1 USING: arrays errors generic inference kernel kernel-internals
2 math math-internals namespaces parser sequences strings test
7 dup effect-in length swap effect-out length 2array nip ;
9 [ f ] [ f [ [ ] map-nodes ] with-node-iterator ] unit-test
11 [ t ] [ [ ] dataflow dup [ [ ] map-nodes ] with-node-iterator = ] unit-test
13 [ t ] [ [ 1 2 ] dataflow dup [ [ ] map-nodes ] with-node-iterator = ] unit-test
15 [ t ] [ [ [ ] [ ] if ] dataflow dup [ [ ] map-nodes ] with-node-iterator = ] unit-test
17 [ { 0 0 } ] [ f infer short-effect ] unit-test
18 [ { 0 2 } ] [ [ 2 "Hello" ] infer short-effect ] unit-test
19 [ { 1 2 } ] [ [ dup ] infer short-effect ] unit-test
21 [ { 1 2 } ] [ [ [ dup ] call ] infer short-effect ] unit-test
22 [ [ call ] infer short-effect ] unit-test-fails
24 [ { 2 4 } ] [ [ 2dup ] infer short-effect ] unit-test
26 [ { 1 0 } ] [ [ [ ] [ ] if ] infer short-effect ] unit-test
27 [ [ if ] infer short-effect ] unit-test-fails
28 [ [ [ ] if ] infer short-effect ] unit-test-fails
29 [ [ [ 2 ] [ ] if ] infer short-effect ] unit-test-fails
30 [ { 4 3 } ] [ [ [ rot ] [ -rot ] if ] infer short-effect ] unit-test
35 [ swap 3 ] [ nip 5 5 ] if
42 [ { 1 1 } ] [ [ dup [ ] when ] infer short-effect ] unit-test
43 [ { 1 1 } ] [ [ dup [ dup fixnum* ] when ] infer short-effect ] unit-test
44 [ { 2 1 } ] [ [ [ dup fixnum* ] when ] infer short-effect ] unit-test
46 [ { 1 0 } ] [ [ [ drop ] when* ] infer short-effect ] unit-test
47 [ { 1 1 } ] [ [ [ { { [ ] } } ] unless* ] infer short-effect ] unit-test
50 [ [ 2 2 fixnum+ ] dup [ ] when call ] infer short-effect
54 [ [ 2 2 fixnum+ ] ] [ [ 2 2 fixnum* ] ] if call
57 ! Test inference of termination of control flow
61 : termination-test-2 [ termination-test-1 ] [ 3 ] if ;
63 [ { 1 1 } ] [ [ termination-test-2 ] infer short-effect ] unit-test
65 : infinite-loop infinite-loop ;
67 [ [ infinite-loop ] infer short-effect ] unit-test-fails
69 : no-base-case-1 dup [ no-base-case-1 ] [ no-base-case-1 ] if ;
70 [ [ no-base-case-1 ] infer short-effect ] unit-test-fails
72 : simple-recursion-1 ( obj -- obj )
73 dup [ simple-recursion-1 ] [ ] if ;
75 [ { 1 1 } ] [ [ simple-recursion-1 ] infer short-effect ] unit-test
77 : simple-recursion-2 ( obj -- obj )
78 dup [ ] [ simple-recursion-2 ] if ;
80 [ { 1 1 } ] [ [ simple-recursion-2 ] infer short-effect ] unit-test
82 : bad-recursion-2 ( obj -- obj )
83 dup [ dup first swap second bad-recursion-2 ] [ ] if ;
85 [ [ bad-recursion-2 ] infer short-effect ] unit-test-fails
87 : funny-recursion ( obj -- obj )
88 dup [ funny-recursion 1 ] [ 2 ] if drop ;
90 [ { 1 1 } ] [ [ funny-recursion ] infer short-effect ] unit-test
93 [ { 1 2 } ] [ [ [ first ] keep second ] infer short-effect ] unit-test
98 : fie ( element obj -- ? )
99 dup array? [ foe ] [ eq? ] if ;
101 : foe ( element tree -- ? )
116 [ { 2 1 } ] [ [ fie ] infer short-effect ] unit-test
117 [ { 2 1 } ] [ [ foe ] infer short-effect ] unit-test
126 [ { 0 0 } ] [ [ nested-when ] infer short-effect ] unit-test
128 : nested-when* ( obj -- )
135 [ { 1 0 } ] [ [ nested-when* ] infer short-effect ] unit-test
139 [ { 0 1 } ] [ [ sym-test ] infer short-effect ] unit-test
148 [ { 1 1 } ] [ [ terminator-branch ] infer short-effect ] unit-test
150 : recursive-terminator ( obj -- )
157 [ { 1 0 } ] [ [ recursive-terminator ] infer short-effect ] unit-test
159 GENERIC: potential-hang ( obj -- obj )
160 M: fixnum potential-hang dup [ potential-hang ] when ;
162 [ ] [ [ 5 potential-hang ] infer short-effect drop ] unit-test
164 TUPLE: funny-cons car cdr ;
165 GENERIC: iterate ( obj -- )
166 M: funny-cons iterate funny-cons-cdr iterate ;
168 M: real iterate drop ;
170 [ { 1 0 } ] [ [ iterate ] infer short-effect ] unit-test
173 : cat ( obj -- * ) dup [ throw ] [ throw ] if ;
174 : dog ( a b c -- ) dup [ cat ] [ 3drop ] if ;
175 [ { 3 0 } ] [ [ dog ] infer short-effect ] unit-test
179 : friend ( a b c -- ) dup [ friend ] [ monkey ] if ;
180 : monkey ( a b c -- ) dup [ 3drop ] [ friend ] if ;
181 [ { 3 0 } ] [ [ friend ] infer short-effect ] unit-test
183 ! Regression -- same as above but we infer short-effect the second word first
185 : blah ( a b c -- ) dup [ blah ] [ blah2 ] if ;
186 : blah2 ( a b c -- ) dup [ blah ] [ 3drop ] if ;
187 [ { 3 0 } ] [ [ blah2 ] infer short-effect ] unit-test
192 dup [ blah3 ] [ dup [ blah4 ] [ blah3 ] if ] if ;
194 dup [ blah4 ] [ dup [ 3drop ] [ blah3 ] if ] if ;
195 [ { 3 0 } ] [ [ blah4 ] infer short-effect ] unit-test
198 : bad-combinator ( obj quot -- )
202 [ swap slip ] keep swap bad-combinator
205 [ [ [ 1 ] [ ] bad-combinator ] infer short-effect ] unit-test-fails
209 dup string? [ 2array throw ] unless
210 over string? [ 2array throw ] unless ;
212 [ { 2 2 } ] [ [ bad-input# ] infer short-effect ] unit-test
216 ! This order of branches works
218 : more-crap ( obj -- ) dup [ drop ] [ dup do-crap call ] if ;
219 : do-crap ( obj -- ) dup [ more-crap ] [ do-crap ] if ;
220 [ [ do-crap ] infer short-effect ] unit-test-fails
224 : more-crap* ( obj -- ) dup [ drop ] [ dup do-crap* call ] if ;
225 : do-crap* ( obj -- ) dup [ do-crap* ] [ more-crap* ] if ;
226 [ [ do-crap* ] infer short-effect ] unit-test-fails
229 : too-deep ( a b -- c )
230 dup [ drop ] [ 2dup too-deep too-deep * ] if ; inline
231 [ { 2 1 } ] [ [ too-deep ] infer short-effect ] unit-test
233 ! Error reporting is wrong
234 G: xyz math-combination ;
235 M: fixnum xyz 2array ;
237 [ >fraction ] 2apply swapd >r 2array swap r> 2array swap ;
239 [ t ] [ [ [ xyz ] infer short-effect ] catch inference-error? ] unit-test
241 ! Doug Coleman discovered this one while working on the
271 [ { 1 0 } ] [ [ A ] infer short-effect ] unit-test
272 [ { 1 0 } ] [ [ B ] infer short-effect ] unit-test
273 [ { 1 0 } ] [ [ C ] infer short-effect ] unit-test
275 ! I found this bug by thinking hard about the previous one
277 : X ( a b -- c d ) dup [ swap Y ] [ ] if ;
278 : Y ( a b -- c d ) X ;
280 [ { 2 2 } ] [ [ X ] infer short-effect ] unit-test
281 [ { 2 2 } ] [ [ Y ] infer short-effect ] unit-test
283 ! This one comes from UI code
285 : #2 ( a b -- ) dup [ call ] [ 2drop ] if ; inline
286 : #3 ( a -- ) [ #1 ] #2 ;
287 : #4 ( a -- ) dup [ drop ] [ dup #4 dup #3 call ] if ;
288 : #1 ( a -- ) dup [ dup #4 dup #3 ] [ ] if drop ;
290 [ \ #4 word-def infer short-effect ] unit-test-fails
291 [ [ #1 ] infer short-effect ] unit-test-fails
295 : foo ( a b -- c d ) dup [ 2drop f f bar ] [ ] if ;
296 : bar ( a b -- ) [ 2 2 + ] t foo drop call drop ;
298 [ [ foo ] infer short-effect ] unit-test-fails
300 [ 1234 infer short-effect ] unit-test-fails
303 [ [ [ dup call ] dup call ] infer short-effect ] unit-test-fails
305 ! This form should not have a stack effect
307 : bad-recursion-1 ( a -- b )
308 dup [ drop bad-recursion-1 5 ] [ ] if ;
310 [ [ bad-recursion-1 ] infer short-effect ] unit-test-fails
312 : bad-bin ( a b -- ) 5 [ 5 bad-bin bad-bin 5 ] [ 2drop ] if ;
313 [ [ bad-bin ] infer short-effect ] unit-test-fails
315 [ t ] [ [ [ r> ] infer short-effect ] catch inference-error? ] unit-test
317 ! Test some random library words
319 [ { 1 1 } ] [ [ unit ] infer short-effect ] unit-test
321 ! Unbalanced >n/n> is an error now!
322 ! [ { 1 0 } ] [ [ >n ] infer short-effect ] unit-test
323 ! [ { 0 1 } ] [ [ n> ] infer short-effect ] unit-test
325 [ { 2 1 } ] [ [ bitor ] infer short-effect ] unit-test
326 [ { 2 1 } ] [ [ bitand ] infer short-effect ] unit-test
327 [ { 2 1 } ] [ [ bitxor ] infer short-effect ] unit-test
328 [ { 2 1 } ] [ [ mod ] infer short-effect ] unit-test
329 [ { 2 1 } ] [ [ /i ] infer short-effect ] unit-test
330 [ { 2 1 } ] [ [ /f ] infer short-effect ] unit-test
331 [ { 2 2 } ] [ [ /mod ] infer short-effect ] unit-test
332 [ { 2 1 } ] [ [ + ] infer short-effect ] unit-test
333 [ { 2 1 } ] [ [ - ] infer short-effect ] unit-test
334 [ { 2 1 } ] [ [ * ] infer short-effect ] unit-test
335 [ { 2 1 } ] [ [ / ] infer short-effect ] unit-test
336 [ { 2 1 } ] [ [ < ] infer short-effect ] unit-test
337 [ { 2 1 } ] [ [ <= ] infer short-effect ] unit-test
338 [ { 2 1 } ] [ [ > ] infer short-effect ] unit-test
339 [ { 2 1 } ] [ [ >= ] infer short-effect ] unit-test
340 [ { 2 1 } ] [ [ number= ] infer short-effect ] unit-test
342 [ { 1 1 } ] [ [ string>number ] infer short-effect ] unit-test
343 [ { 2 1 } ] [ [ = ] infer short-effect ] unit-test
344 [ { 1 1 } ] [ [ get ] infer short-effect ] unit-test
346 [ { 2 0 } ] [ [ push ] infer short-effect ] unit-test
347 [ { 2 0 } ] [ [ set-length ] infer short-effect ] unit-test
348 [ { 2 1 } ] [ [ append ] infer short-effect ] unit-test
349 [ { 1 1 } ] [ [ peek ] infer short-effect ] unit-test
351 [ { 1 1 } ] [ [ length ] infer short-effect ] unit-test
352 [ { 1 1 } ] [ [ reverse ] infer short-effect ] unit-test
353 [ { 2 1 } ] [ [ member? ] infer short-effect ] unit-test
354 [ { 2 1 } ] [ [ remove ] infer short-effect ] unit-test
355 [ { 1 1 } ] [ [ natural-sort ] infer short-effect ] unit-test
357 ! Test scope inference
360 [ [ n> ] infer ] unit-test-fails
361 [ [ ndrop ] infer ] unit-test-fails
362 [ V{ x } ] [ [ x get ] infer drop inferred-vars-reads ] unit-test
363 [ V{ x } ] [ [ x set ] infer drop inferred-vars-writes ] unit-test
364 [ V{ x } ] [ [ [ x get ] with-scope ] infer drop inferred-vars-reads ] unit-test
365 [ V{ } ] [ [ [ x set ] with-scope ] infer drop inferred-vars-writes ] unit-test
366 [ V{ x } ] [ [ [ x get ] bind ] infer drop inferred-vars-reads ] unit-test
367 [ V{ } ] [ [ [ x set ] bind ] infer drop inferred-vars-writes ] unit-test
368 [ V{ x } ] [ [ [ x get ] make-hash ] infer drop inferred-vars-reads ] unit-test
369 [ V{ } ] [ [ [ x set ] make-hash ] infer drop inferred-vars-writes ] unit-test
370 [ V{ building } ] [ [ , ] infer drop inferred-vars-reads ] unit-test
371 [ V{ } ] [ [ [ 3 , ] { } make ] infer drop inferred-vars-reads ] unit-test
372 [ V{ x } ] [ [ [ x get ] [ 5 ] if ] infer drop inferred-vars-reads ] unit-test
373 [ V{ x } ] [ [ >n [ x get ] [ 5 ] if n> ] infer drop inferred-vars-reads ] unit-test
374 [ V{ } ] [ [ >n [ x set ] [ drop ] if x get n> ] infer drop inferred-vars-reads ] unit-test
375 [ V{ x } ] [ [ >n x get ndrop ] infer drop inferred-vars-reads ] unit-test
376 [ V{ } ] [ [ >n x set ndrop ] infer drop inferred-vars-writes ] unit-test
378 [ [ >n ] [ ] if ] unit-test-fails
380 [ V{ 2 3 } ] [ [ [ [ 2 get 3 throw ] [ 3 get ] if ] with-scope ] infer drop inferred-vars-reads ] unit-test
382 [ V{ } ] [ [ 5 set 5 get ] infer drop inferred-vars-reads ] unit-test
384 [ [ 3.1 execute ] infer ] unit-test-fails