File src/Analyser/NodeScopeResolver.php

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

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