1 | ## oils_failures_allowed: 0
|
2 |
|
3 | #### Open proc (any number of args)
|
4 | shopt --set parse_proc
|
5 |
|
6 | proc f {
|
7 | var x = 42
|
8 | return $x
|
9 | }
|
10 | # this gets called with 3 args then?
|
11 | f a b c
|
12 | echo status=$?
|
13 | ## STDOUT:
|
14 | status=42
|
15 | ## END
|
16 |
|
17 | #### Closed proc with no args, passed too many
|
18 | shopt --set parse_proc
|
19 |
|
20 | proc f() {
|
21 | return 42
|
22 | }
|
23 | f
|
24 | echo status=$?
|
25 |
|
26 | f a b # status 2
|
27 |
|
28 | ## status: 3
|
29 | ## STDOUT:
|
30 | status=42
|
31 | ## END
|
32 |
|
33 | #### Open proc has ARGV
|
34 | shopt -s ysh:all
|
35 | proc foo {
|
36 | echo ARGV @ARGV
|
37 | # do we care about this? I think we want to syntactically remove it from YSH
|
38 | # but it can still be used for legacy
|
39 | echo dollar-at "$@"
|
40 | }
|
41 | builtin set -- a b c
|
42 | foo x y z
|
43 | ## STDOUT:
|
44 | ARGV x y z
|
45 | dollar-at a b c
|
46 | ## END
|
47 |
|
48 | #### Closed proc has empty "$@" or ARGV
|
49 | shopt -s ysh:all
|
50 |
|
51 | proc foo(d, e, f) {
|
52 | write params $d $e $f
|
53 | argv.py dollar-at "$@"
|
54 | argv.py ARGV @ARGV
|
55 | }
|
56 | builtin set -- a b c
|
57 | foo x y z
|
58 | ## STDOUT:
|
59 | params
|
60 | x
|
61 | y
|
62 | z
|
63 | ['dollar-at', 'a', 'b', 'c']
|
64 | ['ARGV']
|
65 | ## END
|
66 |
|
67 | #### Proc with default args
|
68 | shopt --set parse_proc
|
69 |
|
70 | proc f(x='foo') {
|
71 | echo x=$x
|
72 | }
|
73 | f
|
74 | ## STDOUT:
|
75 | x=foo
|
76 | ## END
|
77 |
|
78 | #### Proc with word params
|
79 | shopt --set parse_proc
|
80 |
|
81 | # doesn't require ysh:all
|
82 | proc f(x, y, z) {
|
83 | echo $x $y $z
|
84 | var ret = 42
|
85 | return $ret
|
86 | }
|
87 | # this gets called with 3 args then?
|
88 | f a b c
|
89 | echo status=$?
|
90 | ## STDOUT:
|
91 | a b c
|
92 | status=42
|
93 | ## END
|
94 |
|
95 | #### Proc with ... "rest" word params
|
96 |
|
97 | # TODO: opts goes with this
|
98 | # var opt = grep_opts.parse(ARGV)
|
99 | #
|
100 | # func(**opt) # Assumes keyword args match?
|
101 | # parse :grep_opts :opt @ARGV
|
102 |
|
103 | shopt -s ysh:all
|
104 |
|
105 | proc f(...names) {
|
106 | write names: @names
|
107 | }
|
108 | # this gets called with 3 args then?
|
109 | f a b c
|
110 | echo status=$?
|
111 | ## STDOUT:
|
112 | names:
|
113 | a
|
114 | b
|
115 | c
|
116 | status=0
|
117 | ## END
|
118 |
|
119 | #### word rest params 2
|
120 | shopt --set ysh:all
|
121 |
|
122 | proc f(first, ...rest) { # @ means "the rest of the arguments"
|
123 | write --sep ' ' -- $first
|
124 | write --sep ' ' -- @rest # @ means "splice this array"
|
125 | }
|
126 | f a b c
|
127 | ## STDOUT:
|
128 | a
|
129 | b c
|
130 | ## END
|
131 |
|
132 | #### proc with typed args
|
133 | shopt --set ysh:upgrade
|
134 |
|
135 | # TODO: duplicate param names aren't allowed
|
136 | proc p (a; mylist, mydict; opt Int = 42) {
|
137 | pp line (a)
|
138 | pp line (mylist)
|
139 | pp line (mydict)
|
140 | #pp line (opt)
|
141 | }
|
142 |
|
143 | p WORD ([1,2,3], {name: 'bob'})
|
144 |
|
145 | echo ---
|
146 |
|
147 | p x (:| a b |, {bob: 42}, a = 5)
|
148 |
|
149 | ## STDOUT:
|
150 | (Str) "WORD"
|
151 | (List) [1,2,3]
|
152 | (Dict) {"name":"bob"}
|
153 | ---
|
154 | (Str) "x"
|
155 | (List) ["a","b"]
|
156 | (Dict) {"bob":42}
|
157 | ## END
|
158 |
|
159 | #### Proc name-with-hyphen
|
160 | shopt --set parse_proc parse_at
|
161 |
|
162 | proc name-with-hyphen {
|
163 | echo @ARGV
|
164 | }
|
165 | name-with-hyphen x y z
|
166 | ## STDOUT:
|
167 | x y z
|
168 | ## END
|
169 |
|
170 | #### Proc with block arg
|
171 | shopt --set ysh:upgrade
|
172 |
|
173 | # TODO: Test more of this
|
174 | proc f(x, y ; ; ; block) {
|
175 | echo f word $x $y
|
176 |
|
177 | if (block) {
|
178 | eval (block)
|
179 | }
|
180 | }
|
181 | f a b { echo FFF }
|
182 |
|
183 | # With varargs and block
|
184 | shopt --set parse_proc
|
185 |
|
186 | proc g(x, y, ...rest ; ; ; block) {
|
187 | echo g word $x $y
|
188 | echo g rest @rest
|
189 |
|
190 | if (block) {
|
191 | eval (block)
|
192 | }
|
193 | }
|
194 | g a b c d {
|
195 | echo GGG
|
196 | }
|
197 |
|
198 | ## STDOUT:
|
199 | f word a b
|
200 | FFF
|
201 | g word a b
|
202 | g rest c d
|
203 | GGG
|
204 | ## END
|
205 |
|
206 | #### proc returning wrong type
|
207 | shopt --set parse_proc
|
208 |
|
209 | # this should print an error message
|
210 | proc f {
|
211 | var a = %(one two)
|
212 | return $a
|
213 | }
|
214 | f
|
215 | ## status: 3
|
216 | ## STDOUT:
|
217 | ## END
|
218 |
|
219 | #### proc returning invalid string
|
220 | shopt --set parse_proc
|
221 |
|
222 | # this should print an error message
|
223 | proc f {
|
224 | var s = 'not an integer status'
|
225 | return $s
|
226 | }
|
227 | f
|
228 | ## status: 1
|
229 | ## STDOUT:
|
230 | ## END
|
231 |
|
232 | #### 'return' doesn't accept expressions
|
233 | proc p {
|
234 | return 1 + 2
|
235 | }
|
236 | p
|
237 | ## status: 2
|
238 | ## STDOUT:
|
239 | ## END
|
240 |
|
241 | #### declare -F prints procs and shell-funcs
|
242 | shopt --set parse_proc
|
243 |
|
244 | myfunc() {
|
245 | echo hi
|
246 | }
|
247 |
|
248 | proc myproc {
|
249 | echo hi
|
250 | }
|
251 |
|
252 | declare -F
|
253 |
|
254 | ## status: 0
|
255 | ## STDOUT:
|
256 | declare -f myfunc
|
257 | declare -f myproc
|
258 | ## END
|
259 |
|
260 | #### procs are in same namespace as variables
|
261 | shopt --set parse_proc
|
262 |
|
263 | proc myproc {
|
264 | echo hi
|
265 | }
|
266 |
|
267 | echo "myproc is a $[type(myproc)]"
|
268 |
|
269 | ## STDOUT:
|
270 | myproc is a Proc
|
271 | ## END
|
272 |
|
273 | #### Nested proc is disallowed at parse time
|
274 | shopt --set parse_proc
|
275 |
|
276 | # NOTE: we can disallow this in Oil statically ...
|
277 | proc f {
|
278 | proc g {
|
279 | echo 'G'
|
280 | }
|
281 | g
|
282 | }
|
283 | f
|
284 | g
|
285 | ## status: 2
|
286 | ## stdout-json: ""
|
287 |
|
288 | #### Procs defined inside compound statements (with redefine_proc)
|
289 |
|
290 | shopt --set ysh:upgrade
|
291 | shopt --set redefine_proc_func
|
292 |
|
293 | for x in 1 2 {
|
294 | proc p {
|
295 | echo 'loop'
|
296 | }
|
297 | }
|
298 | p
|
299 |
|
300 | {
|
301 | proc p {
|
302 | echo 'brace'
|
303 | }
|
304 | }
|
305 | p
|
306 |
|
307 | ## STDOUT:
|
308 | loop
|
309 | brace
|
310 | ## END
|
311 |
|
312 | #### Block can be passed literally, or as expression in third arg group
|
313 | shopt --set ysh:upgrade
|
314 |
|
315 | proc p ( ; ; ; block) {
|
316 | eval (block)
|
317 | }
|
318 |
|
319 | p { echo literal }
|
320 |
|
321 | var block = ^(echo expression)
|
322 | p (; ; block)
|
323 |
|
324 | ## STDOUT:
|
325 | literal
|
326 | expression
|
327 | ## END
|
328 |
|
329 | #### Pass through all 4 kinds of args
|
330 |
|
331 | shopt --set ysh:upgrade
|
332 |
|
333 | proc p2 (...words; ...typed; ...named; block) {
|
334 | pp line (words)
|
335 | pp line (typed)
|
336 | pp line (named)
|
337 | #pp line (block)
|
338 | # To avoid <Block 0x??> - could change pp line
|
339 | echo $[type(block)]
|
340 | }
|
341 |
|
342 | proc p1 (...words; ...typed; ...named; block) {
|
343 | p2 @words (...typed; ...named; block)
|
344 | }
|
345 |
|
346 | p2 a b ('c', 'd', n=99) {
|
347 | echo literal
|
348 | }
|
349 | echo
|
350 |
|
351 | # Same thing
|
352 | var block = ^(echo expression)
|
353 |
|
354 | # Note: you need the second explicit ;
|
355 |
|
356 | p2 a b ('c', 'd'; n=99; block)
|
357 | echo
|
358 |
|
359 | # what happens when you do this?
|
360 | p2 a b ('c', 'd'; n=99; block) {
|
361 | echo duplicate
|
362 | }
|
363 |
|
364 | ## status: 1
|
365 | ## STDOUT:
|
366 | (List) ["a","b"]
|
367 | (List) ["c","d"]
|
368 | (Dict) {"n":99}
|
369 | Block
|
370 |
|
371 | (List) ["a","b"]
|
372 | (List) ["c","d"]
|
373 | (Dict) {"n":99}
|
374 | Command
|
375 |
|
376 | ## END
|
377 |
|
378 | #### Global and local ARGV, like "$@"
|
379 | shopt -s parse_at
|
380 | argv.py "$@"
|
381 | argv.py @ARGV
|
382 | #argv.py "${ARGV[@]}" # not useful, but it works!
|
383 |
|
384 | set -- 'a b' c
|
385 | argv.py "$@"
|
386 | argv.py @ARGV # separate from the argv stack
|
387 |
|
388 | f() {
|
389 | argv.py "$@"
|
390 | argv.py @ARGV # separate from the argv stack
|
391 | }
|
392 | f 1 '2 3'
|
393 | ## STDOUT:
|
394 | []
|
395 | []
|
396 | ['a b', 'c']
|
397 | []
|
398 | ['1', '2 3']
|
399 | []
|
400 | ## END
|
401 |
|
402 |
|
403 | #### Mutating global ARGV
|
404 |
|
405 | $SH -c '
|
406 | shopt -s ysh:upgrade
|
407 |
|
408 | argv.py global @ARGV
|
409 |
|
410 | # should not be ignored
|
411 | call ARGV->append("GG")
|
412 |
|
413 | argv.py global @ARGV
|
414 | '
|
415 | ## STDOUT:
|
416 | ['global']
|
417 | ['global', 'GG']
|
418 | ## END
|
419 |
|
420 | #### Mutating local ARGV
|
421 |
|
422 | $SH -c '
|
423 | shopt -s ysh:upgrade
|
424 |
|
425 | argv.py global @ARGV
|
426 |
|
427 | proc p {
|
428 | argv.py @ARGV
|
429 | call ARGV->append("LL")
|
430 | argv.py @ARGV
|
431 | }
|
432 |
|
433 | p local @ARGV
|
434 |
|
435 | argv.py global @ARGV
|
436 |
|
437 | ' dummy0 'a b' c
|
438 |
|
439 | ## STDOUT:
|
440 | ['global', 'a b', 'c']
|
441 | ['local', 'a b', 'c']
|
442 | ['local', 'a b', 'c', 'LL']
|
443 | ['global', 'a b', 'c']
|
444 | ## END
|
445 |
|
446 |
|
447 | #### typed proc allows all kinds of args
|
448 | shopt -s ysh:upgrade
|
449 |
|
450 | typed proc p (w; t; n; block) {
|
451 | pp line (w)
|
452 | pp line (t)
|
453 | pp line (n)
|
454 | echo $[type(block)]
|
455 | }
|
456 |
|
457 | p word (42, n=99) {
|
458 | echo block
|
459 | }
|
460 |
|
461 |
|
462 | ## STDOUT:
|
463 | (Str) "word"
|
464 | (Int) 42
|
465 | (Int) 99
|
466 | Block
|
467 | ## END
|
468 |
|
469 | #### can unset procs without -f
|
470 | shopt -s ysh:upgrade
|
471 |
|
472 | proc foo() {
|
473 | echo bar
|
474 | }
|
475 |
|
476 | try { foo }
|
477 | echo status=$[_error.code]
|
478 |
|
479 | # TODO: should we abandon declare -F in favour of `pp proc`?
|
480 | declare -F
|
481 | unset foo
|
482 | declare -F
|
483 |
|
484 | try { foo }
|
485 | echo status=$[_error.code]
|
486 |
|
487 | ## STDOUT:
|
488 | bar
|
489 | status=0
|
490 | declare -f foo
|
491 | status=127
|
492 | ## END
|
493 |
|
494 | #### procs shadow sh-funcs
|
495 | shopt -s ysh:upgrade redefine_proc_func
|
496 |
|
497 | f() {
|
498 | echo sh-func
|
499 | }
|
500 |
|
501 | proc f {
|
502 | echo proc
|
503 | }
|
504 |
|
505 | f
|
506 | ## STDOUT:
|
507 | proc
|
508 | ## END
|
509 |
|
510 | #### first word skips non-proc variables
|
511 | shopt -s ysh:upgrade
|
512 |
|
513 | grep() {
|
514 | echo 'sh-func grep'
|
515 | }
|
516 |
|
517 | var grep = 'variable grep'
|
518 |
|
519 | grep
|
520 |
|
521 | # We first find `var grep`, but it's a Str not a Proc, so we skip it and then
|
522 | # find `function grep`.
|
523 |
|
524 | ## STDOUT:
|
525 | sh-func grep
|
526 | ## END
|