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Add jumpToDefinition and showDoc support for rust (with racer)

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Marc 2018-03-12 12:47:47 +00:00
parent e66073bc94
commit 67ce6946d2
1 changed files with 50 additions and 0 deletions
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50
rc/extra/racer.kak
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@ -93,3 +93,53 @@ define-command racer-disable-autocomplete -docstring "Disable racer completion"
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" %{
%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 ${dir}/buf }"
}
%sh{
dir=${kak_opt_racer_tmp_dir}
(
cursor="${kak_cursor_line} $((${kak_cursor_column} - 1))"
racer_data=$(racer --interface tab-text find-definition ${cursor} ${kak_buffile} ${dir}/buf | head -n 1)
racer_match=$(echo "$racer_data" | cut -f1 )
if [[ "$racer_match" == "MATCH" ]]; then
racer_line=$(echo "$racer_data" | cut -f3 )
racer_column=$(echo "$racer_data" | cut -f4 )
racer_file=$(echo "$racer_data" | cut -f5 )
printf %s\\n "edit -existing '$racer_file' $racer_line $racer_column"
printf %s\\n "set-option buffer readonly true"
else
printf %s\\n "echo -debug 'racer could not find a definition'"
fi
)
}
}
define-command racer-show-doc -docstring "Show the documentation about the rust identifier below the cursor" %{
%sh{
dir=$(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 ${dir}/buf }"
}
%sh{
dir=${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} ${dir}/buf | head -n 2 | tail -n 1)
racer_match=$(echo "$racer_data" | cut -f1 )
printf %s\\n "info '$racer_data'"
if [[ "$racer_match" == "MATCH" ]]; then
racer_doc=$(echo "$racer_data" | cut -f9 | xargs )
racer_doc=$(echo "${racer_doc//\\n/
}") # This is a bit ugly and probably should be replaced with something better than a new line in the code itself, but I couldn't work how
printf %s\\n "info '$racer_doc'"
else
printf %s\\n "echo -debug 'racer could not find a definition'"
fi
)
}
}