1 |
# Test Oil expressions |
2 |
|
3 |
#### command sub $(echo hi) |
4 |
var x = $(echo hi) |
5 |
var y = $(echo '') |
6 |
# Make sure we can operate on these values |
7 |
echo x=${x:-default} y=${y:-default} |
8 |
## STDOUT: |
9 |
x=hi y=default |
10 |
## END |
11 |
|
12 |
#### shell array %(a 'b c') |
13 |
shopt -s parse_at |
14 |
var x = %(a 'b c') |
15 |
var empty = %() |
16 |
argv.py / @x @empty / |
17 |
|
18 |
## STDOUT: |
19 |
['/', 'a', 'b c', '/'] |
20 |
## END |
21 |
|
22 |
#### empty array and simple_word_eval (regression test) |
23 |
shopt -s parse_at simple_word_eval |
24 |
var empty = %() |
25 |
echo len=${#empty[@]} |
26 |
argv.py / @empty / |
27 |
|
28 |
## STDOUT: |
29 |
len=0 |
30 |
['/', '/'] |
31 |
## END |
32 |
|
33 |
#### Empty array and assignment builtin (regression) |
34 |
# Bug happens with shell arrays too |
35 |
empty=() |
36 |
declare z=1 "${empty[@]}" |
37 |
echo z=$z |
38 |
## STDOUT: |
39 |
z=1 |
40 |
## END |
41 |
|
42 |
#### Shell arrays support tilde detection, static globbing, brace detection |
43 |
shopt -s parse_at simple_word_eval |
44 |
touch {foo,bar}.py |
45 |
HOME=/home/bob |
46 |
no_dynamic_glob='*.py' |
47 |
|
48 |
var x = %(~/src *.py {andy,bob}@example.com $no_dynamic_glob) |
49 |
argv.py @x |
50 |
## STDOUT: |
51 |
['/home/bob/src', 'bar.py', 'foo.py', 'andy@example.com', 'bob@example.com', '*.py'] |
52 |
## END |
53 |
|
54 |
#### augmented assignment doesn't work on shell arrays |
55 |
shopt -s parse_at simple_word_eval |
56 |
var x = %(a 'b c') |
57 |
argv.py @x |
58 |
|
59 |
setvar x += %(d e) # fatal error |
60 |
argv.py @x |
61 |
## status: 1 |
62 |
## STDOUT: |
63 |
['a', 'b c'] |
64 |
## END |
65 |
|
66 |
#### Set $HOME using 'var' (i.e. Oil string var in word evaluator) |
67 |
var HOME = "foo" |
68 |
echo $HOME |
69 |
echo ~ |
70 |
## STDOUT: |
71 |
foo |
72 |
foo |
73 |
## END |
74 |
|
75 |
#### Use shell var in Oil expression |
76 |
x='abc' |
77 |
var length = len(x) # length in BYTES, unlike ${#x} |
78 |
echo $length |
79 |
## STDOUT: |
80 |
3 |
81 |
## END |
82 |
|
83 |
#### Length in two different contexts |
84 |
x=(a b c) |
85 |
x[10]=A |
86 |
x[20]=B |
87 |
|
88 |
# shell style: length is 5 |
89 |
echo shell=${#x[@]} |
90 |
|
91 |
# Oil function call: length is 20. I think that makes sense? It's just a |
92 |
# different notion of length. |
93 |
echo oil=$len(x) |
94 |
|
95 |
## STDOUT: |
96 |
shell=5 |
97 |
oil=21 |
98 |
## END |
99 |
|
100 |
#### $len(x) inside strings |
101 |
var s = "abc" |
102 |
echo -$len(s)- |
103 |
|
104 |
# This already has a meaning ... |
105 |
#echo "-$len(x)-" |
106 |
#echo "-${len}(x)-" |
107 |
|
108 |
## STDOUT: |
109 |
-3- |
110 |
## END |
111 |
|
112 |
#### Func with multiple args in multiple contexts |
113 |
var x = max(1+2, 3+4) |
114 |
echo $x $max(1+2, 3+4) |
115 |
|
116 |
## STDOUT: |
117 |
7 7 |
118 |
## END |
119 |
|
120 |
|
121 |
#### Trailing Comma in Param list |
122 |
var x = max(1+2, 3+4,) |
123 |
echo $x $max(1+2, 3+4,) |
124 |
|
125 |
## STDOUT: |
126 |
7 7 |
127 |
## END |
128 |
|
129 |
#### nested expr contexts |
130 |
var s = "123" |
131 |
|
132 |
# lex_mode_e.ShCommand -> Expr -> ShCommand -> Expr |
133 |
var x = $(echo $'len\n' $len(s)) |
134 |
echo $x |
135 |
## STDOUT: |
136 |
len 3 |
137 |
## END |
138 |
|
139 |
|
140 |
# TODO: |
141 |
# - test keyword args |
142 |
# - test splatting *args, **kwargs |
143 |
# - Multiline parsing |
144 |
# |
145 |
# var x = max( |
146 |
# 1+2, |
147 |
# 3+4, |
148 |
# ) |
149 |
# echo $x $max( |
150 |
# 1+2, |
151 |
# 3+4, |
152 |
# ) |
153 |
|
154 |
#### Test value.Obj inside shell arithmetic |
155 |
var w = "3" |
156 |
echo lt=$(( w < 4 )) |
157 |
echo gt=$(( w > 4 )) |
158 |
|
159 |
var z = 3 |
160 |
echo lt=$(( z < 4 )) |
161 |
echo gt=$(( z > 4 )) |
162 |
## STDOUT: |
163 |
lt=1 |
164 |
gt=0 |
165 |
lt=1 |
166 |
gt=0 |
167 |
## END |
168 |
|
169 |
#### Parse { var x = 42 } |
170 |
shopt -s oil:upgrade |
171 |
g() { var x = 42 } |
172 |
|
173 |
var x = 1 |
174 |
f() { var x = 42; setvar x = 43 } |
175 |
f |
176 |
echo x=$x |
177 |
## STDOUT: |
178 |
x=1 |
179 |
## END |
180 |
|
181 |
#### double quoted |
182 |
var foo = "bar" |
183 |
var x = "-$foo-${foo}-${undef:-default}-" |
184 |
echo $x |
185 |
## STDOUT: |
186 |
-bar-bar-default- |
187 |
## END |
188 |
|
189 |
#### double quoted respects strict_array |
190 |
shopt -s strict:all |
191 |
var a = %(one two three) |
192 |
var x = "-${a[@]}-" |
193 |
echo $x |
194 |
## status: 1 |
195 |
## stdout-json: "" |
196 |
|
197 |
#### simple var sub $name $0 $1 $? etc. |
198 |
( exit 42 ) |
199 |
var status = $? |
200 |
echo status=$status |
201 |
|
202 |
set -- a b c |
203 |
var one = $1 |
204 |
var two = $2 |
205 |
echo $one $two |
206 |
|
207 |
var named = "$one" # equivalent to 'one' |
208 |
echo named=$named |
209 |
|
210 |
## STDOUT: |
211 |
status=42 |
212 |
a b |
213 |
named=a |
214 |
## END |
215 |
|
216 |
#### braced var sub ${x:-default} |
217 |
|
218 |
# without double quotes |
219 |
|
220 |
var b = ${foo:-default} |
221 |
echo $b |
222 |
var c = ${bar:-"-$b-"} |
223 |
echo $c |
224 |
|
225 |
var d = "${bar:-"-$c-"}" # another one |
226 |
echo $d |
227 |
|
228 |
## STDOUT: |
229 |
default |
230 |
-default- |
231 |
--default-- |
232 |
## END |
233 |
|
234 |
#### braced var sub respects strict_array |
235 |
set -- a b c |
236 |
var x = ${undef:-"$@"} |
237 |
echo $x |
238 |
shopt -s strict_array |
239 |
setvar x = ${undef:-"$@"} |
240 |
echo $x |
241 |
## status: 1 |
242 |
## STDOUT: |
243 |
a b c |
244 |
## END |
245 |
|
246 |
|
247 |
#### null / true / false |
248 |
shopt -s oil:upgrade |
249 |
var n = null |
250 |
if (n) { |
251 |
echo yes |
252 |
} else { |
253 |
echo no |
254 |
} |
255 |
var t = true |
256 |
if (t) { |
257 |
echo yes |
258 |
} else { |
259 |
echo no |
260 |
} |
261 |
var f = false |
262 |
if (f) { |
263 |
echo yes |
264 |
} else { |
265 |
echo no |
266 |
} |
267 |
## STDOUT: |
268 |
no |
269 |
yes |
270 |
no |
271 |
## END |
272 |
|
273 |
#### Integer literals |
274 |
var d = 123 |
275 |
var b = 0b11 |
276 |
var o = 0o123 |
277 |
var h = 0xff |
278 |
echo $d $b $o $h |
279 |
## STDOUT: |
280 |
123 3 83 255 |
281 |
## END |
282 |
|
283 |
#### Integer literals with underscores |
284 |
const dec = 65_536 |
285 |
const bin = 0b0001_0101 |
286 |
const oct = 0o001_755 |
287 |
const hex = 0x0001_000f |
288 |
|
289 |
echo SHELL |
290 |
echo $dec |
291 |
echo $bin |
292 |
echo $oct |
293 |
echo $hex |
294 |
const x = 1_1 + 0b1_1 + 0o1_1 + 0x1_1 |
295 |
echo sum $x |
296 |
|
297 |
# This works under Python 3.6, but the continuous build has earlier versions |
298 |
if false; then |
299 |
echo --- |
300 |
echo PYTHON |
301 |
|
302 |
python3 -c ' |
303 |
print(65_536) |
304 |
print(0b0001_0101) |
305 |
print(0o001_755) |
306 |
print(0x0001_000f) |
307 |
|
308 |
# Weird syntax |
309 |
print("sum", 1_1 + 0b1_1 + 0o1_1 + 0x1_1) |
310 |
' |
311 |
fi |
312 |
|
313 |
## STDOUT: |
314 |
SHELL |
315 |
65536 |
316 |
21 |
317 |
1005 |
318 |
65551 |
319 |
sum 40 |
320 |
## END |
321 |
|
322 |
#### Backslash char literal (is an integer) |
323 |
const newline = \n |
324 |
const backslash = \\ |
325 |
const sq = \' |
326 |
const dq = \" |
327 |
echo "$newline $backslash $sq $dq" |
328 |
## STDOUT: |
329 |
10 92 39 34 |
330 |
## END |
331 |
|
332 |
#### \u{3bc} is char literal |
333 |
shopt -s oil:all |
334 |
|
335 |
var mu = \u{3bc} |
336 |
if (mu === 0x3bc) { # this is the same! |
337 |
echo 'yes' |
338 |
} |
339 |
echo "mu $mu" |
340 |
## STDOUT: |
341 |
yes |
342 |
mu 956 |
343 |
## END |
344 |
|
345 |
#### Pound char literal (is an integer) |
346 |
const a = #'a' |
347 |
const A = #'A' |
348 |
echo "$a $A" |
349 |
## STDOUT: |
350 |
97 65 |
351 |
## END |
352 |
|
353 |
#### The literal #''' isn't accepted (use \' instead) |
354 |
|
355 |
# This looks too much like triple quoted strings! |
356 |
|
357 |
echo nope |
358 |
const bad = #''' |
359 |
echo "$bad" |
360 |
|
361 |
## status: 2 |
362 |
## STDOUT: |
363 |
nope |
364 |
## END |
365 |
|
366 |
#### Float Literals |
367 |
shopt -s oil:upgrade |
368 |
# 1+2 2.3 |
369 |
var x = 1.2 + 23.0e-1 # 3.5 |
370 |
if (x < 3.9) { |
371 |
echo less |
372 |
} |
373 |
if (x > 3.4) { |
374 |
echo great |
375 |
} |
376 |
## STDOUT: |
377 |
less |
378 |
great |
379 |
## END |
380 |
|
381 |
#### Float Literals with _ (requires re2c refinement) |
382 |
shopt -s oil:upgrade |
383 |
# 1+2 + 2.3 |
384 |
# add this _ here |
385 |
var x = 1.2 + 2_3.0e-1 # 3.5 |
386 |
if (x < 3.9) { |
387 |
echo less |
388 |
} |
389 |
if (x > 3.4) { |
390 |
echo great |
391 |
} |
392 |
## STDOUT: |
393 |
less |
394 |
great |
395 |
## END |
396 |
|
397 |
#### Tuples |
398 |
var zero = () |
399 |
var one = tup(42) |
400 |
var two = (1,2) |
401 |
echo $len(zero) |
402 |
echo $len(one) |
403 |
echo $len(two) |
404 |
## STDOUT: |
405 |
0 |
406 |
1 |
407 |
2 |
408 |
## END |
409 |
|
410 |
#### in, not in |
411 |
var d = [1,2,3] |
412 |
var b = 1 in d |
413 |
echo $b |
414 |
setvar b = 0 in d |
415 |
echo $b |
416 |
setvar b = 0 not in d |
417 |
echo $b |
418 |
## STDOUT: |
419 |
true |
420 |
false |
421 |
true |
422 |
## END |
423 |
|
424 |
#### dict with 'bare word' keys |
425 |
var d0 = {} |
426 |
echo len=$len(d0) |
427 |
var d1 = {name: "hello"} |
428 |
echo len=$len(d1) |
429 |
var d2 = {name: "hello", other: 2} |
430 |
echo len=$len(d2) |
431 |
## STDOUT: |
432 |
len=0 |
433 |
len=1 |
434 |
len=2 |
435 |
## END |
436 |
|
437 |
#### dict with expression keys |
438 |
var d1 = {['name']: "hello"} |
439 |
echo len=$len(d1) |
440 |
var v = d1['name'] |
441 |
echo $v |
442 |
|
443 |
var key='k' |
444 |
var d2 = {["$key"]: "bar"} |
445 |
echo len=$len(d2) |
446 |
var v2 = d2['k'] |
447 |
echo $v2 |
448 |
|
449 |
## STDOUT: |
450 |
len=1 |
451 |
hello |
452 |
len=1 |
453 |
bar |
454 |
## END |
455 |
|
456 |
|
457 |
#### dict literal with implicit value |
458 |
var name = 'foo' |
459 |
var d1 = {name} |
460 |
echo len=$len(d1) |
461 |
var v1 = d1['name'] |
462 |
echo $v1 |
463 |
|
464 |
var d2 = {name, other: 'val'} |
465 |
echo len=$len(d2) |
466 |
var v2 = d2['name'] |
467 |
echo $v2 |
468 |
|
469 |
## STDOUT: |
470 |
len=1 |
471 |
foo |
472 |
len=2 |
473 |
foo |
474 |
## END |
475 |
|
476 |
#### Dict literal with string keys |
477 |
var d = {'sq': 123} |
478 |
var v = d['sq'] |
479 |
echo $v |
480 |
|
481 |
var x = "q" |
482 |
var d2 = {"d$x": 456} |
483 |
var v2 = d2["dq"] |
484 |
echo $v2 |
485 |
## STDOUT: |
486 |
123 |
487 |
456 |
488 |
## END |
489 |
|
490 |
#### Bitwise logical |
491 |
var a = 0b0101 & 0b0011 |
492 |
echo $a |
493 |
var b = 0b0101 | 0b0011 |
494 |
echo $b |
495 |
var c = 0b0101 ^ 0b0011 |
496 |
echo $c |
497 |
var d = ~b |
498 |
echo $d |
499 |
## STDOUT: |
500 |
1 |
501 |
7 |
502 |
6 |
503 |
-8 |
504 |
## END |
505 |
|
506 |
#### Shift operators |
507 |
var a = 1 << 4 |
508 |
echo $a |
509 |
var b = 16 >> 4 |
510 |
echo $b |
511 |
## STDOUT: |
512 |
16 |
513 |
1 |
514 |
## END |
515 |
|
516 |
#### Exponentiation with ** |
517 |
var x = 2**3 |
518 |
echo $x |
519 |
|
520 |
var y = 2.0 ** 3.0 # NOT SUPPORTED |
521 |
echo 'should not get here' |
522 |
|
523 |
## status: 3 |
524 |
## STDOUT: |
525 |
8 |
526 |
## END |
527 |
|
528 |
#### Two Kinds of Division |
529 |
var x = 5/2 |
530 |
echo $x |
531 |
var y = 5 // 2 |
532 |
echo $y |
533 |
## STDOUT: |
534 |
2.5 |
535 |
2 |
536 |
## END |
537 |
|
538 |
#### mod operator |
539 |
= 5 % 3 |
540 |
= -5 % 3 |
541 |
## STDOUT: |
542 |
(Int) 2 |
543 |
(Int) 1 |
544 |
## END |
545 |
|
546 |
#### Logical operators |
547 |
var a = not true |
548 |
echo $a |
549 |
var b = true and false |
550 |
echo $b |
551 |
var c = true or false |
552 |
echo $c |
553 |
|
554 |
# TODO: These should be spelled 'false' 'false' 'true'? |
555 |
|
556 |
## STDOUT: |
557 |
false |
558 |
false |
559 |
true |
560 |
## END |
561 |
|
562 |
#### x if b else y |
563 |
var b = true |
564 |
var i = 42 |
565 |
var t = i+1 if b else i-1 |
566 |
echo $t |
567 |
var f = i+1 if false else i-1 |
568 |
echo $f |
569 |
## STDOUT: |
570 |
43 |
571 |
41 |
572 |
## END |
573 |
|
574 |
#### multiline strings, list, tuples, etc. |
575 |
var dq = " |
576 |
dq |
577 |
2 |
578 |
" |
579 |
echo dq=$len(dq) |
580 |
|
581 |
var sq = ' |
582 |
sq |
583 |
2 |
584 |
' |
585 |
echo sq=$len(sq) |
586 |
|
587 |
var mylist = [ |
588 |
1, |
589 |
2, |
590 |
3, |
591 |
] |
592 |
echo mylist=$len(mylist) |
593 |
|
594 |
var mytuple = (1, |
595 |
2, 3) |
596 |
echo mytuple=$len(mytuple) |
597 |
|
598 |
## STDOUT: |
599 |
dq=6 |
600 |
sq=6 |
601 |
mylist=3 |
602 |
mytuple=3 |
603 |
## END |
604 |
|
605 |
#### multiline dict |
606 |
|
607 |
# Note: a pair has to be all on one line. We could relax that but there isn't |
608 |
# a strong reason to now. |
609 |
|
610 |
var mydict = { a:1, |
611 |
b: 2, |
612 |
} |
613 |
echo mydict=$len(mydict) |
614 |
## STDOUT: |
615 |
mydict=2 |
616 |
## END |
617 |
|
618 |
#### multiline array and command sub (only here docs disallowed) |
619 |
var array = %( |
620 |
one |
621 |
two |
622 |
three |
623 |
) |
624 |
echo array=$len(array) |
625 |
|
626 |
var comsub = $( |
627 |
echo hi |
628 |
echo bye |
629 |
) |
630 |
echo comsub=$len(comsub) |
631 |
|
632 |
## STDOUT: |
633 |
array=3 |
634 |
comsub=6 |
635 |
## END |
636 |
|
637 |
#### obj.attr and obj.method() |
638 |
var s = 'hi' |
639 |
|
640 |
# TODO: This does a bound method thing we probably don't want |
641 |
var s2 = s.upper() |
642 |
echo $s2 |
643 |
## STDOUT: |
644 |
HI |
645 |
## END |
646 |
|
647 |
#### obj.method does NOT give you a bound method |
648 |
var s = 'hi' |
649 |
var method = s.upper |
650 |
echo $method |
651 |
## status: 2 |
652 |
## stdout-json: "" |
653 |
|
654 |
#### d->key |
655 |
var d = {name: 'andy'} |
656 |
var x = d->name |
657 |
echo $x |
658 |
## STDOUT: |
659 |
andy |
660 |
## END |
661 |
|
662 |
#### a ++ b for string/list concatenation |
663 |
var i = 'abc' |
664 |
var j = 'de' |
665 |
var k = i ++ j |
666 |
echo $k |
667 |
|
668 |
var a = [1, 2] |
669 |
var b = [3] |
670 |
var c = a ++ b |
671 |
echo len=$len(c) |
672 |
|
673 |
## STDOUT: |
674 |
abcde |
675 |
len=3 |
676 |
## END |
677 |
|
678 |
#### s ~~ glob and s !~~ glob |
679 |
shopt -s oil:all |
680 |
|
681 |
if ('foo.py' ~~ '*.py') { |
682 |
echo yes |
683 |
} |
684 |
if ('foo.py' !~~ '*.sh') { |
685 |
echo no |
686 |
} |
687 |
## STDOUT: |
688 |
yes |
689 |
no |
690 |
## END |
691 |
|
692 |
#### Type Errors |
693 |
shopt --set parse_brace |
694 |
|
695 |
# TODO: It might be nice to get a message |
696 |
try { |
697 |
var x = {} + [] |
698 |
} |
699 |
echo $_status |
700 |
|
701 |
try { |
702 |
setvar x = {} + 3 |
703 |
} |
704 |
echo $_status |
705 |
|
706 |
try { |
707 |
_ 'foo' ++ 3 |
708 |
} |
709 |
echo $_status |
710 |
|
711 |
try { |
712 |
= 'foo' ++ 3 |
713 |
} |
714 |
echo $_status |
715 |
|
716 |
## STDOUT: |
717 |
3 |
718 |
3 |
719 |
3 |
720 |
3 |
721 |
## END |
722 |
|
723 |
|
724 |
#### can't use ++ on integers |
725 |
var x = 12 ++ 3 |
726 |
echo $x |
727 |
## status: 3 |
728 |
## STDOUT: |
729 |
## END |
730 |
|
731 |
#### can't do mystr ++ mylist |
732 |
= ["s"] + "t" |
733 |
## status: 3 |
734 |
## STDOUT: |
735 |
## END |
736 |
|
737 |
|
738 |
|