ReflectionFunctionLikeTrait::isVariadic() - Code Metrics - Inspection of "Fixing notice, when using "ReflectionClass::hasCon..." - goaop/parser-reflection - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#25)

by Alexander

created 2016-06-12 20:28 UTC

ReflectionFunctionLikeTrait::isVariadic() A

↳ Parent: ReflectionFunctionLikeTrait

Complexity

Conditions	3
Paths	3

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	10
c	0
b	0
f	0
ccs	5
cts	5
cp	1
rs	9.4285
cc	3
eloc	5
nc	3
nop	0
crap	3

<?php
/**
 * Parser Reflection API
 *
 * @copyright Copyright 2015, Lisachenko Alexander <[email protected]>
 *
 * This source file is subject to the license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Go\ParserReflection\Traits;


use Go\ParserReflection\NodeVisitor\GeneratorDetector;
use Go\ParserReflection\NodeVisitor\StaticVariablesCollector;
use Go\ParserReflection\ReflectionFileNamespace;
use Go\ParserReflection\ReflectionParameter;
use Go\ParserReflection\ReflectionType;
use PhpParser\Node\Expr\Closure;
use PhpParser\Node\FunctionLike;
use PhpParser\Node\Stmt\ClassMethod;
use PhpParser\Node\Stmt\Function_;
use PhpParser\NodeTraverser;

/**
 * General trait for all function-like reflections
 */
trait ReflectionFunctionLikeTrait
{
    use InitializationTrait;

    /**
     * @var FunctionLike
     */
    protected $functionLikeNode;

    /**
     * Namespace name
     *
     * @var string
     */
    protected $namespaceName = '';

    /**
     * @var array|ReflectionParameter[]
     */
    protected $parameters;

    /**
     * {@inheritDoc}
     */
    public function getClosureScopeClass()
    {
        $this->initializeInternalReflection();

        return forward_static_call('parent::getClosureScopeClass');
    }

    /**
     * {@inheritDoc}
     */
    public function getClosureThis()
    {
        $this->initializeInternalReflection();

        return forward_static_call('parent::getClosureThis');
    }

    public function getDocComment()
    {
        $docComment = $this->functionLikeNode->getDocComment();

        return $docComment ? $docComment->getText() : false;
    }

    public function getEndLine()
    {
        return $this->functionLikeNode->getAttribute('endLine');
    }

    public function getExtension()
    {
        return null;
    }

    public function getExtensionName()
    {
        return false;
    }

    public function getFileName()
    {
        return $this->functionLikeNode->getAttribute('fileName');
    }

    /**
     * {@inheritDoc}
     */
    public function getName()
    {
        if ($this->functionLikeNode instanceof Function_ || $this->functionLikeNode instanceof ClassMethod) {
            $functionName = $this->functionLikeNode->name;

            return $this->namespaceName ? $this->namespaceName . '\\' . $functionName : $functionName;
        }

        return false;
    }

    /**
     * {@inheritDoc}
     */
    public function getNamespaceName()
    {
        return $this->namespaceName;
    }

    /**
     * Get the number of parameters that a function defines, both optional and required.
     *
     * @link http://php.net/manual/en/reflectionfunctionabstract.getnumberofparameters.php
     *
     * @return int
     */
    public function getNumberOfParameters()
    {
        return count($this->functionLikeNode->getParams());
    }

    /**
     * Get the number of required parameters that a function defines.
     *
     * @link http://php.net/manual/en/reflectionfunctionabstract.getnumberofrequiredparameters.php
     *
     * @return int
     */
    public function getNumberOfRequiredParameters()
    {
        $requiredParameters = 0;
        foreach ($this->getParameters() as $parameter) {
            if (!$parameter->isOptional()) {
                $requiredParameters++;
            }
        }

        return $requiredParameters;
    }

    /**
     * {@inheritDoc}
     */
    public function getParameters()
    {
        if (!isset($this->parameters)) {
            $parameters = [];

            foreach ($this->functionLikeNode->getParams() as $parameterIndex => $parameterNode) {
                $reflectionParameter = new ReflectionParameter(
                    $this->getName(),
                    $parameterNode->name,
                    $parameterNode,
                    $parameterIndex,
                    $this
                );
                $parameters[] = $reflectionParameter;
            }

            $this->parameters = $parameters;
        }

        return $this->parameters;
    }

    /**
     * Gets the specified return type of a function
     *
     * @return \ReflectionType
     *
     * @link http://php.net/manual/en/reflectionfunctionabstract.getreturntype.php
     */
    public function getReturnType()
    {
        $isBuiltin  = false;
        $returnType = $this->functionLikeNode->getReturnType();
        if (is_object($returnType)) {
            $returnType = $returnType->toString();
        } elseif (is_string($returnType)) {
            $isBuiltin = true;
        } else {
            return null;
        }

        return new ReflectionType($returnType, false, $isBuiltin);
    }

    /**
     * {@inheritDoc}
     */
    public function getShortName()
    {
        if ($this->functionLikeNode instanceof Function_ || $this->functionLikeNode instanceof ClassMethod) {
            return $this->functionLikeNode->name;
        }

        return false;
    }

    public function getStartLine()
    {
        return $this->functionLikeNode->getAttribute('startLine');
    }

    /**
     * {@inheritDoc}
     */
    public function getStaticVariables()
    {
        $nodeTraverser      = new NodeTraverser(false);
        $variablesCollector = new StaticVariablesCollector($this);
        $nodeTraverser->addVisitor($variablesCollector);

        /* @see https://github.com/nikic/PHP-Parser/issues/235 */
        $nodeTraverser->traverse($this->functionLikeNode->getStmts() ?: array());

        return $variablesCollector->getStaticVariables();
    }

    /**
     * Checks if the function has a specified return type
     *
     * @return bool
     *
     * @link http://php.net/manual/en/reflectionfunctionabstract.hasreturntype.php
     */
    public function hasReturnType()
    {
        $returnType = $this->functionLikeNode->getReturnType();

        return isset($returnType);
    }

    /**
     * {@inheritDoc}
     */
    public function inNamespace()
    {
        return !empty($this->namespaceName);
    }

    /**
     * {@inheritDoc}
     */
    public function isClosure()
    {
        return $this->functionLikeNode instanceof Closure;
    }

    /**
     * {@inheritDoc}
     */
    public function isDeprecated()
    {
        // userland method/function/closure can not be deprecated
        return false;
    }

    /**
     * {@inheritDoc}
     */
    public function isGenerator()
    {
        $nodeTraverser = new NodeTraverser(false);
        $nodeDetector  = new GeneratorDetector();
        $nodeTraverser->addVisitor($nodeDetector);

        /* @see https://github.com/nikic/PHP-Parser/issues/235 */
        $nodeTraverser->traverse($this->functionLikeNode->getStmts() ?: array());

        return $nodeDetector->isGenerator();
    }

    /**
     * {@inheritDoc}
     */
    public function isInternal()
    {
        // never can be an internal method
        return false;
    }

    /**
     * {@inheritDoc}
     */
    public function isUserDefined()
    {
        // always defined by user, because we parse the source code
        return true;
    }

    /**
     * {@inheritDoc}
     */
    public function isVariadic()
    {
        foreach ($this->getParameters() as $parameter) {
            if ($parameter->isVariadic()) {
                return true;
            }
        }

        return false;
    }

    /**
     * {@inheritDoc}
     */
    public function returnsReference()
    {
        return $this->functionLikeNode->returnsByRef();
    }
}


1		<?php
2		/**
3		* Parser Reflection API
4		*
5		* @copyright Copyright 2015, Lisachenko Alexander <[email protected]>
6		*
7		* This source file is subject to the license that is bundled
8		* with this source code in the file LICENSE.
9		*/
10
11		namespace Go\ParserReflection\Traits;
12
13
14		use Go\ParserReflection\NodeVisitor\GeneratorDetector;
15		use Go\ParserReflection\NodeVisitor\StaticVariablesCollector;
16		use Go\ParserReflection\ReflectionFileNamespace;
17		use Go\ParserReflection\ReflectionParameter;
18		use Go\ParserReflection\ReflectionType;
19		use PhpParser\Node\Expr\Closure;
20		use PhpParser\Node\FunctionLike;
21		use PhpParser\Node\Stmt\ClassMethod;
22		use PhpParser\Node\Stmt\Function_;
23		use PhpParser\NodeTraverser;
24
25		/**
26		* General trait for all function-like reflections
27		*/
28		trait ReflectionFunctionLikeTrait
29		{
30		use InitializationTrait;
31
32		/**
33		* @var FunctionLike
34		*/
35		protected $functionLikeNode;
36
37		/**
38		* Namespace name
39		*
40		* @var string
41		*/
42		protected $namespaceName = '';
43
44		/**
45		* @var array\|ReflectionParameter[]
46		*/
47		protected $parameters;
48
49		/**
50		* {@inheritDoc}
51		*/
52	2	public function getClosureScopeClass()
53		{
54	2	$this->initializeInternalReflection();
55
56	2	return forward_static_call('parent::getClosureScopeClass');
57		}
58
59		/**
60		* {@inheritDoc}
61		*/
62	2	public function getClosureThis()
63		{
64	2	$this->initializeInternalReflection();
65
66	2	return forward_static_call('parent::getClosureThis');
67		}
68
69	2	public function getDocComment()
70		{
71	2	$docComment = $this->functionLikeNode->getDocComment();
72
73	2	return $docComment ? $docComment->getText() : false;
74		}
75
76	2	public function getEndLine()
77		{
78	2	return $this->functionLikeNode->getAttribute('endLine');
79		}
80
81	2	public function getExtension()
82		{
83	2	return null;
84		}
85
86	2	public function getExtensionName()
87		{
88	2	return false;
89		}
90
91	9	public function getFileName()
92		{
93	9	return $this->functionLikeNode->getAttribute('fileName');
94		}
95
96		/**
97		* {@inheritDoc}
98		*/
99	23	public function getName()
100		{
101	23	if ($this->functionLikeNode instanceof Function_ \|\| $this->functionLikeNode instanceof ClassMethod) {
102	23	$functionName = $this->functionLikeNode->name;
103
104	23	return $this->namespaceName ? $this->namespaceName . '\\' . $functionName : $functionName;
105		}
106
107		return false;
108		}
109
110		/**
111		* {@inheritDoc}
112		*/
113	9	public function getNamespaceName()
114		{
115	9	return $this->namespaceName;
116		}
117
118		/**
119		* Get the number of parameters that a function defines, both optional and required.
120		*
121		* @link http://php.net/manual/en/reflectionfunctionabstract.getnumberofparameters.php
122		*
123		* @return int
124		*/
125	2	public function getNumberOfParameters()
126		{
127	2	return count($this->functionLikeNode->getParams());
128		}
129
130		/**
131		* Get the number of required parameters that a function defines.
132		*
133		* @link http://php.net/manual/en/reflectionfunctionabstract.getnumberofrequiredparameters.php
134		*
135		* @return int
136		*/
137	2	public function getNumberOfRequiredParameters()
138		{
139	2	$requiredParameters = 0;
140	2	foreach ($this->getParameters() as $parameter) {
141	2	if (!$parameter->isOptional()) {
142	2	$requiredParameters++;
143		}
144		}
145
146	2	return $requiredParameters;
147		}
148
149		/**
150		* {@inheritDoc}
151		*/
152	10	public function getParameters()
153		{
154	10	if (!isset($this->parameters)) {
155	10	$parameters = [];
156
157	10	foreach ($this->functionLikeNode->getParams() as $parameterIndex => $parameterNode) {
158	10	$reflectionParameter = new ReflectionParameter(
159	10	$this->getName(),
160	10	$parameterNode->name,
161		$parameterNode,
162		$parameterIndex,
163		$this
164		);
165	10	$parameters[] = $reflectionParameter;
166		}
167
168	10	$this->parameters = $parameters;
169		}
170
171	10	return $this->parameters;
172		}
173
174		/**
175		* Gets the specified return type of a function
176		*
177		* @return \ReflectionType
178		*
179		* @link http://php.net/manual/en/reflectionfunctionabstract.getreturntype.php
180		*/
181	1	public function getReturnType()
182		{
183	1	$isBuiltin = false;
184	1	$returnType = $this->functionLikeNode->getReturnType();
185	1	if (is_object($returnType)) {
186	1	$returnType = $returnType->toString();
187	1	} elseif (is_string($returnType)) {
188	1	$isBuiltin = true;
189		} else {
190	1	return null;
191		}
192
193	1	return new ReflectionType($returnType, false, $isBuiltin);
194		}
195
196		/**
197		* {@inheritDoc}
198		*/
199	2	public function getShortName()
200		{
201	2	if ($this->functionLikeNode instanceof Function_ \|\| $this->functionLikeNode instanceof ClassMethod) {
202	2	return $this->functionLikeNode->name;
203		}
204
205		return false;
206		}
207
208	2	public function getStartLine()
209		{
210	2	return $this->functionLikeNode->getAttribute('startLine');
211		}
212
213		/**
214		* {@inheritDoc}
215		*/
216	2	public function getStaticVariables()
217		{
218	2	$nodeTraverser = new NodeTraverser(false);
219	2	$variablesCollector = new StaticVariablesCollector($this);
220	2	$nodeTraverser->addVisitor($variablesCollector);
221
222		/* @see https://github.com/nikic/PHP-Parser/issues/235 */
223	2	$nodeTraverser->traverse($this->functionLikeNode->getStmts() ?: array());
224
225	2	return $variablesCollector->getStaticVariables();
226		}
227
228		/**
229		* Checks if the function has a specified return type
230		*
231		* @return bool
232		*
233		* @link http://php.net/manual/en/reflectionfunctionabstract.hasreturntype.php
234		*/
235	3	public function hasReturnType()
236		{
237	3	$returnType = $this->functionLikeNode->getReturnType();
238
239	3	return isset($returnType);
240		}
241
242		/**
243		* {@inheritDoc}
244		*/
245	2	public function inNamespace()
246		{
247	2	return !empty($this->namespaceName);
248		}
249
250		/**
251		* {@inheritDoc}
252		*/
253	1	public function isClosure()
254		{
255	1	return $this->functionLikeNode instanceof Closure;
256		}
257
258		/**
259		* {@inheritDoc}
260		*/
261	1	public function isDeprecated()
262		{
263		// userland method/function/closure can not be deprecated
264	1	return false;
265		}
266
267		/**
268		* {@inheritDoc}
269		*/
270	1	public function isGenerator()
271		{
272	1	$nodeTraverser = new NodeTraverser(false);
273	1	$nodeDetector = new GeneratorDetector();
274	1	$nodeTraverser->addVisitor($nodeDetector);
275
276		/* @see https://github.com/nikic/PHP-Parser/issues/235 */
277	1	$nodeTraverser->traverse($this->functionLikeNode->getStmts() ?: array());
278
279	1	return $nodeDetector->isGenerator();
280		}
281
282		/**
283		* {@inheritDoc}
284		*/
285	1	public function isInternal()
286		{
287		// never can be an internal method
288	1	return false;
289		}
290
291		/**
292		* {@inheritDoc}
293		*/
294	1	public function isUserDefined()
295		{
296		// always defined by user, because we parse the source code
297	1	return true;
298		}
299
300		/**
301		* {@inheritDoc}
302		*/
303	1	public function isVariadic()
304		{
305	1	foreach ($this->getParameters() as $parameter) {
306	1	if ($parameter->isVariadic()) {
307	1	return true;
308		}
309		}
310
311	1	return false;
312		}
313
314		/**
315		* {@inheritDoc}
316		*/
317	2	public function returnsReference()
318		{
319	2	return $this->functionLikeNode->returnsByRef();
320		}
321		}
322

goaop / parser-reflection

Pull Request — master (#25)

ReflectionFunctionLikeTrait::isVariadic() A

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