File Protocol/Planning/Expression/FilterExpressionVisitor.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	namespace LaravelUi5\OData\Protocol\Planning\Expression;
6:
7:	/**
8:	* Visitor interface for FilterExpression trees.
9:	*
10:	* Methods receive the raw node. The visitor is responsible for recursing into
11:	* children — this gives full control over traversal order, short-circuiting,
12:	* and context threading (e.g. lambda variable scope injection).
13:	*
14:	* Drivers implement this interface to translate a FilterExpression tree into
15:	* a storage-layer query (Eloquent WHERE clause, SQL fragment, etc.).
16:	*/
17:	interface FilterExpressionVisitor
18:	{
19:	public function visitLiteral(LiteralExpression $node): mixed;
20:	public function visitNullLiteral(NullLiteralExpression $node): mixed;
21:	public function visitPropertyPath(PropertyPathExpression $node): mixed;
22:	public function visitBinary(BinaryExpression $node): mixed;
23:	public function visitUnary(UnaryExpression $node): mixed;
24:	public function visitFunctionCall(FunctionCallExpression $node): mixed;
25:	public function visitLambda(LambdaExpression $node): mixed;
26:	public function visitLambdaVariable(LambdaVariableExpression $node): mixed;
27:	}
28: