packages/deriver/tests/Unit/Deriver/Evaluator/Execution/Call/Preparation/UnpackTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Execution\Call\Preparation;
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\BoundInstruction;
14use Deriver\Deriver\Evaluator\Call\Evaluators;
15use Deriver\Deriver\Evaluator\Call\Extensions;
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\Invocation;
28use Deriver\Deriver\Evaluator\Execution\Call\ParameterBinding;
29use Deriver\Deriver\Evaluator\Execution\Call\PassedArgument;
30use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Arguments;
31use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Creation;
32use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Modes;
33use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Resolution;
34use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Target;
35use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Transfer;
36use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Unpack;
37use Deriver\Deriver\Evaluator\Execution\Call\TypeBinding;
38use Deriver\Deriver\Evaluator\Execution\Call\TypeCheck;
39use Deriver\Deriver\Evaluator\Execution\Completion\Alternative;
40use Deriver\Deriver\Evaluator\Execution\Completion\Assessment;
41use Deriver\Deriver\Evaluator\Execution\Completion\Completion;
42use Deriver\Deriver\Evaluator\Execution\Completion\CompletionKind;
43use Deriver\Deriver\Evaluator\Execution\Completion\StorageSnapshot;
44use Deriver\Deriver\Evaluator\Execution\Context;
45use Deriver\Deriver\Evaluator\Execution\Control\ObservationLimit;
46use Deriver\Deriver\Evaluator\Execution\Control\StateJoin;
47use Deriver\Deriver\Evaluator\Execution\Control\Unwinding;
48use Deriver\Deriver\Evaluator\Execution\Demand\Discovery;
49use Deriver\Deriver\Evaluator\Execution\Dependencies;
50use Deriver\Deriver\Evaluator\Execution\Evaluator;
51use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
52use Deriver\Deriver\Evaluator\Execution\Havoc;
53use Deriver\Deriver\Evaluator\Execution\InstructionTransfer;
54use Deriver\Deriver\Evaluator\Execution\Memory\Location;
55use Deriver\Deriver\Evaluator\Execution\Memory\Materialization;
56use Deriver\Deriver\Evaluator\Execution\Memory\Memory;
57use Deriver\Deriver\Evaluator\Execution\Memory\ReferenceConstraint;
58use Deriver\Deriver\Evaluator\Execution\Memory\Slots\SlotReference;
59use Deriver\Deriver\Evaluator\Execution\Memory\Slots\StateStorage;
60use Deriver\Deriver\Evaluator\Execution\Memory\StorageCapture;
61use Deriver\Deriver\Evaluator\Execution\ObservationCollector;
62use Deriver\Deriver\Evaluator\Execution\Operation\Conversions;
63use Deriver\Deriver\Evaluator\Execution\Operation\ScalarErrors;
64use Deriver\Deriver\Evaluator\Execution\State;
65use Deriver\Deriver\Evaluator\Execution\Summary\Evaluation;
66use Deriver\Deriver\Evaluator\Execution\Summary\Isolation;
67use Deriver\Deriver\Evaluator\Execution\Trace\Derivation;
68use Deriver\Deriver\Evaluator\Execution\Transfer\MemoryStep;
69use Deriver\Deriver\Evaluator\Execution\Transfer\ObjectAccess;
70use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyAccessCheck;
71use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyLookup;
72use Deriver\Deriver\Evaluator\Execution\Transfer\PropertySlot;
73use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyTransfer;
74use Deriver\Deriver\Evaluator\Execution\Transfer\PureStep;
75use Deriver\Deriver\Evaluator\Execution\Transfer\ReferenceAssignment;
76use Deriver\Deriver\Evaluator\Request\Budget;
77use Deriver\Deriver\Evaluator\Request\EntryPoint;
78use Deriver\Deriver\Evaluator\Request\QueryScope;
79use Deriver\Deriver\Evaluator\Request\ReturnQuery;
80use Deriver\Deriver\Evaluator\Scalar\Arrays;
81use Deriver\Deriver\Evaluator\Scalar\Identity;
82use Deriver\Deriver\Evaluator\Scalar\Operations;
83use Deriver\Deriver\Evaluator\TargetProfile;
84use Deriver\Deriver\Evaluator\Term;
85use Deriver\Deriver\Evaluator\TermKind;
86use Deriver\Deriver\Execution\DerivationResult;
87use Deriver\Deriver\Execution\QueryExecution;
88use Deriver\Deriver\Execution\ResultAssessment;
89use Deriver\Deriver\Identity\QueryEncoding;
90use Deriver\Deriver\Identity\ValueGraph;
91use Deriver\Deriver\Lowerer\AggregateLowering;
92use Deriver\Deriver\Lowerer\AssignmentLowering;
93use Deriver\Deriver\Lowerer\CallLowering;
94use Deriver\Deriver\Lowerer\Control\DestructuringLowering;
95use Deriver\Deriver\Lowerer\Declaration\CallableIdentity;
96use Deriver\Deriver\Lowerer\Declaration\CallableSource;
97use Deriver\Deriver\Lowerer\Declaration\ConstantSignatures;
98use Deriver\Deriver\Lowerer\Declaration\Index;
99use Deriver\Deriver\Lowerer\Declaration\Indexer;
100use Deriver\Deriver\Lowerer\Declaration\Metadata\ClassDeclaration;
101use Deriver\Deriver\Lowerer\Declaration\Metadata\PropertyDeclaration;
102use Deriver\Deriver\Lowerer\Declaration\Traits\Composition;
103use Deriver\Deriver\Lowerer\ExpressionLowering;
104use Deriver\Deriver\Lowerer\Graph\Argument;
105use Deriver\Deriver\Lowerer\Graph\BasicBlock;
106use Deriver\Deriver\Lowerer\Graph\CallableGraph;
107use Deriver\Deriver\Lowerer\Graph\Instruction;
108use Deriver\Deriver\Lowerer\Graph\Parameter;
109use Deriver\Deriver\Lowerer\Graph\Terminator;
110use Deriver\Deriver\Lowerer\Hierarchy\Access as HierarchyAccess;
111use Deriver\Deriver\Lowerer\Hierarchy\Dispatch;
112use Deriver\Deriver\Lowerer\InstructionEmitter;
113use Deriver\Deriver\Lowerer\Lowerer;
114use Deriver\Deriver\Lowerer\LoweringScope;
115use Deriver\Deriver\Lowerer\StatementLowering;
116use Deriver\Deriver\MicroEvaluatorConversion;
117use Deriver\Deriver\Parser\Node\File;
118use Deriver\Deriver\Parser\Parser;
119use Deriver\Deriver\Parser\ParserConfig;
120use Deriver\Deriver\Parser\TargetSyntax;
121use Deriver\Deriver\Providers\ProviderExpansion;
122use Deriver\Deriver\Resolver\AssignmentPatterns;
123use Deriver\Deriver\Resolver\ClassScope;
124use Deriver\Deriver\Resolver\ExpressionValidation;
125use Deriver\Deriver\Resolver\MagicContext;
126use Deriver\Deriver\Resolver\Resolver;
127use Deriver\Deriver\Selection\QueryValidation;
128use Deriver\Deriver\SnapshotIdentity;
129use Deriver\Deriver\Sources\LineMap;
130use Deriver\Deriver\Sources\Path;
131use Deriver\Deriver\Sources\Source;
132use Deriver\Deriver\Sources\SourceRef;
133use Deriver\Deriver\Sources\Sources;
134use Deriver\Exception\ParserException;
135use Deriver\Exception\ResolutionException;
136use PHPUnit\Framework\Attributes\CoversClass;
137use PHPUnit\Framework\Attributes\Small;
138use PHPUnit\Framework\Attributes\UsesClass;
139use PHPUnit\Framework\TestCase;
140
141/**
142 * @covers \Deriver\Deriver\Evaluator\Execution\Call\Preparation\Unpack
143 */
144#[UsesClass(Resolver::class)]
145#[UsesClass(ExpressionValidation::class)]
146#[UsesClass(ResolutionException::class)]
147#[UsesClass(ParserConfig::class)]
148#[UsesClass(ParserException::class)]
149#[CoversClass(Unpack::class)]
150#[UsesClass(QueryExecution::class)]
151#[UsesClass(QueryValidation::class)]
152#[UsesClass(ResultAssessment::class)]
153#[UsesClass(Deriver::class)]
154#[UsesClass(Argument::class)]
155#[UsesClass(BasicBlock::class)]
156#[UsesClass(CallableGraph::class)]
157#[UsesClass(CallableIdentity::class)]
158#[UsesClass(ClassDeclaration::class)]
159#[UsesClass(Instruction::class)]
160#[UsesClass(Parameter::class)]
161#[UsesClass(PropertyDeclaration::class)]
162#[UsesClass(Terminator::class)]
163#[UsesClass(Allocation::class)]
164#[UsesClass(ArgumentBinding::class)]
165#[UsesClass(ArgumentOrder::class)]
166#[UsesClass(CallExecutor::class)]
167#[UsesClass(CallResolution::class)]
168#[UsesClass(CallableCheck::class)]
169#[UsesClass(Access::class)]
170#[UsesClass(Dispatch::class)]
171#[UsesClass(HierarchyAccess::class)]
172#[UsesClass(Invocation::class)]
173#[UsesClass(ParameterBinding::class)]
174#[UsesClass(PassedArgument::class)]
175#[UsesClass(Arguments::class)]
176#[UsesClass(Creation::class)]
177#[UsesClass(Modes::class)]
178#[UsesClass(Resolution::class)]
179#[UsesClass(Target::class)]
180#[UsesClass(Transfer::class)]
181#[UsesClass(TypeBinding::class)]
182#[UsesClass(TypeCheck::class)]
183#[UsesClass(Completion::class)]
184#[UsesClass(Context::class)]
185#[UsesClass(ObservationLimit::class)]
186#[UsesClass(StateJoin::class)]
187#[UsesClass(Unwinding::class)]
188#[UsesClass(Discovery::class)]
189#[UsesClass(Dependencies::class)]
190#[UsesClass(Havoc::class)]
191#[UsesClass(InstructionTransfer::class)]
192#[UsesClass(Evaluator::class)]
193#[UsesClass(SlotReference::class)]
194#[UsesClass(StateStorage::class)]
195#[UsesClass(ObservationCollector::class)]
196#[UsesClass(Conversions::class)]
197#[UsesClass(ScalarErrors::class)]
198#[UsesClass(State::class)]
199#[UsesClass(Evaluation::class)]
200#[UsesClass(Isolation::class)]
201#[UsesClass(MemoryStep::class)]
202#[UsesClass(ObjectAccess::class)]
203#[UsesClass(PropertyAccessCheck::class)]
204#[UsesClass(PropertyLookup::class)]
205#[UsesClass(PropertySlot::class)]
206#[UsesClass(PropertyTransfer::class)]
207#[UsesClass(PureStep::class)]
208#[UsesClass(ReferenceAssignment::class)]
209#[UsesClass(Location::class)]
210#[UsesClass(Materialization::class)]
211#[UsesClass(Memory::class)]
212#[UsesClass(ReferenceConstraint::class)]
213#[UsesClass(StorageCapture::class)]
214#[UsesClass(Extensions::class)]
215#[UsesClass(ProviderExpansion::class)]
216#[UsesClass(Evaluators::class)]
217#[UsesClass(StateRegistry::class)]
218#[UsesClass(DeriverConfig::class)]
219#[UsesClass(EntryPoint::class)]
220#[UsesClass(Sources::class)]
221#[UsesClass(Path::class)]
222#[UsesClass(Snapshot::class)]
223#[UsesClass(Source::class)]
224#[UsesClass(TargetProfile::class)]
225#[UsesClass(Budget::class)]
226#[UsesClass(QueryScope::class)]
227#[UsesClass(ReturnQuery::class)]
228#[UsesClass(ResultRef::class)]
229#[UsesClass(SourceRef::class)]
230#[UsesClass(Alternative::class)]
231#[UsesClass(Assessment::class)]
232#[UsesClass(Derivation::class)]
233#[UsesClass(DerivationResult::class)]
234#[UsesClass(Frontier::class)]
235#[UsesClass(QueryEncoding::class)]
236#[UsesClass(ValueGraph::class)]
237#[UsesClass(Statistics::class)]
238#[UsesClass(StorageSnapshot::class)]
239#[UsesClass(Parser::class)]
240#[UsesClass(File::class)]
241#[UsesClass(AggregateLowering::class)]
242#[UsesClass(AssignmentLowering::class)]
243#[UsesClass(CallLowering::class)]
244#[UsesClass(Lowerer::class)]
245#[UsesClass(DestructuringLowering::class)]
246#[UsesClass(ExpressionLowering::class)]
247#[UsesClass(InstructionEmitter::class)]
248#[UsesClass(LoweringScope::class)]
249#[UsesClass(StatementLowering::class)]
250#[UsesClass(ConstantSignatures::class)]
251#[UsesClass(CallableSource::class)]
252#[UsesClass(Indexer::class)]
253#[UsesClass(Index::class)]
254#[UsesClass(Composition::class)]
255#[UsesClass(LineMap::class)]
256#[UsesClass(MagicContext::class)]
257#[UsesClass(AssignmentPatterns::class)]
258#[UsesClass(ClassScope::class)]
259#[UsesClass(TargetSyntax::class)]
260#[UsesClass(Arrays::class)]
261#[UsesClass(Identity::class)]
262#[UsesClass(Operations::class)]
263#[UsesClass(Term::class)]
264#[Small]
265final class UnpackTest extends TestCase
266{
267    public function testApplyKeepsPropertyArraysAsTemporaries(): void
268    {
269        $source = '<?php class Box{public readonly array $items;function __construct(){$this->items=[1];}}function set(&$x){$x=2;}function target(){$b=new Box;set(...$b->items);return $b->items;}';
270        $symbol = 'target';
271        $input = new Sources([new Source('fixture.php', $source)]);
272        $configuration = new DeriverConfig();
273        $contributions = new Contributions();
274        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
275        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
276        $contributions1 = $providers->contributions;
277        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
278        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
279        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
280        $snapshotId = $identity->id;
281        $input1 = $providers->input;
282        $parser = new Parser(new ParserConfig($target->version));
283        $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));
284        $program = new Index($snapshotId, $trees);
285        $result = (new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics()))))->derive(new ReturnQuery($symbol));
286        self::assertSame([1], $result->normalOutcomes[0]->values['return']->native());
287        self::assertSame([], array_column($result->frontiers, 'code'));
288        self::assertSame([], $result->exceptionalOutcomes);
289    }
290    public function testApplyRejectsScalars(): void
291    {
292        $source = '<?php function target(){return 1;}';
293        $budget = new Budget();
294        $configuration = new DeriverConfig();
295        $contributions = new Contributions();
296        $input = new Sources([new Source('fixture.php', $source)]);
297        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
298        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
299        $contributions1 = $providers->contributions;
300        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
301        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
302        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
303        $snapshotId = $identity->id;
304        $input1 = $providers->input;
305        $parser = new Parser(new ParserConfig($target->version));
306        $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));
307        $program1 = new Index($snapshotId, $trees);
308        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
309        $snapshotId1 = 'test';
310        $input2 = new Sources([new Source('fixture.php', $source)]);
311        $profile = $execution->configuration->target;
312        $parser1 = new Parser(new ParserConfig($profile->version));
313        $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));
314        $program = new Index($snapshotId1, $trees1);
315        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
316        $body = $context->program->callable('target');
317        self::assertNotNull($body);
318        $machine = new Evaluator($context);
319        $state = new State();
320        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
321        $state->registers['result'] = Term::constant(1);
322        $paths = (new Unpack($machine))->apply($body, $instruction, $state, new Target(), 0);
323        self::assertSame('TypeError', $paths[0]->completion->value?->literal);
324    }
325    public function testElementPreservesSharedReferenceCells(): void
326    {
327        $source1 = '<?php function target(){return 1;}';
328        $budget = new Budget();
329        $configuration = new DeriverConfig();
330        $contributions = new Contributions();
331        $input = new Sources([new Source('fixture.php', $source1)]);
332        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
333        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
334        $contributions1 = $providers->contributions;
335        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
336        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
337        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
338        $snapshotId = $identity->id;
339        $input1 = $providers->input;
340        $parser = new Parser(new ParserConfig($target->version));
341        $trees = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($input1, false));
342        $program1 = new Index($snapshotId, $trees);
343        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
344        $snapshotId1 = 'test';
345        $input2 = new Sources([new Source('fixture.php', $source1)]);
346        $profile = $execution->configuration->target;
347        $parser1 = new Parser(new ParserConfig($profile->version));
348        $trees1 = array_map(static fn (Source $source3): File => (new Resolver())->resolve($parser1->parse(new Source(Path::normalize($source3->path), $source3->contents, $source3->declarationsOnly))), iterator_to_array($input2, false));
349        $program = new Index($snapshotId1, $trees1);
350        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
351        $body = $context->program->callable('target');
352        self::assertNotNull($body);
353        $machine = new Evaluator($context);
354        $state = new State();
355        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
356        $source = $state->memory->allocate(Term::fromNative([1]));
357        $prepared = $state->memory->allocate(Term::array([]));
358        $path = (new Unpack($machine))->element($state, $source, $prepared, 0, true);
359        $path->memory->write(new Location($prepared->root, [0]), Term::constant(2));
360        self::assertSame([2], $path->memory->materialize($path->memory->read($source))->native());
361    }
362    public function testBoundaryRetainsIteratorExceptionsAndMutations(): void
363    {
364        $source = '<?php function target(){return 1;}';
365        $budget = new Budget();
366        $configuration = new DeriverConfig();
367        $contributions = new Contributions();
368        $input = new Sources([new Source('fixture.php', $source)]);
369        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
370        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
371        $contributions1 = $providers->contributions;
372        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
373        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
374        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
375        $snapshotId = $identity->id;
376        $input1 = $providers->input;
377        $parser = new Parser(new ParserConfig($target->version));
378        $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));
379        $program1 = new Index($snapshotId, $trees);
380        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
381        $snapshotId1 = 'test';
382        $input2 = new Sources([new Source('fixture.php', $source)]);
383        $profile = $execution->configuration->target;
384        $parser1 = new Parser(new ParserConfig($profile->version));
385        $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));
386        $program = new Index($snapshotId1, $trees1);
387        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
388        $body = $context->program->callable('target');
389        self::assertNotNull($body);
390        $machine = new Evaluator($context);
391        $state = new State();
392        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
393        $local = $state->local('value');
394        $state->memory->write($local, Term::constant(1));
395        $paths = (new Unpack($machine))->boundary($state, $instruction);
396        self::assertCount(2, $paths);
397        self::assertSame(TermKind::Opaque, $paths[0]->memory->read($local)->kind);
398        self::assertSame(CompletionKind::Throw, $paths[1]->completion->kind);
399        self::assertSame(['UNSUPPORTED_LANGUAGE_FEATURE'], array_column(array_values($context->frontiers), 'code'));
400    }
401    public function testSourceRetainsReturnedArrayReferences(): void
402    {
403        $source1 = '<?php function target(){return 1;}';
404        $budget = new Budget();
405        $configuration = new DeriverConfig();
406        $contributions = new Contributions();
407        $input = new Sources([new Source('fixture.php', $source1)]);
408        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
409        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
410        $contributions1 = $providers->contributions;
411        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
412        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
413        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
414        $snapshotId = $identity->id;
415        $input1 = $providers->input;
416        $parser = new Parser(new ParserConfig($target->version));
417        $trees = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($input1, false));
418        $program1 = new Index($snapshotId, $trees);
419        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
420        $snapshotId1 = 'test';
421        $input2 = new Sources([new Source('fixture.php', $source1)]);
422        $profile = $execution->configuration->target;
423        $parser1 = new Parser(new ParserConfig($profile->version));
424        $trees1 = array_map(static fn (Source $source3): File => (new Resolver())->resolve($parser1->parse(new Source(Path::normalize($source3->path), $source3->contents, $source3->declarationsOnly))), iterator_to_array($input2, false));
425        $program = new Index($snapshotId1, $trees1);
426        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
427        $body = $context->program->callable('target');
428        self::assertNotNull($body);
429        $machine = new Evaluator($context);
430        $state = new State();
431        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
432        $source = $state->memory->allocate(Term::fromNative([1]));
433        $state->registers['input'] = new Term(TermKind::Cell, $source->root);
434        $actual = (new Unpack($machine))->source($instruction, $state, $state->value('input'));
435        self::assertSame($source->root, $actual->root);
436    }
437}
438