Add json serialization tests and replace SerializableInterface to JsonSerializable

Author: Kirill Nesmeyanov

src/Node/Identifier.php

@@ -114,13 +114,6 @@ public function __toString(): string
         return $this->value;
     }
 
-    public function toArray(): array
-    {
-        return [
-            'identifier' => $this->toString(),
-        ];
-    }
-
     /**
      * @return non-empty-string
      */

src/Node/Literal/BoolLiteralNode.php

@@ -41,10 +41,10 @@ public function getValue(): bool
         return $this->value;
     }
 
-    public function toArray(): array
+    public function jsonSerialize(): array
     {
         return [
-            ...parent::toArray(),
+            ...parent::jsonSerialize(),
             'kind' => LiteralKind::BOOL_KIND,
         ];
     }

src/Node/Literal/FloatLiteralNode.php

@@ -41,10 +41,10 @@ public function getValue(): float
         return $this->value;
     }
 
-    public function toArray(): array
+    public function jsonSerialize(): array
     {
         return [
-            ...parent::toArray(),
+            ...parent::jsonSerialize(),
             'kind' => LiteralKind::FLOAT_KIND,
         ];
     }

src/Node/Literal/IntLiteralNode.php

@@ -73,10 +73,10 @@ public function getValue(): int
         return $this->value;
     }
 
-    public function toArray(): array
+    public function jsonSerialize(): array
     {
         return [
-            ...parent::toArray(),
+            ...parent::jsonSerialize(),
             'kind' => LiteralKind::INT_KIND,
         ];
     }

src/Node/Literal/LiteralKind.php

@@ -4,18 +4,21 @@
 
 namespace TypeLang\Parser\Node\Literal;
 
-use TypeLang\Parser\Node\SerializableInterface;
-use TypeLang\Parser\Node\SerializableKind;
-
-enum LiteralKind: int implements SerializableInterface
+enum LiteralKind: int implements \JsonSerializable
 {
-    use SerializableKind;
-
     case UNKNOWN = 0;
     case BOOL_KIND = 1;
     case FLOAT_KIND = 2;
     case INT_KIND = 3;
     case NULL_KIND = 4;
     case STRING_KIND = 5;
     case VARIABLE_KIND = 6;
+
+    /**
+     * @return int<0, max>
+     */
+    public function jsonSerialize(): int
+    {
+        return $this->value;
+    }
 }

src/Node/Literal/LiteralNode.php

@@ -35,7 +35,7 @@ public function __toString(): string
         return $this->raw;
     }
 
-    public function toArray(): array
+    public function jsonSerialize(): array
     {
         return [
             'kind' => LiteralKind::UNKNOWN,

src/Node/Literal/NullLiteralNode.php

@@ -24,10 +24,10 @@ public function getValue(): mixed
         return null;
     }
 
-    public function toArray(): array
+    public function jsonSerialize(): array
     {
         return [
-            ...parent::toArray(),
+            ...parent::jsonSerialize(),
             'kind' => LiteralKind::NULL_KIND,
         ];
     }

src/Node/Literal/StringLiteralNode.php

@@ -199,10 +199,10 @@ public function getValue(): string
         return $this->value;
     }
 
-    public function toArray(): array
+    public function jsonSerialize(): array
     {
         return [
-            ...parent::toArray(),
+            ...parent::jsonSerialize(),
             'kind' => LiteralKind::STRING_KIND,
         ];
     }

src/Node/Literal/VariableLiteralNode.php

@@ -62,10 +62,10 @@ public function getValue(): string
         return $this->value;
     }
 
-    public function toArray(): array
+    public function jsonSerialize(): array
     {
         return [
-            ...parent::toArray(),
+            ...parent::jsonSerialize(),
             'kind' => LiteralKind::VARIABLE_KIND,
         ];
     }

src/Node/Name.php

@@ -282,13 +282,6 @@ public function __toString(): string
         return $this->toString();
     }
 
-    public function toArray(): array
-    {
-        return [
-            'name' => $this->toString()
-        ];
-    }
-
     /**
      * @return non-empty-string
      */