Proxy SelectedNode::$value to its subnode

Author: vojtech-dobes

src/GrammarProcessing/Ebnf/Nodes/Factor.php

@@ -16,25 +16,25 @@ public function interpret(GrammarProcessing\Node $node): Generator
 
 		return match ($node->index) {
 			0 => new GrammarProcessing\Vocabulary\Repeat(
-				yield $node->value->value[0],
+				yield $node->value[0],
 				0,
 				1,
 			),
 			1 => new GrammarProcessing\Vocabulary\Repeat(
-				yield $node->value->value[0],
+				yield $node->value[0],
 				0,
 				null,
 			),
 			2 => new GrammarProcessing\Vocabulary\Repeat(
-				yield $node->value->value[0],
+				yield $node->value[0],
 				1,
 				null,
 			),
 			3 => new GrammarProcessing\Vocabulary\Subtract(
-				yield $node->value->value[0],
-				yield $node->value->value[4],
+				yield $node->value[0],
+				yield $node->value[4],
 			),
-			4 => yield $node->value->value[0],
+			4 => yield $node->value[0],
 			default => throw new LogicException("This can't happen"),
 		};
 	}

src/GrammarProcessing/Ebnf/Nodes/Term.php

@@ -15,14 +15,14 @@ public function interpret(GrammarProcessing\Node $node): Generator
 		/** @var GrammarProcessing\SelectedNode $node */
 
 		return match ($node->index) {
-			0 => yield $node->value->value[2],
+			0 => yield $node->value[2],
 			1 => new GrammarProcessing\Vocabulary\Repeat(
-				yield $node->value->value[2],
+				yield $node->value[2],
 				0,
 				1,
 			),
 			2 => new GrammarProcessing\Vocabulary\Repeat(
-				yield $node->value->value[2],
+				yield $node->value[2],
 				0,
 				null,
 			),

src/GrammarProcessing/SelectedNode.php

@@ -18,11 +18,21 @@ final class SelectedNode implements Node
 
 	}
 
+	public mixed $value {
+
+		get {
+			return $this->subnode instanceof ListNode
+				? $this->subnode->value
+				: $this->subnode;
+		}
+
+	}
+
 
 
 	public function __construct(
 		public readonly int $index,
-		public readonly Node $value,
+		public readonly Node $subnode,
 	) {}
 
 }