File modules/dsl/ast/DslFor.class.php

Last commit: Tue Jul 19 00:10:00 2022 +0200	Jan Dankert	New: Scripting language: Ignore Keyword "new"; Support for Calling object constructors; Splitting objects into an instance and a wrapper.


     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 modules/dsl/ast/DslFor.class.php


History
Tue, 19 Jul 2022 00:10:00 +0200	Jan Dankert	New: Scripting language: Ignore Keyword "new"; Support for Calling object constructors; Splitting objects into an instance and a wrapper.
Fri, 1 Jul 2022 18:09:05 +0200	Jan Dankert	New: Bugfixes and much more string and array functions for the DSL.
Sun, 29 May 2022 16:56:40 +0200	Jan Dankert	New: DSL with support for functions with return values, full arithmetic, object properties
Sun, 29 May 2022 01:13:27 +0200	Jan Dankert	New: DSL with support for functions
Sat, 28 May 2022 18:00:13 +0200	Jan Dankert	New: DSL with a much better syntax parsing and support for assignments, conditions, ...
Wed, 25 May 2022 22:47:17 +0200	Jan Dankert	New: DSL (domain specific language) for code elements. The old way with PHP code ist not sandboxed and unsecure. This approach is a minimalistic, javascript-like, scripting engine. For now only simple function calls are possible, for example: alert("example");