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1 <?php declare(strict_types=1);
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2
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3 namespace PhpParser\Builder;
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4
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5 use PhpParser\BuilderHelpers;
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6 use PhpParser\Node;
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7
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8 abstract class FunctionLike extends Declaration
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9 {
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10 protected $returnByRef = false;
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11 protected $params = [];
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12
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13 /** @var string|Node\Name|Node\NullableType|null */
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14 protected $returnType = null;
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15
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16 /**
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17 * Make the function return by reference.
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18 *
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19 * @return $this The builder instance (for fluid interface)
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20 */
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21 public function makeReturnByRef() {
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22 $this->returnByRef = true;
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23
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24 return $this;
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25 }
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26
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27 /**
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28 * Adds a parameter.
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29 *
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30 * @param Node\Param|Param $param The parameter to add
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31 *
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32 * @return $this The builder instance (for fluid interface)
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33 */
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34 public function addParam($param) {
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35 $param = BuilderHelpers::normalizeNode($param);
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36
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37 if (!$param instanceof Node\Param) {
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38 throw new \LogicException(sprintf('Expected parameter node, got "%s"', $param->getType()));
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39 }
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40
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41 $this->params[] = $param;
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42
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43 return $this;
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44 }
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45
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46 /**
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47 * Adds multiple parameters.
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48 *
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49 * @param array $params The parameters to add
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50 *
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51 * @return $this The builder instance (for fluid interface)
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52 */
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53 public function addParams(array $params) {
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54 foreach ($params as $param) {
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55 $this->addParam($param);
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56 }
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57
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58 return $this;
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59 }
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60
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61 /**
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62 * Sets the return type for PHP 7.
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63 *
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64 * @param string|Node\Name|Node\NullableType $type One of array, callable, string, int, float,
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65 * bool, iterable, or a class/interface name.
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66 *
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67 * @return $this The builder instance (for fluid interface)
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68 */
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69 public function setReturnType($type) {
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70 $this->returnType = BuilderHelpers::normalizeType($type);
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71
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72 return $this;
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73 }
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74 }
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