17319949156

Committed 29 Aug 2025 09:20AM UTC coverage: 94.696% (-0.05%) from 94.744%

Build # 17319949156

Build Type

push

github

Committed by

keradus

Commit Message

CS

Run Details

28333 of 29920 relevant lines covered (94.7%)

45.63 hits per line

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97.78

/src/Tokenizer/Analyzer/AlternativeSyntaxAnalyzer.php

<?php

declare(strict_types=1);

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace PhpCsFixer\Tokenizer\Analyzer;

use PhpCsFixer\Tokenizer\Tokens;

/**
 * @internal
 *
 * @TODO 4.0 remove this analyzer and move this logic into a transformer
 *
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise.
 */
final class AlternativeSyntaxAnalyzer
{
    private const ALTERNATIVE_SYNTAX_BLOCK_EDGES = [
        \T_IF => [\T_ENDIF, \T_ELSE, \T_ELSEIF],
        \T_ELSE => [\T_ENDIF],
        \T_ELSEIF => [\T_ENDIF, \T_ELSE, \T_ELSEIF],
        \T_FOR => [\T_ENDFOR],
        \T_FOREACH => [\T_ENDFOREACH],
        \T_WHILE => [\T_ENDWHILE],
        \T_SWITCH => [\T_ENDSWITCH],
    ];

    public function belongsToAlternativeSyntax(Tokens $tokens, int $index): bool
    {
        if (!$tokens[$index]->equals(':')) {
            return false;
        }

        $prevIndex = $tokens->getPrevMeaningfulToken($index);

        if ($tokens[$prevIndex]->isGivenKind(\T_ELSE)) {
            return true;
        }

        if (!$tokens[$prevIndex]->equals(')')) {
            return false;
        }

        $openParenthesisIndex = $tokens->findBlockStart(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $prevIndex);
        $beforeOpenParenthesisIndex = $tokens->getPrevMeaningfulToken($openParenthesisIndex);

        return $tokens[$beforeOpenParenthesisIndex]->isGivenKind([
            \T_DECLARE,
            \T_ELSEIF,
            \T_FOR,
            \T_FOREACH,
            \T_IF,
            \T_SWITCH,
            \T_WHILE,
        ]);
    }

    public function findAlternativeSyntaxBlockEnd(Tokens $tokens, int $index): int
    {
        if (!isset($tokens[$index])) {
            throw new \InvalidArgumentException("There is no token at index {$index}.");
        }

        if (!$this->isStartOfAlternativeSyntaxBlock($tokens, $index)) {
            throw new \InvalidArgumentException("Token at index {$index} is not the start of an alternative syntax block.");
        }

        $startTokenKind = $tokens[$index]->getId();

        if (!isset(self::ALTERNATIVE_SYNTAX_BLOCK_EDGES[$startTokenKind])) {
            throw new \LogicException(\sprintf('Unknown startTokenKind: %s', $tokens[$index]->toJson()));
        }

        $endTokenKinds = self::ALTERNATIVE_SYNTAX_BLOCK_EDGES[$startTokenKind];

        $findKinds = [[$startTokenKind]];
        foreach ($endTokenKinds as $endTokenKind) {
            $findKinds[] = [$endTokenKind];
        }

        while (true) {
            $index = $tokens->getNextTokenOfKind($index, $findKinds);

            if ($tokens[$index]->isGivenKind($endTokenKinds)) {
                return $index;
            }

            if ($this->isStartOfAlternativeSyntaxBlock($tokens, $index)) {
                $index = $this->findAlternativeSyntaxBlockEnd($tokens, $index);
            }
        }
    }

    private function isStartOfAlternativeSyntaxBlock(Tokens $tokens, int $index): bool
    {
        $map = self::ALTERNATIVE_SYNTAX_BLOCK_EDGES;
        $startTokenKind = $tokens[$index]->getId();

        if (null === $startTokenKind || !isset($map[$startTokenKind])) {
            return false;
        }

        $index = $tokens->getNextMeaningfulToken($index);

        if ($tokens[$index]->equals('(')) {
            $index = $tokens->getNextMeaningfulToken(
                $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index)
            );
        }

        return $tokens[$index]->equals(':');
    }
}

1	<?php
2
3	declare(strict_types=1);
4
5	/*
6	* This file is part of PHP CS Fixer.
7	*
8	* (c) Fabien Potencier <fabien@symfony.com>
9	* Dariusz Rumiński <dariusz.ruminski@gmail.com>
10	*
11	* This source file is subject to the MIT license that is bundled
12	* with this source code in the file LICENSE.
13	*/
14
15	namespace PhpCsFixer\Tokenizer\Analyzer;
16
17	use PhpCsFixer\Tokenizer\Tokens;
18
19	/**
20	* @internal
21	*
22	* @TODO 4.0 remove this analyzer and move this logic into a transformer
23	*
24	* @no-named-arguments Parameter names are not covered by the backward compatibility promise.
25	*/
26	final class AlternativeSyntaxAnalyzer
27	{
28	private const ALTERNATIVE_SYNTAX_BLOCK_EDGES = [
29	\T_IF => [\T_ENDIF, \T_ELSE, \T_ELSEIF],
30	\T_ELSE => [\T_ENDIF],
31	\T_ELSEIF => [\T_ENDIF, \T_ELSE, \T_ELSEIF],
32	\T_FOR => [\T_ENDFOR],
33	\T_FOREACH => [\T_ENDFOREACH],
34	\T_WHILE => [\T_ENDWHILE],
35	\T_SWITCH => [\T_ENDSWITCH],
36	];
37
38	public function belongsToAlternativeSyntax(Tokens $tokens, int $index): bool
39	{
40	if (!$tokens[$index]->equals(':')) {	7✔
41	return false;	7✔
42	}
43
44	$prevIndex = $tokens->getPrevMeaningfulToken($index);	7✔
45
46	if ($tokens[$prevIndex]->isGivenKind(\T_ELSE)) {	7✔
47	return true;	2✔
48	}
49
50	if (!$tokens[$prevIndex]->equals(')')) {	7✔
51	return false;	2✔
52	}
53
54	$openParenthesisIndex = $tokens->findBlockStart(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $prevIndex);	7✔
55	$beforeOpenParenthesisIndex = $tokens->getPrevMeaningfulToken($openParenthesisIndex);	7✔
56
57	return $tokens[$beforeOpenParenthesisIndex]->isGivenKind([	7✔
58	\T_DECLARE,	7✔
59	\T_ELSEIF,	7✔
60	\T_FOR,	7✔
61	\T_FOREACH,	7✔
62	\T_IF,	7✔
63	\T_SWITCH,	7✔
64	\T_WHILE,	7✔
65	]);	7✔
66	}
67
68	public function findAlternativeSyntaxBlockEnd(Tokens $tokens, int $index): int
69	{
70	if (!isset($tokens[$index])) {	41✔
71	throw new \InvalidArgumentException("There is no token at index {$index}.");	8✔
72	}
73
74	if (!$this->isStartOfAlternativeSyntaxBlock($tokens, $index)) {	33✔
75	throw new \InvalidArgumentException("Token at index {$index} is not the start of an alternative syntax block.");	16✔
76	}
77
78	$startTokenKind = $tokens[$index]->getId();	17✔
79
80	if (!isset(self::ALTERNATIVE_SYNTAX_BLOCK_EDGES[$startTokenKind])) {	17✔
81	throw new \LogicException(\sprintf('Unknown startTokenKind: %s', $tokens[$index]->toJson()));	×
82	}
83
84	$endTokenKinds = self::ALTERNATIVE_SYNTAX_BLOCK_EDGES[$startTokenKind];	17✔
85
86	$findKinds = [[$startTokenKind]];	17✔
87	foreach ($endTokenKinds as $endTokenKind) {	17✔
88	$findKinds[] = [$endTokenKind];	17✔
89	}
90
91	while (true) {	17✔
92	$index = $tokens->getNextTokenOfKind($index, $findKinds);	17✔
93
94	if ($tokens[$index]->isGivenKind($endTokenKinds)) {	17✔
95	return $index;	17✔
96	}
97
98	if ($this->isStartOfAlternativeSyntaxBlock($tokens, $index)) {	4✔
99	$index = $this->findAlternativeSyntaxBlockEnd($tokens, $index);	3✔
100	}
101	}
102	}
103
104	private function isStartOfAlternativeSyntaxBlock(Tokens $tokens, int $index): bool
105	{
106	$map = self::ALTERNATIVE_SYNTAX_BLOCK_EDGES;	33✔
107	$startTokenKind = $tokens[$index]->getId();	33✔
108
109	if (null === $startTokenKind \|\| !isset($map[$startTokenKind])) {	33✔
110	return false;	16✔
111	}
112
113	$index = $tokens->getNextMeaningfulToken($index);	17✔
114
115	if ($tokens[$index]->equals('(')) {	17✔
116	$index = $tokens->getNextMeaningfulToken(	14✔
117	$tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index)	14✔
118	);	14✔
119	}
120
121	return $tokens[$index]->equals(':');	17✔
122	}
123	}

keradus / PHP-CS-Fixer / 17319949156

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