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 |
#### Splice in a Python list (i.e. Oil Obj var in word evaluator) |
67 |
shopt -s parse_at simple_word_eval |
68 |
var mylist = ["one", "two"] |
69 |
argv.py @mylist |
70 |
## STDOUT: |
71 |
['one', 'two'] |
72 |
## END |
73 |
|
74 |
#### Can't splice undefined |
75 |
shopt -s oil:basic |
76 |
argv.py @undefined |
77 |
echo done |
78 |
## status: 1 |
79 |
## stdout-json: "" |
80 |
|
81 |
#### Set $HOME using 'var' (i.e. Oil string var in word evaluator) |
82 |
var HOME = "foo" |
83 |
echo $HOME |
84 |
echo ~ |
85 |
## STDOUT: |
86 |
foo |
87 |
foo |
88 |
## END |
89 |
|
90 |
#### Use shell var in Oil expression |
91 |
x='abc' |
92 |
var length = len(x) # length in BYTES, unlike ${#x} |
93 |
echo $length |
94 |
## STDOUT: |
95 |
3 |
96 |
## END |
97 |
|
98 |
#### Length in two different contexts |
99 |
x=(a b c) |
100 |
x[10]=A |
101 |
x[20]=B |
102 |
|
103 |
# shell style: length is 5 |
104 |
echo shell=${#x[@]} |
105 |
|
106 |
# Oil function call: length is 20. I think that makes sense? It's just a |
107 |
# different notion of length. |
108 |
echo oil=$len(x) |
109 |
|
110 |
## STDOUT: |
111 |
shell=5 |
112 |
oil=21 |
113 |
## END |
114 |
|
115 |
#### $len(x) inside strings |
116 |
var s = "abc" |
117 |
echo -$len(s)- |
118 |
|
119 |
# This already has a meaning ... |
120 |
#echo "-$len(x)-" |
121 |
#echo "-${len}(x)-" |
122 |
|
123 |
## STDOUT: |
124 |
-3- |
125 |
## END |
126 |
|
127 |
#### Func with multiple args in multiple contexts |
128 |
var x = max(1+2, 3+4) |
129 |
echo $x $max(1+2, 3+4) |
130 |
|
131 |
## STDOUT: |
132 |
7 7 |
133 |
## END |
134 |
|
135 |
|
136 |
#### Trailing Comma in Param list |
137 |
var x = max(1+2, 3+4,) |
138 |
echo $x $max(1+2, 3+4,) |
139 |
|
140 |
## STDOUT: |
141 |
7 7 |
142 |
## END |
143 |
|
144 |
#### @split(x) |
145 |
shopt -s oil:basic |
146 |
setvar IFS = ":" |
147 |
var x = "one:two:three" |
148 |
argv.py @split(x) |
149 |
## STDOUT: |
150 |
['one', 'two', 'three'] |
151 |
## END |
152 |
|
153 |
#### @range() |
154 |
shopt -s oil:all |
155 |
echo @range(10, 15, 2) |
156 |
## STDOUT: |
157 |
10 |
158 |
12 |
159 |
14 |
160 |
## END |
161 |
|
162 |
#### Wrong sigil $range() shows representation of iterator? |
163 |
shopt -s oil:basic |
164 |
echo $range(10, 15, 2) |
165 |
## STDOUT: |
166 |
TODO |
167 |
## END |
168 |
|
169 |
#### Wrong sigil @max(3, 4) |
170 |
shopt -s oil:basic |
171 |
echo @max(3, 4) |
172 |
## STDOUT: |
173 |
TODO |
174 |
## END |
175 |
|
176 |
|
177 |
#### nested expr contexts |
178 |
var s = "123" |
179 |
|
180 |
# lex_mode_e.ShCommand -> Expr -> ShCommand -> Expr |
181 |
var x = $(echo 'len\n' $len(s)) |
182 |
echo $x |
183 |
## STDOUT: |
184 |
len |
185 |
3 |
186 |
## END |
187 |
|
188 |
|
189 |
# TODO: |
190 |
# - test keyword args |
191 |
# - test splatting *args, **kwargs |
192 |
# - Multiline parsing |
193 |
# |
194 |
# var x = max( |
195 |
# 1+2, |
196 |
# 3+4, |
197 |
# ) |
198 |
# echo $x $max( |
199 |
# 1+2, |
200 |
# 3+4, |
201 |
# ) |
202 |
|
203 |
#### Test value.Obj inside shell arithmetic |
204 |
var w = "3" |
205 |
echo lt=$(( w < 4 )) |
206 |
echo gt=$(( w > 4 )) |
207 |
|
208 |
var z = 3 |
209 |
echo lt=$(( z < 4 )) |
210 |
echo gt=$(( z > 4 )) |
211 |
## STDOUT: |
212 |
lt=1 |
213 |
gt=0 |
214 |
lt=1 |
215 |
gt=0 |
216 |
## END |
217 |
|
218 |
#### Parse { setvar x = 1 } |
219 |
shopt -s oil:basic |
220 |
var x = 1 |
221 |
f() { setvar x = 2 } |
222 |
f |
223 |
echo x=$x |
224 |
## STDOUT: |
225 |
x=2 |
226 |
## END |
227 |
|
228 |
#### double quoted |
229 |
var foo = "bar" |
230 |
var x = "-$foo-${foo}-${undef:-default}-" |
231 |
echo $x |
232 |
## STDOUT: |
233 |
-bar-bar-default- |
234 |
## END |
235 |
|
236 |
#### double quoted respects strict_array |
237 |
shopt -s oil:basic |
238 |
var a = @(one two three) |
239 |
var x = "-${a[@]}-" |
240 |
echo $x |
241 |
## status: 1 |
242 |
## stdout-json: "" |
243 |
|
244 |
#### single quoted -- implicit and explicit raw |
245 |
var x = 'foo bar' |
246 |
echo $x |
247 |
setvar x = r'foo bar' # Same string |
248 |
echo $x |
249 |
setvar x = r'\t\n' # This is raw |
250 |
echo $x |
251 |
## STDOUT: |
252 |
foo bar |
253 |
foo bar |
254 |
\t\n |
255 |
## END |
256 |
|
257 |
#### Implicit raw single quote with backslash is a syntax error |
258 |
var x = '\t\n' |
259 |
echo $x |
260 |
## status: 2 |
261 |
## stdout-json: "" |
262 |
|
263 |
#### single quoted C strings: c'foo\n' and $'foo\n' |
264 |
var x = c'foo\nbar' |
265 |
echo "$x" |
266 |
var y = $'foo\nbar' |
267 |
echo "$y" |
268 |
## STDOUT: |
269 |
foo |
270 |
bar |
271 |
foo |
272 |
bar |
273 |
## END |
274 |
|
275 |
#### simple var sub $name $0 $1 $? etc. |
276 |
( exit 42 ) |
277 |
var status = $? |
278 |
echo status=$status |
279 |
|
280 |
set -- a b c |
281 |
var one = $1 |
282 |
var two = $2 |
283 |
echo $one $two |
284 |
|
285 |
var named = $one # equivalent to 'one' |
286 |
echo named=$named |
287 |
|
288 |
## STDOUT: |
289 |
status=42 |
290 |
a b |
291 |
named=a |
292 |
## END |
293 |
|
294 |
#### braced var sub ${x:-default} |
295 |
|
296 |
# without double quotes |
297 |
|
298 |
var b = ${foo:-default} |
299 |
echo $b |
300 |
var c = ${bar:-"-$b-"} |
301 |
echo $c |
302 |
|
303 |
var d = "${bar:-"-$c-"}" # another one |
304 |
echo $d |
305 |
|
306 |
## STDOUT: |
307 |
default |
308 |
-default- |
309 |
--default-- |
310 |
## END |
311 |
|
312 |
#### braced var sub respects strict_array |
313 |
set -- a b c |
314 |
var x = ${undef:-"$@"} |
315 |
echo $x |
316 |
shopt -s strict_array |
317 |
setvar x = ${undef:-"$@"} |
318 |
echo $x |
319 |
## status: 1 |
320 |
## STDOUT: |
321 |
a b c |
322 |
## END |
323 |
|
324 |
|
325 |
#### null / true / false |
326 |
shopt -s oil:basic |
327 |
var n = null |
328 |
if (n) { |
329 |
echo yes |
330 |
} else { |
331 |
echo no |
332 |
} |
333 |
var t = true |
334 |
if (t) { |
335 |
echo yes |
336 |
} else { |
337 |
echo no |
338 |
} |
339 |
var f = false |
340 |
if (f) { |
341 |
echo yes |
342 |
} else { |
343 |
echo no |
344 |
} |
345 |
## STDOUT: |
346 |
no |
347 |
yes |
348 |
no |
349 |
## END |
350 |
|
351 |
#### Integer literals |
352 |
var d = 123 |
353 |
var b = 0b11 |
354 |
var o = 0o123 |
355 |
var h = 0xff |
356 |
echo $d $b $o $h |
357 |
## STDOUT: |
358 |
123 3 83 255 |
359 |
## END |
360 |
|
361 |
#### Float Literals |
362 |
shopt -s oil:basic |
363 |
# 1+2 2.3 |
364 |
var x = 1.2 + 23.0e-1 # 3.5 |
365 |
if (x < 3.9) { |
366 |
echo less |
367 |
} |
368 |
if (x > 3.4) { |
369 |
echo great |
370 |
} |
371 |
## STDOUT: |
372 |
less |
373 |
great |
374 |
## END |
375 |
|
376 |
#### Float Literals with _ (requires re2c refinement) |
377 |
shopt -s oil:basic |
378 |
# 1+2 + 2.3 |
379 |
# add this _ here |
380 |
var x = 1.2 + 2_3.0e-1 # 3.5 |
381 |
if (x < 3.9) { |
382 |
echo less |
383 |
} |
384 |
if (x > 3.4) { |
385 |
echo great |
386 |
} |
387 |
## STDOUT: |
388 |
less |
389 |
great |
390 |
## END |
391 |
|
392 |
#### Tuples |
393 |
var zero = () |
394 |
|
395 |
# TODO: I don't like this trailing comma syntax? |
396 |
var one = 1, |
397 |
var one2 = (1,) |
398 |
var two = (1,2) |
399 |
echo $len(zero) |
400 |
echo $len(one) |
401 |
echo $len(one2) |
402 |
echo $len(two) |
403 |
## STDOUT: |
404 |
0 |
405 |
1 |
406 |
1 |
407 |
2 |
408 |
## END |
409 |
|
410 |
#### List comprehension |
411 |
shopt -s oil:all |
412 |
|
413 |
var n = [i*2 for i in range(5)] |
414 |
echo -sep ' ' @n |
415 |
|
416 |
# TODO: Test this |
417 |
#var n = [i*2 for i,j in range(5)] |
418 |
|
419 |
var even = [i*2 for i in range(5) if i mod 2 == 0] |
420 |
echo -sep ' ' @even |
421 |
## STDOUT: |
422 |
0 2 4 6 8 |
423 |
0 4 8 |
424 |
## END |
425 |
|
426 |
#### in, not in |
427 |
var d = [1,2,3] |
428 |
var b = 1 in d |
429 |
echo $b |
430 |
setvar b = 0 in d |
431 |
echo $b |
432 |
setvar b = 0 not in d |
433 |
echo $b |
434 |
## STDOUT: |
435 |
True |
436 |
False |
437 |
True |
438 |
## END |
439 |
|
440 |
#### Chained Comparisons |
441 |
shopt -s oil:basic |
442 |
if (1 < 2 < 3) { |
443 |
echo '123' |
444 |
} |
445 |
if (1 < 2 <= 2 <= 3 < 4) { |
446 |
echo '123' |
447 |
} |
448 |
|
449 |
if (1 < 2 < 2) { |
450 |
echo '123' |
451 |
} else { |
452 |
echo 'no' |
453 |
} |
454 |
## STDOUT: |
455 |
123 |
456 |
123 |
457 |
no |
458 |
## END |
459 |
|
460 |
#### dict with 'bare word' keys |
461 |
var d0 = {} |
462 |
echo len=$len(d0) |
463 |
var d1 = {name: "hello"} |
464 |
echo len=$len(d1) |
465 |
var d2 = {name: "hello", other: 2} |
466 |
echo len=$len(d2) |
467 |
## STDOUT: |
468 |
len=0 |
469 |
len=1 |
470 |
len=2 |
471 |
## END |
472 |
|
473 |
#### dict with expression keys |
474 |
var d1 = {['name']: "hello"} |
475 |
echo len=$len(d1) |
476 |
var v = d1['name'] |
477 |
echo $v |
478 |
|
479 |
var key='k' |
480 |
var d2 = {["$key"]: "bar"} |
481 |
echo len=$len(d2) |
482 |
var v2 = d2['k'] |
483 |
echo $v2 |
484 |
|
485 |
## STDOUT: |
486 |
len=1 |
487 |
hello |
488 |
len=1 |
489 |
bar |
490 |
## END |
491 |
|
492 |
|
493 |
#### dict literal with implicit value |
494 |
var name = 'foo' |
495 |
var d1 = {name} |
496 |
echo len=$len(d1) |
497 |
var v1 = d1['name'] |
498 |
echo $v1 |
499 |
|
500 |
var d2 = {name, other: 'val'} |
501 |
echo len=$len(d2) |
502 |
var v2 = d2['name'] |
503 |
echo $v2 |
504 |
|
505 |
## STDOUT: |
506 |
len=1 |
507 |
foo |
508 |
len=2 |
509 |
foo |
510 |
## END |
511 |
|
512 |
#### Dict literal with string keys |
513 |
var d = {'sq': 123} |
514 |
var v = d['sq'] |
515 |
echo $v |
516 |
|
517 |
var x = "q" |
518 |
var d2 = {"d$x": 456} |
519 |
var v2 = d2["dq"] |
520 |
echo $v2 |
521 |
## STDOUT: |
522 |
123 |
523 |
456 |
524 |
## END |
525 |
|
526 |
#### Bitwise logical |
527 |
var a = 0b0101 & 0b0011 |
528 |
echo $a |
529 |
var b = 0b0101 | 0b0011 |
530 |
echo $b |
531 |
var c = 0b0101 xor 0b0011 |
532 |
echo $c |
533 |
var d = ~b |
534 |
echo $d |
535 |
## STDOUT: |
536 |
1 |
537 |
7 |
538 |
6 |
539 |
-8 |
540 |
## END |
541 |
|
542 |
#### Shift operators |
543 |
var a = 1 << 4 |
544 |
echo $a |
545 |
var b = 16 >> 4 |
546 |
echo $b |
547 |
## STDOUT: |
548 |
16 |
549 |
1 |
550 |
## END |
551 |
|
552 |
#### Exponent is ^ |
553 |
var x = 2^3 |
554 |
echo $x |
555 |
var y = 2.0^3.0 |
556 |
echo $y |
557 |
## STDOUT: |
558 |
8 |
559 |
8.0 |
560 |
## END |
561 |
|
562 |
#### Two Kinds of Division |
563 |
var x = 5/2 |
564 |
echo $x |
565 |
var y = 5 div 2 |
566 |
echo $y |
567 |
## STDOUT: |
568 |
2.5 |
569 |
2 |
570 |
## END |
571 |
|
572 |
#### mod operator |
573 |
pp 5 mod 3 |
574 |
pp -5 mod 3 |
575 |
## STDOUT: |
576 |
(int) 2 |
577 |
(int) 1 |
578 |
## END |
579 |
|
580 |
#### Logical operators |
581 |
var a = not true |
582 |
echo $a |
583 |
var b = true and false |
584 |
echo $b |
585 |
var c = true or false |
586 |
echo $c |
587 |
|
588 |
# TODO: These should be spelled 'false' 'false' 'true'? |
589 |
|
590 |
## STDOUT: |
591 |
False |
592 |
False |
593 |
True |
594 |
## END |
595 |
|
596 |
#### x if b else y |
597 |
var b = true |
598 |
var i = 42 |
599 |
var t = i+1 if b else i-1 |
600 |
echo $t |
601 |
var f = i+1 if false else i-1 |
602 |
echo $f |
603 |
## STDOUT: |
604 |
43 |
605 |
41 |
606 |
## END |
607 |
|
608 |
#### multiline strings, dict, list, tuples, etc. |
609 |
var dq = " |
610 |
dq |
611 |
2 |
612 |
" |
613 |
echo dq=$len(dq) |
614 |
|
615 |
var sq = ' |
616 |
sq |
617 |
2 |
618 |
' |
619 |
echo sq=$len(sq) |
620 |
|
621 |
var mylist = [ |
622 |
1, |
623 |
2, |
624 |
3, |
625 |
] |
626 |
echo mylist=$len(mylist) |
627 |
|
628 |
var mydict = { a:1, |
629 |
b: |
630 |
2, |
631 |
} |
632 |
echo mydict=$len(mydict) |
633 |
|
634 |
var mytuple = (1, |
635 |
2, 3) |
636 |
echo mytuple=$len(mytuple) |
637 |
|
638 |
## STDOUT: |
639 |
dq=6 |
640 |
sq=6 |
641 |
mylist=3 |
642 |
mydict=2 |
643 |
mytuple=3 |
644 |
## END |
645 |
|
646 |
#### multiline array and command sub (only here docs disallowed) |
647 |
var array = @( |
648 |
one |
649 |
two |
650 |
three |
651 |
) |
652 |
echo array=$len(array) |
653 |
|
654 |
var comsub = $( |
655 |
echo hi |
656 |
echo bye |
657 |
) |
658 |
echo comsub=$len(comsub) |
659 |
|
660 |
## STDOUT: |
661 |
array=3 |
662 |
comsub=6 |
663 |
## END |
664 |
|
665 |
#### s ~ regex and s !~ regex |
666 |
shopt -s oil:basic |
667 |
|
668 |
var s = 'foo' |
669 |
if (s ~ '.([[:alpha:]]+)') { # ERE syntax |
670 |
echo matches |
671 |
argv.py @M |
672 |
} |
673 |
if (s !~ '[[:digit:]]+') { |
674 |
echo "does not match" |
675 |
argv.py @M |
676 |
} |
677 |
|
678 |
if (s ~ '[[:digit:]]+') { |
679 |
echo "matches" |
680 |
} |
681 |
# Should be cleared now |
682 |
argv.py @M |
683 |
|
684 |
## STDOUT: |
685 |
matches |
686 |
['foo', 'oo'] |
687 |
does not match |
688 |
['foo', 'oo'] |
689 |
[] |
690 |
## END |
691 |
|
692 |
#### s ~ regex sets a local, not a global |
693 |
shopt -s oil:basic |
694 |
proc f { |
695 |
if ('foo' ~ '.([[:alpha:]]+)') { # ERE syntax |
696 |
echo matches |
697 |
argv.py @M |
698 |
} |
699 |
} |
700 |
f |
701 |
echo ${M:-default} |
702 |
## STDOUT: |
703 |
matches |
704 |
['foo', 'oo'] |
705 |
default |
706 |
## END |
707 |
|
708 |
|
709 |
#### M can be saved and used later |
710 |
shopt -s oil:basic |
711 |
|
712 |
var pat = '.([[:alpha:]]+)' # ERE syntax |
713 |
if ('foo' ~ pat) { |
714 |
var m1 = M |
715 |
if ('bar' ~ pat) { |
716 |
var m2 = M |
717 |
} |
718 |
} |
719 |
argv.py @m1 |
720 |
argv.py @m2 |
721 |
## STDOUT: |
722 |
['foo', 'oo'] |
723 |
['bar', 'ar'] |
724 |
## END |
725 |
|
726 |
|
727 |
#### obj.attr and obj.method() |
728 |
var s = 'hi' |
729 |
|
730 |
# TODO: This does a bound method thing we probably don't want |
731 |
var s2 = s.upper() |
732 |
echo $s2 |
733 |
## STDOUT: |
734 |
HI |
735 |
## END |
736 |
|
737 |
#### obj.method does NOT give you a bound method |
738 |
|
739 |
# TODO: Not sure how to implement this |
740 |
|
741 |
var s = 'hi' |
742 |
var method = s.upper |
743 |
echo $method |
744 |
## STDOUT: |
745 |
## END |
746 |
|
747 |
|
748 |
|
749 |
#### d->key |
750 |
var d = {name: 'andy'} |
751 |
var x = d->name |
752 |
echo $x |
753 |
## STDOUT: |
754 |
andy |
755 |
## END |