Files
Nim/tools/nimgrep.bash-completion
Michael Lee 34de654aa7 Improve bash completion support (#24692)
Following https://github.com/nim-lang/nimble/pull/1347, this patch adds
bash completion support for `nim`, `nimgrep`, `nimpretty`, `nimsuggest`.

(cherry picked from commit 16280d4e49)
2025-03-03 14:07:00 +01:00

340 lines
9.5 KiB
Bash

# bash completion for nimgrep -*- shell-script -*-
__is_short_or_long()
{
local actual short long
actual="$1"
short="$2"
long="$3"
[[ ! -z $short && $actual == $short ]] && return 0
[[ ! -z $long && $actual == $long ]] && return 0
return 1
}
__ask_for_subcmd_or_subopts()
{
local args cmd subcmd words sub_words word_first word_last word_lastlast
local len ilast ilastlast i ele sub_len n_nopts
args=("$@")
ask_for_what="${args[0]}"
cmd="${args[1]}"
subcmd="${args[2]}"
ilast="${args[3]}"
words=("${args[@]:4}")
len=${#words[@]}
ilastlast=$((ilast - 1))
sub_words=("${words[@]:0:ilast}")
sub_len=${#sub_words[@]}
word_first=${words[0]}
word_last=${words[ilast]}
word_lastlast=${words[ilastlast]}
n_nopts=0
# printf "\n[DBUG] word_first:${word_first}|ilast:${ilast}|words(${len}):${words[*]}|sub_words(${sub_len}):${sub_words[*]}\n"
if [[ $word_first != $cmd ]]
then
return 1
fi
i=0
while [[ $i -lt $len ]]
do
ele=${words[i]}
if [[ ! $ele =~ ^- ]]
then
if [[ $ele == $cmd || $ele == $subcmd ]]
then
((n_nopts+=1))
elif [[ $i -eq $ilast && $ele =~ ^[a-zA-Z] ]]
then
((i=i))
elif [[ -z $ele ]]
then
((i=i))
elif [[ $ele =~ ^: ]]
then
((i+=1))
else
return 1
fi
fi
((i+=1))
done
case $ask_for_what in
1)
if [[ n_nopts -eq 1 ]]
then
if [[ -z $word_last || $word_last =~ ^[a-zA-Z] ]] && [[ $word_lastlast != : ]]
then
return 0
fi
fi
;;
2)
if [[ n_nopts -eq 2 ]]
then
if [[ -z $word_last ]] || [[ $word_last =~ ^[-:] ]]
then
return 0
fi
fi
esac
return 1
}
__ask_for_subcmd()
{
__ask_for_subcmd_or_subopts 1 "$@"
}
__ask_for_subcmd_opts()
{
__ask_for_subcmd_or_subopts 2 "$@"
}
_nimgrep()
{
local curr prev prevprev words
local i_curr n_words i_prev i_prevprev
COMPREPLY=()
i_curr=$COMP_CWORD
n_words=$((i_curr+1))
i_prev=$((i_curr-1))
i_prevprev=$((i_curr-2))
curr="${COMP_WORDS[i_curr]}"
prev="${COMP_WORDS[i_prev]}"
prevprev="${COMP_WORDS[i_prevprev]}"
words=("${COMP_WORDS[@]:0:n_words}")
local subcmds opts candids
# printf "\n[DBUG] curr:$curr|prev:$prev|words(${#words[*]}):${words[*]}\n"
# Asking for a subcommand
if false && __ask_for_subcmd nimgrep nimgrep $i_curr "${words[@]}"
then
subcmds=""
return 0
fi
# Prioritize subcmd over opt
if false
then
return 124
elif false && __ask_for_subcmd_opts nimgrep compileToC $i_curr "${words[@]}"
then
opts=() \
&& candids=()
else
opts=() \
&& candids=()
opts+=("-f" "--find" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--replace" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--confirm" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--filenames" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--peg" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--re" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-x" "--rex" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-w" "--word" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-i" "--ignoreCase" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-y" "--ignoreStyle" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-r" "--recursive" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--follow" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-s" "--sortTime" "asc desc") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--extensions" "EX") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--notextensions" "EX") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--filename" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--notfilename" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--dirname" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--notdirname" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--dirpath" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--notdirpath" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--inFile" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--notinFile" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--bin" "on off only") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-t" "--text" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--inContext" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--notinContext" "PAT") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--nocolor" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--colorTheme" "THEME") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--color" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--count" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-c" "--context" "N") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-a" "--afterContext" "N") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-b" "--beforeContext" "N") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-g" "--group" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-l" "--newLine" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--cols" "N auto") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--onlyAscii" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-j" "--threads" "N") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--stdin" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("" "--verbose" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-h" "--help" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
opts+=("-v" "--version" "") \
&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
fi
local c_short c_long c_accvals
local len i idx0 idx1 idx2
case $curr in
# Asking for accepted optvalues, e.g., `out:`
:)
len=${#opts[@]}
i=0
while [[ $i -lt $len ]]
do
idx0=$((i / 3 * 3))
idx1=$((idx0 + 1))
idx2=$((idx1 + 1))
c_short=${opts[idx0]}
c_long=${opts[idx1]}
c_accvals=${opts[idx2]}
(false \
|| __is_short_or_long $prev ${c_short} ${c_long} \
|| false) \
&& COMPREPLY=( $(compgen -W "${c_accvals}" --) ) \
&& return 0
((i+=3))
done
return 124
;;
*)
# When in a incomplete opt value, e.g., `--check:of`
if [[ $prev == : ]]
then
len=${#opts[@]}
i=0
while [[ $i -lt $len ]]
do
idx0=$((i / 3 * 3))
idx1=$((idx0 + 1))
idx2=$((idx1 + 1))
c_short=${opts[idx0]}
c_long=${opts[idx1]}
c_accvals=${opts[idx2]}
(false \
|| __is_short_or_long $prevprev ${c_short} ${c_long} \
|| false) \
&& COMPREPLY=( $(compgen -W "${c_accvals}" -- ${curr}) ) \
&& return 0
((i+=3))
done
return 124
fi
# When in a complete optname, might need optvalue, e.g., `--check`
if [[ $curr =~ ^--?[:()a-zA-Z]+$ ]]
then
len=${#opts[@]}
i=0
while [[ $i -lt $len ]]
do
idx0=$(((i / 3 * 3)))
idx1=$((idx0 + 1))
idx2=$((idx1 + 1))
c_short=${opts[idx0]}
c_long=${opts[idx1]}
c_accvals=${opts[idx2]}
if __is_short_or_long $curr ${c_short} ${c_long}
then
if [[ ! -z $c_accvals ]]
then
COMPREPLY=( $(compgen -W "${curr}:" -- ${curr}) ) \
&& compopt -o nospace \
&& return 0
else
COMPREPLY=( $(compgen -W "${curr}" -- ${curr}) ) \
&& return 0
fi
fi
((i+=3))
done # while
if true
then
COMPREPLY=( $(compgen -W "${candids[*]}" -- "$curr") )
compopt -o nospace
return 0
fi
# When in an incomplete optname, e.g., `--chec`
elif [[ $curr =~ ^--?[^:]* ]]
then
if true
then
COMPREPLY=( $(compgen -W "${candids[*]}" -- "$curr") )
compopt -o nospace
return 0
fi
fi
if true
then
compopt -o filenames
COMPREPLY=( $(compgen -f -- "$curr") )
compopt -o nospace
return 0
fi
;;
esac
return 0
} &&
complete -F _nimgrep nimgrep
# ex: filetype=sh