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# gcc(1) completion -*- shell-script -*-
_gcc()
{
local cur prev prev2 words cword argument prefix prefix_length
_init_completion || return
# Test that GCC is recent enough and if not fallback to
# parsing of --completion option.
if ! $1 --completion=" " 2>/dev/null; then
if [[ $cur == -* ]]; then
local cc=$($1 -print-prog-name=cc1 2>/dev/null)
[[ $cc ]] || return
COMPREPLY=($(compgen -W "$($cc --help 2>/dev/null | tr '\t' ' ' |
command sed -e '/^ *-/!d' -e 's/ *-\([^][ <>]*\).*/-\1/')" \
-- "$cur"))
[[ ${COMPREPLY-} == *= ]] && compopt -o nospace
else
_filedir
fi
return
fi
# extract also for situations like: -fsanitize=add
if ((cword > 2)); then
prev2="${COMP_WORDS[cword - 2]}"
fi
# sample: -fsan
if [[ $cur == -* ]]; then
argument=$cur
prefix=""
# sample: -fsanitize=
elif [[ $cur == "=" && $prev == -* ]]; then
argument=$prev$cur
prefix=$prev$cur
# sample: -fsanitize=add
elif [[ $prev == "=" && $prev2 == -* ]]; then
argument=$prev2$prev$cur
prefix=$prev2$prev
# sample: --param lto-
elif [[ $prev == --param ]]; then
argument="$prev $cur"
prefix="$prev "
fi
if [[ ! -v argument ]]; then
_filedir
else
# In situation like '-fsanitize=add' $cur is equal to last token.
# Thus we need to strip the beginning of suggested option.
prefix_length=$((${#prefix} + 1))
local flags=$($1 --completion="$argument" | cut -c $prefix_length-)
[[ ${flags} == "=*" ]] && compopt -o nospace 2>/dev/null
COMPREPLY=($(compgen -W "$flags" -- ""))
fi
} &&
complete -F _gcc gcc{,-5,-6,-7,-8} g++{,-5,-6,-7,-8} g77 g95 \
gccgo{,-5,-6,-7,-8} gcj gfortran{,-5,-6,-7,-8} gpc &&
{
cc --version 2>/dev/null | command grep -q GCC ||
[[ $(_realcommand cc) == *gcc* ]] &&
complete -F _gcc cc || complete -F _minimal cc
c++ --version 2>/dev/null | command grep -q GCC ||
[[ $(_realcommand c++) == *g++* ]] &&
complete -F _gcc c++ || complete -F _minimal c++
f77 --version 2>/dev/null | command grep -q GCC ||
[[ $(_realcommand f77) == *gfortran* ]] &&
complete -F _gcc f77 || complete -F _minimal f77
f95 --version 2>/dev/null | command grep -q GCC ||
[[ $(_realcommand f95) == *gfortran* ]] &&
complete -F _gcc f95 || complete -F _minimal f95
}
# ex: filetype=sh
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