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43 lines
918 B
43 lines
918 B
<?php
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/** @license MIT
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* Copyright 2021 Dustin Wilson et al.
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* See LICENSE file for details */
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declare(strict_types=1);
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namespace dW\Lit\Scope;
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class Scope extends Node {
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protected bool $_anchorToPrevious;
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protected array $atoms = [];
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protected bool $frozen = false;
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public function __construct(Path $parent, bool $anchorToPrevious = false) {
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$this->_anchorToPrevious = $anchorToPrevious;
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$this->_parent = \WeakReference::create($parent);
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}
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public function add(string ...$atoms): bool {
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if ($this->frozen) {
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return false;
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}
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$this->atoms = $atoms;
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$this->frozen = true;
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return true;
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}
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public function __toString(): string {
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$result = '';
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if ($this->_anchorToPrevious) {
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$result .= '< ';
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}
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$result .= implode('.', $this->_atoms);
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return $result;
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}
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}
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