home/rc/extra/racer.kak
2017-03-01 13:11:35 +01:00

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decl -hidden str racer_tmp_dir
decl -hidden completions racer_completions
def racer-complete -docstring "Complete the current selection with racer" %{
%sh{
dir=$(mktemp -d -t kak-racer.XXXXXXXX)
printf %s\\n "set buffer racer_tmp_dir ${dir}"
printf %s\\n "eval -no-hooks %{ write ${dir}/buf }"
}
%sh{
dir=${kak_opt_racer_tmp_dir}
(
cursor="${kak_cursor_line} $((${kak_cursor_column} - 1))"
racer_data=$(racer --interface tab-text complete-with-snippet ${cursor} ${kak_buffile} ${dir}/buf)
compl=$(printf %s\\n "${racer_data}" | awk '
BEGIN { FS = "\t"; ORS = ":" }
/^PREFIX/ {
column = ENVIRON["kak_cursor_column"] + $2 - $3
print ENVIRON["kak_cursor_line"] "." column "\\@" ENVIRON["kak_timestamp"]
}
/^MATCH/ {
word = $2
type = $7
desc = substr($9, 2, length($9) - 2)
gsub(/\\n/, "\n", desc)
menu = $8
sub(/^pub /, "", menu)
gsub(/\|/, "\\|", menu)
if (type == "Function") {
sub(word, "{default+e}" word "{default+d}", menu)
menu = "{default+d}" menu
word = word "("
} else {
menu = "{default+e}" word "{default+d} " menu
}
candidate = word "|" desc "|" menu
gsub(/:/, "\\:", candidate)
print candidate
}'
)
printf %s\\n "eval -client '${kak_client}' %{
set buffer=${kak_bufname} racer_completions %@${compl}@
}" | kak -p ${kak_session}
rm -r ${dir}
) > /dev/null 2>&1 < /dev/null &
}
}
def racer-enable-autocomplete -docstring "Add racer completion candidates to the completer" %{
set window completers "option=racer_completions:%opt{completers}"
hook window -group racer-autocomplete InsertIdle .* %{ try %{
exec -draft <a-h><a-k>([\w\.]|::).\z<ret>
racer-complete
} }
alias window complete racer-complete
}
def racer-disable-autocomplete -docstring "Disable racer completion" %{
set window completers %sh{ printf %s\\n "'${kak_opt_completers}'" | sed 's/option=racer_completions://g' }
rmhooks window racer-autocomplete
unalias window complete racer-complete
}