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|
foo()
{
local var=1
bar var
}
bar(string ref)
{
local var=2
eval "${ref}=3"
}
foo()
{
local var=1
bar &var
}
bar(string ref)
{
local var=2
!ref=3
}
__ref()
{
__var=${1}
case " ${__fn_vars} " in *" ${__var} "*)
printf '__fn_vars_%d_%s' ${__sp} "${__var}"
return 0
;; esac
eval "__val=\${__${__prev_tu}_static_vars}"
case " ${__val} " in *" ${__var} "*)
printf '__fn_vars_%d_%s' ${__sp} "${__var}"
return 0
;; esac
}
__derefset()
{
__var=${1}
case "${__var}" in
*[!A-Za-z0-9_]*)
printf 'Error: Invalid reference variable\n' >&2
exit 1
;;
'__fn_vars_'[A-Za-z_]*)
;;
*)
printf 'Error: Invalid reference variable\n' >&2
exit 1
;;
esac
eval "printf '%s' \${${__var#__fn_vars_}}"
}
|
