openrat-cms

commit c8b1e04112bce95ba03d008e87e199f0f1c4ebc0
parent bd7b66c467041339a6f104d53f7b1ba2fe54d775
Author: Jan Dankert <develop@jandankert.de>
Date:   Mon,  6 Jun 2022 13:35:56 +0200

Change: Completely ignoring let,var,const statements.

Diffstat:
M
modules/dsl/ast/DslAssignment.class.php
 | 
6
++++--
D
modules/dsl/ast/DslInitialisation.class.php
 | 
33
---------------------------------
M
modules/dsl/ast/DslStatementList.class.php
 | 
15
---------------

3 files changed, 4 insertions(+), 50 deletions(-)
diff --git a/modules/dsl/ast/DslAssignment.class.php b/modules/dsl/ast/DslAssignment.class.php
@@ -34,8 +34,10 @@ class DslAssignment implements DslStatement
 
 		$value = $this->value->execute( $context );
 
-		if   ( ! array_key_exists( $this->target->name,$context ) )
-			throw new DslRuntimeException('variable \''.$this->target->name.'\' does not exist');
+		// if the variable is not already bound in this context it will be created.
+		// there is no need for a "var" or "let". they are completely obsolet.
+		//if   ( ! array_key_exists( $this->target->name,$context ) )
+		//	throw new DslRuntimeException('variable \''.$this->target->name.'\' does not exist');
 
 		$context[ $this->target->name ] = $value;
 
diff --git a/modules/dsl/ast/DslInitialisation.class.php b/modules/dsl/ast/DslInitialisation.class.php
@@ -1,32 +0,0 @@
-<?php
-
-namespace dsl\ast;
-
-use dsl\DslRuntimeException;
-use dsl\DslToken;
-
-class DslInitialisation implements DslStatement
-{
-	private $name;
-	private $value;
-
-	public function __construct( $name, $parameters )
-	{
-		$this->name = $name;
-		$this->value = new DslExpression( $parameters );
-	}
-
-	public function execute( & $context ) {
-		if   ( array_key_exists( $this->name, $context ) )
-			throw new DslRuntimeException('variable '.$this->name.' is already initialised');
-
-		$context[ $this->name ] = $this->value->execute( $context );
-		//echo "new var: ".$this->name.':'.$context[$this->name];
-
-	}
-
-	public function parse($tokens)
-	{
-		// TODO: Implement parse() method.
-	}
-}
-\ No newline at end of file
diff --git a/modules/dsl/ast/DslStatementList.class.php b/modules/dsl/ast/DslStatementList.class.php
@@ -100,21 +100,6 @@ class DslStatementList extends DslElement implements DslStatement
 					break;
 
 				case DslToken::T_LET:
-					$statementTokens = $this->getSingleStatement( $tokens );
-					$nextToken = array_shift($statementTokens );
-					if ($nextToken->type != DslToken::T_STRING)
-						throw new DslParserException('only variables may be initialized', $token->lineNumber);
-					$name = $nextToken->value;
-
-					$nextToken = array_shift($statementTokens);
-					if   ( $nextToken == null )
-						$value = null;
-					elseif ($nextToken->type == DslToken::T_OPERATOR && $nextToken->value == '=')
-						$value = $statementTokens;
-					else
-						throw new DslParserException('Unexpected token in initialisation', $token->lineNumber);
-
-					$this->statements[] = new DslInitialisation( $name, $value );
 					break;
 
 				case DslToken::T_FOR: