer_file' $racer_line $racer_column"
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case ${racer_file} in
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"${RUST_SRC_PATH}"* | "${CARGO_HOME:-$HOME/.cargo}"/registry/src/*)
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printf %s\\n "set-option buffer readonly true";;
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esac
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else
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printf %s\\n "echo -debug 'racer could not find a definition'"
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fi
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}
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}
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define-command racer-show-doc -docstring "Show the documentation about the rust identifier below the cursor" %{
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evaluate-commands %sh{
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dir=$(mktemp -d "${TMPDIR:-/tmp}"/kak-racer.XXXXXXXX)
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printf %s\\n "set-option buffer racer_tmp_dir ${dir}"
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printf %s\\n "evaluate-commands -no-hooks %{ write ${dir}/buf }"
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}
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evaluate-commands %sh{
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dir=${kak_opt_racer_tmp_dir}
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cursor="${kak_cursor_line} ${kak_cursor_column}"
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racer_data=$(racer --interface tab-text complete-with-snippet ${cursor} "${kak_buffile}" "${dir}/buf" | sed -n 2p )
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racer_match=$(printf %s\\n "$racer_data" | cut -f1)
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if [ "$racer_match" = "MATCH" ]; then
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racer_doc=$(
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printf %s\\n "$racer_data" |
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cut -f9 |
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sed -e '
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# Remove leading and trailing quotes
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s/^"\(.*\)"$/\1/g
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# Escape all @ so that it can be properly used in the string expansion
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s/@/\\@/g
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')
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printf "info %%@$racer_doc@"
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else
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printf %s\\n "echo -debug 'racer could not find a definition'"
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fi
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}
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}
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}
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