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<?php
namespace App\Node;
use App\Exception\UnknownFunction;
use App\FunctionModel;
use App\Functions\FunctionInterface;
use App\Token;
use App\Visitor;
class FunctionCall implements Visitable
{
/**
* @var Token
*/
public $function;
* @var array<Visitable>
public $args;
* FunctionCall constructor.
* @param Token $function
* @param array<Visitable> $args
public function __construct(Token $function, array $args)
$this->function = $function;
$this->args = $args;
}
* @param Visitor $visitor
* @return mixed
* @psalm-suppress LessSpecificImplementedReturnType
* @throws UnknownFunction
* @throws \ReflectionException
public function accept(Visitor $visitor)
/** @var array<int|float> $args */
$args = [];
foreach ($this->args as $arg) {
$args[] = $visitor->visit($arg);
$invokableFunctionClass = FunctionModel::BUILT_IN_FUNCTIONS[$this->function->value] ?? null;
if ($invokableFunctionClass === null) {
throw new UnknownFunction('Function ' . $this->function->value . ' is unknown');
$rInvokableFunction = new \ReflectionClass($invokableFunctionClass);
/** @var FunctionInterface $invokable */
/** @psalm-suppress MixedArgumentTypeCoercion */
$invokable = $rInvokableFunction->newInstanceArgs($args);
return $invokable->__invoke();
drumser /
arithmetic-parser
