<?php

namespace SuperClosure\Analyzer;

use SuperClosure\Exception\ClosureAnalysisException;

abstract class ClosureAnalyzer
{
    /**
     * Analyzer a given closure.
     *
     * @param \Closure $closure
     *
     * @throws ClosureAnalysisException
     *
     * @return array
     */
    public function analyze(\Closure $closure)
    {
        $data = [
            'reflection' => new \ReflectionFunction($closure),
            'code'       => null,
            'hasThis'    => false,
            'context'    => [],
            'hasRefs'    => false,
            'binding'    => null,
            'scope'      => null,
            'isStatic'   => $this->isClosureStatic($closure),
        ];

        $this->determineCode($data);
        $this->determineContext($data);
        $this->determineBinding($data);

        return $data;
    }

    abstract protected function determineCode(array &$data);

    /**
     * Returns the variables that are in the "use" clause of the closure.
     *
     * These variables are referred to as the "used variables", "static
     * variables", "closed upon variables", or "context" of the closure.
     *
     * @param array $data
     */
    abstract protected function determineContext(array &$data);

    private function determineBinding(array &$data)
    {
        $data['binding'] = $data['reflection']->getClosureThis();
        if ($scope = $data['reflection']->getClosureScopeClass()) {
            $data['scope'] = $scope->getName();
        }
    }

    private function isClosureStatic(\Closure $closure)
    {
        $closure = @$closure->bindTo(new \stdClass);

        if ($closure === null) {
            return true;
        }

        $rebound = new \ReflectionFunction($closure);

        return $rebound->getClosureThis() === null;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Mjg0OTE3ODU5OTcwMzk3MSAyNzcyOTY1MTM1NDkxMzE2IDE3MTgxNDUyODc1MzU5Nw==