1 |
## oils_failures_allowed: 1
|
2 |
|
3 |
|
4 |
shopt --set parse_proc
|
5 |
|
6 |
f() {
|
7 |
echo "sh x=$x"
|
8 |
}
|
9 |
|
10 |
proc p {
|
11 |
echo "ysh x=$x"
|
12 |
}
|
13 |
|
14 |
demo() {
|
15 |
local x=dynamic
|
16 |
f
|
17 |
p
|
18 |
|
19 |
shopt --unset dynamic_scope
|
20 |
f
|
21 |
}
|
22 |
|
23 |
x=global
|
24 |
demo
|
25 |
echo x=$x
|
26 |
|
27 |
## STDOUT:
|
28 |
sh x=dynamic
|
29 |
ysh x=global
|
30 |
sh x=global
|
31 |
x=global
|
32 |
## END
|
33 |
|
34 |
|
35 |
|
36 |
shopt --set parse_proc
|
37 |
|
38 |
f() {
|
39 |
x=f
|
40 |
}
|
41 |
|
42 |
proc p {
|
43 |
var x = 'p'
|
44 |
}
|
45 |
|
46 |
demo() {
|
47 |
local x=stack
|
48 |
echo x=$x
|
49 |
echo ---
|
50 |
|
51 |
f
|
52 |
echo f x=$x
|
53 |
|
54 |
x=stack
|
55 |
p
|
56 |
echo p x=$x
|
57 |
|
58 |
shopt --unset dynamic_scope
|
59 |
x=stack
|
60 |
f
|
61 |
echo funset x=$x
|
62 |
}
|
63 |
|
64 |
x=global
|
65 |
demo
|
66 |
|
67 |
echo ---
|
68 |
echo x=$x
|
69 |
|
70 |
## STDOUT:
|
71 |
x=stack
|
72 |
---
|
73 |
f x=f
|
74 |
p x=stack
|
75 |
funset x=stack
|
76 |
---
|
77 |
x=global
|
78 |
## END
|
79 |
|
80 |
|
81 |
set -o errexit
|
82 |
|
83 |
read-x() {
|
84 |
echo dynamic-scope | read x
|
85 |
}
|
86 |
demo() {
|
87 |
local x=42
|
88 |
echo x_before=$x
|
89 |
read-x
|
90 |
echo x_after=$x
|
91 |
}
|
92 |
demo
|
93 |
echo x=$x
|
94 |
|
95 |
echo ---
|
96 |
|
97 |
# Now 'read x' creates a local variable
|
98 |
shopt --unset dynamic_scope
|
99 |
demo
|
100 |
echo x=$x
|
101 |
|
102 |
## STDOUT:
|
103 |
x_before=42
|
104 |
x_after=dynamic-scope
|
105 |
x=
|
106 |
---
|
107 |
x_before=42
|
108 |
x_after=42
|
109 |
x=
|
110 |
## END
|
111 |
|
112 |
|
113 |
set -o errexit
|
114 |
|
115 |
set-x() {
|
116 |
printf -v x "%s" dynamic-scope
|
117 |
}
|
118 |
demo() {
|
119 |
local x=42
|
120 |
echo x=$x
|
121 |
set-x
|
122 |
echo x=$x
|
123 |
}
|
124 |
demo
|
125 |
echo x=$x
|
126 |
|
127 |
echo ---
|
128 |
|
129 |
shopt --unset dynamic_scope # should NOT affect read
|
130 |
demo
|
131 |
echo x=$x
|
132 |
|
133 |
## STDOUT:
|
134 |
x=42
|
135 |
x=dynamic-scope
|
136 |
x=
|
137 |
---
|
138 |
x=42
|
139 |
x=42
|
140 |
x=
|
141 |
## END
|
142 |
|
143 |
|
144 |
set -o errexit
|
145 |
|
146 |
set-item() {
|
147 |
printf -v 'a[1]' "%s" dynamic-scope
|
148 |
}
|
149 |
demo() {
|
150 |
local -a a=(41 42 43)
|
151 |
echo "a[1]=${a[1]}"
|
152 |
set-item
|
153 |
echo "a[1]=${a[1]}"
|
154 |
}
|
155 |
demo
|
156 |
echo "a[1]=${a[1]}"
|
157 |
|
158 |
echo ---
|
159 |
|
160 |
shopt --unset dynamic_scope # should NOT affect read
|
161 |
demo
|
162 |
echo "a[1]=${a[1]}"
|
163 |
|
164 |
## STDOUT:
|
165 |
a[1]=42
|
166 |
a[1]=dynamic-scope
|
167 |
a[1]=
|
168 |
---
|
169 |
a[1]=42
|
170 |
a[1]=42
|
171 |
a[1]=
|
172 |
## END
|
173 |
|
174 |
|
175 |
|
176 |
set-x() {
|
177 |
: ${x=new}
|
178 |
}
|
179 |
demo() {
|
180 |
local x
|
181 |
echo x=$x
|
182 |
set-x
|
183 |
echo x=$x
|
184 |
}
|
185 |
|
186 |
demo
|
187 |
echo x=$x
|
188 |
|
189 |
echo ---
|
190 |
|
191 |
# Now this IS affected?
|
192 |
shopt --unset dynamic_scope
|
193 |
demo
|
194 |
echo x=$x
|
195 |
## STDOUT:
|
196 |
x=
|
197 |
x=new
|
198 |
x=
|
199 |
---
|
200 |
x=
|
201 |
x=
|
202 |
x=
|
203 |
## END
|
204 |
|
205 |
|
206 |
|
207 |
___g=G
|
208 |
|
209 |
show-vars() {
|
210 |
local ___x=X
|
211 |
declare -p | grep '___'
|
212 |
echo status=$?
|
213 |
|
214 |
echo -
|
215 |
declare -p ___y | grep '___'
|
216 |
echo status=$?
|
217 |
}
|
218 |
|
219 |
demo() {
|
220 |
local ___y=Y
|
221 |
|
222 |
show-vars
|
223 |
echo ---
|
224 |
shopt --unset dynamic_scope
|
225 |
show-vars
|
226 |
}
|
227 |
|
228 |
demo
|
229 |
|
230 |
## STDOUT:
|
231 |
declare -- ___g=G
|
232 |
declare -- ___x=X
|
233 |
declare -- ___y=Y
|
234 |
status=0
|
235 |
-
|
236 |
declare -- ___y=Y
|
237 |
status=0
|
238 |
---
|
239 |
declare -- ___g=G
|
240 |
declare -- ___x=X
|
241 |
status=0
|
242 |
-
|
243 |
status=1
|
244 |
## END
|
245 |
|
246 |
|
247 |
|
248 |
|
249 |
f() {
|
250 |
(( x = 42 ))
|
251 |
}
|
252 |
demo() {
|
253 |
f
|
254 |
echo x=$x
|
255 |
}
|
256 |
|
257 |
demo
|
258 |
|
259 |
echo ---
|
260 |
|
261 |
shopt --unset dynamic_scope
|
262 |
|
263 |
unset x
|
264 |
|
265 |
demo
|
266 |
|
267 |
echo --- global
|
268 |
echo x=$x
|
269 |
## STDOUT:
|
270 |
x=42
|
271 |
---
|
272 |
x=
|
273 |
--- global
|
274 |
x=
|
275 |
## END
|
276 |
|
277 |
|
278 |
|
279 |
shopt --set parse_proc
|
280 |
|
281 |
# They can't mutate globals or anything higher on the stack
|
282 |
|
283 |
proc p {
|
284 |
# TODO: declare should be disallowed in YSH, just like shell functions.
|
285 |
|
286 |
#declare g=PROC
|
287 |
#export e=PROC
|
288 |
var g = 'PROC'
|
289 |
var e = 'PROC'
|
290 |
}
|
291 |
|
292 |
f() {
|
293 |
g=SH
|
294 |
export e=SH
|
295 |
}
|
296 |
|
297 |
e=E
|
298 |
g=G
|
299 |
p
|
300 |
echo e=$e g=$g
|
301 |
|
302 |
p
|
303 |
echo e=$e g=$g
|
304 |
|
305 |
f
|
306 |
echo e=$e g=$g
|
307 |
|
308 |
## STDOUT:
|
309 |
e=E g=G
|
310 |
e=E g=G
|
311 |
e=SH g=SH
|
312 |
## END
|
313 |
|
314 |
|
315 |
shopt --set parse_proc
|
316 |
|
317 |
proc p {
|
318 |
setglobal new_global = 'p'
|
319 |
setglobal g = 'p'
|
320 |
}
|
321 |
|
322 |
var g = 'G'
|
323 |
|
324 |
p
|
325 |
|
326 |
echo g=$g new_global=$new_global
|
327 |
## STDOUT:
|
328 |
g=p new_global=p
|
329 |
## END
|
330 |
|
331 |
|
332 |
|
333 |
shopt -s ysh:upgrade
|
334 |
|
335 |
var g = {}
|
336 |
|
337 |
proc mutate {
|
338 |
var g = {'local': 1} # shadows global var
|
339 |
|
340 |
setglobal g.key = 'mutated'
|
341 |
setglobal g['key2'] = 'mutated'
|
342 |
|
343 |
echo 'local that is ignored'
|
344 |
pp test_ (g)
|
345 |
}
|
346 |
|
347 |
echo 'BEFORE mutate global'
|
348 |
pp test_ (g)
|
349 |
|
350 |
mutate
|
351 |
|
352 |
echo 'AFTER mutate global'
|
353 |
pp test_ (g)
|
354 |
|
355 |
## STDOUT:
|
356 |
BEFORE mutate global
|
357 |
(Dict) {}
|
358 |
local that is ignored
|
359 |
(Dict) {"local":1}
|
360 |
AFTER mutate global
|
361 |
(Dict) {"key":"mutated","key2":"mutated"}
|
362 |
## END
|
363 |
|
364 |
|
365 |
shopt -s ysh:upgrade
|
366 |
|
367 |
var a = [0]
|
368 |
|
369 |
proc mutate {
|
370 |
var a = [1] # shadows global var
|
371 |
|
372 |
echo 'local that is ignored'
|
373 |
setglobal a[0] = 42
|
374 |
|
375 |
pp test_ (a)
|
376 |
}
|
377 |
|
378 |
echo 'BEFORE mutate global'
|
379 |
pp test_ (a)
|
380 |
|
381 |
mutate
|
382 |
|
383 |
echo 'AFTER mutate global'
|
384 |
pp test_ (a)
|
385 |
|
386 |
## STDOUT:
|
387 |
BEFORE mutate global
|
388 |
(List) [0]
|
389 |
local that is ignored
|
390 |
(List) [1]
|
391 |
AFTER mutate global
|
392 |
(List) [42]
|
393 |
## END
|
394 |
|
395 |
|
396 |
shopt -s ysh:upgrade
|
397 |
|
398 |
var mylist = [0]
|
399 |
var mydict = {k: 0}
|
400 |
|
401 |
proc mutate {
|
402 |
# these locals are ignored
|
403 |
var mylist = []
|
404 |
var mydict = {}
|
405 |
|
406 |
setglobal mylist[0] += 5
|
407 |
setglobal mydict['k'] += 5
|
408 |
}
|
409 |
|
410 |
mutate
|
411 |
|
412 |
pp test_ (mylist)
|
413 |
pp test_ (mydict)
|
414 |
|
415 |
## STDOUT:
|
416 |
(List) [5]
|
417 |
(Dict) {"k":5}
|
418 |
## END
|
419 |
|
420 |
|
421 |
shopt -s ysh:upgrade
|
422 |
|
423 |
var mylist = [0, 1]
|
424 |
var mydict = {k: 0, n: 1}
|
425 |
|
426 |
var i = 0
|
427 |
var key = 'k'
|
428 |
|
429 |
proc mutate1 {
|
430 |
var mylist = [] # IGNORED
|
431 |
var mydict = {} # IGNORED
|
432 |
|
433 |
var i = 1
|
434 |
var key = 'n'
|
435 |
|
436 |
setglobal mylist[i] = 11
|
437 |
setglobal mydict[key] = 11
|
438 |
}
|
439 |
|
440 |
# Same thing without locals
|
441 |
proc mutate2 {
|
442 |
var mylist = [] # IGNORED
|
443 |
var mydict = {} # IGNORED
|
444 |
|
445 |
setglobal mylist[i] = 22
|
446 |
setglobal mydict[key] = 22
|
447 |
}
|
448 |
|
449 |
mutate1
|
450 |
|
451 |
pp test_ (mylist)
|
452 |
pp test_ (mydict)
|
453 |
echo
|
454 |
|
455 |
mutate2
|
456 |
|
457 |
pp test_ (mylist)
|
458 |
pp test_ (mydict)
|
459 |
|
460 |
## STDOUT:
|
461 |
(List) [0,11]
|
462 |
(Dict) {"k":0,"n":11}
|
463 |
|
464 |
(List) [22,11]
|
465 |
(Dict) {"k":22,"n":11}
|
466 |
## END
|
467 |
|
468 |
|
469 |
shopt --set parse_brace
|
470 |
shopt --set parse_proc
|
471 |
|
472 |
shellfunc() {
|
473 |
unset x
|
474 |
}
|
475 |
|
476 |
proc unset-proc() {
|
477 |
unset x
|
478 |
}
|
479 |
|
480 |
proc unset-proc-dynamic-scope() {
|
481 |
shopt --set dynamic_scope { # turn it back on
|
482 |
unset x
|
483 |
}
|
484 |
}
|
485 |
|
486 |
x=foo
|
487 |
shellfunc
|
488 |
echo shellfunc x=$x
|
489 |
|
490 |
x=bar
|
491 |
unset-proc
|
492 |
echo unset-proc x=$x
|
493 |
|
494 |
x=spam
|
495 |
unset-proc
|
496 |
echo unset-proc-dynamic-scope x=$x
|
497 |
|
498 |
## STDOUT:
|
499 |
shellfunc x=
|
500 |
unset-proc x=
|
501 |
unset-proc-dynamic-scope x=
|
502 |
## END
|
503 |
|
504 |
|
505 |
shopt -s ysh:all
|
506 |
|
507 |
proc unset-two (v, w) {
|
508 |
shopt --set dynamic_scope {
|
509 |
unset $v
|
510 |
unset $w
|
511 |
}
|
512 |
}
|
513 |
|
514 |
demo() {
|
515 |
local x=X
|
516 |
local y=Y
|
517 |
|
518 |
echo "x=$x y=$y"
|
519 |
|
520 |
unset-two x y
|
521 |
|
522 |
shopt --unset nounset
|
523 |
echo "x=$x y=$y"
|
524 |
}
|
525 |
|
526 |
demo
|
527 |
## STDOUT:
|
528 |
x=X y=Y
|
529 |
x= y=
|
530 |
## END
|
531 |
|
532 |
|
533 |
shopt --set parse_proc
|
534 |
|
535 |
myfunc() {
|
536 |
echo myfunc FOO=$FOO
|
537 |
}
|
538 |
proc myproc() {
|
539 |
echo myproc FOO=$FOO
|
540 |
}
|
541 |
|
542 |
FOO=bar myfunc
|
543 |
FOO=bar myproc
|
544 |
FOO=bar echo inline FOO=$FOO
|
545 |
FOO=bar printenv.py FOO
|
546 |
|
547 |
## STDOUT:
|
548 |
myfunc FOO=bar
|
549 |
myproc FOO=
|
550 |
inline FOO=
|
551 |
bar
|
552 |
## END
|
553 |
|
554 |
|
555 |
shopt --set ysh:upgrade
|
556 |
|
557 |
var x = 42
|
558 |
cd / {
|
559 |
var y = 0
|
560 |
var z = 1
|
561 |
echo $x $y $z
|
562 |
setvar y = 43
|
563 |
}
|
564 |
setvar z = 44
|
565 |
echo $x $y $z
|
566 |
|
567 |
## STDOUT:
|
568 |
42 0 1
|
569 |
42 43 44
|
570 |
## END
|
571 |
|
572 |
|
573 |
|
574 |
# Note: osh/split.py uses dynamic scope to look up IFS
|
575 |
# TODO: Should use LANG example to demonstrate
|
576 |
|
577 |
#shopt --set ysh:upgrade # this would disable word splitting
|
578 |
|
579 |
shopt --set parse_proc
|
580 |
shopt --set parse_brace
|
581 |
#shopt --set env_obj
|
582 |
|
583 |
s='xzx zxz'
|
584 |
|
585 |
shellfunc() {
|
586 |
echo shellfunc IFS="$IFS"
|
587 |
argv.py $s
|
588 |
}
|
589 |
|
590 |
proc myproc() {
|
591 |
echo myproc IFS="$IFS"
|
592 |
argv.py $s
|
593 |
}
|
594 |
|
595 |
IFS=: $REPO_ROOT/spec/bin/printenv.py IFS
|
596 |
|
597 |
# default value
|
598 |
echo "$IFS" | od -A n -t x1
|
599 |
|
600 |
IFS=' z'
|
601 |
echo IFS="$IFS"
|
602 |
echo
|
603 |
|
604 |
shellfunc
|
605 |
echo
|
606 |
|
607 |
IFS=' x' shellfunc
|
608 |
echo
|
609 |
|
610 |
# Problem: $IFS in procs only finds GLOBAL values, so we get IFS=' z' rather than IFS=' x'.
|
611 |
# But when actually splitting, $IFS is a 'shvar' which respects DYNAMIC scope.
|
612 |
#
|
613 |
# Can use shvarGet('IFS') instead
|
614 |
|
615 |
IFS=' x' myproc
|
616 |
echo
|
617 |
|
618 |
# YSH solution to the problem
|
619 |
shvar IFS=' x' {
|
620 |
myproc
|
621 |
}
|
622 |
|
623 |
## STDOUT:
|
624 |
:
|
625 |
20 09 0a 0a
|
626 |
IFS= z
|
627 |
|
628 |
shellfunc IFS= z
|
629 |
['x', 'x', 'x']
|
630 |
|
631 |
shellfunc IFS= x
|
632 |
['', 'z', 'z', 'z']
|
633 |
|
634 |
myproc IFS= z
|
635 |
['x', 'x', 'x']
|
636 |
|
637 |
myproc IFS= x
|
638 |
['', 'z', 'z', 'z']
|
639 |
## END
|
640 |
|
641 |
|
642 |
shopt --set ysh:upgrade
|
643 |
shopt --unset errexit
|
644 |
|
645 |
# no block
|
646 |
shvar
|
647 |
echo status=$?
|
648 |
|
649 |
shvar { # no arg
|
650 |
true
|
651 |
}
|
652 |
echo status=$?
|
653 |
|
654 |
shvar foo { # should be name=value
|
655 |
true
|
656 |
}
|
657 |
echo status=$?
|
658 |
## STDOUT:
|
659 |
status=2
|
660 |
status=2
|
661 |
status=2
|
662 |
## END
|
663 |
|
664 |
|
665 |
|
666 |
|
667 |
# On the other hand, in YSH
|
668 |
# - $x does local/closure/global scope
|
669 |
# - FOO=foo mycommand modifies the ENV object - shopt --set env_obj
|
670 |
|
671 |
shopt --set ysh:all
|
672 |
|
673 |
proc p3 {
|
674 |
echo FOO=$[shvarGet('FOO')] # dynamic scope
|
675 |
echo FOO=$FOO # fails, not dynamic scope
|
676 |
}
|
677 |
|
678 |
proc p2 {
|
679 |
p3
|
680 |
}
|
681 |
|
682 |
proc p {
|
683 |
shvar FOO=foo {
|
684 |
p2
|
685 |
}
|
686 |
}
|
687 |
|
688 |
p
|
689 |
|
690 |
## status: 1
|
691 |
## STDOUT:
|
692 |
FOO=foo
|
693 |
## END
|
694 |
|
695 |
|
696 |
|
697 |
shopt --set ysh:upgrade
|
698 |
shopt --unset nounset
|
699 |
|
700 |
echo _ESCAPER=$_ESCAPER
|
701 |
echo _DIALECT=$_DIALECT
|
702 |
|
703 |
shvar _ESCAPER=html _DIALECT=ninja {
|
704 |
echo block _ESCAPER=$_ESCAPER
|
705 |
echo block _DIALECT=$_DIALECT
|
706 |
}
|
707 |
|
708 |
echo _ESCAPER=$_ESCAPER
|
709 |
echo _DIALECT=$_DIALECT
|
710 |
|
711 |
# Now set them
|
712 |
_ESCAPER=foo
|
713 |
_DIALECT=bar
|
714 |
|
715 |
echo ___
|
716 |
|
717 |
echo _ESCAPER=$_ESCAPER
|
718 |
echo _DIALECT=$_DIALECT
|
719 |
|
720 |
shvar _ESCAPER=html _DIALECT=ninja {
|
721 |
echo block _ESCAPER=$_ESCAPER
|
722 |
echo block _DIALECT=$_DIALECT
|
723 |
|
724 |
shvar _ESCAPER=nested {
|
725 |
echo nested _ESCAPER=$_ESCAPER
|
726 |
echo nested _DIALECT=$_DIALECT
|
727 |
}
|
728 |
}
|
729 |
|
730 |
echo _ESCAPER=$_ESCAPER
|
731 |
echo _DIALECT=$_DIALECT
|
732 |
|
733 |
## STDOUT:
|
734 |
_ESCAPER=
|
735 |
_DIALECT=
|
736 |
block _ESCAPER=html
|
737 |
block _DIALECT=ninja
|
738 |
_ESCAPER=
|
739 |
_DIALECT=
|
740 |
___
|
741 |
_ESCAPER=foo
|
742 |
_DIALECT=bar
|
743 |
block _ESCAPER=html
|
744 |
block _DIALECT=ninja
|
745 |
nested _ESCAPER=nested
|
746 |
nested _DIALECT=ninja
|
747 |
_ESCAPER=foo
|
748 |
_DIALECT=bar
|
749 |
## END
|
750 |
|
751 |
|
752 |
shopt --set ysh:upgrade # blocks
|
753 |
shopt --unset simple_word_eval # test word splitting
|
754 |
|
755 |
proc foo {
|
756 |
shvar IFS=x MYTEMP=foo {
|
757 |
echo IFS="$IFS"
|
758 |
argv.py $s
|
759 |
echo MYTEMP=${MYTEMP:-undef}
|
760 |
}
|
761 |
}
|
762 |
var s = 'a b c'
|
763 |
argv.py $s
|
764 |
foo
|
765 |
argv.py $s
|
766 |
echo MYTEMP=${MYTEMP:-undef}
|
767 |
## STDOUT:
|
768 |
['a', 'b', 'c']
|
769 |
IFS=x
|
770 |
['a b c']
|
771 |
MYTEMP=foo
|
772 |
['a', 'b', 'c']
|
773 |
MYTEMP=undef
|
774 |
## END
|
775 |
|
776 |
|
777 |
shopt --set ysh:upgrade
|
778 |
|
779 |
proc myproc() {
|
780 |
echo "$IFS" | od -A n -t x1
|
781 |
|
782 |
local mylocal=x
|
783 |
shvar IFS=w {
|
784 |
echo inside IFS="$IFS"
|
785 |
echo mylocal="$mylocal" # I do NOT want a new scope!
|
786 |
}
|
787 |
echo "$IFS" | od -A n -t x1
|
788 |
}
|
789 |
|
790 |
myproc
|
791 |
## STDOUT:
|
792 |
20 09 0a 0a
|
793 |
inside IFS=w
|
794 |
mylocal=x
|
795 |
20 09 0a 0a
|
796 |
## END
|
797 |
|
798 |
|
799 |
|
800 |
shopt --set parse_proc
|
801 |
|
802 |
s='xzx zxz'
|
803 |
|
804 |
shellfunc() { # dynamic scope everywhere
|
805 |
echo shellfunc
|
806 |
echo IFS="$IFS"
|
807 |
echo shvarGet IFS=$[shvarGet('IFS')]
|
808 |
argv.py $s
|
809 |
}
|
810 |
|
811 |
proc myproc { # no dynamic scope
|
812 |
|
813 |
# Subtle behavior: we see 'x' rather than "temp frame" 'z' - I think because
|
814 |
# there is a CHAIN of __E__ enclosed scopes, up to the global frame.
|
815 |
#
|
816 |
# That frame comes FIRST. That seems OK, but it changed when procs became closures.
|
817 |
proc p2 {
|
818 |
echo "myproc -> p2"
|
819 |
echo IFS="$IFS"
|
820 |
echo shvarGet IFS=$[shvarGet('IFS')] # dynamic scope opt-in
|
821 |
argv.py $s # dynamic scope in osh/split.py
|
822 |
}
|
823 |
|
824 |
p2
|
825 |
}
|
826 |
|
827 |
IFS=x
|
828 |
|
829 |
IFS=z shellfunc
|
830 |
echo
|
831 |
|
832 |
# this makes a temp frame, but the proc can't see it?
|
833 |
IFS=z myproc
|
834 |
echo
|
835 |
|
836 |
# null
|
837 |
echo $[shvarGet('nonexistent')]
|
838 |
|
839 |
## STDOUT:
|
840 |
shellfunc
|
841 |
IFS=z
|
842 |
shvarGet IFS=z
|
843 |
['x', 'x ', 'x']
|
844 |
|
845 |
myproc -> p2
|
846 |
IFS=x
|
847 |
shvarGet IFS=x
|
848 |
['', 'z', ' z', 'z']
|
849 |
|
850 |
null
|
851 |
## END
|
852 |
|
853 |
|
854 |
shopt --set ysh:all
|
855 |
|
856 |
proc test-var {
|
857 |
var x = 'outer'
|
858 |
proc inner {
|
859 |
var x = 'inner'
|
860 |
# note: static check is broken now
|
861 |
#setvar x = 'inner'
|
862 |
echo "inner $x"
|
863 |
}
|
864 |
inner
|
865 |
echo "outer $x"
|
866 |
}
|
867 |
|
868 |
# Note: state.YshDecl flag somehow doesn't make a difference here?
|
869 |
proc test-func {
|
870 |
func x() { return ('outer') }
|
871 |
proc inner2 {
|
872 |
func x() { return ('inner') }
|
873 |
echo "inner $[x()]"
|
874 |
}
|
875 |
inner2
|
876 |
echo "outer $[x()]"
|
877 |
}
|
878 |
|
879 |
proc test-proc {
|
880 |
proc x { echo 'outer' }
|
881 |
proc inner3 {
|
882 |
proc x { echo 'inner' }
|
883 |
x
|
884 |
}
|
885 |
inner3
|
886 |
x
|
887 |
}
|
888 |
|
889 |
|
890 |
test-var
|
891 |
echo
|
892 |
|
893 |
test-func
|
894 |
echo
|
895 |
|
896 |
test-proc
|
897 |
|
898 |
## STDOUT:
|
899 |
inner inner
|
900 |
outer outer
|
901 |
|
902 |
inner inner
|
903 |
outer outer
|
904 |
|
905 |
inner
|
906 |
outer
|
907 |
## END
|