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<?php /* * This file is part of Psy Shell. * * (c) 2012-2026 Justin Hileman * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Psy\Completion; use PhpParser\Node as AstNode; use Psy\CodeCleaner; use Psy\Completion\Refiner\AnalysisRefinerInterface; use Psy\Completion\Refiner\CommandSyntaxRefiner; use Psy\Completion\Refiner\PartialInputRefiner; use Psy\Completion\Source\CatalogSource; use Psy\Completion\Source\ClassConstantSource; use Psy\Completion\Source\KeywordSource; use Psy\Completion\Source\MagicMethodSource; use Psy\Completion\Source\MagicPropertySource; use Psy\Completion\Source\MethodSource; use Psy\Completion\Source\NamespaceSource; use Psy\Completion\Source\ObjectMethodSource; use Psy\Completion\Source\ObjectPropertySource; use Psy\Completion\Source\PropertySource; use Psy\Completion\Source\SourceInterface; use Psy\Completion\Source\StaticMethodSource; use Psy\Completion\Source\StaticPropertySource; use Psy\Completion\Source\VariableSource; use Psy\Context; use Psy\Readline\Interactive\Helper\DebugLog; /* * Completion pipeline coordinator. * * Each stage focuses on one job: parse the input, refine the context, then * collect candidates from applicable sources. / class CompletionEngine { private Context $context; private ContextAnalyzer $analyzer; private TypeResolver $typeResolver; private SymbolCatalog $symbolCatalog; /* @var SourceInterface[] / private array $sources = []; /* @var AnalysisRefinerInterface[] / private array $refiners = []; public function __construct(Context $context, ?CodeCleaner $cleaner = null, ?SymbolCatalog $symbolCatalog = null) { $this->context = $context; $this->analyzer = new ContextAnalyzer($cleaner); $this->typeResolver = new TypeResolver($context, $cleaner); $this->symbolCatalog = $symbolCatalog ?? new SymbolCatalog(); $this->addRefiner(new PartialInputRefiner()); $this->addRefiner(new CommandSyntaxRefiner()); } /* * Register the standard PsySH completion source set. * * @param SourceInterface[] $additionalSources Pre-initialized sources to include / public function registerDefaultSources(array $additionalSources = []): void { // Context-aware sources. $this->addSource(new VariableSource($this->context)); $this->addSource(new ObjectMethodSource()); $this->addSource(new ObjectPropertySource()); // Static reflection sources. $this->addSource(new MethodSource()); $this->addSource(new PropertySource()); $this->addSource(new StaticMethodSource()); $this->addSource(new StaticPropertySource()); $this->addSource(new ClassConstantSource()); // Docblock magic sources. $this->addSource(new MagicMethodSource()); $this->addSource(new MagicPropertySource()); // Symbol sources (shared symbol catalog snapshot cache). $this->addSource(new CatalogSource(CompletionKind::CLASS_NAME, [$this->symbolCatalog, 'getClasses'], $this->symbolCatalog)); $this->addSource(new CatalogSource(CompletionKind::INTERFACE_NAME, [$this->symbolCatalog, 'getInterfaces'], $this->symbolCatalog)); $this->addSource(new CatalogSource(CompletionKind::TRAIT_NAME, [$this->symbolCatalog, 'getTraits'], $this->symbolCatalog)); $this->addSource(new CatalogSource(CompletionKind::ATTRIBUTE_NAME, [$this->symbolCatalog, 'getAttributeClasses'], $this->symbolCatalog)); $this->addSource(new CatalogSource(CompletionKind::FUNCTION_NAME, [$this->symbolCatalog, 'getFunctions'], $this->symbolCatalog)); $this->addSource(new CatalogSource(CompletionKind::CONSTANT, [$this->symbolCatalog, 'getConstants'], $this->symbolCatalog)); $this->addSource(new NamespaceSource($this->symbolCatalog)); // Additional pre-initialized sources. foreach ($additionalSources as $source) { $this->addSource($source); } // Generic sources. $this->addSource(new KeywordSource()); } /* * Add a completion source. / public function addSource(SourceInterface $source): void { if (!\in_array($source, $this->sources, true)) { $this->sources[] = $source; } } /* * Add an analysis refiner. * * Refiners translate broad parser output into the narrower completion lanes * that sources consume. / public function addRefiner(AnalysisRefinerInterface $refiner): void { if (!\in_array($refiner, $this->refiners, true)) { $this->refiners[] = $refiner; } } /* * Get completions for a normalized request. * * @return string[] / public function getCompletions(CompletionRequest $request): array { $start = \microtime(true); DebugLog::log('Completion', 'START', [ 'mode' => $request->getMode(), 'input' => $request->getBuffer(), 'cursor' => $request->getCursor(), ]); $analysis = $this->analyzer->analyze( $request->getBuffer(), $request->getCursor(), $request->getReadlineInfo() ); foreach ($this->refiners as $refiner) { $analysis = $refiner->refine($analysis); } DebugLog::log('Completion', 'ANALYZED', [ 'kinds' => $analysis->kinds, 'prefix' => $analysis->prefix, 'leftSide' => $analysis->leftSide ?? 'null', ]); $leftSide = $analysis->leftSide; if ($leftSide !== null) { $leftSideNode = $analysis->leftSideNode; $analysis->leftSideTypes = $leftSideNode instanceof AstNode ? $this->typeResolver->resolveNodeTypes($leftSideNode, $leftSide) : $this->typeResolver->resolveTypes($leftSide); $analysis->leftSideValue = $this->typeResolver->resolveValue($leftSide); DebugLog::log('Completion', 'RESOLVED_TYPES', [ 'types' => empty($analysis->leftSideTypes) ? 'none' : \implode('\|', $analysis->leftSideTypes), 'has_value' => $analysis->leftSideValue !== null, ]); } $results = $this->collectFromSources($analysis); $results = \array_values(\array_unique(\array_filter($results, fn ($match) => $match !== '' && $match !== null))); if ($analysis->prefix !== '' && !empty($results)) { $before = \count($results); $results = FuzzyMatcher::filter($analysis->prefix, $results); DebugLog::log('Completion', 'FUZZY_FILTER', [ 'before' => $before, 'after' => \count($results), ]); } $latencyMs = (\microtime(true) - $start) 1000; DebugLog::log('Completion', 'METRICS', [ 'latency_ms' => \round($latencyMs, 2), 'results' => \count($results), ]); return $results; } /** * Collect completions from all applicable sources. * * @return string[] */ private function collectFromSources(AnalysisResult $analysis): array { $completions = []; foreach ($this->sources as $source) { if (!$source->appliesToKind($analysis->kinds)) { continue; } $sourceCompletions = $source->getCompletions($analysis); if (!empty($sourceCompletions)) { DebugLog::log('Completion', 'SOURCE_MATCHED', [ 'source' => \get_class($source), 'count' => \count($sourceCompletions), ]); $completions = \array_merge($completions, $sourceCompletions); } } return $completions; } }

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