########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1982-2012 AT&T Intellectual Property #
# and is licensed under the #
# Eclipse Public License, Version 1.0 #
# by AT&T Intellectual Property #
# #
# A copy of the License is available at #
# http://www.eclipse.org/org/documents/epl-v10.html #
# (with md5 checksum b35adb5213ca9657e911e9befb180842) #
# #
# Information and Software Systems Research #
# AT&T Research #
# Florham Park NJ #
# #
# David Korn <dgk@research.att.com> #
# #
########################################################################
function err_exit
{
print -u2 -n "\t"
print -u2 -r ${Command}[$1]: "${@:2}"
let Errors+=1
}
alias err_exit='err_exit $LINENO'
Command=${0##*/}
integer Errors=0
tmp=$(mktemp -dt) || { err_exit mktemp -dt failed; exit 1; }
trap "cd /; rm -rf $tmp" EXIT
function checkref
{
nameref foo=$1 bar=$2
if [[ $foo != $bar ]]
then err_exit "foo=$foo != bar=$bar"
fi
foo=hello
if [[ $foo != $bar ]]
then err_exit "foo=$foo != bar=$bar"
fi
foo.child=child
if [[ ${foo.child} != ${bar.child} ]]
then err_exit "foo.child=${foo.child} != bar=${bar.child}"
fi
}
name=first
checkref name name
name.child=second
checkref name name
.foo=top
.foo.bar=next
checkref .foo.bar .foo.bar
if [[ ${.foo.bar} != hello ]]
then err_exit ".foo.bar=${.foo.bar} != hello"
fi
if [[ ${.foo.bar.child} != child ]]
then err_exit ".foo.bar.child=${.foo.bar.child} != child"
fi
function func1
{
nameref color=$1
func2 color
}
function func2
{
nameref color=$1
set -s -- ${!color[@]}
print -r -- "$@"
}
typeset -A color
color[apple]=red
color[grape]=purple
color[banana]=yellow
if [[ $(func1 color) != 'apple banana grape' ]]
then err_exit "nameref or nameref not working"
fi
nameref x=.foo.bar
if [[ ${!x} != .foo.bar ]]
then err_exit "${!x} not working"
fi
typeset +n x $(typeset +n)
unset x
nameref x=.foo.bar
function x.set
{
[[ ${.sh.value} ]] && print hello
}
if [[ $(.foo.bar.set) != $(x.set) ]]
then err_exit "function references not working"
fi
if [[ $(typeset +n) != x ]]
then err_exit "typeset +n doesn't list names of reference variables"
fi
if [[ $(typeset -n) != x=.foo.bar ]]
then err_exit "typeset +n doesn't list values of reference variables"
fi
file=$tmp/test
typeset +n foo bar 2> /dev/null
unset foo bar
export bar=foo
nameref foo=bar
if [[ $foo != foo ]]
then err_exit "value of nameref foo != $foo"
fi
cat > $file <<\!
print -r -- $foo
!
chmod +x "$file"
y=$( $file)
if [[ $y != '' ]]
then err_exit "reference variable not cleared"
fi
{
command nameref xx=yy
command nameref yy=xx
} 2> /dev/null && err_exit "self reference not detected"
typeset +n foo bar
unset foo bar
set foo
nameref bar=$1
foo=hello
if [[ $bar != hello ]]
then err_exit 'nameref of positional paramters outside of function not working'
fi
unset foo bar
bar=123
function foobar
{
typeset -n foo=bar
typeset -n foo=bar
}
foobar 2> /dev/null || err_exit 'nameref not unsetting previous reference'
(
nameref short=verylong
short=( A=a B=b )
if [[ ${verylong.A} != a ]]
then err_exit 'nameref short to longname compound assignment error'
fi
) 2> /dev/null|| err_exit 'nameref short to longname compound assignment error'
unset x
if [[ $(var1=1 var2=2
for i in var1 var2
do nameref x=$i
print $x
done) != $'1\n2' ]]
then err_exit 'for loop nameref optimization error'
fi
if [[ $(typeset -A var1 var2
var1[sub1]=1 var2[sub2]=1
for i in var1 var2
do
typeset -n array=$i
print ${!array[*]}
done) != $'sub1\nsub2' ]]
then err_exit 'for loop nameref optimization test2 error'
fi
unset -n x foo bar
if [[ $(nameref x=foo;for x in foo bar;do print ${!x};done) != $'foo\nbar' ]]
then err_exit 'for loop optimization with namerefs not working'
fi
if [[ $(
p=(x=(r=3) y=(r=4))
for i in x y
do nameref x=p.$i
print ${x.r}
done
) != $'3\n4' ]]
then err_exit 'nameref optimization error'
fi
[[ $(
unset x y var
var=(foo=bar)
for i in y var
do typeset -n x=$i
if [[ ${!x.@} ]]
then print ok
fi
typeset +n x
done) != ok ]] && err_exit 'invalid for loop optimization of name references'
function setval # name value
{
nameref arg=$1
nameref var=arg.bar
var=$2
}
foo=( integer bar=0)
setval foo 5
(( foo.bar == 5)) || err_exit 'nested nameref not working'
function selfref
{
typeset -n ps=$1
print -r -- "${ps}"
}
ps=(a=1 b=2)
[[ $(selfref ps) == *a=1* ]] || err_exit 'local nameref cannot reference global variable of the same name'
function subref
{
typeset -n foo=$1
print -r -- ${foo.a}
}
[[ $(subref ps) == 1 ]] || err_exit 'local nameref cannot reference global variable child'
function local
{
typeset ps=(typeset -i a=3 b=4)
[[ $(subref ps) == 3 ]] || err_exit 'local nameref cannot reference caller compound variable'
}
local
unset -f local
function local
{
qs=(integer a=3; integer b=4)
}
local 2> /dev/null || err_exit 'function local has non-zero exit status'
[[ ${qs.a} == 3 ]] || err_exit 'function cannot set compound global variable'
unset fun i
foo=(x=hi)
function fun
{
nameref i=$1
print -r -- "${i.x}"
}
i=foo
[[ $(fun $i) == hi ]] || err_exit 'nameref for compound variable with in function name of caller fails'
unset -n foo bar
typeset -A foo
foo[x.y]=(x=3 y=4)
nameref bar=foo[x.y]
[[ ${bar.x} == 3 ]] || err_exit 'nameref to subscript containing . fails'
[[ ${!bar} == 'foo[x.y]' ]] || err_exit '${!var} not correct for nameref to an array instance'
typeset +n bar
nameref bar=foo
[[ ${!bar} == foo ]] || err_exit '${!var} not correct for nameref to array variable'
$SHELL -c 'function bar { nameref x=foo[++];};typeset -A foo;bar' 2> /dev/null ||err_exit 'nameref of associative array tries to evaluate subscript'
i=$($SHELL -c 'nameref foo=bar; bar[2]=(x=3 y=4); nameref x=foo[2].y;print -r -- $x' 2> /dev/null)
[[ $i == 4 ]] || err_exit 'creating reference from subscripted variable whose name is a reference failed'
[[ $($SHELL 2> /dev/null <<- '+++EOF'
function bar
{
nameref x=$1
print -r -- "$x"
}
function foo
{
typeset var=( foo=hello)
bar var
}
foo
+++EOF
) == *foo=hello* ]] || err_exit 'unable to display compound variable from name reference of local variable'
#set -x
for c in '=' '[' ']' '\' "'" '"' '<' '=' '('
do [[ $($SHELL 2> /dev/null <<- ++EOF++
i=\\$c;typeset -A a; a[\$i]=foo;typeset -n x=a[\$i]; print "\$x"
++EOF++
) != foo ]] && err_exit 'nameref x=a[$c] '"not working for c=$c"
done
for c in '=' '[' ']' '\' "'" '"' '<' '=' '('
do [[ $($SHELL 2> /dev/null <<- ++EOF++
i=\\$c;typeset -A a; a[\$i]=foo;b=a[\$i];typeset -n x=\$b; print "\$x"
++EOF++
) != foo ]] && err_exit 'nameref x=$b with b=a[$c] '"not working for c=$c"
done
unset -n foo x
unset foo x
typeset -A foo
nameref x=foo[xyz]
foo[xyz]=ok
[[ $x == ok ]] || err_exit 'nameref to unset subscript not working'
function function2
{
nameref v=$1
v.x=19 v.y=20
}
function function1
{
typeset compound_var=()
function2 compound_var
printf "x=%d, y=%d\n" compound_var.x compound_var.y
}
x="$(function1)"
[[ "$x" != 'x=19, y=20' ]] && err_exit "expected 'x=19, y=20', got '${x}'"
typeset +n bar
unset foo bar
[[ $(function a
{
for i in foo bar
do typeset -n v=$i
print $v
done | cat
}
foo=1 bar=2;a) == $'1\n2' ]] 2> /dev/null || err_exit 'nameref in pipeline broken'
function a
{
typeset -n v=vars.data._1
print "${v.a} ${v.b}"
}
vars=(data=())
vars.data._1.a=a.1
vars.data._1.b=b.1
[[ $(a) == 'a.1 b.1' ]] || err_exit 'nameref choosing wrong scope -- '
typeset +n bam zip foo
unset bam zip foo
typeset -A foo
foo[2]=bar
typeset -n bam=foo[2]
typeset -n zip=bam
[[ $zip == bar ]] || err_exit 'nameref to another nameref to array element fails'
[[ -R zip ]] || err_exit '[[ -R zip ]] should detect that zip is a reference'
[[ -R bam ]] || err_exit '[[ -R bam ]] should detect that bam is a reference'
[[ -R zip ]] || err_exit '[[ -v zip ]] should detect that zip is set'
[[ -v bam ]] || err_exit '[[ -v bam ]] should detect that bam is set'
[[ -R 123 ]] && err_exit '[[ -R 123 ]] should detect that 123 is not a reference'
[[ -v 123 ]] && err_exit '[[ -v 123 ]] should detect that 123 is not set'
unset ref x
typeset -n ref
x=3
function foobar
{
typeset xxx=3
ref=xxx
return 0
}
foobar 2> /dev/null && err_exit 'invalid reference should cause foobar to fail'
[[ -v ref ]] && err_exit '$ref should be unset'
ref=x
[[ $ref == 3 ]] || err_exit "\$ref is $ref, it should be 3"
function foobar
{
typeset fvar=()
typeset -n ref=fvar.foo
ref=ok
print -r $ref
}
[[ $(foobar) == ok ]] 2> /dev/null || err_exit 'nameref in function not creating variable in proper scope'
function foobar
{
nameref doc=docs
nameref bar=doc.num
[[ $bar == 2 ]] || err_exit 'nameref scoping error'
}
docs=(num=2)
foobar
typeset +n x y
unset x y
typeset -A x
x[a]=(b=c)
typeset -n y=x[a]
[[ ${!y.@} == 'x[a].b' ]] || err_exit 'reference to array element not expanded with ${!y.@}'
typeset +n v
v=()
k=a.b.c/d
command typeset -n n=v.${k//['./']/_} 2> /dev/null || err_exit 'patterns with quotes not handled correctly with name reference assignment'
typeset _n sp
nameref sp=addrsp
sp[14]=( size=1 )
[[ -v sp[19] ]] && err_exit '[[ -v sp[19] ]] where sp is a nameref should not be set'
function fun2
{
nameref var=$1
var.foo=bar
}
function fun1
{
compound -S container
fun2 container
[[ $container == *foo=bar* ]] || err_exit 'name references to static compound variables in parent scope not working'
}
fun1
function fun2
{
nameref var=$1
var.foo=bar
}
typeset -T container_t=(
typeset foo
)
function fun1
{
container_t -S container
fun2 container
[[ $container == *foo=bar* ]] || err_exit 'name references to static type variables in parent scope not working'
}
fun1
function fun2
{
nameref var=$1
nameref node=var.foo
node=bar
}
function fun3
{
fun2 container #2> /dev/null
}
compound container
fun3
[[ $container == *foo=bar* ]] || err_exit 'name reference to a name reference variable in a function not working'
typeset -A x=( [a]=1 )
nameref c=x[h]
[[ -v x[h] ]] && err_exit 'creating reference to non-existant associative array element causes element to get added'
unset a
function x
{
nameref a=a
(( $# > 0 )) && typeset -A a
a[a b]=${1-99} # this was cauing a syntax on the second call
}
x 7
x 2> /dev/null
[[ ${a[a b]} == 99 ]] || err_exit 'nameref not handling subscript correctly'
nameref sizes=baz
typeset -A -i sizes
sizes[bar]=1
[[ ${sizes[*]} == 1 ]] || err_exit 'adding -Ai attribute to name referenced variable not working'
$SHELL 2> /dev/null -c 'nameref foo=bar; typeset -A foo; (( (x=foo[a])==0 ))' || err_exit 'references inside arithmetic expressions not working'
:
unset ar z
integer -a ar
nameref z=ar[0]
(( z[2]=3))
[[ ${ar[0][2]} == 3 ]] || err_exit "\${ar[0][2]} is '${ar[0][2]}' but should be 3"
(( ar[0][2] == 3 )) || err_exit "ar[0][2] is '${ar[0][2]}' but should be 3"
unset c x
typeset +n c x
compound c=( typeset -a x )
nameref x=c.x
x[4]=1
[[ ${ typeset -p c.x ;} == *-C* ]] && err_exit 'c.x should not have -C attributes'
{ $SHELL 2> /dev/null <<- \EOF
typeset -T xxx_t=(
float x=1 y=2
typeset name=abc
)
xxx_t x
nameref r=x.y
[[ $r == 2 ]] || exit 1
unset x
[[ ${!r} == .deleted ]] || exit 2
EOF
} 2> /dev/null #|| print -u2 bad
exitval=$?
if [[ $(kill -l $exitval) == SEGV ]]
then print -u2 'name reference to unset type instance causes segmentation violation'
else if((exitval))
then print -u2 'name reference to unset type instance not redirected to .deleted'
fi
fi
typeset +n nr
unset c nr
compound c
compound -A c.a
nameref nr=c.a[hello]
[[ ${!nr} == "c.a[hello]" ]] || err_exit 'name reference nr to unset associative array instance does not expand ${!nr} correctly.'
typeset +n nr
compound -a c.b
nameref nr=c.b[2]
[[ ${!nr} == "c.b[2]" ]] || err_exit 'name reference nr to unset indexed array instance does not expand ${!nr} correctly.'
typeset +n a b
unset a b
typeset -n a=ls[0] b=ls[1]
read line << \!
3 4
!
set -A ls -- $line
[[ $a == 3 ]] || err_exit 'name reference to ls[0] when ls is not an array fails'
$SHELL 2> /dev/null <<-\EOF || err_exit 'nameref to array element fails'
set -o errexit
function bf {
nameref treename=$1
nodepath="treename" ;
nameref x="$nodepath"
compound -A x.nodes
nameref node=treename.nodes[4]
node=()
typeset +p node.elements
}
compound c
bf c
EOF
function add_compound
{
nameref arr=$1
arr[34]+=( float val=1.1 )
}
compound -a rootcpv
nameref mycpv=rootcpv[4][8][16][32][64]
compound -a mycpv.myindexedcompoundarray
add_compound mycpv.myindexedcompoundarray
(( mycpv.myindexedcompoundarray[34].val == 1.1 )) || err_exit 'nameref scoping error'
function add_file_to_tree
{
nameref node=$1
compound -A node.elements
node.elements[/]=(filepath=foobar)
}
function main
{
compound filetree
add_file_to_tree filetree
}
main 2> /dev/null
[[ $? == 0 ]] || err_exit 'nameref binding to calling function compound variable failed'
unset l
typeset -a -C l
printf "( typeset -a ar=( 1\n2\n3\n) b=1 )\n" | read -C l[4][6]
exp=$(print -v l)
unset l
typeset -a -C l
nameref l4=l[4]
printf "( typeset -a ar=( 1\n2\n3\n) b=1 )\n" | read -C l4[6]
[[ $(print -v l) == "$exp" ]] || err_exit 'nameref l4=l[4] not working'
unset l
typeset -a -C l
nameref l46=l[4][6]
printf "( typeset -a ar=( 1\n2\n3\n) b=1 )\n" | read -C l46
[[ $(print -v l) == "$exp" ]] || err_exit 'nameref l46=l[4][6] not working'
exp=$'(\n\t[4]=(\n\t\ttypeset -a ar=(\n\t\t\t1\n\t\t\t2\n\t\t)\n\t\tb=1\n\t)\n)'
unset l
typeset +n l4
typeset -a -C l
nameref l4=l[4]
printf "( typeset -a ar=( 1\n2\n) b=1 )\n" | read -C l4
[[ $(print -v l) == "$exp" ]] || err_exit 'nameref l4=l[4] not working with indexed array read'
unset l
typeset +n l4
typeset -A -C l
nameref l4=l[4]
printf "( typeset -a ar=( 1\n2\n) b=1 )\n" | read -C l4
[[ $(print -v l) == "$exp" ]] || err_exit 'nameref l4=l[4] not working with associative array read'
exp=$'(\n\t[9]=(\n\t\tfish=4\n\t)\n)'
function add_eval
{
nameref pos=$1
source /dev/stdin <<<"$2"
typeset -m pos=addvar
}
function do_local_plain
{
compound -A local_tree
add_eval local_tree[9].fish "typeset -i addvar=4"
[[ $(print -v local_tree) == "$exp" ]] || err_exit 'do_local_plain failed'
}
function do_global_throughnameref
{
nameref tr=global_tree
add_eval tr[9].fish "typeset -i addvar=4"
[[ $(print -v tr) == "$exp" ]] || err_exit 'do_global_throughnameref failed'
}
function do_local_throughnameref
{
compound -A local_tree
nameref tr=local_tree
add_eval tr[9].fish "typeset -i addvar=4"
[[ $(print -v tr) == "$exp" ]] || err_exit 'do_local_throughnameref failed'
}
compound -A global_tree
do_global_throughnameref
do_local_throughnameref
do_local_plain
unset ar
compound -a ar
function read_c
{
nameref v=$1
read -C v
}
print "( typeset -i x=36 ) " | read_c ar[5][9][2]
exp=$'(\n\t[5]=(\n\t\t[9]=(\n\t\t\t[2]=(\n\t\t\t\ttypeset -i x=36\n\t\t\t)\n\t\t)\n\t)\n)'
[[ $(print -v ar) == "$exp" ]] || err_exit 'read into nameref of global array instance from within a function fails'
function read_c
{
nameref v=$1
read -C v
}
function main
{
compound -a ar
nameref nar=ar
print "( typeset -i x=36 ) " | read_c nar[5][9][2]
exp=$'(\n\t[5]=(\n\t\t[9]=(\n\t\t\t[2]=(\n\t\t\t\ttypeset -i x=36\n\t\t\t)\n\t\t)\n\t)\n)'
[[ $(print -v nar) == "$exp" ]] || err_exit 'read from a nameref variable from calling scope fails'
}
main
function rf2
{
nameref val=$1
read -C val
}
function rf
{
nameref val=$1
rf2 val
}
function main
{
compound c
typeset -A -C c.l
nameref l4=c.l[4]
printf "( typeset -a ar=( 1\n2\n3\n) b=1 )\n" | rf l4
exp=$'(\n\ttypeset -C -A l=(\n\t\t[4]=(\n\t\t\ttypeset -a ar=(\n\t\t\t\t1\n\t\t\t\t2\n\t\t\t\t3\n\t\t\t)\n\t\t\tb=1\n\t\t)\n\t)\n)'
[[ $(print -v c) == "$exp" ]] || err_exit 'read -C with nameref to array element fails'
}
main
# bug reported by ek
cfg=( alarms=(type=3))
function a
{
typeset -n y=$1
print -- ${y.type}
}
function b
{
a $1
}
[[ $(a cfg.alarms) == 3 ]] || err_exit "nameref scoping error in function"
[[ $(b cfg.alarms) == 3 ]] || err_exit "nameref scoping error in nested function"
function yy
{
nameref n=$1
n=( z=4 )
}
yy foo
unset foo
[[ $foo ]] && err_exit 'unset after creating via nameref in function not working'
unset arr
typeset -a arr=( ( 1 2 3 ) ( 4 5 6 ) ( 7 8 9 ))
typeset -n ref=arr[1]
[[ $ref == 4 ]] || err_exit '$ref should be 4'
[[ ${ref[@]} == '4 5 6' ]] || err_exit '${ref[@]} should be "4 5 6"'
[[ $ref == "${arr[1]}" ]] || err_exit '$ref shuld be ${arr[1]}'
[[ ${ref[@]} == "${arr[1][@]}" ]] || err_exit '${ref[@]} should be ${arr[1][@]}'
function fun2
{
nameref var=$1.foo
var=$2
}
function fun1
{
xxx=$1
fun2 $xxx bam
}
args=(bar=yes)
fun1 args
[[ $args == *foo=bam* ]] || err_exit 'nameref does not bind to correct scope'
typeset +n ref
unset ref ar
typeset -a arr=( 1 2 3 )
typeset -n ref='arr[2]'
[[ $(typeset -p ref) == *'arr[2]'* ]] || err_exit 'typeset -p ref when ref is a reference to an index array element is wrong'
$SHELL 2> /dev/null -c 'function x { nameref lv=gg ; compound -A lv.c=( [4]=( x=1 )) ; } ; compound gg ; x' || err_exit 'compound array assignment with nameref in a function failed'
exit $((Errors<125?Errors:125))