FunctionSignature::closure() - Code Metrics - TimeToogo/Pinq - Measure and Improve Code Quality continuously with Scrutinizer

FunctionSignature::closure() A
last analyzed 2017-09-06 06:30 UTC

↳ Parent: FunctionSignature

Complexity

Conditions	1
Paths	1

Size

Total Lines	15
Code Lines	13

Duplication

Lines	15
Ratio	100 %

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	15
loc	15
rs	9.4285
cc	1
eloc	13
nc	1
nop	3

<?php

namespace Pinq\Parsing;

use Pinq\Expressions as O;

/**
 * Implementation of the function signature interface.
 *
 * @author Elliot Levin <[email protected]>
 */
class FunctionSignature extends MagicResolvable implements IFunctionSignature
{
    /**
     * @var int
     */
    protected $type;

    /**
     * @var boolean
     */
    protected $returnsReference;

    /**
     * @var int|null
     */
    protected $accessModifier;

    /**
     * @var int|null
     */
    protected $polymorphModifier;

    /**
     * @var bool|null
     */
    protected $isStatic;

    /**
     * @var string
     */
    protected $name;

    /**
     * @var O\ParameterExpression[]
     */
    protected $parameterExpressions;

    /**
     * @var string[]|null
     */
    protected $scopedVariableNames;

    /**
     * @var string
     */
    protected $hash;

    protected function __construct(
            $type,
            $returnsReference,
            $accessModifier,
            $polymorphModifier,
            $isStatic,
            $name,
            array $parameterExpressions,
            array $scopedVariableNames = null
    ) {
        parent::__construct($parameterExpressions);

        $this->type                 = $type;
        $this->returnsReference     = $returnsReference;
        $this->accessModifier       = $accessModifier;
        $this->polymorphModifier    = $polymorphModifier;
        $this->isStatic             = $isStatic;
        $this->parameterExpressions = $parameterExpressions;
        $this->name                 = $name;
        $this->scopedVariableNames  = $scopedVariableNames;

        $this->hash = implode(
                '-',
                [
                        $type,
                        $returnsReference,
                        $accessModifier,
                        $polymorphModifier,
                        $isStatic,
                        $name,
                        O\Expression::hashAll($parameterExpressions),
                        $scopedVariableNames !== null ? implode('|', $scopedVariableNames) : '',
                ]
        );
    }

    protected function withResolvedMagic(array $resolvedExpressions)
    {
        return new self(
                $this->type,
                $this->returnsReference,
                $this->accessModifier,
                $this->polymorphModifier,
                $this->isStatic,
                $this->name,
                O\Expression::simplifyAll($resolvedExpressions),
                $this->scopedVariableNames);
    }

    /**
     * Creates a function signature instance from the supplied reflection.
     *
     * @param \ReflectionFunctionAbstract $reflection
     *
     * @return self
     */
    public static function fromReflection(\ReflectionFunctionAbstract $reflection)
    {
        $returnsReference     = $reflection->returnsReference();
        $name                 = $reflection->getShortName();
        $parameterExpressions = self::getParameterExpressionsFromReflection($reflection);

        if ($reflection->isClosure()) {
            return self::closure(
                    $returnsReference,
                    $parameterExpressions,
                    array_keys($reflection->getStaticVariables())
            );
        } elseif ($reflection instanceof \ReflectionMethod) {
            if ($reflection->isPublic()) {
                $accessModifier = self::ACCESS_PUBLIC;
            } elseif ($reflection->isProtected()) {
                $accessModifier = self::ACCESS_PROTECTED;
            } else {
                $accessModifier = self::ACCESS_PRIVATE;
            }

            if ($reflection->isAbstract()) {
                $polymorphModifier = self::POLYMORPH_ABSTRACT;
            } elseif ($reflection->isFinal()) {
                $polymorphModifier = self::POLYMORPH_FINAL;
            } else {
                $polymorphModifier = null;
            }

            return self::method(
                    $returnsReference,
                    $accessModifier,
                    $polymorphModifier,
                    $reflection->isStatic(),
                    $name,
                    $parameterExpressions
            );
        } else {
            return self::func(
                    $returnsReference,
                    $name,
                    $parameterExpressions
            );
        }
    }

    /**
     * Creates a function signature with the supplied parameters.
     *
     * @param boolean                 $returnsReference
     * @param string                  $name
     * @param O\ParameterExpression[] $parameterExpressions
     *
     * @return self
     */
    public static function func(
            $returnsReference,
            $name,
            array $parameterExpressions
    ) {
        return new self(
                self::TYPE_FUNCTION,
                $returnsReference,
                null,
                null,
                null,
                $name,
                $parameterExpressions,
                null);
    }

    /**
     * Creates a closure signature with the supplied parameters.
     *
     * @param boolean                 $returnsReference
     * @param O\ParameterExpression[] $parameterExpressions
     * @param string[]                $scopedVariableNames
     *
     * @return self
     */
    public static function closure(
            $returnsReference,
            array $parameterExpressions,
            array $scopedVariableNames
    ) {
        return new self(
                self::TYPE_CLOSURE,
                $returnsReference,
                null,
                null,
                null,
                null,
                $parameterExpressions,
                $scopedVariableNames);
    }

    /**
     * Creates a method signature with the supplied parameters.
     *
     * @param boolean                 $returnsReference
     * @param int|null                $accessModifier
     * @param int|null                $polymorphModifier
     * @param boolean                 $isStatic
     * @param string                  $name
     * @param O\ParameterExpression[] $parameterExpressions
     *
     * @return self
     */
    public static function method(
            $returnsReference,
            $accessModifier,
            $polymorphModifier,
            $isStatic,
            $name,
            array $parameterExpressions
    ) {
        return new self(
                self::TYPE_METHOD,
                $returnsReference,
                $accessModifier,
                $polymorphModifier,
                $isStatic,
                $name,
                $parameterExpressions,
                null);
    }

    protected static function getParameterExpressionsFromReflection(\ReflectionFunctionAbstract $reflection)
    {
        $parameterExpressions = [];

        foreach ($reflection->getParameters() as $parameter) {
            $parameterExpressions[] = self::getParameterExpression($parameter);
        }

        return $parameterExpressions;
    }

    private static function getParameterExpression(\ReflectionParameter $parameter)
    {
        $typeHint = null;

        if ($parameter->isArray()) {
            $typeHint = 'array';
        } elseif ($parameter->isCallable()) {
            $typeHint = 'callable';
        } elseif ($parameter->getClass() !== null) {
            $typeHint = $parameter->getClass()->getName();

            $typeHint = $typeHint[0] === '\\' ? $typeHint : '\\' . $typeHint;
        }

        return O\Expression::parameter(
                $parameter->getName(),

                $typeHint,
                $parameter->isDefaultValueAvailable() ? O\Expression::value($parameter->getDefaultValue()) : null,
                $parameter->isPassedByReference(),
                method_exists($parameter, 'isVariadic') && $parameter->isVariadic()
        );
    }

    public function getType()
    {
        return $this->type;
    }

    public function returnsReference()
    {
        return $this->returnsReference;
    }

    public function getAccessModifier()
    {
        return $this->accessModifier;
    }

    public function getPolymorphModifier()
    {
        return $this->polymorphModifier;
    }

    public function isStatic()
    {
        return $this->isStatic;
    }

    public function getName()
    {
        return $this->name;
    }

    public function getParameterExpressions()
    {
        return $this->parameterExpressions;
    }

    public function getScopedVariableNames()
    {
        return $this->scopedVariableNames;
    }

    public function getHash()
    {
        return $this->hash;
    }
}


1		<?php
2
3		namespace Pinq\Parsing;
4
5		use Pinq\Expressions as O;
6
7		/**
8		* Implementation of the function signature interface.
9		*
10		* @author Elliot Levin <[email protected]>
11		*/
12		class FunctionSignature extends MagicResolvable implements IFunctionSignature
13		{
14		/**
15		* @var int
16		*/
17		protected $type;
18
19		/**
20		* @var boolean
21		*/
22		protected $returnsReference;
23
24		/**
25		* @var int\|null
26		*/
27		protected $accessModifier;
28
29		/**
30		* @var int\|null
31		*/
32		protected $polymorphModifier;
33
34		/**
35		* @var bool\|null
36		*/
37		protected $isStatic;
38
39		/**
40		* @var string
41		*/
42		protected $name;
43
44		/**
45		* @var O\ParameterExpression[]
46		*/
47		protected $parameterExpressions;
48
49		/**
50		* @var string[]\|null
51		*/
52		protected $scopedVariableNames;
53
54		/**
55		* @var string
56		*/
57		protected $hash;
58
59		protected function __construct(
60		$type,
61		$returnsReference,
62		$accessModifier,
63		$polymorphModifier,
64		$isStatic,
65		$name,
66		array $parameterExpressions,
67		array $scopedVariableNames = null
68		) {
69		parent::__construct($parameterExpressions);
70
71		$this->type = $type;
72		$this->returnsReference = $returnsReference;
73		$this->accessModifier = $accessModifier;
74		$this->polymorphModifier = $polymorphModifier;
75		$this->isStatic = $isStatic;
76		$this->parameterExpressions = $parameterExpressions;
77		$this->name = $name;
78		$this->scopedVariableNames = $scopedVariableNames;
79
80		$this->hash = implode(
81		'-',
82		[
83		$type,
84		$returnsReference,
85		$accessModifier,
86		$polymorphModifier,
87		$isStatic,
88		$name,
89		O\Expression::hashAll($parameterExpressions),
90		$scopedVariableNames !== null ? implode('\|', $scopedVariableNames) : '',
91		]
92		);
93		}
94
95		protected function withResolvedMagic(array $resolvedExpressions)
96		{
97		return new self(
98		$this->type,
99		$this->returnsReference,
100		$this->accessModifier,
101		$this->polymorphModifier,
102		$this->isStatic,
103		$this->name,
104		O\Expression::simplifyAll($resolvedExpressions),
105		$this->scopedVariableNames);
106		}
107
108		/**
109		* Creates a function signature instance from the supplied reflection.
110		*
111		* @param \ReflectionFunctionAbstract $reflection
112		*
113		* @return self
114		*/
115		public static function fromReflection(\ReflectionFunctionAbstract $reflection)
116		{
117		$returnsReference = $reflection->returnsReference();
118		$name = $reflection->getShortName();
119		$parameterExpressions = self::getParameterExpressionsFromReflection($reflection);
120
121		if ($reflection->isClosure()) {
122		return self::closure(
123		$returnsReference,
124		$parameterExpressions,
125		array_keys($reflection->getStaticVariables())
126		);
127		} elseif ($reflection instanceof \ReflectionMethod) {
128		if ($reflection->isPublic()) {
129		$accessModifier = self::ACCESS_PUBLIC;
130		} elseif ($reflection->isProtected()) {
131		$accessModifier = self::ACCESS_PROTECTED;
132		} else {
133		$accessModifier = self::ACCESS_PRIVATE;
134		}
135
136		if ($reflection->isAbstract()) {
137		$polymorphModifier = self::POLYMORPH_ABSTRACT;
138		} elseif ($reflection->isFinal()) {
139		$polymorphModifier = self::POLYMORPH_FINAL;
140		} else {
141		$polymorphModifier = null;
142		}
143
144		return self::method(
145		$returnsReference,
146		$accessModifier,
147		$polymorphModifier,
148		$reflection->isStatic(),
149		$name,
150		$parameterExpressions
151		);
152		} else {
153		return self::func(
154		$returnsReference,
155		$name,
156		$parameterExpressions
157		);
158		}
159		}
160
161		/**
162		* Creates a function signature with the supplied parameters.
163		*
164		* @param boolean $returnsReference
165		* @param string $name
166		* @param O\ParameterExpression[] $parameterExpressions
167		*
168		* @return self
169		*/
170	View Code Duplication	public static function func(
171		$returnsReference,
172		$name,
173		array $parameterExpressions
174		) {
175		return new self(
176		self::TYPE_FUNCTION,
177		$returnsReference,
178		null,
179		null,
180		null,
181		$name,
182		$parameterExpressions,
183		null);
184		}
185
186		/**
187		* Creates a closure signature with the supplied parameters.
188		*
189		* @param boolean $returnsReference
190		* @param O\ParameterExpression[] $parameterExpressions
191		* @param string[] $scopedVariableNames
192		*
193		* @return self
194		*/
195	View Code Duplication	public static function closure(
196		$returnsReference,
197		array $parameterExpressions,
198		array $scopedVariableNames
199		) {
200		return new self(
201		self::TYPE_CLOSURE,
202		$returnsReference,
203		null,
204		null,
205		null,
206		null,
207		$parameterExpressions,
208		$scopedVariableNames);
209		}
210
211		/**
212		* Creates a method signature with the supplied parameters.
213		*
214		* @param boolean $returnsReference
215		* @param int\|null $accessModifier
216		* @param int\|null $polymorphModifier
217		* @param boolean $isStatic
218		* @param string $name
219		* @param O\ParameterExpression[] $parameterExpressions
220		*
221		* @return self
222		*/
223		public static function method(
224		$returnsReference,
225		$accessModifier,
226		$polymorphModifier,
227		$isStatic,
228		$name,
229		array $parameterExpressions
230		) {
231		return new self(
232		self::TYPE_METHOD,
233		$returnsReference,
234		$accessModifier,
235		$polymorphModifier,
236		$isStatic,
237		$name,
238		$parameterExpressions,
239		null);
240		}
241
242		protected static function getParameterExpressionsFromReflection(\ReflectionFunctionAbstract $reflection)
243		{
244		$parameterExpressions = [];
245
246		foreach ($reflection->getParameters() as $parameter) {
247		$parameterExpressions[] = self::getParameterExpression($parameter);
248		}
249
250		return $parameterExpressions;
251		}
252
253		private static function getParameterExpression(\ReflectionParameter $parameter)
254		{
255		$typeHint = null;
256
257		if ($parameter->isArray()) {
258		$typeHint = 'array';
259		} elseif ($parameter->isCallable()) {
260		$typeHint = 'callable';
261		} elseif ($parameter->getClass() !== null) {
262		$typeHint = $parameter->getClass()->getName();
		0 ignored issues – show Bug introduced 2017-03-06 03:36 UTC by Report Bug Copy Issue Report Consider using `$parameter->getClass()->name`. There is an issue with `getName()` and APC-enabled PHP versions. Loading history...
263		$typeHint = $typeHint[0] === '\\' ? $typeHint : '\\' . $typeHint;
264		}
265
266		return O\Expression::parameter(
267		$parameter->getName(),
		0 ignored issues – show Bug introduced 2017-03-06 03:36 UTC by Report Bug Copy Issue Report Consider using `$parameter->name`. There is an issue with `getName()` and APC-enabled PHP versions. Loading history...
268		$typeHint,
269		$parameter->isDefaultValueAvailable() ? O\Expression::value($parameter->getDefaultValue()) : null,
270		$parameter->isPassedByReference(),
271		method_exists($parameter, 'isVariadic') && $parameter->isVariadic()
272		);
273		}
274
275		public function getType()
276		{
277		return $this->type;
278		}
279
280		public function returnsReference()
281		{
282		return $this->returnsReference;
283		}
284
285		public function getAccessModifier()
286		{
287		return $this->accessModifier;
288		}
289
290		public function getPolymorphModifier()
291		{
292		return $this->polymorphModifier;
293		}
294
295		public function isStatic()
296		{
297		return $this->isStatic;
298		}
299
300		public function getName()
301		{
302		return $this->name;
303		}
304
305		public function getParameterExpressions()
306		{
307		return $this->parameterExpressions;
308		}
309
310		public function getScopedVariableNames()
311		{
312		return $this->scopedVariableNames;
313		}
314
315		public function getHash()
316		{
317		return $this->hash;
318		}
319		}
320

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FunctionSignature::closure() A last analyzed 2017-09-06 06:30 UTC

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FunctionSignature::closure() A
last analyzed 2017-09-06 06:30 UTC