File dsl/ast/DslFor.class.php

Last commit: Tue Jul 19 00:10:39 2022 +0200	Jan Dankert	Fetched from upstream.


     1 <?php
     2 
     3 namespace dsl\ast;
     4 
     5 use dsl\DslRuntimeException;
     6 use dsl\DslToken;
     7 use dsl\standard\ArrayInstance;
     8 
     9 class DslFor implements DslStatement
    10 {
    11 	private $name;
    12 	private $list;
    13 	private $statements;
    14 
    15 	/**
    16 	 * DslFor constructor.
    17 	 *
    18 	 * @param $name String
    19 	 * @param $list DslToken[]
    20 	 * @param $statements DslToken[]
    21 	 */
    22 	public function __construct($name, $list, $statements)
    23 	{
    24 		$this->name = $name;
    25 		$this->list = new DslExpression( $list );
    26 		$this->statements = new DslStatementList( $statements );
    27 	}
    28 
    29 
    30 	public function execute( & $context ) {
    31 
    32 		$list = $this->list->execute( $context );
    33 
    34 		if   ( ! $list instanceof ArrayInstance )
    35 			throw new DslRuntimeException('for value is not an array');
    36 
    37 		$copiedContext = $context;
    38 		foreach( $list->getInternalValue() as $loopVar ) {
    39 
    40 			// copy loop var to current loop context
    41 			$copiedContext[ $this->name ] = $loopVar;
    42 
    43 			// Execute "for" block
    44 			$this->statements->execute( $copiedContext );
    45 		}
    46 	}
    47 
    48 	public function parse($tokens)
    49 	{
    50 	}
    51 }



Download dsl/ast/DslFor.class.php


History
Tue, 19 Jul 2022 00:10:39 +0200	Jan Dankert	Fetched from upstream.
Mon, 6 Jun 2022 14:06:46 +0200	Jan Dankert	First commit after fetching from upstream repo.