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 |
#### @range() |
130 |
shopt -s oil:all |
131 |
write @range(10, 15, 2) |
132 |
## STDOUT: |
133 |
10 |
134 |
12 |
135 |
14 |
136 |
## END |
137 |
|
138 |
#### Wrong sigil $range() shows representation of iterator? |
139 |
shopt -s oil:basic |
140 |
echo $range(10, 15, 2) |
141 |
## STDOUT: |
142 |
TODO |
143 |
## END |
144 |
|
145 |
#### Wrong sigil @max(3, 4) |
146 |
shopt -s oil:basic |
147 |
write @max(3, 4) |
148 |
## STDOUT: |
149 |
TODO |
150 |
## END |
151 |
|
152 |
|
153 |
#### nested expr contexts |
154 |
var s = "123" |
155 |
|
156 |
# lex_mode_e.ShCommand -> Expr -> ShCommand -> Expr |
157 |
var x = $(echo 'len\n' $len(s)) |
158 |
echo $x |
159 |
## STDOUT: |
160 |
len |
161 |
3 |
162 |
## END |
163 |
|
164 |
|
165 |
# TODO: |
166 |
# - test keyword args |
167 |
# - test splatting *args, **kwargs |
168 |
# - Multiline parsing |
169 |
# |
170 |
# var x = max( |
171 |
# 1+2, |
172 |
# 3+4, |
173 |
# ) |
174 |
# echo $x $max( |
175 |
# 1+2, |
176 |
# 3+4, |
177 |
# ) |
178 |
|
179 |
#### Test value.Obj inside shell arithmetic |
180 |
var w = "3" |
181 |
echo lt=$(( w < 4 )) |
182 |
echo gt=$(( w > 4 )) |
183 |
|
184 |
var z = 3 |
185 |
echo lt=$(( z < 4 )) |
186 |
echo gt=$(( z > 4 )) |
187 |
## STDOUT: |
188 |
lt=1 |
189 |
gt=0 |
190 |
lt=1 |
191 |
gt=0 |
192 |
## END |
193 |
|
194 |
#### Parse { var x = 42 } |
195 |
shopt -s oil:basic |
196 |
g() { var x = 42 } |
197 |
|
198 |
var x = 1 |
199 |
f() { var x = 42; setvar x = 43 } |
200 |
f |
201 |
echo x=$x |
202 |
## STDOUT: |
203 |
x=1 |
204 |
## END |
205 |
|
206 |
#### double quoted |
207 |
var foo = "bar" |
208 |
var x = "-$foo-${foo}-${undef:-default}-" |
209 |
echo $x |
210 |
## STDOUT: |
211 |
-bar-bar-default- |
212 |
## END |
213 |
|
214 |
#### double quoted respects strict_array |
215 |
shopt -s oil:basic |
216 |
var a = %(one two three) |
217 |
var x = "-${a[@]}-" |
218 |
echo $x |
219 |
## status: 1 |
220 |
## stdout-json: "" |
221 |
|
222 |
#### single quoted -- implicit and explicit raw |
223 |
var x = 'foo bar' |
224 |
echo $x |
225 |
setvar x = r'foo bar' # Same string |
226 |
echo $x |
227 |
setvar x = r'\t\n' # This is raw |
228 |
echo $x |
229 |
## STDOUT: |
230 |
foo bar |
231 |
foo bar |
232 |
\t\n |
233 |
## END |
234 |
|
235 |
#### Implicit raw single quote with backslash is a syntax error |
236 |
var x = '\t\n' |
237 |
echo $x |
238 |
## status: 2 |
239 |
## stdout-json: "" |
240 |
|
241 |
#### single quoted C strings: c'foo\n' and $'foo\n' |
242 |
var x = c'foo\nbar' |
243 |
echo "$x" |
244 |
var y = $'foo\nbar' |
245 |
echo "$y" |
246 |
## STDOUT: |
247 |
foo |
248 |
bar |
249 |
foo |
250 |
bar |
251 |
## END |
252 |
|
253 |
#### simple var sub $name $0 $1 $? etc. |
254 |
( exit 42 ) |
255 |
var status = $? |
256 |
echo status=$status |
257 |
|
258 |
set -- a b c |
259 |
var one = $1 |
260 |
var two = $2 |
261 |
echo $one $two |
262 |
|
263 |
var named = $one # equivalent to 'one' |
264 |
echo named=$named |
265 |
|
266 |
## STDOUT: |
267 |
status=42 |
268 |
a b |
269 |
named=a |
270 |
## END |
271 |
|
272 |
#### braced var sub ${x:-default} |
273 |
|
274 |
# without double quotes |
275 |
|
276 |
var b = ${foo:-default} |
277 |
echo $b |
278 |
var c = ${bar:-"-$b-"} |
279 |
echo $c |
280 |
|
281 |
var d = "${bar:-"-$c-"}" # another one |
282 |
echo $d |
283 |
|
284 |
## STDOUT: |
285 |
default |
286 |
-default- |
287 |
--default-- |
288 |
## END |
289 |
|
290 |
#### braced var sub respects strict_array |
291 |
set -- a b c |
292 |
var x = ${undef:-"$@"} |
293 |
echo $x |
294 |
shopt -s strict_array |
295 |
setvar x = ${undef:-"$@"} |
296 |
echo $x |
297 |
## status: 1 |
298 |
## STDOUT: |
299 |
a b c |
300 |
## END |
301 |
|
302 |
|
303 |
#### null / true / false |
304 |
shopt -s oil:basic |
305 |
var n = null |
306 |
if (n) { |
307 |
echo yes |
308 |
} else { |
309 |
echo no |
310 |
} |
311 |
var t = true |
312 |
if (t) { |
313 |
echo yes |
314 |
} else { |
315 |
echo no |
316 |
} |
317 |
var f = false |
318 |
if (f) { |
319 |
echo yes |
320 |
} else { |
321 |
echo no |
322 |
} |
323 |
## STDOUT: |
324 |
no |
325 |
yes |
326 |
no |
327 |
## END |
328 |
|
329 |
#### Integer literals |
330 |
var d = 123 |
331 |
var b = 0b11 |
332 |
var o = 0o123 |
333 |
var h = 0xff |
334 |
echo $d $b $o $h |
335 |
## STDOUT: |
336 |
123 3 83 255 |
337 |
## END |
338 |
|
339 |
#### Float Literals |
340 |
shopt -s oil:basic |
341 |
# 1+2 2.3 |
342 |
var x = 1.2 + 23.0e-1 # 3.5 |
343 |
if (x < 3.9) { |
344 |
echo less |
345 |
} |
346 |
if (x > 3.4) { |
347 |
echo great |
348 |
} |
349 |
## STDOUT: |
350 |
less |
351 |
great |
352 |
## END |
353 |
|
354 |
#### Float Literals with _ (requires re2c refinement) |
355 |
shopt -s oil:basic |
356 |
# 1+2 + 2.3 |
357 |
# add this _ here |
358 |
var x = 1.2 + 2_3.0e-1 # 3.5 |
359 |
if (x < 3.9) { |
360 |
echo less |
361 |
} |
362 |
if (x > 3.4) { |
363 |
echo great |
364 |
} |
365 |
## STDOUT: |
366 |
less |
367 |
great |
368 |
## END |
369 |
|
370 |
#### Tuples |
371 |
var zero = () |
372 |
var one = tup(42) |
373 |
var two = (1,2) |
374 |
echo $len(zero) |
375 |
echo $len(one) |
376 |
echo $len(two) |
377 |
## STDOUT: |
378 |
0 |
379 |
1 |
380 |
2 |
381 |
## END |
382 |
|
383 |
#### List comprehension (deferred) |
384 |
shopt -s oil:all |
385 |
|
386 |
var n = [i*2 for i in range(5)] |
387 |
write -sep ' ' @n |
388 |
|
389 |
# TODO: Test this |
390 |
#var n = [i*2 for i,j in range(5)] |
391 |
|
392 |
var even = [i*2 for i in range(5) if i % 2 == 0] |
393 |
write -sep ' ' @even |
394 |
## STDOUT: |
395 |
0 2 4 6 8 |
396 |
0 4 8 |
397 |
## END |
398 |
|
399 |
#### in, not in |
400 |
var d = [1,2,3] |
401 |
var b = 1 in d |
402 |
echo $b |
403 |
setvar b = 0 in d |
404 |
echo $b |
405 |
setvar b = 0 not in d |
406 |
echo $b |
407 |
## STDOUT: |
408 |
true |
409 |
false |
410 |
true |
411 |
## END |
412 |
|
413 |
#### Chained Comparisons |
414 |
shopt -s oil:basic |
415 |
if (1 < 2 < 3) { |
416 |
echo '123' |
417 |
} |
418 |
if (1 < 2 <= 2 <= 3 < 4) { |
419 |
echo '123' |
420 |
} |
421 |
|
422 |
if (1 < 2 < 2) { |
423 |
echo '123' |
424 |
} else { |
425 |
echo 'no' |
426 |
} |
427 |
## STDOUT: |
428 |
123 |
429 |
123 |
430 |
no |
431 |
## END |
432 |
|
433 |
#### dict with 'bare word' keys |
434 |
var d0 = {} |
435 |
echo len=$len(d0) |
436 |
var d1 = {name: "hello"} |
437 |
echo len=$len(d1) |
438 |
var d2 = {name: "hello", other: 2} |
439 |
echo len=$len(d2) |
440 |
## STDOUT: |
441 |
len=0 |
442 |
len=1 |
443 |
len=2 |
444 |
## END |
445 |
|
446 |
#### dict with expression keys |
447 |
var d1 = {['name']: "hello"} |
448 |
echo len=$len(d1) |
449 |
var v = d1['name'] |
450 |
echo $v |
451 |
|
452 |
var key='k' |
453 |
var d2 = {["$key"]: "bar"} |
454 |
echo len=$len(d2) |
455 |
var v2 = d2['k'] |
456 |
echo $v2 |
457 |
|
458 |
## STDOUT: |
459 |
len=1 |
460 |
hello |
461 |
len=1 |
462 |
bar |
463 |
## END |
464 |
|
465 |
|
466 |
#### dict literal with implicit value |
467 |
var name = 'foo' |
468 |
var d1 = {name} |
469 |
echo len=$len(d1) |
470 |
var v1 = d1['name'] |
471 |
echo $v1 |
472 |
|
473 |
var d2 = {name, other: 'val'} |
474 |
echo len=$len(d2) |
475 |
var v2 = d2['name'] |
476 |
echo $v2 |
477 |
|
478 |
## STDOUT: |
479 |
len=1 |
480 |
foo |
481 |
len=2 |
482 |
foo |
483 |
## END |
484 |
|
485 |
#### Dict literal with string keys |
486 |
var d = {'sq': 123} |
487 |
var v = d['sq'] |
488 |
echo $v |
489 |
|
490 |
var x = "q" |
491 |
var d2 = {"d$x": 456} |
492 |
var v2 = d2["dq"] |
493 |
echo $v2 |
494 |
## STDOUT: |
495 |
123 |
496 |
456 |
497 |
## END |
498 |
|
499 |
#### Bitwise logical |
500 |
var a = 0b0101 & 0b0011 |
501 |
echo $a |
502 |
var b = 0b0101 | 0b0011 |
503 |
echo $b |
504 |
var c = 0b0101 ^ 0b0011 |
505 |
echo $c |
506 |
var d = ~b |
507 |
echo $d |
508 |
## STDOUT: |
509 |
1 |
510 |
7 |
511 |
6 |
512 |
-8 |
513 |
## END |
514 |
|
515 |
#### Shift operators |
516 |
var a = 1 << 4 |
517 |
echo $a |
518 |
var b = 16 >> 4 |
519 |
echo $b |
520 |
## STDOUT: |
521 |
16 |
522 |
1 |
523 |
## END |
524 |
|
525 |
#### Exponentiation with ** |
526 |
var x = 2**3 |
527 |
echo $x |
528 |
var y = 2.0**3.0 |
529 |
echo $y |
530 |
## STDOUT: |
531 |
8 |
532 |
8.0 |
533 |
## END |
534 |
|
535 |
#### Two Kinds of Division |
536 |
var x = 5/2 |
537 |
echo $x |
538 |
var y = 5 // 2 |
539 |
echo $y |
540 |
## STDOUT: |
541 |
2.5 |
542 |
2 |
543 |
## END |
544 |
|
545 |
#### mod operator |
546 |
= 5 % 3 |
547 |
= -5 % 3 |
548 |
## STDOUT: |
549 |
(Int) 2 |
550 |
(Int) 1 |
551 |
## END |
552 |
|
553 |
#### Logical operators |
554 |
var a = not true |
555 |
echo $a |
556 |
var b = true and false |
557 |
echo $b |
558 |
var c = true or false |
559 |
echo $c |
560 |
|
561 |
# TODO: These should be spelled 'false' 'false' 'true'? |
562 |
|
563 |
## STDOUT: |
564 |
false |
565 |
false |
566 |
true |
567 |
## END |
568 |
|
569 |
#### x if b else y |
570 |
var b = true |
571 |
var i = 42 |
572 |
var t = i+1 if b else i-1 |
573 |
echo $t |
574 |
var f = i+1 if false else i-1 |
575 |
echo $f |
576 |
## STDOUT: |
577 |
43 |
578 |
41 |
579 |
## END |
580 |
|
581 |
#### multiline strings, list, tuples, etc. |
582 |
var dq = " |
583 |
dq |
584 |
2 |
585 |
" |
586 |
echo dq=$len(dq) |
587 |
|
588 |
var sq = ' |
589 |
sq |
590 |
2 |
591 |
' |
592 |
echo sq=$len(sq) |
593 |
|
594 |
var mylist = [ |
595 |
1, |
596 |
2, |
597 |
3, |
598 |
] |
599 |
echo mylist=$len(mylist) |
600 |
|
601 |
var mytuple = (1, |
602 |
2, 3) |
603 |
echo mytuple=$len(mytuple) |
604 |
|
605 |
## STDOUT: |
606 |
dq=6 |
607 |
sq=6 |
608 |
mylist=3 |
609 |
mytuple=3 |
610 |
## END |
611 |
|
612 |
#### multiline dict |
613 |
|
614 |
# Note: a pair has to be all on one line. We could relax that but there isn't |
615 |
# a strong reason to now. |
616 |
|
617 |
var mydict = { a:1, |
618 |
b: 2, |
619 |
} |
620 |
echo mydict=$len(mydict) |
621 |
## STDOUT: |
622 |
mydict=2 |
623 |
## END |
624 |
|
625 |
#### multiline array and command sub (only here docs disallowed) |
626 |
var array = %( |
627 |
one |
628 |
two |
629 |
three |
630 |
) |
631 |
echo array=$len(array) |
632 |
|
633 |
var comsub = $( |
634 |
echo hi |
635 |
echo bye |
636 |
) |
637 |
echo comsub=$len(comsub) |
638 |
|
639 |
## STDOUT: |
640 |
array=3 |
641 |
comsub=6 |
642 |
## END |
643 |
|
644 |
#### obj.attr and obj.method() |
645 |
var s = 'hi' |
646 |
|
647 |
# TODO: This does a bound method thing we probably don't want |
648 |
var s2 = s.upper() |
649 |
echo $s2 |
650 |
## STDOUT: |
651 |
HI |
652 |
## END |
653 |
|
654 |
#### obj.method does NOT give you a bound method |
655 |
|
656 |
# TODO: Not sure how to implement this |
657 |
|
658 |
var s = 'hi' |
659 |
var method = s.upper |
660 |
echo $method |
661 |
## STDOUT: |
662 |
## END |
663 |
|
664 |
|
665 |
|
666 |
#### d->key |
667 |
var d = {name: 'andy'} |
668 |
var x = d->name |
669 |
echo $x |
670 |
## STDOUT: |
671 |
andy |
672 |
## END |
673 |
|
674 |
#### a ++ b for string/list concatenation |
675 |
var i = 'abc' |
676 |
var j = 'de' |
677 |
var k = i ++ j |
678 |
echo $k |
679 |
|
680 |
var a = [1, 2] |
681 |
var b = [3] |
682 |
var c = a ++ b |
683 |
echo len=$len(c) |
684 |
|
685 |
## STDOUT: |
686 |
abcde |
687 |
len=3 |
688 |
## END |
689 |
|
690 |
#### s ~~ glob and s !~~ glob |
691 |
shopt -s oil:all |
692 |
|
693 |
if ('foo.py' ~~ '*.py') { |
694 |
echo yes |
695 |
} |
696 |
if ('foo.py' !~~ '*.sh') { |
697 |
echo no |
698 |
} |
699 |
## STDOUT: |
700 |
yes |
701 |
no |
702 |
## END |
703 |
|
704 |
#### 3 ~== '3' |
705 |
shopt -s oil:all |
706 |
|
707 |
# TODO: should we have !~== too? |
708 |
# Or just make it not (a ~== b) |
709 |
|
710 |
if (3 ~== 3) { |
711 |
echo exact |
712 |
} |
713 |
if (1 ~== 3) { |
714 |
echo FAIL |
715 |
} |
716 |
|
717 |
if (3 ~== '3') { |
718 |
echo int-str |
719 |
} |
720 |
if (3 ~== '4') { |
721 |
echo FAIL |
722 |
} |
723 |
|
724 |
if (42 ~== 42.0) { |
725 |
echo int-float |
726 |
} |
727 |
if (42 ~== 43.0) { |
728 |
echo FAIL |
729 |
} |
730 |
|
731 |
if ('42' ~== 42.0) { |
732 |
echo str-float |
733 |
} |
734 |
if ('42' ~== 43.0) { |
735 |
echo FAIL |
736 |
} |
737 |
|
738 |
if (42 ~== '42.0') { |
739 |
echo int-str-float |
740 |
} |
741 |
if (42 ~== '43.0') { |
742 |
echo FAIL |
743 |
} |
744 |
|
745 |
## STDOUT: |
746 |
exact |
747 |
int-str |
748 |
int-float |
749 |
str-float |
750 |
int-str-float |
751 |
## END |
752 |
|