packages/deriver/tests/Unit/Deriver/Evaluator/Execution/Summary/InvocationTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Execution\Summary;
6
7use Deriver\Deriver;
8use Deriver\Deriver\Candidate\ResultRef;
9use Deriver\Deriver\Candidate\Snapshot;
10use Deriver\Deriver\Candidate\Statistics;
11use Deriver\Deriver\Contributions;
12use Deriver\Deriver\DeriverConfig;
13use Deriver\Deriver\Evaluator\Call\Evaluators;
14use Deriver\Deriver\Evaluator\Call\Extensions;
15use Deriver\Deriver\Evaluator\Call\Provider\DispatchDecision;
16use Deriver\Deriver\Evaluator\Call\Registrations;
17use Deriver\Deriver\Evaluator\Call\StateRegistry;
18use Deriver\Deriver\Evaluator\EvaluatorConfig;
19use Deriver\Deriver\Evaluator\Evidence\Frontier;
20use Deriver\Deriver\Evaluator\Execution\Call\Allocation;
21use Deriver\Deriver\Evaluator\Execution\Call\ArgumentBinding;
22use Deriver\Deriver\Evaluator\Execution\Call\ArgumentOrder;
23use Deriver\Deriver\Evaluator\Execution\Call\CallableCheck;
24use Deriver\Deriver\Evaluator\Execution\Call\CallExecutor;
25use Deriver\Deriver\Evaluator\Execution\Call\CallResolution;
26use Deriver\Deriver\Evaluator\Execution\Call\Creation\Access;
27use Deriver\Deriver\Evaluator\Execution\Call\Member\Constants;
28use Deriver\Deriver\Evaluator\Execution\Call\Member\Invocation as MemberInvocation;
29use Deriver\Deriver\Evaluator\Execution\Call\MethodInvocation;
30use Deriver\Deriver\Evaluator\Execution\Call\Native\Invocation as NativeInvocation;
31use Deriver\Deriver\Evaluator\Execution\Call\Native\Properties;
32use Deriver\Deriver\Evaluator\Execution\Call\Native\Signatures;
33use Deriver\Deriver\Evaluator\Execution\Call\ParameterBinding;
34use Deriver\Deriver\Evaluator\Execution\Call\PassedArgument;
35use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Creation;
36use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Methods;
37use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Resolution;
38use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Target;
39use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Transfer;
40use Deriver\Deriver\Evaluator\Execution\Call\TypeBinding;
41use Deriver\Deriver\Evaluator\Execution\Call\TypeCheck;
42use Deriver\Deriver\Evaluator\Execution\Completion\Alternative;
43use Deriver\Deriver\Evaluator\Execution\Completion\Assessment;
44use Deriver\Deriver\Evaluator\Execution\Completion\Completion;
45use Deriver\Deriver\Evaluator\Execution\Completion\StorageSnapshot;
46use Deriver\Deriver\Evaluator\Execution\Constant\ClassNames;
47use Deriver\Deriver\Evaluator\Execution\Context;
48use Deriver\Deriver\Evaluator\Execution\Control\ObservationLimit;
49use Deriver\Deriver\Evaluator\Execution\Control\StateJoin;
50use Deriver\Deriver\Evaluator\Execution\Control\Unwinding;
51use Deriver\Deriver\Evaluator\Execution\Demand\Cell;
52use Deriver\Deriver\Evaluator\Execution\Demand\Components;
53use Deriver\Deriver\Evaluator\Execution\Demand\Discovery;
54use Deriver\Deriver\Evaluator\Execution\Demand\Key;
55use Deriver\Deriver\Evaluator\Execution\Demand\Table;
56use Deriver\Deriver\Evaluator\Execution\Dependencies;
57use Deriver\Deriver\Evaluator\Execution\Evaluator;
58use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
59use Deriver\Deriver\Evaluator\Execution\InstructionTransfer;
60use Deriver\Deriver\Evaluator\Execution\Memory\Location;
61use Deriver\Deriver\Evaluator\Execution\Memory\Materialization;
62use Deriver\Deriver\Evaluator\Execution\Memory\Memory;
63use Deriver\Deriver\Evaluator\Execution\Memory\ReferenceConstraint;
64use Deriver\Deriver\Evaluator\Execution\Memory\Slots\SlotReference;
65use Deriver\Deriver\Evaluator\Execution\Memory\Slots\StateStorage;
66use Deriver\Deriver\Evaluator\Execution\Memory\StorageCapture;
67use Deriver\Deriver\Evaluator\Execution\ObservationCollector;
68use Deriver\Deriver\Evaluator\Execution\Operation\Conversions;
69use Deriver\Deriver\Evaluator\Execution\Operation\ScalarErrors;
70use Deriver\Deriver\Evaluator\Execution\State;
71use Deriver\Deriver\Evaluator\Execution\Summary\CompletionRecord;
72use Deriver\Deriver\Evaluator\Execution\Summary\Evaluation;
73use Deriver\Deriver\Evaluator\Execution\Summary\Invocation;
74use Deriver\Deriver\Evaluator\Execution\Summary\Isolation;
75use Deriver\Deriver\Evaluator\Execution\Trace\Derivation;
76use Deriver\Deriver\Evaluator\Execution\Transfer\CallableTransfer;
77use Deriver\Deriver\Evaluator\Execution\Transfer\ConstantTransfer;
78use Deriver\Deriver\Evaluator\Execution\Transfer\MemoryStep;
79use Deriver\Deriver\Evaluator\Execution\Transfer\ObjectAccess;
80use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyAccessCheck;
81use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyLookup;
82use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyMagic;
83use Deriver\Deriver\Evaluator\Execution\Transfer\PropertySlot;
84use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyTransfer;
85use Deriver\Deriver\Evaluator\Execution\Transfer\PureStep;
86use Deriver\Deriver\Evaluator\Execution\Transfer\ReferenceAssignment;
87use Deriver\Deriver\Evaluator\Request\Budget;
88use Deriver\Deriver\Evaluator\Request\EntryPoint;
89use Deriver\Deriver\Evaluator\Request\QueryScope;
90use Deriver\Deriver\Evaluator\Request\ReturnQuery;
91use Deriver\Deriver\Evaluator\Scalar\Arithmetic;
92use Deriver\Deriver\Evaluator\Scalar\Arrays;
93use Deriver\Deriver\Evaluator\Scalar\Identity;
94use Deriver\Deriver\Evaluator\Scalar\Increment;
95use Deriver\Deriver\Evaluator\Scalar\Operations;
96use Deriver\Deriver\Evaluator\TargetProfile;
97use Deriver\Deriver\Evaluator\Term;
98use Deriver\Deriver\Execution\DerivationResult;
99use Deriver\Deriver\Execution\QueryExecution;
100use Deriver\Deriver\Execution\ResultAssessment;
101use Deriver\Deriver\Identity\QueryEncoding;
102use Deriver\Deriver\Identity\ValueGraph;
103use Deriver\Deriver\Lowerer\AggregateLowering;
104use Deriver\Deriver\Lowerer\AssignmentLowering;
105use Deriver\Deriver\Lowerer\CallLowering;
106use Deriver\Deriver\Lowerer\Control\DestructuringLowering;
107use Deriver\Deriver\Lowerer\Declaration\CallableIdentity;
108use Deriver\Deriver\Lowerer\Declaration\CallableSource;
109use Deriver\Deriver\Lowerer\Declaration\ConstantSignatures;
110use Deriver\Deriver\Lowerer\Declaration\Index;
111use Deriver\Deriver\Lowerer\Declaration\Indexer;
112use Deriver\Deriver\Lowerer\Declaration\Metadata\ClassConstant;
113use Deriver\Deriver\Lowerer\Declaration\Metadata\ClassDeclaration;
114use Deriver\Deriver\Lowerer\Declaration\Metadata\PropertyDeclaration;
115use Deriver\Deriver\Lowerer\Declaration\Traits\Composition;
116use Deriver\Deriver\Lowerer\EffectInspection;
117use Deriver\Deriver\Lowerer\ExpressionLowering;
118use Deriver\Deriver\Lowerer\Graph\BasicBlock;
119use Deriver\Deriver\Lowerer\Graph\CallableGraph;
120use Deriver\Deriver\Lowerer\Graph\Instruction;
121use Deriver\Deriver\Lowerer\Graph\Parameter;
122use Deriver\Deriver\Lowerer\Graph\Terminator;
123use Deriver\Deriver\Lowerer\Hierarchy\Access as HierarchyAccess;
124use Deriver\Deriver\Lowerer\Hierarchy\Builtins;
125use Deriver\Deriver\Lowerer\Hierarchy\Dispatch;
126use Deriver\Deriver\Lowerer\InstructionEmitter;
127use Deriver\Deriver\Lowerer\Lowerer;
128use Deriver\Deriver\Lowerer\LoweringScope;
129use Deriver\Deriver\Lowerer\StatementLowering;
130use Deriver\Deriver\MicroEvaluatorConversion;
131use Deriver\Deriver\Parser\Node\File;
132use Deriver\Deriver\Parser\Parser;
133use Deriver\Deriver\Parser\ParserConfig;
134use Deriver\Deriver\Parser\TargetSyntax;
135use Deriver\Deriver\Providers\ProviderExpansion;
136use Deriver\Deriver\Resolver\AssignmentPatterns;
137use Deriver\Deriver\Resolver\ClassScope;
138use Deriver\Deriver\Resolver\ExpressionValidation;
139use Deriver\Deriver\Resolver\MagicContext;
140use Deriver\Deriver\Resolver\Resolver;
141use Deriver\Deriver\Selection\QueryValidation;
142use Deriver\Deriver\SnapshotIdentity;
143use Deriver\Deriver\Sources\LineMap;
144use Deriver\Deriver\Sources\Path;
145use Deriver\Deriver\Sources\Source;
146use Deriver\Deriver\Sources\SourceRef;
147use Deriver\Deriver\Sources\Sources;
148use Deriver\Exception\ParserException;
149use Deriver\Exception\ResolutionException;
150use JsonException;
151use PHPUnit\Framework\Attributes\CoversClass;
152use PHPUnit\Framework\Attributes\DataProvider;
153use PHPUnit\Framework\Attributes\Small;
154use PHPUnit\Framework\Attributes\UsesClass;
155use PHPUnit\Framework\TestCase;
156
157/**
158 * @covers \Deriver\Deriver\Evaluator\Execution\Summary\Invocation
159 */
160#[UsesClass(Resolver::class)]
161#[UsesClass(ExpressionValidation::class)]
162#[UsesClass(ResolutionException::class)]
163#[UsesClass(ParserConfig::class)]
164#[UsesClass(ParserException::class)]
165#[CoversClass(Invocation::class)]
166#[UsesClass(QueryExecution::class)]
167#[UsesClass(QueryValidation::class)]
168#[UsesClass(ResultAssessment::class)]
169#[UsesClass(Deriver::class)]
170#[UsesClass(BasicBlock::class)]
171#[UsesClass(CallableGraph::class)]
172#[UsesClass(CallableIdentity::class)]
173#[UsesClass(ClassConstant::class)]
174#[UsesClass(ClassDeclaration::class)]
175#[UsesClass(Instruction::class)]
176#[UsesClass(Parameter::class)]
177#[UsesClass(PropertyDeclaration::class)]
178#[UsesClass(Terminator::class)]
179#[UsesClass(Allocation::class)]
180#[UsesClass(ArgumentBinding::class)]
181#[UsesClass(ArgumentOrder::class)]
182#[UsesClass(CallExecutor::class)]
183#[UsesClass(CallResolution::class)]
184#[UsesClass(CallableCheck::class)]
185#[UsesClass(Access::class)]
186#[UsesClass(Builtins::class)]
187#[UsesClass(Dispatch::class)]
188#[UsesClass(HierarchyAccess::class)]
189#[UsesClass(Constants::class)]
190#[UsesClass(MemberInvocation::class)]
191#[UsesClass(MethodInvocation::class)]
192#[UsesClass(NativeInvocation::class)]
193#[UsesClass(Properties::class)]
194#[UsesClass(Signatures::class)]
195#[UsesClass(ParameterBinding::class)]
196#[UsesClass(PassedArgument::class)]
197#[UsesClass(Creation::class)]
198#[UsesClass(Methods::class)]
199#[UsesClass(Resolution::class)]
200#[UsesClass(Target::class)]
201#[UsesClass(Transfer::class)]
202#[UsesClass(TypeBinding::class)]
203#[UsesClass(TypeCheck::class)]
204#[UsesClass(Completion::class)]
205#[UsesClass(ClassNames::class)]
206#[UsesClass(Context::class)]
207#[UsesClass(ObservationLimit::class)]
208#[UsesClass(StateJoin::class)]
209#[UsesClass(Unwinding::class)]
210#[UsesClass(Cell::class)]
211#[UsesClass(Components::class)]
212#[UsesClass(Discovery::class)]
213#[UsesClass(Key::class)]
214#[UsesClass(Table::class)]
215#[UsesClass(Dependencies::class)]
216#[UsesClass(InstructionTransfer::class)]
217#[UsesClass(Evaluator::class)]
218#[UsesClass(SlotReference::class)]
219#[UsesClass(StateStorage::class)]
220#[UsesClass(ObservationCollector::class)]
221#[UsesClass(Conversions::class)]
222#[UsesClass(ScalarErrors::class)]
223#[UsesClass(State::class)]
224#[UsesClass(CompletionRecord::class)]
225#[UsesClass(Evaluation::class)]
226#[UsesClass(Isolation::class)]
227#[UsesClass(CallableTransfer::class)]
228#[UsesClass(ConstantTransfer::class)]
229#[UsesClass(MemoryStep::class)]
230#[UsesClass(ObjectAccess::class)]
231#[UsesClass(PropertyAccessCheck::class)]
232#[UsesClass(PropertyLookup::class)]
233#[UsesClass(PropertyMagic::class)]
234#[UsesClass(PropertySlot::class)]
235#[UsesClass(PropertyTransfer::class)]
236#[UsesClass(PureStep::class)]
237#[UsesClass(ReferenceAssignment::class)]
238#[UsesClass(Location::class)]
239#[UsesClass(Materialization::class)]
240#[UsesClass(Memory::class)]
241#[UsesClass(ReferenceConstraint::class)]
242#[UsesClass(StorageCapture::class)]
243#[UsesClass(DispatchDecision::class)]
244#[UsesClass(Extensions::class)]
245#[UsesClass(ProviderExpansion::class)]
246#[UsesClass(Evaluators::class)]
247#[UsesClass(StateRegistry::class)]
248#[UsesClass(DeriverConfig::class)]
249#[UsesClass(EntryPoint::class)]
250#[UsesClass(Sources::class)]
251#[UsesClass(Path::class)]
252#[UsesClass(Snapshot::class)]
253#[UsesClass(Source::class)]
254#[UsesClass(TargetProfile::class)]
255#[UsesClass(Budget::class)]
256#[UsesClass(QueryScope::class)]
257#[UsesClass(ReturnQuery::class)]
258#[UsesClass(ResultRef::class)]
259#[UsesClass(SourceRef::class)]
260#[UsesClass(Alternative::class)]
261#[UsesClass(Assessment::class)]
262#[UsesClass(Derivation::class)]
263#[UsesClass(DerivationResult::class)]
264#[UsesClass(QueryEncoding::class)]
265#[UsesClass(ValueGraph::class)]
266#[UsesClass(Statistics::class)]
267#[UsesClass(StorageSnapshot::class)]
268#[UsesClass(Parser::class)]
269#[UsesClass(File::class)]
270#[UsesClass(AggregateLowering::class)]
271#[UsesClass(AssignmentLowering::class)]
272#[UsesClass(CallLowering::class)]
273#[UsesClass(Lowerer::class)]
274#[UsesClass(DestructuringLowering::class)]
275#[UsesClass(EffectInspection::class)]
276#[UsesClass(ExpressionLowering::class)]
277#[UsesClass(InstructionEmitter::class)]
278#[UsesClass(LoweringScope::class)]
279#[UsesClass(StatementLowering::class)]
280#[UsesClass(ConstantSignatures::class)]
281#[UsesClass(CallableSource::class)]
282#[UsesClass(Indexer::class)]
283#[UsesClass(Index::class)]
284#[UsesClass(Composition::class)]
285#[UsesClass(LineMap::class)]
286#[UsesClass(MagicContext::class)]
287#[UsesClass(AssignmentPatterns::class)]
288#[UsesClass(ClassScope::class)]
289#[UsesClass(TargetSyntax::class)]
290#[UsesClass(Arithmetic::class)]
291#[UsesClass(Arrays::class)]
292#[UsesClass(Identity::class)]
293#[UsesClass(Increment::class)]
294#[UsesClass(Operations::class)]
295#[UsesClass(Term::class)]
296#[Small]
297final class InvocationTest extends TestCase
298{
299    public function testKeyIgnoresUnrelatedCallerCellsAndEarlierCallHistory(): void
300    {
301        $source = '<?php function target(){return 1;}';
302        $budget = new Budget();
303        $configuration = new DeriverConfig();
304        $contributions = new Contributions();
305        $input = new Sources([new Source('fixture.php', $source)]);
306        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
307        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
308        $contributions1 = $providers->contributions;
309        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
310        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
311        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
312        $snapshotId = $identity->id;
313        $input1 = $providers->input;
314        $parser = new Parser(new ParserConfig($target->version));
315        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
316        $program1 = new Index($snapshotId, $trees);
317        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
318        $snapshotId1 = 'test';
319        $input2 = new Sources([new Source('fixture.php', $source)]);
320        $profile = $execution->configuration->target;
321        $parser1 = new Parser(new ParserConfig($profile->version));
322        $trees1 = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser1->parse(new Source(Path::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($input2, false));
323        $program = new Index($snapshotId1, $trees1);
324        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
325        $symbol = 'target';
326        $body = $context->program->callable($symbol);
327        self::assertNotNull($body);
328        $a = new State();
329        $a->locals['x'] = $a->memory->allocate(Term::constant(3));
330        $b = new State();
331        $b->memory->allocate(Term::constant('unrelated'));
332        $b->locals['x'] = $b->memory->allocate(Term::constant(3));
333        $invocation = new Invocation();
334        self::assertSame($invocation->key($body, $a, ['old-a', 'one', 'two'])->id(), $invocation->key($body, $b, ['old-b', 'one', 'two'])->id());
335    }
336    public function testKeySeparatesBoundInputsAndConstraintPartitions(): void
337    {
338        $source = '<?php function target(){return 1;}';
339        $budget = new Budget();
340        $configuration = new DeriverConfig();
341        $contributions = new Contributions();
342        $input = new Sources([new Source('fixture.php', $source)]);
343        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
344        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
345        $contributions1 = $providers->contributions;
346        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
347        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
348        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
349        $snapshotId = $identity->id;
350        $input1 = $providers->input;
351        $parser = new Parser(new ParserConfig($target->version));
352        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
353        $program1 = new Index($snapshotId, $trees);
354        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
355        $snapshotId1 = 'test';
356        $input2 = new Sources([new Source('fixture.php', $source)]);
357        $profile = $execution->configuration->target;
358        $parser1 = new Parser(new ParserConfig($profile->version));
359        $trees1 = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser1->parse(new Source(Path::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($input2, false));
360        $program = new Index($snapshotId1, $trees1);
361        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
362        $symbol = 'target';
363        $body = $context->program->callable($symbol);
364        self::assertNotNull($body);
365        $a = new State();
366        $a->locals['x'] = $a->memory->allocate(Term::constant(3));
367        $b = $a->fork();
368        $b->memory->write($b->locals['x'], Term::constant(4));
369        $c = $a->fork();
370        $c->guard['predicate'] = true;
371        $invocation = new Invocation();
372        self::assertNotSame($invocation->key($body, $a, [])->id(), $invocation->key($body, $b, [])->id());
373        self::assertNotSame($invocation->key($body, $a, [])->id(), $invocation->key($body, $c, [])->id());
374    }
375    /**
376     * @param string $source Trusted initializer identity fixture
377     * @param string $expectedJson Independently verified PHP 8.3 result
378     * @throws JsonException If expected observations cannot be decoded
379     */
380    #[DataProvider('providerInitializerIdentities')]
381    public function testKeySeparatesCaseSensitiveInitializersDuringMemoization(string $source, string $expectedJson): void
382    {
383        $symbol = 'target';
384        $input = new Sources([new Source('fixture.php', $source)]);
385        $configuration = new DeriverConfig();
386        $contributions = new Contributions();
387        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
388        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
389        $contributions1 = $providers->contributions;
390        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
391        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
392        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
393        $snapshotId = $identity->id;
394        $input1 = $providers->input;
395        $parser = new Parser(new ParserConfig($target->version));
396        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
397        $program = new Index($snapshotId, $trees);
398        $result = (new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics()))))->derive(new ReturnQuery($symbol));
399        self::assertSame([], $result->frontiers);
400        self::assertSame([], $result->exceptionalOutcomes);
401        self::assertCount(1, $result->normalOutcomes);
402        self::assertSame(json_decode($expectedJson, true, 512, JSON_THROW_ON_ERROR), $result->normalOutcomes[0]->values['return']->native());
403    }
404    /**
405     * @return array<string,array{string,string}>
406     */
407    public static function providerInitializerIdentities(): array
408    {
409        return ['function defaults' => ['<?php function helper($X=1,$x=2){return [$X,$x];}function target(){return helper();}', '[1,2]'], 'arrow defaults' => ['<?php function target(){$f=fn($X=1,$x=2)=>[$X,$x];return $f();}', '[1,2]'], 'closure defaults' => ['<?php function target(){$f=function($X=1,$x=2){return [$X,$x];};return $f();}', '[1,2]'], 'method defaults' => ['<?php class Box{function read($X=1,$x=2){return [$X,$x];}}function target(){return (new Box)->read();}', '[1,2]'], 'reference defaults' => ['<?php function helper(&$X=1,&$x=2){$X++;$x++;return [$X,$x];}function target(){return helper();}', '[2,3]'], 'namespace defaults' => ['<?php namespace N{function helper($X=1,$x=2){return [$X,$x];}}namespace{function target(){return N\helper();}}', '[1,2]'], 'global constants' => ['<?php const VALUE=1;const value=2;function target(){return [VALUE,value];}', '[1,2]'], 'namespace constants' => ['<?php namespace N{const VALUE=1;const value=2;}namespace{function target(){return [N\VALUE,N\value];}}', '[1,2]'], 'class constants' => ['<?php class Box{const VALUE=1;const value=2;}function target(){return [Box::VALUE,Box::value];}', '[1,2]'], 'property defaults' => ['<?php class Box{public $Value=1;public $value=2;}function target(){$b=new Box;return [$b->Value,$b->value];}', '[1,2]'], 'enum backing constants' => ['<?php enum E:int{case VALUE=1;case value=2;}function target(){return [E::VALUE->value,E::value->value];}', '[1,2]'], 'function case remains insensitive' => ['<?php function HELPER(){return 3;}function target(){return [helper(),HELPER(),\helper()];}', '[3,3,3]']];
410    }
411}
412