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DslInitialisation.class.php (675B)

      1 <?php
      2 
      3 namespace dsl\ast;
      4 
      5 use dsl\DslRuntimeException;
      6 use dsl\DslToken;
      7 
      8 class DslInitialisation implements DslStatement
      9 {
     10 	private $name;
     11 	private $value;
     12 
     13 	public function __construct( $name, $parameters )
     14 	{
     15 		$this->name = $name;
     16 		$this->value = new DslExpression( $parameters );
     17 	}
     18 
     19 	public function execute( & $context ) {
     20 		if   ( array_key_exists( $this->name, $context ) )
     21 			throw new DslRuntimeException('variable '.$this->name.' is already initialised');
     22 
     23 		$context[ $this->name ] = $this->value->execute( $context );
     24 		//echo "new var: ".$this->name.':'.$context[$this->name];
     25 
     26 	}
     27 
     28 	public function parse($tokens)
     29 	{
     30 		// TODO: Implement parse() method.
     31 	}
     32 }