packages/deriver/tests/Unit/Deriver/Evaluator/Execution/Call/CallResolutionTest.php

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Execution\Call;
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\Builtin\FunctionEvaluator;
14use Deriver\Deriver\Evaluator\Builtin\Library;
15use Deriver\Deriver\Evaluator\Call\ArgumentBindings;
16use Deriver\Deriver\Evaluator\Call\BoundArgument;
17use Deriver\Deriver\Evaluator\Call\BoundInstruction;
18use Deriver\Deriver\Evaluator\Call\CallDecision;
19use Deriver\Deriver\Evaluator\Call\CallDescription;
20use Deriver\Deriver\Evaluator\Call\CallDescriptor;
21use Deriver\Deriver\Evaluator\Call\CallEvaluator;
22use Deriver\Deriver\Evaluator\Call\Evaluators;
23use Deriver\Deriver\Evaluator\Call\Extensions;
24use Deriver\Deriver\Evaluator\Call\Plan\Action;
25use Deriver\Deriver\Evaluator\Call\Plan\Expression;
26use Deriver\Deriver\Evaluator\Call\Plan\ExpressionKind;
27use Deriver\Deriver\Evaluator\Call\Plan\PlanActions;
28use Deriver\Deriver\Evaluator\Call\Plan\PlanCompiler;
29use Deriver\Deriver\Evaluator\Call\Plan\PlanFootprints;
30use Deriver\Deriver\Evaluator\Call\Plan\PlanValidation;
31use Deriver\Deriver\Evaluator\Call\Plan\SemanticPlan;
32use Deriver\Deriver\Evaluator\Call\Precedence;
33use Deriver\Deriver\Evaluator\Call\Registrations;
34use Deriver\Deriver\Evaluator\Call\SignatureIdentity;
35use Deriver\Deriver\Evaluator\Call\StateRegistry;
36use Deriver\Deriver\Evaluator\Declaration\Parameter;
37use Deriver\Deriver\Evaluator\Declaration\Signature;
38use Deriver\Deriver\Evaluator\EvaluatorConfig;
39use Deriver\Deriver\Evaluator\Evidence\Frontier;
40use Deriver\Deriver\Evaluator\Execution\Call\ArgumentBinding;
41use Deriver\Deriver\Evaluator\Execution\Call\ArgumentOrder;
42use Deriver\Deriver\Evaluator\Execution\Call\CallableCheck;
43use Deriver\Deriver\Evaluator\Execution\Call\CallExecutor;
44use Deriver\Deriver\Evaluator\Execution\Call\CallResolution;
45use Deriver\Deriver\Evaluator\Execution\Call\Contract\Inputs;
46use Deriver\Deriver\Evaluator\Execution\Call\ParameterBinding;
47use Deriver\Deriver\Evaluator\Execution\Call\PassedArgument;
48use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Arguments;
49use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Modes;
50use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Resolution;
51use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Target;
52use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Transfer;
53use Deriver\Deriver\Evaluator\Execution\Call\TypeBinding;
54use Deriver\Deriver\Evaluator\Execution\Call\TypeCheck;
55use Deriver\Deriver\Evaluator\Execution\Completion\Alternative;
56use Deriver\Deriver\Evaluator\Execution\Completion\Assessment;
57use Deriver\Deriver\Evaluator\Execution\Completion\Completion;
58use Deriver\Deriver\Evaluator\Execution\Completion\StorageSnapshot;
59use Deriver\Deriver\Evaluator\Execution\Context;
60use Deriver\Deriver\Evaluator\Execution\Control\ObservationLimit;
61use Deriver\Deriver\Evaluator\Execution\Control\StateJoin;
62use Deriver\Deriver\Evaluator\Execution\Control\Unwinding;
63use Deriver\Deriver\Evaluator\Execution\Demand\Discovery;
64use Deriver\Deriver\Evaluator\Execution\Dependencies;
65use Deriver\Deriver\Evaluator\Execution\Evaluator;
66use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
67use Deriver\Deriver\Evaluator\Execution\InstructionTransfer;
68use Deriver\Deriver\Evaluator\Execution\Memory\Location;
69use Deriver\Deriver\Evaluator\Execution\Memory\Materialization;
70use Deriver\Deriver\Evaluator\Execution\Memory\Memory;
71use Deriver\Deriver\Evaluator\Execution\Memory\Slots\SlotReference;
72use Deriver\Deriver\Evaluator\Execution\Memory\StorageCapture;
73use Deriver\Deriver\Evaluator\Execution\ObservationCollector;
74use Deriver\Deriver\Evaluator\Execution\Operation\Conversions;
75use Deriver\Deriver\Evaluator\Execution\Operation\ScalarErrors;
76use Deriver\Deriver\Evaluator\Execution\State;
77use Deriver\Deriver\Evaluator\Execution\Summary\Evaluation;
78use Deriver\Deriver\Evaluator\Execution\Summary\Isolation;
79use Deriver\Deriver\Evaluator\Execution\Trace\Derivation;
80use Deriver\Deriver\Evaluator\Execution\Transfer\MemoryStep;
81use Deriver\Deriver\Evaluator\Execution\Transfer\PureStep;
82use Deriver\Deriver\Evaluator\Execution\Transfer\ReferenceAssignment;
83use Deriver\Deriver\Evaluator\Request\Budget;
84use Deriver\Deriver\Evaluator\Request\EntryPoint;
85use Deriver\Deriver\Evaluator\Request\QueryScope;
86use Deriver\Deriver\Evaluator\Request\ReturnQuery;
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\Execution\DerivationResult;
92use Deriver\Deriver\Execution\QueryExecution;
93use Deriver\Deriver\Execution\ResultAssessment;
94use Deriver\Deriver\Identity\QueryEncoding;
95use Deriver\Deriver\Identity\ValueGraph;
96use Deriver\Deriver\Lowerer\CallLowering;
97use Deriver\Deriver\Lowerer\Declaration\CallableIdentity;
98use Deriver\Deriver\Lowerer\Declaration\CallableSource;
99use Deriver\Deriver\Lowerer\Declaration\Index;
100use Deriver\Deriver\Lowerer\Declaration\Indexer;
101use Deriver\Deriver\Lowerer\Declaration\Traits\Composition;
102use Deriver\Deriver\Lowerer\ExpressionLowering;
103use Deriver\Deriver\Lowerer\Graph\Argument;
104use Deriver\Deriver\Lowerer\Graph\BasicBlock;
105use Deriver\Deriver\Lowerer\Graph\CallableGraph;
106use Deriver\Deriver\Lowerer\Graph\Instruction;
107use Deriver\Deriver\Lowerer\Graph\Parameter as GraphParameter;
108use Deriver\Deriver\Lowerer\Graph\Terminator;
109use Deriver\Deriver\Lowerer\Hierarchy\Dispatch;
110use Deriver\Deriver\Lowerer\InstructionEmitter;
111use Deriver\Deriver\Lowerer\Lowerer;
112use Deriver\Deriver\Lowerer\LoweringScope;
113use Deriver\Deriver\Lowerer\StatementLowering;
114use Deriver\Deriver\MicroEvaluatorConversion;
115use Deriver\Deriver\Parser\Node\File;
116use Deriver\Deriver\Parser\Parser;
117use Deriver\Deriver\Parser\ParserConfig;
118use Deriver\Deriver\Parser\TargetSyntax;
119use Deriver\Deriver\Providers\ProviderExpansion;
120use Deriver\Deriver\Resolver\AssignmentPatterns;
121use Deriver\Deriver\Resolver\ClassScope;
122use Deriver\Deriver\Resolver\ExpressionValidation;
123use Deriver\Deriver\Resolver\MagicContext;
124use Deriver\Deriver\Resolver\Resolver;
125use Deriver\Deriver\Selection\QueryValidation;
126use Deriver\Deriver\SnapshotIdentity;
127use Deriver\Deriver\Sources\LineMap;
128use Deriver\Deriver\Sources\Path;
129use Deriver\Deriver\Sources\Source;
130use Deriver\Deriver\Sources\SourceRef;
131use Deriver\Deriver\Sources\Sources;
132use Deriver\Exception\EvaluationContractException;
133use Deriver\Exception\ParserException;
134use Deriver\Exception\ResolutionException;
135use Override;
136use PHPUnit\Framework\Attributes\CoversClass;
137use PHPUnit\Framework\Attributes\DataProvider;
138use PHPUnit\Framework\Attributes\Small;
139use PHPUnit\Framework\Attributes\UsesClass;
140use PHPUnit\Framework\TestCase;
141
142#[UsesClass(Resolver::class)]
143#[UsesClass(ExpressionValidation::class)]
144#[UsesClass(ResolutionException::class)]
145#[UsesClass(ParserConfig::class)]
146#[UsesClass(ParserException::class)]
147#[CoversClass(CallResolution::class)]
148#[UsesClass(QueryExecution::class)]
149#[UsesClass(QueryValidation::class)]
150#[UsesClass(ResultAssessment::class)]
151#[UsesClass(Deriver::class)]
152#[UsesClass(Argument::class)]
153#[UsesClass(BasicBlock::class)]
154#[UsesClass(CallableGraph::class)]
155#[UsesClass(CallableIdentity::class)]
156#[UsesClass(Instruction::class)]
157#[UsesClass(GraphParameter::class)]
158#[UsesClass(Terminator::class)]
159#[UsesClass(ArgumentBinding::class)]
160#[UsesClass(ArgumentOrder::class)]
161#[UsesClass(CallExecutor::class)]
162#[UsesClass(CallableCheck::class)]
163#[UsesClass(Dispatch::class)]
164#[UsesClass(Inputs::class)]
165#[UsesClass(ParameterBinding::class)]
166#[UsesClass(PassedArgument::class)]
167#[UsesClass(Arguments::class)]
168#[UsesClass(Modes::class)]
169#[UsesClass(Resolution::class)]
170#[UsesClass(Target::class)]
171#[UsesClass(Transfer::class)]
172#[UsesClass(TypeBinding::class)]
173#[UsesClass(TypeCheck::class)]
174#[UsesClass(Completion::class)]
175#[UsesClass(Context::class)]
176#[UsesClass(ObservationLimit::class)]
177#[UsesClass(StateJoin::class)]
178#[UsesClass(Unwinding::class)]
179#[UsesClass(Discovery::class)]
180#[UsesClass(Dependencies::class)]
181#[UsesClass(InstructionTransfer::class)]
182#[UsesClass(Evaluator::class)]
183#[UsesClass(SlotReference::class)]
184#[UsesClass(ObservationCollector::class)]
185#[UsesClass(Conversions::class)]
186#[UsesClass(ScalarErrors::class)]
187#[UsesClass(State::class)]
188#[UsesClass(Evaluation::class)]
189#[UsesClass(Isolation::class)]
190#[UsesClass(MemoryStep::class)]
191#[UsesClass(PureStep::class)]
192#[UsesClass(ReferenceAssignment::class)]
193#[UsesClass(EvaluationContractException::class)]
194#[UsesClass(Location::class)]
195#[UsesClass(Materialization::class)]
196#[UsesClass(Memory::class)]
197#[UsesClass(StorageCapture::class)]
198#[UsesClass(ArgumentBindings::class)]
199#[UsesClass(BoundArgument::class)]
200#[UsesClass(FunctionEvaluator::class)]
201#[UsesClass(Library::class)]
202#[UsesClass(CallDescription::class)]
203#[UsesClass(PlanActions::class)]
204#[UsesClass(PlanCompiler::class)]
205#[UsesClass(PlanFootprints::class)]
206#[UsesClass(PlanValidation::class)]
207#[UsesClass(CallDecision::class)]
208#[UsesClass(CallDescriptor::class)]
209#[UsesClass(Action::class)]
210#[UsesClass(Expression::class)]
211#[UsesClass(SemanticPlan::class)]
212#[UsesClass(Extensions::class)]
213#[UsesClass(Precedence::class)]
214#[UsesClass(ProviderExpansion::class)]
215#[UsesClass(Evaluators::class)]
216#[UsesClass(SignatureIdentity::class)]
217#[UsesClass(StateRegistry::class)]
218#[UsesClass(Parameter::class)]
219#[UsesClass(Signature::class)]
220#[UsesClass(DeriverConfig::class)]
221#[UsesClass(EntryPoint::class)]
222#[UsesClass(Sources::class)]
223#[UsesClass(Path::class)]
224#[UsesClass(Snapshot::class)]
225#[UsesClass(Source::class)]
226#[UsesClass(TargetProfile::class)]
227#[UsesClass(Budget::class)]
228#[UsesClass(QueryScope::class)]
229#[UsesClass(ReturnQuery::class)]
230#[UsesClass(ResultRef::class)]
231#[UsesClass(SourceRef::class)]
232#[UsesClass(Alternative::class)]
233#[UsesClass(Assessment::class)]
234#[UsesClass(Derivation::class)]
235#[UsesClass(DerivationResult::class)]
236#[UsesClass(Frontier::class)]
237#[UsesClass(QueryEncoding::class)]
238#[UsesClass(ValueGraph::class)]
239#[UsesClass(Statistics::class)]
240#[UsesClass(StorageSnapshot::class)]
241#[UsesClass(Parser::class)]
242#[UsesClass(File::class)]
243#[UsesClass(CallLowering::class)]
244#[UsesClass(Lowerer::class)]
245#[UsesClass(ExpressionLowering::class)]
246#[UsesClass(InstructionEmitter::class)]
247#[UsesClass(LoweringScope::class)]
248#[UsesClass(StatementLowering::class)]
249#[UsesClass(CallableSource::class)]
250#[UsesClass(Indexer::class)]
251#[UsesClass(Index::class)]
252#[UsesClass(Composition::class)]
253#[UsesClass(LineMap::class)]
254#[UsesClass(MagicContext::class)]
255#[UsesClass(AssignmentPatterns::class)]
256#[UsesClass(ClassScope::class)]
257#[UsesClass(TargetSyntax::class)]
258#[UsesClass(Identity::class)]
259#[UsesClass(Operations::class)]
260#[UsesClass(Term::class)]
261#[Small]
262final class CallResolutionTest extends TestCase
263{
264    public function testBodyPreservesTheSemanticContract(): void
265    {
266        $evaluator = new class (new CallDescriptor('example.key', '1', 'key', new Signature([new Parameter('id', 'int')])), new SemanticPlan([Action::returns(Expression::binary('.', Expression::literal(Term::constant('user:')), Expression::parameter('id')))])) implements CallEvaluator {
267            /**
268             * @param CallDescriptor $metadata Stable evaluator registration
269             * @param SemanticPlan $plan Ordered API semantics
270             */
271            public function __construct(public readonly CallDescriptor $metadata, public readonly SemanticPlan $plan)
272            {
273            }
274            /**
275             * @return CallDescriptor Stable registration
276             */
277            #[Override]
278            public function descriptor(): CallDescriptor
279            {
280                return $this->metadata;
281            }
282            /**
283             * @param CallDescription $call Selected target
284             * @return CallDecision Declarative fixture semantics
285             */
286            #[Override]
287            public function evaluate(CallDescription $call): CallDecision
288            {
289                return CallDecision::handled($this->plan);
290            }
291        };
292        $input = new Sources([new Source('fixture.php', '<?php function target(){return key(3);}')]);
293        $configuration = new DeriverConfig();
294        $contributions = new Contributions(evaluators: [$evaluator]);
295        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
296        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
297        $contributions1 = $providers->contributions;
298        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
299        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
300        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
301        $snapshotId = $identity->id;
302        $input1 = $providers->input;
303        $parser = new Parser(new ParserConfig($target->version));
304        $trees = array_map(static fn (Source $source): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source->path), $source->contents, $source->declarationsOnly))), iterator_to_array($input1, false));
305        $program = new Index($snapshotId, $trees);
306        $session = new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics())));
307        $result = $session->derive(new ReturnQuery('target'));
308        self::assertSame('user:3', $result->normalOutcomes[0]->values['return']->native());
309        self::assertSame([], $result->frontiers);
310    }
311    public function testNameResolvesStandardNamespaceFallbackButPreservesExplicitFunctions(): void
312    {
313        $source = '<?php function target(){return 1;}';
314        $budget = new Budget();
315        $configuration = new DeriverConfig();
316        $contributions = new Contributions();
317        $input = new Sources([new Source('fixture.php', $source)]);
318        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
319        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
320        $contributions1 = $providers->contributions;
321        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
322        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
323        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
324        $snapshotId = $identity->id;
325        $input1 = $providers->input;
326        $parser = new Parser(new ParserConfig($target->version));
327        $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));
328        $program1 = new Index($snapshotId, $trees);
329        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
330        $snapshotId1 = 'test';
331        $input2 = new Sources([new Source('fixture.php', $source)]);
332        $profile = $execution->configuration->target;
333        $parser1 = new Parser(new ParserConfig($profile->version));
334        $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));
335        $program = new Index($snapshotId1, $trees1);
336        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
337        $body = $context->program->callable('target');
338        self::assertNotNull($body);
339        $machine = new Evaluator($context);
340        $state = new State();
341        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
342        $resolution = new CallResolution($context);
343        $call = new BoundInstruction('call', 'invoke', $body->source, 'result', attributes: ['fallback' => 'strlen']);
344        self::assertSame('strlen', $resolution->name('N\strlen', $call));
345        self::assertSame('target', $resolution->name('target', $call));
346    }
347    public function testDescriptionIncludesFormalReceiverAndCapturedVersions(): void
348    {
349        $source = '<?php function target(){return 1;}';
350        $budget = new Budget();
351        $configuration = new DeriverConfig();
352        $contributions = new Contributions();
353        $input = new Sources([new Source('fixture.php', $source)]);
354        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
355        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
356        $contributions1 = $providers->contributions;
357        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
358        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
359        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
360        $snapshotId = $identity->id;
361        $input1 = $providers->input;
362        $parser = new Parser(new ParserConfig($target->version));
363        $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));
364        $program1 = new Index($snapshotId, $trees);
365        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
366        $snapshotId1 = 'test';
367        $input2 = new Sources([new Source('fixture.php', $source)]);
368        $profile = $execution->configuration->target;
369        $parser1 = new Parser(new ParserConfig($profile->version));
370        $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));
371        $program = new Index($snapshotId1, $trees1);
372        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
373        $descriptor = new CallDescriptor('example', '1', 'Box::read');
374        $instruction = new BoundInstruction('call', 'invoke', new SourceRef('test', 'fixture.php', 0, 1));
375        $description = (new CallResolution($context))->description($descriptor, 'Box::read', $instruction, null, null);
376        self::assertSame('Box', $description->receiverType);
377        self::assertFalse($description->arguments->evaluated);
378    }
379    /**
380     * @param bool $replaceSource Whether the evaluator overrides captured implementation
381     * @param CallDecision $decision Evaluator applicability
382     * @param string|null $expectedPath Selected body origin
383     * @param list<string> $frontierCodes Expected unresolved boundaries
384     */
385    #[DataProvider('providerModelPrecedence')]
386    public function testBodyHonorsSourcePrecedenceAndExplicitModelDecisions(bool $replaceSource, CallDecision $decision, ?string $expectedPath, array $frontierCodes): void
387    {
388        $descriptor = new CallDescriptor('example.resolve', '2', 'external', replaceSource: $replaceSource);
389        $evaluator = self::createStub(CallEvaluator::class);
390        $evaluator->method('descriptor')->willReturn($descriptor);
391        $evaluator->method('evaluate')->willReturn($decision);
392        $source = '<?php function external(){return 1;}function target(){}';
393        $budget = new Budget();
394        $configuration = new DeriverConfig();
395        $contributions = new Contributions(evaluators: [$evaluator]);
396        $input = new Sources([new Source('fixture.php', $source)]);
397        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
398        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
399        $contributions1 = $providers->contributions;
400        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
401        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
402        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
403        $snapshotId = $identity->id;
404        $input1 = $providers->input;
405        $parser = new Parser(new ParserConfig($target->version));
406        $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));
407        $program1 = new Index($snapshotId, $trees);
408        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
409        $snapshotId1 = 'test';
410        $input2 = new Sources([new Source('fixture.php', $source)]);
411        $profile = $execution->configuration->target;
412        $parser1 = new Parser(new ParserConfig($profile->version));
413        $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));
414        $program = new Index($snapshotId1, $trees1);
415        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
416        $site = new BoundInstruction('site', 'invoke', new SourceRef('test', 'fixture.php', 5, 12));
417        $body = (new CallResolution($context))->body('external', $site);
418        self::assertSame($expectedPath, $body?->source->path);
419        self::assertSame($frontierCodes, array_column($context->frontiers, 'code'));
420    }
421    /**
422     * @return array<string,array{bool,CallDecision,string|null,list<string>}>
423     */
424    public static function providerModelPrecedence(): array
425    {
426        $plan = new SemanticPlan([Action::returns(Expression::literal(Term::constant(2)))]);
427        return ['source first' => [false, CallDecision::unsupported('unused', false), 'fixture.php', []], 'override' => [true, CallDecision::handled($plan), 'evaluator:example.resolve@2', []], 'declined' => [true, CallDecision::declined(), 'fixture.php', []], 'unsupported fallback' => [true, CallDecision::unsupported('overload'), 'fixture.php', []], 'unsupported boundary' => [true, CallDecision::unsupported('overload', false), null, ['UNSUPPORTED_EVALUATOR_CASE']], 'unsupported reason is not an exception' => [true, CallDecision::unsupported('EVALUATOR_CONTRACT_VIOLATION: bad plan', false), null, ['UNSUPPORTED_EVALUATOR_CASE']]];
428    }
429    public function testBodyRecordsModelVersionAndNativeArgumentSemantics(): void
430    {
431        $source = '<?php function target(){return 1;}';
432        $budget = new Budget();
433        $configuration = new DeriverConfig();
434        $contributions = new Contributions();
435        $input = new Sources([new Source('fixture.php', $source)]);
436        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
437        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
438        $contributions1 = $providers->contributions;
439        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
440        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
441        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
442        $snapshotId = $identity->id;
443        $input1 = $providers->input;
444        $parser = new Parser(new ParserConfig($target->version));
445        $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));
446        $program1 = new Index($snapshotId, $trees);
447        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
448        $snapshotId1 = 'test';
449        $input2 = new Sources([new Source('fixture.php', $source)]);
450        $profile = $execution->configuration->target;
451        $parser1 = new Parser(new ParserConfig($profile->version));
452        $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));
453        $program = new Index($snapshotId1, $trees1);
454        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
455        $site = new BoundInstruction('site', 'invoke', new SourceRef('test', 'fixture.php', 5, 12));
456        $body = (new CallResolution($context))->body('strlen', $site);
457        self::assertNotNull($body);
458        self::assertTrue(isset($context->nativeCalls[$body]));
459        self::assertContains('evaluator:php.strlen@1', $context->assumptions);
460        self::assertSame('test', $body->source->snapshotId);
461        self::assertSame('evaluator:php.strlen@1', $body->source->path);
462    }
463    public function testBodyLeavesUnavailableSemanticsUnresolvedWhenStandardModelsAreDisabled(): void
464    {
465        $source = '<?php function target(){return 1;}';
466        $budget = new Budget();
467        $configuration = new DeriverConfig(standardEvaluators: false);
468        $contributions = new Contributions();
469        $input = new Sources([new Source('fixture.php', $source)]);
470        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
471        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
472        $contributions1 = $providers->contributions;
473        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
474        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
475        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
476        $snapshotId = $identity->id;
477        $input1 = $providers->input;
478        $parser = new Parser(new ParserConfig($target->version));
479        $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));
480        $program1 = new Index($snapshotId, $trees);
481        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
482        $snapshotId1 = 'test';
483        $input2 = new Sources([new Source('fixture.php', $source)]);
484        $profile = $execution->configuration->target;
485        $parser1 = new Parser(new ParserConfig($profile->version));
486        $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));
487        $program = new Index($snapshotId1, $trees1);
488        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
489        $site = new BoundInstruction('site', 'invoke', new SourceRef('test', 'fixture.php', 5, 12));
490        self::assertNull((new CallResolution($context))->body('strlen', $site));
491        self::assertSame([], $context->frontiers);
492    }
493    public function testBodyRejectsInvalidPlansAndKeepsTheCallSpecificFailureReason(): void
494    {
495        $descriptor = new CallDescriptor('example.resolve', '2', 'external');
496        $evaluator = new class ($descriptor, new SemanticPlan([Action::returns(new Expression(ExpressionKind::Binary))])) implements CallEvaluator {
497            /**
498             * @param CallDescriptor $metadata Stable evaluator registration
499             * @param SemanticPlan $plan Ordered API semantics
500             */
501            public function __construct(public readonly CallDescriptor $metadata, public readonly SemanticPlan $plan)
502            {
503            }
504            /**
505             * @return CallDescriptor Stable registration
506             */
507            #[Override]
508            public function descriptor(): CallDescriptor
509            {
510                return $this->metadata;
511            }
512            /**
513             * @param CallDescription $call Selected target
514             * @return CallDecision Declarative fixture semantics
515             */
516            #[Override]
517            public function evaluate(CallDescription $call): CallDecision
518            {
519                return CallDecision::handled($this->plan);
520            }
521        };
522        $source = '<?php function target(){return 1;}';
523        $budget = new Budget();
524        $configuration = new DeriverConfig();
525        $contributions = new Contributions(evaluators: [$evaluator]);
526        $input = new Sources([new Source('fixture.php', $source)]);
527        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
528        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
529        $contributions1 = $providers->contributions;
530        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
531        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
532        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
533        $snapshotId = $identity->id;
534        $input1 = $providers->input;
535        $parser = new Parser(new ParserConfig($target->version));
536        $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));
537        $program1 = new Index($snapshotId, $trees);
538        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
539        $snapshotId1 = 'test';
540        $input2 = new Sources([new Source('fixture.php', $source)]);
541        $profile = $execution->configuration->target;
542        $parser1 = new Parser(new ParserConfig($profile->version));
543        $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));
544        $program = new Index($snapshotId1, $trees1);
545        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
546        $site = new BoundInstruction('site', 'invoke', new SourceRef('test', 'fixture.php', 5, 12));
547        $this->expectException(EvaluationContractException::class);
548        $this->expectExceptionMessage('expression-arity-or-opcode:binary');
549        (new CallResolution($context))->body('external', $site);
550    }
551    public function testBodyAllowsModelsToImplementAnExternalDeclarationUsingTheirSignature(): void
552    {
553        $descriptor = new CallDescriptor('example.resolve', '2', 'external', new Signature([new Parameter('value', 'int')], returnType: 'int'));
554        $evaluator = new class ($descriptor, new SemanticPlan([Action::returns(Expression::parameter('value'))])) implements CallEvaluator {
555            /**
556             * @param CallDescriptor $metadata Stable evaluator registration
557             * @param SemanticPlan $plan Ordered API semantics
558             */
559            public function __construct(public readonly CallDescriptor $metadata, public readonly SemanticPlan $plan)
560            {
561            }
562            /**
563             * @return CallDescriptor Stable registration
564             */
565            #[Override]
566            public function descriptor(): CallDescriptor
567            {
568                return $this->metadata;
569            }
570            /**
571             * @param CallDescription $call Selected target
572             * @return CallDecision Declarative fixture semantics
573             */
574            #[Override]
575            public function evaluate(CallDescription $call): CallDecision
576            {
577                return CallDecision::handled($this->plan);
578            }
579        };
580        $configuration = new DeriverConfig();
581        $contributions = new Contributions(evaluators: [$evaluator]);
582        $source = '<?php function target(){return 1;}';
583        $budget = new Budget();
584        $contributions1 = new Contributions();
585        $input = new Sources([new Source('fixture.php', $source)]);
586        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
587        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions1);
588        $contributions2 = $providers->contributions;
589        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions2->evaluators, $contributions2->providers, $contributions2->domains, $contributions2->intrinsics, $contributions2->stateSlots), $configuration->standardEvaluators);
590        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
591        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
592        $snapshotId = $identity->id;
593        $input1 = $providers->input;
594        $parser = new Parser(new ParserConfig($target->version));
595        $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));
596        $program2 = new Index($snapshotId, $trees);
597        $execution = new QueryExecution($program2, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program2->diagnostics())));
598        $snapshotId1 = 'test';
599        $input2 = new Sources([new Source('fixture.php', $source)]);
600        $profile = $execution->configuration->target;
601        $parser1 = new Parser(new ParserConfig($profile->version));
602        $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));
603        $program1 = new Index($snapshotId1, $trees1);
604        $snapshotId2 = 'test';
605        $input3 = new Sources([new Source('library.php', '<?php function external(int $value):int{}', declarationsOnly: true)]);
606        $profile1 = (new Context($program1, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators))->configuration->target;
607        $parser2 = new Parser(new ParserConfig($profile1->version));
608        $trees2 = array_map(static fn (Source $source3): File => (new Resolver())->resolve($parser2->parse(new Source(Path::normalize($source3->path), $source3->contents, $source3->declarationsOnly))), iterator_to_array($input3, false));
609        $program = new Index($snapshotId2, $trees2);
610        $source4 = '<?php function target(){return 1;}';
611        $budget1 = new Budget();
612        $contributions3 = new Contributions();
613        $input4 = new Sources([new Source('fixture.php', $source4)]);
614        $target1 = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
615        $providers1 = new ProviderExpansion($input4, array_map(Term::fromNative(...), $configuration->environment), $contributions3);
616        $contributions4 = $providers1->contributions;
617        $evaluators1 = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions4->evaluators, $contributions4->providers, $contributions4->domains, $contributions4->intrinsics, $contributions4->stateSlots), $configuration->standardEvaluators);
618        $settings1 = new EvaluatorConfig($target1, $providers1->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
619        $identity1 = new SnapshotIdentity($providers1->input, $settings1, $evaluators1, $providers1->manifest);
620        $snapshotId3 = $identity1->id;
621        $input5 = $providers1->input;
622        $parser3 = new Parser(new ParserConfig($target1->version));
623        $trees3 = array_map(static fn (Source $source5): File => (new Resolver())->resolve($parser3->parse(new Source(Path::normalize($source5->path), $source5->contents, $source5->declarationsOnly))), iterator_to_array($input5, false));
624        $program4 = new Index($snapshotId3, $trees3);
625        $execution1 = new QueryExecution($program4, new ExecutionEvaluatorConfig($target1, $providers1->environment, $configuration->standardEvaluators), $evaluators1, $identity1->snapshot(array_map(Frontier::fromDiagnostic(...), $program4->diagnostics())));
626        $snapshotId4 = 'test';
627        $input6 = new Sources([new Source('fixture.php', $source4)]);
628        $profile2 = $execution1->configuration->target;
629        $parser4 = new Parser(new ParserConfig($profile2->version));
630        $trees4 = array_map(static fn (Source $source6): File => (new Resolver())->resolve($parser4->parse(new Source(Path::normalize($source6->path), $source6->contents, $source6->declarationsOnly))), iterator_to_array($input6, false));
631        $program3 = new Index($snapshotId4, $trees4);
632        $context = new Context($program, new ReturnQuery('external'), (new Context($program3, new ReturnQuery('target', budget: $budget1), $execution1->configuration, $execution1->evaluators))->configuration, new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $configuration->standardEvaluators));
633        $body = (new CallResolution($context))->body('external', new BoundInstruction('site', 'invoke', new SourceRef('test', 'caller.php', 0, 1)));
634        self::assertNotNull($body);
635        self::assertFalse($body->external);
636        self::assertSame('int', $body->returnType);
637        self::assertSame('value', $body->parameters[0]->name);
638        self::assertContains('evaluator:example.resolve@2', $context->assumptions);
639    }
640    /**
641     * @param string $symbol Requested name
642     * @param string|bool $fallback Captured fallback or malformed IR value
643     * @param bool $standard Whether built-in semantics are enabled
644     * @param string $expected Selected spelling
645     */
646    #[DataProvider('providerFallbacks')]
647    public function testNameSelectsOnlyAvailableNamespaceFallbacks(string $symbol, string|bool $fallback, bool $standard, string $expected): void
648    {
649        $evaluator = new class (new CallDescriptor('example.resolve', '2', 'N\handled'), new SemanticPlan([Action::returns(Expression::literal(Term::constant(1)))])) implements CallEvaluator {
650            /**
651             * @param CallDescriptor $metadata Stable evaluator registration
652             * @param SemanticPlan $plan Ordered API semantics
653             */
654            public function __construct(public readonly CallDescriptor $metadata, public readonly SemanticPlan $plan)
655            {
656            }
657            /**
658             * @return CallDescriptor Stable registration
659             */
660            #[Override]
661            public function descriptor(): CallDescriptor
662            {
663                return $this->metadata;
664            }
665            /**
666             * @param CallDescription $call Selected target
667             * @return CallDecision Declarative fixture semantics
668             */
669            #[Override]
670            public function evaluate(CallDescription $call): CallDecision
671            {
672                return CallDecision::handled($this->plan);
673            }
674        };
675        $source = '<?php function local_function(){}';
676        $budget = new Budget();
677        $configuration = new DeriverConfig(standardEvaluators: $standard);
678        $contributions = new Contributions(evaluators: [$evaluator]);
679        $input = new Sources([new Source('fixture.php', $source)]);
680        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
681        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
682        $contributions1 = $providers->contributions;
683        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
684        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
685        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
686        $snapshotId = $identity->id;
687        $input1 = $providers->input;
688        $parser = new Parser(new ParserConfig($target->version));
689        $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));
690        $program1 = new Index($snapshotId, $trees);
691        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
692        $snapshotId1 = 'test';
693        $input2 = new Sources([new Source('fixture.php', $source)]);
694        $profile = $execution->configuration->target;
695        $parser1 = new Parser(new ParserConfig($profile->version));
696        $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));
697        $program = new Index($snapshotId1, $trees1);
698        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
699        $site = new BoundInstruction('site', 'invoke', new SourceRef('test', 'fixture.php', 0, 1), attributes: ['fallback' => $fallback]);
700        self::assertSame($expected, (new CallResolution($context))->name($symbol, $site));
701    }
702    /**
703     * @return array<string,array{string,string|bool,bool,string}>
704     */
705    public static function providerFallbacks(): array
706    {
707        return ['source fallback' => ['N\local_function', 'local_function', false, 'local_function'], 'evaluator fallback' => ['Outer\handled', 'N\handled', false, 'N\handled'], 'qualified evaluator wins' => ['n\HANDLED', 'local_function', false, 'n\HANDLED'], 'standard fallback' => ['N\strlen', 'strlen', true, 'strlen'], 'disabled standard' => ['N\strlen', 'strlen', false, 'N\strlen'], 'absent fallback' => ['N\missing', 'missing', true, 'N\missing'], 'empty fallback' => ['N\missing', '', true, 'N\missing'], 'invalid fallback' => ['N\missing', false, true, 'N\missing']];
708    }
709    public function testDescriptionSuppliesEvaluatedActualsAndTheExplicitReceiverClass(): void
710    {
711        $source = '<?php function target(){return 1;}';
712        $budget = new Budget();
713        $configuration = new DeriverConfig();
714        $contributions = new Contributions();
715        $input = new Sources([new Source('fixture.php', $source)]);
716        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
717        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
718        $contributions1 = $providers->contributions;
719        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
720        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
721        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
722        $snapshotId = $identity->id;
723        $input1 = $providers->input;
724        $parser = new Parser(new ParserConfig($target->version));
725        $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));
726        $program1 = new Index($snapshotId, $trees);
727        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
728        $snapshotId1 = 'test';
729        $input2 = new Sources([new Source('fixture.php', $source)]);
730        $profile = $execution->configuration->target;
731        $parser1 = new Parser(new ParserConfig($profile->version));
732        $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));
733        $program = new Index($snapshotId1, $trees1);
734        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
735        $descriptor = new CallDescriptor('example.resolve', '2', 'Base::read', new Signature([new Parameter('value')]));
736        $site = new BoundInstruction('site', 'invoke', new SourceRef('test', 'fixture.php', 0, 1));
737        $description = (new CallResolution($context))->description($descriptor, 'Base::read', $site, [new PassedArgument(Term::constant(7), 'value')], new State(), 'Child');
738        self::assertSame('Base::read', $description->symbol);
739        self::assertSame('Child', $description->receiverType);
740        self::assertSame($descriptor->signature, $description->signature);
741        self::assertSame($context->configuration->target, $description->target);
742        self::assertTrue($description->arguments->evaluated);
743        self::assertTrue($description->arguments->arguments['value']->supplied);
744        self::assertSame(7, $description->arguments->arguments['value']->value->native());
745    }
746}
747