class Function_

class Function_ extends FunctionLike {
    protected string $name;
    
    /** @var list<Stmt> */
    protected array $stmts = [];
    
    /** @var list<Node\AttributeGroup> */
    protected array $attributeGroups = [];
    
    /**
     * Creates a function builder.
     *
     * @param string $name Name of the function
     */
    public function __construct(string $name) {
        $this->name = $name;
    }
    
    /**
     * Adds a statement.
     *
     * @param Node|PhpParser\Builder $stmt The statement to add
     *
     * @return $this The builder instance (for fluid interface)
     */
    public function addStmt($stmt) {
        $this->stmts[] = BuilderHelpers::normalizeStmt($stmt);
        return $this;
    }
    
    /**
     * Adds an attribute group.
     *
     * @param Node\Attribute|Node\AttributeGroup $attribute
     *
     * @return $this The builder instance (for fluid interface)
     */
    public function addAttribute($attribute) {
        $this->attributeGroups[] = BuilderHelpers::normalizeAttribute($attribute);
        return $this;
    }
    
    /**
     * Returns the built function node.
     *
     * @return Stmt\Function_ The built function node
     */
    public function getNode() : Node {
        return new Stmt\Function_($this->name, [
            'byRef' => $this->returnByRef,
            'params' => $this->params,
            'returnType' => $this->returnType,
            'stmts' => $this->stmts,
            'attrGroups' => $this->attributeGroups,
        ], $this->attributes);
    }

}