File src/Analyser/NodeScopeResolver.php

1:	<?php declare(strict_types = 1);
2:
3:	namespace PHPStan\Analyser;
4:
5:	use ArrayAccess;
6:	use Closure;
7:	use DivisionByZeroError;
8:	use Override;
9:	use PhpParser\Comment\Doc;
10:	use PhpParser\Modifiers;
11:	use PhpParser\Node;
12:	use PhpParser\Node\Arg;
13:	use PhpParser\Node\AttributeGroup;
14:	use PhpParser\Node\ComplexType;
15:	use PhpParser\Node\Expr;
16:	use PhpParser\Node\Expr\Array_;
17:	use PhpParser\Node\Expr\ArrayDimFetch;
18:	use PhpParser\Node\Expr\Assign;
19:	use PhpParser\Node\Expr\AssignRef;
20:	use PhpParser\Node\Expr\BinaryOp;
21:	use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
22:	use PhpParser\Node\Expr\BinaryOp\BooleanOr;
23:	use PhpParser\Node\Expr\BinaryOp\Coalesce;
24:	use PhpParser\Node\Expr\BooleanNot;
25:	use PhpParser\Node\Expr\CallLike;
26:	use PhpParser\Node\Expr\Cast;
27:	use PhpParser\Node\Expr\ConstFetch;
28:	use PhpParser\Node\Expr\ErrorSuppress;
29:	use PhpParser\Node\Expr\Exit_;
30:	use PhpParser\Node\Expr\FuncCall;
31:	use PhpParser\Node\Expr\Instanceof_;
32:	use PhpParser\Node\Expr\List_;
33:	use PhpParser\Node\Expr\MethodCall;
34:	use PhpParser\Node\Expr\New_;
35:	use PhpParser\Node\Expr\PropertyFetch;
36:	use PhpParser\Node\Expr\StaticCall;
37:	use PhpParser\Node\Expr\StaticPropertyFetch;
38:	use PhpParser\Node\Expr\Ternary;
39:	use PhpParser\Node\Expr\Variable;
40:	use PhpParser\Node\Identifier;
41:	use PhpParser\Node\Name;
42:	use PhpParser\Node\Stmt\Break_;
43:	use PhpParser\Node\Stmt\Class_;
44:	use PhpParser\Node\Stmt\Continue_;
45:	use PhpParser\Node\Stmt\Do_;
46:	use PhpParser\Node\Stmt\Echo_;
47:	use PhpParser\Node\Stmt\For_;
48:	use PhpParser\Node\Stmt\Foreach_;
49:	use PhpParser\Node\Stmt\If_;
50:	use PhpParser\Node\Stmt\InlineHTML;
51:	use PhpParser\Node\Stmt\Return_;
52:	use PhpParser\Node\Stmt\Static_;
53:	use PhpParser\Node\Stmt\Switch_;
54:	use PhpParser\Node\Stmt\TryCatch;
55:	use PhpParser\Node\Stmt\Unset_;
56:	use PhpParser\Node\Stmt\While_;
57:	use PhpParser\NodeFinder;
58:	use PhpParser\NodeTraverser;
59:	use PhpParser\NodeVisitorAbstract;
60:	use PHPStan\BetterReflection\Reflection\Adapter\ReflectionClass;
61:	use PHPStan\BetterReflection\Reflection\ReflectionEnum;
62:	use PHPStan\BetterReflection\Reflector\Reflector;
63:	use PHPStan\BetterReflection\SourceLocator\Ast\Strategy\NodeToReflection;
64:	use PHPStan\BetterReflection\SourceLocator\Located\LocatedSource;
65:	use PHPStan\DependencyInjection\AutowiredParameter;
66:	use PHPStan\DependencyInjection\AutowiredService;
67:	use PHPStan\DependencyInjection\Type\DynamicThrowTypeExtensionProvider;
68:	use PHPStan\DependencyInjection\Type\ParameterClosureThisExtensionProvider;
69:	use PHPStan\DependencyInjection\Type\ParameterClosureTypeExtensionProvider;
70:	use PHPStan\DependencyInjection\Type\ParameterOutTypeExtensionProvider;
71:	use PHPStan\File\FileHelper;
72:	use PHPStan\File\FileReader;
73:	use PHPStan\Node\BooleanAndNode;
74:	use PHPStan\Node\BooleanOrNode;
75:	use PHPStan\Node\BreaklessWhileLoopNode;
76:	use PHPStan\Node\CatchWithUnthrownExceptionNode;
77:	use PHPStan\Node\ClassConstantsNode;
78:	use PHPStan\Node\ClassMethodsNode;
79:	use PHPStan\Node\ClassPropertiesNode;
80:	use PHPStan\Node\ClassPropertyNode;
81:	use PHPStan\Node\ClassStatementsGatherer;
82:	use PHPStan\Node\ClosureReturnStatementsNode;
83:	use PHPStan\Node\DeepNodeCloner;
84:	use PHPStan\Node\DoWhileLoopConditionNode;
85:	use PHPStan\Node\ExecutionEndNode;
86:	use PHPStan\Node\Expr\AlwaysRememberedExpr;
87:	use PHPStan\Node\Expr\ExistingArrayDimFetch;
88:	use PHPStan\Node\Expr\ForeachValueByRefExpr;
89:	use PHPStan\Node\Expr\GetIterableKeyTypeExpr;
90:	use PHPStan\Node\Expr\GetIterableValueTypeExpr;
91:	use PHPStan\Node\Expr\GetOffsetValueTypeExpr;
92:	use PHPStan\Node\Expr\NativeTypeExpr;
93:	use PHPStan\Node\Expr\OriginalForeachKeyExpr;
94:	use PHPStan\Node\Expr\OriginalPropertyTypeExpr;
95:	use PHPStan\Node\Expr\PropertyInitializationExpr;
96:	use PHPStan\Node\Expr\SetExistingOffsetValueTypeExpr;
97:	use PHPStan\Node\Expr\SetOffsetValueTypeExpr;
98:	use PHPStan\Node\Expr\TypeExpr;
99:	use PHPStan\Node\Expr\UnsetOffsetExpr;
100:	use PHPStan\Node\FinallyExitPointsNode;
101:	use PHPStan\Node\FunctionCallableNode;
102:	use PHPStan\Node\FunctionReturnStatementsNode;
103:	use PHPStan\Node\InArrowFunctionNode;
104:	use PHPStan\Node\InClassMethodNode;
105:	use PHPStan\Node\InClassNode;
106:	use PHPStan\Node\InClosureNode;
107:	use PHPStan\Node\InForeachNode;
108:	use PHPStan\Node\InFunctionNode;
109:	use PHPStan\Node\InPropertyHookNode;
110:	use PHPStan\Node\InstantiationCallableNode;
111:	use PHPStan\Node\InTraitNode;
112:	use PHPStan\Node\InvalidateExprNode;
113:	use PHPStan\Node\LiteralArrayItem;
114:	use PHPStan\Node\LiteralArrayNode;
115:	use PHPStan\Node\MatchExpressionArm;
116:	use PHPStan\Node\MatchExpressionArmBody;
117:	use PHPStan\Node\MatchExpressionArmCondition;
118:	use PHPStan\Node\MatchExpressionNode;
119:	use PHPStan\Node\MethodCallableNode;
120:	use PHPStan\Node\MethodReturnStatementsNode;
121:	use PHPStan\Node\NoopExpressionNode;
122:	use PHPStan\Node\Printer\ExprPrinter;
123:	use PHPStan\Node\PropertyAssignNode;
124:	use PHPStan\Node\PropertyHookReturnStatementsNode;
125:	use PHPStan\Node\PropertyHookStatementNode;
126:	use PHPStan\Node\ReturnStatement;
127:	use PHPStan\Node\StaticMethodCallableNode;
128:	use PHPStan\Node\UnreachableStatementNode;
129:	use PHPStan\Node\VariableAssignNode;
130:	use PHPStan\Node\VarTagChangedExpressionTypeNode;
131:	use PHPStan\Parser\ArrowFunctionArgVisitor;
132:	use PHPStan\Parser\ClosureArgVisitor;
133:	use PHPStan\Parser\ImmediatelyInvokedClosureVisitor;
134:	use PHPStan\Parser\LineAttributesVisitor;
135:	use PHPStan\Parser\Parser;
136:	use PHPStan\Parser\ReversePipeTransformerVisitor;
137:	use PHPStan\Php\PhpVersion;
138:	use PHPStan\PhpDoc\PhpDocInheritanceResolver;
139:	use PHPStan\PhpDoc\ResolvedPhpDocBlock;
140:	use PHPStan\PhpDoc\Tag\VarTag;
141:	use PHPStan\Reflection\Assertions;
142:	use PHPStan\Reflection\Callables\CallableParametersAcceptor;
143:	use PHPStan\Reflection\Callables\SimpleImpurePoint;
144:	use PHPStan\Reflection\Callables\SimpleThrowPoint;
145:	use PHPStan\Reflection\ClassReflection;
146:	use PHPStan\Reflection\ClassReflectionFactory;
147:	use PHPStan\Reflection\ExtendedMethodReflection;
148:	use PHPStan\Reflection\ExtendedParameterReflection;
149:	use PHPStan\Reflection\ExtendedParametersAcceptor;
150:	use PHPStan\Reflection\FunctionReflection;
151:	use PHPStan\Reflection\InitializerExprContext;
152:	use PHPStan\Reflection\InitializerExprTypeResolver;
153:	use PHPStan\Reflection\MethodReflection;
154:	use PHPStan\Reflection\Native\NativeMethodReflection;
155:	use PHPStan\Reflection\Native\NativeParameterReflection;
156:	use PHPStan\Reflection\ParameterReflection;
157:	use PHPStan\Reflection\ParametersAcceptor;
158:	use PHPStan\Reflection\ParametersAcceptorSelector;
159:	use PHPStan\Reflection\Php\PhpFunctionFromParserNodeReflection;
160:	use PHPStan\Reflection\Php\PhpMethodFromParserNodeReflection;
161:	use PHPStan\Reflection\Php\PhpMethodReflection;
162:	use PHPStan\Reflection\Php\PhpPropertyReflection;
163:	use PHPStan\Reflection\ReflectionProvider;
164:	use PHPStan\Rules\Properties\ReadWritePropertiesExtensionProvider;
165:	use PHPStan\ShouldNotHappenException;
166:	use PHPStan\TrinaryLogic;
167:	use PHPStan\Type\Accessory\AccessoryArrayListType;
168:	use PHPStan\Type\Accessory\HasOffsetValueType;
169:	use PHPStan\Type\Accessory\NonEmptyArrayType;
170:	use PHPStan\Type\ArrayType;
171:	use PHPStan\Type\ClosureType;
172:	use PHPStan\Type\Constant\ConstantArrayType;
173:	use PHPStan\Type\Constant\ConstantArrayTypeBuilder;
174:	use PHPStan\Type\Constant\ConstantIntegerType;
175:	use PHPStan\Type\Constant\ConstantStringType;
176:	use PHPStan\Type\FileTypeMapper;
177:	use PHPStan\Type\GeneralizePrecision;
178:	use PHPStan\Type\Generic\TemplateTypeHelper;
179:	use PHPStan\Type\Generic\TemplateTypeMap;
180:	use PHPStan\Type\Generic\TemplateTypeVariance;
181:	use PHPStan\Type\Generic\TemplateTypeVarianceMap;
182:	use PHPStan\Type\IntegerRangeType;
183:	use PHPStan\Type\IntegerType;
184:	use PHPStan\Type\IntersectionType;
185:	use PHPStan\Type\MixedType;
186:	use PHPStan\Type\NeverType;
187:	use PHPStan\Type\NullType;
188:	use PHPStan\Type\ObjectType;
189:	use PHPStan\Type\ObjectWithoutClassType;
190:	use PHPStan\Type\ParserNodeTypeToPHPStanType;
191:	use PHPStan\Type\ResourceType;
192:	use PHPStan\Type\StaticType;
193:	use PHPStan\Type\StaticTypeFactory;
194:	use PHPStan\Type\StringType;
195:	use PHPStan\Type\ThisType;
196:	use PHPStan\Type\Type;
197:	use PHPStan\Type\TypeCombinator;
198:	use PHPStan\Type\TypeTraverser;
199:	use PHPStan\Type\TypeUtils;
200:	use PHPStan\Type\UnionType;
201:	use ReflectionProperty;
202:	use Throwable;
203:	use Traversable;
204:	use TypeError;
205:	use UnhandledMatchError;
206:	use function array_fill_keys;
207:	use function array_filter;
208:	use function array_key_exists;
209:	use function array_key_last;
210:	use function array_keys;
211:	use function array_last;
212:	use function array_map;
213:	use function array_merge;
214:	use function array_pop;
215:	use function array_reverse;
216:	use function array_slice;
217:	use function array_values;
218:	use function base64_decode;
219:	use function count;
220:	use function in_array;
221:	use function is_array;
222:	use function is_int;
223:	use function is_string;
224:	use function ksort;
225:	use function sprintf;
226:	use function str_starts_with;
227:	use function strtolower;
228:	use function trim;
229:	use function usort;
230:	use const PHP_VERSION_ID;
231:	use const SORT_NUMERIC;
232:
233:	#[AutowiredService]
234:	class NodeScopeResolver
235:	{
236:
237:	private const LOOP_SCOPE_ITERATIONS = 3;
238:	private const GENERALIZE_AFTER_ITERATION = 1;
239:
240:	/** @var array<string, true> filePath(string) => bool(true) */
241:	private array $analysedFiles = [];
242:
243:	/** @var array<string, true> */
244:	private array $earlyTerminatingMethodNames;
245:
246:	/** @var array<string, true> */
247:	private array $calledMethodStack = [];
248:
249:	/** @var array<string, MutatingScope\|null> */
250:	private array $calledMethodResults = [];
251:
252:	/**
253:	* @param string[][] $earlyTerminatingMethodCalls className(string) => methods(string[])
254:	* @param array<int, string> $earlyTerminatingFunctionCalls
255:	*/
256:	public function __construct(
257:	private readonly ReflectionProvider $reflectionProvider,
258:	private readonly InitializerExprTypeResolver $initializerExprTypeResolver,
259:	#[AutowiredParameter(ref: '@nodeScopeResolverReflector')]
260:	private readonly Reflector $reflector,
261:	private readonly ClassReflectionFactory $classReflectionFactory,
262:	private readonly ParameterOutTypeExtensionProvider $parameterOutTypeExtensionProvider,
263:	#[AutowiredParameter(ref: '@defaultAnalysisParser')]
264:	private readonly Parser $parser,
265:	private readonly FileTypeMapper $fileTypeMapper,
266:	private readonly PhpVersion $phpVersion,
267:	private readonly PhpDocInheritanceResolver $phpDocInheritanceResolver,
268:	private readonly FileHelper $fileHelper,
269:	private readonly TypeSpecifier $typeSpecifier,
270:	private readonly DynamicThrowTypeExtensionProvider $dynamicThrowTypeExtensionProvider,
271:	private readonly ReadWritePropertiesExtensionProvider $readWritePropertiesExtensionProvider,
272:	private readonly ParameterClosureThisExtensionProvider $parameterClosureThisExtensionProvider,
273:	private readonly ParameterClosureTypeExtensionProvider $parameterClosureTypeExtensionProvider,
274:	private readonly ScopeFactory $scopeFactory,
275:	private readonly DeepNodeCloner $deepNodeCloner,
276:	#[AutowiredParameter]
277:	private readonly bool $polluteScopeWithLoopInitialAssignments,
278:	#[AutowiredParameter]
279:	private readonly bool $polluteScopeWithAlwaysIterableForeach,
280:	#[AutowiredParameter]
281:	private readonly bool $polluteScopeWithBlock,
282:	#[AutowiredParameter]
283:	private readonly array $earlyTerminatingMethodCalls,
284:	#[AutowiredParameter]
285:	private readonly array $earlyTerminatingFunctionCalls,
286:	#[AutowiredParameter(ref: '%exceptions.implicitThrows%')]
287:	private readonly bool $implicitThrows,
288:	#[AutowiredParameter]
289:	private readonly bool $treatPhpDocTypesAsCertain,
290:	)
291:	{
292:	$earlyTerminatingMethodNames = [];
293:	foreach ($this->earlyTerminatingMethodCalls as $methodNames) {
294:	foreach ($methodNames as $methodName) {
295:	$earlyTerminatingMethodNames[strtolower($methodName)] = true;
296:	}
297:	}
298:	$this->earlyTerminatingMethodNames = $earlyTerminatingMethodNames;
299:	}
300:
301:	/**
302:	* @api
303:	* @param string[] $files
304:	*/
305:	public function setAnalysedFiles(array $files): void
306:	{
307:	$this->analysedFiles = array_fill_keys($files, true);
308:	}
309:
310:	/**
311:	* @api
312:	* @param Node[] $nodes
313:	* @param callable(Node $node, Scope $scope): void $nodeCallback
314:	*/
315:	public function processNodes(
316:	array $nodes,
317:	MutatingScope $scope,
318:	callable $nodeCallback,
319:	): void
320:	{
321:	$expressionResultStorage = new ExpressionResultStorage();
322:	$alreadyTerminated = false;
323:	foreach ($nodes as $i => $node) {
324:	if (
325:	!$node instanceof Node\Stmt
326:	\|\| ($alreadyTerminated && !($node instanceof Node\Stmt\Function_ \|\| $node instanceof Node\Stmt\ClassLike))
327:	) {
328:	continue;
329:	}
330:
331:	$statementResult = $this->processStmtNode($node, $scope, $expressionResultStorage, $nodeCallback, StatementContext::createTopLevel());
332:	$scope = $statementResult->getScope();
333:	if ($alreadyTerminated \|\| !$statementResult->isAlwaysTerminating()) {
334:	continue;
335:	}
336:
337:	$alreadyTerminated = true;
338:	$nextStmts = $this->getNextUnreachableStatements(array_slice($nodes, $i + 1), true);
339:	$this->processUnreachableStatement($nextStmts, $scope, $expressionResultStorage, $nodeCallback);
340:	}
341:
342:	$this->processPendingFibers($expressionResultStorage);
343:	}
344:
345:	protected function storeBeforeScope(ExpressionResultStorage $storage, Expr $expr, Scope $beforeScope): void
346:	{
347:	}
348:
349:	protected function processPendingFibers(ExpressionResultStorage $storage): void
350:	{
351:	}
352:
353:	/**
354:	* @param Node\Stmt[] $nextStmts
355:	* @param callable(Node $node, Scope $scope): void $nodeCallback
356:	*/
357:	private function processUnreachableStatement(array $nextStmts, MutatingScope $scope, ExpressionResultStorage $storage, callable $nodeCallback): void
358:	{
359:	if ($nextStmts === []) {
360:	return;
361:	}
362:
363:	$unreachableStatement = null;
364:	$nextStatements = [];
365:
366:	foreach ($nextStmts as $key => $nextStmt) {
367:	if ($key === 0) {
368:	$unreachableStatement = $nextStmt;
369:	continue;
370:	}
371:
372:	$nextStatements[] = $nextStmt;
373:	}
374:
375:	if (!$unreachableStatement instanceof Node\Stmt) {
376:	return;
377:	}
378:
379:	$this->callNodeCallback($nodeCallback, new UnreachableStatementNode($unreachableStatement, $nextStatements), $scope, $storage);
380:	}
381:
382:	/**
383:	* @api
384:	* @param Node\Stmt[] $stmts
385:	* @param callable(Node $node, Scope $scope): void $nodeCallback
386:	*/
387:	public function processStmtNodes(
388:	Node $parentNode,
389:	array $stmts,
390:	MutatingScope $scope,
391:	callable $nodeCallback,
392:	StatementContext $context,
393:	): StatementResult
394:	{
395:	$storage = new ExpressionResultStorage();
396:	return $this->processStmtNodesInternal(
397:	$parentNode,
398:	$stmts,
399:	$scope,
400:	$storage,
401:	$nodeCallback,
402:	$context,
403:	)->toPublic();
404:	}
405:
406:	/**
407:	* @param Node\Stmt[] $stmts
408:	* @param callable(Node $node, Scope $scope): void $nodeCallback
409:	*/
410:	private function processStmtNodesInternal(
411:	Node $parentNode,
412:	array $stmts,
413:	MutatingScope $scope,
414:	ExpressionResultStorage $storage,
415:	callable $nodeCallback,
416:	StatementContext $context,
417:	): InternalStatementResult
418:	{
419:	$statementResult = $this->processStmtNodesInternalWithoutFlushingPendingFibers(
420:	$parentNode,
421:	$stmts,
422:	$scope,
423:	$storage,
424:	$nodeCallback,
425:	$context,
426:	);
427:	$this->processPendingFibers($storage);
428:
429:	return $statementResult;
430:	}
431:
432:	/**
433:	* @param Node\Stmt[] $stmts
434:	* @param callable(Node $node, Scope $scope): void $nodeCallback
435:	*/
436:	private function processStmtNodesInternalWithoutFlushingPendingFibers(
437:	Node $parentNode,
438:	array $stmts,
439:	MutatingScope $scope,
440:	ExpressionResultStorage $storage,
441:	callable $nodeCallback,
442:	StatementContext $context,
443:	): InternalStatementResult
444:	{
445:	$exitPoints = [];
446:	$throwPoints = [];
447:	$impurePoints = [];
448:	$alreadyTerminated = false;
449:	$hasYield = false;
450:	$stmtCount = count($stmts);
451:	$shouldCheckLastStatement = $parentNode instanceof Node\Stmt\Function_
452:	\|\| $parentNode instanceof Node\Stmt\ClassMethod
453:	\|\| $parentNode instanceof PropertyHookStatementNode
454:	\|\| $parentNode instanceof Expr\Closure;
455:	foreach ($stmts as $i => $stmt) {
456:	if ($alreadyTerminated && !($stmt instanceof Node\Stmt\Function_ \|\| $stmt instanceof Node\Stmt\ClassLike)) {
457:	continue;
458:	}
459:
460:	$isLast = $i === $stmtCount - 1;
461:	$statementResult = $this->processStmtNode(
462:	$stmt,
463:	$scope,
464:	$storage,
465:	$nodeCallback,
466:	$context,
467:	);
468:	$scope = $statementResult->getScope();
469:	$hasYield = $hasYield \|\| $statementResult->hasYield();
470:
471:	if ($shouldCheckLastStatement && $isLast) {
472:	$endStatements = $statementResult->getEndStatements();
473:	if (count($endStatements) > 0) {
474:	foreach ($endStatements as $endStatement) {
475:	$endStatementResult = $endStatement->getResult();
476:	$this->callNodeCallback($nodeCallback, new ExecutionEndNode(
477:	$endStatement->getStatement(),
478:	(new InternalStatementResult(
479:	$endStatementResult->getScope(),
480:	$hasYield,
481:	$endStatementResult->isAlwaysTerminating(),
482:	$endStatementResult->getExitPoints(),
483:	$endStatementResult->getThrowPoints(),
484:	$endStatementResult->getImpurePoints(),
485:	))->toPublic(),
486:	$parentNode->getReturnType() !== null,
487:	), $endStatementResult->getScope(), $storage);
488:	}
489:	} else {
490:	$this->callNodeCallback($nodeCallback, new ExecutionEndNode(
491:	$stmt,
492:	(new InternalStatementResult(
493:	$scope,
494:	$hasYield,
495:	$statementResult->isAlwaysTerminating(),
496:	$statementResult->getExitPoints(),
497:	$statementResult->getThrowPoints(),
498:	$statementResult->getImpurePoints(),
499:	))->toPublic(),
500:	$parentNode->getReturnType() !== null,
501:	), $scope, $storage);
502:	}
503:	}
504:
505:	$exitPoints = array_merge($exitPoints, $statementResult->getExitPoints());
506:	$throwPoints = array_merge($throwPoints, $statementResult->getThrowPoints());
507:	$impurePoints = array_merge($impurePoints, $statementResult->getImpurePoints());
508:
509:	if ($alreadyTerminated \|\| !$statementResult->isAlwaysTerminating()) {
510:	continue;
511:	}
512:
513:	$alreadyTerminated = true;
514:	$nextStmts = $this->getNextUnreachableStatements(array_slice($stmts, $i + 1), $parentNode instanceof Node\Stmt\Namespace_);
515:	$this->processUnreachableStatement($nextStmts, $scope, $storage, $nodeCallback);
516:	}
517:
518:	$statementResult = new InternalStatementResult($scope, $hasYield, $alreadyTerminated, $exitPoints, $throwPoints, $impurePoints);
519:	if ($stmtCount === 0 && $shouldCheckLastStatement) {
520:	$returnTypeNode = $parentNode->getReturnType();
521:	if ($parentNode instanceof Expr\Closure) {
522:	$parentNode = new Node\Stmt\Expression($parentNode, $parentNode->getAttributes());
523:	}
524:	$this->callNodeCallback($nodeCallback, new ExecutionEndNode(
525:	$parentNode,
526:	$statementResult->toPublic(),
527:	$returnTypeNode !== null,
528:	), $scope, $storage);
529:	}
530:
531:	return $statementResult;
532:	}
533:
534:	/**
535:	* @param callable(Node $node, Scope $scope): void $nodeCallback
536:	*/
537:	private function processStmtNode(
538:	Node\Stmt $stmt,
539:	MutatingScope $scope,
540:	ExpressionResultStorage $storage,
541:	callable $nodeCallback,
542:	StatementContext $context,
543:	): InternalStatementResult
544:	{
545:	$overridingThrowPoints = null;
546:	if (
547:	!$stmt instanceof Static_
548:	&& !$stmt instanceof Node\Stmt\Global_
549:	&& !$stmt instanceof Node\Stmt\Property
550:	&& !$stmt instanceof Node\Stmt\ClassConst
551:	&& !$stmt instanceof Node\Stmt\Const_
552:	&& !$stmt instanceof Node\Stmt\ClassLike
553:	&& !$stmt instanceof Node\Stmt\Function_
554:	&& !$stmt instanceof Node\Stmt\ClassMethod
555:	) {
556:	if (!$stmt instanceof Foreach_) {
557:	$scope = $this->processStmtVarAnnotation($scope, $storage, $stmt, null, $nodeCallback);
558:	}
559:	$overridingThrowPoints = $this->getOverridingThrowPoints($stmt, $scope);
560:	}
561:
562:	if ($stmt instanceof Node\Stmt\ClassMethod) {
563:	if (!$scope->isInClass()) {
564:	throw new ShouldNotHappenException();
565:	}
566:	if (
567:	$scope->isInTrait()
568:	&& $scope->getClassReflection()->hasNativeMethod($stmt->name->toString())
569:	) {
570:	$methodReflection = $scope->getClassReflection()->getNativeMethod($stmt->name->toString());
571:	if ($methodReflection instanceof NativeMethodReflection) {
572:	return new InternalStatementResult($scope, false, false, [], [], []);
573:	}
574:	if ($methodReflection instanceof PhpMethodReflection) {
575:	$declaringTrait = $methodReflection->getDeclaringTrait();
576:	if ($declaringTrait === null \|\| $declaringTrait->getName() !== $scope->getTraitReflection()->getName()) {
577:	return new InternalStatementResult($scope, false, false, [], [], []);
578:	}
579:	}
580:	}
581:	}
582:
583:	$stmtScope = $scope;
584:	if ($stmt instanceof Node\Stmt\Expression && $stmt->expr instanceof Expr\Throw_) {
585:	$stmtScope = $this->processStmtVarAnnotation($scope, $storage, $stmt, $stmt->expr->expr, $nodeCallback);
586:	}
587:	if ($stmt instanceof Return_) {
588:	$stmtScope = $this->processStmtVarAnnotation($scope, $storage, $stmt, $stmt->expr, $nodeCallback);
589:	}
590:
591:	$this->callNodeCallback($nodeCallback, $stmt, $stmtScope, $storage);
592:
593:	if ($stmt instanceof Node\Stmt\Declare_) {
594:	$hasYield = false;
595:	$throwPoints = [];
596:	$impurePoints = [];
597:	$alwaysTerminating = false;
598:	$exitPoints = [];
599:	foreach ($stmt->declares as $declare) {
600:	$this->callNodeCallback($nodeCallback, $declare, $scope, $storage);
601:	$this->callNodeCallback($nodeCallback, $declare->value, $scope, $storage);
602:	if (
603:	$declare->key->name !== 'strict_types'
604:	\|\| !($declare->value instanceof Node\Scalar\Int_)
605:	\|\| $declare->value->value !== 1
606:	) {
607:	continue;
608:	}
609:
610:	$scope = $scope->enterDeclareStrictTypes();
611:	}
612:
613:	if ($stmt->stmts !== null) {
614:	$result = $this->processStmtNodesInternal($stmt, $stmt->stmts, $scope, $storage, $nodeCallback, $context);
615:	$scope = $result->getScope();
616:	$hasYield = $result->hasYield();
617:	$throwPoints = $result->getThrowPoints();
618:	$impurePoints = $result->getImpurePoints();
619:	$alwaysTerminating = $result->isAlwaysTerminating();
620:	$exitPoints = $result->getExitPoints();
621:	}
622:
623:	return new InternalStatementResult($scope, $hasYield, $alwaysTerminating, $exitPoints, $throwPoints, $impurePoints);
624:	} elseif ($stmt instanceof Node\Stmt\Function_) {
625:	$hasYield = false;
626:	$throwPoints = [];
627:	$impurePoints = [];
628:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $storage, $nodeCallback);
629:	[$templateTypeMap, $phpDocParameterTypes, $phpDocImmediatelyInvokedCallableParameters, $phpDocClosureThisTypeParameters, $phpDocReturnType, $phpDocThrowType, $deprecatedDescription, $isDeprecated, $isInternal, , $isPure, $acceptsNamedArguments, , $phpDocComment, $asserts,, $phpDocParameterOutTypes] = $this->getPhpDocs($scope, $stmt);
630:
631:	foreach ($stmt->params as $param) {
632:	$this->processParamNode($stmt, $param, $scope, $storage, $nodeCallback);
633:	}
634:
635:	if ($stmt->returnType !== null) {
636:	$this->callNodeCallback($nodeCallback, $stmt->returnType, $scope, $storage);
637:	}
638:
639:	if (!$isDeprecated) {
640:	[$isDeprecated, $deprecatedDescription] = $this->getDeprecatedAttribute($scope, $stmt);
641:	}
642:
643:	$functionScope = $scope->enterFunction(
644:	$stmt,
645:	$templateTypeMap,
646:	$phpDocParameterTypes,
647:	$phpDocReturnType,
648:	$phpDocThrowType,
649:	$deprecatedDescription,
650:	$isDeprecated,
651:	$isInternal,
652:	$isPure,
653:	$acceptsNamedArguments,
654:	$asserts,
655:	$phpDocComment,
656:	$phpDocParameterOutTypes,
657:	$phpDocImmediatelyInvokedCallableParameters,
658:	$phpDocClosureThisTypeParameters,
659:	);
660:	$functionReflection = $functionScope->getFunction();
661:	if (!$functionReflection instanceof PhpFunctionFromParserNodeReflection) {
662:	throw new ShouldNotHappenException();
663:	}
664:
665:	$this->callNodeCallback($nodeCallback, new InFunctionNode($functionReflection, $stmt), $functionScope, $storage);
666:
667:	$gatheredReturnStatements = [];
668:	$gatheredYieldStatements = [];
669:	$executionEnds = [];
670:	$functionImpurePoints = [];
671:	$statementResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $functionScope, $storage, static function (Node $node, Scope $scope) use ($nodeCallback, $functionScope, &$gatheredReturnStatements, &$gatheredYieldStatements, &$executionEnds, &$functionImpurePoints): void {
672:	$nodeCallback($node, $scope);
673:	if ($scope->getFunction() !== $functionScope->getFunction()) {
674:	return;
675:	}
676:	if ($scope->isInAnonymousFunction()) {
677:	return;
678:	}
679:	if ($node instanceof PropertyAssignNode) {
680:	$functionImpurePoints[] = new ImpurePoint(
681:	$scope,
682:	$node,
683:	'propertyAssign',
684:	'property assignment',
685:	true,
686:	);
687:	return;
688:	}
689:	if ($node instanceof ExecutionEndNode) {
690:	$executionEnds[] = $node;
691:	return;
692:	}
693:	if ($node instanceof Expr\Yield_ \|\| $node instanceof Expr\YieldFrom) {
694:	$gatheredYieldStatements[] = $node;
695:	}
696:	if (!$node instanceof Return_) {
697:	return;
698:	}
699:
700:	$gatheredReturnStatements[] = new ReturnStatement($scope, $node);
701:	}, StatementContext::createTopLevel())->toPublic();
702:
703:	$this->callNodeCallback($nodeCallback, new FunctionReturnStatementsNode(
704:	$stmt,
705:	$gatheredReturnStatements,
706:	$gatheredYieldStatements,
707:	$statementResult,
708:	$executionEnds,
709:	array_merge($statementResult->getImpurePoints(), $functionImpurePoints),
710:	$functionReflection,
711:	), $functionScope, $storage);
712:	if (!$scope->isInAnonymousFunction()) {
713:	$this->processPendingFibers($storage);
714:	}
715:	} elseif ($stmt instanceof Node\Stmt\ClassMethod) {
716:	$hasYield = false;
717:	$throwPoints = [];
718:	$impurePoints = [];
719:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $storage, $nodeCallback);
720:	[$templateTypeMap, $phpDocParameterTypes, $phpDocImmediatelyInvokedCallableParameters, $phpDocClosureThisTypeParameters, $phpDocReturnType, $phpDocThrowType, $deprecatedDescription, $isDeprecated, $isInternal, $isFinal, $isPure, $acceptsNamedArguments, $isReadOnly, $phpDocComment, $asserts, $selfOutType, $phpDocParameterOutTypes] = $this->getPhpDocs($scope, $stmt);
721:
722:	foreach ($stmt->params as $param) {
723:	$this->processParamNode($stmt, $param, $scope, $storage, $nodeCallback);
724:	}
725:
726:	if ($stmt->returnType !== null) {
727:	$this->callNodeCallback($nodeCallback, $stmt->returnType, $scope, $storage);
728:	}
729:
730:	if (!$isDeprecated) {
731:	[$isDeprecated, $deprecatedDescription] = $this->getDeprecatedAttribute($scope, $stmt);
732:	}
733:
734:	$isFromTrait = $stmt->getAttribute('originalTraitMethodName') === '__construct';
735:	$isConstructor = $isFromTrait \|\| $stmt->name->toLowerString() === '__construct';
736:
737:	$methodScope = $scope->enterClassMethod(
738:	$stmt,
739:	$templateTypeMap,
740:	$phpDocParameterTypes,
741:	$phpDocReturnType,
742:	$phpDocThrowType,
743:	$deprecatedDescription,
744:	$isDeprecated,
745:	$isInternal,
746:	$isFinal,
747:	$isPure,
748:	$acceptsNamedArguments,
749:	$asserts,
750:	$selfOutType,
751:	$phpDocComment,
752:	$phpDocParameterOutTypes,
753:	$phpDocImmediatelyInvokedCallableParameters,
754:	$phpDocClosureThisTypeParameters,
755:	$isConstructor,
756:	);
757:
758:	if (!$scope->isInClass()) {
759:	throw new ShouldNotHappenException();
760:	}
761:
762:	$classReflection = $scope->getClassReflection();
763:
764:	if ($isConstructor) {
765:	foreach ($stmt->params as $param) {
766:	if ($param->flags === 0 && $param->hooks === []) {
767:	continue;
768:	}
769:
770:	if (!$param->var instanceof Variable \|\| !is_string($param->var->name) \|\| $param->var->name === '') {
771:	throw new ShouldNotHappenException();
772:	}
773:	$phpDoc = null;
774:	if ($param->getDocComment() !== null) {
775:	$phpDoc = $param->getDocComment()->getText();
776:	}
777:	$this->callNodeCallback($nodeCallback, new ClassPropertyNode(
778:	$param->var->name,
779:	$param->flags,
780:	$param->type !== null ? ParserNodeTypeToPHPStanType::resolve($param->type, $classReflection) : null,
781:	null,
782:	$phpDoc,
783:	$phpDocParameterTypes[$param->var->name] ?? null,
784:	true,
785:	$isFromTrait,
786:	$param,
787:	$isReadOnly,
788:	$scope->isInTrait(),
789:	$classReflection->isReadOnly(),
790:	false,
791:	$classReflection,
792:	), $methodScope, $storage);
793:	$this->processPropertyHooks(
794:	$stmt,
795:	$param->type,
796:	$phpDocParameterTypes[$param->var->name] ?? null,
797:	$param->var->name,
798:	$param->hooks,
799:	$scope,
800:	$storage,
801:	$nodeCallback,
802:	);
803:	$methodScope = $methodScope->assignExpression(new PropertyInitializationExpr($param->var->name), new MixedType(), new MixedType());
804:	}
805:	}
806:
807:	if ($stmt->getAttribute('virtual', false) === false) {
808:	$methodReflection = $methodScope->getFunction();
809:	if (!$methodReflection instanceof PhpMethodFromParserNodeReflection) {
810:	throw new ShouldNotHappenException();
811:	}
812:	$this->callNodeCallback($nodeCallback, new InClassMethodNode($classReflection, $methodReflection, $stmt), $methodScope, $storage);
813:	}
814:
815:	if ($stmt->stmts !== null) {
816:	$gatheredReturnStatements = [];
817:	$gatheredYieldStatements = [];
818:	$executionEnds = [];
819:	$methodImpurePoints = [];
820:	$statementResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $methodScope, $storage, static function (Node $node, Scope $scope) use ($nodeCallback, $methodScope, &$gatheredReturnStatements, &$gatheredYieldStatements, &$executionEnds, &$methodImpurePoints): void {
821:	$nodeCallback($node, $scope);
822:	if ($scope->getFunction() !== $methodScope->getFunction()) {
823:	return;
824:	}
825:	if ($scope->isInAnonymousFunction()) {
826:	return;
827:	}
828:	if ($node instanceof PropertyAssignNode) {
829:	if (
830:	$node->getPropertyFetch() instanceof Expr\PropertyFetch
831:	&& $scope->getFunction() instanceof PhpMethodFromParserNodeReflection
832:	&& $scope->getFunction()->getDeclaringClass()->hasConstructor()
833:	&& $scope->getFunction()->getDeclaringClass()->getConstructor()->getName() === $scope->getFunction()->getName()
834:	&& TypeUtils::findThisType($scope->getType($node->getPropertyFetch()->var)) !== null
835:	) {
836:	return;
837:	}
838:	$methodImpurePoints[] = new ImpurePoint(
839:	$scope,
840:	$node,
841:	'propertyAssign',
842:	'property assignment',
843:	true,
844:	);
845:	return;
846:	}
847:	if ($node instanceof ExecutionEndNode) {
848:	$executionEnds[] = $node;
849:	return;
850:	}
851:	if ($node instanceof Expr\Yield_ \|\| $node instanceof Expr\YieldFrom) {
852:	$gatheredYieldStatements[] = $node;
853:	}
854:	if (!$node instanceof Return_) {
855:	return;
856:	}
857:
858:	$gatheredReturnStatements[] = new ReturnStatement($scope, $node);
859:	}, StatementContext::createTopLevel())->toPublic();
860:
861:	$methodReflection = $methodScope->getFunction();
862:	if (!$methodReflection instanceof PhpMethodFromParserNodeReflection) {
863:	throw new ShouldNotHappenException();
864:	}
865:
866:	$this->callNodeCallback($nodeCallback, new MethodReturnStatementsNode(
867:	$stmt,
868:	$gatheredReturnStatements,
869:	$gatheredYieldStatements,
870:	$statementResult,
871:	$executionEnds,
872:	array_merge($statementResult->getImpurePoints(), $methodImpurePoints),
873:	$classReflection,
874:	$methodReflection,
875:	), $methodScope, $storage);
876:
877:	if ($isConstructor) {
878:	$finalScope = null;
879:
880:	foreach ($executionEnds as $executionEnd) {
881:	if ($executionEnd->getStatementResult()->isAlwaysTerminating()) {
882:	continue;
883:	}
884:
885:	$endScope = $executionEnd->getStatementResult()->getScope();
886:	if ($finalScope === null) {
887:	$finalScope = $endScope;
888:	continue;
889:	}
890:
891:	$finalScope = $finalScope->mergeWith($endScope);
892:	}
893:
894:	foreach ($gatheredReturnStatements as $statement) {
895:	if ($finalScope === null) {
896:	$finalScope = $statement->getScope()->toMutatingScope();
897:	continue;
898:	}
899:
900:	$finalScope = $finalScope->mergeWith($statement->getScope()->toMutatingScope());
901:	}
902:
903:	if ($finalScope !== null) {
904:	$scope = $finalScope->rememberConstructorScope();
905:	}
906:
907:	}
908:	}
909:	if (!$scope->getClassReflection()->isAnonymous() && !$scope->isInAnonymousFunction()) {
910:	$this->processPendingFibers($storage);
911:	}
912:	} elseif ($stmt instanceof Echo_) {
913:	$hasYield = false;
914:	$throwPoints = [];
915:	$isAlwaysTerminating = false;
916:	foreach ($stmt->exprs as $echoExpr) {
917:	$result = $this->processExprNode($stmt, $echoExpr, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
918:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
919:	$scope = $result->getScope();
920:	$hasYield = $hasYield \|\| $result->hasYield();
921:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
922:	}
923:
924:	$throwPoints = $overridingThrowPoints ?? $throwPoints;
925:	$impurePoints = [
926:	new ImpurePoint($scope, $stmt, 'echo', 'echo', true),
927:	];
928:	return new InternalStatementResult($scope, $hasYield, $isAlwaysTerminating, [], $throwPoints, $impurePoints);
929:	} elseif ($stmt instanceof Return_) {
930:	if ($stmt->expr !== null) {
931:	$result = $this->processExprNode($stmt, $stmt->expr, $stmtScope, $storage, $nodeCallback, ExpressionContext::createDeep());
932:	$throwPoints = $result->getThrowPoints();
933:	$impurePoints = $result->getImpurePoints();
934:	$scope = $result->getScope();
935:	$hasYield = $result->hasYield();
936:	} else {
937:	$hasYield = false;
938:	$throwPoints = [];
939:	$impurePoints = [];
940:	}
941:
942:	return new InternalStatementResult($scope, $hasYield, true, [
943:	new InternalStatementExitPoint($stmt, $scope),
944:	], $overridingThrowPoints ?? $throwPoints, $impurePoints);
945:	} elseif ($stmt instanceof Continue_ \|\| $stmt instanceof Break_) {
946:	if ($stmt->num !== null) {
947:	$result = $this->processExprNode($stmt, $stmt->num, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
948:	$scope = $result->getScope();
949:	$hasYield = $result->hasYield();
950:	$throwPoints = $result->getThrowPoints();
951:	$impurePoints = $result->getImpurePoints();
952:	} else {
953:	$hasYield = false;
954:	$throwPoints = [];
955:	$impurePoints = [];
956:	}
957:
958:	return new InternalStatementResult($scope, $hasYield, true, [
959:	new InternalStatementExitPoint($stmt, $scope),
960:	], $overridingThrowPoints ?? $throwPoints, $impurePoints);
961:	} elseif ($stmt instanceof Node\Stmt\Expression) {
962:	if ($stmt->expr instanceof Expr\Throw_) {
963:	$scope = $stmtScope;
964:	}
965:	$earlyTerminationExpr = $this->findEarlyTerminatingExpr($stmt->expr, $scope);
966:	$hasAssign = false;
967:	$currentScope = $scope;
968:	$result = $this->processExprNode($stmt, $stmt->expr, $scope, $storage, static function (Node $node, Scope $scope) use ($nodeCallback, $currentScope, &$hasAssign): void {
969:	if (
970:	($node instanceof VariableAssignNode \|\| $node instanceof PropertyAssignNode)
971:	&& $scope->getAnonymousFunctionReflection() === $currentScope->getAnonymousFunctionReflection()
972:	&& $scope->getFunction() === $currentScope->getFunction()
973:	) {
974:	$hasAssign = true;
975:	}
976:	$nodeCallback($node, $scope);
977:	}, ExpressionContext::createTopLevel());
978:	$throwPoints = array_filter($result->getThrowPoints(), static fn ($throwPoint) => $throwPoint->isExplicit());
979:	if (
980:	count($result->getImpurePoints()) === 0
981:	&& count($throwPoints) === 0
982:	&& !$stmt->expr instanceof Expr\PostInc
983:	&& !$stmt->expr instanceof Expr\PreInc
984:	&& !$stmt->expr instanceof Expr\PostDec
985:	&& !$stmt->expr instanceof Expr\PreDec
986:	) {
987:	$this->callNodeCallback($nodeCallback, new NoopExpressionNode($stmt->expr, $hasAssign), $scope, $storage);
988:	}
989:	$scope = $result->getScope();
990:	$scope = $scope->filterBySpecifiedTypes($this->typeSpecifier->specifyTypesInCondition(
991:	$scope,
992:	$stmt->expr,
993:	TypeSpecifierContext::createNull(),
994:	));
995:	$hasYield = $result->hasYield();
996:	$throwPoints = $result->getThrowPoints();
997:	$impurePoints = $result->getImpurePoints();
998:	$isAlwaysTerminating = $result->isAlwaysTerminating();
999:
1000:	if ($earlyTerminationExpr !== null) {
1001:	return new InternalStatementResult($scope, $hasYield, true, [
1002:	new InternalStatementExitPoint($stmt, $scope),
1003:	], $overridingThrowPoints ?? $throwPoints, $impurePoints);
1004:	}
1005:	return new InternalStatementResult($scope, $hasYield, $isAlwaysTerminating, [], $overridingThrowPoints ?? $throwPoints, $impurePoints);
1006:	} elseif ($stmt instanceof Node\Stmt\Namespace_) {
1007:	if ($stmt->name !== null) {
1008:	$scope = $scope->enterNamespace($stmt->name->toString());
1009:	}
1010:
1011:	$scope = $this->processStmtNodesInternal($stmt, $stmt->stmts, $scope, $storage, $nodeCallback, $context)->getScope();
1012:	$hasYield = false;
1013:	$throwPoints = [];
1014:	$impurePoints = [];
1015:	} elseif ($stmt instanceof Node\Stmt\Trait_) {
1016:	return new InternalStatementResult($scope, false, false, [], [], []);
1017:	} elseif ($stmt instanceof Node\Stmt\ClassLike) {
1018:	if (!$context->isTopLevel()) {
1019:	return new InternalStatementResult($scope, false, false, [], [], []);
1020:	}
1021:	$hasYield = false;
1022:	$throwPoints = [];
1023:	$impurePoints = [];
1024:	if (isset($stmt->namespacedName)) {
1025:	$classReflection = $this->getCurrentClassReflection($stmt, $stmt->namespacedName->toString(), $scope);
1026:	$classScope = $scope->enterClass($classReflection);
1027:	$this->callNodeCallback($nodeCallback, new InClassNode($stmt, $classReflection), $classScope, $storage);
1028:	} elseif ($stmt instanceof Class_) {
1029:	if ($stmt->name === null) {
1030:	throw new ShouldNotHappenException();
1031:	}
1032:	if (!$stmt->isAnonymous()) {
1033:	$classReflection = $this->reflectionProvider->getClass($stmt->name->toString());
1034:	} else {
1035:	$classReflection = $this->reflectionProvider->getAnonymousClassReflection($stmt, $scope);
1036:	}
1037:	$classScope = $scope->enterClass($classReflection);
1038:	$this->callNodeCallback($nodeCallback, new InClassNode($stmt, $classReflection), $classScope, $storage);
1039:	} else {
1040:	throw new ShouldNotHappenException();
1041:	}
1042:
1043:	$classStatementsGatherer = new ClassStatementsGatherer($classReflection, $nodeCallback);
1044:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $classScope, $storage, $classStatementsGatherer);
1045:
1046:	$classLikeStatements = $stmt->stmts;
1047:	// analyze static methods first; constructor next; instance methods and property hooks last so we can carry over the scope
1048:	usort($classLikeStatements, static function ($a, $b) {
1049:	if ($a instanceof Node\Stmt\Property) {
1050:	return 1;
1051:	}
1052:	if ($b instanceof Node\Stmt\Property) {
1053:	return -1;
1054:	}
1055:
1056:	if (!$a instanceof Node\Stmt\ClassMethod \|\| !$b instanceof Node\Stmt\ClassMethod) {
1057:	return 0;
1058:	}
1059:
1060:	return [!$a->isStatic(), $a->name->toLowerString() !== '__construct'] <=> [!$b->isStatic(), $b->name->toLowerString() !== '__construct'];
1061:	});
1062:
1063:	$this->processStmtNodesInternal($stmt, $classLikeStatements, $classScope, $storage, $classStatementsGatherer, $context);
1064:	$this->callNodeCallback($nodeCallback, new ClassPropertiesNode($stmt, $this->readWritePropertiesExtensionProvider, $classStatementsGatherer->getProperties(), $classStatementsGatherer->getPropertyUsages(), $classStatementsGatherer->getMethodCalls(), $classStatementsGatherer->getReturnStatementsNodes(), $classStatementsGatherer->getPropertyAssigns(), $classReflection), $classScope, $storage);
1065:	$this->callNodeCallback($nodeCallback, new ClassMethodsNode($stmt, $classStatementsGatherer->getMethods(), $classStatementsGatherer->getMethodCalls(), $classReflection), $classScope, $storage);
1066:	$this->callNodeCallback($nodeCallback, new ClassConstantsNode($stmt, $classStatementsGatherer->getConstants(), $classStatementsGatherer->getConstantFetches(), $classReflection), $classScope, $storage);
1067:	$classReflection->evictPrivateSymbols();
1068:	$this->calledMethodResults = [];
1069:	} elseif ($stmt instanceof Node\Stmt\Property) {
1070:	$hasYield = false;
1071:	$throwPoints = [];
1072:	$impurePoints = [];
1073:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $storage, $nodeCallback);
1074:
1075:	$nativePropertyType = $stmt->type !== null ? ParserNodeTypeToPHPStanType::resolve($stmt->type, $scope->getClassReflection()) : null;
1076:
1077:	[,,,,,,,,,,,,$isReadOnly, $docComment, ,,,$varTags, $isAllowedPrivateMutation] = $this->getPhpDocs($scope, $stmt);
1078:	$phpDocType = null;
1079:	if (isset($varTags[0]) && count($varTags) === 1) {
1080:	$phpDocType = $varTags[0]->getType();
1081:	}
1082:
1083:	foreach ($stmt->props as $prop) {
1084:	$this->callNodeCallback($nodeCallback, $prop, $scope, $storage);
1085:	if ($prop->default !== null) {
1086:	$this->processExprNode($stmt, $prop->default, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
1087:	}
1088:
1089:	if (!$scope->isInClass()) {
1090:	throw new ShouldNotHappenException();
1091:	}
1092:	$propertyName = $prop->name->toString();
1093:
1094:	if ($phpDocType === null) {
1095:	if (isset($varTags[$propertyName])) {
1096:	$phpDocType = $varTags[$propertyName]->getType();
1097:	}
1098:	}
1099:
1100:	$propStmt = clone $stmt;
1101:	$propStmt->setAttributes($prop->getAttributes());
1102:	$propStmt->setAttribute('originalPropertyStmt', $stmt);
1103:	$this->callNodeCallback(
1104:	$nodeCallback,
1105:	new ClassPropertyNode(
1106:	$propertyName,
1107:	$stmt->flags,
1108:	$nativePropertyType,
1109:	$prop->default,
1110:	$docComment,
1111:	$phpDocType,
1112:	false,
1113:	false,
1114:	$propStmt,
1115:	$isReadOnly,
1116:	$scope->isInTrait(),
1117:	$scope->getClassReflection()->isReadOnly(),
1118:	$isAllowedPrivateMutation,
1119:	$scope->getClassReflection(),
1120:	),
1121:	$scope,
1122:	$storage,
1123:	);
1124:	}
1125:
1126:	if (count($stmt->hooks) > 0) {
1127:	if (!isset($propertyName)) {
1128:	throw new ShouldNotHappenException('Property name should be known when analysing hooks.');
1129:	}
1130:	$this->processPropertyHooks(
1131:	$stmt,
1132:	$stmt->type,
1133:	$phpDocType,
1134:	$propertyName,
1135:	$stmt->hooks,
1136:	$scope,
1137:	$storage,
1138:	$nodeCallback,
1139:	);
1140:	}
1141:
1142:	if ($stmt->type !== null) {
1143:	$this->callNodeCallback($nodeCallback, $stmt->type, $scope, $storage);
1144:	}
1145:	} elseif ($stmt instanceof If_) {
1146:	$conditionType = ($this->treatPhpDocTypesAsCertain ? $scope->getType($stmt->cond) : $scope->getNativeType($stmt->cond))->toBoolean();
1147:	$ifAlwaysTrue = $conditionType->isTrue()->yes();
1148:	$condResult = $this->processExprNode($stmt, $stmt->cond, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
1149:	$exitPoints = [];
1150:	$throwPoints = $overridingThrowPoints ?? $condResult->getThrowPoints();
1151:	$impurePoints = $condResult->getImpurePoints();
1152:	$endStatements = [];
1153:	$finalScope = null;
1154:	$alwaysTerminating = true;
1155:	$hasYield = $condResult->hasYield();
1156:
1157:	$branchScopeStatementResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $condResult->getTruthyScope(), $storage, $nodeCallback, $context);
1158:
1159:	if (!$conditionType->isTrue()->no()) {
1160:	$exitPoints = $branchScopeStatementResult->getExitPoints();
1161:	$throwPoints = array_merge($throwPoints, $branchScopeStatementResult->getThrowPoints());
1162:	$impurePoints = array_merge($impurePoints, $branchScopeStatementResult->getImpurePoints());
1163:	$branchScope = $branchScopeStatementResult->getScope();
1164:	$finalScope = $branchScopeStatementResult->isAlwaysTerminating() ? null : $branchScope;
1165:	$alwaysTerminating = $branchScopeStatementResult->isAlwaysTerminating();
1166:	if (count($branchScopeStatementResult->getEndStatements()) > 0) {
1167:	$endStatements = array_merge($endStatements, $branchScopeStatementResult->getEndStatements());
1168:	} elseif (count($stmt->stmts) > 0) {
1169:	$endStatements[] = new InternalEndStatementResult($stmt->stmts[count($stmt->stmts) - 1], $branchScopeStatementResult);
1170:	} else {
1171:	$endStatements[] = new InternalEndStatementResult($stmt, $branchScopeStatementResult);
1172:	}
1173:	$hasYield = $branchScopeStatementResult->hasYield() \|\| $hasYield;
1174:	}
1175:
1176:	$scope = $condResult->getFalseyScope();
1177:	$lastElseIfConditionIsTrue = false;
1178:
1179:	$condScope = $scope;
1180:	foreach ($stmt->elseifs as $elseif) {
1181:	$this->callNodeCallback($nodeCallback, $elseif, $scope, $storage);
1182:	$elseIfConditionType = ($this->treatPhpDocTypesAsCertain ? $condScope->getType($elseif->cond) : $scope->getNativeType($elseif->cond))->toBoolean();
1183:	$condResult = $this->processExprNode($stmt, $elseif->cond, $condScope, $storage, $nodeCallback, ExpressionContext::createDeep());
1184:	$throwPoints = array_merge($throwPoints, $condResult->getThrowPoints());
1185:	$impurePoints = array_merge($impurePoints, $condResult->getImpurePoints());
1186:	$condScope = $condResult->getScope();
1187:	$branchScopeStatementResult = $this->processStmtNodesInternal($elseif, $elseif->stmts, $condResult->getTruthyScope(), $storage, $nodeCallback, $context);
1188:
1189:	if (
1190:	!$ifAlwaysTrue
1191:	&& !$lastElseIfConditionIsTrue
1192:	&& !$elseIfConditionType->isTrue()->no()
1193:	) {
1194:	$exitPoints = array_merge($exitPoints, $branchScopeStatementResult->getExitPoints());
1195:	$throwPoints = array_merge($throwPoints, $branchScopeStatementResult->getThrowPoints());
1196:	$impurePoints = array_merge($impurePoints, $branchScopeStatementResult->getImpurePoints());
1197:	$branchScope = $branchScopeStatementResult->getScope();
1198:	$finalScope = $branchScopeStatementResult->isAlwaysTerminating() ? $finalScope : $branchScope->mergeWith($finalScope);
1199:	$alwaysTerminating = $alwaysTerminating && $branchScopeStatementResult->isAlwaysTerminating();
1200:	if (count($branchScopeStatementResult->getEndStatements()) > 0) {
1201:	$endStatements = array_merge($endStatements, $branchScopeStatementResult->getEndStatements());
1202:	} elseif (count($elseif->stmts) > 0) {
1203:	$endStatements[] = new InternalEndStatementResult($elseif->stmts[count($elseif->stmts) - 1], $branchScopeStatementResult);
1204:	} else {
1205:	$endStatements[] = new InternalEndStatementResult($elseif, $branchScopeStatementResult);
1206:	}
1207:	$hasYield = $hasYield \|\| $branchScopeStatementResult->hasYield();
1208:	}
1209:
1210:	if (
1211:	$elseIfConditionType->isTrue()->yes()
1212:	) {
1213:	$lastElseIfConditionIsTrue = true;
1214:	}
1215:
1216:	$condScope = $condScope->filterByFalseyValue($elseif->cond);
1217:	$scope = $condScope;
1218:	}
1219:
1220:	if ($stmt->else === null) {
1221:	if (!$ifAlwaysTrue && !$lastElseIfConditionIsTrue) {
1222:	$finalScope = $scope->mergeWith($finalScope);
1223:	$alwaysTerminating = false;
1224:	}
1225:	} else {
1226:	$this->callNodeCallback($nodeCallback, $stmt->else, $scope, $storage);
1227:	$branchScopeStatementResult = $this->processStmtNodesInternal($stmt->else, $stmt->else->stmts, $scope, $storage, $nodeCallback, $context);
1228:
1229:	if (!$ifAlwaysTrue && !$lastElseIfConditionIsTrue) {
1230:	$exitPoints = array_merge($exitPoints, $branchScopeStatementResult->getExitPoints());
1231:	$throwPoints = array_merge($throwPoints, $branchScopeStatementResult->getThrowPoints());
1232:	$impurePoints = array_merge($impurePoints, $branchScopeStatementResult->getImpurePoints());
1233:	$branchScope = $branchScopeStatementResult->getScope();
1234:	$finalScope = $branchScopeStatementResult->isAlwaysTerminating() ? $finalScope : $branchScope->mergeWith($finalScope);
1235:	$alwaysTerminating = $alwaysTerminating && $branchScopeStatementResult->isAlwaysTerminating();
1236:	if (count($branchScopeStatementResult->getEndStatements()) > 0) {
1237:	$endStatements = array_merge($endStatements, $branchScopeStatementResult->getEndStatements());
1238:	} elseif (count($stmt->else->stmts) > 0) {
1239:	$endStatements[] = new InternalEndStatementResult($stmt->else->stmts[count($stmt->else->stmts) - 1], $branchScopeStatementResult);
1240:	} else {
1241:	$endStatements[] = new InternalEndStatementResult($stmt->else, $branchScopeStatementResult);
1242:	}
1243:	$hasYield = $hasYield \|\| $branchScopeStatementResult->hasYield();
1244:	}
1245:	}
1246:
1247:	if ($finalScope === null) {
1248:	$finalScope = $scope;
1249:	}
1250:
1251:	if ($stmt->else === null && !$ifAlwaysTrue && !$lastElseIfConditionIsTrue) {
1252:	$endStatements[] = new InternalEndStatementResult($stmt, new InternalStatementResult($finalScope, $hasYield, $alwaysTerminating, $exitPoints, $throwPoints, $impurePoints));
1253:	}
1254:
1255:	return new InternalStatementResult($finalScope, $hasYield, $alwaysTerminating, $exitPoints, $throwPoints, $impurePoints, $endStatements);
1256:	} elseif ($stmt instanceof Node\Stmt\TraitUse) {
1257:	$hasYield = false;
1258:	$throwPoints = [];
1259:	$impurePoints = [];
1260:
1261:	$traitStorage = $storage->duplicate();
1262:	$traitStorage->pendingFibers = [];
1263:	$this->processTraitUse($stmt, $scope, $traitStorage, $nodeCallback);
1264:	$this->processPendingFibers($traitStorage);
1265:	} elseif ($stmt instanceof Foreach_) {
1266:	if ($stmt->expr instanceof Variable && is_string($stmt->expr->name)) {
1267:	$scope = $this->processVarAnnotation($scope, [$stmt->expr->name], $stmt);
1268:	}
1269:	$condResult = $this->processExprNode($stmt, $stmt->expr, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
1270:	$throwPoints = $overridingThrowPoints ?? $condResult->getThrowPoints();
1271:	$impurePoints = $condResult->getImpurePoints();
1272:	$scope = $condResult->getScope();
1273:	$arrayComparisonExpr = new BinaryOp\NotIdentical(
1274:	$stmt->expr,
1275:	new Array_([]),
1276:	);
1277:	$this->callNodeCallback($nodeCallback, new InForeachNode($stmt), $scope, $storage);
1278:	$originalScope = $scope;
1279:	$bodyScope = $scope;
1280:
1281:	if ($stmt->keyVar instanceof Variable) {
1282:	$this->callNodeCallback($nodeCallback, new VariableAssignNode($stmt->keyVar, new GetIterableKeyTypeExpr($stmt->expr)), $originalScope, $storage);
1283:	}
1284:
1285:	if ($stmt->valueVar instanceof Variable) {
1286:	$this->callNodeCallback($nodeCallback, new VariableAssignNode($stmt->valueVar, new GetIterableValueTypeExpr($stmt->expr)), $originalScope, $storage);
1287:	}
1288:
1289:	$originalStorage = $storage;
1290:	if ($context->isTopLevel()) {
1291:	$storage = $originalStorage->duplicate();
1292:
1293:	$originalScope = $this->polluteScopeWithAlwaysIterableForeach ? $scope->filterByTruthyValue($arrayComparisonExpr) : $scope;
1294:	$bodyScope = $this->enterForeach($originalScope, $storage, $originalScope, $stmt, $nodeCallback);
1295:	$count = 0;
1296:	do {
1297:	$prevScope = $bodyScope;
1298:	$bodyScope = $bodyScope->mergeWith($this->polluteScopeWithAlwaysIterableForeach ? $scope->filterByTruthyValue($arrayComparisonExpr) : $scope);
1299:	$storage = $originalStorage->duplicate();
1300:	$bodyScope = $this->enterForeach($bodyScope, $storage, $originalScope, $stmt, $nodeCallback);
1301:	$bodyScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $bodyScope, $storage, new NoopNodeCallback(), $context->enterDeep())->filterOutLoopExitPoints();
1302:	$bodyScope = $bodyScopeResult->getScope();
1303:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1304:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1305:	}
1306:	if ($bodyScope->equals($prevScope)) {
1307:	break;
1308:	}
1309:
1310:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
1311:	$bodyScope = $prevScope->generalizeWith($bodyScope);
1312:	}
1313:	$count++;
1314:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
1315:	}
1316:
1317:	$bodyScope = $bodyScope->mergeWith($this->polluteScopeWithAlwaysIterableForeach ? $scope->filterByTruthyValue($arrayComparisonExpr) : $scope);
1318:	$storage = $originalStorage;
1319:	$bodyScope = $this->enterForeach($bodyScope, $storage, $originalScope, $stmt, $nodeCallback);
1320:	$finalScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $bodyScope, $storage, $nodeCallback, $context)->filterOutLoopExitPoints();
1321:	$finalScope = $finalScopeResult->getScope();
1322:	$scopesWithIterableValueType = [];
1323:
1324:	$originalKeyVarExpr = null;
1325:	$continueExitPointHasUnoriginalKeyType = false;
1326:	if ($stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)) {
1327:	$originalKeyVarExpr = new OriginalForeachKeyExpr($stmt->keyVar->name);
1328:	if ($finalScope->hasExpressionType($originalKeyVarExpr)->yes()) {
1329:	$scopesWithIterableValueType[] = $finalScope;
1330:	} else {
1331:	$continueExitPointHasUnoriginalKeyType = true;
1332:	}
1333:	}
1334:
1335:	foreach ($finalScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1336:	$continueScope = $continueExitPoint->getScope();
1337:	$finalScope = $continueScope->mergeWith($finalScope);
1338:	if ($originalKeyVarExpr === null \|\| !$continueScope->hasExpressionType($originalKeyVarExpr)->yes()) {
1339:	$continueExitPointHasUnoriginalKeyType = true;
1340:	continue;
1341:	}
1342:	$scopesWithIterableValueType[] = $continueScope;
1343:	}
1344:	$breakExitPoints = $finalScopeResult->getExitPointsByType(Break_::class);
1345:	foreach ($breakExitPoints as $breakExitPoint) {
1346:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1347:	}
1348:
1349:	$exprType = $scope->getType($stmt->expr);
1350:	$hasExpr = $scope->hasExpressionType($stmt->expr);
1351:	if (
1352:	count($breakExitPoints) === 0
1353:	&& count($scopesWithIterableValueType) > 0
1354:	&& !$continueExitPointHasUnoriginalKeyType
1355:	&& $stmt->keyVar !== null
1356:	&& (!$hasExpr->no() \|\| !$stmt->expr instanceof Variable)
1357:	&& $exprType->isArray()->yes()
1358:	&& $exprType->isConstantArray()->no()
1359:	) {
1360:	$arrayExprDimFetch = new ArrayDimFetch($stmt->expr, $stmt->keyVar);
1361:	$arrayDimFetchLoopTypes = [];
1362:	foreach ($scopesWithIterableValueType as $scopeWithIterableValueType) {
1363:	$arrayDimFetchLoopTypes[] = $scopeWithIterableValueType->getType($arrayExprDimFetch);
1364:	}
1365:
1366:	$arrayDimFetchLoopType = TypeCombinator::union(...$arrayDimFetchLoopTypes);
1367:
1368:	$arrayDimFetchLoopNativeTypes = [];
1369:	foreach ($scopesWithIterableValueType as $scopeWithIterableValueType) {
1370:	$arrayDimFetchLoopNativeTypes[] = $scopeWithIterableValueType->getNativeType($arrayExprDimFetch);
1371:	}
1372:
1373:	$arrayDimFetchLoopNativeType = TypeCombinator::union(...$arrayDimFetchLoopNativeTypes);
1374:
1375:	if (!$arrayDimFetchLoopType->equals($exprType->getIterableValueType())) {
1376:	$newExprType = TypeTraverser::map($exprType, static function (Type $type, callable $traverse) use ($arrayDimFetchLoopType): Type {
1377:	if ($type instanceof UnionType \|\| $type instanceof IntersectionType) {
1378:	return $traverse($type);
1379:	}
1380:
1381:	if (!$type instanceof ArrayType) {
1382:	return $type;
1383:	}
1384:
1385:	return new ArrayType($type->getKeyType(), $arrayDimFetchLoopType);
1386:	});
1387:	$newExprNativeType = TypeTraverser::map($scope->getNativeType($stmt->expr), static function (Type $type, callable $traverse) use ($arrayDimFetchLoopNativeType): Type {
1388:	if ($type instanceof UnionType \|\| $type instanceof IntersectionType) {
1389:	return $traverse($type);
1390:	}
1391:
1392:	if (!$type instanceof ArrayType) {
1393:	return $type;
1394:	}
1395:
1396:	return new ArrayType($type->getKeyType(), $arrayDimFetchLoopNativeType);
1397:	});
1398:
1399:	if ($stmt->expr instanceof Variable && is_string($stmt->expr->name)) {
1400:	$finalScope = $finalScope->assignVariable(
1401:	$stmt->expr->name,
1402:	$newExprType,
1403:	$newExprNativeType,
1404:	$hasExpr,
1405:	);
1406:	} else {
1407:	$finalScope = $finalScope->assignExpression(
1408:	$stmt->expr,
1409:	$newExprType,
1410:	$newExprNativeType,
1411:	);
1412:	}
1413:	}
1414:	}
1415:
1416:	$isIterableAtLeastOnce = $exprType->isIterableAtLeastOnce();
1417:	if ($isIterableAtLeastOnce->maybe() \|\| $exprType->isIterable()->no()) {
1418:	$finalScope = $finalScope->mergeWith($scope->filterByTruthyValue(new BooleanOr(
1419:	new BinaryOp\Identical(
1420:	$stmt->expr,
1421:	new Array_([]),
1422:	),
1423:	new FuncCall(new Name\FullyQualified('is_object'), [
1424:	new Arg($stmt->expr),
1425:	]),
1426:	)));
1427:	} elseif ($isIterableAtLeastOnce->no() \|\| $finalScopeResult->isAlwaysTerminating()) {
1428:	$finalScope = $scope;
1429:	} elseif (!$this->polluteScopeWithAlwaysIterableForeach) {
1430:	$finalScope = $scope->processAlwaysIterableForeachScopeWithoutPollute($finalScope);
1431:	// get types from finalScope, but don't create new variables
1432:	}
1433:
1434:	if (!$isIterableAtLeastOnce->no()) {
1435:	$throwPoints = array_merge($throwPoints, $finalScopeResult->getThrowPoints());
1436:	$impurePoints = array_merge($impurePoints, $finalScopeResult->getImpurePoints());
1437:	}
1438:	if (!(new ObjectType(Traversable::class))->isSuperTypeOf($scope->getType($stmt->expr))->no()) {
1439:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $stmt->expr);
1440:	}
1441:	if ($context->isTopLevel() && $stmt->byRef) {
1442:	$finalScope = $finalScope->assignExpression(new ForeachValueByRefExpr($stmt->valueVar), new MixedType(), new MixedType());
1443:	}
1444:
1445:	return new InternalStatementResult(
1446:	$finalScope,
1447:	$finalScopeResult->hasYield() \|\| $condResult->hasYield(),
1448:	$isIterableAtLeastOnce->yes() && $finalScopeResult->isAlwaysTerminating(),
1449:	$finalScopeResult->getExitPointsForOuterLoop(),
1450:	$throwPoints,
1451:	$impurePoints,
1452:	);
1453:	} elseif ($stmt instanceof While_) {
1454:	$originalStorage = $storage;
1455:	$storage = $originalStorage->duplicate();
1456:	$condResult = $this->processExprNode($stmt, $stmt->cond, $scope, $storage, new NoopNodeCallback(), ExpressionContext::createDeep());
1457:	$beforeCondBooleanType = ($this->treatPhpDocTypesAsCertain ? $scope->getType($stmt->cond) : $scope->getNativeType($stmt->cond))->toBoolean();
1458:	$condScope = $condResult->getFalseyScope();
1459:	if (!$context->isTopLevel() && $beforeCondBooleanType->isFalse()->yes()) {
1460:	if (!$this->polluteScopeWithLoopInitialAssignments) {
1461:	$scope = $condScope->mergeWith($scope);
1462:	}
1463:
1464:	return new InternalStatementResult(
1465:	$scope,
1466:	$condResult->hasYield(),
1467:	false,
1468:	[],
1469:	$condResult->getThrowPoints(),
1470:	$condResult->getImpurePoints(),
1471:	);
1472:	}
1473:	$bodyScope = $condResult->getTruthyScope();
1474:
1475:	if ($context->isTopLevel()) {
1476:	$count = 0;
1477:	do {
1478:	$prevScope = $bodyScope;
1479:	$bodyScope = $bodyScope->mergeWith($scope);
1480:	$storage = $originalStorage->duplicate();
1481:	$bodyScope = $this->processExprNode($stmt, $stmt->cond, $bodyScope, $storage, new NoopNodeCallback(), ExpressionContext::createDeep())->getTruthyScope();
1482:	$bodyScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $bodyScope, $storage, new NoopNodeCallback(), $context->enterDeep())->filterOutLoopExitPoints();
1483:	$bodyScope = $bodyScopeResult->getScope();
1484:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1485:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1486:	}
1487:	if ($bodyScope->equals($prevScope)) {
1488:	break;
1489:	}
1490:
1491:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
1492:	$bodyScope = $prevScope->generalizeWith($bodyScope);
1493:	}
1494:	$count++;
1495:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
1496:	}
1497:
1498:	$bodyScope = $bodyScope->mergeWith($scope);
1499:	$bodyScopeMaybeRan = $bodyScope;
1500:	$storage = $originalStorage;
1501:	$bodyScope = $this->processExprNode($stmt, $stmt->cond, $bodyScope, $storage, $nodeCallback, ExpressionContext::createDeep())->getTruthyScope();
1502:	$finalScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $bodyScope, $storage, $nodeCallback, $context)->filterOutLoopExitPoints();
1503:	$finalScope = $finalScopeResult->getScope()->filterByFalseyValue($stmt->cond);
1504:
1505:	$alwaysIterates = false;
1506:	$neverIterates = false;
1507:	if ($context->isTopLevel()) {
1508:	$condBooleanType = ($this->treatPhpDocTypesAsCertain ? $bodyScopeMaybeRan->getType($stmt->cond) : $bodyScopeMaybeRan->getNativeType($stmt->cond))->toBoolean();
1509:	$alwaysIterates = $condBooleanType->isTrue()->yes();
1510:	$neverIterates = $condBooleanType->isFalse()->yes();
1511:	}
1512:	if (!$alwaysIterates) {
1513:	foreach ($finalScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1514:	$finalScope = $finalScope->mergeWith($continueExitPoint->getScope());
1515:	}
1516:	}
1517:
1518:	$breakExitPoints = $finalScopeResult->getExitPointsByType(Break_::class);
1519:	foreach ($breakExitPoints as $breakExitPoint) {
1520:	$finalScope = $finalScope->mergeWith($breakExitPoint->getScope());
1521:	}
1522:
1523:	$isIterableAtLeastOnce = $beforeCondBooleanType->isTrue()->yes();
1524:	$this->callNodeCallback($nodeCallback, new BreaklessWhileLoopNode($stmt, $finalScopeResult->toPublic()->getExitPoints()), $bodyScopeMaybeRan, $storage);
1525:
1526:	if ($alwaysIterates) {
1527:	$isAlwaysTerminating = count($finalScopeResult->getExitPointsByType(Break_::class)) === 0;
1528:	} elseif ($isIterableAtLeastOnce) {
1529:	$isAlwaysTerminating = $finalScopeResult->isAlwaysTerminating();
1530:	} else {
1531:	$isAlwaysTerminating = false;
1532:	}
1533:	if (!$isIterableAtLeastOnce) {
1534:	if (!$this->polluteScopeWithLoopInitialAssignments) {
1535:	$condScope = $condScope->mergeWith($scope);
1536:	}
1537:	$finalScope = $finalScope->mergeWith($condScope);
1538:	}
1539:
1540:	$throwPoints = $overridingThrowPoints ?? $condResult->getThrowPoints();
1541:	$impurePoints = $condResult->getImpurePoints();
1542:	if (!$neverIterates) {
1543:	$throwPoints = array_merge($throwPoints, $finalScopeResult->getThrowPoints());
1544:	$impurePoints = array_merge($impurePoints, $finalScopeResult->getImpurePoints());
1545:	}
1546:
1547:	return new InternalStatementResult(
1548:	$finalScope,
1549:	$finalScopeResult->hasYield() \|\| $condResult->hasYield(),
1550:	$isAlwaysTerminating,
1551:	$finalScopeResult->getExitPointsForOuterLoop(),
1552:	$throwPoints,
1553:	$impurePoints,
1554:	);
1555:	} elseif ($stmt instanceof Do_) {
1556:	$finalScope = null;
1557:	$bodyScope = $scope;
1558:	$count = 0;
1559:	$hasYield = false;
1560:	$throwPoints = [];
1561:	$impurePoints = [];
1562:	$originalStorage = $storage;
1563:
1564:	if ($context->isTopLevel()) {
1565:	do {
1566:	$prevScope = $bodyScope;
1567:	$bodyScope = $bodyScope->mergeWith($scope);
1568:	$storage = $originalStorage->duplicate();
1569:	$bodyScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $bodyScope, $storage, new NoopNodeCallback(), $context->enterDeep())->filterOutLoopExitPoints();
1570:	$alwaysTerminating = $bodyScopeResult->isAlwaysTerminating();
1571:	$bodyScope = $bodyScopeResult->getScope();
1572:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1573:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1574:	}
1575:	$finalScope = $alwaysTerminating ? $finalScope : $bodyScope->mergeWith($finalScope);
1576:	foreach ($bodyScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1577:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1578:	}
1579:	$bodyScope = $this->processExprNode($stmt, $stmt->cond, $bodyScope, $storage, new NoopNodeCallback(), ExpressionContext::createDeep())->getTruthyScope();
1580:	if ($bodyScope->equals($prevScope)) {
1581:	break;
1582:	}
1583:
1584:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
1585:	$bodyScope = $prevScope->generalizeWith($bodyScope);
1586:	}
1587:	$count++;
1588:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
1589:
1590:	$bodyScope = $bodyScope->mergeWith($scope);
1591:	}
1592:
1593:	$storage = $originalStorage;
1594:	$bodyScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $bodyScope, $storage, $nodeCallback, $context)->filterOutLoopExitPoints();
1595:	$bodyScope = $bodyScopeResult->getScope();
1596:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1597:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1598:	}
1599:
1600:	$alwaysIterates = false;
1601:	if ($context->isTopLevel()) {
1602:	$condBooleanType = ($this->treatPhpDocTypesAsCertain ? $bodyScope->getType($stmt->cond) : $bodyScope->getNativeType($stmt->cond))->toBoolean();
1603:	$alwaysIterates = $condBooleanType->isTrue()->yes();
1604:	}
1605:
1606:	$this->callNodeCallback($nodeCallback, new DoWhileLoopConditionNode($stmt->cond, $bodyScopeResult->toPublic()->getExitPoints()), $bodyScope, $storage);
1607:
1608:	if ($alwaysIterates) {
1609:	$alwaysTerminating = count($bodyScopeResult->getExitPointsByType(Break_::class)) === 0;
1610:	} else {
1611:	$alwaysTerminating = $bodyScopeResult->isAlwaysTerminating();
1612:	}
1613:	$finalScope = $alwaysTerminating ? $finalScope : $bodyScope->mergeWith($finalScope);
1614:	if ($finalScope === null) {
1615:	$finalScope = $scope;
1616:	}
1617:	if (!$alwaysTerminating) {
1618:	$condResult = $this->processExprNode($stmt, $stmt->cond, $bodyScope, $storage, $nodeCallback, ExpressionContext::createDeep());
1619:	$hasYield = $condResult->hasYield();
1620:	$throwPoints = $condResult->getThrowPoints();
1621:	$impurePoints = $condResult->getImpurePoints();
1622:	$finalScope = $condResult->getFalseyScope();
1623:	} else {
1624:	$this->processExprNode($stmt, $stmt->cond, $bodyScope, $storage, $nodeCallback, ExpressionContext::createDeep());
1625:	}
1626:	foreach ($bodyScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1627:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1628:	}
1629:
1630:	return new InternalStatementResult(
1631:	$finalScope,
1632:	$bodyScopeResult->hasYield() \|\| $hasYield,
1633:	$alwaysTerminating,
1634:	$bodyScopeResult->getExitPointsForOuterLoop(),
1635:	array_merge($throwPoints, $bodyScopeResult->getThrowPoints()),
1636:	array_merge($impurePoints, $bodyScopeResult->getImpurePoints()),
1637:	);
1638:	} elseif ($stmt instanceof For_) {
1639:	$initScope = $scope;
1640:	$hasYield = false;
1641:	$throwPoints = [];
1642:	$impurePoints = [];
1643:	foreach ($stmt->init as $initExpr) {
1644:	$initResult = $this->processExprNode($stmt, $initExpr, $initScope, $storage, $nodeCallback, ExpressionContext::createTopLevel());
1645:	$initScope = $initResult->getScope();
1646:	$hasYield = $hasYield \|\| $initResult->hasYield();
1647:	$throwPoints = array_merge($throwPoints, $initResult->getThrowPoints());
1648:	$impurePoints = array_merge($impurePoints, $initResult->getImpurePoints());
1649:	}
1650:
1651:	$originalStorage = $storage;
1652:
1653:	$bodyScope = $initScope;
1654:	$isIterableAtLeastOnce = TrinaryLogic::createYes();
1655:	$lastCondExpr = array_last($stmt->cond) ?? null;
1656:	if (count($stmt->cond) > 0) {
1657:	$storage = $originalStorage->duplicate();
1658:
1659:	foreach ($stmt->cond as $condExpr) {
1660:	$condResult = $this->processExprNode($stmt, $condExpr, $bodyScope, $storage, new NoopNodeCallback(), ExpressionContext::createDeep());
1661:	$initScope = $condResult->getScope();
1662:	$condResultScope = $condResult->getScope();
1663:
1664:	// only the last condition expression is relevant whether the loop continues
1665:	// see https://www.php.net/manual/en/control-structures.for.php
1666:	if ($condExpr === $lastCondExpr) {
1667:	$condTruthiness = ($this->treatPhpDocTypesAsCertain ? $condResultScope->getType($condExpr) : $condResultScope->getNativeType($condExpr))->toBoolean();
1668:	$isIterableAtLeastOnce = $isIterableAtLeastOnce->and($condTruthiness->isTrue());
1669:	}
1670:
1671:	$hasYield = $hasYield \|\| $condResult->hasYield();
1672:	$throwPoints = array_merge($throwPoints, $condResult->getThrowPoints());
1673:	$impurePoints = array_merge($impurePoints, $condResult->getImpurePoints());
1674:	$bodyScope = $condResult->getTruthyScope();
1675:	}
1676:	}
1677:
1678:	if ($context->isTopLevel()) {
1679:	$count = 0;
1680:	do {
1681:	$prevScope = $bodyScope;
1682:	$storage = $originalStorage->duplicate();
1683:	$bodyScope = $bodyScope->mergeWith($initScope);
1684:	if ($lastCondExpr !== null) {
1685:	$bodyScope = $this->processExprNode($stmt, $lastCondExpr, $bodyScope, $storage, new NoopNodeCallback(), ExpressionContext::createDeep())->getTruthyScope();
1686:	}
1687:	$bodyScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $bodyScope, $storage, new NoopNodeCallback(), $context->enterDeep())->filterOutLoopExitPoints();
1688:	$bodyScope = $bodyScopeResult->getScope();
1689:	foreach ($bodyScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1690:	$bodyScope = $bodyScope->mergeWith($continueExitPoint->getScope());
1691:	}
1692:
1693:	foreach ($stmt->loop as $loopExpr) {
1694:	$exprResult = $this->processExprNode($stmt, $loopExpr, $bodyScope, $storage, new NoopNodeCallback(), ExpressionContext::createTopLevel());
1695:	$bodyScope = $exprResult->getScope();
1696:	$hasYield = $hasYield \|\| $exprResult->hasYield();
1697:	$throwPoints = array_merge($throwPoints, $exprResult->getThrowPoints());
1698:	$impurePoints = array_merge($impurePoints, $exprResult->getImpurePoints());
1699:	}
1700:
1701:	if ($bodyScope->equals($prevScope)) {
1702:	break;
1703:	}
1704:
1705:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
1706:	$bodyScope = $prevScope->generalizeWith($bodyScope);
1707:	}
1708:	$count++;
1709:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
1710:	}
1711:
1712:	$storage = $originalStorage;
1713:	$bodyScope = $bodyScope->mergeWith($initScope);
1714:
1715:	$alwaysIterates = TrinaryLogic::createFromBoolean($context->isTopLevel());
1716:	if ($lastCondExpr !== null) {
1717:	$alwaysIterates = $alwaysIterates->and($bodyScope->getType($lastCondExpr)->toBoolean()->isTrue());
1718:	$bodyScope = $this->processExprNode($stmt, $lastCondExpr, $bodyScope, $storage, $nodeCallback, ExpressionContext::createDeep())->getTruthyScope();
1719:	$bodyScope = $this->inferForLoopExpressions($stmt, $lastCondExpr, $bodyScope);
1720:	}
1721:
1722:	$finalScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $bodyScope, $storage, $nodeCallback, $context)->filterOutLoopExitPoints();
1723:	$finalScope = $finalScopeResult->getScope();
1724:	foreach ($finalScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1725:	$finalScope = $continueExitPoint->getScope()->mergeWith($finalScope);
1726:	}
1727:
1728:	$loopScope = $finalScope;
1729:	foreach ($stmt->loop as $loopExpr) {
1730:	$loopScope = $this->processExprNode($stmt, $loopExpr, $loopScope, $storage, $nodeCallback, ExpressionContext::createTopLevel())->getScope();
1731:	}
1732:	$finalScope = $finalScope->generalizeWith($loopScope);
1733:
1734:	if ($lastCondExpr !== null) {
1735:	$finalScope = $finalScope->filterByFalseyValue($lastCondExpr);
1736:	}
1737:
1738:	foreach ($finalScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1739:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1740:	}
1741:
1742:	if ($isIterableAtLeastOnce->no() \|\| $finalScopeResult->isAlwaysTerminating()) {
1743:	if ($this->polluteScopeWithLoopInitialAssignments) {
1744:	$finalScope = $initScope;
1745:	} else {
1746:	$finalScope = $scope;
1747:	}
1748:
1749:	} elseif ($isIterableAtLeastOnce->maybe()) {
1750:	if ($this->polluteScopeWithLoopInitialAssignments) {
1751:	$finalScope = $finalScope->mergeWith($initScope);
1752:	} else {
1753:	$finalScope = $finalScope->mergeWith($scope);
1754:	}
1755:	} else {
1756:	if (!$this->polluteScopeWithLoopInitialAssignments) {
1757:	$finalScope = $finalScope->mergeWith($scope);
1758:	}
1759:	}
1760:
1761:	if ($alwaysIterates->yes()) {
1762:	$isAlwaysTerminating = count($finalScopeResult->getExitPointsByType(Break_::class)) === 0;
1763:	} elseif ($isIterableAtLeastOnce->yes()) {
1764:	$isAlwaysTerminating = $finalScopeResult->isAlwaysTerminating();
1765:	} else {
1766:	$isAlwaysTerminating = false;
1767:	}
1768:
1769:	return new InternalStatementResult(
1770:	$finalScope,
1771:	$finalScopeResult->hasYield() \|\| $hasYield,
1772:	$isAlwaysTerminating,
1773:	$finalScopeResult->getExitPointsForOuterLoop(),
1774:	array_merge($throwPoints, $finalScopeResult->getThrowPoints()),
1775:	array_merge($impurePoints, $finalScopeResult->getImpurePoints()),
1776:	);
1777:	} elseif ($stmt instanceof Switch_) {
1778:	$condResult = $this->processExprNode($stmt, $stmt->cond, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
1779:	$scope = $condResult->getScope();
1780:	$scopeForBranches = $scope;
1781:	$finalScope = null;
1782:	$prevScope = null;
1783:	$hasDefaultCase = false;
1784:	$alwaysTerminating = true;
1785:	$hasYield = $condResult->hasYield();
1786:	$exitPointsForOuterLoop = [];
1787:	$throwPoints = $condResult->getThrowPoints();
1788:	$impurePoints = $condResult->getImpurePoints();
1789:	$fullCondExpr = null;
1790:	foreach ($stmt->cases as $caseNode) {
1791:	if ($caseNode->cond !== null) {
1792:	$condExpr = new BinaryOp\Equal($stmt->cond, $caseNode->cond);
1793:	$fullCondExpr = $fullCondExpr === null ? $condExpr : new BooleanOr($fullCondExpr, $condExpr);
1794:	$caseResult = $this->processExprNode($stmt, $caseNode->cond, $scopeForBranches, $storage, $nodeCallback, ExpressionContext::createDeep());
1795:	$scopeForBranches = $caseResult->getScope();
1796:	$hasYield = $hasYield \|\| $caseResult->hasYield();
1797:	$throwPoints = array_merge($throwPoints, $caseResult->getThrowPoints());
1798:	$impurePoints = array_merge($impurePoints, $caseResult->getImpurePoints());
1799:	$branchScope = $caseResult->getTruthyScope()->filterByTruthyValue($condExpr);
1800:	} else {
1801:	$hasDefaultCase = true;
1802:	$fullCondExpr = null;
1803:	$branchScope = $scopeForBranches;
1804:	}
1805:
1806:	$branchScope = $branchScope->mergeWith($prevScope);
1807:	$branchScopeResult = $this->processStmtNodesInternal($caseNode, $caseNode->stmts, $branchScope, $storage, $nodeCallback, $context);
1808:	$branchScope = $branchScopeResult->getScope();
1809:	$branchFinalScopeResult = $branchScopeResult->filterOutLoopExitPoints();
1810:	$hasYield = $hasYield \|\| $branchFinalScopeResult->hasYield();
1811:	foreach ($branchScopeResult->getExitPointsByType(Break_::class) as $breakExitPoint) {
1812:	$alwaysTerminating = false;
1813:	$finalScope = $breakExitPoint->getScope()->mergeWith($finalScope);
1814:	}
1815:	foreach ($branchScopeResult->getExitPointsByType(Continue_::class) as $continueExitPoint) {
1816:	$finalScope = $continueExitPoint->getScope()->mergeWith($finalScope);
1817:	}
1818:	$exitPointsForOuterLoop = array_merge($exitPointsForOuterLoop, $branchFinalScopeResult->getExitPointsForOuterLoop());
1819:	$throwPoints = array_merge($throwPoints, $branchFinalScopeResult->getThrowPoints());
1820:	$impurePoints = array_merge($impurePoints, $branchFinalScopeResult->getImpurePoints());
1821:	if ($branchScopeResult->isAlwaysTerminating()) {
1822:	$alwaysTerminating = $alwaysTerminating && $branchFinalScopeResult->isAlwaysTerminating();
1823:	$prevScope = null;
1824:	if (isset($fullCondExpr)) {
1825:	$scopeForBranches = $scopeForBranches->filterByFalseyValue($fullCondExpr);
1826:	$fullCondExpr = null;
1827:	}
1828:	if (!$branchFinalScopeResult->isAlwaysTerminating()) {
1829:	$finalScope = $branchScope->mergeWith($finalScope);
1830:	}
1831:	} else {
1832:	$prevScope = $branchScope;
1833:	}
1834:	}
1835:
1836:	$exhaustive = $scopeForBranches->getType($stmt->cond) instanceof NeverType;
1837:
1838:	if (!$hasDefaultCase && !$exhaustive) {
1839:	$alwaysTerminating = false;
1840:	}
1841:
1842:	if ($prevScope !== null && isset($branchFinalScopeResult)) {
1843:	$finalScope = $prevScope->mergeWith($finalScope);
1844:	$alwaysTerminating = $alwaysTerminating && $branchFinalScopeResult->isAlwaysTerminating();
1845:	}
1846:
1847:	if ((!$hasDefaultCase && !$exhaustive) \|\| $finalScope === null) {
1848:	$finalScope = $scope->mergeWith($finalScope);
1849:	}
1850:
1851:	return new InternalStatementResult($finalScope, $hasYield, $alwaysTerminating, $exitPointsForOuterLoop, $throwPoints, $impurePoints);
1852:	} elseif ($stmt instanceof TryCatch) {
1853:	$branchScopeResult = $this->processStmtNodesInternal($stmt, $stmt->stmts, $scope, $storage, $nodeCallback, $context);
1854:	$branchScope = $branchScopeResult->getScope();
1855:	$finalScope = $branchScopeResult->isAlwaysTerminating() ? null : $branchScope;
1856:
1857:	$exitPoints = [];
1858:	$finallyExitPoints = [];
1859:	$alwaysTerminating = $branchScopeResult->isAlwaysTerminating();
1860:	$hasYield = $branchScopeResult->hasYield();
1861:
1862:	if ($stmt->finally !== null) {
1863:	$finallyScope = $branchScope;
1864:	} else {
1865:	$finallyScope = null;
1866:	}
1867:	foreach ($branchScopeResult->getExitPoints() as $exitPoint) {
1868:	$finallyExitPoints[] = $exitPoint->toPublic();
1869:	if ($exitPoint->getStatement() instanceof Node\Stmt\Expression && $exitPoint->getStatement()->expr instanceof Expr\Throw_) {
1870:	continue;
1871:	}
1872:	if ($finallyScope !== null) {
1873:	$finallyScope = $finallyScope->mergeWith($exitPoint->getScope());
1874:	}
1875:	$exitPoints[] = $exitPoint;
1876:	}
1877:
1878:	$throwPoints = $branchScopeResult->getThrowPoints();
1879:	$impurePoints = $branchScopeResult->getImpurePoints();
1880:	$throwPointsForLater = [];
1881:	$pastCatchTypes = new NeverType();
1882:
1883:	foreach ($stmt->catches as $catchNode) {
1884:	$this->callNodeCallback($nodeCallback, $catchNode, $scope, $storage);
1885:
1886:	$originalCatchTypes = array_map(static fn (Name $name): Type => new ObjectType($name->toString()), $catchNode->types);
1887:	$catchTypes = array_map(static fn (Type $type): Type => TypeCombinator::remove($type, $pastCatchTypes), $originalCatchTypes);
1888:
1889:	$originalCatchType = TypeCombinator::union(...$originalCatchTypes);
1890:	$catchType = TypeCombinator::union(...$catchTypes);
1891:	$pastCatchTypes = TypeCombinator::union($pastCatchTypes, $originalCatchType);
1892:
1893:	$matchingThrowPoints = [];
1894:	$matchingCatchTypes = array_fill_keys(array_keys($originalCatchTypes), false);
1895:
1896:	// throwable matches all
1897:	foreach ($originalCatchTypes as $catchTypeIndex => $catchTypeItem) {
1898:	if (!$catchTypeItem->isSuperTypeOf(new ObjectType(Throwable::class))->yes()) {
1899:	continue;
1900:	}
1901:
1902:	foreach ($throwPoints as $throwPointIndex => $throwPoint) {
1903:	$matchingThrowPoints[$throwPointIndex] = $throwPoint;
1904:	$matchingCatchTypes[$catchTypeIndex] = true;
1905:	}
1906:	}
1907:
1908:	// explicit only
1909:	$onlyExplicitIsThrow = true;
1910:	if (count($matchingThrowPoints) === 0) {
1911:	foreach ($throwPoints as $throwPointIndex => $throwPoint) {
1912:	foreach ($catchTypes as $catchTypeIndex => $catchTypeItem) {
1913:	if ($catchTypeItem->isSuperTypeOf($throwPoint->getType())->no()) {
1914:	continue;
1915:	}
1916:
1917:	$matchingCatchTypes[$catchTypeIndex] = true;
1918:	if (!$throwPoint->isExplicit()) {
1919:	continue;
1920:	}
1921:	$throwNode = $throwPoint->getNode();
1922:	if (
1923:	!$throwNode instanceof Expr\Throw_
1924:	&& !($throwNode instanceof Node\Stmt\Expression && $throwNode->expr instanceof Expr\Throw_)
1925:	) {
1926:	$onlyExplicitIsThrow = false;
1927:	}
1928:	$matchingThrowPoints[$throwPointIndex] = $throwPoint;
1929:	}
1930:	}
1931:	}
1932:
1933:	// implicit only
1934:	if (count($matchingThrowPoints) === 0 \|\| $onlyExplicitIsThrow) {
1935:	foreach ($throwPoints as $throwPointIndex => $throwPoint) {
1936:	if ($throwPoint->isExplicit()) {
1937:	continue;
1938:	}
1939:
1940:	foreach ($catchTypes as $catchTypeItem) {
1941:	if ($catchTypeItem->isSuperTypeOf($throwPoint->getType())->no()) {
1942:	continue;
1943:	}
1944:
1945:	$matchingThrowPoints[$throwPointIndex] = $throwPoint;
1946:	}
1947:	}
1948:	}
1949:
1950:	// include previously removed throw points
1951:	if (count($matchingThrowPoints) === 0) {
1952:	if ($originalCatchType->isSuperTypeOf(new ObjectType(Throwable::class))->yes()) {
1953:	foreach ($branchScopeResult->getThrowPoints() as $originalThrowPoint) {
1954:	if (!$originalThrowPoint->canContainAnyThrowable()) {
1955:	continue;
1956:	}
1957:
1958:	$matchingThrowPoints[] = $originalThrowPoint;
1959:	$matchingCatchTypes = array_fill_keys(array_keys($originalCatchTypes), true);
1960:	}
1961:	}
1962:	}
1963:
1964:	// emit error
1965:	foreach ($matchingCatchTypes as $catchTypeIndex => $matched) {
1966:	if ($matched) {
1967:	continue;
1968:	}
1969:	$this->callNodeCallback($nodeCallback, new CatchWithUnthrownExceptionNode($catchNode, $catchTypes[$catchTypeIndex], $originalCatchTypes[$catchTypeIndex]), $scope, $storage);
1970:	}
1971:
1972:	if (count($matchingThrowPoints) === 0) {
1973:	continue;
1974:	}
1975:
1976:	// recompute throw points
1977:	$newThrowPoints = [];
1978:	foreach ($throwPoints as $throwPoint) {
1979:	$newThrowPoint = $throwPoint->subtractCatchType($originalCatchType);
1980:
1981:	if ($newThrowPoint->getType() instanceof NeverType) {
1982:	continue;
1983:	}
1984:
1985:	$newThrowPoints[] = $newThrowPoint;
1986:	}
1987:	$throwPoints = $newThrowPoints;
1988:
1989:	$catchScope = null;
1990:	foreach ($matchingThrowPoints as $matchingThrowPoint) {
1991:	if ($catchScope === null) {
1992:	$catchScope = $matchingThrowPoint->getScope();
1993:	} else {
1994:	$catchScope = $catchScope->mergeWith($matchingThrowPoint->getScope());
1995:	}
1996:	}
1997:
1998:	$variableName = null;
1999:	if ($catchNode->var !== null) {
2000:	if (!is_string($catchNode->var->name)) {
2001:	throw new ShouldNotHappenException();
2002:	}
2003:
2004:	$variableName = $catchNode->var->name;
2005:	}
2006:
2007:	$catchScopeResult = $this->processStmtNodesInternal($catchNode, $catchNode->stmts, $catchScope->enterCatchType($catchType, $variableName), $storage, $nodeCallback, $context);
2008:	$catchScopeForFinally = $catchScopeResult->getScope();
2009:
2010:	$finalScope = $catchScopeResult->isAlwaysTerminating() ? $finalScope : $catchScopeResult->getScope()->mergeWith($finalScope);
2011:	$alwaysTerminating = $alwaysTerminating && $catchScopeResult->isAlwaysTerminating();
2012:	$hasYield = $hasYield \|\| $catchScopeResult->hasYield();
2013:	$catchThrowPoints = $catchScopeResult->getThrowPoints();
2014:	$impurePoints = array_merge($impurePoints, $catchScopeResult->getImpurePoints());
2015:	$throwPointsForLater = array_merge($throwPointsForLater, $catchThrowPoints);
2016:
2017:	if ($finallyScope !== null) {
2018:	$finallyScope = $finallyScope->mergeWith($catchScopeForFinally);
2019:	}
2020:	foreach ($catchScopeResult->getExitPoints() as $exitPoint) {
2021:	$finallyExitPoints[] = $exitPoint->toPublic();
2022:	if ($exitPoint->getStatement() instanceof Node\Stmt\Expression && $exitPoint->getStatement()->expr instanceof Expr\Throw_) {
2023:	continue;
2024:	}
2025:	if ($finallyScope !== null) {
2026:	$finallyScope = $finallyScope->mergeWith($exitPoint->getScope());
2027:	}
2028:	$exitPoints[] = $exitPoint;
2029:	}
2030:
2031:	foreach ($catchThrowPoints as $catchThrowPoint) {
2032:	if ($finallyScope === null) {
2033:	continue;
2034:	}
2035:	$finallyScope = $finallyScope->mergeWith($catchThrowPoint->getScope());
2036:	}
2037:	}
2038:
2039:	if ($finalScope === null) {
2040:	$finalScope = $scope;
2041:	}
2042:
2043:	foreach ($throwPoints as $throwPoint) {
2044:	if ($finallyScope === null) {
2045:	continue;
2046:	}
2047:	$finallyScope = $finallyScope->mergeWith($throwPoint->getScope());
2048:	}
2049:
2050:	if ($finallyScope !== null) {
2051:	$originalFinallyScope = $finallyScope;
2052:	$finallyResult = $this->processStmtNodesInternal($stmt->finally, $stmt->finally->stmts, $finallyScope, $storage, $nodeCallback, $context);
2053:	$alwaysTerminating = $alwaysTerminating \|\| $finallyResult->isAlwaysTerminating();
2054:	$hasYield = $hasYield \|\| $finallyResult->hasYield();
2055:	$throwPointsForLater = array_merge($throwPointsForLater, $finallyResult->getThrowPoints());
2056:	$impurePoints = array_merge($impurePoints, $finallyResult->getImpurePoints());
2057:	$finallyScope = $finallyResult->getScope();
2058:	$finalScope = $finallyResult->isAlwaysTerminating() ? $finalScope : $finalScope->processFinallyScope($finallyScope, $originalFinallyScope);
2059:	if (count($finallyResult->getExitPoints()) > 0) {
2060:	$this->callNodeCallback($nodeCallback, new FinallyExitPointsNode(
2061:	$finallyResult->toPublic()->getExitPoints(),
2062:	$finallyExitPoints,
2063:	), $scope, $storage);
2064:	}
2065:	$exitPoints = array_merge($exitPoints, $finallyResult->getExitPoints());
2066:	}
2067:
2068:	return new InternalStatementResult($finalScope, $hasYield, $alwaysTerminating, $exitPoints, array_merge($throwPoints, $throwPointsForLater), $impurePoints);
2069:	} elseif ($stmt instanceof Unset_) {
2070:	$hasYield = false;
2071:	$throwPoints = [];
2072:	$impurePoints = [];
2073:	foreach ($stmt->vars as $var) {
2074:	$scope = $this->lookForSetAllowedUndefinedExpressions($scope, $var);
2075:	$exprResult = $this->processExprNode($stmt, $var, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
2076:	$scope = $exprResult->getScope();
2077:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $var);
2078:	$hasYield = $hasYield \|\| $exprResult->hasYield();
2079:	$throwPoints = array_merge($throwPoints, $exprResult->getThrowPoints());
2080:	$impurePoints = array_merge($impurePoints, $exprResult->getImpurePoints());
2081:	if ($var instanceof ArrayDimFetch && $var->dim !== null) {
2082:	$clonedVar = $this->deepNodeCloner->cloneNode($var->var);
2083:	$traverser = new NodeTraverser();
2084:	$traverser->addVisitor(new class () extends NodeVisitorAbstract {
2085:
2086:	#[Override]
2087:	public function leaveNode(Node $node): ?ExistingArrayDimFetch
2088:	{
2089:	if (!$node instanceof ArrayDimFetch \|\| $node->dim === null) {
2090:	return null;
2091:	}
2092:
2093:	return new ExistingArrayDimFetch($node->var, $node->dim);
2094:	}
2095:
2096:	});
2097:
2098:	/** @var Expr $clonedVar */
2099:	[$clonedVar] = $traverser->traverse([$clonedVar]);
2100:	$scope = $this->processVirtualAssign($scope, $storage, $stmt, $clonedVar, new UnsetOffsetExpr($var->var, $var->dim), $nodeCallback)->getScope();
2101:	} elseif ($var instanceof PropertyFetch) {
2102:	$scope = $scope->invalidateExpression($var);
2103:	$impurePoints[] = new ImpurePoint(
2104:	$scope,
2105:	$var,
2106:	'propertyUnset',
2107:	'property unset',
2108:	true,
2109:	);
2110:	} else {
2111:	$scope = $scope->invalidateExpression($var);
2112:	}
2113:
2114:	$scope = $scope->invalidateExpression(new ForeachValueByRefExpr($var));
2115:	}
2116:	} elseif ($stmt instanceof Node\Stmt\Use_) {
2117:	$hasYield = false;
2118:	$throwPoints = [];
2119:	$impurePoints = [];
2120:	foreach ($stmt->uses as $use) {
2121:	$this->callNodeCallback($nodeCallback, $use, $scope, $storage);
2122:	}
2123:	} elseif ($stmt instanceof Node\Stmt\Global_) {
2124:	$hasYield = false;
2125:	$throwPoints = [];
2126:	$impurePoints = [
2127:	new ImpurePoint(
2128:	$scope,
2129:	$stmt,
2130:	'global',
2131:	'global variable',
2132:	true,
2133:	),
2134:	];
2135:	$vars = [];
2136:	foreach ($stmt->vars as $var) {
2137:	if (!$var instanceof Variable) {
2138:	throw new ShouldNotHappenException();
2139:	}
2140:	$scope = $this->lookForSetAllowedUndefinedExpressions($scope, $var);
2141:	$varResult = $this->processExprNode($stmt, $var, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
2142:	$impurePoints = array_merge($impurePoints, $varResult->getImpurePoints());
2143:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $var);
2144:
2145:	if (!is_string($var->name)) {
2146:	continue;
2147:	}
2148:
2149:	$scope = $scope->assignVariable($var->name, new MixedType(), new MixedType(), TrinaryLogic::createYes());
2150:	$vars[] = $var->name;
2151:	}
2152:	$scope = $this->processVarAnnotation($scope, $vars, $stmt);
2153:	} elseif ($stmt instanceof Static_) {
2154:	$hasYield = false;
2155:	$throwPoints = [];
2156:	$impurePoints = [
2157:	new ImpurePoint(
2158:	$scope,
2159:	$stmt,
2160:	'static',
2161:	'static variable',
2162:	true,
2163:	),
2164:	];
2165:
2166:	$vars = [];
2167:	foreach ($stmt->vars as $var) {
2168:	if (!is_string($var->var->name)) {
2169:	throw new ShouldNotHappenException();
2170:	}
2171:
2172:	if ($var->default !== null) {
2173:	$defaultExprResult = $this->processExprNode($stmt, $var->default, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
2174:	$impurePoints = array_merge($impurePoints, $defaultExprResult->getImpurePoints());
2175:	}
2176:
2177:	$scope = $scope->enterExpressionAssign($var->var);
2178:	$varResult = $this->processExprNode($stmt, $var->var, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
2179:	$impurePoints = array_merge($impurePoints, $varResult->getImpurePoints());
2180:	$scope = $scope->exitExpressionAssign($var->var);
2181:
2182:	$scope = $scope->assignVariable($var->var->name, new MixedType(), new MixedType(), TrinaryLogic::createYes());
2183:	$vars[] = $var->var->name;
2184:	}
2185:
2186:	$scope = $this->processVarAnnotation($scope, $vars, $stmt);
2187:	} elseif ($stmt instanceof Node\Stmt\Const_) {
2188:	$hasYield = false;
2189:	$throwPoints = [];
2190:	$impurePoints = [];
2191:	foreach ($stmt->consts as $const) {
2192:	$this->callNodeCallback($nodeCallback, $const, $scope, $storage);
2193:	$constResult = $this->processExprNode($stmt, $const->value, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
2194:	$impurePoints = array_merge($impurePoints, $constResult->getImpurePoints());
2195:	if ($const->namespacedName !== null) {
2196:	$constantName = new Name\FullyQualified($const->namespacedName->toString());
2197:	} else {
2198:	$constantName = new Name\FullyQualified($const->name->toString());
2199:	}
2200:	$scope = $scope->assignExpression(new ConstFetch($constantName), $scope->getType($const->value), $scope->getNativeType($const->value));
2201:	}
2202:	} elseif ($stmt instanceof Node\Stmt\ClassConst) {
2203:	$hasYield = false;
2204:	$throwPoints = [];
2205:	$impurePoints = [];
2206:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $storage, $nodeCallback);
2207:	foreach ($stmt->consts as $const) {
2208:	$this->callNodeCallback($nodeCallback, $const, $scope, $storage);
2209:	$constResult = $this->processExprNode($stmt, $const->value, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
2210:	$impurePoints = array_merge($impurePoints, $constResult->getImpurePoints());
2211:	if ($scope->getClassReflection() === null) {
2212:	throw new ShouldNotHappenException();
2213:	}
2214:	$scope = $scope->assignExpression(
2215:	new Expr\ClassConstFetch(new Name\FullyQualified($scope->getClassReflection()->getName()), $const->name),
2216:	$scope->getType($const->value),
2217:	$scope->getNativeType($const->value),
2218:	);
2219:	}
2220:	} elseif ($stmt instanceof Node\Stmt\EnumCase) {
2221:	$hasYield = false;
2222:	$throwPoints = [];
2223:	$this->processAttributeGroups($stmt, $stmt->attrGroups, $scope, $storage, $nodeCallback);
2224:	$impurePoints = [];
2225:	if ($stmt->expr !== null) {
2226:	$exprResult = $this->processExprNode($stmt, $stmt->expr, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
2227:	$impurePoints = $exprResult->getImpurePoints();
2228:	}
2229:	} elseif ($stmt instanceof InlineHTML) {
2230:	$hasYield = false;
2231:	$throwPoints = [];
2232:	$impurePoints = [
2233:	new ImpurePoint($scope, $stmt, 'betweenPhpTags', 'output between PHP opening and closing tags', true),
2234:	];
2235:	} elseif ($stmt instanceof Node\Stmt\Block) {
2236:	$result = $this->processStmtNodesInternal($stmt, $stmt->stmts, $scope, $storage, $nodeCallback, $context);
2237:	if ($this->polluteScopeWithBlock) {
2238:	return $result;
2239:	}
2240:
2241:	return new InternalStatementResult(
2242:	$scope->mergeWith($result->getScope()),
2243:	$result->hasYield(),
2244:	$result->isAlwaysTerminating(),
2245:	$result->getExitPoints(),
2246:	$result->getThrowPoints(),
2247:	$result->getImpurePoints(),
2248:	$result->getEndStatements(),
2249:	);
2250:	} elseif ($stmt instanceof Node\Stmt\Nop) {
2251:	$hasYield = false;
2252:	$throwPoints = $overridingThrowPoints ?? [];
2253:	$impurePoints = [];
2254:	} elseif ($stmt instanceof Node\Stmt\GroupUse) {
2255:	$hasYield = false;
2256:	$throwPoints = [];
2257:	foreach ($stmt->uses as $use) {
2258:	$this->callNodeCallback($nodeCallback, $use, $scope, $storage);
2259:	}
2260:	$impurePoints = [];
2261:	} else {
2262:	$hasYield = false;
2263:	$throwPoints = $overridingThrowPoints ?? [];
2264:	$impurePoints = [];
2265:	}
2266:
2267:	return new InternalStatementResult($scope, $hasYield, false, [], $throwPoints, $impurePoints);
2268:	}
2269:
2270:	/**
2271:	* @return array{bool, string\|null}
2272:	*/
2273:	private function getDeprecatedAttribute(Scope $scope, Node\Stmt\Function_\|Node\Stmt\ClassMethod\|Node\PropertyHook $stmt): array
2274:	{
2275:	$initializerExprContext = InitializerExprContext::fromStubParameter(
2276:	$scope->isInClass() ? $scope->getClassReflection()->getName() : null,
2277:	$scope->getFile(),
2278:	$stmt,
2279:	);
2280:	$isDeprecated = false;
2281:	$deprecatedDescription = null;
2282:	$deprecatedDescriptionType = null;
2283:	foreach ($stmt->attrGroups as $attrGroup) {
2284:	foreach ($attrGroup->attrs as $attr) {
2285:	if ($attr->name->toString() !== 'Deprecated') {
2286:	continue;
2287:	}
2288:	$isDeprecated = true;
2289:	$arguments = $attr->args;
2290:	foreach ($arguments as $i => $arg) {
2291:	$argName = $arg->name;
2292:	if ($argName === null) {
2293:	if ($i !== 0) {
2294:	continue;
2295:	}
2296:
2297:	$deprecatedDescriptionType = $this->initializerExprTypeResolver->getType($arg->value, $initializerExprContext);
2298:	break;
2299:	}
2300:
2301:	if ($argName->toString() !== 'message') {
2302:	continue;
2303:	}
2304:
2305:	$deprecatedDescriptionType = $this->initializerExprTypeResolver->getType($arg->value, $initializerExprContext);
2306:	break;
2307:	}
2308:	}
2309:	}
2310:
2311:	if ($deprecatedDescriptionType !== null) {
2312:	$constantStrings = $deprecatedDescriptionType->getConstantStrings();
2313:	if (count($constantStrings) === 1) {
2314:	$deprecatedDescription = $constantStrings[0]->getValue();
2315:	}
2316:	}
2317:
2318:	return [$isDeprecated, $deprecatedDescription];
2319:	}
2320:
2321:	/**
2322:	* @return InternalThrowPoint[]\|null
2323:	*/
2324:	private function getOverridingThrowPoints(Node\Stmt $statement, MutatingScope $scope): ?array
2325:	{
2326:	foreach ($statement->getComments() as $comment) {
2327:	if (!$comment instanceof Doc) {
2328:	continue;
2329:	}
2330:
2331:	$function = $scope->getFunction();
2332:	$resolvedPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
2333:	$scope->getFile(),
2334:	$scope->isInClass() ? $scope->getClassReflection()->getName() : null,
2335:	$scope->isInTrait() ? $scope->getTraitReflection()->getName() : null,
2336:	$function !== null ? $function->getName() : null,
2337:	$comment->getText(),
2338:	);
2339:
2340:	$throwsTag = $resolvedPhpDoc->getThrowsTag();
2341:	if ($throwsTag !== null) {
2342:	$throwsType = $throwsTag->getType();
2343:	if ($throwsType->isVoid()->yes()) {
2344:	return [];
2345:	}
2346:
2347:	return [InternalThrowPoint::createExplicit($scope, $throwsType, $statement, false)];
2348:	}
2349:	}
2350:
2351:	return null;
2352:	}
2353:
2354:	private function getCurrentClassReflection(Node\Stmt\ClassLike $stmt, string $className, Scope $scope): ClassReflection
2355:	{
2356:	if (!$this->reflectionProvider->hasClass($className)) {
2357:	return $this->createAstClassReflection($stmt, $className, $scope);
2358:	}
2359:
2360:	$defaultClassReflection = $this->reflectionProvider->getClass($className);
2361:	if ($defaultClassReflection->getFileName() !== $scope->getFile()) {
2362:	return $this->createAstClassReflection($stmt, $className, $scope);
2363:	}
2364:
2365:	$startLine = $defaultClassReflection->getNativeReflection()->getStartLine();
2366:	if ($startLine !== $stmt->getStartLine()) {
2367:	return $this->createAstClassReflection($stmt, $className, $scope);
2368:	}
2369:
2370:	return $defaultClassReflection;
2371:	}
2372:
2373:	private function createAstClassReflection(Node\Stmt\ClassLike $stmt, string $className, Scope $scope): ClassReflection
2374:	{
2375:	$nodeToReflection = new NodeToReflection();
2376:	$betterReflectionClass = $nodeToReflection->__invoke(
2377:	$this->reflector,
2378:	$stmt,
2379:	new LocatedSource(FileReader::read($scope->getFile()), $className, $scope->getFile()),
2380:	$scope->getNamespace() !== null ? new Node\Stmt\Namespace_(new Name($scope->getNamespace())) : null,
2381:	);
2382:	if (!$betterReflectionClass instanceof \PHPStan\BetterReflection\Reflection\ReflectionClass) {
2383:	throw new ShouldNotHappenException();
2384:	}
2385:
2386:	$enumAdapter = base64_decode('UEhQU3RhblxCZXR0ZXJSZWZsZWN0aW9uXFJlZmxlY3Rpb25cQWRhcHRlclxSZWZsZWN0aW9uRW51bQ==', true);
2387:
2388:	return $this->classReflectionFactory->create(
2389:	$betterReflectionClass->getName(),
2390:	$betterReflectionClass instanceof ReflectionEnum && PHP_VERSION_ID >= 80000 ? new $enumAdapter($betterReflectionClass) : new ReflectionClass($betterReflectionClass),
2391:	null,
2392:	null,
2393:	null,
2394:	sprintf('%s:%d', $scope->getFile(), $stmt->getStartLine()),
2395:	);
2396:	}
2397:
2398:	private function lookForSetAllowedUndefinedExpressions(MutatingScope $scope, Expr $expr): MutatingScope
2399:	{
2400:	return $this->lookForExpressionCallback($scope, $expr, static fn (MutatingScope $scope, Expr $expr): MutatingScope => $scope->setAllowedUndefinedExpression($expr));
2401:	}
2402:
2403:	private function lookForUnsetAllowedUndefinedExpressions(MutatingScope $scope, Expr $expr): MutatingScope
2404:	{
2405:	return $this->lookForExpressionCallback($scope, $expr, static fn (MutatingScope $scope, Expr $expr): MutatingScope => $scope->unsetAllowedUndefinedExpression($expr));
2406:	}
2407:
2408:	/**
2409:	* @param Closure(MutatingScope $scope, Expr $expr): MutatingScope $callback
2410:	*/
2411:	private function lookForExpressionCallback(MutatingScope $scope, Expr $expr, Closure $callback): MutatingScope
2412:	{
2413:	if (!$expr instanceof ArrayDimFetch \|\| $expr->dim !== null) {
2414:	$scope = $callback($scope, $expr);
2415:	}
2416:
2417:	if ($expr instanceof ArrayDimFetch) {
2418:	$scope = $this->lookForExpressionCallback($scope, $expr->var, $callback);
2419:	} elseif ($expr instanceof PropertyFetch \|\| $expr instanceof Expr\NullsafePropertyFetch) {
2420:	$scope = $this->lookForExpressionCallback($scope, $expr->var, $callback);
2421:	} elseif ($expr instanceof StaticPropertyFetch && $expr->class instanceof Expr) {
2422:	$scope = $this->lookForExpressionCallback($scope, $expr->class, $callback);
2423:	} elseif ($expr instanceof List_) {
2424:	foreach ($expr->items as $item) {
2425:	if ($item === null) {
2426:	continue;
2427:	}
2428:
2429:	$scope = $this->lookForExpressionCallback($scope, $item->value, $callback);
2430:	}
2431:	}
2432:
2433:	return $scope;
2434:	}
2435:
2436:	private function ensureShallowNonNullability(MutatingScope $scope, Scope $originalScope, Expr $exprToSpecify): EnsuredNonNullabilityResult
2437:	{
2438:	$exprType = $scope->getType($exprToSpecify);
2439:	$isNull = $exprType->isNull();
2440:	if ($isNull->yes()) {
2441:	return new EnsuredNonNullabilityResult($scope, []);
2442:	}
2443:
2444:	// keep certainty
2445:	$certainty = TrinaryLogic::createYes();
2446:	$hasExpressionType = $originalScope->hasExpressionType($exprToSpecify);
2447:	if (!$hasExpressionType->no()) {
2448:	$certainty = $hasExpressionType;
2449:	}
2450:
2451:	$exprTypeWithoutNull = TypeCombinator::removeNull($exprType);
2452:	if ($exprType->equals($exprTypeWithoutNull)) {
2453:	$originalExprType = $originalScope->getType($exprToSpecify);
2454:	if (!$originalExprType->equals($exprTypeWithoutNull)) {
2455:	$originalNativeType = $originalScope->getNativeType($exprToSpecify);
2456:
2457:	return new EnsuredNonNullabilityResult($scope, [
2458:	new EnsuredNonNullabilityResultExpression($exprToSpecify, $originalExprType, $originalNativeType, $certainty),
2459:	]);
2460:	}
2461:	return new EnsuredNonNullabilityResult($scope, []);
2462:	}
2463:
2464:	$nativeType = $scope->getNativeType($exprToSpecify);
2465:	$scope = $scope->specifyExpressionType(
2466:	$exprToSpecify,
2467:	$exprTypeWithoutNull,
2468:	TypeCombinator::removeNull($nativeType),
2469:	TrinaryLogic::createYes(),
2470:	);
2471:
2472:	return new EnsuredNonNullabilityResult(
2473:	$scope,
2474:	[
2475:	new EnsuredNonNullabilityResultExpression($exprToSpecify, $exprType, $nativeType, $certainty),
2476:	],
2477:	);
2478:	}
2479:
2480:	private function ensureNonNullability(MutatingScope $scope, Expr $expr): EnsuredNonNullabilityResult
2481:	{
2482:	$specifiedExpressions = [];
2483:	$originalScope = $scope;
2484:	$scope = $this->lookForExpressionCallback($scope, $expr, function ($scope, $expr) use (&$specifiedExpressions, $originalScope) {
2485:	$result = $this->ensureShallowNonNullability($scope, $originalScope, $expr);
2486:	foreach ($result->getSpecifiedExpressions() as $specifiedExpression) {
2487:	$specifiedExpressions[] = $specifiedExpression;
2488:	}
2489:	return $result->getScope();
2490:	});
2491:
2492:	return new EnsuredNonNullabilityResult($scope, $specifiedExpressions);
2493:	}
2494:
2495:	/**
2496:	* @param EnsuredNonNullabilityResultExpression[] $specifiedExpressions
2497:	*/
2498:	private function revertNonNullability(MutatingScope $scope, array $specifiedExpressions): MutatingScope
2499:	{
2500:	foreach ($specifiedExpressions as $specifiedExpressionResult) {
2501:	$scope = $scope->specifyExpressionType(
2502:	$specifiedExpressionResult->getExpression(),
2503:	$specifiedExpressionResult->getOriginalType(),
2504:	$specifiedExpressionResult->getOriginalNativeType(),
2505:	$specifiedExpressionResult->getCertainty(),
2506:	);
2507:	}
2508:
2509:	return $scope;
2510:	}
2511:
2512:	private function findEarlyTerminatingExpr(Expr $expr, Scope $scope): ?Expr
2513:	{
2514:	if (($expr instanceof MethodCall \|\| $expr instanceof Expr\StaticCall) && $expr->name instanceof Node\Identifier) {
2515:	if (array_key_exists($expr->name->toLowerString(), $this->earlyTerminatingMethodNames)) {
2516:	if ($expr instanceof MethodCall) {
2517:	$methodCalledOnType = $scope->getType($expr->var);
2518:	} else {
2519:	if ($expr->class instanceof Name) {
2520:	$methodCalledOnType = $scope->resolveTypeByName($expr->class);
2521:	} else {
2522:	$methodCalledOnType = $scope->getType($expr->class);
2523:	}
2524:	}
2525:
2526:	foreach ($methodCalledOnType->getObjectClassNames() as $referencedClass) {
2527:	if (!$this->reflectionProvider->hasClass($referencedClass)) {
2528:	continue;
2529:	}
2530:
2531:	$classReflection = $this->reflectionProvider->getClass($referencedClass);
2532:	foreach (array_merge([$referencedClass], $classReflection->getParentClassesNames(), $classReflection->getNativeReflection()->getInterfaceNames()) as $className) {
2533:	if (!isset($this->earlyTerminatingMethodCalls[$className])) {
2534:	continue;
2535:	}
2536:
2537:	if (in_array((string) $expr->name, $this->earlyTerminatingMethodCalls[$className], true)) {
2538:	return $expr;
2539:	}
2540:	}
2541:	}
2542:	}
2543:	}
2544:
2545:	if ($expr instanceof FuncCall && $expr->name instanceof Name) {
2546:	if (in_array((string) $expr->name, $this->earlyTerminatingFunctionCalls, true)) {
2547:	return $expr;
2548:	}
2549:	}
2550:
2551:	if ($expr instanceof Expr\Exit_ \|\| $expr instanceof Expr\Throw_) {
2552:	return $expr;
2553:	}
2554:
2555:	$exprType = $scope->getType($expr);
2556:	if ($exprType instanceof NeverType && $exprType->isExplicit()) {
2557:	return $expr;
2558:	}
2559:
2560:	return null;
2561:	}
2562:
2563:	/**
2564:	* @param callable(Node $node, Scope $scope): void $nodeCallback
2565:	*/
2566:	public function processExprNode(
2567:	Node\Stmt $stmt,
2568:	Expr $expr,
2569:	MutatingScope $scope,
2570:	ExpressionResultStorage $storage,
2571:	callable $nodeCallback,
2572:	ExpressionContext $context,
2573:	): ExpressionResult
2574:	{
2575:	$this->storeBeforeScope($storage, $expr, $scope);
2576:	if ($expr instanceof Expr\CallLike && $expr->isFirstClassCallable()) {
2577:	if ($expr instanceof FuncCall) {
2578:	$newExpr = new FunctionCallableNode($expr->name, $expr);
2579:	} elseif ($expr instanceof MethodCall) {
2580:	$newExpr = new MethodCallableNode($expr->var, $expr->name, $expr);
2581:	} elseif ($expr instanceof StaticCall) {
2582:	$newExpr = new StaticMethodCallableNode($expr->class, $expr->name, $expr);
2583:	} elseif ($expr instanceof New_ && !$expr->class instanceof Class_) {
2584:	$newExpr = new InstantiationCallableNode($expr->class, $expr);
2585:	} else {
2586:	throw new ShouldNotHappenException();
2587:	}
2588:
2589:	return $this->processExprNode($stmt, $newExpr, $scope, $storage, $nodeCallback, $context);
2590:	}
2591:
2592:	$this->callNodeCallbackWithExpression($nodeCallback, $expr, $scope, $storage, $context);
2593:
2594:	if ($expr instanceof Variable) {
2595:	$hasYield = false;
2596:	$throwPoints = [];
2597:	$impurePoints = [];
2598:	$isAlwaysTerminating = false;
2599:	if ($expr->name instanceof Expr) {
2600:	$result = $this->processExprNode($stmt, $expr->name, $scope, $storage, $nodeCallback, $context->enterDeep());
2601:	$hasYield = $result->hasYield();
2602:	$throwPoints = $result->getThrowPoints();
2603:	$impurePoints = $result->getImpurePoints();
2604:	$isAlwaysTerminating = $result->isAlwaysTerminating();
2605:	$scope = $result->getScope();
2606:	} elseif (in_array($expr->name, Scope::SUPERGLOBAL_VARIABLES, true)) {
2607:	$impurePoints[] = new ImpurePoint($scope, $expr, 'superglobal', 'access to superglobal variable', true);
2608:	}
2609:	} elseif ($expr instanceof Assign \|\| $expr instanceof AssignRef) {
2610:	$result = $this->processAssignVar(
2611:	$scope,
2612:	$storage,
2613:	$stmt,
2614:	$expr->var,
2615:	$expr->expr,
2616:	$nodeCallback,
2617:	$context,
2618:	function (MutatingScope $scope) use ($stmt, $expr, $nodeCallback, $context, $storage): ExpressionResult {
2619:	$impurePoints = [];
2620:	if ($expr instanceof AssignRef) {
2621:	$referencedExpr = $expr->expr;
2622:	while ($referencedExpr instanceof ArrayDimFetch) {
2623:	$referencedExpr = $referencedExpr->var;
2624:	}
2625:
2626:	if ($referencedExpr instanceof PropertyFetch \|\| $referencedExpr instanceof StaticPropertyFetch) {
2627:	$impurePoints[] = new ImpurePoint(
2628:	$scope,
2629:	$expr,
2630:	'propertyAssignByRef',
2631:	'property assignment by reference',
2632:	false,
2633:	);
2634:	}
2635:
2636:	$scope = $scope->enterExpressionAssign($expr->expr);
2637:	}
2638:
2639:	if ($expr->var instanceof Variable && is_string($expr->var->name)) {
2640:	$context = $context->enterRightSideAssign(
2641:	$expr->var->name,
2642:	$expr->expr,
2643:	);
2644:	}
2645:
2646:	$this->storeBeforeScope($storage, $expr, $scope);
2647:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
2648:	$hasYield = $result->hasYield();
2649:	$throwPoints = $result->getThrowPoints();
2650:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
2651:	$isAlwaysTerminating = $result->isAlwaysTerminating();
2652:	$scope = $result->getScope();
2653:
2654:	if ($expr instanceof AssignRef) {
2655:	$scope = $scope->exitExpressionAssign($expr->expr);
2656:	}
2657:
2658:	return new ExpressionResult($scope, $hasYield, $isAlwaysTerminating, $throwPoints, $impurePoints);
2659:	},
2660:	true,
2661:	);
2662:	$scope = $result->getScope();
2663:	$hasYield = $result->hasYield();
2664:	$throwPoints = $result->getThrowPoints();
2665:	$impurePoints = $result->getImpurePoints();
2666:	$isAlwaysTerminating = $result->isAlwaysTerminating();
2667:	$vars = $this->getAssignedVariables($expr->var);
2668:	if (count($vars) > 0) {
2669:	$varChangedScope = false;
2670:	$scope = $this->processVarAnnotation($scope, $vars, $stmt, $varChangedScope);
2671:	if (!$varChangedScope) {
2672:	$scope = $this->processStmtVarAnnotation($scope, $storage, $stmt, null, $nodeCallback);
2673:	}
2674:	}
2675:
2676:	return new ExpressionResult(
2677:	$scope,
2678:	$hasYield,
2679:	$isAlwaysTerminating,
2680:	$throwPoints,
2681:	$impurePoints,
2682:	static fn (): MutatingScope => $scope->filterByTruthyValue($expr),
2683:	static fn (): MutatingScope => $scope->filterByFalseyValue($expr),
2684:	);
2685:	} elseif ($expr instanceof Expr\AssignOp) {
2686:	$result = $this->processAssignVar(
2687:	$scope,
2688:	$storage,
2689:	$stmt,
2690:	$expr->var,
2691:	$expr,
2692:	$nodeCallback,
2693:	$context,
2694:	function (MutatingScope $scope) use ($stmt, $expr, $nodeCallback, $context, $storage): ExpressionResult {
2695:	$originalScope = $scope;
2696:	if ($expr instanceof Expr\AssignOp\Coalesce) {
2697:	$scope = $scope->filterByFalseyValue(
2698:	new BinaryOp\NotIdentical($expr->var, new ConstFetch(new Name('null'))),
2699:	);
2700:	}
2701:
2702:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
2703:	if ($expr instanceof Expr\AssignOp\Coalesce) {
2704:	$this->storeBeforeScope($storage, $expr, $originalScope);
2705:	return new ExpressionResult(
2706:	$result->getScope()->mergeWith($originalScope),
2707:	$result->hasYield(),
2708:	$result->isAlwaysTerminating(),
2709:	$result->getThrowPoints(),
2710:	$result->getImpurePoints(),
2711:	);
2712:	}
2713:
2714:	return $result;
2715:	},
2716:	$expr instanceof Expr\AssignOp\Coalesce,
2717:	);
2718:	if (!$expr instanceof Expr\AssignOp\Coalesce) {
2719:	$this->storeBeforeScope($storage, $expr, $scope);
2720:	}
2721:	$scope = $result->getScope();
2722:	$hasYield = $result->hasYield();
2723:	$throwPoints = $result->getThrowPoints();
2724:	$impurePoints = $result->getImpurePoints();
2725:	$isAlwaysTerminating = $result->isAlwaysTerminating();
2726:	if (
2727:	($expr instanceof Expr\AssignOp\Div \|\| $expr instanceof Expr\AssignOp\Mod) &&
2728:	!$scope->getType($expr->expr)->toNumber()->isSuperTypeOf(new ConstantIntegerType(0))->no()
2729:	) {
2730:	$throwPoints[] = InternalThrowPoint::createExplicit($scope, new ObjectType(DivisionByZeroError::class), $expr, false);
2731:	}
2732:
2733:	return new ExpressionResult(
2734:	$scope,
2735:	$hasYield,
2736:	$isAlwaysTerminating,
2737:	$throwPoints,
2738:	$impurePoints,
2739:	static fn (): MutatingScope => $scope->filterByTruthyValue($expr),
2740:	static fn (): MutatingScope => $scope->filterByFalseyValue($expr),
2741:	);
2742:	} elseif ($expr instanceof FuncCall) {
2743:	$parametersAcceptor = null;
2744:	$functionReflection = null;
2745:	$throwPoints = [];
2746:	$impurePoints = [];
2747:	$isAlwaysTerminating = false;
2748:	if ($expr->name instanceof Expr) {
2749:	$nameType = $scope->getType($expr->name);
2750:	if (!$nameType->isCallable()->no()) {
2751:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
2752:	$scope,
2753:	$expr->getArgs(),
2754:	$nameType->getCallableParametersAcceptors($scope),
2755:	null,
2756:	);
2757:	}
2758:
2759:	$nameResult = $this->processExprNode($stmt, $expr->name, $scope, $storage, $nodeCallback, $context->enterDeep());
2760:	$scope = $nameResult->getScope();
2761:	$throwPoints = $nameResult->getThrowPoints();
2762:	$impurePoints = $nameResult->getImpurePoints();
2763:	$isAlwaysTerminating = $nameResult->isAlwaysTerminating();
2764:	if ( // phpcs:ignore
2765:	$nameType->isObject()->yes()
2766:	&& $nameType->isCallable()->yes()
2767:	&& (new ObjectType(Closure::class))->isSuperTypeOf($nameType)->no()
2768:	) {
2769:	// processed later
2770:	} elseif ($parametersAcceptor instanceof CallableParametersAcceptor) {
2771:	$callableThrowPoints = array_map(static fn (SimpleThrowPoint $throwPoint) => $throwPoint->isExplicit() ? InternalThrowPoint::createExplicit($scope, $throwPoint->getType(), $expr, $throwPoint->canContainAnyThrowable()) : InternalThrowPoint::createImplicit($scope, $expr), $parametersAcceptor->getThrowPoints());
2772:	if (!$this->implicitThrows) {
2773:	$callableThrowPoints = array_values(array_filter($callableThrowPoints, static fn (InternalThrowPoint $throwPoint) => $throwPoint->isExplicit()));
2774:	}
2775:	$throwPoints = array_merge($throwPoints, $callableThrowPoints);
2776:	$impurePoints = array_merge($impurePoints, array_map(static fn (SimpleImpurePoint $impurePoint) => new ImpurePoint($scope, $expr, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain()), $parametersAcceptor->getImpurePoints()));
2777:
2778:	$scope = $this->processImmediatelyCalledCallable($scope, $parametersAcceptor->getInvalidateExpressions(), $parametersAcceptor->getUsedVariables());
2779:	}
2780:	} elseif ($this->reflectionProvider->hasFunction($expr->name, $scope)) {
2781:	$functionReflection = $this->reflectionProvider->getFunction($expr->name, $scope);
2782:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
2783:	$scope,
2784:	$expr->getArgs(),
2785:	$functionReflection->getVariants(),
2786:	$functionReflection->getNamedArgumentsVariants(),
2787:	);
2788:	$impurePoint = SimpleImpurePoint::createFromVariant($functionReflection, $parametersAcceptor, $scope, $expr->getArgs());
2789:	if ($impurePoint !== null) {
2790:	$impurePoints[] = new ImpurePoint($scope, $expr, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain());
2791:	}
2792:	} else {
2793:	$impurePoints[] = new ImpurePoint(
2794:	$scope,
2795:	$expr,
2796:	'functionCall',
2797:	'call to unknown function',
2798:	false,
2799:	);
2800:	}
2801:
2802:	$normalizedExpr = $expr;
2803:	if ($parametersAcceptor !== null) {
2804:	$normalizedExpr = ArgumentsNormalizer::reorderFuncArguments($parametersAcceptor, $expr) ?? $expr;
2805:	$returnType = $parametersAcceptor->getReturnType();
2806:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $returnType instanceof NeverType && $returnType->isExplicit();
2807:	}
2808:
2809:	if (
2810:	$normalizedExpr->name instanceof Name
2811:	&& $functionReflection !== null
2812:	&& $functionReflection->getName() === 'clone'
2813:	&& count($normalizedExpr->getArgs()) === 2
2814:	) {
2815:	$clonePropertiesArgType = $scope->getType($normalizedExpr->getArgs()[1]->value);
2816:	$cloneExpr = new TypeExpr($scope->getType(new Expr\Clone_($normalizedExpr->getArgs()[0]->value)));
2817:	$clonePropertiesArgTypeConstantArrays = $clonePropertiesArgType->getConstantArrays();
2818:	foreach ($clonePropertiesArgTypeConstantArrays as $clonePropertiesArgTypeConstantArray) {
2819:	foreach ($clonePropertiesArgTypeConstantArray->getKeyTypes() as $i => $clonePropertyKeyType) {
2820:	$clonePropertyKeyTypeScalars = $clonePropertyKeyType->getConstantScalarValues();
2821:	$propertyAttributes = $normalizedExpr->getAttributes();
2822:	$propertyAttributes['inCloneWith'] = true;
2823:	if (count($clonePropertyKeyTypeScalars) === 1) {
2824:	$this->processVirtualAssign(
2825:	$scope,
2826:	$storage,
2827:	$stmt,
2828:	new PropertyFetch($cloneExpr, (string) $clonePropertyKeyTypeScalars[0], $propertyAttributes),
2829:	new TypeExpr($clonePropertiesArgTypeConstantArray->getValueTypes()[$i]),
2830:	$nodeCallback,
2831:	);
2832:	continue;
2833:	}
2834:
2835:	$this->processVirtualAssign(
2836:	$scope,
2837:	$storage,
2838:	$stmt,
2839:	new PropertyFetch($cloneExpr, new TypeExpr($clonePropertyKeyType), $propertyAttributes),
2840:	new TypeExpr($clonePropertiesArgTypeConstantArray->getValueTypes()[$i]),
2841:	$nodeCallback,
2842:	);
2843:	}
2844:	}
2845:	}
2846:
2847:	$result = $this->processArgs($stmt, $functionReflection, null, $parametersAcceptor, $normalizedExpr, $scope, $storage, $nodeCallback, $context);
2848:	$scope = $result->getScope();
2849:	$hasYield = $result->hasYield();
2850:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
2851:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
2852:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
2853:
2854:	if ($normalizedExpr->name instanceof Expr) {
2855:	$nameType = $scope->getType($normalizedExpr->name);
2856:	if (
2857:	$nameType->isObject()->yes()
2858:	&& $nameType->isCallable()->yes()
2859:	&& (new ObjectType(Closure::class))->isSuperTypeOf($nameType)->no()
2860:	) {
2861:	$invokeResult = $this->processExprNode(
2862:	$stmt,
2863:	new MethodCall($normalizedExpr->name, '__invoke', $normalizedExpr->getArgs(), $normalizedExpr->getAttributes()),
2864:	$scope,
2865:	$storage,
2866:	new NoopNodeCallback(),
2867:	$context->enterDeep(),
2868:	);
2869:	$throwPoints = array_merge($throwPoints, $invokeResult->getThrowPoints());
2870:	$impurePoints = array_merge($impurePoints, $invokeResult->getImpurePoints());
2871:	$isAlwaysTerminating = $invokeResult->isAlwaysTerminating();
2872:	}
2873:	}
2874:
2875:	if ($functionReflection !== null) {
2876:	$functionThrowPoint = $this->getFunctionThrowPoint($functionReflection, $parametersAcceptor, $normalizedExpr, $scope);
2877:	if ($functionThrowPoint !== null) {
2878:	$throwPoints[] = $functionThrowPoint;
2879:	}
2880:	} else {
2881:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $expr);
2882:	}
2883:
2884:	if (
2885:	$parametersAcceptor instanceof ClosureType && count($parametersAcceptor->getImpurePoints()) > 0
2886:	&& $scope->isInClass()
2887:	) {
2888:	$scope = $scope->invalidateExpression(new Variable('this'), true);
2889:	}
2890:
2891:	if (
2892:	$functionReflection !== null
2893:	&& in_array($functionReflection->getName(), ['json_encode', 'json_decode'], true)
2894:	) {
2895:	$scope = $scope->invalidateExpression(new FuncCall(new Name('json_last_error'), []))
2896:	->invalidateExpression(new FuncCall(new Name\FullyQualified('json_last_error'), []))
2897:	->invalidateExpression(new FuncCall(new Name('json_last_error_msg'), []))
2898:	->invalidateExpression(new FuncCall(new Name\FullyQualified('json_last_error_msg'), []));
2899:	}
2900:
2901:	if (
2902:	$functionReflection !== null
2903:	&& $functionReflection->getName() === 'file_put_contents'
2904:	&& count($normalizedExpr->getArgs()) > 0
2905:	) {
2906:	$scope = $scope->invalidateExpression(new FuncCall(new Name('file_get_contents'), [$normalizedExpr->getArgs()[0]]))
2907:	->invalidateExpression(new FuncCall(new Name\FullyQualified('file_get_contents'), [$normalizedExpr->getArgs()[0]]));
2908:	}
2909:
2910:	if (
2911:	$functionReflection !== null
2912:	&& in_array($functionReflection->getName(), ['array_pop', 'array_shift'], true)
2913:	&& count($normalizedExpr->getArgs()) >= 1
2914:	) {
2915:	$arrayArg = $normalizedExpr->getArgs()[0]->value;
2916:
2917:	$arrayArgType = $scope->getType($arrayArg);
2918:	$arrayArgNativeType = $scope->getNativeType($arrayArg);
2919:	$isArrayPop = $functionReflection->getName() === 'array_pop';
2920:
2921:	$scope = $this->processVirtualAssign(
2922:	$scope,
2923:	$storage,
2924:	$stmt,
2925:	$arrayArg,
2926:	new NativeTypeExpr(
2927:	$isArrayPop ? $arrayArgType->popArray() : $arrayArgType->shiftArray(),
2928:	$isArrayPop ? $arrayArgNativeType->popArray() : $arrayArgNativeType->shiftArray(),
2929:	),
2930:	$nodeCallback,
2931:	)->getScope();
2932:	}
2933:
2934:	if (
2935:	$functionReflection !== null
2936:	&& in_array($functionReflection->getName(), ['array_push', 'array_unshift'], true)
2937:	&& count($normalizedExpr->getArgs()) >= 2
2938:	) {
2939:	$arrayArg = $normalizedExpr->getArgs()[0]->value;
2940:
2941:	$scope = $this->processVirtualAssign(
2942:	$scope,
2943:	$storage,
2944:	$stmt,
2945:	$arrayArg,
2946:	new NativeTypeExpr(
2947:	$this->getArrayFunctionAppendingType($functionReflection, $scope, $normalizedExpr),
2948:	$this->getArrayFunctionAppendingType($functionReflection, $scope->doNotTreatPhpDocTypesAsCertain(), $normalizedExpr),
2949:	),
2950:	$nodeCallback,
2951:	)->getScope();
2952:	}
2953:
2954:	if (
2955:	$functionReflection !== null
2956:	&& in_array($functionReflection->getName(), ['fopen', 'file_get_contents'], true)
2957:	) {
2958:	$scope = $scope->assignVariable('http_response_header', new IntersectionType([new ArrayType(IntegerRangeType::createAllGreaterThanOrEqualTo(0), new StringType()), new AccessoryArrayListType()]), new ArrayType(new IntegerType(), new StringType()), TrinaryLogic::createYes());
2959:	}
2960:
2961:	if (
2962:	$functionReflection !== null
2963:	&& $functionReflection->getName() === 'shuffle'
2964:	) {
2965:	$arrayArg = $normalizedExpr->getArgs()[0]->value;
2966:
2967:	$scope = $this->processVirtualAssign(
2968:	$scope,
2969:	$storage,
2970:	$stmt,
2971:	$arrayArg,
2972:	new NativeTypeExpr($scope->getType($arrayArg)->shuffleArray(), $scope->getNativeType($arrayArg)->shuffleArray()),
2973:	$nodeCallback,
2974:	)->getScope();
2975:	}
2976:
2977:	if (
2978:	$functionReflection !== null
2979:	&& $functionReflection->getName() === 'array_splice'
2980:	&& count($normalizedExpr->getArgs()) >= 2
2981:	) {
2982:	$arrayArg = $normalizedExpr->getArgs()[0]->value;
2983:	$arrayArgType = $scope->getType($arrayArg);
2984:	$arrayArgNativeType = $scope->getNativeType($arrayArg);
2985:
2986:	$offsetType = $scope->getType($normalizedExpr->getArgs()[1]->value);
2987:	$lengthType = isset($normalizedExpr->getArgs()[2]) ? $scope->getType($normalizedExpr->getArgs()[2]->value) : new NullType();
2988:	$replacementType = isset($normalizedExpr->getArgs()[3]) ? $scope->getType($normalizedExpr->getArgs()[3]->value) : new ConstantArrayType([], []);
2989:
2990:	$scope = $this->processVirtualAssign(
2991:	$scope,
2992:	$storage,
2993:	$stmt,
2994:	$arrayArg,
2995:	new NativeTypeExpr(
2996:	$arrayArgType->spliceArray($offsetType, $lengthType, $replacementType),
2997:	$arrayArgNativeType->spliceArray($offsetType, $lengthType, $replacementType),
2998:	),
2999:	$nodeCallback,
3000:	)->getScope();
3001:	}
3002:
3003:	if (
3004:	$functionReflection !== null
3005:	&& in_array($functionReflection->getName(), ['sort', 'rsort', 'usort'], true)
3006:	&& count($normalizedExpr->getArgs()) >= 1
3007:	) {
3008:	$arrayArg = $normalizedExpr->getArgs()[0]->value;
3009:
3010:	$scope = $this->processVirtualAssign(
3011:	$scope,
3012:	$storage,
3013:	$stmt,
3014:	$arrayArg,
3015:	new NativeTypeExpr($this->getArraySortPreserveListFunctionType($scope->getType($arrayArg)), $this->getArraySortPreserveListFunctionType($scope->getNativeType($arrayArg))),
3016:	$nodeCallback,
3017:	)->getScope();
3018:	}
3019:
3020:	if (
3021:	$functionReflection !== null
3022:	&& in_array($functionReflection->getName(), ['natcasesort', 'natsort', 'arsort', 'asort', 'ksort', 'krsort', 'uasort', 'uksort'], true)
3023:	&& count($normalizedExpr->getArgs()) >= 1
3024:	) {
3025:	$arrayArg = $normalizedExpr->getArgs()[0]->value;
3026:
3027:	$scope = $this->processVirtualAssign(
3028:	$scope,
3029:	$storage,
3030:	$stmt,
3031:	$arrayArg,
3032:	new NativeTypeExpr($this->getArraySortDoNotPreserveListFunctionType($scope->getType($arrayArg)), $this->getArraySortDoNotPreserveListFunctionType($scope->getNativeType($arrayArg))),
3033:	$nodeCallback,
3034:	)->getScope();
3035:	}
3036:
3037:	if (
3038:	$functionReflection !== null
3039:	&& $functionReflection->getName() === 'extract'
3040:	) {
3041:	$extractedArg = $normalizedExpr->getArgs()[0]->value;
3042:	$extractedType = $scope->getType($extractedArg);
3043:	$constantArrays = $extractedType->getConstantArrays();
3044:	if (count($constantArrays) > 0) {
3045:	$properties = [];
3046:	$optionalProperties = [];
3047:	$refCount = [];
3048:	foreach ($constantArrays as $constantArray) {
3049:	foreach ($constantArray->getKeyTypes() as $i => $keyType) {
3050:	if ($keyType->isString()->no()) {
3051:	// integers as variable names not allowed
3052:	continue;
3053:	}
3054:	$key = (string) $keyType->getValue();
3055:	$valueType = $constantArray->getValueTypes()[$i];
3056:	$optional = $constantArray->isOptionalKey($i);
3057:	if ($optional) {
3058:	$optionalProperties[] = $key;
3059:	}
3060:	if (isset($properties[$key])) {
3061:	$properties[$key] = TypeCombinator::union($properties[$key], $valueType);
3062:	$refCount[$key]++;
3063:	} else {
3064:	$properties[$key] = $valueType;
3065:	$refCount[$key] = 1;
3066:	}
3067:	}
3068:	}
3069:	foreach ($properties as $name => $type) {
3070:	$optional = in_array($name, $optionalProperties, true) \|\| $refCount[$name] < count($constantArrays);
3071:	$scope = $scope->assignVariable($name, $type, $type, $optional ? TrinaryLogic::createMaybe() : TrinaryLogic::createYes());
3072:	}
3073:	} else {
3074:	$scope = $scope->afterExtractCall();
3075:	}
3076:	}
3077:
3078:	if (
3079:	$functionReflection !== null
3080:	&& in_array($functionReflection->getName(), ['clearstatcache', 'unlink'], true)
3081:	) {
3082:	$scope = $scope->afterClearstatcacheCall();
3083:	}
3084:
3085:	if (
3086:	$functionReflection !== null
3087:	&& str_starts_with($functionReflection->getName(), 'openssl')
3088:	) {
3089:	$scope = $scope->afterOpenSslCall($functionReflection->getName());
3090:	}
3091:
3092:	} elseif ($expr instanceof MethodCall) {
3093:	$originalScope = $scope;
3094:	if (
3095:	($expr->var instanceof Expr\Closure \|\| $expr->var instanceof Expr\ArrowFunction)
3096:	&& $expr->name instanceof Node\Identifier
3097:	&& strtolower($expr->name->name) === 'call'
3098:	&& isset($expr->getArgs()[0])
3099:	) {
3100:	$closureCallScope = $scope->enterClosureCall(
3101:	$scope->getType($expr->getArgs()[0]->value),
3102:	$scope->getNativeType($expr->getArgs()[0]->value),
3103:	);
3104:	}
3105:
3106:	$result = $this->processExprNode($stmt, $expr->var, $closureCallScope ?? $scope, $storage, $nodeCallback, $context->enterDeep());
3107:	$hasYield = $result->hasYield();
3108:	$throwPoints = $result->getThrowPoints();
3109:	$impurePoints = $result->getImpurePoints();
3110:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3111:	$scope = $result->getScope();
3112:	if (isset($closureCallScope)) {
3113:	$scope = $scope->restoreOriginalScopeAfterClosureBind($originalScope);
3114:	}
3115:	$parametersAcceptor = null;
3116:	$methodReflection = null;
3117:	$calledOnType = $scope->getType($expr->var);
3118:	if ($expr->name instanceof Expr) {
3119:	$methodNameResult = $this->processExprNode($stmt, $expr->name, $scope, $storage, $nodeCallback, $context->enterDeep());
3120:	$throwPoints = array_merge($throwPoints, $methodNameResult->getThrowPoints());
3121:	$scope = $methodNameResult->getScope();
3122:	} else {
3123:	$methodName = $expr->name->name;
3124:	$methodReflection = $scope->getMethodReflection($calledOnType, $methodName);
3125:	if ($methodReflection !== null) {
3126:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
3127:	$scope,
3128:	$expr->getArgs(),
3129:	$methodReflection->getVariants(),
3130:	$methodReflection->getNamedArgumentsVariants(),
3131:	);
3132:
3133:	$methodThrowPoint = $this->getMethodThrowPoint($methodReflection, $parametersAcceptor, $expr, $scope);
3134:	if ($methodThrowPoint !== null) {
3135:	$throwPoints[] = $methodThrowPoint;
3136:	}
3137:	}
3138:	}
3139:
3140:	if ($methodReflection !== null) {
3141:	$impurePoint = SimpleImpurePoint::createFromVariant($methodReflection, $parametersAcceptor, $scope, $expr->getArgs());
3142:	if ($impurePoint !== null) {
3143:	$impurePoints[] = new ImpurePoint($scope, $expr, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain());
3144:	}
3145:	} else {
3146:	$impurePoints[] = new ImpurePoint(
3147:	$scope,
3148:	$expr,
3149:	'methodCall',
3150:	'call to unknown method',
3151:	false,
3152:	);
3153:	}
3154:
3155:	$normalizedExpr = $expr;
3156:	if ($parametersAcceptor !== null) {
3157:	$normalizedExpr = ArgumentsNormalizer::reorderMethodArguments($parametersAcceptor, $expr) ?? $expr;
3158:	$returnType = $parametersAcceptor->getReturnType();
3159:	$isAlwaysTerminating = $returnType instanceof NeverType && $returnType->isExplicit();
3160:	}
3161:
3162:	$result = $this->processArgs(
3163:	$stmt,
3164:	$methodReflection,
3165:	$methodReflection !== null ? $scope->getNakedMethod($calledOnType, $methodReflection->getName()) : null,
3166:	$parametersAcceptor,
3167:	$normalizedExpr,
3168:	$scope,
3169:	$storage,
3170:	$nodeCallback,
3171:	$context,
3172:	);
3173:	$scope = $result->getScope();
3174:
3175:	if ($methodReflection !== null) {
3176:	if ($methodReflection->getName() === '__construct' \|\| $methodReflection->hasSideEffects()->yes()) {
3177:	$this->callNodeCallback($nodeCallback, new InvalidateExprNode($normalizedExpr->var), $scope, $storage);
3178:	$scope = $scope->invalidateExpression($normalizedExpr->var, true);
3179:	}
3180:	if ($parametersAcceptor !== null && !$methodReflection->isStatic()) {
3181:	$selfOutType = $methodReflection->getSelfOutType();
3182:	if ($selfOutType !== null) {
3183:	$scope = $scope->assignExpression(
3184:	$normalizedExpr->var,
3185:	TemplateTypeHelper::resolveTemplateTypes(
3186:	$selfOutType,
3187:	$parametersAcceptor->getResolvedTemplateTypeMap(),
3188:	$parametersAcceptor instanceof ExtendedParametersAcceptor ? $parametersAcceptor->getCallSiteVarianceMap() : TemplateTypeVarianceMap::createEmpty(),
3189:	TemplateTypeVariance::createCovariant(),
3190:	),
3191:	$scope->getNativeType($normalizedExpr->var),
3192:	);
3193:	}
3194:	}
3195:
3196:	if (
3197:	$scope->isInClass()
3198:	&& $scope->getClassReflection()->getName() === $methodReflection->getDeclaringClass()->getName()
3199:	&& ($scope->getFunctionName() !== null && strtolower($scope->getFunctionName()) === '__construct')
3200:	/*&& (
3201:	// should not be allowed but in practice has to be
3202:	$scope->getClassReflection()->isFinal()
3203:	\|\| $methodReflection->isFinal()->yes()
3204:	\|\| $methodReflection->isPrivate()
3205:	)*/
3206:	&& TypeUtils::findThisType($calledOnType) !== null
3207:	) {
3208:	$calledMethodScope = $this->processCalledMethod($methodReflection);
3209:	if ($calledMethodScope !== null) {
3210:	$scope = $scope->mergeInitializedProperties($calledMethodScope);
3211:	}
3212:	}
3213:	} else {
3214:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $expr);
3215:	}
3216:	$hasYield = $hasYield \|\| $result->hasYield();
3217:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3218:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3219:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3220:	} elseif ($expr instanceof Expr\NullsafeMethodCall) {
3221:	$nonNullabilityResult = $this->ensureShallowNonNullability($scope, $scope, $expr->var);
3222:	$attributes = array_merge($expr->getAttributes(), ['virtualNullsafeMethodCall' => true]);
3223:	unset($attributes[ExprPrinter::ATTRIBUTE_CACHE_KEY]);
3224:	$exprResult = $this->processExprNode(
3225:	$stmt,
3226:	new MethodCall(
3227:	$expr->var,
3228:	$expr->name,
3229:	$expr->args,
3230:	$attributes,
3231:	),
3232:	$nonNullabilityResult->getScope(),
3233:	$storage,
3234:	$nodeCallback,
3235:	$context,
3236:	);
3237:	$scope = $this->revertNonNullability($exprResult->getScope(), $nonNullabilityResult->getSpecifiedExpressions());
3238:
3239:	return new ExpressionResult(
3240:	$scope,
3241:	$exprResult->hasYield(),
3242:	false,
3243:	$exprResult->getThrowPoints(),
3244:	$exprResult->getImpurePoints(),
3245:	static fn (): MutatingScope => $scope->filterByTruthyValue($expr),
3246:	static fn (): MutatingScope => $scope->filterByFalseyValue($expr),
3247:	);
3248:	} elseif ($expr instanceof StaticCall) {
3249:	$hasYield = false;
3250:	$throwPoints = [];
3251:	$impurePoints = [];
3252:	$isAlwaysTerminating = false;
3253:	if ($expr->class instanceof Expr) {
3254:	$classResult = $this->processExprNode($stmt, $expr->class, $scope, $storage, $nodeCallback, $context->enterDeep());
3255:	$hasYield = $classResult->hasYield();
3256:	$throwPoints = array_merge($throwPoints, $classResult->getThrowPoints());
3257:	$impurePoints = array_merge($impurePoints, $classResult->getImpurePoints());
3258:	$isAlwaysTerminating = $classResult->isAlwaysTerminating();
3259:
3260:	$scope = $classResult->getScope();
3261:	}
3262:
3263:	$parametersAcceptor = null;
3264:	$methodReflection = null;
3265:	if ($expr->name instanceof Expr) {
3266:	$result = $this->processExprNode($stmt, $expr->name, $scope, $storage, $nodeCallback, $context->enterDeep());
3267:	$hasYield = $hasYield \|\| $result->hasYield();
3268:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3269:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3270:	$scope = $result->getScope();
3271:	} elseif ($expr->class instanceof Name) {
3272:	$classType = $scope->resolveTypeByName($expr->class);
3273:	$methodName = $expr->name->name;
3274:	if ($classType->hasMethod($methodName)->yes()) {
3275:	$methodReflection = $classType->getMethod($methodName, $scope);
3276:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
3277:	$scope,
3278:	$expr->getArgs(),
3279:	$methodReflection->getVariants(),
3280:	$methodReflection->getNamedArgumentsVariants(),
3281:	);
3282:
3283:	$methodThrowPoint = $this->getStaticMethodThrowPoint($methodReflection, $parametersAcceptor, $expr, $scope);
3284:	if ($methodThrowPoint !== null) {
3285:	$throwPoints[] = $methodThrowPoint;
3286:	}
3287:
3288:	$declaringClass = $methodReflection->getDeclaringClass();
3289:	if (
3290:	$declaringClass->getName() === 'Closure'
3291:	&& strtolower($methodName) === 'bind'
3292:	) {
3293:	$thisType = null;
3294:	$nativeThisType = null;
3295:	if (isset($expr->getArgs()[1])) {
3296:	$argType = $scope->getType($expr->getArgs()[1]->value);
3297:	if ($argType->isNull()->yes()) {
3298:	$thisType = null;
3299:	} else {
3300:	$thisType = $argType;
3301:	}
3302:
3303:	$nativeArgType = $scope->getNativeType($expr->getArgs()[1]->value);
3304:	if ($nativeArgType->isNull()->yes()) {
3305:	$nativeThisType = null;
3306:	} else {
3307:	$nativeThisType = $nativeArgType;
3308:	}
3309:	}
3310:	$scopeClasses = ['static'];
3311:	if (isset($expr->getArgs()[2])) {
3312:	$argValue = $expr->getArgs()[2]->value;
3313:	$argValueType = $scope->getType($argValue);
3314:
3315:	$directClassNames = $argValueType->getObjectClassNames();
3316:	if (count($directClassNames) > 0) {
3317:	$scopeClasses = $directClassNames;
3318:	$thisTypes = [];
3319:	foreach ($directClassNames as $directClassName) {
3320:	$thisTypes[] = new ObjectType($directClassName);
3321:	}
3322:	$thisType = TypeCombinator::union(...$thisTypes);
3323:	} else {
3324:	$thisType = $argValueType->getClassStringObjectType();
3325:	$scopeClasses = $thisType->getObjectClassNames();
3326:	}
3327:	}
3328:	$closureBindScope = $scope->enterClosureBind($thisType, $nativeThisType, $scopeClasses);
3329:	}
3330:	} else {
3331:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $expr);
3332:	}
3333:	}
3334:
3335:	if ($expr->class instanceof Expr) {
3336:	$objectClasses = $scope->getType($expr->class)->getObjectClassNames();
3337:	if (count($objectClasses) !== 1) {
3338:	$objectClasses = $scope->getType(new New_($expr->class))->getObjectClassNames();
3339:	}
3340:	if (count($objectClasses) === 1) {
3341:	$objectExprResult = $this->processExprNode($stmt, new StaticCall(new Name($objectClasses[0]), $expr->name, []), $scope, $storage, new NoopNodeCallback(), $context->enterDeep());
3342:	$additionalThrowPoints = $objectExprResult->getThrowPoints();
3343:	} else {
3344:	$additionalThrowPoints = [InternalThrowPoint::createImplicit($scope, $expr)];
3345:	}
3346:	foreach ($additionalThrowPoints as $throwPoint) {
3347:	$throwPoints[] = $throwPoint;
3348:	}
3349:	}
3350:
3351:	if ($methodReflection !== null) {
3352:	$impurePoint = SimpleImpurePoint::createFromVariant($methodReflection, $parametersAcceptor, $scope, $expr->getArgs());
3353:	if ($impurePoint !== null) {
3354:	$impurePoints[] = new ImpurePoint($scope, $expr, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain());
3355:	}
3356:	} else {
3357:	$impurePoints[] = new ImpurePoint(
3358:	$scope,
3359:	$expr,
3360:	'methodCall',
3361:	'call to unknown method',
3362:	false,
3363:	);
3364:	}
3365:
3366:	$normalizedExpr = $expr;
3367:	if ($parametersAcceptor !== null) {
3368:	$normalizedExpr = ArgumentsNormalizer::reorderStaticCallArguments($parametersAcceptor, $expr) ?? $expr;
3369:	$returnType = $parametersAcceptor->getReturnType();
3370:	$isAlwaysTerminating = $returnType instanceof NeverType && $returnType->isExplicit();
3371:	}
3372:	$result = $this->processArgs($stmt, $methodReflection, null, $parametersAcceptor, $normalizedExpr, $scope, $storage, $nodeCallback, $context, $closureBindScope ?? null);
3373:	$scope = $result->getScope();
3374:	$scopeFunction = $scope->getFunction();
3375:
3376:	if (
3377:	$methodReflection !== null
3378:	&& (
3379:	(
3380:	!$methodReflection->isStatic()
3381:	&& $methodReflection->getName() === '__construct'
3382:	)
3383:	\|\| $methodReflection->hasSideEffects()->yes()
3384:	)
3385:	&& $scope->isInClass()
3386:	&& $scope->getClassReflection()->is($methodReflection->getDeclaringClass()->getName())
3387:	) {
3388:	$scope = $scope->invalidateExpression(new Variable('this'), true);
3389:	}
3390:
3391:	if (
3392:	$methodReflection !== null
3393:	&& !$methodReflection->isStatic()
3394:	&& $methodReflection->getName() === '__construct'
3395:	&& $scopeFunction instanceof MethodReflection
3396:	&& !$scopeFunction->isStatic()
3397:	&& $scope->isInClass()
3398:	&& $scope->getClassReflection()->isSubclassOfClass($methodReflection->getDeclaringClass())
3399:	) {
3400:	$thisType = $scope->getType(new Variable('this'));
3401:	$methodClassReflection = $methodReflection->getDeclaringClass();
3402:	foreach ($methodClassReflection->getNativeReflection()->getProperties(ReflectionProperty::IS_PUBLIC \| ReflectionProperty::IS_PROTECTED) as $property) {
3403:	if (!$property->isPromoted() \|\| $property->getDeclaringClass()->getName() !== $methodClassReflection->getName()) {
3404:	continue;
3405:	}
3406:
3407:	$scope = $scope->assignInitializedProperty($thisType, $property->getName());
3408:	}
3409:	}
3410:
3411:	$hasYield = $hasYield \|\| $result->hasYield();
3412:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3413:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3414:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3415:	} elseif ($expr instanceof PropertyFetch) {
3416:	$scopeBeforeVar = $scope;
3417:	$result = $this->processExprNode($stmt, $expr->var, $scope, $storage, $nodeCallback, $context->enterDeep());
3418:	$hasYield = $result->hasYield();
3419:	$throwPoints = $result->getThrowPoints();
3420:	$impurePoints = $result->getImpurePoints();
3421:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3422:	$scope = $result->getScope();
3423:	if ($expr->name instanceof Expr) {
3424:	$result = $this->processExprNode($stmt, $expr->name, $scope, $storage, $nodeCallback, $context->enterDeep());
3425:	$hasYield = $hasYield \|\| $result->hasYield();
3426:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3427:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3428:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3429:	$scope = $result->getScope();
3430:	if ($this->phpVersion->supportsPropertyHooks()) {
3431:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $expr);
3432:	}
3433:	} else {
3434:	$propertyName = $expr->name->toString();
3435:	$propertyHolderType = $scopeBeforeVar->getType($expr->var);
3436:	$propertyReflection = $scopeBeforeVar->getInstancePropertyReflection($propertyHolderType, $propertyName);
3437:	if ($propertyReflection !== null && $this->phpVersion->supportsPropertyHooks()) {
3438:	$propertyDeclaringClass = $propertyReflection->getDeclaringClass();
3439:	if ($propertyDeclaringClass->hasNativeProperty($propertyName)) {
3440:	$nativeProperty = $propertyDeclaringClass->getNativeProperty($propertyName);
3441:	$throwPoints = array_merge($throwPoints, $this->getPropertyReadThrowPointsFromGetHook($scopeBeforeVar, $expr, $nativeProperty));
3442:	}
3443:	}
3444:	}
3445:	} elseif ($expr instanceof Expr\NullsafePropertyFetch) {
3446:	$nonNullabilityResult = $this->ensureShallowNonNullability($scope, $scope, $expr->var);
3447:	$attributes = array_merge($expr->getAttributes(), ['virtualNullsafePropertyFetch' => true]);
3448:	unset($attributes[ExprPrinter::ATTRIBUTE_CACHE_KEY]);
3449:	$exprResult = $this->processExprNode($stmt, new PropertyFetch(
3450:	$expr->var,
3451:	$expr->name,
3452:	$attributes,
3453:	), $nonNullabilityResult->getScope(), $storage, $nodeCallback, $context);
3454:	$scope = $this->revertNonNullability($exprResult->getScope(), $nonNullabilityResult->getSpecifiedExpressions());
3455:
3456:	return new ExpressionResult(
3457:	$scope,
3458:	$exprResult->hasYield(),
3459:	false,
3460:	$exprResult->getThrowPoints(),
3461:	$exprResult->getImpurePoints(),
3462:	static fn (): MutatingScope => $scope->filterByTruthyValue($expr),
3463:	static fn (): MutatingScope => $scope->filterByFalseyValue($expr),
3464:	);
3465:	} elseif ($expr instanceof StaticPropertyFetch) {
3466:	$hasYield = false;
3467:	$throwPoints = [];
3468:	$impurePoints = [
3469:	new ImpurePoint(
3470:	$scope,
3471:	$expr,
3472:	'staticPropertyAccess',
3473:	'static property access',
3474:	true,
3475:	),
3476:	];
3477:	$isAlwaysTerminating = false;
3478:	if ($expr->class instanceof Expr) {
3479:	$result = $this->processExprNode($stmt, $expr->class, $scope, $storage, $nodeCallback, $context->enterDeep());
3480:	$hasYield = $result->hasYield();
3481:	$throwPoints = $result->getThrowPoints();
3482:	$impurePoints = $result->getImpurePoints();
3483:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3484:	$scope = $result->getScope();
3485:	}
3486:	if ($expr->name instanceof Expr) {
3487:	$result = $this->processExprNode($stmt, $expr->name, $scope, $storage, $nodeCallback, $context->enterDeep());
3488:	$hasYield = $hasYield \|\| $result->hasYield();
3489:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3490:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3491:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3492:	$scope = $result->getScope();
3493:	}
3494:	} elseif ($expr instanceof Expr\Closure) {
3495:	$processClosureResult = $this->processClosureNode($stmt, $expr, $scope, $storage, $nodeCallback, $context, null);
3496:	$scope = $processClosureResult->getScope();
3497:
3498:	return new ExpressionResult(
3499:	$scope,
3500:	false,
3501:	false,
3502:	[],
3503:	[],
3504:	);
3505:	} elseif ($expr instanceof Expr\ArrowFunction) {
3506:	$result = $this->processArrowFunctionNode($stmt, $expr, $scope, $storage, $nodeCallback, null);
3507:	return new ExpressionResult(
3508:	$result->getScope(),
3509:	$result->hasYield(),
3510:	false,
3511:	[],
3512:	[],
3513:	);
3514:	} elseif ($expr instanceof ErrorSuppress) {
3515:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context);
3516:	$hasYield = $result->hasYield();
3517:	$throwPoints = $result->getThrowPoints();
3518:	$impurePoints = $result->getImpurePoints();
3519:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3520:	$scope = $result->getScope();
3521:	} elseif ($expr instanceof Exit_) {
3522:	$hasYield = false;
3523:	$throwPoints = [];
3524:	$kind = $expr->getAttribute('kind', Exit_::KIND_EXIT);
3525:	$identifier = $kind === Exit_::KIND_DIE ? 'die' : 'exit';
3526:	$impurePoints = [
3527:	new ImpurePoint($scope, $expr, $identifier, $identifier, true),
3528:	];
3529:	$isAlwaysTerminating = true;
3530:	if ($expr->expr !== null) {
3531:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3532:	$hasYield = $result->hasYield();
3533:	$throwPoints = $result->getThrowPoints();
3534:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3535:	$scope = $result->getScope();
3536:	}
3537:	} elseif ($expr instanceof Node\Scalar\InterpolatedString) {
3538:	$hasYield = false;
3539:	$throwPoints = [];
3540:	$impurePoints = [];
3541:	$isAlwaysTerminating = false;
3542:	foreach ($expr->parts as $part) {
3543:	if (!$part instanceof Expr) {
3544:	continue;
3545:	}
3546:	$result = $this->processExprNode($stmt, $part, $scope, $storage, $nodeCallback, $context->enterDeep());
3547:	$hasYield = $hasYield \|\| $result->hasYield();
3548:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3549:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3550:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3551:	$scope = $result->getScope();
3552:	}
3553:	} elseif ($expr instanceof ArrayDimFetch) {
3554:	$hasYield = false;
3555:	$throwPoints = [];
3556:	$impurePoints = [];
3557:	$isAlwaysTerminating = false;
3558:	if ($expr->dim !== null) {
3559:	$result = $this->processExprNode($stmt, $expr->dim, $scope, $storage, $nodeCallback, $context->enterDeep());
3560:	$hasYield = $result->hasYield();
3561:	$throwPoints = $result->getThrowPoints();
3562:	$impurePoints = $result->getImpurePoints();
3563:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3564:	$scope = $result->getScope();
3565:	}
3566:
3567:	$result = $this->processExprNode($stmt, $expr->var, $scope, $storage, $nodeCallback, $context->enterDeep());
3568:	$hasYield = $hasYield \|\| $result->hasYield();
3569:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3570:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3571:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3572:	$scope = $result->getScope();
3573:	} elseif ($expr instanceof Array_) {
3574:	$itemNodes = [];
3575:	$hasYield = false;
3576:	$throwPoints = [];
3577:	$impurePoints = [];
3578:	$isAlwaysTerminating = false;
3579:	foreach ($expr->items as $arrayItem) {
3580:	$itemNodes[] = new LiteralArrayItem($scope, $arrayItem);
3581:	$this->callNodeCallback($nodeCallback, $arrayItem, $scope, $storage);
3582:	if ($arrayItem->key !== null) {
3583:	$keyResult = $this->processExprNode($stmt, $arrayItem->key, $scope, $storage, $nodeCallback, $context->enterDeep());
3584:	$hasYield = $hasYield \|\| $keyResult->hasYield();
3585:	$throwPoints = array_merge($throwPoints, $keyResult->getThrowPoints());
3586:	$impurePoints = array_merge($impurePoints, $keyResult->getImpurePoints());
3587:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $keyResult->isAlwaysTerminating();
3588:	$scope = $keyResult->getScope();
3589:	}
3590:
3591:	$valueResult = $this->processExprNode($stmt, $arrayItem->value, $scope, $storage, $nodeCallback, $context->enterDeep());
3592:	$hasYield = $hasYield \|\| $valueResult->hasYield();
3593:	$throwPoints = array_merge($throwPoints, $valueResult->getThrowPoints());
3594:	$impurePoints = array_merge($impurePoints, $valueResult->getImpurePoints());
3595:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $valueResult->isAlwaysTerminating();
3596:	$scope = $valueResult->getScope();
3597:	}
3598:	$this->callNodeCallback($nodeCallback, new LiteralArrayNode($expr, $itemNodes), $scope, $storage);
3599:	} elseif ($expr instanceof BooleanAnd \|\| $expr instanceof BinaryOp\LogicalAnd) {
3600:	$leftResult = $this->processExprNode($stmt, $expr->left, $scope, $storage, $nodeCallback, $context->enterDeep());
3601:	$rightResult = $this->processExprNode($stmt, $expr->right, $leftResult->getTruthyScope(), $storage, $nodeCallback, $context);
3602:	$rightExprType = $rightResult->getScope()->getType($expr->right);
3603:	if ($rightExprType instanceof NeverType && $rightExprType->isExplicit()) {
3604:	$leftMergedWithRightScope = $leftResult->getFalseyScope();
3605:	} else {
3606:	$leftMergedWithRightScope = $leftResult->getScope()->mergeWith($rightResult->getScope());
3607:	}
3608:
3609:	$this->callNodeCallbackWithExpression($nodeCallback, new BooleanAndNode($expr, $leftResult->getTruthyScope()), $scope, $storage, $context);
3610:
3611:	$result = new ExpressionResult(
3612:	$leftMergedWithRightScope,
3613:	$leftResult->hasYield() \|\| $rightResult->hasYield(),
3614:	$leftResult->isAlwaysTerminating(),
3615:	array_merge($leftResult->getThrowPoints(), $rightResult->getThrowPoints()),
3616:	array_merge($leftResult->getImpurePoints(), $rightResult->getImpurePoints()),
3617:	static fn (): MutatingScope => $rightResult->getScope()->filterByTruthyValue($expr),
3618:	static fn (): MutatingScope => $leftMergedWithRightScope->filterByFalseyValue($expr),
3619:	);
3620:	return $result;
3621:	} elseif ($expr instanceof BooleanOr \|\| $expr instanceof BinaryOp\LogicalOr) {
3622:	$leftResult = $this->processExprNode($stmt, $expr->left, $scope, $storage, $nodeCallback, $context->enterDeep());
3623:	$rightResult = $this->processExprNode($stmt, $expr->right, $leftResult->getFalseyScope(), $storage, $nodeCallback, $context);
3624:	$rightExprType = $rightResult->getScope()->getType($expr->right);
3625:	if ($rightExprType instanceof NeverType && $rightExprType->isExplicit()) {
3626:	$leftMergedWithRightScope = $leftResult->getTruthyScope();
3627:	} else {
3628:	$leftMergedWithRightScope = $leftResult->getScope()->mergeWith($rightResult->getScope());
3629:	}
3630:
3631:	$this->callNodeCallbackWithExpression($nodeCallback, new BooleanOrNode($expr, $leftResult->getFalseyScope()), $scope, $storage, $context);
3632:
3633:	return new ExpressionResult(
3634:	$leftMergedWithRightScope,
3635:	$leftResult->hasYield() \|\| $rightResult->hasYield(),
3636:	$leftResult->isAlwaysTerminating(),
3637:	array_merge($leftResult->getThrowPoints(), $rightResult->getThrowPoints()),
3638:	array_merge($leftResult->getImpurePoints(), $rightResult->getImpurePoints()),
3639:	static fn (): MutatingScope => $leftMergedWithRightScope->filterByTruthyValue($expr),
3640:	static fn (): MutatingScope => $rightResult->getScope()->filterByFalseyValue($expr),
3641:	);
3642:	} elseif ($expr instanceof Coalesce) {
3643:	$nonNullabilityResult = $this->ensureNonNullability($scope, $expr->left);
3644:	$condScope = $this->lookForSetAllowedUndefinedExpressions($nonNullabilityResult->getScope(), $expr->left);
3645:	$condResult = $this->processExprNode($stmt, $expr->left, $condScope, $storage, $nodeCallback, $context->enterDeep());
3646:	$scope = $this->revertNonNullability($condResult->getScope(), $nonNullabilityResult->getSpecifiedExpressions());
3647:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $expr->left);
3648:
3649:	$rightScope = $scope->filterByFalseyValue($expr);
3650:	$rightResult = $this->processExprNode($stmt, $expr->right, $rightScope, $storage, $nodeCallback, $context->enterDeep());
3651:	$rightExprType = $scope->getType($expr->right);
3652:	if ($rightExprType instanceof NeverType && $rightExprType->isExplicit()) {
3653:	$scope = $scope->filterByTruthyValue(new Expr\Isset_([$expr->left]));
3654:	} else {
3655:	$scope = $scope->filterByTruthyValue(new Expr\Isset_([$expr->left]))->mergeWith($rightResult->getScope());
3656:	}
3657:
3658:	$hasYield = $condResult->hasYield() \|\| $rightResult->hasYield();
3659:	$throwPoints = array_merge($condResult->getThrowPoints(), $rightResult->getThrowPoints());
3660:	$impurePoints = array_merge($condResult->getImpurePoints(), $rightResult->getImpurePoints());
3661:	$isAlwaysTerminating = $condResult->isAlwaysTerminating();
3662:	} elseif ($expr instanceof BinaryOp\Pipe) {
3663:	$rightAttributes = array_merge($expr->right->getAttributes(), ['virtualPipeOperatorCall' => true]);
3664:	unset($rightAttributes[ExprPrinter::ATTRIBUTE_CACHE_KEY]);
3665:	if ($expr->right instanceof FuncCall && $expr->right->isFirstClassCallable()) {
3666:	$exprResult = $this->processExprNode($stmt, new FuncCall($expr->right->name, [
3667:	new Arg($expr->left, attributes: $expr->getAttribute(ReversePipeTransformerVisitor::ARG_ATTRIBUTES_NAME, [])),
3668:	], $rightAttributes), $scope, $storage, $nodeCallback, $context);
3669:	$scope = $exprResult->getScope();
3670:	$hasYield = $exprResult->hasYield();
3671:	$throwPoints = $exprResult->getThrowPoints();
3672:	$impurePoints = $exprResult->getImpurePoints();
3673:	$isAlwaysTerminating = $exprResult->isAlwaysTerminating();
3674:	} elseif ($expr->right instanceof MethodCall && $expr->right->isFirstClassCallable()) {
3675:	$exprResult = $this->processExprNode($stmt, new MethodCall($expr->right->var, $expr->right->name, [
3676:	new Arg($expr->left, attributes: $expr->getAttribute(ReversePipeTransformerVisitor::ARG_ATTRIBUTES_NAME, [])),
3677:	], $rightAttributes), $scope, $storage, $nodeCallback, $context);
3678:	$scope = $exprResult->getScope();
3679:	$hasYield = $exprResult->hasYield();
3680:	$throwPoints = $exprResult->getThrowPoints();
3681:	$impurePoints = $exprResult->getImpurePoints();
3682:	$isAlwaysTerminating = $exprResult->isAlwaysTerminating();
3683:	} elseif ($expr->right instanceof StaticCall && $expr->right->isFirstClassCallable()) {
3684:	$exprResult = $this->processExprNode($stmt, new StaticCall($expr->right->class, $expr->right->name, [
3685:	new Arg($expr->left, attributes: $expr->getAttribute(ReversePipeTransformerVisitor::ARG_ATTRIBUTES_NAME, [])),
3686:	], $rightAttributes), $scope, $storage, $nodeCallback, $context);
3687:	$scope = $exprResult->getScope();
3688:	$hasYield = $exprResult->hasYield();
3689:	$throwPoints = $exprResult->getThrowPoints();
3690:	$impurePoints = $exprResult->getImpurePoints();
3691:	$isAlwaysTerminating = $exprResult->isAlwaysTerminating();
3692:	} else {
3693:	$exprResult = $this->processExprNode($stmt, new FuncCall($expr->right, [
3694:	new Arg($expr->left, attributes: $expr->getAttribute(ReversePipeTransformerVisitor::ARG_ATTRIBUTES_NAME, [])),
3695:	], $rightAttributes), $scope, $storage, $nodeCallback, $context);
3696:	$scope = $exprResult->getScope();
3697:	$hasYield = $exprResult->hasYield();
3698:	$throwPoints = $exprResult->getThrowPoints();
3699:	$impurePoints = $exprResult->getImpurePoints();
3700:	$isAlwaysTerminating = $exprResult->isAlwaysTerminating();
3701:	}
3702:	} elseif ($expr instanceof BinaryOp) {
3703:	$result = $this->processExprNode($stmt, $expr->left, $scope, $storage, $nodeCallback, $context->enterDeep());
3704:	$scope = $result->getScope();
3705:	$hasYield = $result->hasYield();
3706:	$throwPoints = $result->getThrowPoints();
3707:	$impurePoints = $result->getImpurePoints();
3708:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3709:	$result = $this->processExprNode($stmt, $expr->right, $scope, $storage, $nodeCallback, $context->enterDeep());
3710:	if (
3711:	($expr instanceof BinaryOp\Div \|\| $expr instanceof BinaryOp\Mod) &&
3712:	!$scope->getType($expr->right)->toNumber()->isSuperTypeOf(new ConstantIntegerType(0))->no()
3713:	) {
3714:	$throwPoints[] = InternalThrowPoint::createExplicit($scope, new ObjectType(DivisionByZeroError::class), $expr, false);
3715:	}
3716:	$scope = $result->getScope();
3717:	$hasYield = $hasYield \|\| $result->hasYield();
3718:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3719:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3720:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3721:	} elseif ($expr instanceof Expr\Include_) {
3722:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3723:	$throwPoints = $result->getThrowPoints();
3724:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $expr);
3725:	$impurePoints = $result->getImpurePoints();
3726:	$impurePoints[] = new ImpurePoint(
3727:	$scope,
3728:	$expr,
3729:	in_array($expr->type, [Expr\Include_::TYPE_INCLUDE, Expr\Include_::TYPE_INCLUDE_ONCE], true) ? 'include' : 'require',
3730:	in_array($expr->type, [Expr\Include_::TYPE_INCLUDE, Expr\Include_::TYPE_INCLUDE_ONCE], true) ? 'include' : 'require',
3731:	true,
3732:	);
3733:	$hasYield = $result->hasYield();
3734:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3735:	$scope = $result->getScope()->afterExtractCall();
3736:	} elseif ($expr instanceof Expr\Print_) {
3737:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3738:	$throwPoints = $result->getThrowPoints();
3739:	$impurePoints = $result->getImpurePoints();
3740:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3741:	$impurePoints[] = new ImpurePoint($scope, $expr, 'print', 'print', true);
3742:	$hasYield = $result->hasYield();
3743:
3744:	$scope = $result->getScope();
3745:	} elseif ($expr instanceof Cast\String_) {
3746:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3747:	$throwPoints = $result->getThrowPoints();
3748:	$impurePoints = $result->getImpurePoints();
3749:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3750:	$hasYield = $result->hasYield();
3751:
3752:	$exprType = $scope->getType($expr->expr);
3753:	$toStringMethod = $scope->getMethodReflection($exprType, '__toString');
3754:	if ($toStringMethod !== null) {
3755:	if (!$toStringMethod->hasSideEffects()->no()) {
3756:	$impurePoints[] = new ImpurePoint(
3757:	$scope,
3758:	$expr,
3759:	'methodCall',
3760:	sprintf('call to method %s::%s()', $toStringMethod->getDeclaringClass()->getDisplayName(), $toStringMethod->getName()),
3761:	$toStringMethod->isPure()->no(),
3762:	);
3763:	}
3764:	}
3765:
3766:	$scope = $result->getScope();
3767:	} elseif (
3768:	$expr instanceof Expr\BitwiseNot
3769:	\|\| $expr instanceof Cast
3770:	\|\| $expr instanceof Expr\Clone_
3771:	\|\| $expr instanceof Expr\UnaryMinus
3772:	\|\| $expr instanceof Expr\UnaryPlus
3773:	) {
3774:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3775:	$throwPoints = $result->getThrowPoints();
3776:	$impurePoints = $result->getImpurePoints();
3777:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3778:	$hasYield = $result->hasYield();
3779:
3780:	$scope = $result->getScope();
3781:	} elseif ($expr instanceof Expr\Eval_) {
3782:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3783:	$throwPoints = $result->getThrowPoints();
3784:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $expr);
3785:	$impurePoints = $result->getImpurePoints();
3786:	$impurePoints[] = new ImpurePoint($scope, $expr, 'eval', 'eval', true);
3787:	$hasYield = $result->hasYield();
3788:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3789:
3790:	$scope = $result->getScope();
3791:	} elseif ($expr instanceof Expr\YieldFrom) {
3792:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3793:	$throwPoints = $result->getThrowPoints();
3794:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $expr);
3795:	$impurePoints = $result->getImpurePoints();
3796:	$impurePoints[] = new ImpurePoint(
3797:	$scope,
3798:	$expr,
3799:	'yieldFrom',
3800:	'yield from',
3801:	true,
3802:	);
3803:	$hasYield = true;
3804:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3805:
3806:	$scope = $result->getScope();
3807:	} elseif ($expr instanceof BooleanNot) {
3808:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3809:	$scope = $result->getScope();
3810:	$hasYield = $result->hasYield();
3811:	$throwPoints = $result->getThrowPoints();
3812:	$impurePoints = $result->getImpurePoints();
3813:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3814:	} elseif ($expr instanceof Expr\ClassConstFetch) {
3815:	$isAlwaysTerminating = false;
3816:
3817:	if ($expr->class instanceof Expr) {
3818:	$result = $this->processExprNode($stmt, $expr->class, $scope, $storage, $nodeCallback, $context->enterDeep());
3819:	$scope = $result->getScope();
3820:	$hasYield = $result->hasYield();
3821:	$throwPoints = $result->getThrowPoints();
3822:	$impurePoints = $result->getImpurePoints();
3823:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3824:	} else {
3825:	$hasYield = false;
3826:	$throwPoints = [];
3827:	$impurePoints = [];
3828:	$this->callNodeCallback($nodeCallback, $expr->class, $scope, $storage);
3829:	}
3830:
3831:	if ($expr->name instanceof Expr) {
3832:	$result = $this->processExprNode($stmt, $expr->name, $scope, $storage, $nodeCallback, $context->enterDeep());
3833:	$scope = $result->getScope();
3834:	$hasYield = $hasYield \|\| $result->hasYield();
3835:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3836:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3837:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3838:	} else {
3839:	$this->callNodeCallback($nodeCallback, $expr->name, $scope, $storage);
3840:	}
3841:	} elseif ($expr instanceof Expr\Empty_) {
3842:	$nonNullabilityResult = $this->ensureNonNullability($scope, $expr->expr);
3843:	$scope = $this->lookForSetAllowedUndefinedExpressions($nonNullabilityResult->getScope(), $expr->expr);
3844:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3845:	$scope = $result->getScope();
3846:	$hasYield = $result->hasYield();
3847:	$throwPoints = $result->getThrowPoints();
3848:	$impurePoints = $result->getImpurePoints();
3849:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3850:	$scope = $this->revertNonNullability($scope, $nonNullabilityResult->getSpecifiedExpressions());
3851:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $expr->expr);
3852:	} elseif ($expr instanceof Expr\Isset_) {
3853:	$hasYield = false;
3854:	$throwPoints = [];
3855:	$impurePoints = [];
3856:	$nonNullabilityResults = [];
3857:	$isAlwaysTerminating = false;
3858:	foreach ($expr->vars as $var) {
3859:	$nonNullabilityResult = $this->ensureNonNullability($scope, $var);
3860:	$scope = $this->lookForSetAllowedUndefinedExpressions($nonNullabilityResult->getScope(), $var);
3861:	$result = $this->processExprNode($stmt, $var, $scope, $storage, $nodeCallback, $context->enterDeep());
3862:	$scope = $result->getScope();
3863:	$hasYield = $hasYield \|\| $result->hasYield();
3864:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3865:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3866:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3867:	$nonNullabilityResults[] = $nonNullabilityResult;
3868:	}
3869:	foreach (array_reverse($expr->vars) as $var) {
3870:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $var);
3871:	}
3872:	foreach (array_reverse($nonNullabilityResults) as $nonNullabilityResult) {
3873:	$scope = $this->revertNonNullability($scope, $nonNullabilityResult->getSpecifiedExpressions());
3874:	}
3875:	} elseif ($expr instanceof Instanceof_) {
3876:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, $context->enterDeep());
3877:	$scope = $result->getScope();
3878:	$hasYield = $result->hasYield();
3879:	$throwPoints = $result->getThrowPoints();
3880:	$impurePoints = $result->getImpurePoints();
3881:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3882:	if ($expr->class instanceof Expr) {
3883:	$result = $this->processExprNode($stmt, $expr->class, $scope, $storage, $nodeCallback, $context->enterDeep());
3884:	$scope = $result->getScope();
3885:	$hasYield = $hasYield \|\| $result->hasYield();
3886:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
3887:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
3888:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
3889:	}
3890:	} elseif ($expr instanceof List_) {
3891:	// only in assign and foreach, processed elsewhere
3892:	return new ExpressionResult($scope, false, false, [], []);
3893:	} elseif ($expr instanceof New_) {
3894:	$parametersAcceptor = null;
3895:	$constructorReflection = null;
3896:	$hasYield = false;
3897:	$throwPoints = [];
3898:	$impurePoints = [];
3899:	$isAlwaysTerminating = false;
3900:	$className = null;
3901:	$normalizedExpr = $expr;
3902:	if ($expr->class instanceof Expr \|\| $expr->class instanceof Name) {
3903:	if ($expr->class instanceof Expr) {
3904:	$objectClasses = $scope->getType($expr)->getObjectClassNames();
3905:	if (count($objectClasses) === 1) {
3906:	$objectExprResult = $this->processExprNode($stmt, new New_(new Name($objectClasses[0])), $scope, $storage, new NoopNodeCallback(), $context->enterDeep());
3907:	$className = $objectClasses[0];
3908:	$additionalThrowPoints = $objectExprResult->getThrowPoints();
3909:	} else {
3910:	$additionalThrowPoints = [InternalThrowPoint::createImplicit($scope, $expr)];
3911:	}
3912:
3913:	$result = $this->processExprNode($stmt, $expr->class, $scope, $storage, $nodeCallback, $context->enterDeep());
3914:	$scope = $result->getScope();
3915:	$hasYield = $result->hasYield();
3916:	$throwPoints = $result->getThrowPoints();
3917:	$impurePoints = $result->getImpurePoints();
3918:	$isAlwaysTerminating = $result->isAlwaysTerminating();
3919:	foreach ($additionalThrowPoints as $throwPoint) {
3920:	$throwPoints[] = $throwPoint;
3921:	}
3922:	} else {
3923:	$className = $scope->resolveName($expr->class);
3924:	}
3925:
3926:	$classReflection = null;
3927:	if ($className !== null && $this->reflectionProvider->hasClass($className)) {
3928:	$classReflection = $this->reflectionProvider->getClass($className);
3929:	if ($classReflection->hasConstructor()) {
3930:	$constructorReflection = $classReflection->getConstructor();
3931:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
3932:	$scope,
3933:	$expr->getArgs(),
3934:	$constructorReflection->getVariants(),
3935:	$constructorReflection->getNamedArgumentsVariants(),
3936:	);
3937:	$constructorThrowPoint = $this->getConstructorThrowPoint($constructorReflection, $parametersAcceptor, $classReflection, $expr, new Name\FullyQualified($className), $expr->getArgs(), $scope);
3938:	if ($constructorThrowPoint !== null) {
3939:	$throwPoints[] = $constructorThrowPoint;
3940:	}
3941:	}
3942:	} else {
3943:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $expr);
3944:	}
3945:
3946:	if ($constructorReflection !== null) {
3947:	if (!$constructorReflection->hasSideEffects()->no()) {
3948:	$certain = $constructorReflection->isPure()->no();
3949:	$impurePoints[] = new ImpurePoint(
3950:	$scope,
3951:	$expr,
3952:	'new',
3953:	sprintf('instantiation of class %s', $constructorReflection->getDeclaringClass()->getDisplayName()),
3954:	$certain,
3955:	);
3956:	}
3957:	} elseif ($classReflection === null) {
3958:	$impurePoints[] = new ImpurePoint(
3959:	$scope,
3960:	$expr,
3961:	'new',
3962:	'instantiation of unknown class',
3963:	false,
3964:	);
3965:	}
3966:
3967:	if ($parametersAcceptor !== null) {
3968:	$normalizedExpr = ArgumentsNormalizer::reorderNewArguments($parametersAcceptor, $expr) ?? $expr;
3969:	}
3970:
3971:	} else {
3972:	$classReflection = $this->reflectionProvider->getAnonymousClassReflection($expr->class, $scope); // populates $expr->class->name
3973:	if ($classReflection->hasConstructor()) {
3974:	$constructorReflection = $classReflection->getConstructor();
3975:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
3976:	$scope,
3977:	$expr->getArgs(),
3978:	$constructorReflection->getVariants(),
3979:	$constructorReflection->getNamedArgumentsVariants(),
3980:	);
3981:
3982:	if ($constructorReflection->getDeclaringClass()->getName() === $classReflection->getName()) {
3983:	$constructorResult = null;
3984:	$this->processStmtNode($expr->class, $scope, $storage, static function (Node $node, Scope $scope) use ($nodeCallback, $classReflection, &$constructorResult): void {
3985:	$nodeCallback($node, $scope);
3986:	if (!$node instanceof MethodReturnStatementsNode) {
3987:	return;
3988:	}
3989:	if ($constructorResult !== null) {
3990:	return;
3991:	}
3992:	$currentClassReflection = $node->getClassReflection();
3993:	if ($currentClassReflection->getName() !== $classReflection->getName()) {
3994:	return;
3995:	}
3996:	if (!$currentClassReflection->hasConstructor()) {
3997:	return;
3998:	}
3999:	if ($currentClassReflection->getConstructor()->getName() !== $node->getMethodReflection()->getName()) {
4000:	return;
4001:	}
4002:	$constructorResult = $node;
4003:	}, StatementContext::createTopLevel());
4004:	if ($constructorResult !== null) {
4005:	$throwPoints = array_map(static fn (ThrowPoint $point) => InternalThrowPoint::createFromPublic($point), $constructorResult->getStatementResult()->getThrowPoints());
4006:	$impurePoints = $constructorResult->getImpurePoints();
4007:	}
4008:	} else {
4009:	$this->processStmtNode($expr->class, $scope, $storage, $nodeCallback, StatementContext::createTopLevel());
4010:	$declaringClass = $constructorReflection->getDeclaringClass();
4011:	$constructorThrowPoint = $this->getConstructorThrowPoint($constructorReflection, $parametersAcceptor, $classReflection, $expr, new Name\FullyQualified($declaringClass->getName()), $expr->getArgs(), $scope);
4012:	if ($constructorThrowPoint !== null) {
4013:	$throwPoints[] = $constructorThrowPoint;
4014:	}
4015:
4016:	if (!$constructorReflection->hasSideEffects()->no()) {
4017:	$certain = $constructorReflection->isPure()->no();
4018:	$impurePoints[] = new ImpurePoint(
4019:	$scope,
4020:	$expr,
4021:	'new',
4022:	sprintf('instantiation of class %s', $declaringClass->getDisplayName()),
4023:	$certain,
4024:	);
4025:	}
4026:	}
4027:	} else {
4028:	$this->processStmtNode($expr->class, $scope, $storage, $nodeCallback, StatementContext::createTopLevel());
4029:	}
4030:	}
4031:
4032:	$result = $this->processArgs($stmt, $constructorReflection, null, $parametersAcceptor, $normalizedExpr, $scope, $storage, $nodeCallback, $context);
4033:	$scope = $result->getScope();
4034:	$hasYield = $hasYield \|\| $result->hasYield();
4035:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
4036:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
4037:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
4038:	} elseif (
4039:	$expr instanceof Expr\PreInc
4040:	\|\| $expr instanceof Expr\PostInc
4041:	\|\| $expr instanceof Expr\PreDec
4042:	\|\| $expr instanceof Expr\PostDec
4043:	) {
4044:	$result = $this->processExprNode($stmt, $expr->var, $scope, $storage, $nodeCallback, $context->enterDeep());
4045:	$scope = $result->getScope();
4046:	$hasYield = $result->hasYield();
4047:	$throwPoints = $result->getThrowPoints();
4048:	$impurePoints = $result->getImpurePoints();
4049:	$isAlwaysTerminating = $result->isAlwaysTerminating();
4050:
4051:	$newExpr = $expr;
4052:	if ($expr instanceof Expr\PostInc) {
4053:	$newExpr = new Expr\PreInc($expr->var);
4054:	} elseif ($expr instanceof Expr\PostDec) {
4055:	$newExpr = new Expr\PreDec($expr->var);
4056:	}
4057:
4058:	$scope = $this->processVirtualAssign(
4059:	$scope,
4060:	$storage,
4061:	$stmt,
4062:	$expr->var,
4063:	$newExpr,
4064:	$nodeCallback,
4065:	)->getScope();
4066:	} elseif ($expr instanceof Ternary) {
4067:	$ternaryCondResult = $this->processExprNode($stmt, $expr->cond, $scope, $storage, $nodeCallback, $context->enterDeep());
4068:	$throwPoints = $ternaryCondResult->getThrowPoints();
4069:	$impurePoints = $ternaryCondResult->getImpurePoints();
4070:	$isAlwaysTerminating = $ternaryCondResult->isAlwaysTerminating();
4071:	$ifTrueScope = $ternaryCondResult->getTruthyScope();
4072:	$ifFalseScope = $ternaryCondResult->getFalseyScope();
4073:	$ifTrueType = null;
4074:	if ($expr->if !== null) {
4075:	$ifResult = $this->processExprNode($stmt, $expr->if, $ifTrueScope, $storage, $nodeCallback, $context);
4076:	$throwPoints = array_merge($throwPoints, $ifResult->getThrowPoints());
4077:	$impurePoints = array_merge($impurePoints, $ifResult->getImpurePoints());
4078:	$ifTrueScope = $ifResult->getScope();
4079:	$ifTrueType = $ifTrueScope->getType($expr->if);
4080:	}
4081:
4082:	$elseResult = $this->processExprNode($stmt, $expr->else, $ifFalseScope, $storage, $nodeCallback, $context);
4083:	$throwPoints = array_merge($throwPoints, $elseResult->getThrowPoints());
4084:	$impurePoints = array_merge($impurePoints, $elseResult->getImpurePoints());
4085:	$ifFalseScope = $elseResult->getScope();
4086:
4087:	$condType = $scope->getType($expr->cond);
4088:	if ($condType->isTrue()->yes()) {
4089:	$finalScope = $ifTrueScope;
4090:	} elseif ($condType->isFalse()->yes()) {
4091:	$finalScope = $ifFalseScope;
4092:	} else {
4093:	if ($ifTrueType instanceof NeverType && $ifTrueType->isExplicit()) {
4094:	$finalScope = $ifFalseScope;
4095:	} else {
4096:	$ifFalseType = $ifFalseScope->getType($expr->else);
4097:
4098:	if ($ifFalseType instanceof NeverType && $ifFalseType->isExplicit()) {
4099:	$finalScope = $ifTrueScope;
4100:	} else {
4101:	$finalScope = $ifTrueScope->mergeWith($ifFalseScope);
4102:	}
4103:	}
4104:	}
4105:
4106:	return new ExpressionResult(
4107:	$finalScope,
4108:	$ternaryCondResult->hasYield(),
4109:	$isAlwaysTerminating,
4110:	$throwPoints,
4111:	$impurePoints,
4112:	static fn (): MutatingScope => $finalScope->filterByTruthyValue($expr),
4113:	static fn (): MutatingScope => $finalScope->filterByFalseyValue($expr),
4114:	);
4115:	} elseif ($expr instanceof Expr\Yield_) {
4116:	$throwPoints = [
4117:	InternalThrowPoint::createImplicit($scope, $expr),
4118:	];
4119:	$impurePoints = [
4120:	new ImpurePoint(
4121:	$scope,
4122:	$expr,
4123:	'yield',
4124:	'yield',
4125:	true,
4126:	),
4127:	];
4128:	$isAlwaysTerminating = false;
4129:	if ($expr->key !== null) {
4130:	$keyResult = $this->processExprNode($stmt, $expr->key, $scope, $storage, $nodeCallback, $context->enterDeep());
4131:	$scope = $keyResult->getScope();
4132:	$throwPoints = $keyResult->getThrowPoints();
4133:	$impurePoints = array_merge($impurePoints, $keyResult->getImpurePoints());
4134:	$isAlwaysTerminating = $keyResult->isAlwaysTerminating();
4135:	}
4136:	if ($expr->value !== null) {
4137:	$valueResult = $this->processExprNode($stmt, $expr->value, $scope, $storage, $nodeCallback, $context->enterDeep());
4138:	$scope = $valueResult->getScope();
4139:	$throwPoints = array_merge($throwPoints, $valueResult->getThrowPoints());
4140:	$impurePoints = array_merge($impurePoints, $valueResult->getImpurePoints());
4141:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $valueResult->isAlwaysTerminating();
4142:	}
4143:	$hasYield = true;
4144:	} elseif ($expr instanceof Expr\Match_) {
4145:	$deepContext = $context->enterDeep();
4146:	$condType = $scope->getType($expr->cond);
4147:	$condResult = $this->processExprNode($stmt, $expr->cond, $scope, $storage, $nodeCallback, $deepContext);
4148:	$scope = $condResult->getScope();
4149:	$hasYield = $condResult->hasYield();
4150:	$throwPoints = $condResult->getThrowPoints();
4151:	$impurePoints = $condResult->getImpurePoints();
4152:	$isAlwaysTerminating = $condResult->isAlwaysTerminating();
4153:	$matchScope = $scope->enterMatch($expr);
4154:	$armNodes = [];
4155:	$hasDefaultCond = false;
4156:	$hasAlwaysTrueCond = false;
4157:	$arms = $expr->arms;
4158:	$armCondsToSkip = [];
4159:	if ($condType->isEnum()->yes()) {
4160:	// enum match analysis would work even without this if branch
4161:	// but would be much slower
4162:	// this avoids using ObjectType::$subtractedType which is slow for huge enums
4163:	// because of repeated union type normalization
4164:	$enumCases = $condType->getEnumCases();
4165:	if (count($enumCases) > 0) {
4166:	$indexedEnumCases = [];
4167:	foreach ($enumCases as $enumCase) {
4168:	$indexedEnumCases[strtolower($enumCase->getClassName())][$enumCase->getEnumCaseName()] = $enumCase;
4169:	}
4170:	$unusedIndexedEnumCases = $indexedEnumCases;
4171:	foreach ($arms as $i => $arm) {
4172:	if ($arm->conds === null) {
4173:	continue;
4174:	}
4175:
4176:	$condNodes = [];
4177:	$conditionCases = [];
4178:	$conditionExprs = [];
4179:	foreach ($arm->conds as $j => $cond) {
4180:	if (!$cond instanceof Expr\ClassConstFetch) {
4181:	continue 2;
4182:	}
4183:	if (!$cond->class instanceof Name) {
4184:	continue 2;
4185:	}
4186:	if (!$cond->name instanceof Node\Identifier) {
4187:	continue 2;
4188:	}
4189:	$fetchedClassName = $scope->resolveName($cond->class);
4190:	$loweredFetchedClassName = strtolower($fetchedClassName);
4191:	if (!array_key_exists($loweredFetchedClassName, $indexedEnumCases)) {
4192:	continue 2;
4193:	}
4194:
4195:	if (!array_key_exists($loweredFetchedClassName, $unusedIndexedEnumCases)) {
4196:	throw new ShouldNotHappenException();
4197:	}
4198:
4199:	$caseName = $cond->name->toString();
4200:	if (!array_key_exists($caseName, $indexedEnumCases[$loweredFetchedClassName])) {
4201:	continue 2;
4202:	}
4203:
4204:	$enumCase = $indexedEnumCases[$loweredFetchedClassName][$caseName];
4205:	$conditionCases[] = $enumCase;
4206:	$armConditionScope = $matchScope;
4207:	if (!array_key_exists($caseName, $unusedIndexedEnumCases[$loweredFetchedClassName])) {
4208:	// force "always false"
4209:	$armConditionScope = $armConditionScope->removeTypeFromExpression(
4210:	$expr->cond,
4211:	$enumCase,
4212:	);
4213:	} else {
4214:	$unusedCasesCount = 0;
4215:	foreach ($unusedIndexedEnumCases as $cases) {
4216:	$unusedCasesCount += count($cases);
4217:	}
4218:	if ($unusedCasesCount === 1) {
4219:	$hasAlwaysTrueCond = true;
4220:
4221:	// force "always true"
4222:	$armConditionScope = $armConditionScope->addTypeToExpression(
4223:	$expr->cond,
4224:	$enumCase,
4225:	);
4226:	}
4227:	}
4228:
4229:	$this->processExprNode($stmt, $cond, $armConditionScope, $storage, $nodeCallback, $deepContext);
4230:
4231:	$condNodes[] = new MatchExpressionArmCondition(
4232:	$cond,
4233:	$armConditionScope,
4234:	$cond->getStartLine(),
4235:	);
4236:	$conditionExprs[] = $cond;
4237:
4238:	unset($unusedIndexedEnumCases[$loweredFetchedClassName][$caseName]);
4239:	$armCondsToSkip[$i][$j] = true;
4240:	}
4241:
4242:	$conditionCasesCount = count($conditionCases);
4243:	if ($conditionCasesCount === 0) {
4244:	throw new ShouldNotHappenException();
4245:	} elseif ($conditionCasesCount === 1) {
4246:	$conditionCaseType = $conditionCases[0];
4247:	} else {
4248:	$conditionCaseType = new UnionType($conditionCases);
4249:	}
4250:
4251:	$filteringExpr = $this->getFilteringExprForMatchArm($expr, $conditionExprs);
4252:	$matchArmBodyScope = $matchScope->addTypeToExpression(
4253:	$expr->cond,
4254:	$conditionCaseType,
4255:	)->filterByTruthyValue($filteringExpr);
4256:	$matchArmBody = new MatchExpressionArmBody($matchArmBodyScope, $arm->body);
4257:	$armNodes[$i] = new MatchExpressionArm($matchArmBody, $condNodes, $arm->getStartLine());
4258:
4259:	$armResult = $this->processExprNode(
4260:	$stmt,
4261:	$arm->body,
4262:	$matchArmBodyScope,
4263:	$storage,
4264:	$nodeCallback,
4265:	ExpressionContext::createTopLevel(),
4266:	);
4267:	$armScope = $armResult->getScope();
4268:	$scope = $scope->mergeWith($armScope);
4269:	$hasYield = $hasYield \|\| $armResult->hasYield();
4270:	$throwPoints = array_merge($throwPoints, $armResult->getThrowPoints());
4271:	$impurePoints = array_merge($impurePoints, $armResult->getImpurePoints());
4272:
4273:	unset($arms[$i]);
4274:	}
4275:
4276:	$remainingCases = [];
4277:	foreach ($unusedIndexedEnumCases as $cases) {
4278:	foreach ($cases as $case) {
4279:	$remainingCases[] = $case;
4280:	}
4281:	}
4282:
4283:	$remainingCasesCount = count($remainingCases);
4284:	if ($remainingCasesCount === 0) {
4285:	$remainingType = new NeverType();
4286:	} elseif ($remainingCasesCount === 1) {
4287:	$remainingType = $remainingCases[0];
4288:	} else {
4289:	$remainingType = new UnionType($remainingCases);
4290:	}
4291:
4292:	$matchScope = $matchScope->addTypeToExpression($expr->cond, $remainingType);
4293:	}
4294:	}
4295:	foreach ($arms as $i => $arm) {
4296:	if ($arm->conds === null) {
4297:	$hasDefaultCond = true;
4298:	$matchArmBody = new MatchExpressionArmBody($matchScope, $arm->body);
4299:	$armNodes[$i] = new MatchExpressionArm($matchArmBody, [], $arm->getStartLine());
4300:	$armResult = $this->processExprNode($stmt, $arm->body, $matchScope, $storage, $nodeCallback, ExpressionContext::createTopLevel());
4301:	$matchScope = $armResult->getScope();
4302:	$hasYield = $hasYield \|\| $armResult->hasYield();
4303:	$throwPoints = array_merge($throwPoints, $armResult->getThrowPoints());
4304:	$impurePoints = array_merge($impurePoints, $armResult->getImpurePoints());
4305:	$scope = $scope->mergeWith($matchScope);
4306:	continue;
4307:	}
4308:
4309:	if (count($arm->conds) === 0) {
4310:	throw new ShouldNotHappenException();
4311:	}
4312:
4313:	$filteringExprs = [];
4314:	$armCondScope = $matchScope;
4315:	$condNodes = [];
4316:	foreach ($arm->conds as $j => $armCond) {
4317:	if (isset($armCondsToSkip[$i][$j])) {
4318:	continue;
4319:	}
4320:	$condNodes[] = new MatchExpressionArmCondition($armCond, $armCondScope, $armCond->getStartLine());
4321:	$armCondResult = $this->processExprNode($stmt, $armCond, $armCondScope, $storage, $nodeCallback, $deepContext);
4322:	$hasYield = $hasYield \|\| $armCondResult->hasYield();
4323:	$throwPoints = array_merge($throwPoints, $armCondResult->getThrowPoints());
4324:	$impurePoints = array_merge($impurePoints, $armCondResult->getImpurePoints());
4325:	$armCondExpr = new BinaryOp\Identical($expr->cond, $armCond);
4326:	$armCondResultScope = $armCondResult->getScope();
4327:	$armCondType = $this->treatPhpDocTypesAsCertain ? $armCondResultScope->getType($armCondExpr) : $armCondResultScope->getNativeType($armCondExpr);
4328:	if ($armCondType->isTrue()->yes()) {
4329:	$hasAlwaysTrueCond = true;
4330:	}
4331:	$armCondScope = $armCondResult->getScope()->filterByFalseyValue($armCondExpr);
4332:	$filteringExprs[] = $armCond;
4333:	}
4334:
4335:	$filteringExpr = $this->getFilteringExprForMatchArm($expr, $filteringExprs);
4336:	$bodyScope = $matchScope->filterByTruthyValue($filteringExpr);
4337:	$matchArmBody = new MatchExpressionArmBody($bodyScope, $arm->body);
4338:	$armNodes[$i] = new MatchExpressionArm($matchArmBody, $condNodes, $arm->getStartLine());
4339:
4340:	$armResult = $this->processExprNode(
4341:	$stmt,
4342:	$arm->body,
4343:	$bodyScope,
4344:	$storage,
4345:	$nodeCallback,
4346:	ExpressionContext::createTopLevel(),
4347:	);
4348:	$armScope = $armResult->getScope();
4349:	$scope = $scope->mergeWith($armScope);
4350:	$hasYield = $hasYield \|\| $armResult->hasYield();
4351:	$throwPoints = array_merge($throwPoints, $armResult->getThrowPoints());
4352:	$impurePoints = array_merge($impurePoints, $armResult->getImpurePoints());
4353:	$matchScope = $matchScope->filterByFalseyValue($filteringExpr);
4354:	}
4355:
4356:	if (!$hasDefaultCond && !$hasAlwaysTrueCond) {
4357:	$remainingType = $matchScope->getType($expr->cond);
4358:	if (!$remainingType instanceof NeverType) {
4359:	$throwPoints[] = InternalThrowPoint::createExplicit($scope, new ObjectType(UnhandledMatchError::class), $expr, false);
4360:	}
4361:	}
4362:
4363:	ksort($armNodes, SORT_NUMERIC);
4364:
4365:	$this->callNodeCallback($nodeCallback, new MatchExpressionNode($expr->cond, array_values($armNodes), $expr, $matchScope), $scope, $storage);
4366:
4367:	if ($expr->cond instanceof AlwaysRememberedExpr) {
4368:	$expr->cond = $expr->cond->getExpr();
4369:	}
4370:	} elseif ($expr instanceof AlwaysRememberedExpr) {
4371:	$result = $this->processExprNode($stmt, $expr->getExpr(), $scope, $storage, $nodeCallback, $context);
4372:	$hasYield = $result->hasYield();
4373:	$throwPoints = $result->getThrowPoints();
4374:	$impurePoints = $result->getImpurePoints();
4375:	$isAlwaysTerminating = $result->isAlwaysTerminating();
4376:	$scope = $result->getScope();
4377:	$expr = $expr->getExpr();
4378:	} elseif ($expr instanceof Expr\Throw_) {
4379:	$hasYield = false;
4380:	$result = $this->processExprNode($stmt, $expr->expr, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
4381:	$throwPoints = $result->getThrowPoints();
4382:	$impurePoints = $result->getImpurePoints();
4383:	$isAlwaysTerminating = $result->isAlwaysTerminating();
4384:	$throwPoints[] = InternalThrowPoint::createExplicit($scope, $scope->getType($expr->expr), $expr, false);
4385:	} elseif ($expr instanceof FunctionCallableNode) {
4386:	$throwPoints = [];
4387:	$impurePoints = [];
4388:	$hasYield = false;
4389:	$isAlwaysTerminating = false;
4390:	if ($expr->getName() instanceof Expr) {
4391:	$result = $this->processExprNode($stmt, $expr->getName(), $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
4392:	$scope = $result->getScope();
4393:	$hasYield = $result->hasYield();
4394:	$throwPoints = $result->getThrowPoints();
4395:	$impurePoints = $result->getImpurePoints();
4396:	$isAlwaysTerminating = $result->isAlwaysTerminating();
4397:	}
4398:	} elseif ($expr instanceof MethodCallableNode) {
4399:	$result = $this->processExprNode($stmt, $expr->getVar(), $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
4400:	$scope = $result->getScope();
4401:	$hasYield = $result->hasYield();
4402:	$throwPoints = $result->getThrowPoints();
4403:	$impurePoints = $result->getImpurePoints();
4404:	$isAlwaysTerminating = false;
4405:	if ($expr->getName() instanceof Expr) {
4406:	$nameResult = $this->processExprNode($stmt, $expr->getName(), $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
4407:	$scope = $nameResult->getScope();
4408:	$hasYield = $hasYield \|\| $nameResult->hasYield();
4409:	$throwPoints = array_merge($throwPoints, $nameResult->getThrowPoints());
4410:	$impurePoints = array_merge($impurePoints, $nameResult->getImpurePoints());
4411:	$isAlwaysTerminating = $nameResult->isAlwaysTerminating();
4412:	}
4413:	} elseif ($expr instanceof StaticMethodCallableNode) {
4414:	$throwPoints = [];
4415:	$impurePoints = [];
4416:	$hasYield = false;
4417:	$isAlwaysTerminating = false;
4418:	if ($expr->getClass() instanceof Expr) {
4419:	$classResult = $this->processExprNode($stmt, $expr->getClass(), $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
4420:	$scope = $classResult->getScope();
4421:	$hasYield = $classResult->hasYield();
4422:	$throwPoints = $classResult->getThrowPoints();
4423:	$impurePoints = $classResult->getImpurePoints();
4424:	$isAlwaysTerminating = $classResult->isAlwaysTerminating();
4425:	}
4426:	if ($expr->getName() instanceof Expr) {
4427:	$nameResult = $this->processExprNode($stmt, $expr->getName(), $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
4428:	$scope = $nameResult->getScope();
4429:	$hasYield = $hasYield \|\| $nameResult->hasYield();
4430:	$throwPoints = array_merge($throwPoints, $nameResult->getThrowPoints());
4431:	$impurePoints = array_merge($impurePoints, $nameResult->getImpurePoints());
4432:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $nameResult->isAlwaysTerminating();
4433:	}
4434:	} elseif ($expr instanceof InstantiationCallableNode) {
4435:	$throwPoints = [];
4436:	$impurePoints = [];
4437:	$hasYield = false;
4438:	$isAlwaysTerminating = false;
4439:	if ($expr->getClass() instanceof Expr) {
4440:	$classResult = $this->processExprNode($stmt, $expr->getClass(), $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
4441:	$scope = $classResult->getScope();
4442:	$hasYield = $classResult->hasYield();
4443:	$throwPoints = $classResult->getThrowPoints();
4444:	$impurePoints = $classResult->getImpurePoints();
4445:	$isAlwaysTerminating = $classResult->isAlwaysTerminating();
4446:	}
4447:	} elseif ($expr instanceof Node\Scalar) {
4448:	$hasYield = false;
4449:	$throwPoints = [];
4450:	$impurePoints = [];
4451:	$isAlwaysTerminating = false;
4452:	} elseif ($expr instanceof ConstFetch) {
4453:	$hasYield = false;
4454:	$throwPoints = [];
4455:	$impurePoints = [];
4456:	$isAlwaysTerminating = false;
4457:	$this->callNodeCallback($nodeCallback, $expr->name, $scope, $storage);
4458:	} else {
4459:	$hasYield = false;
4460:	$throwPoints = [];
4461:	$impurePoints = [];
4462:	$isAlwaysTerminating = false;
4463:	}
4464:
4465:	$result = new ExpressionResult(
4466:	$scope,
4467:	$hasYield,
4468:	$isAlwaysTerminating,
4469:	$throwPoints,
4470:	$impurePoints,
4471:	static fn (): MutatingScope => $scope->filterByTruthyValue($expr),
4472:	static fn (): MutatingScope => $scope->filterByFalseyValue($expr),
4473:	);
4474:	return $result;
4475:	}
4476:
4477:	private function getArrayFunctionAppendingType(FunctionReflection $functionReflection, Scope $scope, FuncCall $expr): Type
4478:	{
4479:	$arrayArg = $expr->getArgs()[0]->value;
4480:	$arrayType = $scope->getType($arrayArg);
4481:	$callArgs = array_slice($expr->getArgs(), 1);
4482:
4483:	/**
4484:	* @param Arg[] $callArgs
4485:	* @param callable(?Type, Type, bool): void $setOffsetValueType
4486:	*/
4487:	$setOffsetValueTypes = static function (Scope $scope, array $callArgs, callable $setOffsetValueType, ?bool &$nonConstantArrayWasUnpacked = null): void {
4488:	foreach ($callArgs as $callArg) {
4489:	$callArgType = $scope->getType($callArg->value);
4490:	if ($callArg->unpack) {
4491:	$constantArrays = $callArgType->getConstantArrays();
4492:	if (count($constantArrays) === 1) {
4493:	$iterableValueTypes = $constantArrays[0]->getValueTypes();
4494:	} else {
4495:	$iterableValueTypes = [$callArgType->getIterableValueType()];
4496:	$nonConstantArrayWasUnpacked = true;
4497:	}
4498:
4499:	$isOptional = !$callArgType->isIterableAtLeastOnce()->yes();
4500:	foreach ($iterableValueTypes as $iterableValueType) {
4501:	if ($iterableValueType instanceof UnionType) {
4502:	foreach ($iterableValueType->getTypes() as $innerType) {
4503:	$setOffsetValueType(null, $innerType, $isOptional);
4504:	}
4505:	} else {
4506:	$setOffsetValueType(null, $iterableValueType, $isOptional);
4507:	}
4508:	}
4509:	continue;
4510:	}
4511:	$setOffsetValueType(null, $callArgType, false);
4512:	}
4513:	};
4514:
4515:	$constantArrays = $arrayType->getConstantArrays();
4516:	if (count($constantArrays) > 0) {
4517:	$newArrayTypes = [];
4518:	$prepend = $functionReflection->getName() === 'array_unshift';
4519:	foreach ($constantArrays as $constantArray) {
4520:	$arrayTypeBuilder = $prepend ? ConstantArrayTypeBuilder::createEmpty() : ConstantArrayTypeBuilder::createFromConstantArray($constantArray);
4521:
4522:	$setOffsetValueTypes(
4523:	$scope,
4524:	$callArgs,
4525:	static function (?Type $offsetType, Type $valueType, bool $optional) use (&$arrayTypeBuilder): void {
4526:	$arrayTypeBuilder->setOffsetValueType($offsetType, $valueType, $optional);
4527:	},
4528:	$nonConstantArrayWasUnpacked,
4529:	);
4530:
4531:	if ($prepend) {
4532:	$keyTypes = $constantArray->getKeyTypes();
4533:	$valueTypes = $constantArray->getValueTypes();
4534:	foreach ($keyTypes as $k => $keyType) {
4535:	$arrayTypeBuilder->setOffsetValueType(
4536:	count($keyType->getConstantStrings()) === 1 ? $keyType->getConstantStrings()[0] : null,
4537:	$valueTypes[$k],
4538:	$constantArray->isOptionalKey($k),
4539:	);
4540:	}
4541:	}
4542:
4543:	$constantArray = $arrayTypeBuilder->getArray();
4544:
4545:	if ($constantArray->isConstantArray()->yes() && $nonConstantArrayWasUnpacked) {
4546:	$array = new ArrayType($constantArray->generalize(GeneralizePrecision::lessSpecific())->getIterableKeyType(), $constantArray->getIterableValueType());
4547:	$isList = $constantArray->isList()->yes();
4548:	$constantArray = $constantArray->isIterableAtLeastOnce()->yes()
4549:	? new IntersectionType([$array, new NonEmptyArrayType()])
4550:	: $array;
4551:	$constantArray = $isList
4552:	? TypeCombinator::intersect($constantArray, new AccessoryArrayListType())
4553:	: $constantArray;
4554:	}
4555:
4556:	$newArrayTypes[] = $constantArray;
4557:	}
4558:
4559:	return TypeCombinator::union(...$newArrayTypes);
4560:	}
4561:
4562:	$setOffsetValueTypes(
4563:	$scope,
4564:	$callArgs,
4565:	static function (?Type $offsetType, Type $valueType, bool $optional) use (&$arrayType): void {
4566:	$isIterableAtLeastOnce = $arrayType->isIterableAtLeastOnce()->yes() \|\| !$optional;
4567:	$arrayType = $arrayType->setOffsetValueType($offsetType, $valueType);
4568:	if ($isIterableAtLeastOnce) {
4569:	return;
4570:	}
4571:
4572:	$arrayType = TypeCombinator::union($arrayType, new ConstantArrayType([], []));
4573:	},
4574:	);
4575:
4576:	return $arrayType;
4577:	}
4578:
4579:	private function getArraySortPreserveListFunctionType(Type $type): Type
4580:	{
4581:	$isIterableAtLeastOnce = $type->isIterableAtLeastOnce();
4582:	if ($isIterableAtLeastOnce->no()) {
4583:	return $type;
4584:	}
4585:
4586:	return TypeTraverser::map($type, static function (Type $type, callable $traverse) use ($isIterableAtLeastOnce): Type {
4587:	if ($type instanceof UnionType \|\| $type instanceof IntersectionType) {
4588:	return $traverse($type);
4589:	}
4590:
4591:	if (!$type instanceof ArrayType && !$type instanceof ConstantArrayType) {
4592:	return $type;
4593:	}
4594:
4595:	$newArrayType = new IntersectionType([new ArrayType(IntegerRangeType::createAllGreaterThanOrEqualTo(0), $type->getIterableValueType()), new AccessoryArrayListType()]);
4596:	if ($isIterableAtLeastOnce->yes()) {
4597:	$newArrayType = TypeCombinator::intersect($newArrayType, new NonEmptyArrayType());
4598:	}
4599:
4600:	return $newArrayType;
4601:	});
4602:	}
4603:
4604:	private function getArraySortDoNotPreserveListFunctionType(Type $type): Type
4605:	{
4606:	$isIterableAtLeastOnce = $type->isIterableAtLeastOnce();
4607:	if ($isIterableAtLeastOnce->no()) {
4608:	return $type;
4609:	}
4610:
4611:	return TypeTraverser::map($type, static function (Type $type, callable $traverse) use ($isIterableAtLeastOnce): Type {
4612:	if ($type instanceof UnionType) {
4613:	return $traverse($type);
4614:	}
4615:
4616:	$constantArrays = $type->getConstantArrays();
4617:	if (count($constantArrays) > 0) {
4618:	$types = [];
4619:	foreach ($constantArrays as $constantArray) {
4620:	$types[] = new ConstantArrayType(
4621:	$constantArray->getKeyTypes(),
4622:	$constantArray->getValueTypes(),
4623:	$constantArray->getNextAutoIndexes(),
4624:	$constantArray->getOptionalKeys(),
4625:	$constantArray->isList()->and(TrinaryLogic::createMaybe()),
4626:	);
4627:	}
4628:
4629:	return TypeCombinator::union(...$types);
4630:	}
4631:
4632:	$newArrayType = new ArrayType($type->getIterableKeyType(), $type->getIterableValueType());
4633:	if ($isIterableAtLeastOnce->yes()) {
4634:	$newArrayType = new IntersectionType([$newArrayType, new NonEmptyArrayType()]);
4635:	}
4636:
4637:	return $newArrayType;
4638:	});
4639:	}
4640:
4641:	private function getFunctionThrowPoint(
4642:	FunctionReflection $functionReflection,
4643:	?ParametersAcceptor $parametersAcceptor,
4644:	FuncCall $funcCall,
4645:	MutatingScope $scope,
4646:	): ?InternalThrowPoint
4647:	{
4648:	$normalizedFuncCall = $funcCall;
4649:	if ($parametersAcceptor !== null) {
4650:	$normalizedFuncCall = ArgumentsNormalizer::reorderFuncArguments($parametersAcceptor, $funcCall);
4651:	}
4652:
4653:	if ($normalizedFuncCall !== null) {
4654:	foreach ($this->dynamicThrowTypeExtensionProvider->getDynamicFunctionThrowTypeExtensions() as $extension) {
4655:	if (!$extension->isFunctionSupported($functionReflection)) {
4656:	continue;
4657:	}
4658:
4659:	$throwType = $extension->getThrowTypeFromFunctionCall($functionReflection, $normalizedFuncCall, $scope);
4660:	if ($throwType === null) {
4661:	return null;
4662:	}
4663:
4664:	return InternalThrowPoint::createExplicit($scope, $throwType, $funcCall, false);
4665:	}
4666:	}
4667:
4668:	$throwType = $functionReflection->getThrowType();
4669:	if ($throwType === null && $parametersAcceptor !== null) {
4670:	$returnType = $parametersAcceptor->getReturnType();
4671:	if ($returnType instanceof NeverType && $returnType->isExplicit()) {
4672:	$throwType = new ObjectType(Throwable::class);
4673:	}
4674:	}
4675:
4676:	if ($throwType !== null) {
4677:	if (!$throwType->isVoid()->yes()) {
4678:	return InternalThrowPoint::createExplicit($scope, $throwType, $funcCall, true);
4679:	}
4680:	} elseif ($this->implicitThrows) {
4681:	$requiredParameters = null;
4682:	if ($parametersAcceptor !== null) {
4683:	$requiredParameters = 0;
4684:	foreach ($parametersAcceptor->getParameters() as $parameter) {
4685:	if ($parameter->isOptional()) {
4686:	continue;
4687:	}
4688:
4689:	$requiredParameters++;
4690:	}
4691:	}
4692:	if (
4693:	!$functionReflection->isBuiltin()
4694:	\|\| $requiredParameters === null
4695:	\|\| $requiredParameters > 0
4696:	\|\| count($funcCall->getArgs()) > 0
4697:	) {
4698:	$functionReturnedType = $scope->getType($funcCall);
4699:	if (!(new ObjectType(Throwable::class))->isSuperTypeOf($functionReturnedType)->yes()) {
4700:	return InternalThrowPoint::createImplicit($scope, $funcCall);
4701:	}
4702:	}
4703:	}
4704:
4705:	return null;
4706:	}
4707:
4708:	private function getMethodThrowPoint(MethodReflection $methodReflection, ParametersAcceptor $parametersAcceptor, MethodCall $methodCall, MutatingScope $scope): ?InternalThrowPoint
4709:	{
4710:	$normalizedMethodCall = ArgumentsNormalizer::reorderMethodArguments($parametersAcceptor, $methodCall);
4711:	if ($normalizedMethodCall !== null) {
4712:	foreach ($this->dynamicThrowTypeExtensionProvider->getDynamicMethodThrowTypeExtensions() as $extension) {
4713:	if (!$extension->isMethodSupported($methodReflection)) {
4714:	continue;
4715:	}
4716:
4717:	$throwType = $extension->getThrowTypeFromMethodCall($methodReflection, $normalizedMethodCall, $scope);
4718:	if ($throwType === null) {
4719:	return null;
4720:	}
4721:
4722:	return InternalThrowPoint::createExplicit($scope, $throwType, $methodCall, false);
4723:	}
4724:	}
4725:
4726:	$throwType = $methodReflection->getThrowType();
4727:	if ($throwType === null) {
4728:	$returnType = $parametersAcceptor->getReturnType();
4729:	if ($returnType instanceof NeverType && $returnType->isExplicit()) {
4730:	$throwType = new ObjectType(Throwable::class);
4731:	}
4732:	}
4733:
4734:	if ($throwType !== null) {
4735:	if (!$throwType->isVoid()->yes()) {
4736:	return InternalThrowPoint::createExplicit($scope, $throwType, $methodCall, true);
4737:	}
4738:	} elseif ($this->implicitThrows) {
4739:	$methodReturnedType = $scope->getType($methodCall);
4740:	if (!(new ObjectType(Throwable::class))->isSuperTypeOf($methodReturnedType)->yes()) {
4741:	return InternalThrowPoint::createImplicit($scope, $methodCall);
4742:	}
4743:	}
4744:
4745:	return null;
4746:	}
4747:
4748:	/**
4749:	* @param list<Node\Arg> $args
4750:	*/
4751:	private function getConstructorThrowPoint(MethodReflection $constructorReflection, ParametersAcceptor $parametersAcceptor, ClassReflection $classReflection, New_ $new, Name $className, array $args, MutatingScope $scope): ?InternalThrowPoint
4752:	{
4753:	$methodCall = new StaticCall($className, $constructorReflection->getName(), $args);
4754:	$normalizedMethodCall = ArgumentsNormalizer::reorderStaticCallArguments($parametersAcceptor, $methodCall);
4755:	if ($normalizedMethodCall !== null) {
4756:	foreach ($this->dynamicThrowTypeExtensionProvider->getDynamicStaticMethodThrowTypeExtensions() as $extension) {
4757:	if (!$extension->isStaticMethodSupported($constructorReflection)) {
4758:	continue;
4759:	}
4760:
4761:	$throwType = $extension->getThrowTypeFromStaticMethodCall($constructorReflection, $normalizedMethodCall, $scope);
4762:	if ($throwType === null) {
4763:	return null;
4764:	}
4765:
4766:	return InternalThrowPoint::createExplicit($scope, $throwType, $new, false);
4767:	}
4768:	}
4769:
4770:	if ($constructorReflection->getThrowType() !== null) {
4771:	$throwType = $constructorReflection->getThrowType();
4772:	if (!$throwType->isVoid()->yes()) {
4773:	return InternalThrowPoint::createExplicit($scope, $throwType, $new, true);
4774:	}
4775:	} elseif ($this->implicitThrows) {
4776:	if (!$classReflection->is(Throwable::class)) {
4777:	return InternalThrowPoint::createImplicit($scope, $methodCall);
4778:	}
4779:	}
4780:
4781:	return null;
4782:	}
4783:
4784:	private function getStaticMethodThrowPoint(MethodReflection $methodReflection, ParametersAcceptor $parametersAcceptor, StaticCall $methodCall, MutatingScope $scope): ?InternalThrowPoint
4785:	{
4786:	$normalizedMethodCall = ArgumentsNormalizer::reorderStaticCallArguments($parametersAcceptor, $methodCall);
4787:	if ($normalizedMethodCall !== null) {
4788:	foreach ($this->dynamicThrowTypeExtensionProvider->getDynamicStaticMethodThrowTypeExtensions() as $extension) {
4789:	if (!$extension->isStaticMethodSupported($methodReflection)) {
4790:	continue;
4791:	}
4792:
4793:	$throwType = $extension->getThrowTypeFromStaticMethodCall($methodReflection, $normalizedMethodCall, $scope);
4794:	if ($throwType === null) {
4795:	return null;
4796:	}
4797:
4798:	return InternalThrowPoint::createExplicit($scope, $throwType, $methodCall, false);
4799:	}
4800:	}
4801:
4802:	if ($methodReflection->getThrowType() !== null) {
4803:	$throwType = $methodReflection->getThrowType();
4804:	if (!$throwType->isVoid()->yes()) {
4805:	return InternalThrowPoint::createExplicit($scope, $throwType, $methodCall, true);
4806:	}
4807:	} elseif ($this->implicitThrows) {
4808:	$methodReturnedType = $scope->getType($methodCall);
4809:	if (!(new ObjectType(Throwable::class))->isSuperTypeOf($methodReturnedType)->yes()) {
4810:	return InternalThrowPoint::createImplicit($scope, $methodCall);
4811:	}
4812:	}
4813:
4814:	return null;
4815:	}
4816:
4817:	/**
4818:	* @return InternalThrowPoint[]
4819:	*/
4820:	private function getPropertyReadThrowPointsFromGetHook(
4821:	MutatingScope $scope,
4822:	PropertyFetch $propertyFetch,
4823:	PhpPropertyReflection $propertyReflection,
4824:	): array
4825:	{
4826:	return $this->getThrowPointsFromPropertyHook($scope, $propertyFetch, $propertyReflection, 'get');
4827:	}
4828:
4829:	/**
4830:	* @return InternalThrowPoint[]
4831:	*/
4832:	private function getPropertyAssignThrowPointsFromSetHook(
4833:	MutatingScope $scope,
4834:	PropertyFetch $propertyFetch,
4835:	PhpPropertyReflection $propertyReflection,
4836:	): array
4837:	{
4838:	return $this->getThrowPointsFromPropertyHook($scope, $propertyFetch, $propertyReflection, 'set');
4839:	}
4840:
4841:	/**
4842:	* @param 'get'\|'set' $hookName
4843:	* @return InternalThrowPoint[]
4844:	*/
4845:	private function getThrowPointsFromPropertyHook(
4846:	MutatingScope $scope,
4847:	PropertyFetch $propertyFetch,
4848:	PhpPropertyReflection $propertyReflection,
4849:	string $hookName,
4850:	): array
4851:	{
4852:	$scopeFunction = $scope->getFunction();
4853:	if (
4854:	$scopeFunction instanceof PhpMethodFromParserNodeReflection
4855:	&& $scopeFunction->isPropertyHook()
4856:	&& $propertyFetch->var instanceof Variable
4857:	&& $propertyFetch->var->name === 'this'
4858:	&& $propertyFetch->name instanceof Identifier
4859:	&& $propertyFetch->name->toString() === $scopeFunction->getHookedPropertyName()
4860:	) {
4861:	return [];
4862:	}
4863:	$declaringClass = $propertyReflection->getDeclaringClass();
4864:	if (!$propertyReflection->hasHook($hookName)) {
4865:	if (
4866:	$propertyReflection->isPrivate()
4867:	\|\| $propertyReflection->isFinal()->yes()
4868:	\|\| $declaringClass->isFinal()
4869:	) {
4870:	return [];
4871:	}
4872:
4873:	if ($this->implicitThrows) {
4874:	return [InternalThrowPoint::createImplicit($scope, $propertyFetch)];
4875:	}
4876:
4877:	return [];
4878:	}
4879:
4880:	$getHook = $propertyReflection->getHook($hookName);
4881:	$throwType = $getHook->getThrowType();
4882:
4883:	if ($throwType !== null) {
4884:	if (!$throwType->isVoid()->yes()) {
4885:	return [InternalThrowPoint::createExplicit($scope, $throwType, $propertyFetch, true)];
4886:	}
4887:	} elseif ($this->implicitThrows) {
4888:	return [InternalThrowPoint::createImplicit($scope, $propertyFetch)];
4889:	}
4890:
4891:	return [];
4892:	}
4893:
4894:	/**
4895:	* @return string[]
4896:	*/
4897:	private function getAssignedVariables(Expr $expr): array
4898:	{
4899:	if ($expr instanceof Expr\Variable) {
4900:	if (is_string($expr->name)) {
4901:	return [$expr->name];
4902:	}
4903:
4904:	return [];
4905:	}
4906:
4907:	if ($expr instanceof Expr\List_) {
4908:	$names = [];
4909:	foreach ($expr->items as $item) {
4910:	if ($item === null) {
4911:	continue;
4912:	}
4913:
4914:	$names = array_merge($names, $this->getAssignedVariables($item->value));
4915:	}
4916:
4917:	return $names;
4918:	}
4919:
4920:	if ($expr instanceof ArrayDimFetch) {
4921:	return $this->getAssignedVariables($expr->var);
4922:	}
4923:
4924:	return [];
4925:	}
4926:
4927:	/**
4928:	* @param callable(Node $node, Scope $scope): void $nodeCallback
4929:	*/
4930:	private function callNodeCallbackWithExpression(
4931:	callable $nodeCallback,
4932:	Expr $expr,
4933:	MutatingScope $scope,
4934:	ExpressionResultStorage $storage,
4935:	ExpressionContext $context,
4936:	): void
4937:	{
4938:	if ($context->isDeep()) {
4939:	$scope = $scope->exitFirstLevelStatements();
4940:	}
4941:	$this->callNodeCallback($nodeCallback, $expr, $scope, $storage);
4942:	}
4943:
4944:	/**
4945:	* @param callable(Node $node, Scope $scope): void $nodeCallback
4946:	*/
4947:	protected function callNodeCallback(
4948:	callable $nodeCallback,
4949:	Node $node,
4950:	MutatingScope $scope,
4951:	ExpressionResultStorage $storage,
4952:	): void
4953:	{
4954:	$nodeCallback($node, $scope);
4955:	}
4956:
4957:	/**
4958:	* @param callable(Node $node, Scope $scope): void $nodeCallback
4959:	*/
4960:	private function processClosureNode(
4961:	Node\Stmt $stmt,
4962:	Expr\Closure $expr,
4963:	MutatingScope $scope,
4964:	ExpressionResultStorage $storage,
4965:	callable $nodeCallback,
4966:	ExpressionContext $context,
4967:	?Type $passedToType,
4968:	): ProcessClosureResult
4969:	{
4970:	foreach ($expr->params as $param) {
4971:	$this->processParamNode($stmt, $param, $scope, $storage, $nodeCallback);
4972:	}
4973:
4974:	$byRefUses = [];
4975:
4976:	$closureCallArgs = $expr->getAttribute(ClosureArgVisitor::ATTRIBUTE_NAME);
4977:	$callableParameters = $this->createCallableParameters(
4978:	$scope,
4979:	$expr,
4980:	$closureCallArgs,
4981:	$passedToType,
4982:	);
4983:
4984:	$useScope = $scope;
4985:	foreach ($expr->uses as $use) {
4986:	if ($use->byRef) {
4987:	$byRefUses[] = $use;
4988:	$useScope = $useScope->enterExpressionAssign($use->var);
4989:
4990:	$inAssignRightSideVariableName = $context->getInAssignRightSideVariableName();
4991:	$inAssignRightSideExpr = $context->getInAssignRightSideExpr();
4992:	if (
4993:	$inAssignRightSideVariableName === $use->var->name
4994:	&& $inAssignRightSideExpr !== null
4995:	) {
4996:	$inAssignRightSideType = $scope->getType($inAssignRightSideExpr);
4997:	if ($inAssignRightSideType instanceof ClosureType) {
4998:	$variableType = $inAssignRightSideType;
4999:	} else {
5000:	$alreadyHasVariableType = $scope->hasVariableType($inAssignRightSideVariableName);
5001:	if ($alreadyHasVariableType->no()) {
5002:	$variableType = TypeCombinator::union(new NullType(), $inAssignRightSideType);
5003:	} else {
5004:	$variableType = TypeCombinator::union($scope->getVariableType($inAssignRightSideVariableName), $inAssignRightSideType);
5005:	}
5006:	}
5007:	$inAssignRightSideNativeType = $scope->getNativeType($inAssignRightSideExpr);
5008:	if ($inAssignRightSideNativeType instanceof ClosureType) {
5009:	$variableNativeType = $inAssignRightSideNativeType;
5010:	} else {
5011:	$alreadyHasVariableType = $scope->hasVariableType($inAssignRightSideVariableName);
5012:	if ($alreadyHasVariableType->no()) {
5013:	$variableNativeType = TypeCombinator::union(new NullType(), $inAssignRightSideNativeType);
5014:	} else {
5015:	$variableNativeType = TypeCombinator::union($scope->getVariableType($inAssignRightSideVariableName), $inAssignRightSideNativeType);
5016:	}
5017:	}
5018:	$scope = $scope->assignVariable($inAssignRightSideVariableName, $variableType, $variableNativeType, TrinaryLogic::createYes());
5019:	}
5020:	}
5021:	$this->processExprNode($stmt, $use->var, $useScope, $storage, $nodeCallback, $context);
5022:	if (!$use->byRef) {
5023:	continue;
5024:	}
5025:
5026:	$useScope = $useScope->exitExpressionAssign($use->var);
5027:	}
5028:
5029:	if ($expr->returnType !== null) {
5030:	$this->callNodeCallback($nodeCallback, $expr->returnType, $scope, $storage);
5031:	}
5032:
5033:	$closureScope = $scope->enterAnonymousFunction($expr, $callableParameters);
5034:	$closureScope = $closureScope->processClosureScope($scope, null, $byRefUses);
5035:	$closureType = $closureScope->getAnonymousFunctionReflection();
5036:	if (!$closureType instanceof ClosureType) {
5037:	throw new ShouldNotHappenException();
5038:	}
5039:
5040:	$returnType = $closureType->getReturnType();
5041:	$isAlwaysTerminating = ($returnType instanceof NeverType && $returnType->isExplicit());
5042:
5043:	$this->callNodeCallback($nodeCallback, new InClosureNode($closureType, $expr), $closureScope, $storage);
5044:
5045:	$executionEnds = [];
5046:	$gatheredReturnStatements = [];
5047:	$gatheredYieldStatements = [];
5048:	$closureImpurePoints = [];
5049:	$invalidateExpressions = [];
5050:	$closureStmtsCallback = static function (Node $node, Scope $scope) use ($nodeCallback, &$executionEnds, &$gatheredReturnStatements, &$gatheredYieldStatements, &$closureScope, &$closureImpurePoints, &$invalidateExpressions): void {
5051:	$nodeCallback($node, $scope);
5052:	if ($scope->getAnonymousFunctionReflection() !== $closureScope->getAnonymousFunctionReflection()) {
5053:	return;
5054:	}
5055:	if ($node instanceof PropertyAssignNode) {
5056:	$closureImpurePoints[] = new ImpurePoint(
5057:	$scope,
5058:	$node,
5059:	'propertyAssign',
5060:	'property assignment',
5061:	true,
5062:	);
5063:	return;
5064:	}
5065:	if ($node instanceof ExecutionEndNode) {
5066:	$executionEnds[] = $node;
5067:	return;
5068:	}
5069:	if ($node instanceof InvalidateExprNode) {
5070:	$invalidateExpressions[] = $node;
5071:	return;
5072:	}
5073:	if ($node instanceof Expr\Yield_ \|\| $node instanceof Expr\YieldFrom) {
5074:	$gatheredYieldStatements[] = $node;
5075:	}
5076:	if (!$node instanceof Return_) {
5077:	return;
5078:	}
5079:
5080:	$gatheredReturnStatements[] = new ReturnStatement($scope, $node);
5081:	};
5082:
5083:	if (count($byRefUses) === 0) {
5084:	$statementResult = $this->processStmtNodesInternalWithoutFlushingPendingFibers($expr, $expr->stmts, $closureScope, $storage, $closureStmtsCallback, StatementContext::createTopLevel());
5085:	$publicStatementResult = $statementResult->toPublic();
5086:	$this->callNodeCallback($nodeCallback, new ClosureReturnStatementsNode(
5087:	$expr,
5088:	$gatheredReturnStatements,
5089:	$gatheredYieldStatements,
5090:	$publicStatementResult,
5091:	$executionEnds,
5092:	array_merge($publicStatementResult->getImpurePoints(), $closureImpurePoints),
5093:	), $closureScope, $storage);
5094:
5095:	return new ProcessClosureResult($scope, $statementResult->getThrowPoints(), $statementResult->getImpurePoints(), $invalidateExpressions, $isAlwaysTerminating);
5096:	}
5097:
5098:	$originalStorage = $storage;
5099:
5100:	$count = 0;
5101:	$closureResultScope = null;
5102:	do {
5103:	$prevScope = $closureScope;
5104:
5105:	$storage = $originalStorage->duplicate();
5106:	$intermediaryClosureScopeResult = $this->processStmtNodesInternalWithoutFlushingPendingFibers($expr, $expr->stmts, $closureScope, $storage, new NoopNodeCallback(), StatementContext::createTopLevel());
5107:	$intermediaryClosureScope = $intermediaryClosureScopeResult->getScope();
5108:	foreach ($intermediaryClosureScopeResult->getExitPoints() as $exitPoint) {
5109:	$intermediaryClosureScope = $intermediaryClosureScope->mergeWith($exitPoint->getScope());
5110:	}
5111:
5112:	if ($expr->getAttribute(ImmediatelyInvokedClosureVisitor::ATTRIBUTE_NAME) === true) {
5113:	$closureResultScope = $intermediaryClosureScope;
5114:	break;
5115:	}
5116:
5117:	$closureScope = $scope->enterAnonymousFunction($expr, $callableParameters);
5118:	$closureScope = $closureScope->processClosureScope($intermediaryClosureScope, $prevScope, $byRefUses);
5119:
5120:	if ($closureScope->equals($prevScope)) {
5121:	break;
5122:	}
5123:	if ($count >= self::GENERALIZE_AFTER_ITERATION) {
5124:	$closureScope = $prevScope->generalizeWith($closureScope);
5125:	}
5126:	$count++;
5127:	} while ($count < self::LOOP_SCOPE_ITERATIONS);
5128:
5129:	if ($closureResultScope === null) {
5130:	$closureResultScope = $closureScope;
5131:	}
5132:
5133:	$storage = $originalStorage;
5134:	$statementResult = $this->processStmtNodesInternalWithoutFlushingPendingFibers($expr, $expr->stmts, $closureScope, $storage, $closureStmtsCallback, StatementContext::createTopLevel());
5135:	$publicStatementResult = $statementResult->toPublic();
5136:	$this->callNodeCallback($nodeCallback, new ClosureReturnStatementsNode(
5137:	$expr,
5138:	$gatheredReturnStatements,
5139:	$gatheredYieldStatements,
5140:	$publicStatementResult,
5141:	$executionEnds,
5142:	array_merge($publicStatementResult->getImpurePoints(), $closureImpurePoints),
5143:	), $closureScope, $storage);
5144:
5145:	return new ProcessClosureResult($scope->processClosureScope($closureResultScope, null, $byRefUses), $statementResult->getThrowPoints(), $statementResult->getImpurePoints(), $invalidateExpressions, $isAlwaysTerminating);
5146:	}
5147:
5148:	/**
5149:	* @param InvalidateExprNode[] $invalidatedExpressions
5150:	* @param string[] $uses
5151:	*/
5152:	private function processImmediatelyCalledCallable(MutatingScope $scope, array $invalidatedExpressions, array $uses): MutatingScope
5153:	{
5154:	if ($scope->isInClass()) {
5155:	$uses[] = 'this';
5156:	}
5157:
5158:	$finder = new NodeFinder();
5159:	foreach ($invalidatedExpressions as $invalidateExpression) {
5160:	$result = $finder->findFirst([$invalidateExpression->getExpr()], static fn ($node) => $node instanceof Variable && in_array($node->name, $uses, true));
5161:	if ($result === null) {
5162:	continue;
5163:	}
5164:
5165:	$scope = $scope->invalidateExpression($invalidateExpression->getExpr(), true);
5166:	}
5167:
5168:	return $scope;
5169:	}
5170:
5171:	/**
5172:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5173:	*/
5174:	private function processArrowFunctionNode(
5175:	Node\Stmt $stmt,
5176:	Expr\ArrowFunction $expr,
5177:	MutatingScope $scope,
5178:	ExpressionResultStorage $storage,
5179:	callable $nodeCallback,
5180:	?Type $passedToType,
5181:	): ExpressionResult
5182:	{
5183:	foreach ($expr->params as $param) {
5184:	$this->processParamNode($stmt, $param, $scope, $storage, $nodeCallback);
5185:	}
5186:	if ($expr->returnType !== null) {
5187:	$this->callNodeCallback($nodeCallback, $expr->returnType, $scope, $storage);
5188:	}
5189:
5190:	$arrowFunctionCallArgs = $expr->getAttribute(ArrowFunctionArgVisitor::ATTRIBUTE_NAME);
5191:	$arrowFunctionScope = $scope->enterArrowFunction($expr, $this->createCallableParameters(
5192:	$scope,
5193:	$expr,
5194:	$arrowFunctionCallArgs,
5195:	$passedToType,
5196:	));
5197:	$arrowFunctionType = $arrowFunctionScope->getAnonymousFunctionReflection();
5198:	if ($arrowFunctionType === null) {
5199:	throw new ShouldNotHappenException();
5200:	}
5201:	$this->callNodeCallback($nodeCallback, new InArrowFunctionNode($arrowFunctionType, $expr), $arrowFunctionScope, $storage);
5202:	$exprResult = $this->processExprNode($stmt, $expr->expr, $arrowFunctionScope, $storage, $nodeCallback, ExpressionContext::createTopLevel());
5203:
5204:	return new ExpressionResult($scope, false, $exprResult->isAlwaysTerminating(), $exprResult->getThrowPoints(), $exprResult->getImpurePoints());
5205:	}
5206:
5207:	/**
5208:	* @param Node\Arg[] $args
5209:	* @return ParameterReflection[]\|null
5210:	*/
5211:	public function createCallableParameters(Scope $scope, Expr $closureExpr, ?array $args, ?Type $passedToType): ?array
5212:	{
5213:	$callableParameters = null;
5214:	if ($args !== null) {
5215:	$closureType = $scope->getType($closureExpr);
5216:
5217:	if ($closureType->isCallable()->no()) {
5218:	return null;
5219:	}
5220:
5221:	$acceptors = $closureType->getCallableParametersAcceptors($scope);
5222:	if (count($acceptors) === 1) {
5223:	$callableParameters = $acceptors[0]->getParameters();
5224:
5225:	foreach ($callableParameters as $index => $callableParameter) {
5226:	if (!isset($args[$index])) {
5227:	continue;
5228:	}
5229:
5230:	$type = $scope->getType($args[$index]->value);
5231:	$callableParameters[$index] = new NativeParameterReflection(
5232:	$callableParameter->getName(),
5233:	$callableParameter->isOptional(),
5234:	$type,
5235:	$callableParameter->passedByReference(),
5236:	$callableParameter->isVariadic(),
5237:	$callableParameter->getDefaultValue(),
5238:	);
5239:	}
5240:	}
5241:	} elseif ($passedToType !== null && !$passedToType->isCallable()->no()) {
5242:	if ($passedToType instanceof UnionType) {
5243:	$passedToType = $passedToType->filterTypes(static fn (Type $innerType) => $innerType->isCallable()->yes());
5244:
5245:	if ($passedToType->isCallable()->no()) {
5246:	return null;
5247:	}
5248:	}
5249:
5250:	$acceptors = $passedToType->getCallableParametersAcceptors($scope);
5251:	foreach ($acceptors as $acceptor) {
5252:	if ($callableParameters === null) {
5253:	$callableParameters = array_map(static fn (ParameterReflection $callableParameter) => new NativeParameterReflection(
5254:	$callableParameter->getName(),
5255:	$callableParameter->isOptional(),
5256:	$callableParameter->getType(),
5257:	$callableParameter->passedByReference(),
5258:	$callableParameter->isVariadic(),
5259:	$callableParameter->getDefaultValue(),
5260:	), $acceptor->getParameters());
5261:	continue;
5262:	}
5263:
5264:	$newParameters = [];
5265:	foreach ($acceptor->getParameters() as $i => $callableParameter) {
5266:	if (!array_key_exists($i, $callableParameters)) {
5267:	$newParameters[] = $callableParameter;
5268:	continue;
5269:	}
5270:
5271:	$newParameters[] = $callableParameters[$i]->union(new NativeParameterReflection(
5272:	$callableParameter->getName(),
5273:	$callableParameter->isOptional(),
5274:	$callableParameter->getType(),
5275:	$callableParameter->passedByReference(),
5276:	$callableParameter->isVariadic(),
5277:	$callableParameter->getDefaultValue(),
5278:	));
5279:	}
5280:
5281:	$callableParameters = $newParameters;
5282:	}
5283:	}
5284:
5285:	return $callableParameters;
5286:	}
5287:
5288:	/**
5289:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5290:	*/
5291:	private function processParamNode(
5292:	Node\Stmt $stmt,
5293:	Node\Param $param,
5294:	MutatingScope $scope,
5295:	ExpressionResultStorage $storage,
5296:	callable $nodeCallback,
5297:	): void
5298:	{
5299:	$this->processAttributeGroups($stmt, $param->attrGroups, $scope, $storage, $nodeCallback);
5300:	$this->callNodeCallback($nodeCallback, $param, $scope, $storage);
5301:	if ($param->type !== null) {
5302:	$this->callNodeCallback($nodeCallback, $param->type, $scope, $storage);
5303:	}
5304:	if ($param->default === null) {
5305:	return;
5306:	}
5307:
5308:	$this->processExprNode($stmt, $param->default, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
5309:	}
5310:
5311:	/**
5312:	* @param AttributeGroup[] $attrGroups
5313:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5314:	*/
5315:	private function processAttributeGroups(
5316:	Node\Stmt $stmt,
5317:	array $attrGroups,
5318:	MutatingScope $scope,
5319:	ExpressionResultStorage $storage,
5320:	callable $nodeCallback,
5321:	): void
5322:	{
5323:	foreach ($attrGroups as $attrGroup) {
5324:	foreach ($attrGroup->attrs as $attr) {
5325:	$className = $scope->resolveName($attr->name);
5326:	if ($this->reflectionProvider->hasClass($className)) {
5327:	$classReflection = $this->reflectionProvider->getClass($className);
5328:	if ($classReflection->hasConstructor()) {
5329:	$constructorReflection = $classReflection->getConstructor();
5330:	$parametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
5331:	$scope,
5332:	$attr->args,
5333:	$constructorReflection->getVariants(),
5334:	$constructorReflection->getNamedArgumentsVariants(),
5335:	);
5336:	$expr = new New_($attr->name, $attr->args);
5337:	$expr = ArgumentsNormalizer::reorderNewArguments($parametersAcceptor, $expr) ?? $expr;
5338:	$this->processArgs($stmt, $constructorReflection, null, $parametersAcceptor, $expr, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
5339:	$this->callNodeCallback($nodeCallback, $attr, $scope, $storage);
5340:	continue;
5341:	}
5342:	}
5343:
5344:	foreach ($attr->args as $arg) {
5345:	$this->processExprNode($stmt, $arg->value, $scope, $storage, $nodeCallback, ExpressionContext::createDeep());
5346:	$this->callNodeCallback($nodeCallback, $arg, $scope, $storage);
5347:	}
5348:	$this->callNodeCallback($nodeCallback, $attr, $scope, $storage);
5349:	}
5350:	$this->callNodeCallback($nodeCallback, $attrGroup, $scope, $storage);
5351:	}
5352:	}
5353:
5354:	/**
5355:	* @param Node\PropertyHook[] $hooks
5356:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5357:	*/
5358:	private function processPropertyHooks(
5359:	Node\Stmt $stmt,
5360:	Identifier\|Name\|ComplexType\|null $nativeTypeNode,
5361:	?Type $phpDocType,
5362:	string $propertyName,
5363:	array $hooks,
5364:	MutatingScope $scope,
5365:	ExpressionResultStorage $storage,
5366:	callable $nodeCallback,
5367:	): void
5368:	{
5369:	if (!$scope->isInClass()) {
5370:	throw new ShouldNotHappenException();
5371:	}
5372:
5373:	$classReflection = $scope->getClassReflection();
5374:
5375:	foreach ($hooks as $hook) {
5376:	$this->callNodeCallback($nodeCallback, $hook, $scope, $storage);
5377:	$this->processAttributeGroups($stmt, $hook->attrGroups, $scope, $storage, $nodeCallback);
5378:
5379:	[, $phpDocParameterTypes,,,, $phpDocThrowType,,,,,,,, $phpDocComment] = $this->getPhpDocs($scope, $hook);
5380:
5381:	foreach ($hook->params as $param) {
5382:	$this->processParamNode($stmt, $param, $scope, $storage, $nodeCallback);
5383:	}
5384:
5385:	[$isDeprecated, $deprecatedDescription] = $this->getDeprecatedAttribute($scope, $hook);
5386:
5387:	$hookScope = $scope->enterPropertyHook(
5388:	$hook,
5389:	$propertyName,
5390:	$nativeTypeNode,
5391:	$phpDocType,
5392:	$phpDocParameterTypes,
5393:	$phpDocThrowType,
5394:	$deprecatedDescription,
5395:	$isDeprecated,
5396:	$phpDocComment,
5397:	);
5398:	$hookReflection = $hookScope->getFunction();
5399:	if (!$hookReflection instanceof PhpMethodFromParserNodeReflection) {
5400:	throw new ShouldNotHappenException();
5401:	}
5402:
5403:	if (!$classReflection->hasNativeProperty($propertyName)) {
5404:	throw new ShouldNotHappenException();
5405:	}
5406:
5407:	$propertyReflection = $classReflection->getNativeProperty($propertyName);
5408:
5409:	$this->callNodeCallback($nodeCallback, new InPropertyHookNode(
5410:	$classReflection,
5411:	$hookReflection,
5412:	$propertyReflection,
5413:	$hook,
5414:	), $hookScope, $storage);
5415:
5416:	$stmts = $hook->getStmts();
5417:	if ($stmts === null) {
5418:	return;
5419:	}
5420:
5421:	if ($hook->body instanceof Expr) {
5422:	// enrich attributes of nodes in short hook body statements
5423:	$traverser = new NodeTraverser(
5424:	new LineAttributesVisitor($hook->body->getStartLine(), $hook->body->getEndLine()),
5425:	);
5426:	$traverser->traverse($stmts);
5427:	}
5428:
5429:	$gatheredReturnStatements = [];
5430:	$executionEnds = [];
5431:	$methodImpurePoints = [];
5432:	$statementResult = $this->processStmtNodesInternal(new PropertyHookStatementNode($hook), $stmts, $hookScope, $storage, static function (Node $node, Scope $scope) use ($nodeCallback, $hookScope, &$gatheredReturnStatements, &$executionEnds, &$hookImpurePoints): void {
5433:	$nodeCallback($node, $scope);
5434:	if ($scope->getFunction() !== $hookScope->getFunction()) {
5435:	return;
5436:	}
5437:	if ($scope->isInAnonymousFunction()) {
5438:	return;
5439:	}
5440:	if ($node instanceof PropertyAssignNode) {
5441:	$hookImpurePoints[] = new ImpurePoint(
5442:	$scope,
5443:	$node,
5444:	'propertyAssign',
5445:	'property assignment',
5446:	true,
5447:	);
5448:	return;
5449:	}
5450:	if ($node instanceof ExecutionEndNode) {
5451:	$executionEnds[] = $node;
5452:	return;
5453:	}
5454:	if (!$node instanceof Return_) {
5455:	return;
5456:	}
5457:
5458:	$gatheredReturnStatements[] = new ReturnStatement($scope, $node);
5459:	}, StatementContext::createTopLevel())->toPublic();
5460:
5461:	$this->callNodeCallback($nodeCallback, new PropertyHookReturnStatementsNode(
5462:	$hook,
5463:	$gatheredReturnStatements,
5464:	$statementResult,
5465:	$executionEnds,
5466:	array_merge($statementResult->getImpurePoints(), $methodImpurePoints),
5467:	$classReflection,
5468:	$hookReflection,
5469:	$propertyReflection,
5470:	), $hookScope, $storage);
5471:	}
5472:	}
5473:
5474:	/**
5475:	* @param FunctionReflection\|MethodReflection\|null $calleeReflection
5476:	*/
5477:	private function resolveClosureThisType(
5478:	?CallLike $call,
5479:	$calleeReflection,
5480:	ParameterReflection $parameter,
5481:	MutatingScope $scope,
5482:	): ?Type
5483:	{
5484:	if ($call instanceof FuncCall && $calleeReflection instanceof FunctionReflection) {
5485:	foreach ($this->parameterClosureThisExtensionProvider->getFunctionParameterClosureThisExtensions() as $extension) {
5486:	if (! $extension->isFunctionSupported($calleeReflection, $parameter)) {
5487:	continue;
5488:	}
5489:	$type = $extension->getClosureThisTypeFromFunctionCall($calleeReflection, $call, $parameter, $scope);
5490:	if ($type !== null) {
5491:	return $type;
5492:	}
5493:	}
5494:	} elseif ($call instanceof StaticCall && $calleeReflection instanceof MethodReflection) {
5495:	foreach ($this->parameterClosureThisExtensionProvider->getStaticMethodParameterClosureThisExtensions() as $extension) {
5496:	if (! $extension->isStaticMethodSupported($calleeReflection, $parameter)) {
5497:	continue;
5498:	}
5499:	$type = $extension->getClosureThisTypeFromStaticMethodCall($calleeReflection, $call, $parameter, $scope);
5500:	if ($type !== null) {
5501:	return $type;
5502:	}
5503:	}
5504:	} elseif ($call instanceof MethodCall && $calleeReflection instanceof MethodReflection) {
5505:	foreach ($this->parameterClosureThisExtensionProvider->getMethodParameterClosureThisExtensions() as $extension) {
5506:	if (! $extension->isMethodSupported($calleeReflection, $parameter)) {
5507:	continue;
5508:	}
5509:	$type = $extension->getClosureThisTypeFromMethodCall($calleeReflection, $call, $parameter, $scope);
5510:	if ($type !== null) {
5511:	return $type;
5512:	}
5513:	}
5514:	}
5515:
5516:	if ($parameter instanceof ExtendedParameterReflection) {
5517:	return $parameter->getClosureThisType();
5518:	}
5519:
5520:	return null;
5521:	}
5522:
5523:	/**
5524:	* @param MethodReflection\|FunctionReflection\|null $calleeReflection
5525:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5526:	*/
5527:	private function processArgs(
5528:	Node\Stmt $stmt,
5529:	$calleeReflection,
5530:	?ExtendedMethodReflection $nakedMethodReflection,
5531:	?ParametersAcceptor $parametersAcceptor,
5532:	CallLike $callLike,
5533:	MutatingScope $scope,
5534:	ExpressionResultStorage $storage,
5535:	callable $nodeCallback,
5536:	ExpressionContext $context,
5537:	?MutatingScope $closureBindScope = null,
5538:	): ExpressionResult
5539:	{
5540:	$args = $callLike->getArgs();
5541:
5542:	$parameters = null;
5543:	if ($parametersAcceptor !== null) {
5544:	$parameters = $parametersAcceptor->getParameters();
5545:	}
5546:
5547:	$hasYield = false;
5548:	$throwPoints = [];
5549:	$impurePoints = [];
5550:	$isAlwaysTerminating = false;
5551:	foreach ($args as $i => $arg) {
5552:	$assignByReference = false;
5553:	$parameter = null;
5554:	$parameterType = null;
5555:	$parameterNativeType = null;
5556:	if ($parameters !== null) {
5557:	$matchedParameter = null;
5558:	if ($arg->name !== null) {
5559:	foreach ($parameters as $p) {
5560:	if ($p->getName() === $arg->name->toString()) {
5561:	$matchedParameter = $p;
5562:	break;
5563:	}
5564:	}
5565:	} elseif (isset($parameters[$i])) {
5566:	$matchedParameter = $parameters[$i];
5567:	}
5568:
5569:	if ($matchedParameter !== null) {
5570:	$assignByReference = $matchedParameter->passedByReference()->createsNewVariable();
5571:	$parameterType = $matchedParameter->getType();
5572:
5573:	if ($matchedParameter instanceof ExtendedParameterReflection) {
5574:	$parameterNativeType = $matchedParameter->getNativeType();
5575:	}
5576:	$parameter = $matchedParameter;
5577:	} elseif (count($parameters) > 0 && $parametersAcceptor->isVariadic()) {
5578:	$lastParameter = array_last($parameters);
5579:	$assignByReference = $lastParameter->passedByReference()->createsNewVariable();
5580:	$parameterType = $lastParameter->getType();
5581:
5582:	if ($lastParameter instanceof ExtendedParameterReflection) {
5583:	$parameterNativeType = $lastParameter->getNativeType();
5584:	}
5585:	$parameter = $lastParameter;
5586:	}
5587:	}
5588:
5589:	$lookForUnset = false;
5590:	if ($assignByReference) {
5591:	$isBuiltin = false;
5592:	if ($calleeReflection instanceof FunctionReflection && $calleeReflection->isBuiltin()) {
5593:	$isBuiltin = true;
5594:	} elseif ($calleeReflection instanceof ExtendedMethodReflection && $calleeReflection->getDeclaringClass()->isBuiltin()) {
5595:	$isBuiltin = true;
5596:	}
5597:	if (
5598:	$isBuiltin
5599:	\|\| ($parameterNativeType === null \|\| !$parameterNativeType->isNull()->no())
5600:	) {
5601:	$scope = $this->lookForSetAllowedUndefinedExpressions($scope, $arg->value);
5602:	$lookForUnset = true;
5603:	}
5604:	}
5605:
5606:	$originalArg = $arg->getAttribute(ArgumentsNormalizer::ORIGINAL_ARG_ATTRIBUTE) ?? $arg;
5607:	if ($calleeReflection !== null) {
5608:	$rememberTypes = !$originalArg->value instanceof Expr\Closure && !$originalArg->value instanceof Expr\ArrowFunction;
5609:	$scope = $scope->pushInFunctionCall($calleeReflection, $parameter, $rememberTypes);
5610:	}
5611:
5612:	$this->callNodeCallback($nodeCallback, $originalArg, $scope, $storage);
5613:
5614:	$originalScope = $scope;
5615:	$scopeToPass = $scope;
5616:	if ($i === 0 && $closureBindScope !== null) {
5617:	$scopeToPass = $closureBindScope;
5618:	}
5619:
5620:	if ($arg->value instanceof Expr\Closure) {
5621:	$restoreThisScope = null;
5622:	if (
5623:	$closureBindScope === null
5624:	&& $parameter instanceof ExtendedParameterReflection
5625:	&& !$arg->value->static
5626:	) {
5627:	$closureThisType = $this->resolveClosureThisType($callLike, $calleeReflection, $parameter, $scopeToPass);
5628:	if ($closureThisType !== null) {
5629:	$restoreThisScope = $scopeToPass;
5630:	$scopeToPass = $scopeToPass->assignVariable('this', $closureThisType, new ObjectWithoutClassType(), TrinaryLogic::createYes());
5631:	}
5632:	}
5633:
5634:	if ($parameter !== null) {
5635:	$overwritingParameterType = $this->getParameterTypeFromParameterClosureTypeExtension($callLike, $calleeReflection, $parameter, $scopeToPass);
5636:
5637:	if ($overwritingParameterType !== null) {
5638:	$parameterType = $overwritingParameterType;
5639:	}
5640:	}
5641:
5642:	$this->callNodeCallbackWithExpression($nodeCallback, $arg->value, $scopeToPass, $storage, $context);
5643:	$closureResult = $this->processClosureNode($stmt, $arg->value, $scopeToPass, $storage, $nodeCallback, $context, $parameterType ?? null);
5644:	if ($this->callCallbackImmediately($parameter, $parameterType, $calleeReflection)) {
5645:	$throwPoints = array_merge($throwPoints, array_map(static fn (InternalThrowPoint $throwPoint) => $throwPoint->isExplicit() ? InternalThrowPoint::createExplicit($scope, $throwPoint->getType(), $arg->value, $throwPoint->canContainAnyThrowable()) : InternalThrowPoint::createImplicit($scope, $arg->value), $closureResult->getThrowPoints()));
5646:	$impurePoints = array_merge($impurePoints, $closureResult->getImpurePoints());
5647:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $closureResult->isAlwaysTerminating();
5648:	}
5649:
5650:	$this->storeBeforeScope($storage, $arg->value, $scopeToPass);
5651:
5652:	$uses = [];
5653:	foreach ($arg->value->uses as $use) {
5654:	if (!is_string($use->var->name)) {
5655:	continue;
5656:	}
5657:
5658:	$uses[] = $use->var->name;
5659:	}
5660:
5661:	$scope = $closureResult->getScope();
5662:	$invalidateExpressions = $closureResult->getInvalidateExpressions();
5663:	if ($restoreThisScope !== null) {
5664:	$nodeFinder = new NodeFinder();
5665:	$cb = static fn ($expr) => $expr instanceof Variable && $expr->name === 'this';
5666:	foreach ($invalidateExpressions as $j => $invalidateExprNode) {
5667:	$foundThis = $nodeFinder->findFirst([$invalidateExprNode->getExpr()], $cb);
5668:	if ($foundThis === null) {
5669:	continue;
5670:	}
5671:
5672:	unset($invalidateExpressions[$j]);
5673:	}
5674:	$invalidateExpressions = array_values($invalidateExpressions);
5675:	$scope = $scope->restoreThis($restoreThisScope);
5676:	}
5677:
5678:	$scope = $this->processImmediatelyCalledCallable($scope, $invalidateExpressions, $uses);
5679:	} elseif ($arg->value instanceof Expr\ArrowFunction) {
5680:	if (
5681:	$closureBindScope === null
5682:	&& $parameter instanceof ExtendedParameterReflection
5683:	&& !$arg->value->static
5684:	) {
5685:	$closureThisType = $this->resolveClosureThisType($callLike, $calleeReflection, $parameter, $scopeToPass);
5686:	if ($closureThisType !== null) {
5687:	$scopeToPass = $scopeToPass->assignVariable('this', $closureThisType, new ObjectWithoutClassType(), TrinaryLogic::createYes());
5688:	}
5689:	}
5690:
5691:	if ($parameter !== null) {
5692:	$overwritingParameterType = $this->getParameterTypeFromParameterClosureTypeExtension($callLike, $calleeReflection, $parameter, $scopeToPass);
5693:
5694:	if ($overwritingParameterType !== null) {
5695:	$parameterType = $overwritingParameterType;
5696:	}
5697:	}
5698:
5699:	$this->callNodeCallbackWithExpression($nodeCallback, $arg->value, $scopeToPass, $storage, $context);
5700:	$arrowFunctionResult = $this->processArrowFunctionNode($stmt, $arg->value, $scopeToPass, $storage, $nodeCallback, $parameterType ?? null);
5701:	if ($this->callCallbackImmediately($parameter, $parameterType, $calleeReflection)) {
5702:	$throwPoints = array_merge($throwPoints, array_map(static fn (InternalThrowPoint $throwPoint) => $throwPoint->isExplicit() ? InternalThrowPoint::createExplicit($scope, $throwPoint->getType(), $arg->value, $throwPoint->canContainAnyThrowable()) : InternalThrowPoint::createImplicit($scope, $arg->value), $arrowFunctionResult->getThrowPoints()));
5703:	$impurePoints = array_merge($impurePoints, $arrowFunctionResult->getImpurePoints());
5704:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $arrowFunctionResult->isAlwaysTerminating();
5705:	}
5706:	$this->storeBeforeScope($storage, $arg->value, $scopeToPass);
5707:	} else {
5708:	$exprType = $scope->getType($arg->value);
5709:	$exprResult = $this->processExprNode($stmt, $arg->value, $scopeToPass, $storage, $nodeCallback, $context->enterDeep());
5710:	$throwPoints = array_merge($throwPoints, $exprResult->getThrowPoints());
5711:	$impurePoints = array_merge($impurePoints, $exprResult->getImpurePoints());
5712:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $exprResult->isAlwaysTerminating();
5713:	$scope = $exprResult->getScope();
5714:	$hasYield = $hasYield \|\| $exprResult->hasYield();
5715:
5716:	if ($exprType->isCallable()->yes()) {
5717:	$acceptors = $exprType->getCallableParametersAcceptors($scope);
5718:	if (count($acceptors) === 1) {
5719:	$scope = $this->processImmediatelyCalledCallable($scope, $acceptors[0]->getInvalidateExpressions(), $acceptors[0]->getUsedVariables());
5720:	if ($this->callCallbackImmediately($parameter, $parameterType, $calleeReflection)) {
5721:	$callableThrowPoints = array_map(static fn (SimpleThrowPoint $throwPoint) => $throwPoint->isExplicit() ? InternalThrowPoint::createExplicit($scope, $throwPoint->getType(), $arg->value, $throwPoint->canContainAnyThrowable()) : InternalThrowPoint::createImplicit($scope, $arg->value), $acceptors[0]->getThrowPoints());
5722:	if (!$this->implicitThrows) {
5723:	$callableThrowPoints = array_values(array_filter($callableThrowPoints, static fn (InternalThrowPoint $throwPoint) => $throwPoint->isExplicit()));
5724:	}
5725:	$throwPoints = array_merge($throwPoints, $callableThrowPoints);
5726:	$impurePoints = array_merge($impurePoints, array_map(static fn (SimpleImpurePoint $impurePoint) => new ImpurePoint($scope, $arg->value, $impurePoint->getIdentifier(), $impurePoint->getDescription(), $impurePoint->isCertain()), $acceptors[0]->getImpurePoints()));
5727:	$returnType = $acceptors[0]->getReturnType();
5728:	$isAlwaysTerminating = $isAlwaysTerminating \|\| ($returnType instanceof NeverType && $returnType->isExplicit());
5729:	}
5730:	}
5731:	}
5732:	}
5733:
5734:	if ($assignByReference && $lookForUnset) {
5735:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $arg->value);
5736:	}
5737:
5738:	if ($calleeReflection !== null) {
5739:	$scope = $scope->popInFunctionCall();
5740:	}
5741:
5742:	if ($i !== 0 \|\| $closureBindScope === null) {
5743:	continue;
5744:	}
5745:
5746:	$scope = $scope->restoreOriginalScopeAfterClosureBind($originalScope);
5747:	}
5748:
5749:	if ($parameters !== null) {
5750:	foreach ($args as $i => $arg) {
5751:	$assignByReference = false;
5752:	$currentParameter = null;
5753:	if (isset($parameters[$i])) {
5754:	$currentParameter = $parameters[$i];
5755:	} elseif (count($parameters) > 0 && $parametersAcceptor->isVariadic()) {
5756:	$currentParameter = array_last($parameters);
5757:	}
5758:
5759:	if ($currentParameter !== null) {
5760:	$assignByReference = $currentParameter->passedByReference()->createsNewVariable();
5761:	}
5762:
5763:	if ($assignByReference) {
5764:	if ($currentParameter === null) {
5765:	throw new ShouldNotHappenException();
5766:	}
5767:
5768:	$argValue = $arg->value;
5769:	if (!$argValue instanceof Variable \|\| $argValue->name !== 'this') {
5770:	$paramOutType = $this->getParameterOutExtensionsType($callLike, $calleeReflection, $currentParameter, $scope);
5771:	if ($paramOutType !== null) {
5772:	$byRefType = $paramOutType;
5773:	} elseif (
5774:	$currentParameter instanceof ExtendedParameterReflection
5775:	&& $currentParameter->getOutType() !== null
5776:	) {
5777:	$byRefType = $currentParameter->getOutType();
5778:	} elseif (
5779:	$calleeReflection instanceof MethodReflection
5780:	&& !$calleeReflection->getDeclaringClass()->isBuiltin()
5781:	) {
5782:	$byRefType = $currentParameter->getType();
5783:	} elseif (
5784:	$calleeReflection instanceof FunctionReflection
5785:	&& !$calleeReflection->isBuiltin()
5786:	) {
5787:	$byRefType = $currentParameter->getType();
5788:	} else {
5789:	$byRefType = new MixedType();
5790:	}
5791:
5792:	$scope = $this->processVirtualAssign(
5793:	$scope,
5794:	$storage,
5795:	$stmt,
5796:	$argValue,
5797:	new TypeExpr($byRefType),
5798:	$nodeCallback,
5799:	)->getScope();
5800:	$scope = $this->lookForUnsetAllowedUndefinedExpressions($scope, $argValue);
5801:	}
5802:	} elseif ($calleeReflection !== null && $calleeReflection->hasSideEffects()->yes()) {
5803:	$argType = $scope->getType($arg->value);
5804:	if (!$argType->isObject()->no()) {
5805:	$nakedReturnType = null;
5806:	if ($nakedMethodReflection !== null) {
5807:	$nakedParametersAcceptor = ParametersAcceptorSelector::selectFromArgs(
5808:	$scope,
5809:	$args,
5810:	$nakedMethodReflection->getVariants(),
5811:	$nakedMethodReflection->getNamedArgumentsVariants(),
5812:	);
5813:	$nakedReturnType = $nakedParametersAcceptor->getReturnType();
5814:	}
5815:	if (
5816:	$nakedReturnType === null
5817:	\|\| !(new ThisType($nakedMethodReflection->getDeclaringClass()))->isSuperTypeOf($nakedReturnType)->yes()
5818:	\|\| $nakedMethodReflection->isPure()->no()
5819:	) {
5820:	$this->callNodeCallback($nodeCallback, new InvalidateExprNode($arg->value), $scope, $storage);
5821:	$scope = $scope->invalidateExpression($arg->value, true);
5822:	}
5823:	} elseif (!(new ResourceType())->isSuperTypeOf($argType)->no()) {
5824:	$this->callNodeCallback($nodeCallback, new InvalidateExprNode($arg->value), $scope, $storage);
5825:	$scope = $scope->invalidateExpression($arg->value, true);
5826:	}
5827:	}
5828:	}
5829:	}
5830:
5831:	// not storing this, it's scope after processing all args
5832:	return new ExpressionResult($scope, $hasYield, $isAlwaysTerminating, $throwPoints, $impurePoints);
5833:	}
5834:
5835:	/**
5836:	* @param MethodReflection\|FunctionReflection\|null $calleeReflection
5837:	*/
5838:	private function callCallbackImmediately(?ParameterReflection $parameter, ?Type $parameterType, $calleeReflection): bool
5839:	{
5840:	$parameterCallableType = null;
5841:	if ($parameterType !== null && $calleeReflection instanceof FunctionReflection) {
5842:	$parameterCallableType = TypeUtils::findCallableType($parameterType);
5843:	}
5844:
5845:	if ($parameter instanceof ExtendedParameterReflection) {
5846:	$parameterCallImmediately = $parameter->isImmediatelyInvokedCallable();
5847:	if ($parameterCallImmediately->maybe()) {
5848:	$callCallbackImmediately = $parameterCallableType !== null;
5849:	} else {
5850:	$callCallbackImmediately = $parameterCallImmediately->yes();
5851:	}
5852:	} else {
5853:	$callCallbackImmediately = $parameterCallableType !== null;
5854:	}
5855:
5856:	return $callCallbackImmediately;
5857:	}
5858:
5859:	/**
5860:	* @param MethodReflection\|FunctionReflection\|null $calleeReflection
5861:	*/
5862:	private function getParameterTypeFromParameterClosureTypeExtension(CallLike $callLike, $calleeReflection, ParameterReflection $parameter, MutatingScope $scope): ?Type
5863:	{
5864:	if ($callLike instanceof FuncCall && $calleeReflection instanceof FunctionReflection) {
5865:	foreach ($this->parameterClosureTypeExtensionProvider->getFunctionParameterClosureTypeExtensions() as $functionParameterClosureTypeExtension) {
5866:	if ($functionParameterClosureTypeExtension->isFunctionSupported($calleeReflection, $parameter)) {
5867:	return $functionParameterClosureTypeExtension->getTypeFromFunctionCall($calleeReflection, $callLike, $parameter, $scope);
5868:	}
5869:	}
5870:	} elseif ($calleeReflection instanceof MethodReflection) {
5871:	if ($callLike instanceof StaticCall) {
5872:	foreach ($this->parameterClosureTypeExtensionProvider->getStaticMethodParameterClosureTypeExtensions() as $staticMethodParameterClosureTypeExtension) {
5873:	if ($staticMethodParameterClosureTypeExtension->isStaticMethodSupported($calleeReflection, $parameter)) {
5874:	return $staticMethodParameterClosureTypeExtension->getTypeFromStaticMethodCall($calleeReflection, $callLike, $parameter, $scope);
5875:	}
5876:	}
5877:	} elseif ($callLike instanceof MethodCall) {
5878:	foreach ($this->parameterClosureTypeExtensionProvider->getMethodParameterClosureTypeExtensions() as $methodParameterClosureTypeExtension) {
5879:	if ($methodParameterClosureTypeExtension->isMethodSupported($calleeReflection, $parameter)) {
5880:	return $methodParameterClosureTypeExtension->getTypeFromMethodCall($calleeReflection, $callLike, $parameter, $scope);
5881:	}
5882:	}
5883:	}
5884:	}
5885:
5886:	return null;
5887:	}
5888:
5889:	/**
5890:	* @param MethodReflection\|FunctionReflection\|null $calleeReflection
5891:	*/
5892:	private function getParameterOutExtensionsType(CallLike $callLike, $calleeReflection, ParameterReflection $currentParameter, MutatingScope $scope): ?Type
5893:	{
5894:	$paramOutTypes = [];
5895:	if ($callLike instanceof FuncCall && $calleeReflection instanceof FunctionReflection) {
5896:	foreach ($this->parameterOutTypeExtensionProvider->getFunctionParameterOutTypeExtensions() as $functionParameterOutTypeExtension) {
5897:	if (!$functionParameterOutTypeExtension->isFunctionSupported($calleeReflection, $currentParameter)) {
5898:	continue;
5899:	}
5900:
5901:	$resolvedType = $functionParameterOutTypeExtension->getParameterOutTypeFromFunctionCall($calleeReflection, $callLike, $currentParameter, $scope);
5902:	if ($resolvedType === null) {
5903:	continue;
5904:	}
5905:	$paramOutTypes[] = $resolvedType;
5906:	}
5907:	} elseif ($callLike instanceof MethodCall && $calleeReflection instanceof MethodReflection) {
5908:	foreach ($this->parameterOutTypeExtensionProvider->getMethodParameterOutTypeExtensions() as $methodParameterOutTypeExtension) {
5909:	if (!$methodParameterOutTypeExtension->isMethodSupported($calleeReflection, $currentParameter)) {
5910:	continue;
5911:	}
5912:
5913:	$resolvedType = $methodParameterOutTypeExtension->getParameterOutTypeFromMethodCall($calleeReflection, $callLike, $currentParameter, $scope);
5914:	if ($resolvedType === null) {
5915:	continue;
5916:	}
5917:	$paramOutTypes[] = $resolvedType;
5918:	}
5919:	} elseif ($callLike instanceof StaticCall && $calleeReflection instanceof MethodReflection) {
5920:	foreach ($this->parameterOutTypeExtensionProvider->getStaticMethodParameterOutTypeExtensions() as $staticMethodParameterOutTypeExtension) {
5921:	if (!$staticMethodParameterOutTypeExtension->isStaticMethodSupported($calleeReflection, $currentParameter)) {
5922:	continue;
5923:	}
5924:
5925:	$resolvedType = $staticMethodParameterOutTypeExtension->getParameterOutTypeFromStaticMethodCall($calleeReflection, $callLike, $currentParameter, $scope);
5926:	if ($resolvedType === null) {
5927:	continue;
5928:	}
5929:	$paramOutTypes[] = $resolvedType;
5930:	}
5931:	}
5932:
5933:	if (count($paramOutTypes) === 1) {
5934:	return $paramOutTypes[0];
5935:	}
5936:
5937:	if (count($paramOutTypes) > 1) {
5938:	return TypeCombinator::union(...$paramOutTypes);
5939:	}
5940:
5941:	return null;
5942:	}
5943:
5944:	/**
5945:	* @param callable(Node $node, Scope $scope): void $nodeCallback
5946:	* @param Closure(MutatingScope $scope): ExpressionResult $processExprCallback
5947:	*/
5948:	private function processAssignVar(
5949:	MutatingScope $scope,
5950:	ExpressionResultStorage $storage,
5951:	Node\Stmt $stmt,
5952:	Expr $var,
5953:	Expr $assignedExpr,
5954:	callable $nodeCallback,
5955:	ExpressionContext $context,
5956:	Closure $processExprCallback,
5957:	bool $enterExpressionAssign,
5958:	): ExpressionResult
5959:	{
5960:	$this->callNodeCallback($nodeCallback, $var, $enterExpressionAssign ? $scope->enterExpressionAssign($var) : $scope, $storage);
5961:	$hasYield = false;
5962:	$throwPoints = [];
5963:	$impurePoints = [];
5964:	$isAlwaysTerminating = false;
5965:	$isAssignOp = $assignedExpr instanceof Expr\AssignOp && !$enterExpressionAssign;
5966:	if ($var instanceof Variable) {
5967:	$this->storeBeforeScope($storage, $var, $scope);
5968:	$result = $processExprCallback($scope);
5969:	$hasYield = $result->hasYield();
5970:	$throwPoints = $result->getThrowPoints();
5971:	$impurePoints = $result->getImpurePoints();
5972:	$isAlwaysTerminating = $result->isAlwaysTerminating();
5973:	$scopeBeforeAssignEval = $scope;
5974:	$scope = $result->getScope();
5975:	if (is_string($var->name)) {
5976:	if (in_array($var->name, Scope::SUPERGLOBAL_VARIABLES, true)) {
5977:	$impurePoints[] = new ImpurePoint($scopeBeforeAssignEval, $var, 'superglobal', 'assign to superglobal variable', true);
5978:	}
5979:	$assignedExpr = $this->unwrapAssign($assignedExpr);
5980:	$type = $scopeBeforeAssignEval->getType($assignedExpr);
5981:
5982:	$conditionalExpressions = [];
5983:	if ($assignedExpr instanceof Ternary) {
5984:	$if = $assignedExpr->if;
5985:	if ($if === null) {
5986:	$if = $assignedExpr->cond;
5987:	}
5988:	$condScope = $this->processExprNode($stmt, $assignedExpr->cond, $scope, $storage->duplicate(), new NoopNodeCallback(), ExpressionContext::createDeep())->getScope();
5989:	$truthySpecifiedTypes = $this->typeSpecifier->specifyTypesInCondition($condScope, $assignedExpr->cond, TypeSpecifierContext::createTruthy());
5990:	$falseySpecifiedTypes = $this->typeSpecifier->specifyTypesInCondition($condScope, $assignedExpr->cond, TypeSpecifierContext::createFalsey());
5991:	$truthyScope = $condScope->filterBySpecifiedTypes($truthySpecifiedTypes);
5992:	$falsyScope = $condScope->filterBySpecifiedTypes($falseySpecifiedTypes);
5993:	$truthyType = $truthyScope->getType($if);
5994:	$falseyType = $falsyScope->getType($assignedExpr->else);
5995:
5996:	if (
5997:	$truthyType->isSuperTypeOf($falseyType)->no()
5998:	&& $falseyType->isSuperTypeOf($truthyType)->no()
5999:	) {
6000:	$conditionalExpressions = $this->processSureTypesForConditionalExpressionsAfterAssign($condScope, $var->name, $conditionalExpressions, $truthySpecifiedTypes, $truthyType);
6001:	$conditionalExpressions = $this->processSureNotTypesForConditionalExpressionsAfterAssign($condScope, $var->name, $conditionalExpressions, $truthySpecifiedTypes, $truthyType);
6002:	$conditionalExpressions = $this->processSureTypesForConditionalExpressionsAfterAssign($condScope, $var->name, $conditionalExpressions, $falseySpecifiedTypes, $falseyType);
6003:	$conditionalExpressions = $this->processSureNotTypesForConditionalExpressionsAfterAssign($condScope, $var->name, $conditionalExpressions, $falseySpecifiedTypes, $falseyType);
6004:	}
6005:	}
6006:
6007:	$truthyType = TypeCombinator::removeFalsey($type);
6008:	if ($truthyType !== $type) {
6009:	$truthySpecifiedTypes = $this->typeSpecifier->specifyTypesInCondition($scope, $assignedExpr, TypeSpecifierContext::createTruthy());
6010:	$conditionalExpressions = $this->processSureTypesForConditionalExpressionsAfterAssign($scope, $var->name, $conditionalExpressions, $truthySpecifiedTypes, $truthyType);
6011:	$conditionalExpressions = $this->processSureNotTypesForConditionalExpressionsAfterAssign($scope, $var->name, $conditionalExpressions, $truthySpecifiedTypes, $truthyType);
6012:
6013:	$falseyType = TypeCombinator::intersect($type, StaticTypeFactory::falsey());
6014:	$falseySpecifiedTypes = $this->typeSpecifier->specifyTypesInCondition($scope, $assignedExpr, TypeSpecifierContext::createFalsey());
6015:	$conditionalExpressions = $this->processSureTypesForConditionalExpressionsAfterAssign($scope, $var->name, $conditionalExpressions, $falseySpecifiedTypes, $falseyType);
6016:	$conditionalExpressions = $this->processSureNotTypesForConditionalExpressionsAfterAssign($scope, $var->name, $conditionalExpressions, $falseySpecifiedTypes, $falseyType);
6017:	}
6018:
6019:	$this->callNodeCallback($nodeCallback, new VariableAssignNode($var, $assignedExpr), $scopeBeforeAssignEval, $storage);
6020:	$scope = $scope->assignVariable($var->name, $type, $scope->getNativeType($assignedExpr), TrinaryLogic::createYes());
6021:	foreach ($conditionalExpressions as $exprString => $holders) {
6022:	$scope = $scope->addConditionalExpressions($exprString, $holders);
6023:	}
6024:	} else {
6025:	$nameExprResult = $this->processExprNode($stmt, $var->name, $scope, $storage, $nodeCallback, $context);
6026:	$hasYield = $hasYield \|\| $nameExprResult->hasYield();
6027:	$throwPoints = array_merge($throwPoints, $nameExprResult->getThrowPoints());
6028:	$impurePoints = array_merge($impurePoints, $nameExprResult->getImpurePoints());
6029:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $nameExprResult->isAlwaysTerminating();
6030:	$scope = $nameExprResult->getScope();
6031:	}
6032:	} elseif ($var instanceof ArrayDimFetch) {
6033:	$dimFetchStack = [];
6034:	$originalVar = $var;
6035:	$assignedPropertyExpr = $assignedExpr;
6036:	while ($var instanceof ArrayDimFetch) {
6037:	$varForSetOffsetValue = $var->var;
6038:	if ($varForSetOffsetValue instanceof PropertyFetch \|\| $varForSetOffsetValue instanceof StaticPropertyFetch) {
6039:	$varForSetOffsetValue = new OriginalPropertyTypeExpr($varForSetOffsetValue);
6040:	}
6041:
6042:	if (
6043:	$var === $originalVar
6044:	&& $var->dim !== null
6045:	&& $scope->hasExpressionType($var)->yes()
6046:	) {
6047:	$assignedPropertyExpr = new SetExistingOffsetValueTypeExpr(
6048:	$varForSetOffsetValue,
6049:	$var->dim,
6050:	$assignedPropertyExpr,
6051:	);
6052:	} else {
6053:	$assignedPropertyExpr = new SetOffsetValueTypeExpr(
6054:	$varForSetOffsetValue,
6055:	$var->dim,
6056:	$assignedPropertyExpr,
6057:	);
6058:	}
6059:	$dimFetchStack[] = $var;
6060:	$var = $var->var;
6061:	}
6062:
6063:	// 1. eval root expr
6064:	if ($enterExpressionAssign) {
6065:	$scope = $scope->enterExpressionAssign($var);
6066:	}
6067:	$result = $this->processExprNode($stmt, $var, $scope, $storage, $nodeCallback, $context->enterDeep());
6068:	$hasYield = $result->hasYield();
6069:	$throwPoints = $result->getThrowPoints();
6070:	$impurePoints = $result->getImpurePoints();
6071:	$isAlwaysTerminating = $result->isAlwaysTerminating();
6072:	$scope = $result->getScope();
6073:	if ($enterExpressionAssign) {
6074:	$scope = $scope->exitExpressionAssign($var);
6075:	}
6076:
6077:	// 2. eval dimensions
6078:	$offsetTypes = [];
6079:	$offsetNativeTypes = [];
6080:	$dimFetchStack = array_reverse($dimFetchStack);
6081:	$lastDimKey = array_key_last($dimFetchStack);
6082:	foreach ($dimFetchStack as $key => $dimFetch) {
6083:	$dimExpr = $dimFetch->dim;
6084:
6085:	// Callback was already called for last dim at the beginning of the method.
6086:	if ($key !== $lastDimKey) {
6087:	$this->callNodeCallback($nodeCallback, $dimFetch, $enterExpressionAssign ? $scope->enterExpressionAssign($dimFetch) : $scope, $storage);
6088:	}
6089:
6090:	if ($dimExpr === null) {
6091:	$offsetTypes[] = [null, $dimFetch];
6092:	$offsetNativeTypes[] = [null, $dimFetch];
6093:	$this->storeBeforeScope($storage, $dimFetch, $scope);
6094:
6095:	} else {
6096:	$offsetTypes[] = [$scope->getType($dimExpr), $dimFetch];
6097:	$offsetNativeTypes[] = [$scope->getNativeType($dimExpr), $dimFetch];
6098:
6099:	if ($enterExpressionAssign) {
6100:	$scope->enterExpressionAssign($dimExpr);
6101:	}
6102:	$this->storeBeforeScope($storage, $dimFetch, $scope);
6103:	$result = $this->processExprNode($stmt, $dimExpr, $scope, $storage, $nodeCallback, $context->enterDeep());
6104:	$hasYield = $hasYield \|\| $result->hasYield();
6105:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6106:	$scope = $result->getScope();
6107:
6108:	if ($enterExpressionAssign) {
6109:	$scope = $scope->exitExpressionAssign($dimExpr);
6110:	}
6111:	}
6112:	}
6113:
6114:	$valueToWrite = $scope->getType($assignedExpr);
6115:	$nativeValueToWrite = $scope->getNativeType($assignedExpr);
6116:	$scopeBeforeAssignEval = $scope;
6117:
6118:	// 3. eval assigned expr
6119:	$result = $processExprCallback($scope);
6120:	$hasYield = $hasYield \|\| $result->hasYield();
6121:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6122:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
6123:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
6124:	$scope = $result->getScope();
6125:
6126:	$varType = $scope->getType($var);
6127:	$varNativeType = $scope->getNativeType($var);
6128:
6129:	// 4. compose types
6130:	$isImplicitArrayCreation = $this->isImplicitArrayCreation($dimFetchStack, $scope);
6131:	if ($isImplicitArrayCreation->yes()) {
6132:	$varType = new ConstantArrayType([], []);
6133:	$varNativeType = new ConstantArrayType([], []);
6134:	}
6135:	$offsetValueType = $varType;
6136:	$offsetNativeValueType = $varNativeType;
6137:
6138:	[$valueToWrite, $additionalExpressions] = $this->produceArrayDimFetchAssignValueToWrite($dimFetchStack, $offsetTypes, $offsetValueType, $valueToWrite, $scope);
6139:
6140:	if (!$offsetValueType->equals($offsetNativeValueType) \|\| !$valueToWrite->equals($nativeValueToWrite)) {
6141:	[$nativeValueToWrite, $additionalNativeExpressions] = $this->produceArrayDimFetchAssignValueToWrite($dimFetchStack, $offsetNativeTypes, $offsetNativeValueType, $nativeValueToWrite, $scope);
6142:	} else {
6143:	$rewritten = false;
6144:	foreach ($offsetTypes as $i => [$offsetType]) {
6145:	[$offsetNativeType] = $offsetNativeTypes[$i];
6146:
6147:	if ($offsetType === null) {
6148:	if ($offsetNativeType !== null) {
6149:	throw new ShouldNotHappenException();
6150:	}
6151:
6152:	continue;
6153:	} elseif ($offsetNativeType === null) {
6154:	throw new ShouldNotHappenException();
6155:	}
6156:	if ($offsetType->equals($offsetNativeType)) {
6157:	continue;
6158:	}
6159:
6160:	[$nativeValueToWrite] = $this->produceArrayDimFetchAssignValueToWrite($dimFetchStack, $offsetNativeTypes, $offsetNativeValueType, $nativeValueToWrite, $scope);
6161:	$rewritten = true;
6162:	break;
6163:	}
6164:
6165:	if (!$rewritten) {
6166:	$nativeValueToWrite = $valueToWrite;
6167:	}
6168:	}
6169:
6170:	if ($varType->isArray()->yes() \|\| !(new ObjectType(ArrayAccess::class))->isSuperTypeOf($varType)->yes()) {
6171:	if ($var instanceof Variable && is_string($var->name)) {
6172:	$this->callNodeCallback($nodeCallback, new VariableAssignNode($var, $assignedPropertyExpr), $scopeBeforeAssignEval, $storage);
6173:	$scope = $scope->assignVariable($var->name, $valueToWrite, $nativeValueToWrite, TrinaryLogic::createYes());
6174:	} else {
6175:	if ($var instanceof PropertyFetch \|\| $var instanceof StaticPropertyFetch) {
6176:	$this->callNodeCallback($nodeCallback, new PropertyAssignNode($var, $assignedPropertyExpr, $isAssignOp), $scopeBeforeAssignEval, $storage);
6177:	if ($var instanceof PropertyFetch && $var->name instanceof Node\Identifier && !$isAssignOp) {
6178:	$scope = $scope->assignInitializedProperty($scope->getType($var->var), $var->name->toString());
6179:	}
6180:	}
6181:	$scope = $scope->assignExpression(
6182:	$var,
6183:	$valueToWrite,
6184:	$nativeValueToWrite,
6185:	);
6186:	}
6187:	} else {
6188:	if ($var instanceof Variable) {
6189:	$this->callNodeCallback($nodeCallback, new VariableAssignNode($var, $assignedPropertyExpr), $scopeBeforeAssignEval, $storage);
6190:	} elseif ($var instanceof PropertyFetch \|\| $var instanceof StaticPropertyFetch) {
6191:	$this->callNodeCallback($nodeCallback, new PropertyAssignNode($var, $assignedPropertyExpr, $isAssignOp), $scopeBeforeAssignEval, $storage);
6192:	if ($var instanceof PropertyFetch && $var->name instanceof Node\Identifier && !$isAssignOp) {
6193:	$scope = $scope->assignInitializedProperty($scope->getType($var->var), $var->name->toString());
6194:	}
6195:	}
6196:	}
6197:
6198:	foreach ($additionalExpressions as $k => $additionalExpression) {
6199:	[$expr, $type] = $additionalExpression;
6200:	$nativeType = $type;
6201:	if (isset($additionalNativeExpressions[$k])) {
6202:	[, $nativeType] = $additionalNativeExpressions[$k];
6203:	}
6204:
6205:	$scope = $scope->assignExpression($expr, $type, $nativeType);
6206:	}
6207:
6208:	if (!$varType->isArray()->yes() && !(new ObjectType(ArrayAccess::class))->isSuperTypeOf($varType)->no()) {
6209:	$throwPoints = array_merge($throwPoints, $this->processExprNode(
6210:	$stmt,
6211:	new MethodCall($var, 'offsetSet'),
6212:	$scope,
6213:	$storage,
6214:	new NoopNodeCallback(),
6215:	$context,
6216:	)->getThrowPoints());
6217:	}
6218:	} elseif ($var instanceof PropertyFetch) {
6219:	$this->storeBeforeScope($storage, $var, $scope);
6220:	$objectResult = $this->processExprNode($stmt, $var->var, $scope, $storage, $nodeCallback, $context);
6221:	$hasYield = $objectResult->hasYield();
6222:	$throwPoints = $objectResult->getThrowPoints();
6223:	$impurePoints = $objectResult->getImpurePoints();
6224:	$isAlwaysTerminating = $objectResult->isAlwaysTerminating();
6225:	$scope = $objectResult->getScope();
6226:
6227:	$propertyName = null;
6228:	if ($var->name instanceof Node\Identifier) {
6229:	$propertyName = $var->name->name;
6230:	} else {
6231:	$propertyNameResult = $this->processExprNode($stmt, $var->name, $scope, $storage, $nodeCallback, $context);
6232:	$hasYield = $hasYield \|\| $propertyNameResult->hasYield();
6233:	$throwPoints = array_merge($throwPoints, $propertyNameResult->getThrowPoints());
6234:	$impurePoints = array_merge($impurePoints, $propertyNameResult->getImpurePoints());
6235:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $propertyNameResult->isAlwaysTerminating();
6236:	$scope = $propertyNameResult->getScope();
6237:	}
6238:
6239:	$scopeBeforeAssignEval = $scope;
6240:	$result = $processExprCallback($scope);
6241:	$hasYield = $hasYield \|\| $result->hasYield();
6242:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6243:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
6244:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
6245:	$scope = $result->getScope();
6246:
6247:	if ($var->name instanceof Expr && $this->phpVersion->supportsPropertyHooks()) {
6248:	$throwPoints[] = InternalThrowPoint::createImplicit($scope, $var);
6249:	}
6250:
6251:	$propertyHolderType = $scope->getType($var->var);
6252:	if ($propertyName !== null && $propertyHolderType->hasInstanceProperty($propertyName)->yes()) {
6253:	$propertyReflection = $propertyHolderType->getInstanceProperty($propertyName, $scope);
6254:	$assignedExprType = $scope->getType($assignedExpr);
6255:	$this->callNodeCallback($nodeCallback, new PropertyAssignNode($var, $assignedExpr, $isAssignOp), $scopeBeforeAssignEval, $storage);
6256:	if ($propertyReflection->canChangeTypeAfterAssignment()) {
6257:	if ($propertyReflection->hasNativeType()) {
6258:	$propertyNativeType = $propertyReflection->getNativeType();
6259:
6260:	$assignedTypeIsCompatible = $propertyNativeType->isSuperTypeOf($assignedExprType)->yes();
6261:	if (!$assignedTypeIsCompatible) {
6262:	foreach (TypeUtils::flattenTypes($propertyNativeType) as $type) {
6263:	if ($type->isSuperTypeOf($assignedExprType)->yes()) {
6264:	$assignedTypeIsCompatible = true;
6265:	break;
6266:	}
6267:	}
6268:	}
6269:
6270:	if ($assignedTypeIsCompatible) {
6271:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6272:	} else {
6273:	$scope = $scope->assignExpression(
6274:	$var,
6275:	TypeCombinator::intersect($assignedExprType->toCoercedArgumentType($scope->isDeclareStrictTypes()), $propertyNativeType),
6276:	TypeCombinator::intersect($scope->getNativeType($assignedExpr)->toCoercedArgumentType($scope->isDeclareStrictTypes()), $propertyNativeType),
6277:	);
6278:	}
6279:	} else {
6280:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6281:	}
6282:	}
6283:	$declaringClass = $propertyReflection->getDeclaringClass();
6284:	if ($declaringClass->hasNativeProperty($propertyName)) {
6285:	$nativeProperty = $declaringClass->getNativeProperty($propertyName);
6286:	if (
6287:	!$nativeProperty->getNativeType()->accepts($assignedExprType, true)->yes()
6288:	) {
6289:	$throwPoints[] = InternalThrowPoint::createExplicit($scope, new ObjectType(TypeError::class), $assignedExpr, false);
6290:	}
6291:	if ($this->phpVersion->supportsPropertyHooks()) {
6292:	$throwPoints = array_merge($throwPoints, $this->getPropertyAssignThrowPointsFromSetHook($scope, $var, $nativeProperty));
6293:	}
6294:	if ($enterExpressionAssign) {
6295:	$scope = $scope->assignInitializedProperty($propertyHolderType, $propertyName);
6296:	}
6297:	}
6298:	} else {
6299:	// fallback
6300:	$assignedExprType = $scope->getType($assignedExpr);
6301:	$this->callNodeCallback($nodeCallback, new PropertyAssignNode($var, $assignedExpr, $isAssignOp), $scopeBeforeAssignEval, $storage);
6302:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6303:	// simulate dynamic property assign by __set to get throw points
6304:	if (!$propertyHolderType->hasMethod('__set')->no()) {
6305:	$throwPoints = array_merge($throwPoints, $this->processExprNode(
6306:	$stmt,
6307:	new MethodCall($var->var, '__set'),
6308:	$scope,
6309:	$storage,
6310:	new NoopNodeCallback(),
6311:	$context,
6312:	)->getThrowPoints());
6313:	}
6314:	}
6315:
6316:	} elseif ($var instanceof Expr\StaticPropertyFetch) {
6317:	$this->storeBeforeScope($storage, $var, $scope);
6318:	if ($var->class instanceof Node\Name) {
6319:	$propertyHolderType = $scope->resolveTypeByName($var->class);
6320:	} else {
6321:	$this->processExprNode($stmt, $var->class, $scope, $storage, $nodeCallback, $context);
6322:	$propertyHolderType = $scope->getType($var->class);
6323:	}
6324:
6325:	$propertyName = null;
6326:	if ($var->name instanceof Node\Identifier) {
6327:	$propertyName = $var->name->name;
6328:	} else {
6329:	$propertyNameResult = $this->processExprNode($stmt, $var->name, $scope, $storage, $nodeCallback, $context);
6330:	$hasYield = $propertyNameResult->hasYield();
6331:	$throwPoints = $propertyNameResult->getThrowPoints();
6332:	$impurePoints = $propertyNameResult->getImpurePoints();
6333:	$isAlwaysTerminating = $propertyNameResult->isAlwaysTerminating();
6334:	$scope = $propertyNameResult->getScope();
6335:	}
6336:
6337:	$scopeBeforeAssignEval = $scope;
6338:	$result = $processExprCallback($scope);
6339:	$hasYield = $hasYield \|\| $result->hasYield();
6340:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6341:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
6342:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
6343:	$scope = $result->getScope();
6344:
6345:	if ($propertyName !== null) {
6346:	$propertyReflection = $scope->getStaticPropertyReflection($propertyHolderType, $propertyName);
6347:	$assignedExprType = $scope->getType($assignedExpr);
6348:	$this->callNodeCallback($nodeCallback, new PropertyAssignNode($var, $assignedExpr, $isAssignOp), $scopeBeforeAssignEval, $storage);
6349:	if ($propertyReflection !== null && $propertyReflection->canChangeTypeAfterAssignment()) {
6350:	if ($propertyReflection->hasNativeType()) {
6351:	$propertyNativeType = $propertyReflection->getNativeType();
6352:	$assignedTypeIsCompatible = $propertyNativeType->isSuperTypeOf($assignedExprType)->yes();
6353:
6354:	if (!$assignedTypeIsCompatible) {
6355:	foreach (TypeUtils::flattenTypes($propertyNativeType) as $type) {
6356:	if ($type->isSuperTypeOf($assignedExprType)->yes()) {
6357:	$assignedTypeIsCompatible = true;
6358:	break;
6359:	}
6360:	}
6361:	}
6362:
6363:	if ($assignedTypeIsCompatible) {
6364:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6365:	} else {
6366:	$scope = $scope->assignExpression(
6367:	$var,
6368:	TypeCombinator::intersect($assignedExprType->toCoercedArgumentType($scope->isDeclareStrictTypes()), $propertyNativeType),
6369:	TypeCombinator::intersect($scope->getNativeType($assignedExpr)->toCoercedArgumentType($scope->isDeclareStrictTypes()), $propertyNativeType),
6370:	);
6371:	}
6372:	} else {
6373:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6374:	}
6375:	}
6376:	} else {
6377:	// fallback
6378:	$assignedExprType = $scope->getType($assignedExpr);
6379:	$this->callNodeCallback($nodeCallback, new PropertyAssignNode($var, $assignedExpr, $isAssignOp), $scopeBeforeAssignEval, $storage);
6380:	$scope = $scope->assignExpression($var, $assignedExprType, $scope->getNativeType($assignedExpr));
6381:	}
6382:	} elseif ($var instanceof List_) {
6383:	$this->storeBeforeScope($storage, $var, $scope);
6384:	$result = $processExprCallback($scope);
6385:	$hasYield = $result->hasYield();
6386:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6387:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
6388:	$isAlwaysTerminating = $result->isAlwaysTerminating();
6389:	$scope = $result->getScope();
6390:	foreach ($var->items as $i => $arrayItem) {
6391:	if ($arrayItem === null) {
6392:	continue;
6393:	}
6394:
6395:	$itemScope = $scope;
6396:	if ($enterExpressionAssign) {
6397:	$itemScope = $itemScope->enterExpressionAssign($arrayItem->value);
6398:	}
6399:	$itemScope = $this->lookForSetAllowedUndefinedExpressions($itemScope, $arrayItem->value);
6400:	$this->callNodeCallback($nodeCallback, $arrayItem, $itemScope, $storage);
6401:	if ($arrayItem->key !== null) {
6402:	$keyResult = $this->processExprNode($stmt, $arrayItem->key, $itemScope, $storage, $nodeCallback, $context->enterDeep());
6403:	$hasYield = $hasYield \|\| $keyResult->hasYield();
6404:	$throwPoints = array_merge($throwPoints, $keyResult->getThrowPoints());
6405:	$impurePoints = array_merge($impurePoints, $keyResult->getImpurePoints());
6406:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $keyResult->isAlwaysTerminating();
6407:	// no need for $keyResult->getScope()
6408:	}
6409:
6410:	if ($arrayItem->key === null) {
6411:	$dimExpr = new Node\Scalar\Int_($i);
6412:	} else {
6413:	$dimExpr = $arrayItem->key;
6414:	}
6415:	$result = $this->processAssignVar(
6416:	$scope,
6417:	$storage,
6418:	$stmt,
6419:	$arrayItem->value,
6420:	new GetOffsetValueTypeExpr($assignedExpr, $dimExpr),
6421:	$nodeCallback,
6422:	$context,
6423:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
6424:	$enterExpressionAssign,
6425:	);
6426:	$scope = $result->getScope();
6427:	$hasYield = $hasYield \|\| $result->hasYield();
6428:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6429:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
6430:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
6431:	}
6432:	} elseif ($var instanceof ExistingArrayDimFetch) {
6433:	$dimFetchStack = [];
6434:	$assignedPropertyExpr = $assignedExpr;
6435:	while ($var instanceof ExistingArrayDimFetch) {
6436:	$varForSetOffsetValue = $var->getVar();
6437:	if ($varForSetOffsetValue instanceof PropertyFetch \|\| $varForSetOffsetValue instanceof StaticPropertyFetch) {
6438:	$varForSetOffsetValue = new OriginalPropertyTypeExpr($varForSetOffsetValue);
6439:	}
6440:	$assignedPropertyExpr = new SetExistingOffsetValueTypeExpr(
6441:	$varForSetOffsetValue,
6442:	$var->getDim(),
6443:	$assignedPropertyExpr,
6444:	);
6445:	$dimFetchStack[] = $var;
6446:	$var = $var->getVar();
6447:	}
6448:
6449:	$offsetTypes = [];
6450:	$offsetNativeTypes = [];
6451:	foreach (array_reverse($dimFetchStack) as $dimFetch) {
6452:	$dimExpr = $dimFetch->getDim();
6453:	$offsetTypes[] = [$scope->getType($dimExpr), $dimFetch];
6454:	$offsetNativeTypes[] = [$scope->getNativeType($dimExpr), $dimFetch];
6455:	}
6456:
6457:	$valueToWrite = $scope->getType($assignedExpr);
6458:	$nativeValueToWrite = $scope->getNativeType($assignedExpr);
6459:	$varType = $scope->getType($var);
6460:	$varNativeType = $scope->getNativeType($var);
6461:
6462:	$offsetValueType = $varType;
6463:	$offsetNativeValueType = $varNativeType;
6464:	$offsetValueTypeStack = [$offsetValueType];
6465:	$offsetValueNativeTypeStack = [$offsetNativeValueType];
6466:	foreach (array_slice($offsetTypes, 0, -1) as [$offsetType]) {
6467:	$offsetValueType = $offsetValueType->getOffsetValueType($offsetType);
6468:	$offsetValueTypeStack[] = $offsetValueType;
6469:	}
6470:	foreach (array_slice($offsetNativeTypes, 0, -1) as [$offsetNativeType]) {
6471:	$offsetNativeValueType = $offsetNativeValueType->getOffsetValueType($offsetNativeType);
6472:	$offsetValueNativeTypeStack[] = $offsetNativeValueType;
6473:	}
6474:
6475:	foreach (array_reverse($offsetTypes) as [$offsetType]) {
6476:	/** @var Type $offsetValueType */
6477:	$offsetValueType = array_pop($offsetValueTypeStack);
6478:	$valueToWrite = $offsetValueType->setExistingOffsetValueType($offsetType, $valueToWrite);
6479:	}
6480:	foreach (array_reverse($offsetNativeTypes) as [$offsetNativeType]) {
6481:	/** @var Type $offsetNativeValueType */
6482:	$offsetNativeValueType = array_pop($offsetValueNativeTypeStack);
6483:	$nativeValueToWrite = $offsetNativeValueType->setExistingOffsetValueType($offsetNativeType, $nativeValueToWrite);
6484:	}
6485:
6486:	if ($var instanceof Variable && is_string($var->name)) {
6487:	$this->callNodeCallback($nodeCallback, new VariableAssignNode($var, $assignedPropertyExpr), $scope, $storage);
6488:	$scope = $scope->assignVariable($var->name, $valueToWrite, $nativeValueToWrite, TrinaryLogic::createYes());
6489:	} else {
6490:	if ($var instanceof PropertyFetch \|\| $var instanceof StaticPropertyFetch) {
6491:	$this->callNodeCallback($nodeCallback, new PropertyAssignNode($var, $assignedPropertyExpr, $isAssignOp), $scope, $storage);
6492:	}
6493:	$scope = $scope->assignExpression(
6494:	$var,
6495:	$valueToWrite,
6496:	$nativeValueToWrite,
6497:	);
6498:	}
6499:	} else {
6500:	$varResult = $this->processExprNode($stmt, $var, $scope, $storage, $nodeCallback, $context);
6501:	$hasYield = $varResult->hasYield();
6502:	$throwPoints = array_merge($throwPoints, $varResult->getThrowPoints());
6503:	$impurePoints = array_merge($impurePoints, $varResult->getImpurePoints());
6504:	$isAlwaysTerminating = $varResult->isAlwaysTerminating();
6505:	$scope = $varResult->getScope();
6506:	$result = $processExprCallback($scope);
6507:	$hasYield = $hasYield \|\| $result->hasYield();
6508:	$throwPoints = array_merge($throwPoints, $result->getThrowPoints());
6509:	$impurePoints = array_merge($impurePoints, $result->getImpurePoints());
6510:	$isAlwaysTerminating = $isAlwaysTerminating \|\| $result->isAlwaysTerminating();
6511:	$scope = $result->getScope();
6512:	}
6513:
6514:	// stored where processAssignVar is called
6515:	return new ExpressionResult($scope, $hasYield, $isAlwaysTerminating, $throwPoints, $impurePoints);
6516:	}
6517:
6518:	/**
6519:	* @param callable(Node $node, Scope $scope): void $nodeCallback
6520:	*/
6521:	private function processVirtualAssign(MutatingScope $scope, ExpressionResultStorage $storage, Node\Stmt $stmt, Expr $var, Expr $assignedExpr, callable $nodeCallback): ExpressionResult
6522:	{
6523:	return $this->processAssignVar(
6524:	$scope,
6525:	$storage,
6526:	$stmt,
6527:	$var,
6528:	$assignedExpr,
6529:	new VirtualAssignNodeCallback($nodeCallback),
6530:	ExpressionContext::createDeep(),
6531:	static fn (MutatingScope $scope): ExpressionResult => new ExpressionResult($scope, false, false, [], []),
6532:	false,
6533:	);
6534:	}
6535:
6536:	/**
6537:	* @param list<ArrayDimFetch> $dimFetchStack
6538:	*/
6539:	private function isImplicitArrayCreation(array $dimFetchStack, Scope $scope): TrinaryLogic
6540:	{
6541:	if (count($dimFetchStack) === 0) {
6542:	return TrinaryLogic::createNo();
6543:	}
6544:
6545:	$varNode = $dimFetchStack[0]->var;
6546:	if (!$varNode instanceof Variable) {
6547:	return TrinaryLogic::createNo();
6548:	}
6549:
6550:	if (!is_string($varNode->name)) {
6551:	return TrinaryLogic::createNo();
6552:	}
6553:
6554:	return $scope->hasVariableType($varNode->name)->negate();
6555:	}
6556:
6557:	/**
6558:	* @param list<ArrayDimFetch> $dimFetchStack
6559:	* @param list<array{Type\|null, ArrayDimFetch}> $offsetTypes
6560:	*
6561:	* @return array{Type, list<array{Expr, Type}>}
6562:	*/
6563:	private function produceArrayDimFetchAssignValueToWrite(array $dimFetchStack, array $offsetTypes, Type $offsetValueType, Type $valueToWrite, Scope $scope): array
6564:	{
6565:	$originalValueToWrite = $valueToWrite;
6566:
6567:	$offsetValueTypeStack = [$offsetValueType];
6568:	foreach (array_slice($offsetTypes, 0, -1) as [$offsetType, $dimFetch]) {
6569:	if ($offsetType === null) {
6570:	$offsetValueType = new ConstantArrayType([], []);
6571:
6572:	} else {
6573:	$has = $offsetValueType->hasOffsetValueType($offsetType);
6574:	if ($has->yes()) {
6575:	$offsetValueType = $offsetValueType->getOffsetValueType($offsetType);
6576:	} elseif ($has->maybe()) {
6577:	if (!$scope->hasExpressionType($dimFetch)->yes()) {
6578:	$offsetValueType = TypeCombinator::union($offsetValueType->getOffsetValueType($offsetType), new ConstantArrayType([], []));
6579:	} else {
6580:	$offsetValueType = $offsetValueType->getOffsetValueType($offsetType);
6581:	}
6582:	} else {
6583:	$offsetValueType = new ConstantArrayType([], []);
6584:	}
6585:	}
6586:
6587:	$offsetValueTypeStack[] = $offsetValueType;
6588:	}
6589:
6590:	foreach (array_reverse($offsetTypes) as $i => [$offsetType]) {
6591:	/** @var Type $offsetValueType */
6592:	$offsetValueType = array_pop($offsetValueTypeStack);
6593:	if (
6594:	!$offsetValueType instanceof MixedType
6595:	&& !$offsetValueType->isConstantArray()->yes()
6596:	) {
6597:	$types = [
6598:	new ArrayType(new MixedType(), new MixedType()),
6599:	new ObjectType(ArrayAccess::class),
6600:	new NullType(),
6601:	];
6602:	if ($offsetType !== null && $offsetType->isInteger()->yes()) {
6603:	$types[] = new StringType();
6604:	}
6605:	$offsetValueType = TypeCombinator::intersect($offsetValueType, TypeCombinator::union(...$types));
6606:	}
6607:
6608:	$arrayDimFetch = $dimFetchStack[$i] ?? null;
6609:	if (
6610:	$offsetType !== null
6611:	&& $arrayDimFetch !== null
6612:	&& $scope->hasExpressionType($arrayDimFetch)->yes()
6613:	) {
6614:	$hasOffsetType = null;
6615:	if ($offsetType instanceof ConstantStringType \|\| $offsetType instanceof ConstantIntegerType) {
6616:	$hasOffsetType = new HasOffsetValueType($offsetType, $valueToWrite);
6617:	}
6618:	$valueToWrite = $offsetValueType->setExistingOffsetValueType($offsetType, $valueToWrite);
6619:
6620:	if ($valueToWrite->isArray()->yes()) {
6621:	if ($hasOffsetType !== null) {
6622:	$valueToWrite = TypeCombinator::intersect(
6623:	$valueToWrite,
6624:	$hasOffsetType,
6625:	);
6626:	} else {
6627:	$valueToWrite = TypeCombinator::intersect(
6628:	$valueToWrite,
6629:	new NonEmptyArrayType(),
6630:	);
6631:	}
6632:	}
6633:
6634:	} else {
6635:	$valueToWrite = $offsetValueType->setOffsetValueType($offsetType, $valueToWrite, $i === 0);
6636:	}
6637:
6638:	if ($arrayDimFetch === null \|\| !$offsetValueType->isList()->yes()) {
6639:	continue;
6640:	}
6641:
6642:	if (!$arrayDimFetch->dim instanceof BinaryOp\Plus) {
6643:	continue;
6644:	}
6645:
6646:	if ( // keep list for $list[$index + 1] assignments
6647:	$arrayDimFetch->dim->right instanceof Variable
6648:	&& $arrayDimFetch->dim->left instanceof Node\Scalar\Int_
6649:	&& $arrayDimFetch->dim->left->value === 1
6650:	&& $scope->hasExpressionType(new ArrayDimFetch($arrayDimFetch->var, $arrayDimFetch->dim->right))->yes()
6651:	) {
6652:	$valueToWrite = TypeCombinator::intersect($valueToWrite, new AccessoryArrayListType());
6653:	} elseif ( // keep list for $list[1 + $index] assignments
6654:	$arrayDimFetch->dim->left instanceof Variable
6655:	&& $arrayDimFetch->dim->right instanceof Node\Scalar\Int_
6656:	&& $arrayDimFetch->dim->right->value === 1
6657:	&& $scope->hasExpressionType(new ArrayDimFetch($arrayDimFetch->var, $arrayDimFetch->dim->left))->yes()
6658:	) {
6659:	$valueToWrite = TypeCombinator::intersect($valueToWrite, new AccessoryArrayListType());
6660:	}
6661:	}
6662:
6663:	$additionalExpressions = [];
6664:	$offsetValueType = $valueToWrite;
6665:	$lastDimKey = array_key_last($dimFetchStack);
6666:	foreach ($dimFetchStack as $key => $dimFetch) {
6667:	if ($dimFetch->dim === null) {
6668:	continue;
6669:	}
6670:
6671:	if ($key === $lastDimKey) {
6672:	$offsetValueType = $originalValueToWrite;
6673:	} else {
6674:	$offsetType = $scope->getType($dimFetch->dim);
6675:	$offsetValueType = $offsetValueType->getOffsetValueType($offsetType);
6676:	}
6677:
6678:	$additionalExpressions[] = [$dimFetch, $offsetValueType];
6679:	}
6680:
6681:	return [$valueToWrite, $additionalExpressions];
6682:	}
6683:
6684:	private function unwrapAssign(Expr $expr): Expr
6685:	{
6686:	if ($expr instanceof Assign) {
6687:	return $this->unwrapAssign($expr->expr);
6688:	}
6689:
6690:	return $expr;
6691:	}
6692:
6693:	/**
6694:	* @param array<string, ConditionalExpressionHolder[]> $conditionalExpressions
6695:	* @return array<string, ConditionalExpressionHolder[]>
6696:	*/
6697:	private function processSureTypesForConditionalExpressionsAfterAssign(Scope $scope, string $variableName, array $conditionalExpressions, SpecifiedTypes $specifiedTypes, Type $variableType): array
6698:	{
6699:	foreach ($specifiedTypes->getSureTypes() as $exprString => [$expr, $exprType]) {
6700:	if (!$expr instanceof Variable) {
6701:	continue;
6702:	}
6703:	if (!is_string($expr->name)) {
6704:	continue;
6705:	}
6706:
6707:	if ($expr->name === $variableName) {
6708:	continue;
6709:	}
6710:
6711:	if (!isset($conditionalExpressions[$exprString])) {
6712:	$conditionalExpressions[$exprString] = [];
6713:	}
6714:
6715:	$holder = new ConditionalExpressionHolder([
6716:	'$' . $variableName => ExpressionTypeHolder::createYes(new Variable($variableName), $variableType),
6717:	], ExpressionTypeHolder::createYes(
6718:	$expr,
6719:	TypeCombinator::intersect($scope->getType($expr), $exprType),
6720:	));
6721:	$conditionalExpressions[$exprString][$holder->getKey()] = $holder;
6722:	}
6723:
6724:	return $conditionalExpressions;
6725:	}
6726:
6727:	/**
6728:	* @param array<string, ConditionalExpressionHolder[]> $conditionalExpressions
6729:	* @return array<string, ConditionalExpressionHolder[]>
6730:	*/
6731:	private function processSureNotTypesForConditionalExpressionsAfterAssign(Scope $scope, string $variableName, array $conditionalExpressions, SpecifiedTypes $specifiedTypes, Type $variableType): array
6732:	{
6733:	foreach ($specifiedTypes->getSureNotTypes() as $exprString => [$expr, $exprType]) {
6734:	if (!$expr instanceof Variable) {
6735:	continue;
6736:	}
6737:	if (!is_string($expr->name)) {
6738:	continue;
6739:	}
6740:
6741:	if ($expr->name === $variableName) {
6742:	continue;
6743:	}
6744:
6745:	if (!isset($conditionalExpressions[$exprString])) {
6746:	$conditionalExpressions[$exprString] = [];
6747:	}
6748:
6749:	$holder = new ConditionalExpressionHolder([
6750:	'$' . $variableName => ExpressionTypeHolder::createYes(new Variable($variableName), $variableType),
6751:	], ExpressionTypeHolder::createYes(
6752:	$expr,
6753:	TypeCombinator::remove($scope->getType($expr), $exprType),
6754:	));
6755:	$conditionalExpressions[$exprString][$holder->getKey()] = $holder;
6756:	}
6757:
6758:	return $conditionalExpressions;
6759:	}
6760:
6761:	/**
6762:	* @param callable(Node $node, Scope $scope): void $nodeCallback
6763:	*/
6764:	private function processStmtVarAnnotation(MutatingScope $scope, ExpressionResultStorage $storage, Node\Stmt $stmt, ?Expr $defaultExpr, callable $nodeCallback): MutatingScope
6765:	{
6766:	$function = $scope->getFunction();
6767:	$variableLessTags = [];
6768:
6769:	foreach ($stmt->getComments() as $comment) {
6770:	if (!$comment instanceof Doc) {
6771:	continue;
6772:	}
6773:
6774:	$resolvedPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
6775:	$scope->getFile(),
6776:	$scope->isInClass() ? $scope->getClassReflection()->getName() : null,
6777:	$scope->isInTrait() ? $scope->getTraitReflection()->getName() : null,
6778:	$function !== null ? $function->getName() : null,
6779:	$comment->getText(),
6780:	);
6781:
6782:	$assignedVariable = null;
6783:	if (
6784:	$stmt instanceof Node\Stmt\Expression
6785:	&& ($stmt->expr instanceof Assign \|\| $stmt->expr instanceof AssignRef)
6786:	&& $stmt->expr->var instanceof Variable
6787:	&& is_string($stmt->expr->var->name)
6788:	) {
6789:	$assignedVariable = $stmt->expr->var->name;
6790:	}
6791:
6792:	foreach ($resolvedPhpDoc->getVarTags() as $name => $varTag) {
6793:	if (is_int($name)) {
6794:	$variableLessTags[] = $varTag;
6795:	continue;
6796:	}
6797:
6798:	if ($name === $assignedVariable) {
6799:	continue;
6800:	}
6801:
6802:	$certainty = $scope->hasVariableType($name);
6803:	if ($certainty->no()) {
6804:	continue;
6805:	}
6806:
6807:	if ($scope->isInClass() && $scope->getFunction() === null) {
6808:	continue;
6809:	}
6810:
6811:	if ($scope->canAnyVariableExist()) {
6812:	$certainty = TrinaryLogic::createYes();
6813:	}
6814:
6815:	$variableNode = new Variable($name, $stmt->getAttributes());
6816:	$originalType = $scope->getVariableType($name);
6817:	if (!$originalType->equals($varTag->getType())) {
6818:	$this->callNodeCallback($nodeCallback, new VarTagChangedExpressionTypeNode($varTag, $variableNode), $scope, $storage);
6819:	}
6820:
6821:	$scope = $scope->assignVariable(
6822:	$name,
6823:	$varTag->getType(),
6824:	$scope->getNativeType($variableNode),
6825:	$certainty,
6826:	);
6827:	}
6828:	}
6829:
6830:	if (count($variableLessTags) === 1 && $defaultExpr !== null) {
6831:	$originalType = $scope->getType($defaultExpr);
6832:	$varTag = $variableLessTags[0];
6833:	if (!$originalType->equals($varTag->getType())) {
6834:	$this->callNodeCallback($nodeCallback, new VarTagChangedExpressionTypeNode($varTag, $defaultExpr), $scope, $storage);
6835:	}
6836:	$scope = $scope->assignExpression($defaultExpr, $varTag->getType(), new MixedType());
6837:	}
6838:
6839:	return $scope;
6840:	}
6841:
6842:	/**
6843:	* @param array<int, string> $variableNames
6844:	*/
6845:	private function processVarAnnotation(MutatingScope $scope, array $variableNames, Node\Stmt $node, bool &$changed = false): MutatingScope
6846:	{
6847:	$function = $scope->getFunction();
6848:	$varTags = [];
6849:	foreach ($node->getComments() as $comment) {
6850:	if (!$comment instanceof Doc) {
6851:	continue;
6852:	}
6853:
6854:	$resolvedPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
6855:	$scope->getFile(),
6856:	$scope->isInClass() ? $scope->getClassReflection()->getName() : null,
6857:	$scope->isInTrait() ? $scope->getTraitReflection()->getName() : null,
6858:	$function !== null ? $function->getName() : null,
6859:	$comment->getText(),
6860:	);
6861:	foreach ($resolvedPhpDoc->getVarTags() as $key => $varTag) {
6862:	$varTags[$key] = $varTag;
6863:	}
6864:	}
6865:
6866:	if (count($varTags) === 0) {
6867:	return $scope;
6868:	}
6869:
6870:	foreach ($variableNames as $variableName) {
6871:	if (!isset($varTags[$variableName])) {
6872:	continue;
6873:	}
6874:
6875:	$variableType = $varTags[$variableName]->getType();
6876:	$changed = true;
6877:	$scope = $scope->assignVariable($variableName, $variableType, new MixedType(), TrinaryLogic::createYes());
6878:	}
6879:
6880:	if (count($variableNames) === 1 && count($varTags) === 1 && isset($varTags[0])) {
6881:	$variableType = $varTags[0]->getType();
6882:	$changed = true;
6883:	$scope = $scope->assignVariable($variableNames[0], $variableType, new MixedType(), TrinaryLogic::createYes());
6884:	}
6885:
6886:	return $scope;
6887:	}
6888:
6889:	/**
6890:	* @param callable(Node $node, Scope $scope): void $nodeCallback
6891:	*/
6892:	private function enterForeach(MutatingScope $scope, ExpressionResultStorage $storage, MutatingScope $originalScope, Foreach_ $stmt, callable $nodeCallback): MutatingScope
6893:	{
6894:	if ($stmt->expr instanceof Variable && is_string($stmt->expr->name)) {
6895:	$scope = $this->processVarAnnotation($scope, [$stmt->expr->name], $stmt);
6896:	}
6897:
6898:	$iterateeType = $originalScope->getType($stmt->expr);
6899:	if (
6900:	($stmt->valueVar instanceof Variable && is_string($stmt->valueVar->name))
6901:	&& ($stmt->keyVar === null \|\| ($stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)))
6902:	) {
6903:	$keyVarName = null;
6904:	if ($stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)) {
6905:	$keyVarName = $stmt->keyVar->name;
6906:	}
6907:	$scope = $scope->enterForeach(
6908:	$originalScope,
6909:	$stmt->expr,
6910:	$stmt->valueVar->name,
6911:	$keyVarName,
6912:	$stmt->byRef,
6913:	);
6914:	$vars = [$stmt->valueVar->name];
6915:	if ($keyVarName !== null) {
6916:	$vars[] = $keyVarName;
6917:	}
6918:	} else {
6919:	$scope = $this->processVirtualAssign(
6920:	$scope,
6921:	$storage,
6922:	$stmt,
6923:	$stmt->valueVar,
6924:	new GetIterableValueTypeExpr($stmt->expr),
6925:	$nodeCallback,
6926:	)->getScope();
6927:	$vars = $this->getAssignedVariables($stmt->valueVar);
6928:	if (
6929:	$stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)
6930:	) {
6931:	$scope = $scope->enterForeachKey($originalScope, $stmt->expr, $stmt->keyVar->name);
6932:	$vars[] = $stmt->keyVar->name;
6933:	} elseif ($stmt->keyVar !== null) {
6934:	$scope = $this->processVirtualAssign(
6935:	$scope,
6936:	$storage,
6937:	$stmt,
6938:	$stmt->keyVar,
6939:	new GetIterableKeyTypeExpr($stmt->expr),
6940:	$nodeCallback,
6941:	)->getScope();
6942:	$vars = array_merge($vars, $this->getAssignedVariables($stmt->keyVar));
6943:	}
6944:	}
6945:
6946:	$constantArrays = $iterateeType->getConstantArrays();
6947:	if (
6948:	$stmt->getDocComment() === null
6949:	&& $iterateeType->isConstantArray()->yes()
6950:	&& count($constantArrays) === 1
6951:	&& $stmt->valueVar instanceof Variable && is_string($stmt->valueVar->name)
6952:	&& $stmt->keyVar instanceof Variable && is_string($stmt->keyVar->name)
6953:	) {
6954:	$valueConditionalHolders = [];
6955:	$arrayDimFetchConditionalHolders = [];
6956:	foreach ($constantArrays[0]->getKeyTypes() as $i => $keyType) {
6957:	$valueType = $constantArrays[0]->getValueTypes()[$i];
6958:	$holder = new ConditionalExpressionHolder([
6959:	'$' . $stmt->keyVar->name => ExpressionTypeHolder::createYes(new Variable($stmt->keyVar->name), $keyType),
6960:	], new ExpressionTypeHolder($stmt->valueVar, $valueType, TrinaryLogic::createYes()));
6961:	$valueConditionalHolders[$holder->getKey()] = $holder;
6962:	$arrayDimFetchHolder = new ConditionalExpressionHolder([
6963:	'$' . $stmt->keyVar->name => ExpressionTypeHolder::createYes(new Variable($stmt->keyVar->name), $keyType),
6964:	], new ExpressionTypeHolder(new ArrayDimFetch($stmt->expr, $stmt->keyVar), $valueType, TrinaryLogic::createYes()));
6965:	$arrayDimFetchConditionalHolders[$arrayDimFetchHolder->getKey()] = $arrayDimFetchHolder;
6966:	}
6967:
6968:	$scope = $scope->addConditionalExpressions(
6969:	'$' . $stmt->valueVar->name,
6970:	$valueConditionalHolders,
6971:	);
6972:	if ($stmt->expr instanceof Variable && is_string($stmt->expr->name)) {
6973:	$scope = $scope->addConditionalExpressions(
6974:	sprintf('$%s[$%s]', $stmt->expr->name, $stmt->keyVar->name),
6975:	$arrayDimFetchConditionalHolders,
6976:	);
6977:	}
6978:	}
6979:
6980:	if (
6981:	$stmt->expr instanceof FuncCall
6982:	&& $stmt->expr->name instanceof Name
6983:	&& $stmt->expr->name->toLowerString() === 'array_keys'
6984:	&& $stmt->valueVar instanceof Variable
6985:	) {
6986:	$args = $stmt->expr->getArgs();
6987:	if (count($args) >= 1) {
6988:	$arrayArg = $args[0]->value;
6989:	$scope = $scope->assignExpression(
6990:	new ArrayDimFetch($arrayArg, $stmt->valueVar),
6991:	$scope->getType($arrayArg)->getIterableValueType(),
6992:	$scope->getNativeType($arrayArg)->getIterableValueType(),
6993:	);
6994:	}
6995:	}
6996:
6997:	return $this->processVarAnnotation($scope, $vars, $stmt);
6998:	}
6999:
7000:	/**
7001:	* @param callable(Node $node, Scope $scope): void $nodeCallback
7002:	*/
7003:	private function processTraitUse(Node\Stmt\TraitUse $node, MutatingScope $classScope, ExpressionResultStorage $storage, callable $nodeCallback): void
7004:	{
7005:	$parentTraitNames = [];
7006:	$parent = $classScope->getParentScope();
7007:	while ($parent !== null) {
7008:	if ($parent->isInTrait()) {
7009:	$parentTraitNames[] = $parent->getTraitReflection()->getName();
7010:	}
7011:	$parent = $parent->getParentScope();
7012:	}
7013:
7014:	foreach ($node->traits as $trait) {
7015:	$traitName = (string) $trait;
7016:	if (in_array($traitName, $parentTraitNames, true)) {
7017:	continue;
7018:	}
7019:	if (!$this->reflectionProvider->hasClass($traitName)) {
7020:	continue;
7021:	}
7022:	$traitReflection = $this->reflectionProvider->getClass($traitName);
7023:	$traitFileName = $traitReflection->getFileName();
7024:	if ($traitFileName === null) {
7025:	continue; // trait from eval or from PHP itself
7026:	}
7027:	$fileName = $this->fileHelper->normalizePath($traitFileName);
7028:	if (!isset($this->analysedFiles[$fileName])) {
7029:	continue;
7030:	}
7031:	$adaptations = [];
7032:	foreach ($node->adaptations as $adaptation) {
7033:	if ($adaptation->trait === null) {
7034:	$adaptations[] = $adaptation;
7035:	continue;
7036:	}
7037:	if ($adaptation->trait->toLowerString() !== $trait->toLowerString()) {
7038:	continue;
7039:	}
7040:
7041:	$adaptations[] = $adaptation;
7042:	}
7043:	$parserNodes = $this->parser->parseFile($fileName);
7044:	$this->processNodesForTraitUse($parserNodes, $traitReflection, $classScope, $storage, $adaptations, $nodeCallback);
7045:	}
7046:	}
7047:
7048:	/**
7049:	* @param Node[]\|Node\|scalar\|null $node
7050:	* @param Node\Stmt\TraitUseAdaptation[] $adaptations
7051:	* @param callable(Node $node, Scope $scope): void $nodeCallback
7052:	*/
7053:	private function processNodesForTraitUse($node, ClassReflection $traitReflection, MutatingScope $scope, ExpressionResultStorage $storage, array $adaptations, callable $nodeCallback): void
7054:	{
7055:	if ($node instanceof Node) {
7056:	if ($node instanceof Node\Stmt\Trait_ && $traitReflection->getName() === (string) $node->namespacedName && $traitReflection->getNativeReflection()->getStartLine() === $node->getStartLine()) {
7057:	$methodModifiers = [];
7058:	$methodNames = [];
7059:	foreach ($adaptations as $adaptation) {
7060:	if (!$adaptation instanceof Node\Stmt\TraitUseAdaptation\Alias) {
7061:	continue;
7062:	}
7063:
7064:	$methodName = $adaptation->method->toLowerString();
7065:	if ($adaptation->newModifier !== null) {
7066:	$methodModifiers[$methodName] = $adaptation->newModifier;
7067:	}
7068:
7069:	if ($adaptation->newName === null) {
7070:	continue;
7071:	}
7072:
7073:	$methodNames[$methodName] = $adaptation->newName;
7074:	}
7075:
7076:	$stmts = $node->stmts;
7077:	foreach ($stmts as $i => $stmt) {
7078:	if (!$stmt instanceof Node\Stmt\ClassMethod) {
7079:	continue;
7080:	}
7081:	$methodName = $stmt->name->toLowerString();
7082:	$methodAst = clone $stmt;
7083:	$stmts[$i] = $methodAst;
7084:	if (array_key_exists($methodName, $methodModifiers)) {
7085:	$methodAst->flags = ($methodAst->flags & ~ Modifiers::VISIBILITY_MASK) \| $methodModifiers[$methodName];
7086:	}
7087:
7088:	if (!array_key_exists($methodName, $methodNames)) {
7089:	continue;
7090:	}
7091:
7092:	$methodAst->setAttribute('originalTraitMethodName', $methodAst->name->toLowerString());
7093:	$methodAst->name = $methodNames[$methodName];
7094:	}
7095:
7096:	if (!$scope->isInClass()) {
7097:	throw new ShouldNotHappenException();
7098:	}
7099:	$traitScope = $scope->enterTrait($traitReflection);
7100:	$this->callNodeCallback($nodeCallback, new InTraitNode($node, $traitReflection, $scope->getClassReflection()), $traitScope, $storage);
7101:	$this->processStmtNodesInternal($node, $stmts, $traitScope, $storage, $nodeCallback, StatementContext::createTopLevel());
7102:	return;
7103:	}
7104:	if ($node instanceof Node\Stmt\ClassLike) {
7105:	return;
7106:	}
7107:	if ($node instanceof Node\FunctionLike) {
7108:	return;
7109:	}
7110:	foreach ($node->getSubNodeNames() as $subNodeName) {
7111:	$subNode = $node->{$subNodeName};
7112:	$this->processNodesForTraitUse($subNode, $traitReflection, $scope, $storage, $adaptations, $nodeCallback);
7113:	}
7114:	} elseif (is_array($node)) {
7115:	foreach ($node as $subNode) {
7116:	$this->processNodesForTraitUse($subNode, $traitReflection, $scope, $storage, $adaptations, $nodeCallback);
7117:	}
7118:	}
7119:	}
7120:
7121:	private function processCalledMethod(MethodReflection $methodReflection): ?MutatingScope
7122:	{
7123:	$declaringClass = $methodReflection->getDeclaringClass();
7124:	if ($declaringClass->isAnonymous()) {
7125:	return null;
7126:	}
7127:	if ($declaringClass->getFileName() === null) {
7128:	return null;
7129:	}
7130:
7131:	$stackName = sprintf('%s::%s', $declaringClass->getName(), $methodReflection->getName());
7132:	if (array_key_exists($stackName, $this->calledMethodResults)) {
7133:	return $this->calledMethodResults[$stackName];
7134:	}
7135:
7136:	if (array_key_exists($stackName, $this->calledMethodStack)) {
7137:	return null;
7138:	}
7139:
7140:	if (count($this->calledMethodStack) > 0) {
7141:	return null;
7142:	}
7143:
7144:	$this->calledMethodStack[$stackName] = true;
7145:
7146:	$fileName = $this->fileHelper->normalizePath($declaringClass->getFileName());
7147:	if (!isset($this->analysedFiles[$fileName])) {
7148:	return null;
7149:	}
7150:	$parserNodes = $this->parser->parseFile($fileName);
7151:
7152:	$returnStatement = null;
7153:	$this->processNodesForCalledMethod($parserNodes, new ExpressionResultStorage(), $fileName, $methodReflection, static function (Node $node, Scope $scope) use ($methodReflection, &$returnStatement): void {
7154:	if (!$node instanceof MethodReturnStatementsNode) {
7155:	return;
7156:	}
7157:
7158:	if ($node->getClassReflection()->getName() !== $methodReflection->getDeclaringClass()->getName()) {
7159:	return;
7160:	}
7161:
7162:	if ($returnStatement !== null) {
7163:	return;
7164:	}
7165:
7166:	$returnStatement = $node;
7167:	});
7168:
7169:	$calledMethodEndScope = null;
7170:	if ($returnStatement !== null) {
7171:	foreach ($returnStatement->getExecutionEnds() as $executionEnd) {
7172:	$statementResult = $executionEnd->getStatementResult();
7173:	$endNode = $executionEnd->getNode();
7174:	if ($endNode instanceof Node\Stmt\Expression) {
7175:	$exprType = $statementResult->getScope()->getType($endNode->expr);
7176:	if ($exprType instanceof NeverType && $exprType->isExplicit()) {
7177:	continue;
7178:	}
7179:	}
7180:	if ($calledMethodEndScope === null) {
7181:	$calledMethodEndScope = $statementResult->getScope();
7182:	continue;
7183:	}
7184:
7185:	$calledMethodEndScope = $calledMethodEndScope->mergeWith($statementResult->getScope());
7186:	}
7187:	foreach ($returnStatement->getReturnStatements() as $statement) {
7188:	if ($calledMethodEndScope === null) {
7189:	$calledMethodEndScope = $statement->getScope();
7190:	continue;
7191:	}
7192:
7193:	$calledMethodEndScope = $calledMethodEndScope->mergeWith($statement->getScope());
7194:	}
7195:	}
7196:
7197:	unset($this->calledMethodStack[$stackName]);
7198:
7199:	$this->calledMethodResults[$stackName] = $calledMethodEndScope;
7200:
7201:	return $calledMethodEndScope;
7202:	}
7203:
7204:	/**
7205:	* @param Node[]\|Node\|scalar\|null $node
7206:	* @param callable(Node $node, Scope $scope): void $nodeCallback
7207:	*/
7208:	private function processNodesForCalledMethod($node, ExpressionResultStorage $storage, string $fileName, MethodReflection $methodReflection, callable $nodeCallback): void
7209:	{
7210:	if ($node instanceof Node) {
7211:	$declaringClass = $methodReflection->getDeclaringClass();
7212:	if (
7213:	$node instanceof Node\Stmt\Class_
7214:	&& isset($node->namespacedName)
7215:	&& $declaringClass->getName() === (string) $node->namespacedName
7216:	&& $declaringClass->getNativeReflection()->getStartLine() === $node->getStartLine()
7217:	) {
7218:
7219:	$stmts = $node->stmts;
7220:	foreach ($stmts as $stmt) {
7221:	if (!$stmt instanceof Node\Stmt\ClassMethod) {
7222:	continue;
7223:	}
7224:
7225:	if ($stmt->name->toString() !== $methodReflection->getName()) {
7226:	continue;
7227:	}
7228:
7229:	if ($stmt->getEndLine() - $stmt->getStartLine() > 50) {
7230:	continue;
7231:	}
7232:
7233:	$scope = $this->scopeFactory->create(ScopeContext::create($fileName))->enterClass($declaringClass);
7234:	$this->processStmtNode($stmt, $scope, $storage, $nodeCallback, StatementContext::createTopLevel());
7235:	}
7236:	return;
7237:	}
7238:	if ($node instanceof Node\Stmt\ClassLike) {
7239:	return;
7240:	}
7241:	if ($node instanceof Node\FunctionLike) {
7242:	return;
7243:	}
7244:	foreach ($node->getSubNodeNames() as $subNodeName) {
7245:	$subNode = $node->{$subNodeName};
7246:	$this->processNodesForCalledMethod($subNode, $storage, $fileName, $methodReflection, $nodeCallback);
7247:	}
7248:	} elseif (is_array($node)) {
7249:	foreach ($node as $subNode) {
7250:	$this->processNodesForCalledMethod($subNode, $storage, $fileName, $methodReflection, $nodeCallback);
7251:	}
7252:	}
7253:	}
7254:
7255:	/**
7256:	* @return array{TemplateTypeMap, array<string, Type>, array<string, bool>, array<string, Type>, ?Type, ?Type, ?string, bool, bool, bool, bool\|null, bool, bool, string\|null, Assertions, ?Type, array<string, Type>, array<(string\|int), VarTag>, bool}
7257:	*/
7258:	public function getPhpDocs(Scope $scope, Node\FunctionLike\|Node\Stmt\Property $node): array
7259:	{
7260:	$templateTypeMap = TemplateTypeMap::createEmpty();
7261:	$phpDocParameterTypes = [];
7262:	$phpDocImmediatelyInvokedCallableParameters = [];
7263:	$phpDocClosureThisTypeParameters = [];
7264:	$phpDocReturnType = null;
7265:	$phpDocThrowType = null;
7266:	$deprecatedDescription = null;
7267:	$isDeprecated = false;
7268:	$isInternal = false;
7269:	$isFinal = false;
7270:	$isPure = null;
7271:	$isAllowedPrivateMutation = false;
7272:	$acceptsNamedArguments = true;
7273:	$isReadOnly = $scope->isInClass() && $scope->getClassReflection()->isImmutable();
7274:	$asserts = Assertions::createEmpty();
7275:	$selfOutType = null;
7276:	$docComment = $node->getDocComment() !== null
7277:	? $node->getDocComment()->getText()
7278:	: null;
7279:
7280:	$file = $scope->getFile();
7281:	$class = $scope->isInClass() ? $scope->getClassReflection()->getName() : null;
7282:	$trait = $scope->isInTrait() ? $scope->getTraitReflection()->getName() : null;
7283:	$resolvedPhpDoc = null;
7284:	$functionName = null;
7285:	$phpDocParameterOutTypes = [];
7286:
7287:	if ($node instanceof Node\Stmt\ClassMethod) {
7288:	if (!$scope->isInClass()) {
7289:	throw new ShouldNotHappenException();
7290:	}
7291:	$functionName = $node->name->name;
7292:	$positionalParameterNames = array_map(static function (Node\Param $param): string {
7293:	if (!$param->var instanceof Variable \|\| !is_string($param->var->name)) {
7294:	throw new ShouldNotHappenException();
7295:	}
7296:
7297:	return $param->var->name;
7298:	}, $node->getParams());
7299:	$resolvedPhpDoc = $this->phpDocInheritanceResolver->resolvePhpDocForMethod(
7300:	$docComment,
7301:	$file,
7302:	$scope->getClassReflection(),
7303:	$trait,
7304:	$node->name->name,
7305:	$positionalParameterNames,
7306:	);
7307:
7308:	if ($node->name->toLowerString() === '__construct') {
7309:	foreach ($node->params as $param) {
7310:	if ($param->flags === 0) {
7311:	continue;
7312:	}
7313:
7314:	if ($param->getDocComment() === null) {
7315:	continue;
7316:	}
7317:
7318:	if (
7319:	!$param->var instanceof Variable
7320:	\|\| !is_string($param->var->name)
7321:	) {
7322:	throw new ShouldNotHappenException();
7323:	}
7324:
7325:	$paramPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
7326:	$file,
7327:	$class,
7328:	$trait,
7329:	'__construct',
7330:	$param->getDocComment()->getText(),
7331:	);
7332:	$varTags = $paramPhpDoc->getVarTags();
7333:	if (isset($varTags[0]) && count($varTags) === 1) {
7334:	$phpDocType = $varTags[0]->getType();
7335:	} elseif (isset($varTags[$param->var->name])) {
7336:	$phpDocType = $varTags[$param->var->name]->getType();
7337:	} else {
7338:	continue;
7339:	}
7340:
7341:	$phpDocParameterTypes[$param->var->name] = $phpDocType;
7342:	}
7343:	}
7344:	} elseif ($node instanceof Node\Stmt\Function_) {
7345:	$functionName = trim($scope->getNamespace() . '\\' . $node->name->name, '\\');
7346:	} elseif ($node instanceof Node\PropertyHook) {
7347:	$propertyName = $node->getAttribute('propertyName');
7348:	if ($propertyName !== null) {
7349:	$functionName = sprintf('$%s::%s', $propertyName, $node->name->toString());
7350:	}
7351:	}
7352:
7353:	if ($docComment !== null && $resolvedPhpDoc === null) {
7354:	$resolvedPhpDoc = $this->fileTypeMapper->getResolvedPhpDoc(
7355:	$file,
7356:	$class,
7357:	$trait,
7358:	$functionName,
7359:	$docComment,
7360:	);
7361:	}
7362:
7363:	$varTags = [];
7364:	if ($resolvedPhpDoc !== null) {
7365:	$templateTypeMap = $resolvedPhpDoc->getTemplateTypeMap();
7366:	$phpDocImmediatelyInvokedCallableParameters = $resolvedPhpDoc->getParamsImmediatelyInvokedCallable();
7367:	foreach ($resolvedPhpDoc->getParamTags() as $paramName => $paramTag) {
7368:	if (array_key_exists($paramName, $phpDocParameterTypes)) {
7369:	continue;
7370:	}
7371:	$paramType = $paramTag->getType();
7372:	if ($scope->isInClass()) {
7373:	$paramType = $this->transformStaticType($scope->getClassReflection(), $paramType);
7374:	}
7375:	$phpDocParameterTypes[$paramName] = $paramType;
7376:	}
7377:	foreach ($resolvedPhpDoc->getParamClosureThisTags() as $paramName => $paramClosureThisTag) {
7378:	if (array_key_exists($paramName, $phpDocClosureThisTypeParameters)) {
7379:	continue;
7380:	}
7381:	$paramClosureThisType = $paramClosureThisTag->getType();
7382:	if ($scope->isInClass()) {
7383:	$paramClosureThisType = $this->transformStaticType($scope->getClassReflection(), $paramClosureThisType);
7384:	}
7385:	$phpDocClosureThisTypeParameters[$paramName] = $paramClosureThisType;
7386:	}
7387:
7388:	foreach ($resolvedPhpDoc->getParamOutTags() as $paramName => $paramOutTag) {
7389:	$phpDocParameterOutTypes[$paramName] = $paramOutTag->getType();
7390:	}
7391:	if ($node instanceof Node\FunctionLike) {
7392:	$nativeReturnType = $scope->getFunctionType($node->getReturnType(), false, false);
7393:	$phpDocReturnType = $this->getPhpDocReturnType($resolvedPhpDoc, $nativeReturnType);
7394:	if ($phpDocReturnType !== null && $scope->isInClass()) {
7395:	$phpDocReturnType = $this->transformStaticType($scope->getClassReflection(), $phpDocReturnType);
7396:	}
7397:	}
7398:	$phpDocThrowType = $resolvedPhpDoc->getThrowsTag() !== null ? $resolvedPhpDoc->getThrowsTag()->getType() : null;
7399:	$deprecatedDescription = $resolvedPhpDoc->getDeprecatedTag() !== null ? $resolvedPhpDoc->getDeprecatedTag()->getMessage() : null;
7400:	$isDeprecated = $resolvedPhpDoc->isDeprecated();
7401:	$isInternal = $resolvedPhpDoc->isInternal();
7402:	$isFinal = $resolvedPhpDoc->isFinal();
7403:	$isPure = $resolvedPhpDoc->isPure();
7404:	$isAllowedPrivateMutation = $resolvedPhpDoc->isAllowedPrivateMutation();
7405:	$acceptsNamedArguments = $resolvedPhpDoc->acceptsNamedArguments();
7406:	if ($acceptsNamedArguments && $scope->isInClass()) {
7407:	$acceptsNamedArguments = $scope->getClassReflection()->acceptsNamedArguments();
7408:	}
7409:	$isReadOnly = $isReadOnly \|\| $resolvedPhpDoc->isReadOnly();
7410:	$asserts = Assertions::createFromResolvedPhpDocBlock($resolvedPhpDoc);
7411:	$selfOutType = $resolvedPhpDoc->getSelfOutTag() !== null ? $resolvedPhpDoc->getSelfOutTag()->getType() : null;
7412:	$varTags = $resolvedPhpDoc->getVarTags();
7413:	}
7414:
7415:	return [$templateTypeMap, $phpDocParameterTypes, $phpDocImmediatelyInvokedCallableParameters, $phpDocClosureThisTypeParameters, $phpDocReturnType, $phpDocThrowType, $deprecatedDescription, $isDeprecated, $isInternal, $isFinal, $isPure, $acceptsNamedArguments, $isReadOnly, $docComment, $asserts, $selfOutType, $phpDocParameterOutTypes, $varTags, $isAllowedPrivateMutation];
7416:	}
7417:
7418:	private function transformStaticType(ClassReflection $declaringClass, Type $type): Type
7419:	{
7420:	return TypeTraverser::map($type, static function (Type $type, callable $traverse) use ($declaringClass): Type {
7421:	if ($type instanceof StaticType) {
7422:	$changedType = $type->changeBaseClass($declaringClass);
7423:	if ($declaringClass->isFinal() && !$type instanceof ThisType) {
7424:	$changedType = $changedType->getStaticObjectType();
7425:	}
7426:	return $traverse($changedType);
7427:	}
7428:
7429:	return $traverse($type);
7430:	});
7431:	}
7432:
7433:	private function getPhpDocReturnType(ResolvedPhpDocBlock $resolvedPhpDoc, Type $nativeReturnType): ?Type
7434:	{
7435:	$returnTag = $resolvedPhpDoc->getReturnTag();
7436:
7437:	if ($returnTag === null) {
7438:	return null;
7439:	}
7440:
7441:	$phpDocReturnType = $returnTag->getType();
7442:
7443:	if ($returnTag->isExplicit()) {
7444:	return $phpDocReturnType;
7445:	}
7446:
7447:	if ($nativeReturnType->isSuperTypeOf(TemplateTypeHelper::resolveToBounds($phpDocReturnType))->yes()) {
7448:	return $phpDocReturnType;
7449:	}
7450:
7451:	if ($phpDocReturnType instanceof UnionType) {
7452:	$types = [];
7453:	foreach ($phpDocReturnType->getTypes() as $innerType) {
7454:	if (!$nativeReturnType->isSuperTypeOf($innerType)->yes()) {
7455:	continue;
7456:	}
7457:
7458:	$types[] = $innerType;
7459:	}
7460:
7461:	if (count($types) === 0) {
7462:	return null;
7463:	}
7464:
7465:	return TypeCombinator::union(...$types);
7466:	}
7467:
7468:	return null;
7469:	}
7470:
7471:	/**
7472:	* @param array<Node> $nodes
7473:	* @return list<Node\Stmt>
7474:	*/
7475:	private function getNextUnreachableStatements(array $nodes, bool $earlyBinding): array
7476:	{
7477:	$stmts = [];
7478:	$isPassedUnreachableStatement = false;
7479:	foreach ($nodes as $node) {
7480:	if ($earlyBinding && ($node instanceof Node\Stmt\Function_ \|\| $node instanceof Node\Stmt\ClassLike \|\| $node instanceof Node\Stmt\HaltCompiler)) {
7481:	continue;
7482:	}
7483:	if ($isPassedUnreachableStatement && $node instanceof Node\Stmt) {
7484:	$stmts[] = $node;
7485:	continue;
7486:	}
7487:	if ($node instanceof Node\Stmt\Nop \|\| $node instanceof Node\Stmt\InlineHTML) {
7488:	continue;
7489:	}
7490:	if (!$node instanceof Node\Stmt) {
7491:	continue;
7492:	}
7493:	$stmts[] = $node;
7494:	$isPassedUnreachableStatement = true;
7495:	}
7496:	return $stmts;
7497:	}
7498:
7499:	/**
7500:	* @param array<Expr> $conditions
7501:	*/
7502:	private function getFilteringExprForMatchArm(Expr\Match_ $expr, array $conditions): BinaryOp\Identical\|FuncCall
7503:	{
7504:	if (count($conditions) === 1) {
7505:	return new BinaryOp\Identical($expr->cond, $conditions[0]);
7506:	}
7507:
7508:	$items = [];
7509:	foreach ($conditions as $filteringExpr) {
7510:	$items[] = new Node\ArrayItem($filteringExpr);
7511:	}
7512:
7513:	return new FuncCall(
7514:	new Name\FullyQualified('in_array'),
7515:	[
7516:	new Arg($expr->cond),
7517:	new Arg(new Array_($items)),
7518:	new Arg(new ConstFetch(new Name\FullyQualified('true'))),
7519:	],
7520:	);
7521:	}
7522:
7523:	private function inferForLoopExpressions(For_ $stmt, Expr $lastCondExpr, MutatingScope $bodyScope): MutatingScope
7524:	{
7525:	// infer $items[$i] type from for ($i = 0; $i < count($items); $i++) {...}
7526:
7527:	if (
7528:	// $i = 0
7529:	count($stmt->init) === 1
7530:	&& $stmt->init[0] instanceof Assign
7531:	&& $stmt->init[0]->var instanceof Variable
7532:	&& $stmt->init[0]->expr instanceof Node\Scalar\Int_
7533:	&& $stmt->init[0]->expr->value === 0
7534:	// $i++ or ++$i
7535:	&& count($stmt->loop) === 1
7536:	&& ($stmt->loop[0] instanceof Expr\PreInc \|\| $stmt->loop[0] instanceof Expr\PostInc)
7537:	&& $stmt->loop[0]->var instanceof Variable
7538:	) {
7539:	// $i < count($items)
7540:	if (
7541:	$lastCondExpr instanceof BinaryOp\Smaller
7542:	&& $lastCondExpr->left instanceof Variable
7543:	&& $lastCondExpr->right instanceof FuncCall
7544:	&& $lastCondExpr->right->name instanceof Name
7545:	&& $lastCondExpr->right->name->toLowerString() === 'count'
7546:	&& count($lastCondExpr->right->getArgs()) > 0
7547:	&& $lastCondExpr->right->getArgs()[0]->value instanceof Variable
7548:	&& is_string($stmt->init[0]->var->name)
7549:	&& $stmt->init[0]->var->name === $stmt->loop[0]->var->name
7550:	&& $stmt->init[0]->var->name === $lastCondExpr->left->name
7551:	) {
7552:	$arrayArg = $lastCondExpr->right->getArgs()[0]->value;
7553:	$bodyScope = $bodyScope->assignExpression(
7554:	new ArrayDimFetch($lastCondExpr->right->getArgs()[0]->value, $lastCondExpr->left),
7555:	$bodyScope->getType($arrayArg)->getIterableValueType(),
7556:	$bodyScope->getNativeType($arrayArg)->getIterableValueType(),
7557:	);
7558:	}
7559:
7560:	// count($items) > $i
7561:	if (
7562:	$lastCondExpr instanceof BinaryOp\Greater
7563:	&& $lastCondExpr->right instanceof Variable
7564:	&& $lastCondExpr->left instanceof FuncCall
7565:	&& $lastCondExpr->left->name instanceof Name
7566:	&& $lastCondExpr->left->name->toLowerString() === 'count'
7567:	&& count($lastCondExpr->left->getArgs()) > 0
7568:	&& $lastCondExpr->left->getArgs()[0]->value instanceof Variable
7569:	&& is_string($stmt->init[0]->var->name)
7570:	&& $stmt->init[0]->var->name === $stmt->loop[0]->var->name
7571:	&& $stmt->init[0]->var->name === $lastCondExpr->right->name
7572:	) {
7573:	$arrayArg = $lastCondExpr->left->getArgs()[0]->value;
7574:	$bodyScope = $bodyScope->assignExpression(
7575:	new ArrayDimFetch($lastCondExpr->left->getArgs()[0]->value, $lastCondExpr->right),
7576:	$bodyScope->getType($arrayArg)->getIterableValueType(),
7577:	$bodyScope->getNativeType($arrayArg)->getIterableValueType(),
7578:	);
7579:	}
7580:	}
7581:
7582:	return $bodyScope;
7583:	}
7584:
7585:	}
7586:

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