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40 lines
1.3 KiB
40 lines
1.3 KiB
<?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 MensBeam\Lit\Scope;
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class ParserException extends \Exception {
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const MESSAGE = '%s expected; found %s at offset %s'.\PHP_EOL;
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public function __construct(array|string|bool $expected, string|bool $found, int $offset) {
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if ($expected === false) {
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$expected = 'end of input';
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}
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if (!is_string($expected)) {
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$expectedLen = count($expected);
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if ($expectedLen === 1) {
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$expected = ($expected[0] !== false) ? $expected[0] : 'end of input';
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} else {
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$temp = [];
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for ($i = 0; $i < $expectedLen; $i++) {
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$temp[] = ($expected[$i] !== false) ? "{$expected[$i]}" : 'end of input';
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}
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$expected = $temp;
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if ($expectedLen > 2) {
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$last = array_pop($expected);
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$expected = implode(', ', $expected) . ', or ' . $last;
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} else {
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$expected = implode(' or ', $expected);
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}
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}
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}
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$found = ($found !== false) ? "\"$found\"" : 'end of input';
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parent::__construct(sprintf(self::MESSAGE, $expected, $found, $offset), 2112);
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}
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}
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