for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
namespace PeacefulBit\Slate\Core;
use PeacefulBit\Slate\Exceptions\EvaluatorException;
use PeacefulBit\Slate\Parser\Parser;
use PeacefulBit\Slate\Parser\Tokenizer;
class Evaluator
{
/**
* @var array
*/
private $modules;
* @param array $modules
public function __construct(array $modules = [])
$this->modules = $modules;
}
* Initialize and return root frame.
* @return Frame
private function getRootFrame()
$frame = new Frame($this);
$frame->importModule('@');
return $frame;
* @param string $code
* @return mixed
public function evaluate(string $code)
$tokenizer = new Tokenizer();
$tokens = $tokenizer->tokenize($code);
$parser = new Parser();
$ast = $parser->parse($tokens);
$frame = $this->getRootFrame();
return $frame->valueOf($ast);
public function __invoke(string $code)
return $this->evaluate($code);
* @param $name
* @throws EvaluatorException
public function getModule($name)
if (!array_key_exists($name, $this->modules)) {
throw new EvaluatorException("Module \"$name\" does not exist");
return $this->modules[$name];
peacefulbit /
packet-lite
