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<?php |
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/****************************************************************************** |
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* An implementation of dicto (scg.unibe.ch/dicto) in and for PHP. |
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* |
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* Copyright (c) 2016 Richard Klees <[email protected]> |
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* |
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* This software is licensed under The MIT License. You should have received |
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* a copy of the license along with the code. |
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*/ |
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namespace Lechimp\Dicto\Variables; |
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use Lechimp\Dicto\Definition as Def; |
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abstract class Variable extends Def\Definition { |
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// TODO: Use these in Graph/IndexDB. |
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const CLASS_TYPE = "class"; |
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const FILE_TYPE = "file"; |
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const GLOBAL_TYPE = "global"; |
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const FUNCTION_TYPE = "function"; |
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const METHOD_TYPE = "method"; |
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const LANGUAGE_CONSTRUCT_TYPE = "language construct"; |
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static public function is_type($t) { |
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static $types = array |
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( "class" |
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, "file" |
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, "global" |
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, "function" |
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, "method" |
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, "language construct" |
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); |
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return in_array($t, $types); |
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} |
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/** |
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* @var string|null |
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*/ |
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private $name; |
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90 |
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public function __construct($name = null) { |
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assert('is_string($name) || ($name === null)'); |
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$this->name = $name; |
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} |
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/** |
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* @return string|null |
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*/ |
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183 |
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public function name() { |
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return $this->name; |
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} |
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/** |
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* @param string $name |
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* @return self |
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*/ |
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public function withName($name) { |
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assert('is_string($name)'); |
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$clone = clone $this; |
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$clone->name = $name; |
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return $clone; |
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} |
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/** |
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* Get the meaning of the variable. |
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* |
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* In opposite to name, this gives insight in the structure of this variable. |
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* |
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* @return string |
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*/ |
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abstract public function meaning(); |
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/** |
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* Compile the variable to a condition on a graph node. |
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* |
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* TODO: Maybe negate can go away. |
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* |
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* @param bool $negate |
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* @return \Closure Node -> bool |
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*/ |
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abstract public function compile($negate = false); |
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} |
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lechimp-p /
dicto.php
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