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

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