Is now compatible with PHP 5.3 again.1.0.3

1 files changed, 365 insertions, 349 deletions

diff --git a/src/ste/Transcompiler.php b/src/ste/Transcompiler.php
index 4988624..12fc59d 100644
--- a/src/ste/Transcompiler.php
+++ b/src/ste/Transcompiler.php
@@ -22,354 +22,372 @@ class Transcompiler {
 		}
 		
 		self::$builtins = array(
-			"if" => function($ast) {
-				$output = "";
-				$condition = array();
-				$then = NULL;
-				$else = NULL;
-				
-				foreach($ast->sub as $node) {
-					if(($node instanceof TagNode) and ($node->name == "then")) {
-						$then = $node->sub;
-					} else if(($node instanceof TagNode) and ($node->name == "else")) {
-						$else = $node->sub;
-					} else {
-						$condition[] = $node;
-					}
-				}
-				
-				if($then === NULL) {
-					throw new ParseCompileError("self::Transcompile error: Missing <ste:then> in <ste:if>.", $ast->tpl, $ast->offset);
-				}
-				
-				$output .= "\$outputstack[] = \"\";\n\$outputstack_i++;\n";
-				$output .= self::_transcompile($condition);
-				$output .= "\$outputstack_i--;\nif(\$ste->evalbool(array_pop(\$outputstack)))\n{\n";
-				$output .= self::indent_code(self::_transcompile($then));
-				$output .= "\n}\n";
-				if($else !== NULL) {
-					$output .= "else\n{\n";
-					$output .= self::indent_code(self::_transcompile($else));
-					$output .= "\n}\n";
-				}
-				return $output;
-			},
-			"cmp" => function($ast) {
-				$operators = array(
-					array('eq', '=='),
-					array('neq', '!='),
-					array('lt', '<'),
-					array('lte', '<='),
-					array('gt', '>'),
-					array('gte', '>=')
-				);
-				
-				$code = "";
-				
-				if(isset($ast->params["var_b"])) {
-					list($val, $pre) = self::_transcompile($ast->params["var_b"], true);
-					$code .= $pre;
-					$b = '$ste->get_var_by_name(' . $val . ')';
-				} else if(isset($ast->params["text_b"])) {
-					list($b, $pre) = self::_transcompile($ast->params["text_b"], true);
-					$code .= $pre;
-				} else {
-					throw new ParseCompileError("self::Transcompile error: neiter var_b nor text_b set in <ste:cmp>.", $ast->tpl, $ast->offset);
-				}
-				
-				if(isset($ast->params["var_a"])) {
-					list($val, $pre) = self::_transcompile($ast->params["var_a"], true);
-					$code .= $pre;
-					$a = '$ste->get_var_by_name(' . $val . ')';
-				} else if(isset($ast->params["text_a"])) {
-					list($a, $pre) = self::_transcompile($ast->params["text_a"], true);
-					$code .= $pre;
-				} else {
-					throw new ParseCompileError("self::Transcompile error: neiter var_a nor text_a set in <ste:cmp>.", $ast->tpl, $ast->offset);
-				}
-				
-				if(!isset($ast->params["op"])) {
-					throw new ParseCompileError("self::Transcompile error: op not given in <ste:cmp>.", $ast->tpl, $ast->offset);
-				}
-				if((count($ast->params["op"]) == 1) and ($ast->params["op"][0] instanceof TextNode)) {
-					/* Operator is known at compile time, this saves *a lot* of output code! */
-					$op = trim($ast->params["op"][0]->text);
-					$op_php = NULL;
-					foreach($operators as $v) {
-						if($v[0] == $op) {
-							$op_php = $v[1];
-							break;
-						}
-					}
-					if($op_php === NULL) {
-						throw new ParseCompileError("self::Transcompile Error: Unknown operator in <ste:cmp>", $ast->tpl, $ast->offset);
-					}
-					$code .= "\$outputstack[\$outputstack_i] .= (($a) $op_php ($b)) ? 'yes' : '';\n";
-				} else {
-					list($val, $pre) = self::_transcompile($ast->params["op"], true);
-					$code .= $pre . "switch(trim(" . $val . "))\n{\n\t";
-					$code .= implode("", array_map(
-							function($op) use ($a,$b)
-							{
-								list($op_stetpl, $op_php) = $op;
-								return "case '$op_stetpl':\n\t\$outputstack[\$outputstack_i] .= (($a) $op_php ($b)) ? 'yes' : '';\n\tbreak;\n\t";
-							}, $operators
-						));
-					$code .= "default: throw new \\kch42\\ste\\RuntimeError('Unknown operator in <ste:cmp>.');\n}\n";
-				}
-				return $code;
-			},
-			"not" => function($ast) {
-				$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
-				$code .= self::_transcompile($ast->sub);
-				$code .= "\$outputstack_i--;\n\$outputstack[\$outputstack_i] .= (!\$ste->evalbool(array_pop(\$outputstack))) ? 'yes' : '';\n";
-				return $code;
-			},
-			"even" => function($ast) {
-				$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
-				$code .= self::_transcompile($ast->sub);
-				$code .= "\$outputstack_i--;\n\$tmp_even = array_pop(\$outputstack);\n\$outputstack[\$outputstack_i] .= (is_numeric(\$tmp_even) and (\$tmp_even % 2 == 0)) ? 'yes' : '';\n";
-				return $code;
-			},
-			"for" => function($ast) {
-				$code = "";
-				$loopname = self::tempvar("forloop");
-				if(empty($ast->params["start"])) {
-					throw new ParseCompileError("self::Transcompile error: Missing 'start' parameter in <ste:for>.", $ast->tpl, $ast->offset);
-				}
-				list($val, $pre) = self::_transcompile($ast->params["start"], true);
-				$code .= $pre;
-				$code .= "\$${loopname}_start = " . $val . ";\n";
-				
-				if(empty($ast->params["stop"])) {
-					throw new ParseCompileError("self::Transcompile error: Missing 'end' parameter in <ste:for>.", $ast->tpl, $ast->offset);
-				}
-				list($val, $pre) = self::_transcompile($ast->params["stop"], true);
-				$code .= $pre;
-				$code .= "\$${loopname}_stop = " . $val . ";\n";
-				
-				$step = NULL; /* i.e. not known at compilation time */
-				if(empty($ast->params["step"])) {
-					$step = 1;
-				} else if((count($ast->params["step"]) == 1) and ($ast->params["step"][0] instanceof TextNode)) {
-					$step = $ast->params["step"][0]->text + 0;
-				} else {
-					list($val, $pre) = self::_transcompile($ast->params["step"], true);
-					$code .= $pre;
-					$code .= "\$${loopname}_step = " . $val . ";\n";
-				}
-				
-				if(!empty($ast->params["counter"])) {
-					list($val, $pre) = self::_transcompile($ast->params["counter"], true);
-					$code .= $pre;
-					$code .= "\$${loopname}_countername = " . $val . ";\n";
-				}
-				
-				$loopbody = empty($ast->params["counter"]) ? "" : "\$ste->set_var_by_name(\$${loopname}_countername, \$${loopname}_counter);\n";
-				$loopbody .= self::_transcompile($ast->sub);
-				$loopbody = self::indent_code("{\n" . self::loopbody(self::indent_code($loopbody)) . "\n}\n");
-				
-				if($step === NULL) {
-					$code .= "if(\$${loopname}_step == 0)\n\tthrow new \\kch42\\ste\\RuntimeError('step can not be 0 in <ste:for>.');\n";
-					$code .= "if(\$${loopname}_step > 0)\n{\n";
-					$code .= "\tfor(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter <= \$${loopname}_stop; \$${loopname}_counter += \$${loopname}_step)\n";
-					$code .= $loopbody;
-					$code .= "\n}\nelse\n{\n";
-					$code .= "\tfor(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter >= \$${loopname}_stop; \$${loopname}_counter += \$${loopname}_step)\n";
-					$code .= $loopbody;
-					$code .= "\n}\n";
-				} else if($step == 0) {
-					throw new ParseCompileError("self::Transcompile Error: step can not be 0 in <ste:for>.", $ast->tpl, $ast->offset);
-				} else if($step > 0) {
-					$code .= "for(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter <= \$${loopname}_stop; \$${loopname}_counter += $step)\n$loopbody\n";
-				} else {
-					$code .= "for(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter >= \$${loopname}_stop; \$${loopname}_counter += $step)\n$loopbody\n";
-				}
-				
-				return $code;
-			},
-			"foreach" => function($ast) {
-				$loopname = self::tempvar("foreachloop");
-				$code = "";
-				
-				if(empty($ast->params["array"])) {
-					throw new ParseCompileError("self::Transcompile Error: array not given in <ste:foreach>.", $ast->tpl, $ast->offset);
-				}
-				list($val, $pre) = self::_transcompile($ast->params["array"], true);
-				$code .= $pre;
-				$code .= "\$${loopname}_arrayvar = " . $val . ";\n";
-				
-				if(empty($ast->params["value"])) {
-					throw new ParseCompileError("self::Transcompile Error: value not given in <ste:foreach>.", $ast->tpl, $ast->offset);
-				}
-				list($val, $pre) = self::_transcompile($ast->params["value"], true);
-				$code .= $pre;
-				$code .= "\$${loopname}_valuevar = " . $val . ";\n";
-				
-				if(!empty($ast->params["key"])) {
-					list($val, $pre) = self::_transcompile($ast->params["key"], true);
-					$code .= $pre;
-					$code .= "\$${loopname}_keyvar = " . $val . ";\n";
-				}
-				
-				if(!empty($ast->params["counter"])) {
-					list($val, $pre) = self::_transcompile($ast->params["counter"], true);
-					$code .= $pre;
-					$code .= "\$${loopname}_countervar = " . $val . ";\n";
-				}
-				
-				$loopbody = "";
-				$code .= "\$${loopname}_array = \$ste->get_var_by_name(\$${loopname}_arrayvar);\n";
-				$code .= "if(!is_array(\$${loopname}_array))\n\t\$${loopname}_array = array();\n";
-				if(!empty($ast->params["counter"])) {
-					$code .= "\$${loopname}_counter = -1;\n";
-					$loopbody .= "\$${loopname}_counter++;\n\$ste->set_var_by_name(\$${loopname}_countervar, \$${loopname}_counter);\n";
-				}
-				
-				$loop = array();
-				$else = array();
-				foreach($ast->sub as $node) {
-					if(($node instanceof TagNode) && ($node->name == "else")) {
-						$else = array_merge($else, $node->sub);
-					} else {
-						$loop[] = $node;
-					}
-				}
-				
-				$loopbody .= "\$ste->set_var_by_name(\$${loopname}_valuevar, \$${loopname}_value);\n";
-				if(!empty($ast->params["key"])) {
-					$loopbody .= "\$ste->set_var_by_name(\$${loopname}_keyvar, \$${loopname}_key);\n";
-				}
-				$loopbody .= "\n";
-				$loopbody .= self::_transcompile($loop);
-				$loopbody = "{\n" . self::loopbody(self::indent_code($loopbody)) . "\n}\n";
-				
-				if(!empty($else)) {
-					$code .= "if(empty(\$${loopname}_array))\n{\n";
-					$code .= self::indent_code(self::_transcompile($else));
-					$code .= "\n}\nelse ";
-				}
-				$code .= "foreach(\$${loopname}_array as \$${loopname}_key => \$${loopname}_value)\n$loopbody\n";
-				
-				return $code;
-			},
-			"infloop" => function($ast) {
-				return "while(true)\n{\n" . self::indent_code(self::loopbody(self::indent_code(self::_transcompile($ast->sub)))) . "\n}\n";
-			},
-			"break" => function($ast) {
-				return "throw new \\kch42\\ste\\BreakException();\n";
-			},
-			"continue" => function($ast) {
-				return "throw new \\kch42\\ste\\ContinueException();\n";
-			},
-			"block" => function($ast) {
-				if(empty($ast->params["name"])) {
-					throw new ParseCompileError("self::Transcompile Error: name missing in <ste:block>.", $ast->tpl, $ast->offset);
-				}
-				
-				$blknamevar = self::tempvar("blockname");
-				
-				list($val, $code) = self::_transcompile($ast->params["name"], true);
-				$code .= "\$${blknamevar} = " . $val . ";\n";
-				
-				$tmpblk = uniqid("", true);
-				$code .= "\$ste->blocks['$tmpblk'] = array_pop(\$outputstack);\n\$ste->blockorder[] = '$tmpblk';\n\$outputstack = array('');\n\$outputstack_i = 0;\n";
-				
-				$code .= self::_transcompile($ast->sub);
-				
-				$code .= "\$ste->blocks[\$${blknamevar}] = array_pop(\$outputstack);\n";
-				$code .= "if(array_search(\$${blknamevar}, \$ste->blockorder) === false)\n\t\$ste->blockorder[] = \$${blknamevar};\n\$outputstack = array('');\n\$outputstack_i = 0;\n";
-				
-				return $code;
-			},
-			"load" => function($ast) {
-				if(empty($ast->params["name"])) {
-					throw new ParseCompileError("self::Transcompile Error: name missing in <ste:load>.", $ast->tpl, $ast->offset);
-				}
-				
-				list($val, $code) = self::_transcompile($ast->params["name"], true);
-				$code .= "\$outputstack[\$outputstack_i] .= \$ste->load(" . $val . ");\n";
-				return $code;
-			},
-			"mktag" => function($ast) {
-				$code = "";
-				
-				if(empty($ast->params["name"])) {
-					throw new ParseCompileError("self::Transcompile Error: name missing in <ste:mktag>.", $ast->tpl, $ast->offset);
-				}
-				
-				$fxbody = "\$outputstack = array(''); \$outputstack_i = 0;\$ste->set_local_var('_tag_parameters', \$params);\n";
-				
-				list($tagname, $tagname_pre) = self::_transcompile($ast->params["name"], true);
-				
-				$usemandatory = "";
-				if(!empty($ast->params["mandatory"])) {
-					$usemandatory = " use (\$mandatory_params)";
-					$code .= "\$outputstack[] = '';\n\$outputstack_i++;\n";
-					$code .= self::_transcompile($ast->params["mandatory"]);
-					$code .= "\$outputstack_i--;\n\$mandatory_params = explode('|', array_pop(\$outputstack));\n";
-					
-					$fxbody .= "foreach(\$mandatory_params as \$mp)\n{\n\tif(!isset(\$params[\$mp]))\n\t\tthrow new \\kch42\\ste\\RuntimeError(\"\$mp missing in <ste:\" . $tagname . \">.\");\n}";
-				}
-				
-				$fxbody .= self::_transcompile($ast->sub);
-				$fxbody .= "return array_pop(\$outputstack);";
-				
-				$code .= "\$tag_fx = \$ste->make_closure(function(\$ste, \$params, \$sub)" . $usemandatory . "\n{\n" . self::indent_code($fxbody) . "\n});\n";
-				$code .= $tagname_pre;
-				$code .= "\$ste->register_tag($tagname, \$tag_fx);\n";
-				
-				return $code;
-			},
-			"tagcontent" => function($ast) {
-				return "\$outputstack[\$outputstack_i] .= \$sub(\$ste);";
-			},
-			"set" => function($ast) {
-				if(empty($ast->params["var"])) {
-					throw new ParseCompileError("self::Transcompile Error: var missing in <ste:set>.", $ast->tpl, $ast->offset);
-				}
-				
-				$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
-				$code .= self::_transcompile($ast->sub);
-				$code .= "\$outputstack_i--;\n";
-				
-				list($val, $pre) = self::_transcompile($ast->params["var"], true);
-				$code .= $pre;
-				$code .= "\$ste->set_var_by_name(" . $val . ", array_pop(\$outputstack));\n";
-				
-				return $code;
-			},
-			"setlocal" => function($ast) {
-				if(empty($ast->params["var"])) {
-					throw new ParseCompileError("self::Transcompile Error: var missing in <ste:set>.", $ast->tpl, $ast->offset);
-				}
-				
-				$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
-				$code .= self::_transcompile($ast->sub);
-				$code .= "\$outputstack_i--;\n";
-				
-				list($val, $pre) = self::_transcompile($ast->params["var"], true);
-				$code .= $pre;
-				$code .= "\$ste->set_local_var(" . $val . ", array_pop(\$outputstack));\n";
-				
-				return $code;
-			},
-			"get" => function($ast) {
-				if(empty($ast->params["var"])) {
-					throw new ParseCompileError("self::Transcompile Error: var missing in <ste:get>.", $ast->tpl, $ast->offset);
-				}
-				
-				list($val, $pre) = self::_transcompile($ast->params["var"],  true);
-				return "$pre\$outputstack[\$outputstack_i] .= \$ste->get_var_by_name(" . $val . ");";
-			},
-			"calc" => function($ast) {
-				$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
-				$code .= self::_transcompile($ast->sub);
-				$code .= "\$outputstack_i--;\n\$outputstack[\$outputstack_i] .= \$ste->calc(array_pop(\$outputstack));\n";
-				
-				return $code;
+			"if" => array("\\kch42\\ste\\Transcompiler", "builtin_if"),
+			"cmp" => array("\\kch42\\ste\\Transcompiler", "builtin_cmp"),
+			"not" => array("\\kch42\\ste\\Transcompiler", "builtin_not"),
+			"even" => array("\\kch42\\ste\\Transcompiler", "builtin_even"),
+			"for" => array("\\kch42\\ste\\Transcompiler", "builtin_for"),
+			"foreach" => array("\\kch42\\ste\\Transcompiler", "builtin_foreach"),
+			"infloop" => array("\\kch42\\ste\\Transcompiler", "builtin_infloop"),
+			"break" => array("\\kch42\\ste\\Transcompiler", "builtin_break"),
+			"continue" => array("\\kch42\\ste\\Transcompiler", "builtin_continue"),
+			"block" => array("\\kch42\\ste\\Transcompiler", "builtin_block"),
+			"load" => array("\\kch42\\ste\\Transcompiler", "builtin_load"),
+			"mktag" => array("\\kch42\\ste\\Transcompiler", "builtin_mktag"),
+			"tagcontent" => array("\\kch42\\ste\\Transcompiler", "builtin_tagcontent"),
+			"set" => array("\\kch42\\ste\\Transcompiler", "builtin_set"),
+			"setlocal" => array("\\kch42\\ste\\Transcompiler", "builtin_setlocal"),
+			"get" => array("\\kch42\\ste\\Transcompiler", "builtin_get"),
+			"calc" => array("\\kch42\\ste\\Transcompiler", "builtin_calc")
+		);
+	}
+	
+	private static function builtin_if($ast) {
+		$output = "";
+		$condition = array();
+		$then = NULL;
+		$else = NULL;
+		
+		foreach($ast->sub as $node) {
+			if(($node instanceof TagNode) and ($node->name == "then")) {
+				$then = $node->sub;
+			} else if(($node instanceof TagNode) and ($node->name == "else")) {
+				$else = $node->sub;
+			} else {
+				$condition[] = $node;
 			}
+		}
+		
+		if($then === NULL) {
+			throw new ParseCompileError("self::Transcompile error: Missing <ste:then> in <ste:if>.", $ast->tpl, $ast->offset);
+		}
+		
+		$output .= "\$outputstack[] = \"\";\n\$outputstack_i++;\n";
+		$output .= self::_transcompile($condition);
+		$output .= "\$outputstack_i--;\nif(\$ste->evalbool(array_pop(\$outputstack)))\n{\n";
+		$output .= self::indent_code(self::_transcompile($then));
+		$output .= "\n}\n";
+		if($else !== NULL) {
+			$output .= "else\n{\n";
+			$output .= self::indent_code(self::_transcompile($else));
+			$output .= "\n}\n";
+		}
+		return $output;
+	}
+	private static function builtin_cmp($ast) {
+		$operators = array(
+			array('eq', '=='),
+			array('neq', '!='),
+			array('lt', '<'),
+			array('lte', '<='),
+			array('gt', '>'),
+			array('gte', '>=')
 		);
+		
+		$code = "";
+		
+		if(isset($ast->params["var_b"])) {
+			list($val, $pre) = self::_transcompile($ast->params["var_b"], true);
+			$code .= $pre;
+			$b = '$ste->get_var_by_name(' . $val . ')';
+		} else if(isset($ast->params["text_b"])) {
+			list($b, $pre) = self::_transcompile($ast->params["text_b"], true);
+			$code .= $pre;
+		} else {
+			throw new ParseCompileError("self::Transcompile error: neiter var_b nor text_b set in <ste:cmp>.", $ast->tpl, $ast->offset);
+		}
+		
+		if(isset($ast->params["var_a"])) {
+			list($val, $pre) = self::_transcompile($ast->params["var_a"], true);
+			$code .= $pre;
+			$a = '$ste->get_var_by_name(' . $val . ')';
+		} else if(isset($ast->params["text_a"])) {
+			list($a, $pre) = self::_transcompile($ast->params["text_a"], true);
+			$code .= $pre;
+		} else {
+			throw new ParseCompileError("self::Transcompile error: neiter var_a nor text_a set in <ste:cmp>.", $ast->tpl, $ast->offset);
+		}
+		
+		if(!isset($ast->params["op"])) {
+			throw new ParseCompileError("self::Transcompile error: op not given in <ste:cmp>.", $ast->tpl, $ast->offset);
+		}
+		if((count($ast->params["op"]) == 1) and ($ast->params["op"][0] instanceof TextNode)) {
+			/* Operator is known at compile time, this saves *a lot* of output code! */
+			$op = trim($ast->params["op"][0]->text);
+			$op_php = NULL;
+			foreach($operators as $v) {
+				if($v[0] == $op) {
+					$op_php = $v[1];
+					break;
+				}
+			}
+			if($op_php === NULL) {
+				throw new ParseCompileError("self::Transcompile Error: Unknown operator in <ste:cmp>", $ast->tpl, $ast->offset);
+			}
+			$code .= "\$outputstack[\$outputstack_i] .= (($a) $op_php ($b)) ? 'yes' : '';\n";
+		} else {
+			list($val, $pre) = self::_transcompile($ast->params["op"], true);
+			$code .= $pre . "switch(trim(" . $val . "))\n{\n\t";
+			$code .= implode("", array_map(
+					function($op) use ($a,$b)
+					{
+						list($op_stetpl, $op_php) = $op;
+						return "case '$op_stetpl':\n\t\$outputstack[\$outputstack_i] .= (($a) $op_php ($b)) ? 'yes' : '';\n\tbreak;\n\t";
+					}, $operators
+				));
+			$code .= "default: throw new \\kch42\\ste\\RuntimeError('Unknown operator in <ste:cmp>.');\n}\n";
+		}
+		return $code;
+	}
+	private static function builtin_not($ast) {
+		$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
+		$code .= self::_transcompile($ast->sub);
+		$code .= "\$outputstack_i--;\n\$outputstack[\$outputstack_i] .= (!\$ste->evalbool(array_pop(\$outputstack))) ? 'yes' : '';\n";
+		return $code;
+	}
+	private static function builtin_even($ast) {
+		$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
+		$code .= self::_transcompile($ast->sub);
+		$code .= "\$outputstack_i--;\n\$tmp_even = array_pop(\$outputstack);\n\$outputstack[\$outputstack_i] .= (is_numeric(\$tmp_even) and (\$tmp_even % 2 == 0)) ? 'yes' : '';\n";
+		return $code;
+	}
+	private static function builtin_for($ast) {
+		$code = "";
+		$loopname = self::tempvar("forloop");
+		if(empty($ast->params["start"])) {
+			throw new ParseCompileError("self::Transcompile error: Missing 'start' parameter in <ste:for>.", $ast->tpl, $ast->offset);
+		}
+		list($val, $pre) = self::_transcompile($ast->params["start"], true);
+		$code .= $pre;
+		$code .= "\$${loopname}_start = " . $val . ";\n";
+		
+		if(empty($ast->params["stop"])) {
+			throw new ParseCompileError("self::Transcompile error: Missing 'end' parameter in <ste:for>.", $ast->tpl, $ast->offset);
+		}
+		list($val, $pre) = self::_transcompile($ast->params["stop"], true);
+		$code .= $pre;
+		$code .= "\$${loopname}_stop = " . $val . ";\n";
+		
+		$step = NULL; /* i.e. not known at compilation time */
+		if(empty($ast->params["step"])) {
+			$step = 1;
+		} else if((count($ast->params["step"]) == 1) and ($ast->params["step"][0] instanceof TextNode)) {
+			$step = $ast->params["step"][0]->text + 0;
+		} else {
+			list($val, $pre) = self::_transcompile($ast->params["step"], true);
+			$code .= $pre;
+			$code .= "\$${loopname}_step = " . $val . ";\n";
+		}
+		
+		if(!empty($ast->params["counter"])) {
+			list($val, $pre) = self::_transcompile($ast->params["counter"], true);
+			$code .= $pre;
+			$code .= "\$${loopname}_countername = " . $val . ";\n";
+		}
+		
+		$loopbody = empty($ast->params["counter"]) ? "" : "\$ste->set_var_by_name(\$${loopname}_countername, \$${loopname}_counter);\n";
+		$loopbody .= self::_transcompile($ast->sub);
+		$loopbody = self::indent_code("{\n" . self::loopbody(self::indent_code($loopbody)) . "\n}\n");
+		
+		if($step === NULL) {
+			$code .= "if(\$${loopname}_step == 0)\n\tthrow new \\kch42\\ste\\RuntimeError('step can not be 0 in <ste:for>.');\n";
+			$code .= "if(\$${loopname}_step > 0)\n{\n";
+			$code .= "\tfor(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter <= \$${loopname}_stop; \$${loopname}_counter += \$${loopname}_step)\n";
+			$code .= $loopbody;
+			$code .= "\n}\nelse\n{\n";
+			$code .= "\tfor(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter >= \$${loopname}_stop; \$${loopname}_counter += \$${loopname}_step)\n";
+			$code .= $loopbody;
+			$code .= "\n}\n";
+		} else if($step == 0) {
+			throw new ParseCompileError("self::Transcompile Error: step can not be 0 in <ste:for>.", $ast->tpl, $ast->offset);
+		} else if($step > 0) {
+			$code .= "for(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter <= \$${loopname}_stop; \$${loopname}_counter += $step)\n$loopbody\n";
+		} else {
+			$code .= "for(\$${loopname}_counter = \$${loopname}_start; \$${loopname}_counter >= \$${loopname}_stop; \$${loopname}_counter += $step)\n$loopbody\n";
+		}
+		
+		return $code;
+	}
+	private static function builtin_foreach($ast) {
+		$loopname = self::tempvar("foreachloop");
+		$code = "";
+		
+		if(empty($ast->params["array"])) {
+			throw new ParseCompileError("self::Transcompile Error: array not given in <ste:foreach>.", $ast->tpl, $ast->offset);
+		}
+		list($val, $pre) = self::_transcompile($ast->params["array"], true);
+		$code .= $pre;
+		$code .= "\$${loopname}_arrayvar = " . $val . ";\n";
+		
+		if(empty($ast->params["value"])) {
+			throw new ParseCompileError("self::Transcompile Error: value not given in <ste:foreach>.", $ast->tpl, $ast->offset);
+		}
+		list($val, $pre) = self::_transcompile($ast->params["value"], true);
+		$code .= $pre;
+		$code .= "\$${loopname}_valuevar = " . $val . ";\n";
+		
+		if(!empty($ast->params["key"])) {
+			list($val, $pre) = self::_transcompile($ast->params["key"], true);
+			$code .= $pre;
+			$code .= "\$${loopname}_keyvar = " . $val . ";\n";
+		}
+		
+		if(!empty($ast->params["counter"])) {
+			list($val, $pre) = self::_transcompile($ast->params["counter"], true);
+			$code .= $pre;
+			$code .= "\$${loopname}_countervar = " . $val . ";\n";
+		}
+		
+		$loopbody = "";
+		$code .= "\$${loopname}_array = \$ste->get_var_by_name(\$${loopname}_arrayvar);\n";
+		$code .= "if(!is_array(\$${loopname}_array))\n\t\$${loopname}_array = array();\n";
+		if(!empty($ast->params["counter"])) {
+			$code .= "\$${loopname}_counter = -1;\n";
+			$loopbody .= "\$${loopname}_counter++;\n\$ste->set_var_by_name(\$${loopname}_countervar, \$${loopname}_counter);\n";
+		}
+		
+		$loop = array();
+		$else = array();
+		foreach($ast->sub as $node) {
+			if(($node instanceof TagNode) && ($node->name == "else")) {
+				$else = array_merge($else, $node->sub);
+			} else {
+				$loop[] = $node;
+			}
+		}
+		
+		$loopbody .= "\$ste->set_var_by_name(\$${loopname}_valuevar, \$${loopname}_value);\n";
+		if(!empty($ast->params["key"])) {
+			$loopbody .= "\$ste->set_var_by_name(\$${loopname}_keyvar, \$${loopname}_key);\n";
+		}
+		$loopbody .= "\n";
+		$loopbody .= self::_transcompile($loop);
+		$loopbody = "{\n" . self::loopbody(self::indent_code($loopbody)) . "\n}\n";
+		
+		if(!empty($else)) {
+			$code .= "if(empty(\$${loopname}_array))\n{\n";
+			$code .= self::indent_code(self::_transcompile($else));
+			$code .= "\n}\nelse ";
+		}
+		$code .= "foreach(\$${loopname}_array as \$${loopname}_key => \$${loopname}_value)\n$loopbody\n";
+		
+		return $code;
+	}
+	private static function builtin_infloop($ast) {
+		return "while(true)\n{\n" . self::indent_code(self::loopbody(self::indent_code(self::_transcompile($ast->sub)))) . "\n}\n";
+	}
+	private static function builtin_break($ast) {
+		return "throw new \\kch42\\ste\\BreakException();\n";
+	}
+	private static function builtin_continue($ast) {
+		return "throw new \\kch42\\ste\\ContinueException();\n";
+	}
+	private static function builtin_block($ast) {
+		if(empty($ast->params["name"])) {
+			throw new ParseCompileError("self::Transcompile Error: name missing in <ste:block>.", $ast->tpl, $ast->offset);
+		}
+		
+		$blknamevar = self::tempvar("blockname");
+		
+		list($val, $code) = self::_transcompile($ast->params["name"], true);
+		$code .= "\$${blknamevar} = " . $val . ";\n";
+		
+		$tmpblk = uniqid("", true);
+		$code .= "\$ste->blocks['$tmpblk'] = array_pop(\$outputstack);\n\$ste->blockorder[] = '$tmpblk';\n\$outputstack = array('');\n\$outputstack_i = 0;\n";
+		
+		$code .= self::_transcompile($ast->sub);
+		
+		$code .= "\$ste->blocks[\$${blknamevar}] = array_pop(\$outputstack);\n";
+		$code .= "if(array_search(\$${blknamevar}, \$ste->blockorder) === false)\n\t\$ste->blockorder[] = \$${blknamevar};\n\$outputstack = array('');\n\$outputstack_i = 0;\n";
+		
+		return $code;
+	}
+	private static function builtin_load($ast) {
+		if(empty($ast->params["name"])) {
+			throw new ParseCompileError("self::Transcompile Error: name missing in <ste:load>.", $ast->tpl, $ast->offset);
+		}
+		
+		list($val, $code) = self::_transcompile($ast->params["name"], true);
+		$code .= "\$outputstack[\$outputstack_i] .= \$ste->load(" . $val . ");\n";
+		return $code;
+	}
+	private static function builtin_mktag($ast) {
+		$code = "";
+		
+		if(empty($ast->params["name"])) {
+			throw new ParseCompileError("self::Transcompile Error: name missing in <ste:mktag>.", $ast->tpl, $ast->offset);
+		}
+		
+		$fxbody = "\$outputstack = array(''); \$outputstack_i = 0;\$ste->set_local_var('_tag_parameters', \$params);\n";
+		
+		list($tagname, $tagname_pre) = self::_transcompile($ast->params["name"], true);
+		
+		$usemandatory = "";
+		if(!empty($ast->params["mandatory"])) {
+			$usemandatory = " use (\$mandatory_params)";
+			$code .= "\$outputstack[] = '';\n\$outputstack_i++;\n";
+			$code .= self::_transcompile($ast->params["mandatory"]);
+			$code .= "\$outputstack_i--;\n\$mandatory_params = explode('|', array_pop(\$outputstack));\n";
+			
+			$fxbody .= "foreach(\$mandatory_params as \$mp)\n{\n\tif(!isset(\$params[\$mp]))\n\t\tthrow new \\kch42\\ste\\RuntimeError(\"\$mp missing in <ste:\" . $tagname . \">.\");\n}";
+		}
+		
+		$fxbody .= self::_transcompile($ast->sub);
+		$fxbody .= "return array_pop(\$outputstack);";
+		
+		$code .= "\$tag_fx = \$ste->make_closure(function(\$ste, \$params, \$sub)" . $usemandatory . "\n{\n" . self::indent_code($fxbody) . "\n});\n";
+		$code .= $tagname_pre;
+		$code .= "\$ste->register_tag($tagname, \$tag_fx);\n";
+		
+		return $code;
+	}
+	private static function builtin_tagcontent($ast) {
+		return "\$outputstack[\$outputstack_i] .= \$sub(\$ste);";
+	}
+	private static function builtin_set($ast) {
+		if(empty($ast->params["var"])) {
+			throw new ParseCompileError("self::Transcompile Error: var missing in <ste:set>.", $ast->tpl, $ast->offset);
+		}
+		
+		$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
+		$code .= self::_transcompile($ast->sub);
+		$code .= "\$outputstack_i--;\n";
+		
+		list($val, $pre) = self::_transcompile($ast->params["var"], true);
+		$code .= $pre;
+		$code .= "\$ste->set_var_by_name(" . $val . ", array_pop(\$outputstack));\n";
+		
+		return $code;
+	}
+	private static function builtin_setlocal($ast) {
+		if(empty($ast->params["var"])) {
+			throw new ParseCompileError("self::Transcompile Error: var missing in <ste:set>.", $ast->tpl, $ast->offset);
+		}
+		
+		$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
+		$code .= self::_transcompile($ast->sub);
+		$code .= "\$outputstack_i--;\n";
+		
+		list($val, $pre) = self::_transcompile($ast->params["var"], true);
+		$code .= $pre;
+		$code .= "\$ste->set_local_var(" . $val . ", array_pop(\$outputstack));\n";
+		
+		return $code;
+	}
+	private static function builtin_get($ast) {
+		if(empty($ast->params["var"])) {
+			throw new ParseCompileError("self::Transcompile Error: var missing in <ste:get>.", $ast->tpl, $ast->offset);
+		}
+		
+		list($val, $pre) = self::_transcompile($ast->params["var"],  true);
+		return "$pre\$outputstack[\$outputstack_i] .= \$ste->get_var_by_name(" . $val . ");";
+	}
+	private static function builtin_calc($ast) {
+		$code = "\$outputstack[] = '';\n\$outputstack_i++;\n";
+		$code .= self::_transcompile($ast->sub);
+		$code .= "\$outputstack_i--;\n\$outputstack[\$outputstack_i] .= \$ste->calc(array_pop(\$outputstack));\n";
+		
+		return $code;
 	}
 	
 	private static function indent_code($code) {
@@ -399,9 +417,7 @@ class Transcompiler {
 					$text_and_var_buffer = array();
 				}
 				if(isset(self::$builtins[$node->name])) {
-					/* PHP's parser fails once again... Apparently we cannot call a function from an array that is a static property */
-					$func = self::$builtins[$node->name];
-					$code .= $func($node);
+					$code .= call_user_func(self::$builtins[$node->name], $node);
 				} else {
 					$paramarray = self::tempvar("parameters");
 					$code .= "\$$paramarray = array();\n";