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

1<?php
2
3declare (strict_types=1);
4
5namespace Tests\Unit\Deriver\Evaluator\Execution\Call\Preparation;
6
7use Deriver\Deriver\Contributions;
8use Deriver\Deriver\DeriverConfig;
9use Deriver\Deriver\Evaluator\Builtin\Library;
10use Deriver\Deriver\Evaluator\Call\BoundInstruction;
11use Deriver\Deriver\Evaluator\Call\Evaluators;
12use Deriver\Deriver\Evaluator\Call\Extensions;
13use Deriver\Deriver\Evaluator\Call\Registrations;
14use Deriver\Deriver\Evaluator\Call\StateRegistry;
15use Deriver\Deriver\Evaluator\EvaluatorConfig;
16use Deriver\Deriver\Evaluator\Evidence\Frontier;
17use Deriver\Deriver\Evaluator\Execution\Call\CallableCheck;
18use Deriver\Deriver\Evaluator\Execution\Call\CallResolution;
19use Deriver\Deriver\Evaluator\Execution\Call\Creation\Access;
20use Deriver\Deriver\Evaluator\Execution\Call\Member\Invocation;
21use Deriver\Deriver\Evaluator\Execution\Call\Native\Signatures;
22use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Creation;
23use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Resolution;
24use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Target;
25use Deriver\Deriver\Evaluator\Execution\Call\Preparation\Transfer;
26use Deriver\Deriver\Evaluator\Execution\Completion\Completion;
27use Deriver\Deriver\Evaluator\Execution\Completion\CompletionKind;
28use Deriver\Deriver\Evaluator\Execution\Context;
29use Deriver\Deriver\Evaluator\Execution\Evaluator;
30use Deriver\Deriver\Evaluator\Execution\EvaluatorConfig as ExecutionEvaluatorConfig;
31use Deriver\Deriver\Evaluator\Execution\Havoc;
32use Deriver\Deriver\Evaluator\Execution\Memory\Location;
33use Deriver\Deriver\Evaluator\Execution\Memory\Memory;
34use Deriver\Deriver\Evaluator\Execution\State;
35use Deriver\Deriver\Evaluator\Request\Budget;
36use Deriver\Deriver\Evaluator\Request\QueryScope;
37use Deriver\Deriver\Evaluator\Request\ReturnQuery;
38use Deriver\Deriver\Evaluator\TargetProfile;
39use Deriver\Deriver\Evaluator\Term;
40use Deriver\Deriver\Evaluator\TermKind;
41use Deriver\Deriver\Execution\QueryExecution;
42use Deriver\Deriver\Lowerer\Declaration\CallableIdentity;
43use Deriver\Deriver\Lowerer\Declaration\CallableSource;
44use Deriver\Deriver\Lowerer\Declaration\Index;
45use Deriver\Deriver\Lowerer\Declaration\Indexer;
46use Deriver\Deriver\Lowerer\Declaration\Traits\Composition;
47use Deriver\Deriver\Lowerer\ExpressionLowering;
48use Deriver\Deriver\Lowerer\Graph\BasicBlock;
49use Deriver\Deriver\Lowerer\Graph\CallableGraph;
50use Deriver\Deriver\Lowerer\Graph\Instruction;
51use Deriver\Deriver\Lowerer\Graph\Terminator;
52use Deriver\Deriver\Lowerer\Hierarchy\Builtins;
53use Deriver\Deriver\Lowerer\Hierarchy\Dispatch;
54use Deriver\Deriver\Lowerer\InstructionEmitter;
55use Deriver\Deriver\Lowerer\Lowerer;
56use Deriver\Deriver\Lowerer\LoweringScope;
57use Deriver\Deriver\Lowerer\StatementLowering;
58use Deriver\Deriver\MicroEvaluatorConversion;
59use Deriver\Deriver\Parser\Node\File;
60use Deriver\Deriver\Parser\Parser;
61use Deriver\Deriver\Parser\ParserConfig;
62use Deriver\Deriver\Parser\TargetSyntax;
63use Deriver\Deriver\Providers\ProviderExpansion;
64use Deriver\Deriver\Resolver\AssignmentPatterns;
65use Deriver\Deriver\Resolver\ClassScope;
66use Deriver\Deriver\Resolver\ExpressionValidation;
67use Deriver\Deriver\Resolver\MagicContext;
68use Deriver\Deriver\Resolver\Resolver;
69use Deriver\Deriver\SnapshotIdentity;
70use Deriver\Deriver\Sources\LineMap;
71use Deriver\Deriver\Sources\Path;
72use Deriver\Deriver\Sources\Source;
73use Deriver\Deriver\Sources\SourceRef;
74use Deriver\Deriver\Sources\Sources;
75use Deriver\Exception\ParserException;
76use Deriver\Exception\ResolutionException;
77use PHPUnit\Framework\Attributes\CoversClass;
78use PHPUnit\Framework\Attributes\Small;
79use PHPUnit\Framework\Attributes\UsesClass;
80use PHPUnit\Framework\TestCase;
81
82/**
83 * @covers \Deriver\Deriver\Evaluator\Execution\Call\Preparation\Transfer
84 */
85#[UsesClass(Resolver::class)]
86#[UsesClass(ExpressionValidation::class)]
87#[UsesClass(ResolutionException::class)]
88#[UsesClass(ParserConfig::class)]
89#[UsesClass(ParserException::class)]
90#[CoversClass(Transfer::class)]
91#[UsesClass(BasicBlock::class)]
92#[UsesClass(CallableGraph::class)]
93#[UsesClass(CallableIdentity::class)]
94#[UsesClass(Instruction::class)]
95#[UsesClass(Terminator::class)]
96#[UsesClass(CallResolution::class)]
97#[UsesClass(CallableCheck::class)]
98#[UsesClass(Access::class)]
99#[UsesClass(Builtins::class)]
100#[UsesClass(Dispatch::class)]
101#[UsesClass(Invocation::class)]
102#[UsesClass(Signatures::class)]
103#[UsesClass(Creation::class)]
104#[UsesClass(Resolution::class)]
105#[UsesClass(Target::class)]
106#[UsesClass(Completion::class)]
107#[UsesClass(Context::class)]
108#[UsesClass(Havoc::class)]
109#[UsesClass(Evaluator::class)]
110#[UsesClass(State::class)]
111#[UsesClass(Location::class)]
112#[UsesClass(Memory::class)]
113#[UsesClass(Library::class)]
114#[UsesClass(Extensions::class)]
115#[UsesClass(Evaluators::class)]
116#[UsesClass(StateRegistry::class)]
117#[UsesClass(DeriverConfig::class)]
118#[UsesClass(Sources::class)]
119#[UsesClass(Path::class)]
120#[UsesClass(Source::class)]
121#[UsesClass(TargetProfile::class)]
122#[UsesClass(Budget::class)]
123#[UsesClass(QueryScope::class)]
124#[UsesClass(ReturnQuery::class)]
125#[UsesClass(SourceRef::class)]
126#[UsesClass(Frontier::class)]
127#[UsesClass(Parser::class)]
128#[UsesClass(File::class)]
129#[UsesClass(Lowerer::class)]
130#[UsesClass(ExpressionLowering::class)]
131#[UsesClass(InstructionEmitter::class)]
132#[UsesClass(LoweringScope::class)]
133#[UsesClass(StatementLowering::class)]
134#[UsesClass(CallableSource::class)]
135#[UsesClass(Indexer::class)]
136#[UsesClass(Index::class)]
137#[UsesClass(Composition::class)]
138#[UsesClass(LineMap::class)]
139#[UsesClass(MagicContext::class)]
140#[UsesClass(AssignmentPatterns::class)]
141#[UsesClass(ClassScope::class)]
142#[UsesClass(TargetSyntax::class)]
143#[UsesClass(Term::class)]
144#[Small]
145final class TransferTest extends TestCase
146{
147    public function testApplyRetainsEarlyLookupErrorsAndLaterExternalCalls(): void
148    {
149        $source = '<?php function target(){return 1;}';
150        $budget = new Budget();
151        $configuration = new DeriverConfig();
152        $contributions = new Contributions();
153        $input = new Sources([new Source('fixture.php', $source)]);
154        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
155        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
156        $contributions1 = $providers->contributions;
157        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
158        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
159        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
160        $snapshotId = $identity->id;
161        $input1 = $providers->input;
162        $parser = new Parser(new ParserConfig($target->version));
163        $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));
164        $program1 = new Index($snapshotId, $trees);
165        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
166        $snapshotId1 = 'test';
167        $input2 = new Sources([new Source('fixture.php', $source)]);
168        $profile = $execution->configuration->target;
169        $parser1 = new Parser(new ParserConfig($profile->version));
170        $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));
171        $program = new Index($snapshotId1, $trees1);
172        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
173        $body = $context->program->callable('target');
174        self::assertNotNull($body);
175        $machine = new Evaluator($context);
176        $state = new State();
177        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
178        $state->registers['function'] = Term::constant('external');
179        $state->memory->write($state->local('stable'), Term::constant(1));
180        $call = new BoundInstruction('call', 'call-prepare', $body->source, 'prepared', ['function'], attributes: ['call-operation' => 'invoke']);
181        $paths = (new Transfer($machine))->apply($body, $call, $state);
182        self::assertCount(2, $paths);
183        self::assertSame(CompletionKind::Normal, $paths[0]->completion->kind);
184        self::assertSame('Error', $paths[1]->completion->value?->literal);
185        self::assertSame(1, $paths[0]->memory->read($paths[0]->local('stable'))->native());
186        self::assertSame([], $context->frontiers);
187    }
188    public function testApplyKeepsAutoloadEffectsAndExceptionsBeforeConstructorArguments(): void
189    {
190        $source = '<?php function target(){return 1;}';
191        $budget = new Budget();
192        $configuration = new DeriverConfig();
193        $contributions = new Contributions();
194        $input = new Sources([new Source('fixture.php', $source)]);
195        $target = new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision);
196        $providers = new ProviderExpansion($input, array_map(Term::fromNative(...), $configuration->environment), $contributions);
197        $contributions1 = $providers->contributions;
198        $evaluators = new Evaluators(new TargetProfile($configuration->phpVersion, $configuration->integerBits, $configuration->floatPrecision), new Registrations($contributions1->evaluators, $contributions1->providers, $contributions1->domains, $contributions1->intrinsics, $contributions1->stateSlots), $configuration->standardEvaluators);
199        $settings = new EvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators, array_map((new MicroEvaluatorConversion())->convert(...), $configuration->evaluators));
200        $identity = new SnapshotIdentity($providers->input, $settings, $evaluators, $providers->manifest);
201        $snapshotId = $identity->id;
202        $input1 = $providers->input;
203        $parser = new Parser(new ParserConfig($target->version));
204        $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));
205        $program1 = new Index($snapshotId, $trees);
206        $execution = new QueryExecution($program1, new ExecutionEvaluatorConfig($target, $providers->environment, $configuration->standardEvaluators), $evaluators, $identity->snapshot(array_map(Frontier::fromDiagnostic(...), $program1->diagnostics())));
207        $snapshotId1 = 'test';
208        $input2 = new Sources([new Source('fixture.php', $source)]);
209        $profile = $execution->configuration->target;
210        $parser1 = new Parser(new ParserConfig($profile->version));
211        $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));
212        $program = new Index($snapshotId1, $trees1);
213        $context = new Context($program, new ReturnQuery('target', budget: $budget), $execution->configuration, $execution->evaluators);
214        $body = $context->program->callable('target');
215        self::assertNotNull($body);
216        $machine = new Evaluator($context);
217        $state = new State();
218        $instruction = new BoundInstruction('arg', 'argument', $body->source, 'result', ['prepared', 'input']);
219        $state->registers['class'] = Term::constant('ExternalClass');
220        $global = new Location('global:value');
221        $state->memory->write($global, Term::constant(1));
222        $call = new BoundInstruction('call', 'call-prepare', $body->source, 'prepared', ['class'], attributes: ['call-operation' => 'new']);
223        $paths = (new Transfer($machine))->apply($body, $call, $state);
224        self::assertCount(2, $paths);
225        self::assertSame(TermKind::Opaque, $paths[0]->memory->read($global)->kind);
226        self::assertSame('Throwable', $paths[1]->completion->value?->literal);
227        self::assertSame(['INCOMPLETE_SOURCE'], array_column(array_values($context->frontiers), 'code'));
228    }
229}
230