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