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WIP: TASK: cache ModuleFileLoader::resolveTypeOfImport #13

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WIP: TASK: cache ModuleFileLoader::resolveTypeOfImport #13

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37 changes: 23 additions & 14 deletions src/Module/Loader/ModuleFile/ModuleFileLoader.php
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Original file line number Diff line number Diff line change
Expand Up @@ -38,26 +38,35 @@

final class ModuleFileLoader implements LoaderInterface
{
/** @var array<string, array<string, TypeInterface>> */
private array $cache = [];

public function resolveTypeOfImport(ImportNode $importNode): TypeInterface
{
$pathToImportFrom = $importNode->source->path->resolveRelationTo(
Path::fromString($importNode->path)
);
$source = Source::fromFile($pathToImportFrom->value);
$tokenizer = Tokenizer::fromSource($source);
$module = ModuleNode::fromTokens($tokenizer->getIterator());
$export = $module->exports->get($importNode->name->value);

if ($export === null) {
throw new \Exception(
'@TODO: Module "' . $importNode->path . '" has no exported member "' . $importNode->name->value . '".'
);

if (!isset($this->cache[$pathToImportFrom->value])) {
$source = Source::fromFile($pathToImportFrom->value);
$tokenizer = Tokenizer::fromSource($source);
$module = ModuleNode::fromTokens($tokenizer->getIterator());

foreach ($module->exports->items as $export) {
$this->cache[$pathToImportFrom->value][$importNode->name->value] = match ($export->declaration::class) {
ComponentDeclarationNode::class => ComponentType::fromComponentDeclarationNode($export->declaration),
EnumDeclarationNode::class => EnumType::fromEnumDeclarationNode($export->declaration),
StructDeclarationNode::class => StructType::fromStructDeclarationNode($export->declaration)
};
}
}

return match ($export->declaration::class) {
ComponentDeclarationNode::class => ComponentType::fromComponentDeclarationNode($export->declaration),
EnumDeclarationNode::class => EnumType::fromEnumDeclarationNode($export->declaration),
StructDeclarationNode::class => StructType::fromStructDeclarationNode($export->declaration)
};
if ($type = $this->cache[$pathToImportFrom->value][$importNode->name->value] ?? null) {
return $type;
}

throw new \Exception(
'@TODO: Module "' . $importNode->path . '" has no exported member "' . $importNode->name->value . '".'
);
}
}