packages/deriver/tests/Integration/CallableIdentityTest.php
1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Integration;
6
7use Deriver\Deriver\Candidate;
8use Deriver\Deriver\Contributions;
9use Deriver\Deriver\DeriverConfig;
10use Deriver\Deriver\Evaluator\Call\CallDecision;
11use Deriver\Deriver\Evaluator\Call\CallDescription;
12use Deriver\Deriver\Evaluator\Call\CallDescriptor;
13use Deriver\Deriver\Evaluator\Call\CallEvaluator;
14use Deriver\Deriver\Evaluator\Call\Evaluators;
15use Deriver\Deriver\Evaluator\Call\Plan\Action;
16use Deriver\Deriver\Evaluator\Call\Plan\Expression;
17use Deriver\Deriver\Evaluator\Call\Plan\SemanticPlan;
18use Deriver\Deriver\Evaluator\Call\Registrations;
19use Deriver\Deriver\Evaluator\Declaration\Parameter;
20use Deriver\Deriver\Evaluator\Declaration\Signature;
21use Deriver\Deriver\Evaluator\EvaluatorConfig;
22use Deriver\Deriver\Evaluator\Evidence\Frontier;
23use Deriver\Deriver\Evaluator\Execution\Completion\Reachability;
24use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
25use Deriver\Deriver\Evaluator\Index\DefinitionIndex;
26use Deriver\Deriver\Evaluator\Request\ReturnQuery;
27use Deriver\Deriver\Evaluator\Request\StateQuery;
28use Deriver\Deriver\Evaluator\Request\TupleQuery;
29use Deriver\Deriver\Evaluator\Request\ValueQuery;
30use Deriver\Deriver\Evaluator\Scalar\Identity;
31use Deriver\Deriver\Evaluator\TargetProfile;
32use Deriver\Deriver\Evaluator\Term;
33use Deriver\Deriver\Execution\QueryExecution;
34use Deriver\Deriver\Lowerer\Declaration\Index;
35use Deriver\Deriver\Lowerer\Graph\ExpressionRef;
36use Deriver\Deriver\Lowerer\Graph\ObservationPhase;
37use Deriver\Deriver\Lowerer\Graph\PointRef;
38use Deriver\Deriver\MicroEvaluatorConversion;
39use Deriver\Deriver\Parser\Node\File;
40use Deriver\Deriver\Parser\Parser;
41use Deriver\Deriver\Parser\ParserConfig;
42use Deriver\Deriver\Providers\ProviderExpansion;
43use Deriver\Deriver\Publication\CandidateQuery;
44use Deriver\Deriver\Resolver\Resolver;
45use Deriver\Deriver\Selection\CallObservations;
46use Deriver\Deriver\SnapshotIdentity;
47use Deriver\Deriver\Sources\Path;
48use Deriver\Deriver\Sources\Source;
49use Deriver\Deriver\Sources\SourceRef;
50use Deriver\Deriver\Sources\Sources;
51use Override;
52use PHPUnit\Framework\Attributes\CoversNothing;
53use PHPUnit\Framework\Attributes\DataProvider;
54use PHPUnit\Framework\Attributes\Small;
55use PHPUnit\Framework\TestCase;
56use WeakMap;
57
58#[CoversNothing]
59#[Small]
60final class CallableIdentityTest extends TestCase
61{
62 public function testScriptQueriesKeepCaseSensitiveCapturedPathsDistinct(): void
63 {
64 $prepared1Input = new Sources([new Source('A.php', '<?php return 1;'), new Source('a.php', '<?php return 2;')]);
65 $prepared1Configuration = new DeriverConfig();
66 $prepared1Contributions = new Contributions();
67 $prepared1Target = new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision);
68 $prepared1Providers = new ProviderExpansion($prepared1Input, array_map(Term::fromNative(...), $prepared1Configuration->environment), $prepared1Contributions);
69 $contributions = $prepared1Providers->contributions;
70 $prepared1Evaluators = new Evaluators(new TargetProfile($prepared1Configuration->phpVersion, $prepared1Configuration->integerBits, $prepared1Configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $prepared1Configuration->standardEvaluators);
71 $prepared1Settings = new EvaluatorConfig($prepared1Target, $prepared1Providers->environment, $prepared1Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared1Configuration->evaluators));
72 $prepared1Identity = new SnapshotIdentity($prepared1Providers->input, $prepared1Settings, $prepared1Evaluators, $prepared1Providers->manifest);
73 $snapshotId = $prepared1Identity->id;
74 $input = $prepared1Providers->input;
75 $parser = new Parser(new ParserConfig($prepared1Target->version));
76 $trees = array_map(static fn (Source $source): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source->path), $source->contents, $source->declarationsOnly))), iterator_to_array($input, false));
77 $prepared1Program = new Index($snapshotId, $trees);
78 $prepared1Snapshot = $prepared1Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared1Program->diagnostics()));
79 $session = new CandidateQuery(new DefinitionIndex($prepared1Program), $prepared1Settings, $prepared1Evaluators, $prepared1Snapshot);
80 $upper = $session->derive(new ReturnQuery('script:A.php'));
81 $lower = $session->derive(new ReturnQuery('script:a.php'));
82 $frontiers = array_reduce(iterator_to_array($upper, false), static function (array $frontiers, Candidate $candidate): array {
83 if ($candidate->result instanceof Term) {
84 $graph = $candidate->result;
85 $snapshot = $candidate->evidence[0]->snapshot;
86 $pending = [$graph];
87 $seen = new WeakMap();
88 $frontiers1 = [];
89 while ($pending !== []) {
90 $node = array_pop($pending);
91 if (isset($seen[$node])) {
92 continue;
93 }
94 $seen[$node] = true;
95 array_push($pending, ...array_values($node->operands));
96 $reason = $node->attributes['reason'] ?? null;
97 if (!is_string($reason)) {
98 continue;
99 }
100 $source1 = new SourceRef($snapshot->id, (string) ($node->attributes['source'] ?? ''), (int) ($node->attributes['start'] ?? 0), (int) ($node->attributes['end'] ?? $node->attributes['start'] ?? 0));
101 $identity = (string) ($node->attributes['identity'] ?? (new Identity())->key($node));
102 $frontiers1[$identity] = new Frontier($reason, $source1, (string) $node->literal, ['value'], [$identity], $node, $reason);
103 }
104 array_push($frontiers, ...array_values($frontiers1));
105 }
106 return $frontiers;
107 }, []);
108 self::assertSame([], $frontiers);
109 $frontiers2 = array_reduce(iterator_to_array($lower, false), static function (array $frontiers2, Candidate $candidate1): array {
110 if ($candidate1->result instanceof Term) {
111 $graph1 = $candidate1->result;
112 $snapshot1 = $candidate1->evidence[0]->snapshot;
113 $pending1 = [$graph1];
114 $seen1 = new WeakMap();
115 $frontiers3 = [];
116 while ($pending1 !== []) {
117 $node1 = array_pop($pending1);
118 if (isset($seen1[$node1])) {
119 continue;
120 }
121 $seen1[$node1] = true;
122 array_push($pending1, ...array_values($node1->operands));
123 $reason1 = $node1->attributes['reason'] ?? null;
124 if (!is_string($reason1)) {
125 continue;
126 }
127 $source2 = new SourceRef($snapshot1->id, (string) ($node1->attributes['source'] ?? ''), (int) ($node1->attributes['start'] ?? 0), (int) ($node1->attributes['end'] ?? $node1->attributes['start'] ?? 0));
128 $identity1 = (string) ($node1->attributes['identity'] ?? (new Identity())->key($node1));
129 $frontiers3[$identity1] = new Frontier($reason1, $source2, (string) $node1->literal, ['value'], [$identity1], $node1, $reason1);
130 }
131 array_push($frontiers2, ...array_values($frontiers3));
132 }
133 return $frontiers2;
134 }, []);
135 self::assertSame([], $frontiers2);
136 self::assertCount(1, $upper);
137 self::assertCount(1, $lower);
138 self::assertSame(1, $upper[0]->result);
139 self::assertSame(2, $lower[0]->result);
140 }
141 public function testClosuresAtTheSameOffsetInDistinctPathsDoNotShareBodies(): void
142 {
143 $input = new Sources([new Source('A.php', '<?php function first(){return (fn()=>1)();}'), new Source('a.php', '<?php function other(){return (fn()=>2)();}'), new Source('main.php', '<?php function target(){return [first(),other()];}')]);
144 $prepared2Input = $input;
145 $prepared2Configuration = new DeriverConfig();
146 $prepared2Contributions = new Contributions();
147 $prepared2Target = new TargetProfile($prepared2Configuration->phpVersion, $prepared2Configuration->integerBits, $prepared2Configuration->floatPrecision);
148 $prepared2Providers = new ProviderExpansion($prepared2Input, array_map(Term::fromNative(...), $prepared2Configuration->environment), $prepared2Contributions);
149 $contributions = $prepared2Providers->contributions;
150 $prepared2Evaluators = new Evaluators(new TargetProfile($prepared2Configuration->phpVersion, $prepared2Configuration->integerBits, $prepared2Configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $prepared2Configuration->standardEvaluators);
151 $prepared2Settings = new EvaluatorConfig($prepared2Target, $prepared2Providers->environment, $prepared2Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared2Configuration->evaluators));
152 $prepared2Identity = new SnapshotIdentity($prepared2Providers->input, $prepared2Settings, $prepared2Evaluators, $prepared2Providers->manifest);
153 $snapshotId = $prepared2Identity->id;
154 $input1 = $prepared2Providers->input;
155 $parser = new Parser(new ParserConfig($prepared2Target->version));
156 $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));
157 $prepared2Program = new Index($snapshotId, $trees);
158 $prepared2Snapshot = $prepared2Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared2Program->diagnostics()));
159 $first = (new CandidateQuery(new DefinitionIndex($prepared2Program), $prepared2Settings, $prepared2Evaluators, $prepared2Snapshot))->derive(new ReturnQuery('target'));
160 $prepared3Input = $input;
161 $prepared3Configuration = new DeriverConfig();
162 $prepared3Contributions = new Contributions();
163 $prepared3Target = new TargetProfile($prepared3Configuration->phpVersion, $prepared3Configuration->integerBits, $prepared3Configuration->floatPrecision);
164 $prepared3Providers = new ProviderExpansion($prepared3Input, array_map(Term::fromNative(...), $prepared3Configuration->environment), $prepared3Contributions);
165 $contributions1 = $prepared3Providers->contributions;
166 $prepared3Evaluators = new Evaluators(new TargetProfile($prepared3Configuration->phpVersion, $prepared3Configuration->integerBits, $prepared3Configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $prepared3Configuration->standardEvaluators);
167 $prepared3Settings = new EvaluatorConfig($prepared3Target, $prepared3Providers->environment, $prepared3Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared3Configuration->evaluators));
168 $prepared3Identity = new SnapshotIdentity($prepared3Providers->input, $prepared3Settings, $prepared3Evaluators, $prepared3Providers->manifest);
169 $snapshotId1 = $prepared3Identity->id;
170 $input2 = $prepared3Providers->input;
171 $parser1 = new Parser(new ParserConfig($prepared3Target->version));
172 $trees1 = array_map(static fn (Source $source1): File => (new Resolver())->resolve($parser1->parse(new Source(Path::normalize($source1->path), $source1->contents, $source1->declarationsOnly))), iterator_to_array($input2, false));
173 $prepared3Program = new Index($snapshotId1, $trees1);
174 $prepared3Snapshot = $prepared3Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared3Program->diagnostics()));
175 $second = (new CandidateQuery(new DefinitionIndex($prepared3Program), $prepared3Settings, $prepared3Evaluators, $prepared3Snapshot))->derive(new ReturnQuery('target'));
176 $frontiers = array_reduce(iterator_to_array($first, false), static function (array $frontiers, Candidate $candidate): array {
177 if ($candidate->result instanceof Term) {
178 $graph = $candidate->result;
179 $snapshot = $candidate->evidence[0]->snapshot;
180 $pending = [$graph];
181 $seen = new WeakMap();
182 $frontiers1 = [];
183 while ($pending !== []) {
184 $node = array_pop($pending);
185 if (isset($seen[$node])) {
186 continue;
187 }
188 $seen[$node] = true;
189 array_push($pending, ...array_values($node->operands));
190 $reason = $node->attributes['reason'] ?? null;
191 if (!is_string($reason)) {
192 continue;
193 }
194 $source2 = new SourceRef($snapshot->id, (string) ($node->attributes['source'] ?? ''), (int) ($node->attributes['start'] ?? 0), (int) ($node->attributes['end'] ?? $node->attributes['start'] ?? 0));
195 $identity = (string) ($node->attributes['identity'] ?? (new Identity())->key($node));
196 $frontiers1[$identity] = new Frontier($reason, $source2, (string) $node->literal, ['value'], [$identity], $node, $reason);
197 }
198 array_push($frontiers, ...array_values($frontiers1));
199 }
200 return $frontiers;
201 }, []);
202 self::assertSame([], $frontiers);
203 $frontiers2 = array_reduce(iterator_to_array($second, false), static function (array $frontiers2, Candidate $candidate1): array {
204 if ($candidate1->result instanceof Term) {
205 $graph1 = $candidate1->result;
206 $snapshot1 = $candidate1->evidence[0]->snapshot;
207 $pending1 = [$graph1];
208 $seen1 = new WeakMap();
209 $frontiers3 = [];
210 while ($pending1 !== []) {
211 $node1 = array_pop($pending1);
212 if (isset($seen1[$node1])) {
213 continue;
214 }
215 $seen1[$node1] = true;
216 array_push($pending1, ...array_values($node1->operands));
217 $reason1 = $node1->attributes['reason'] ?? null;
218 if (!is_string($reason1)) {
219 continue;
220 }
221 $source3 = new SourceRef($snapshot1->id, (string) ($node1->attributes['source'] ?? ''), (int) ($node1->attributes['start'] ?? 0), (int) ($node1->attributes['end'] ?? $node1->attributes['start'] ?? 0));
222 $identity1 = (string) ($node1->attributes['identity'] ?? (new Identity())->key($node1));
223 $frontiers3[$identity1] = new Frontier($reason1, $source3, (string) $node1->literal, ['value'], [$identity1], $node1, $reason1);
224 }
225 array_push($frontiers2, ...array_values($frontiers3));
226 }
227 return $frontiers2;
228 }, []);
229 self::assertSame([], $frontiers2);
230 self::assertSame([1, 2], $first[0]->result);
231 self::assertSame([1, 2], $second[0]->result);
232 }
233 public function testFullyQualifiedReturnSelectorsObserveTheirResolvedFunction(): void
234 {
235 $input = new Sources([new Source('fixture.php', '<?php namespace N;function target(){return 3;}')]);
236 $configuration = new DeriverConfig();
237 $contributions = new Contributions();
238 $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
239 $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
240 $contributions1 = $providers->contributions;
241 $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
242 $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
243 $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
244 $snapshotId = $identity->id;
245 $input1 = $providers->input;
246 $parser = new Parser(new ParserConfig($target->version));
247 $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));
248 $program = new Index($snapshotId, $trees);
249 $session = new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics())));
250 $result = $session->derive(new ReturnQuery('\N\TARGET'));
251 self::assertSame(Reachability::MayReach, $result->reachability);
252 self::assertSame([], $result->frontiers);
253 self::assertCount(1, $result->normalOutcomes);
254 self::assertSame(3, $result->normalOutcomes[0]->values['return']->native());
255 }
256 public function testCallSelectorsFindClosuresInEveryCaseSensitivePath(): void
257 {
258 $prepared4Input = new Sources([new Source('A.php', '<?php function first(){return fn()=>sink(1);}'), new Source('a.php', '<?php function other(){return fn()=>sink(2);}')]);
259 $prepared4Configuration = new DeriverConfig();
260 $prepared4Contributions = new Contributions();
261 $prepared4Target = new TargetProfile($prepared4Configuration->phpVersion, $prepared4Configuration->integerBits, $prepared4Configuration->floatPrecision);
262 $prepared4Providers = new ProviderExpansion($prepared4Input, array_map(Term::fromNative(...), $prepared4Configuration->environment), $prepared4Contributions);
263 $contributions = $prepared4Providers->contributions;
264 $prepared4Evaluators = new Evaluators(new TargetProfile($prepared4Configuration->phpVersion, $prepared4Configuration->integerBits, $prepared4Configuration->floatPrecision), new Registrations($contributions->evaluators, $contributions->providers, $contributions->domains, $contributions->intrinsics, $contributions->stateSlots), $prepared4Configuration->standardEvaluators);
265 $prepared4Settings = new EvaluatorConfig($prepared4Target, $prepared4Providers->environment, $prepared4Configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $prepared4Configuration->evaluators));
266 $prepared4Identity = new SnapshotIdentity($prepared4Providers->input, $prepared4Settings, $prepared4Evaluators, $prepared4Providers->manifest);
267 $snapshotId = $prepared4Identity->id;
268 $input = $prepared4Providers->input;
269 $parser = new Parser(new ParserConfig($prepared4Target->version));
270 $trees = array_map(static fn (Source $source): File => (new Resolver())->resolve($parser->parse(new Source(Path::normalize($source->path), $source->contents, $source->declarationsOnly))), iterator_to_array($input, false));
271 $prepared4Program = new Index($snapshotId, $trees);
272 $prepared4Snapshot = $prepared4Identity->snapshot(array_map(Frontier::fromDiagnostic(...), $prepared4Program->diagnostics()));
273 $session = new CandidateQuery(new DefinitionIndex($prepared4Program), $prepared4Settings, $prepared4Evaluators, $prepared4Snapshot);
274 $calls = (new CallObservations($prepared4Program, $prepared4Evaluators))->find('\SINK');
275 self::assertCount(2, $calls);
276 self::assertSame('A.php', $calls[0]->source->path);
277 self::assertSame('a.php', $calls[1]->source->path);
278 $upper = $session->derive(new ValueQuery($calls[0]->argument(0)));
279 $lower = $session->derive(new ValueQuery($calls[1]->argument(0)));
280 self::assertSame(1, $upper[0]->result);
281 self::assertSame(2, $lower[0]->result);
282 }
283 public function testEvaluatorCallsNormalizeQualifiedNamesWithoutMergingParameterDefaults(): void
284 {
285 $signature = new Signature([new Parameter('X', default: Term::constant(1)), new Parameter('x', default: Term::constant(2))]);
286 $plan = new SemanticPlan([Action::returns(Expression::binary('-', Expression::parameter('X'), Expression::parameter('x')))]);
287 $evaluator = new class (new CallDescriptor('example.remote', '1', '\REMOTE', $signature), $plan) implements CallEvaluator {
288 /**
289 * @param CallDescriptor $metadata Stable evaluator registration
290 * @param SemanticPlan $plan Ordered API semantics
291 */
292 public function __construct(public readonly CallDescriptor $metadata, public readonly SemanticPlan $plan)
293 {
294 }
295 /**
296 * @return CallDescriptor Stable registration
297 */
298 #[Override]
299 public function descriptor(): CallDescriptor
300 {
301 return $this->metadata;
302 }
303 /**
304 * @param CallDescription $call Selected target
305 * @return CallDecision Declarative fixture semantics
306 */
307 #[Override]
308 public function evaluate(CallDescription $call): CallDecision
309 {
310 return CallDecision::handled($this->plan);
311 }
312 };
313 $input = new Sources([new Source('fixture.php', '<?php function target(){$f="\\\\remote";return [remote(),\remote(),$f()];}')]);
314 $configuration = new DeriverConfig();
315 $contributions = new Contributions(evaluators: [$evaluator]);
316 $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
317 $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
318 $contributions1 = $providers->contributions;
319 $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
320 $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
321 $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
322 $snapshotId = $identity->id;
323 $input1 = $providers->input;
324 $parser = new Parser(new ParserConfig($target->version));
325 $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));
326 $program = new Index($snapshotId, $trees);
327 $session = new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics())));
328 $result = $session->derive(new ReturnQuery('target'));
329 self::assertSame([], $result->frontiers);
330 self::assertSame([], $result->exceptionalOutcomes);
331 self::assertCount(1, $result->normalOutcomes);
332 self::assertSame([-1, -1, -1], $result->normalOutcomes[0]->values['return']->native());
333 }
334 #[DataProvider('providerObservationOwners')]
335 public function testAllObservationKindsUseTheResolvedCallableIdentity(string $owner): void
336 {
337 $input = new Sources([new Source('fixture.php', '<?php namespace N;function sink($x){return $x;}function target(){$x=3;return \N\sink($x);}')]);
338 $configuration = new DeriverConfig();
339 $contributions = new Contributions();
340 $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
341 $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
342 $contributions1 = $providers->contributions;
343 $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
344 $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
345 $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
346 $snapshotId = $identity->id;
347 $input1 = $providers->input;
348 $parser = new Parser(new ParserConfig($target->version));
349 $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));
350 $program = new Index($snapshotId, $trees);
351 $session = new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics())));
352 $call = (new CallObservations($session->program, $session->evaluators))->find('N\sink')[0];
353 $argument = $call->argument(0);
354 $expression = new ExpressionRef($argument->source, $owner, $argument->register);
355 $point = new PointRef($call->source, $owner, $call->instruction, ObservationPhase::Invocation);
356 $value = $session->derive(new ValueQuery($expression));
357 $state = $session->derive(new StateQuery($point, 'x'));
358 $tuple = $session->derive(new TupleQuery($point, ['argument' => $argument]));
359 self::assertSame(Reachability::MayReach, $value->reachability);
360 self::assertSame(Reachability::MayReach, $state->reachability);
361 self::assertSame(Reachability::MayReach, $tuple->reachability);
362 self::assertSame([], $value->frontiers);
363 self::assertSame([], $state->frontiers);
364 self::assertSame([], $tuple->frontiers);
365 self::assertSame(3, $value->normalOutcomes[0]->values['value']->native());
366 self::assertSame(3, $state->normalOutcomes[0]->values['state']->native());
367 self::assertSame(3, $tuple->normalOutcomes[0]->values['argument']->native());
368 }
369 /**
370 * @return iterable<string,array{string}>
371 */
372 public static function providerObservationOwners(): iterable
373 {
374 yield 'declaration spelling' => ['N\target'];
375 yield 'case variant' => ['n\TARGET'];
376 yield 'fully qualified variant' => ['\N\TARGET'];
377 }
378 public function testNamespacedCallSelectorsUseTheResolvedSourceName(): void
379 {
380 $input = new Sources([new Source('fixture.php', '<?php namespace N;function sink($x){return $x;}function target(){return sink(3);}')]);
381 $configuration = new DeriverConfig();
382 $contributions = new Contributions();
383 $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
384 $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
385 $contributions1 = $providers->contributions;
386 $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
387 $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
388 $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
389 $snapshotId = $identity->id;
390 $input1 = $providers->input;
391 $parser = new Parser(new ParserConfig($target->version));
392 $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));
393 $program = new Index($snapshotId, $trees);
394 $session = new QueryExecution($program, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program->diagnostics())));
395 $calls = (new CallObservations($session->program, $session->evaluators))->find('\N\SINK');
396 self::assertCount(1, $calls);
397 self::assertSame('N\sink', $calls[0]->target);
398 self::assertSame('N\target', $calls[0]->callable);
399 $result = $session->derive(new ValueQuery($calls[0]->argument(0)));
400 self::assertSame([], $result->frontiers);
401 self::assertSame(3, $result->normalOutcomes[0]->values['value']->native());
402 }
403}
404