home/rc/tools/go/gopls.kak
VÖRÖSKŐI András 568020d67b rc gopls.kak: initial import
Add support for the following gopls commands:
 - format
 - imports
 - definition
 - references

Thanks krobelus@ and lenormf@ for their review and suggestions.
2020-09-15 01:01:35 +02:00

117 lines
3.2 KiB
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# gopls.kak: gopls bindings for kakoune
define-command -params 1 -docstring %{
gopls <command>: gopls command wrapper for kakoune
All commands are forwarded to gopls utility
Available commands are:
format
imports
definition
references
} -shell-script-candidates %{
printf "format\nimports\ndefinition\nreferences\n"
} \
gopls %{
require-module gopls
evaluate-commands %sh{
case "$1" in
format|imports)
printf %s\\n "gopls-cmd $1"
;;
definition)
printf %s\\n "gopls-def"
;;
references)
printf %s\\n "gopls-ref"
;;
*)
printf "fail Unknown gopls command '%s'\n" "$1"
exit
;;
esac
}
}
provide-module gopls %§
evaluate-commands %sh{
if ! command -v gopls > /dev/null 2>&1; then
echo "fail Please install gopls or add to PATH!"
fi
}
# Temp dir prepatation
declare-option -hidden str gopls_tmp_dir
define-command -hidden -params 0 gopls-prepare %{
evaluate-commands %sh{
dir=$(mktemp -d "${TMPDIR:-/tmp}"/kak-gopls.XXXXXXXX)
printf %s\\n "set-option buffer gopls_tmp_dir ${dir}"
}
}
# gopls format/imports
define-command -hidden -params 1 gopls-cmd %{
gopls-prepare
evaluate-commands %sh{
dir=${kak_opt_gopls_tmp_dir}
eval "gopls $1 -w ${kak_buffile} 2> '${dir}/stderr'"
if [ $? -ne 0 ]; then
# show error messages in *debug* buffer
printf %s\\n "echo -debug %file{ '${dir}/stderr' }"
fi
rm -r "${dir}"
}
edit!
}
# gopls definition
define-command -hidden -params 0 gopls-def %{
gopls-prepare
evaluate-commands %sh{
dir=${kak_opt_gopls_tmp_dir}
eval "gopls definition ${kak_buffile}:${kak_cursor_line}:${kak_cursor_column} \
|sed -e 's/-.*//' -e 's/:/ /g' > '${dir}/jump'"
if [ -s "${dir}/jump" ]; then
printf %s\\n "evaluate-commands -try-client '${kak_opt_jumpclient}' %{
edit $(cat "${dir}/jump" )
}"
fi
rm -r "${dir}"
}
}
# gopls references
define-command -hidden -params 0 gopls-ref %{
gopls-prepare
evaluate-commands %sh{
dir=${kak_opt_gopls_tmp_dir}
mkfifo "${dir}/fifo"
( gopls references ${kak_buffile}:${kak_cursor_line}:${kak_cursor_column} \
> "${dir}/fifo" 2> /dev/null & ) > /dev/null 2>&1 < /dev/null
printf %s\\n "evaluate-commands -try-client '${kak_opt_toolsclient}' %{
edit! -fifo '${dir}/fifo' *gopls-refs*
set-option buffer filetype gopls
hook -always -once buffer BufCloseFifo .* %{ nop %sh{ rm -r '${dir}' } }
}"
}
}
hook global WinSetOption filetype=gopls %{
hook buffer -group gopls-hooks NormalKey <ret> refs-jump
hook -once -always window WinSetOption filetype=.* %{
remove-hooks buffer gopls-hooks
}
}
define-command -hidden -params 0 refs-jump %{
try %{
execute-keys '<a-x>s^((?:\w:)?[^:]+):(\d+):(\d+)?<ret>'
evaluate-commands -try-client %opt{jumpclient} -verbatim -- \
edit -existing %reg{1} %reg{2} %reg{3}
try %{ focus %opt{jumpclient} }
}
}
§