File src/Type/IntegerRangeType.php

1:	<?php declare(strict_types = 1);
2:
3:	namespace PHPStan\Type;
4:
5:	use PHPStan\Php\PhpVersion;
6:	use PHPStan\PhpDocParser\Ast\ConstExpr\ConstExprIntegerNode;
7:	use PHPStan\PhpDocParser\Ast\Type\ConstTypeNode;
8:	use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
9:	use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
10:	use PHPStan\PhpDocParser\Ast\Type\TypeNode;
11:	use PHPStan\Reflection\InitializerExprTypeResolver;
12:	use PHPStan\TrinaryLogic;
13:	use PHPStan\Type\Accessory\AccessoryLowercaseStringType;
14:	use PHPStan\Type\Accessory\AccessoryNonFalsyStringType;
15:	use PHPStan\Type\Accessory\AccessoryNumericStringType;
16:	use PHPStan\Type\Accessory\AccessoryUppercaseStringType;
17:	use PHPStan\Type\Constant\ConstantBooleanType;
18:	use PHPStan\Type\Constant\ConstantIntegerType;
19:	use function array_filter;
20:	use function array_map;
21:	use function assert;
22:	use function ceil;
23:	use function count;
24:	use function floor;
25:	use function get_class;
26:	use function is_float;
27:	use function is_int;
28:	use function max;
29:	use function min;
30:	use function sprintf;
31:	use const PHP_INT_MAX;
32:	use const PHP_INT_MIN;
33:
34:	/** @api */
35:	class IntegerRangeType extends IntegerType implements CompoundType
36:	{
37:
38:	private function __construct(private ?int $min, private ?int $max)
39:	{
40:	parent::__construct();
41:	assert($min === null \|\| $max === null \|\| $min <= $max);
42:	assert($min !== null \|\| $max !== null);
43:	}
44:
45:	public static function fromInterval(?int $min, ?int $max, int $shift = 0): Type
46:	{
47:	if ($min !== null && $max !== null) {
48:	if ($min > $max) {
49:	return new NeverType();
50:	}
51:	if ($min === $max) {
52:	return new ConstantIntegerType($min + $shift);
53:	}
54:	}
55:
56:	if ($min === null && $max === null) {
57:	return new IntegerType();
58:	}
59:
60:	return (new self($min, $max))->shift($shift);
61:	}
62:
63:	protected static function isDisjoint(?int $minA, ?int $maxA, ?int $minB, ?int $maxB, bool $touchingIsDisjoint = true): bool
64:	{
65:	$offset = $touchingIsDisjoint ? 0 : 1;
66:	return $minA !== null && $maxB !== null && $minA > $maxB + $offset
67:	\|\| $maxA !== null && $minB !== null && $maxA + $offset < $minB;
68:	}
69:
70:	/**
71:	* Return the range of integers smaller than the given value
72:	*
73:	* @param int\|float $value
74:	*/
75:	public static function createAllSmallerThan($value): Type
76:	{
77:	if (is_int($value)) {
78:	return self::fromInterval(null, $value, -1);
79:	}
80:
81:	if ($value > PHP_INT_MAX) {
82:	return new IntegerType();
83:	}
84:
85:	if ($value <= PHP_INT_MIN) {
86:	return new NeverType();
87:	}
88:
89:	return self::fromInterval(null, (int) ceil($value), -1);
90:	}
91:
92:	/**
93:	* Return the range of integers smaller than or equal to the given value
94:	*
95:	* @param int\|float $value
96:	*/
97:	public static function createAllSmallerThanOrEqualTo($value): Type
98:	{
99:	if (is_int($value)) {
100:	return self::fromInterval(null, $value);
101:	}
102:
103:	if ($value >= PHP_INT_MAX) {
104:	return new IntegerType();
105:	}
106:
107:	if ($value < PHP_INT_MIN) {
108:	return new NeverType();
109:	}
110:
111:	return self::fromInterval(null, (int) floor($value));
112:	}
113:
114:	/**
115:	* Return the range of integers greater than the given value
116:	*
117:	* @param int\|float $value
118:	*/
119:	public static function createAllGreaterThan($value): Type
120:	{
121:	if (is_int($value)) {
122:	return self::fromInterval($value, null, 1);
123:	}
124:
125:	if ($value < PHP_INT_MIN) {
126:	return new IntegerType();
127:	}
128:
129:	if ($value >= PHP_INT_MAX) {
130:	return new NeverType();
131:	}
132:
133:	return self::fromInterval((int) floor($value), null, 1);
134:	}
135:
136:	/**
137:	* Return the range of integers greater than or equal to the given value
138:	*
139:	* @param int\|float $value
140:	*/
141:	public static function createAllGreaterThanOrEqualTo($value): Type
142:	{
143:	if (is_int($value)) {
144:	return self::fromInterval($value, null);
145:	}
146:
147:	if ($value <= PHP_INT_MIN) {
148:	return new IntegerType();
149:	}
150:
151:	if ($value > PHP_INT_MAX) {
152:	return new NeverType();
153:	}
154:
155:	return self::fromInterval((int) ceil($value), null);
156:	}
157:
158:	public function getMin(): ?int
159:	{
160:	return $this->min;
161:	}
162:
163:	public function getMax(): ?int
164:	{
165:	return $this->max;
166:	}
167:
168:	public function describe(VerbosityLevel $level): string
169:	{
170:	return sprintf('int<%s, %s>', $this->min ?? 'min', $this->max ?? 'max');
171:	}
172:
173:	public function shift(int $amount): Type
174:	{
175:	if ($amount === 0) {
176:	return $this;
177:	}
178:
179:	$min = $this->min;
180:	$max = $this->max;
181:
182:	if ($amount < 0) {
183:	if ($max !== null) {
184:	if ($max < PHP_INT_MIN - $amount) {
185:	return new NeverType();
186:	}
187:	$max += $amount;
188:	}
189:	if ($min !== null) {
190:	$min = $min < PHP_INT_MIN - $amount ? null : $min + $amount;
191:	}
192:	} else {
193:	if ($min !== null) {
194:	if ($min > PHP_INT_MAX - $amount) {
195:	return new NeverType();
196:	}
197:	$min += $amount;
198:	}
199:	if ($max !== null) {
200:	$max = $max > PHP_INT_MAX - $amount ? null : $max + $amount;
201:	}
202:	}
203:
204:	return self::fromInterval($min, $max);
205:	}
206:
207:	public function accepts(Type $type, bool $strictTypes): AcceptsResult
208:	{
209:	if ($type instanceof parent) {
210:	return $this->isSuperTypeOf($type)->toAcceptsResult();
211:	}
212:
213:	if ($type instanceof CompoundType) {
214:	return $type->isAcceptedBy($this, $strictTypes);
215:	}
216:
217:	return AcceptsResult::createNo();
218:	}
219:
220:	public function isSuperTypeOf(Type $type): IsSuperTypeOfResult
221:	{
222:	if ($type instanceof self \|\| $type instanceof ConstantIntegerType) {
223:	if ($type instanceof self) {
224:	$typeMin = $type->min;
225:	$typeMax = $type->max;
226:	} else {
227:	$typeMin = $type->getValue();
228:	$typeMax = $type->getValue();
229:	}
230:
231:	if (self::isDisjoint($this->min, $this->max, $typeMin, $typeMax)) {
232:	return IsSuperTypeOfResult::createNo();
233:	}
234:
235:	if (
236:	($this->min === null \|\| $typeMin !== null && $this->min <= $typeMin)
237:	&& ($this->max === null \|\| $typeMax !== null && $this->max >= $typeMax)
238:	) {
239:	return IsSuperTypeOfResult::createYes();
240:	}
241:
242:	return IsSuperTypeOfResult::createMaybe();
243:	}
244:
245:	if ($type instanceof parent) {
246:	return IsSuperTypeOfResult::createMaybe();
247:	}
248:
249:	if ($type instanceof CompoundType) {
250:	return $type->isSubTypeOf($this);
251:	}
252:
253:	return IsSuperTypeOfResult::createNo();
254:	}
255:
256:	public function isSubTypeOf(Type $otherType): IsSuperTypeOfResult
257:	{
258:	if ($otherType instanceof parent) {
259:	return $otherType->isSuperTypeOf($this);
260:	}
261:
262:	if ($otherType instanceof UnionType) {
263:	return $this->isSubTypeOfUnionWithReason($otherType);
264:	}
265:
266:	if ($otherType instanceof IntersectionType) {
267:	return $otherType->isSuperTypeOf($this);
268:	}
269:
270:	return IsSuperTypeOfResult::createNo();
271:	}
272:
273:	private function isSubTypeOfUnionWithReason(UnionType $otherType): IsSuperTypeOfResult
274:	{
275:	if ($this->min !== null && $this->max !== null) {
276:	$matchingConstantIntegers = array_filter(
277:	$otherType->getTypes(),
278:	fn (Type $type): bool => $type instanceof ConstantIntegerType && $type->getValue() >= $this->min && $type->getValue() <= $this->max,
279:	);
280:
281:	if (count($matchingConstantIntegers) === ($this->max - $this->min + 1)) {
282:	return IsSuperTypeOfResult::createYes();
283:	}
284:	}
285:
286:	return IsSuperTypeOfResult::createNo()->or(...array_map(fn (Type $innerType) => $this->isSubTypeOf($innerType), $otherType->getTypes()));
287:	}
288:
289:	public function isAcceptedBy(Type $acceptingType, bool $strictTypes): AcceptsResult
290:	{
291:	return $this->isSubTypeOf($acceptingType)->toAcceptsResult();
292:	}
293:
294:	public function equals(Type $type): bool
295:	{
296:	return $type instanceof self && $this->min === $type->min && $this->max === $type->max;
297:	}
298:
299:	public function generalize(GeneralizePrecision $precision): Type
300:	{
301:	return new IntegerType();
302:	}
303:
304:	public function isSmallerThan(Type $otherType, PhpVersion $phpVersion): TrinaryLogic
305:	{
306:	if ($this->min === null) {
307:	$minIsSmaller = TrinaryLogic::createYes();
308:	} else {
309:	$minIsSmaller = (new ConstantIntegerType($this->min))->isSmallerThan($otherType, $phpVersion);
310:	}
311:
312:	if ($this->max === null) {
313:	$maxIsSmaller = TrinaryLogic::createNo();
314:	} else {
315:	$maxIsSmaller = (new ConstantIntegerType($this->max))->isSmallerThan($otherType, $phpVersion);
316:	}
317:
318:	// 0 can have different results in contrast to the interval edges, see https://3v4l.org/iGoti
319:	$zeroInt = new ConstantIntegerType(0);
320:	if (!$zeroInt->isSuperTypeOf($this)->no()) {
321:	return TrinaryLogic::extremeIdentity(
322:	$zeroInt->isSmallerThan($otherType, $phpVersion),
323:	$minIsSmaller,
324:	$maxIsSmaller,
325:	);
326:	}
327:
328:	return TrinaryLogic::extremeIdentity($minIsSmaller, $maxIsSmaller);
329:	}
330:
331:	public function isSmallerThanOrEqual(Type $otherType, PhpVersion $phpVersion): TrinaryLogic
332:	{
333:	if ($this->min === null) {
334:	$minIsSmaller = TrinaryLogic::createYes();
335:	} else {
336:	$minIsSmaller = (new ConstantIntegerType($this->min))->isSmallerThanOrEqual($otherType, $phpVersion);
337:	}
338:
339:	if ($this->max === null) {
340:	$maxIsSmaller = TrinaryLogic::createNo();
341:	} else {
342:	$maxIsSmaller = (new ConstantIntegerType($this->max))->isSmallerThanOrEqual($otherType, $phpVersion);
343:	}
344:
345:	// 0 can have different results in contrast to the interval edges, see https://3v4l.org/iGoti
346:	$zeroInt = new ConstantIntegerType(0);
347:	if (!$zeroInt->isSuperTypeOf($this)->no()) {
348:	return TrinaryLogic::extremeIdentity(
349:	$zeroInt->isSmallerThanOrEqual($otherType, $phpVersion),
350:	$minIsSmaller,
351:	$maxIsSmaller,
352:	);
353:	}
354:
355:	return TrinaryLogic::extremeIdentity($minIsSmaller, $maxIsSmaller);
356:	}
357:
358:	public function isGreaterThan(Type $otherType, PhpVersion $phpVersion): TrinaryLogic
359:	{
360:	if ($this->min === null) {
361:	$minIsSmaller = TrinaryLogic::createNo();
362:	} else {
363:	$minIsSmaller = $otherType->isSmallerThan((new ConstantIntegerType($this->min)), $phpVersion);
364:	}
365:
366:	if ($this->max === null) {
367:	$maxIsSmaller = TrinaryLogic::createYes();
368:	} else {
369:	$maxIsSmaller = $otherType->isSmallerThan((new ConstantIntegerType($this->max)), $phpVersion);
370:	}
371:
372:	// 0 can have different results in contrast to the interval edges, see https://3v4l.org/iGoti
373:	$zeroInt = new ConstantIntegerType(0);
374:	if (!$zeroInt->isSuperTypeOf($this)->no()) {
375:	return TrinaryLogic::extremeIdentity(
376:	$otherType->isSmallerThan($zeroInt, $phpVersion),
377:	$minIsSmaller,
378:	$maxIsSmaller,
379:	);
380:	}
381:
382:	return TrinaryLogic::extremeIdentity($minIsSmaller, $maxIsSmaller);
383:	}
384:
385:	public function isGreaterThanOrEqual(Type $otherType, PhpVersion $phpVersion): TrinaryLogic
386:	{
387:	if ($this->min === null) {
388:	$minIsSmaller = TrinaryLogic::createNo();
389:	} else {
390:	$minIsSmaller = $otherType->isSmallerThanOrEqual((new ConstantIntegerType($this->min)), $phpVersion);
391:	}
392:
393:	if ($this->max === null) {
394:	$maxIsSmaller = TrinaryLogic::createYes();
395:	} else {
396:	$maxIsSmaller = $otherType->isSmallerThanOrEqual((new ConstantIntegerType($this->max)), $phpVersion);
397:	}
398:
399:	// 0 can have different results in contrast to the interval edges, see https://3v4l.org/iGoti
400:	$zeroInt = new ConstantIntegerType(0);
401:	if (!$zeroInt->isSuperTypeOf($this)->no()) {
402:	return TrinaryLogic::extremeIdentity(
403:	$otherType->isSmallerThanOrEqual($zeroInt, $phpVersion),
404:	$minIsSmaller,
405:	$maxIsSmaller,
406:	);
407:	}
408:
409:	return TrinaryLogic::extremeIdentity($minIsSmaller, $maxIsSmaller);
410:	}
411:
412:	public function getSmallerType(PhpVersion $phpVersion): Type
413:	{
414:	$subtractedTypes = [
415:	new ConstantBooleanType(true),
416:	];
417:
418:	if ($this->max !== null) {
419:	$subtractedTypes[] = self::createAllGreaterThanOrEqualTo($this->max);
420:	}
421:
422:	return TypeCombinator::remove(new MixedType(), TypeCombinator::union(...$subtractedTypes));
423:	}
424:
425:	public function getSmallerOrEqualType(PhpVersion $phpVersion): Type
426:	{
427:	$subtractedTypes = [];
428:
429:	if ($this->max !== null) {
430:	$subtractedTypes[] = self::createAllGreaterThan($this->max);
431:	}
432:
433:	return TypeCombinator::remove(new MixedType(), TypeCombinator::union(...$subtractedTypes));
434:	}
435:
436:	public function getGreaterType(PhpVersion $phpVersion): Type
437:	{
438:	$subtractedTypes = [
439:	new NullType(),
440:	new ConstantBooleanType(false),
441:	];
442:
443:	if ($this->min !== null) {
444:	$subtractedTypes[] = self::createAllSmallerThanOrEqualTo($this->min);
445:	}
446:
447:	if ($this->min !== null && $this->min > 0 \|\| $this->max !== null && $this->max < 0) {
448:	$subtractedTypes[] = new ConstantBooleanType(true);
449:	}
450:
451:	return TypeCombinator::remove(new MixedType(), TypeCombinator::union(...$subtractedTypes));
452:	}
453:
454:	public function getGreaterOrEqualType(PhpVersion $phpVersion): Type
455:	{
456:	$subtractedTypes = [];
457:
458:	if ($this->min !== null) {
459:	$subtractedTypes[] = self::createAllSmallerThan($this->min);
460:	}
461:
462:	if ($this->min !== null && $this->min > 0 \|\| $this->max !== null && $this->max < 0) {
463:	$subtractedTypes[] = new NullType();
464:	$subtractedTypes[] = new ConstantBooleanType(false);
465:	}
466:
467:	return TypeCombinator::remove(new MixedType(), TypeCombinator::union(...$subtractedTypes));
468:	}
469:
470:	public function toBoolean(): BooleanType
471:	{
472:	$isZero = (new ConstantIntegerType(0))->isSuperTypeOf($this);
473:	if ($isZero->no()) {
474:	return new ConstantBooleanType(true);
475:	}
476:
477:	if ($isZero->maybe()) {
478:	return new BooleanType();
479:	}
480:
481:	return new ConstantBooleanType(false);
482:	}
483:
484:	public function toAbsoluteNumber(): Type
485:	{
486:	if ($this->min !== null && $this->min >= 0) {
487:	return $this;
488:	}
489:
490:	if ($this->max === null \|\| $this->max >= 0) {
491:	$inversedMin = $this->min !== null ? $this->min * -1 : null;
492:
493:	return self::fromInterval(0, $inversedMin !== null && $this->max !== null ? max($inversedMin, $this->max) : null);
494:	}
495:
496:	return self::fromInterval($this->max * -1, $this->min !== null ? $this->min * -1 : null);
497:	}
498:
499:	public function toString(): Type
500:	{
501:	$finiteTypes = $this->getFiniteTypes();
502:	if ($finiteTypes !== []) {
503:	return TypeCombinator::union(...$finiteTypes)->toString();
504:	}
505:
506:	$isZero = (new ConstantIntegerType(0))->isSuperTypeOf($this);
507:	if ($isZero->no()) {
508:	return new IntersectionType([
509:	new StringType(),
510:	new AccessoryLowercaseStringType(),
511:	new AccessoryUppercaseStringType(),
512:	new AccessoryNumericStringType(),
513:	new AccessoryNonFalsyStringType(),
514:	]);
515:	}
516:
517:	return new IntersectionType([
518:	new StringType(),
519:	new AccessoryLowercaseStringType(),
520:	new AccessoryUppercaseStringType(),
521:	new AccessoryNumericStringType(),
522:	]);
523:	}
524:
525:	/**
526:	* Return the union with another type, but only if it can be expressed in a simpler way than using UnionType
527:	*
528:	*/
529:	public function tryUnion(Type $otherType): ?Type
530:	{
531:	if ($otherType instanceof self \|\| $otherType instanceof ConstantIntegerType) {
532:	if ($otherType instanceof self) {
533:	$otherMin = $otherType->min;
534:	$otherMax = $otherType->max;
535:	} else {
536:	$otherMin = $otherType->getValue();
537:	$otherMax = $otherType->getValue();
538:	}
539:
540:	if (self::isDisjoint($this->min, $this->max, $otherMin, $otherMax, false)) {
541:	return null;
542:	}
543:
544:	return self::fromInterval(
545:	$this->min !== null && $otherMin !== null ? min($this->min, $otherMin) : null,
546:	$this->max !== null && $otherMax !== null ? max($this->max, $otherMax) : null,
547:	);
548:	}
549:
550:	if (get_class($otherType) === parent::class) {
551:	return $otherType;
552:	}
553:
554:	return null;
555:	}
556:
557:	/**
558:	* Return the intersection with another type, but only if it can be expressed in a simpler way than using
559:	* IntersectionType
560:	*
561:	*/
562:	public function tryIntersect(Type $otherType): ?Type
563:	{
564:	if ($otherType instanceof self \|\| $otherType instanceof ConstantIntegerType) {
565:	if ($otherType instanceof self) {
566:	$otherMin = $otherType->min;
567:	$otherMax = $otherType->max;
568:	} else {
569:	$otherMin = $otherType->getValue();
570:	$otherMax = $otherType->getValue();
571:	}
572:
573:	if (self::isDisjoint($this->min, $this->max, $otherMin, $otherMax, false)) {
574:	return new NeverType();
575:	}
576:
577:	if ($this->min === null) {
578:	$newMin = $otherMin;
579:	} elseif ($otherMin === null) {
580:	$newMin = $this->min;
581:	} else {
582:	$newMin = max($this->min, $otherMin);
583:	}
584:
585:	if ($this->max === null) {
586:	$newMax = $otherMax;
587:	} elseif ($otherMax === null) {
588:	$newMax = $this->max;
589:	} else {
590:	$newMax = min($this->max, $otherMax);
591:	}
592:
593:	return self::fromInterval($newMin, $newMax);
594:	}
595:
596:	if (get_class($otherType) === parent::class) {
597:	return $this;
598:	}
599:
600:	return null;
601:	}
602:
603:	/**
604:	* Return the different with another type, or null if it cannot be represented.
605:	*
606:	*/
607:	public function tryRemove(Type $typeToRemove): ?Type
608:	{
609:	if (get_class($typeToRemove) === parent::class) {
610:	return new NeverType();
611:	}
612:
613:	if ($typeToRemove instanceof self \|\| $typeToRemove instanceof ConstantIntegerType) {
614:	if ($typeToRemove instanceof self) {
615:	$removeMin = $typeToRemove->min;
616:	$removeMax = $typeToRemove->max;
617:	} else {
618:	$removeMin = $typeToRemove->getValue();
619:	$removeMax = $typeToRemove->getValue();
620:	}
621:
622:	if (
623:	$this->min !== null && $removeMax !== null && $removeMax < $this->min
624:	\|\| $this->max !== null && $removeMin !== null && $this->max < $removeMin
625:	) {
626:	return $this;
627:	}
628:
629:	if ($removeMin !== null && $removeMin !== PHP_INT_MIN) {
630:	$lowerPart = self::fromInterval($this->min, $removeMin - 1);
631:	} else {
632:	$lowerPart = null;
633:	}
634:	if ($removeMax !== null && $removeMax !== PHP_INT_MAX) {
635:	$upperPart = self::fromInterval($removeMax + 1, $this->max);
636:	} else {
637:	$upperPart = null;
638:	}
639:
640:	if ($lowerPart !== null && $upperPart !== null) {
641:	return TypeCombinator::union($lowerPart, $upperPart);
642:	}
643:
644:	return $lowerPart ?? $upperPart;
645:	}
646:
647:	return null;
648:	}
649:
650:	public function exponentiate(Type $exponent): Type
651:	{
652:	if ($exponent instanceof UnionType) {
653:	$results = [];
654:	foreach ($exponent->getTypes() as $unionType) {
655:	$results[] = $this->exponentiate($unionType);
656:	}
657:	return TypeCombinator::union(...$results);
658:	}
659:
660:	if ($exponent instanceof IntegerRangeType) {
661:	$min = null;
662:	$max = null;
663:	if ($this->getMin() !== null && $exponent->getMin() !== null) {
664:	$min = $this->getMin() ** $exponent->getMin();
665:	}
666:	if ($this->getMax() !== null && $exponent->getMax() !== null) {
667:	$max = $this->getMax() ** $exponent->getMax();
668:	}
669:
670:	if (($min !== null \|\| $max !== null) && !is_float($min) && !is_float($max)) {
671:	return self::fromInterval($min, $max);
672:	}
673:	}
674:
675:	if ($exponent instanceof ConstantScalarType) {
676:	$exponentValue = $exponent->getValue();
677:	if (is_int($exponentValue)) {
678:	$min = null;
679:	$max = null;
680:	if ($this->getMin() !== null) {
681:	$min = $this->getMin() ** $exponentValue;
682:	}
683:	if ($this->getMax() !== null) {
684:	$max = $this->getMax() ** $exponentValue;
685:	}
686:
687:	if (!is_float($min) && !is_float($max)) {
688:	return self::fromInterval($min, $max);
689:	}
690:	}
691:	}
692:
693:	return parent::exponentiate($exponent);
694:	}
695:
696:	/**
697:	* @return list<ConstantIntegerType>
698:	*/
699:	public function getFiniteTypes(): array
700:	{
701:	if ($this->min === null \|\| $this->max === null) {
702:	return [];
703:	}
704:
705:	$size = $this->max - $this->min;
706:	if ($size > InitializerExprTypeResolver::CALCULATE_SCALARS_LIMIT) {
707:	return [];
708:	}
709:
710:	$types = [];
711:	for ($i = $this->min; $i <= $this->max; $i++) {
712:	$types[] = new ConstantIntegerType($i);
713:	}
714:
715:	return $types;
716:	}
717:
718:	public function toPhpDocNode(): TypeNode
719:	{
720:	if ($this->min === null) {
721:	$min = new IdentifierTypeNode('min');
722:	} else {
723:	$min = new ConstTypeNode(new ConstExprIntegerNode((string) $this->min));
724:	}
725:
726:	if ($this->max === null) {
727:	$max = new IdentifierTypeNode('max');
728:	} else {
729:	$max = new ConstTypeNode(new ConstExprIntegerNode((string) $this->max));
730:	}
731:
732:	return new GenericTypeNode(new IdentifierTypeNode('int'), [$min, $max]);
733:	}
734:
735:	public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType
736:	{
737:	$zeroInt = new ConstantIntegerType(0);
738:	if ($zeroInt->isSuperTypeOf($this)->no()) {
739:	if ($type->isTrue()->yes()) {
740:	return new ConstantBooleanType(true);
741:	}
742:	if ($type->isFalse()->yes()) {
743:	return new ConstantBooleanType(false);
744:	}
745:	}
746:
747:	if (
748:	$this->isSmallerThan($type, $phpVersion)->yes()
749:	\|\| $this->isGreaterThan($type, $phpVersion)->yes()
750:	) {
751:	return new ConstantBooleanType(false);
752:	}
753:
754:	return parent::looseCompare($type, $phpVersion);
755:	}
756:
757:	}
758:

Namespaces

Classes

Interfaces