ConstStmtReplacer::enterNode() - Code Metrics - Inspection of "WIP: Replace PHP-Scoper name resolver by the PHP-P..." - humbug/php-scoper - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#400)

by Théo

created 2021-06-05 15:22 UTC

ConstStmtReplacer::enterNode() B

↳ Parent: ConstStmtReplacer

Complexity

Conditions	6
Paths	8

Size

Total Lines	55
Code Lines	31

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	18
CRAP Score	6

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	6
eloc	31
c	1
b	0
f	0
nc	8
nop	1
dl	0
loc	55
ccs	18
cts	18
cp	1
crap	6
rs	8.8017

How to fix Long Method

<?php

declare(strict_types=1);

/*
 * This file is part of the humbug/php-scoper package.
 *
 * Copyright (c) 2017 Théo FIDRY <[email protected]>,
 *                    Pádraic Brady <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Humbug\PhpScoper\PhpParser\NodeVisitor;

use PhpParser\NodeVisitor\NameResolver;
use Humbug\PhpScoper\PhpParser\NodeVisitor\Resolver\FullyQualifiedNameResolver;
use Humbug\PhpScoper\Whitelist;
use PhpParser\Node;
use PhpParser\Node\Arg;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Name;
use PhpParser\Node\Name\FullyQualified;
use PhpParser\Node\Scalar\String_;
use PhpParser\Node\Stmt\Const_;
use PhpParser\Node\Stmt\Expression;
use PhpParser\NodeVisitorAbstract;
use UnexpectedValueException;
use function count;

/**
 * Replaces const declaration by define when the constant is whitelisted.
 *
 * ```
 * const DUMMY_CONST = 'foo';
 * ```
 *
 * =>
 *
 * ```
 * define('DUMMY_CONST', 'foo');
 * ```
 *
 * It does not do the prefixing.
 *
 * @private
 */
final class ConstStmtReplacer extends NodeVisitorAbstract
{
    private Whitelist $whitelist;
    private FullyQualifiedNameResolver $nameResolver;
    private NameResolver $newNameResolver;

    public function __construct(
        Whitelist $whitelist,
        FullyQualifiedNameResolver $nameResolver,
        NameResolver $newNameResolver
    ) {
        $this->whitelist = $whitelist;
        $this->nameResolver = $nameResolver;
        $this->newNameResolver = $newNameResolver;
    }

    /**
     * @param Const_ $node
     */
    public function enterNode(Node $node): Node
    {
        if (!$node instanceof Const_) {
            return $node;
        }

        foreach ($node->consts as $constant) {
            /** @var Node\Const_ $constant */
            $resolvedConstantName = $this->newNameResolver->getNameContext()->getResolvedName(
                new Name(
                    (string) $constant->name,
                    $node->getAttributes()
                ),
                Node\Stmt\Use_::TYPE_CONSTANT
            );
            $oldResolvedConstantName = $this->nameResolver
                ->resolveName(
                    new Name(
                        (string) $constant->name,
                        $node->getAttributes(),
                    ),
                )
                ->getName();

            if ((string) $oldResolvedConstantName !== (string) $resolvedConstantName) {
                xdebug_break();
                $x = '';

            }

            if (false === $this->whitelist->isSymbolWhitelisted((string) $resolvedConstantName, true)) {
                continue;
            }

            if (count($node->consts) > 1) {
                throw new UnexpectedValueException(
                    'Whitelisting a constant declared in a grouped constant statement (e.g. `const FOO = '
                    .'\'foo\', BAR = \'bar\'; is not supported. Consider breaking it down in multiple constant '
                    .'declaration statements'
                );
            }

            return new Expression(
                new FuncCall(
                    new FullyQualified('define'),
                    [
                        new Arg(
                            new String_((string) $resolvedConstantName)
                        ),
                        new Arg($constant->value),
                    ]
                )
            );
        }

        return $node;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		/*
6		* This file is part of the humbug/php-scoper package.
7		*
8		* Copyright (c) 2017 Théo FIDRY <[email protected]>,
9		* Pádraic Brady <[email protected]>
10		*
11		* For the full copyright and license information, please view the LICENSE
12		* file that was distributed with this source code.
13		*/
14
15		namespace Humbug\PhpScoper\PhpParser\NodeVisitor;
16
17		use PhpParser\NodeVisitor\NameResolver;
18		use Humbug\PhpScoper\PhpParser\NodeVisitor\Resolver\FullyQualifiedNameResolver;
19		use Humbug\PhpScoper\Whitelist;
20		use PhpParser\Node;
21		use PhpParser\Node\Arg;
22		use PhpParser\Node\Expr\FuncCall;
23		use PhpParser\Node\Name;
24		use PhpParser\Node\Name\FullyQualified;
25		use PhpParser\Node\Scalar\String_;
26		use PhpParser\Node\Stmt\Const_;
27		use PhpParser\Node\Stmt\Expression;
28		use PhpParser\NodeVisitorAbstract;
29		use UnexpectedValueException;
30		use function count;
31
32		/**
33		* Replaces const declaration by define when the constant is whitelisted.
34		*
35		* ```
36		* const DUMMY_CONST = 'foo';
37		* ```
38		*
39		* =>
40		*
41		* ```
42		* define('DUMMY_CONST', 'foo');
43		* ```
44		*
45		* It does not do the prefixing.
46		*
47		* @private
48		*/
49		final class ConstStmtReplacer extends NodeVisitorAbstract
50		{
51		private Whitelist $whitelist;
52		private FullyQualifiedNameResolver $nameResolver;
53	549	private NameResolver $newNameResolver;
54
55	549	public function __construct(
56	549	Whitelist $whitelist,
57		FullyQualifiedNameResolver $nameResolver,
58		NameResolver $newNameResolver
59		) {
60		$this->whitelist = $whitelist;
61		$this->nameResolver = $nameResolver;
62		$this->newNameResolver = $newNameResolver;
63		}
64	548
65		/**
66	548	* @param Const_ $node
67	548	*/
68		public function enterNode(Node $node): Node
69		{
70	28	if (!$node instanceof Const_) {
71		return $node;
72	28	}
73	28
74	28	foreach ($node->consts as $constant) {
75	28	/** @var Node\Const_ $constant */
76		$resolvedConstantName = $this->newNameResolver->getNameContext()->getResolvedName(
77	28	new Name(
78		(string) $constant->name,
79	28	$node->getAttributes()
80	23	),
81		Node\Stmt\Use_::TYPE_CONSTANT
82		);
83	7	$oldResolvedConstantName = $this->nameResolver
84	1	->resolveName(
85		new Name(
86		(string) $constant->name,
87	1	$node->getAttributes(),
88		),
89		)
90		->getName();
91	6
92	6	if ((string) $oldResolvedConstantName !== (string) $resolvedConstantName) {
93	6	xdebug_break();
94		$x = '';
		0 ignored issues – show Unused Code introduced 2021-06-05 14:48 UTC by Report Bug Copy Issue Report The assignment to `$x` is dead and can be removed. Loading history...
95	6	}
96	6
97		if (false === $this->whitelist->isSymbolWhitelisted((string) $resolvedConstantName, true)) {
98	6	continue;
99		}
100
101		if (count($node->consts) > 1) {
102		throw new UnexpectedValueException(
103		'Whitelisting a constant declared in a grouped constant statement (e.g. `const FOO = '
104	23	.'\'foo\', BAR = \'bar\'; is not supported. Consider breaking it down in multiple constant '
105		.'declaration statements'
106		);
107		}
108
109		return new Expression(
110		new FuncCall(
111		new FullyQualified('define'),
112		[
113		new Arg(
114		new String_((string) $resolvedConstantName)
115		),
116		new Arg($constant->value),
117		]
118		)
119		);
120		}
121
122		return $node;
123		}
124		}
125

humbug / php-scoper

Pull Request — master (#400)

ConstStmtReplacer::enterNode() B

Complexity

Size

Duplication

Code Coverage

Importance

How to fix Long Method

Long Method

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