Assign::evaluate()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 12
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 7
nc 1
nop 1
dl 0
loc 12
rs 9.4285
c 0
b 0
f 0
1
<?php
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namespace PeacefulBit\Slate\Parser\Nodes;
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use PeacefulBit\Slate\Core\Evaluator;
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use PeacefulBit\Slate\Core\Frame;
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class Assign extends Node
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{
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    /**
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     * @var array
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     */
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    private $assigns;
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    /**
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     * @param array $assigns
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     */
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    public function __construct(array $assigns)
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    {
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        $this->assigns = $assigns;
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    }
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    /**
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     * @return array
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     */
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    public function getAssigns(): array
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    {
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        return $this->assigns;
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    }
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    /**
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     * @return string
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     */
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    public function __toString()
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    {
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        $prefix = '(def ';
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        $suffix = ')';
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        $groups = array_map(function ($assign) {
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            return implode(' ', array_map('strval', $assign));
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        }, $this->getAssigns());
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        return $prefix . implode(' ', $groups) . $suffix;
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    }
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    /**
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     * @param Frame $frame
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     * @return null
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     */
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    public function evaluate(Frame $frame)
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    {
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        $pairs = $this->getAssigns();
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        array_walk($pairs, function ($pair) use ($frame) {
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            $value = $frame->evaluate($pair[1]);
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            $key = $pair[0]->getName();
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            $frame->set($key, $value);
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        });
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        return null;
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    }
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}
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