Allow nodes to have custom attributes

Author: TomasVotruba

src/Ast/ConstExpr/ConstExprArrayItemNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprArrayItemNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var ConstExprNode|null */
 	public $key;
 

src/Ast/ConstExpr/ConstExprArrayNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprArrayNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var ConstExprArrayItemNode[] */
 	public $items;
 

src/Ast/ConstExpr/ConstExprFalseNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprFalseNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	public function __toString(): string
 	{
 		return 'false';

src/Ast/ConstExpr/ConstExprFloatNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprFloatNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $value;
 

src/Ast/ConstExpr/ConstExprIntegerNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprIntegerNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $value;
 

src/Ast/ConstExpr/ConstExprNullNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprNullNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	public function __toString(): string
 	{
 		return 'null';

src/Ast/ConstExpr/ConstExprStringNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprStringNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $value;
 

src/Ast/ConstExpr/ConstExprTrueNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprTrueNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	public function __toString(): string
 	{
 		return 'true';

src/Ast/ConstExpr/ConstFetchNode.php

@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstFetchNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var string class name for class constants or empty string for non-class constants */
 	public $className;
 

src/Ast/Node.php

@@ -7,4 +7,18 @@ interface Node
 
 	public function __toString(): string;
 
+	/**
+	 * @param string $key
+	 * @param mixed $value
+	 */
+	public function setAttribute(string $key, $value): void;
+
+	public function hasAttribute(string $key): bool;
+
+	/**
+	 * @param string $key
+	 * @return mixed
+	 */
+	public function getAttribute(string $key);
+
 }