kakoune/rc/clang.kak
2014-11-11 13:55:26 +00:00

72 lines
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decl str clang_options
decl -hidden str clang_tmp_dir
decl -hidden str-list clang_completions
def clang-complete %{
%sh{
dir=$(mktemp -d -t kak-clang.XXXXXXXX)
mkfifo ${dir}/fifo
echo "set buffer clang_tmp_dir ${dir}"
echo "write ${dir}/buf"
}
# end the previous %sh{} so that its output gets interpreted by kakoune
# before launching the following as a background task.
%sh{
dir=${kak_opt_clang_tmp_dir}
echo "eval -draft %{
edit! -fifo ${dir}/fifo *clang-output*
set buffer filetype make
set buffer _make_current_error_line 0
hook -group clang-cleanup buffer BufCloseFifo .* %{
nop %sh{ rm -r ${dir} }
rmhooks buffer clang-cleanup
}
}"
# this runs in a detached shell, asynchronously, so that kakoune does
# not hang while clang is running. As completions references a cursor
# position and a buffer timestamp, only valid completions should be
# displayed.
(
pos=-:${kak_cursor_line}:${kak_cursor_column}
cd $(dirname ${kak_buffile})
header="${kak_cursor_line}.${kak_cursor_column}@${kak_timestamp}"
compl=$(clang++ -x c++ -fsyntax-only ${kak_opt_clang_options} -Xclang -code-completion-at=${pos} - < ${dir}/buf 2> ${dir}/fifo |
awk -F ': ' -e '
/^COMPLETION:/ && ! /\(Hidden\)/ {
gsub(/[[{<]#|#[}>]/, "", $3)
gsub(/#]/, " ", $3)
gsub(/:: /, "::", $3)
gsub(/ +$/, "", $3)
gsub(/:/, "\\:", $2)
gsub(/:/, "\\:", $3)
id=substr($2, 1, length($2)-1)
if (id in completions)
completions[id]=completions[id] "\\n" $3
else
completions[id]=$3
}
END {
for (id in completions)
print id "@" completions[id]
}' | sort | paste -s -d ':' | sed -e 's/\\n/\n/g')
echo "eval -client ${kak_client} %[ echo completed; set 'buffer=${kak_buffile}' clang_completions %[${header}:${compl}] ]" | kak -p ${kak_session}
) > /dev/null 2>&1 < /dev/null &
}
}
def clang-enable-autocomplete %{
set window completers "option=clang_completions:%opt{completers}"
hook window -group clang-autocomplete InsertIdle .* %{ try %{
exec -draft <a-h><a-k>(\.|->|::).\'<ret>
echo 'completing...'
clang-complete
} }
}
def clang-disable-autocomplete %{
set window completers %sh{ echo "'${kak_opt_completers}'" | sed -e 's/option=clang_completions://g' }
rmhooks window clang-autocomplete
}