packages/deriver/tests/Unit/Deriver/Evaluator/Execution/Call/Preparation/ArgumentsTest.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\Native\Invocation as NativeInvocation;
29use Deriver\Deriver\Evaluator\Execution\Call\Native\Signatures;
30use Deriver\Deriver\Evaluator\Execution\Call\ParameterBinding;
31use Deriver\Deriver\Evaluator\Execution\Call\PassedArgument;
32use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Arguments;
33use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Creation;
34use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Modes;
35use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Resolution;
36use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Target;
37use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Transfer;
38use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Unpack;
39use Deriver\Deriver\Evaluator\Execution\Call\TypeBinding;
40use Deriver\Deriver\Evaluator\Execution\Call\TypeCheck;
41use Deriver\Deriver\Evaluator\Execution\Completion\Alternative;
42use Deriver\Deriver\Evaluator\Execution\Completion\Assessment;
43use Deriver\Deriver\Evaluator\Execution\Completion\Completion;
44use Deriver\Deriver\Evaluator\Execution\Completion\CompletionKind;
45use Deriver\Deriver\Evaluator\Execution\Completion\StorageSnapshot;
46use Deriver\Deriver\Evaluator\Execution\Context;
47use Deriver\Deriver\Evaluator\Execution\Control\ObservationLimit;
48use Deriver\Deriver\Evaluator\Execution\Control\StateJoin;
49use Deriver\Deriver\Evaluator\Execution\Control\Unwinding;
50use Deriver\Deriver\Evaluator\Execution\Demand\Discovery;
51use Deriver\Deriver\Evaluator\Execution\Dependencies;
52use Deriver\Deriver\Evaluator\Execution\Evaluator;
53use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
54use Deriver\Deriver\Evaluator\Execution\InstructionTransfer;
55use Deriver\Deriver\Evaluator\Execution\Memory\Location;
56use Deriver\Deriver\Evaluator\Execution\Memory\Materialization;
57use Deriver\Deriver\Evaluator\Execution\Memory\Memory;
58use Deriver\Deriver\Evaluator\Execution\Memory\ReferenceConstraint;
59use Deriver\Deriver\Evaluator\Execution\Memory\Slots\SlotReference;
60use Deriver\Deriver\Evaluator\Execution\Memory\Slots\StateStorage;
61use Deriver\Deriver\Evaluator\Execution\Memory\StorageCapture;
62use Deriver\Deriver\Evaluator\Execution\ObservationCollector;
63use Deriver\Deriver\Evaluator\Execution\Offset\Address;
64use Deriver\Deriver\Evaluator\Execution\Offset\Path;
65use Deriver\Deriver\Evaluator\Execution\Offset\Reader;
66use Deriver\Deriver\Evaluator\Execution\Offset\Transfer as OffsetTransfer;
67use Deriver\Deriver\Evaluator\Execution\Operation\Conversions;
68use Deriver\Deriver\Evaluator\Execution\Operation\ScalarErrors;
69use Deriver\Deriver\Evaluator\Execution\State;
70use Deriver\Deriver\Evaluator\Execution\Summary\Evaluation;
71use Deriver\Deriver\Evaluator\Execution\Summary\Isolation;
72use Deriver\Deriver\Evaluator\Execution\Trace\Derivation;
73use Deriver\Deriver\Evaluator\Execution\Transfer\MemoryStep;
74use Deriver\Deriver\Evaluator\Execution\Transfer\ObjectAccess;
75use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyAccessCheck;
76use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyLookup;
77use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyReference;
78use Deriver\Deriver\Evaluator\Execution\Transfer\PropertySlot;
79use Deriver\Deriver\Evaluator\Execution\Transfer\PropertyTransfer;
80use Deriver\Deriver\Evaluator\Execution\Transfer\PureStep;
81use Deriver\Deriver\Evaluator\Execution\Transfer\ReferenceAssignment;
82use Deriver\Deriver\Evaluator\Request\Budget;
83use Deriver\Deriver\Evaluator\Request\EntryPoint;
84use Deriver\Deriver\Evaluator\Request\QueryScope;
85use Deriver\Deriver\Evaluator\Request\ReturnQuery;
86use Deriver\Deriver\Evaluator\Scalar\Arrays;
87use Deriver\Deriver\Evaluator\Scalar\Identity;
88use Deriver\Deriver\Evaluator\Scalar\Operations;
89use Deriver\Deriver\Evaluator\TargetProfile;
90use Deriver\Deriver\Evaluator\Term;
91use Deriver\Deriver\Evaluator\TermKind;
92use Deriver\Deriver\Execution\DerivationResult;
93use Deriver\Deriver\Execution\QueryExecution;
94use Deriver\Deriver\Execution\ResultAssessment;
95use Deriver\Deriver\Identity\QueryEncoding;
96use Deriver\Deriver\Identity\ValueGraph;
97use Deriver\Deriver\Lowerer\AggregateLowering;
98use Deriver\Deriver\Lowerer\AssignmentLowering;
99use Deriver\Deriver\Lowerer\CallLowering;
100use Deriver\Deriver\Lowerer\Control\DestructuringLowering;
101use Deriver\Deriver\Lowerer\Declaration\CallableIdentity;
102use Deriver\Deriver\Lowerer\Declaration\CallableSource;
103use Deriver\Deriver\Lowerer\Declaration\ConstantSignatures;
104use Deriver\Deriver\Lowerer\Declaration\Index;
105use Deriver\Deriver\Lowerer\Declaration\Indexer;
106use Deriver\Deriver\Lowerer\Declaration\Metadata\ClassDeclaration;
107use Deriver\Deriver\Lowerer\Declaration\Metadata\PropertyDeclaration;
108use Deriver\Deriver\Lowerer\Declaration\Traits\Composition;
109use Deriver\Deriver\Lowerer\ExpressionLowering;
110use Deriver\Deriver\Lowerer\Graph\Argument;
111use Deriver\Deriver\Lowerer\Graph\BasicBlock;
112use Deriver\Deriver\Lowerer\Graph\CallableGraph;
113use Deriver\Deriver\Lowerer\Graph\Instruction;
114use Deriver\Deriver\Lowerer\Graph\Parameter;
115use Deriver\Deriver\Lowerer\Graph\Terminator;
116use Deriver\Deriver\Lowerer\Hierarchy\Dispatch;
117use Deriver\Deriver\Lowerer\InstructionEmitter;
118use Deriver\Deriver\Lowerer\Lowerer;
119use Deriver\Deriver\Lowerer\LoweringScope;
120use Deriver\Deriver\Lowerer\StatementLowering;
121use Deriver\Deriver\MicroEvaluatorConversion;
122use Deriver\Deriver\Parser\Node\File;
123use Deriver\Deriver\Parser\Parser;
124use Deriver\Deriver\Parser\ParserConfig;
125use Deriver\Deriver\Parser\TargetSyntax;
126use Deriver\Deriver\Providers\ProviderExpansion;
127use Deriver\Deriver\Resolver\AssignmentPatterns;
128use Deriver\Deriver\Resolver\ClassScope;
129use Deriver\Deriver\Resolver\ExpressionValidation;
130use Deriver\Deriver\Resolver\MagicContext;
131use Deriver\Deriver\Resolver\Resolver;
132use Deriver\Deriver\Selection\QueryValidation;
133use Deriver\Deriver\SnapshotIdentity;
134use Deriver\Deriver\Sources\LineMap;
135use Deriver\Deriver\Sources\Path as SourcesPath;
136use Deriver\Deriver\Sources\Source;
137use Deriver\Deriver\Sources\SourceRef;
138use Deriver\Deriver\Sources\Sources;
139use Deriver\Exception\ParserException;
140use Deriver\Exception\ResolutionException;
141use PHPUnit\Framework\Attributes\CoversClass;
142use PHPUnit\Framework\Attributes\Small;
143use PHPUnit\Framework\Attributes\UsesClass;
144use PHPUnit\Framework\TestCase;
145
146/**
147 * @covers \Deriver\Deriver\Evaluator\Execution\Call\Preparation\Arguments
148 */
149#[UsesClass(Resolver::class)]
150#[UsesClass(ExpressionValidation::class)]
151#[UsesClass(ResolutionException::class)]
152#[UsesClass(ParserConfig::class)]
153#[UsesClass(ParserException::class)]
154#[CoversClass(Arguments::class)]
155#[UsesClass(QueryExecution::class)]
156#[UsesClass(QueryValidation::class)]
157#[UsesClass(ResultAssessment::class)]
158#[UsesClass(Deriver::class)]
159#[UsesClass(Argument::class)]
160#[UsesClass(BasicBlock::class)]
161#[UsesClass(CallableGraph::class)]
162#[UsesClass(CallableIdentity::class)]
163#[UsesClass(ClassDeclaration::class)]
164#[UsesClass(Instruction::class)]
165#[UsesClass(Parameter::class)]
166#[UsesClass(PropertyDeclaration::class)]
167#[UsesClass(Terminator::class)]
168#[UsesClass(Allocation::class)]
169#[UsesClass(ArgumentBinding::class)]
170#[UsesClass(ArgumentOrder::class)]
171#[UsesClass(CallExecutor::class)]
172#[UsesClass(CallResolution::class)]
173#[UsesClass(CallableCheck::class)]
174#[UsesClass(Access::class)]
175#[UsesClass(Dispatch::class)]
176#[UsesClass(Invocation::class)]
177#[UsesClass(NativeInvocation::class)]
178#[UsesClass(Signatures::class)]
179#[UsesClass(ParameterBinding::class)]
180#[UsesClass(PassedArgument::class)]
181#[UsesClass(Creation::class)]
182#[UsesClass(Modes::class)]
183#[UsesClass(Resolution::class)]
184#[UsesClass(Target::class)]
185#[UsesClass(Transfer::class)]
186#[UsesClass(Unpack::class)]
187#[UsesClass(TypeBinding::class)]
188#[UsesClass(TypeCheck::class)]
189#[UsesClass(Completion::class)]
190#[UsesClass(Context::class)]
191#[UsesClass(ObservationLimit::class)]
192#[UsesClass(StateJoin::class)]
193#[UsesClass(Unwinding::class)]
194#[UsesClass(Discovery::class)]
195#[UsesClass(Dependencies::class)]
196#[UsesClass(InstructionTransfer::class)]
197#[UsesClass(Evaluator::class)]
198#[UsesClass(SlotReference::class)]
199#[UsesClass(StateStorage::class)]
200#[UsesClass(ObservationCollector::class)]
201#[UsesClass(Address::class)]
202#[UsesClass(Path::class)]
203#[UsesClass(Reader::class)]
204#[UsesClass(OffsetTransfer::class)]
205#[UsesClass(Conversions::class)]
206#[UsesClass(ScalarErrors::class)]
207#[UsesClass(State::class)]
208#[UsesClass(Evaluation::class)]
209#[UsesClass(Isolation::class)]
210#[UsesClass(MemoryStep::class)]
211#[UsesClass(ObjectAccess::class)]
212#[UsesClass(PropertyAccessCheck::class)]
213#[UsesClass(PropertyLookup::class)]
214#[UsesClass(PropertyReference::class)]
215#[UsesClass(PropertySlot::class)]
216#[UsesClass(PropertyTransfer::class)]
217#[UsesClass(PureStep::class)]
218#[UsesClass(ReferenceAssignment::class)]
219#[UsesClass(Location::class)]
220#[UsesClass(Materialization::class)]
221#[UsesClass(Memory::class)]
222#[UsesClass(ReferenceConstraint::class)]
223#[UsesClass(StorageCapture::class)]
224#[UsesClass(Extensions::class)]
225#[UsesClass(ProviderExpansion::class)]
226#[UsesClass(Evaluators::class)]
227#[UsesClass(StateRegistry::class)]
228#[UsesClass(DeriverConfig::class)]
229#[UsesClass(EntryPoint::class)]
230#[UsesClass(Sources::class)]
231#[UsesClass(SourcesPath::class)]
232#[UsesClass(Snapshot::class)]
233#[UsesClass(Source::class)]
234#[UsesClass(TargetProfile::class)]
235#[UsesClass(Budget::class)]
236#[UsesClass(QueryScope::class)]
237#[UsesClass(ReturnQuery::class)]
238#[UsesClass(ResultRef::class)]
239#[UsesClass(SourceRef::class)]
240#[UsesClass(Alternative::class)]
241#[UsesClass(Assessment::class)]
242#[UsesClass(Derivation::class)]
243#[UsesClass(DerivationResult::class)]
244#[UsesClass(Frontier::class)]
245#[UsesClass(QueryEncoding::class)]
246#[UsesClass(ValueGraph::class)]
247#[UsesClass(Statistics::class)]
248#[UsesClass(StorageSnapshot::class)]
249#[UsesClass(Parser::class)]
250#[UsesClass(File::class)]
251#[UsesClass(AggregateLowering::class)]
252#[UsesClass(AssignmentLowering::class)]
253#[UsesClass(CallLowering::class)]
254#[UsesClass(Lowerer::class)]
255#[UsesClass(DestructuringLowering::class)]
256#[UsesClass(ExpressionLowering::class)]
257#[UsesClass(InstructionEmitter::class)]
258#[UsesClass(LoweringScope::class)]
259#[UsesClass(StatementLowering::class)]
260#[UsesClass(ConstantSignatures::class)]
261#[UsesClass(CallableSource::class)]
262#[UsesClass(Indexer::class)]
263#[UsesClass(Index::class)]
264#[UsesClass(Composition::class)]
265#[UsesClass(LineMap::class)]
266#[UsesClass(MagicContext::class)]
267#[UsesClass(AssignmentPatterns::class)]
268#[UsesClass(ClassScope::class)]
269#[UsesClass(TargetSyntax::class)]
270#[UsesClass(Arrays::class)]
271#[UsesClass(Identity::class)]
272#[UsesClass(Operations::class)]
273#[UsesClass(Term::class)]
274#[Small]
275final class ArgumentsTest extends TestCase
276{
277    public function testApplyUsesNamedReferenceModesBeforeReadingTypedProperties(): void
278    {
279        $source = '<?php class Box{public ?int $x;}function set($a,&$b){$b=2;}function target(){$box=new Box;set(b:$box->x,a:1);return $box->x;}';
280        $symbol = 'target';
281        $input = new Sources([new Source('fixture.php', $source)]);
282        $configuration = new DeriverConfig();
283        $contributions = new Contributions();
284        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
285        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
286        $contributions1 = $providers->contributions;
287        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
288        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
289        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
290        $snapshotId = $identity->id;
291        $input1 = $providers->input;
292        $parser = new Parser(new ParserConfig($target->version));
293        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(SourcesPath::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
294        $program = new Index($snapshotId, $trees);
295        $result = (new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics()))))->derive(new ReturnQuery($symbol));
296        self::assertSame(2, $result->normalOutcomes[0]->values['return']->native());
297        self::assertSame([], array_column($result->frontiers, 'code'));
298        self::assertSame([], $result->exceptionalOutcomes);
299    }
300    public function testApplyExpandsReferenceVariadicsIntoSharedCells(): void
301    {
302        $source = '<?php function set(&...$x){$x[0]=2;$x["n"]=3;}function target(){$a=[0,"n"=>1];set(...$a);return $a;}';
303        $symbol = 'target';
304        $input = new Sources([new Source('fixture.php', $source)]);
305        $configuration = new DeriverConfig();
306        $contributions = new Contributions();
307        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
308        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
309        $contributions1 = $providers->contributions;
310        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
311        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
312        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
313        $snapshotId = $identity->id;
314        $input1 = $providers->input;
315        $parser = new Parser(new ParserConfig($target->version));
316        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(SourcesPath::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
317        $program = new Index($snapshotId, $trees);
318        $result = (new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics()))))->derive(new ReturnQuery($symbol));
319        self::assertSame([2, 'n' => 3], $result->normalOutcomes[0]->values['return']->native());
320        self::assertSame([], array_column($result->frontiers, 'code'));
321        self::assertSame([], $result->exceptionalOutcomes);
322    }
323    public function testReadInitializesMissingReferenceArgumentsWithoutAReadDiagnostic(): void
324    {
325        $source = '<?php function target(){return 1;}';
326        $budget = new Budget();
327        $configuration = new DeriverConfig();
328        $contributions = new Contributions();
329        $input = new Sources([new Source('fixture.php', $source)]);
330        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
331        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
332        $contributions1 = $providers->contributions;
333        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
334        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
335        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
336        $snapshotId = $identity->id;
337        $input1 = $providers->input;
338        $parser = new Parser(new ParserConfig($target->version));
339        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(SourcesPath::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
340        $program1 = new Index($snapshotId, $trees);
341        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
342        $snapshotId1 = 'test';
343        $input2 = new Sources([new Source('fixture.php', $source)]);
344        $profile = $execution->configuration->target;
345        $parser1 = new Parser(new ParserConfig($profile->version));
346        $trees1 = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser1->parse(new Source(SourcesPath::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($input2, false));
347        $program = new Index($snapshotId1, $trees1);
348        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
349        $body = $context->program->callable('target');
350        self::assertNotNull($body);
351        $machine = new Evaluator($context);
352        $state = new State();
353        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
354        $state->addresses['input'] = $state->local('x');
355        $argument = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input'], attributes: ['address' => true]);
356        $paths = (new Arguments($machine))->read($body, $argument, $state, true);
357        self::assertCount(1, $paths);
358        self::assertSame(TermKind::Cell, $paths[0]->registers['result']->kind);
359        self::assertNull($paths[0]->value('result')->native());
360        self::assertSame([], $context->frontiers);
361    }
362    public function testReadFreezesValueArgumentsBeforeLaterWrites(): 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(SourcesPath::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(SourcesPath::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        $location = $state->local('x');
394        $state->memory->write($location, Term::constant(1));
395        $state->addresses['input'] = $location;
396        $argument = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input'], attributes: ['address' => true]);
397        $paths = (new Arguments($machine))->read($body, $argument, $state, false);
398        $paths[0]->memory->write($location, Term::constant(2));
399        self::assertSame(1, $paths[0]->value('result')->native());
400    }
401    public function testComputedRejectsLiteralReferenceArgumentsImmediately(): void
402    {
403        $source = '<?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', $source)]);
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 $source1): File => (new Resolver())->resolve($parser->parse(new Source(SourcesPath::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($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', $source)]);
422        $profile = $execution->configuration->target;
423        $parser1 = new Parser(new ParserConfig($profile->version));
424        $trees1 = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser1->parse(new Source(SourcesPath::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($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        $state->registers['input'] = Term::constant(1);
433        $paths = (new Arguments($machine))->computed($instruction, $state, true);
434        self::assertSame('Error', $paths[0]->completion->value?->literal);
435    }
436    public function testComputedSnapshotsReturnedReferencesWhenPassedByValue(): void
437    {
438        $source = '<?php function target(){return 1;}';
439        $budget = new Budget();
440        $configuration = new DeriverConfig();
441        $contributions = new Contributions();
442        $input = new Sources([new Source('fixture.php', $source)]);
443        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
444        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
445        $contributions1 = $providers->contributions;
446        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
447        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
448        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
449        $snapshotId = $identity->id;
450        $input1 = $providers->input;
451        $parser = new Parser(new ParserConfig($target->version));
452        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(SourcesPath::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
453        $program1 = new Index($snapshotId, $trees);
454        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
455        $snapshotId1 = 'test';
456        $input2 = new Sources([new Source('fixture.php', $source)]);
457        $profile = $execution->configuration->target;
458        $parser1 = new Parser(new ParserConfig($profile->version));
459        $trees1 = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser1->parse(new Source(SourcesPath::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($input2, false));
460        $program = new Index($snapshotId1, $trees1);
461        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
462        $body = $context->program->callable('target');
463        self::assertNotNull($body);
464        $machine = new Evaluator($context);
465        $state = new State();
466        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
467        $location = $state->memory->allocate(Term::constant(1));
468        $state->registers['input'] = new Term(TermKind::Cell, $location->root);
469        $paths = (new Arguments($machine))->computed($instruction, $state, false);
470        $paths[0]->memory->write($location, Term::constant(2));
471        self::assertSame(1, $paths[0]->value('result')->native());
472    }
473    public function testComputedUsesTemporaryCellsForFunctionResultsAndRecordsTheDiagnostic(): void
474    {
475        $source = '<?php function target(){return 1;}';
476        $budget = new Budget();
477        $configuration = new DeriverConfig();
478        $contributions = new Contributions();
479        $input = new Sources([new Source('fixture.php', $source)]);
480        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
481        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
482        $contributions1 = $providers->contributions;
483        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
484        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
485        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
486        $snapshotId = $identity->id;
487        $input1 = $providers->input;
488        $parser = new Parser(new ParserConfig($target->version));
489        $trees = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser->parse(new Source(SourcesPath::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input1, false));
490        $program1 = new Index($snapshotId, $trees);
491        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
492        $snapshotId1 = 'test';
493        $input2 = new Sources([new Source('fixture.php', $source)]);
494        $profile = $execution->configuration->target;
495        $parser1 = new Parser(new ParserConfig($profile->version));
496        $trees1 = array_map(static fn (Source $source2): File => (new Resolver())->resolve($parser1->parse(new Source(SourcesPath::normalize($source2->path), $source2->contents, $source2->declarationsOnly))), iterator_to_array($input2, false));
497        $program = new Index($snapshotId1, $trees1);
498        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
499        $body = $context->program->callable('target');
500        self::assertNotNull($body);
501        $machine = new Evaluator($context);
502        $state = new State();
503        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
504        $state->registers['input'] = Term::constant(1);
505        $temporary = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input'], attributes: ['temporary' => true]);
506        $paths = (new Arguments($machine))->computed($temporary, $state, true);
507        self::assertSame(CompletionKind::Normal, $paths[0]->completion->kind);
508        self::assertSame(1, $paths[0]->value('result')->native());
509        self::assertSame(['PHP_WARNING'], array_column(array_values($context->frontiers), 'code'));
510    }
511}
512