123 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * This file is part of the Peast package
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 *
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 * (c) Marco Marchiò <marco.mm89@gmail.com>
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 *
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 * For the full copyright and license information refer to the LICENSE file
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 * distributed with this source code
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 */
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namespace Peast\Syntax\Node;
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/**
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 * A node that represents a unary expression.
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 * For example: !a
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 * 
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 * @author Marco Marchiò <marco.mm89@gmail.com>
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 */
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class UnaryExpression extends Node implements Expression
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{
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    /**
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     * Map of node properties
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     * 
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     * @var array 
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     */
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    protected $propertiesMap = array(
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        "argument" => true,
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        "operator" => false,
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        "prefix" => false
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    );
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    /**
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     * Expression's operator
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     * 
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     * @var string
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     */
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    protected $operator;
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    /**
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     * Prefix flag that is always true since the operator precedes the argument
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     * 
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     * @var bool
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     */
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    protected $prefix = true;
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    /**
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     * Expression's argument
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     * 
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     * @var Expression 
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     */
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    protected $argument;
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    /**
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     * Returns the expression's operator
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     * 
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     * @return string
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     */
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    public function getOperator()
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    {
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        return $this->operator;
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    }
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    /**
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     * Sets the expression's operator
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     * 
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     * @param string $operator Operator
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     * 
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     * @return $this
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     */
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    public function setOperator($operator)
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    {
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        $this->operator = $operator;
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        return $this;
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    }
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    /**
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     * Returns the prefix flag that is always true since the operator precedes
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     * the argument
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     * 
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     * @return bool
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     */
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    public function getPrefix()
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    {
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        return $this->prefix;
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    }
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    /**
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     * This method does nothing since the prefix flag is always true for
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     * unary expressions
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     * 
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     * @param bool $prefix Prefix flag
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     * 
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     * @return $this
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     * 
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     * @codeCoverageIgnore
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     */
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    public function setPrefix($prefix)
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    {
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        return $this;
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    }
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    /**
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     * Returns the expression's argument
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     * 
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     * @return Expression
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     */
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    public function getArgument()
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    {
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        return $this->argument;
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    }
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    /**
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     * Sets the expression's argument
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     * 
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     * @param Expression $argument Argument
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     * 
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     * @return $this
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     */
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    public function setArgument(Expression $argument)
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    {
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        $this->argument = $argument;
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        return $this;
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    }
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} |