27        parent::__construct();
 
   32        $tags = $filters = $functions = array();
 
   33        foreach (array(
'tags', 
'filters', 
'functions') as 
$type) {
 
   34            foreach ($this->{
'used'.ucfirst($type)} as 
$name => $node) {
 
   38                    ${
$type}[$node] = 
null;
 
   44            ->
write(
'$tags = ')->repr(array_filter(
$tags))->raw(
";\n")
 
   45            ->write(
'$filters = ')->repr(array_filter($filters))->raw(
";\n")
 
   46            ->write(
'$functions = ')->repr(array_filter($functions))->raw(
";\n\n")
 
   49            ->write(
"\$this->env->getExtension('Twig_Extension_Sandbox')->checkSecurity(\n")
 
   51            ->write(!
$tags ? 
"array(),\n" : 
"array('".implode(
"', '", array_keys(
$tags)).
"'),\n")
 
   52            ->write(!$filters ? 
"array(),\n" : 
"array('".implode(
"', '", array_keys($filters)).
"'),\n")
 
   53            ->write(!$functions ? 
"array()\n" : 
"array('".implode(
"', '", array_keys($functions)).
"')\n")
 
   57            ->write(
"} catch (Twig_Sandbox_SecurityError \$e) {\n")
 
   59            ->write(
"\$e->setSourceContext(\$this->getSourceContext());\n\n")
 
   60            ->write(
"if (\$e instanceof Twig_Sandbox_SecurityNotAllowedTagError && isset(\$tags[\$e->getTagName()])) {\n")
 
   62            ->write(
"\$e->setTemplateLine(\$tags[\$e->getTagName()]);\n")
 
   64            ->write(
"} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFilterError && isset(\$filters[\$e->getFilterName()])) {\n")
 
   66            ->write(
"\$e->setTemplateLine(\$filters[\$e->getFilterName()]);\n")
 
   68            ->write(
"} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFunctionError && isset(\$functions[\$e->getFunctionName()])) {\n")
 
   70            ->write(
"\$e->setTemplateLine(\$functions[\$e->getFunctionName()]);\n")
 
   73            ->write(
"throw \$e;\n")
 
   80class_alias(
'Twig_Node_CheckSecurity', 
'Twig\Node\CheckSecurityNode', 
false);
 
An exception for terminatinating execution or to throw for unit testing.
Compiles a node to PHP code.
write()
Writes a string to the compiled code by adding indentation.
compile(Twig_Compiler $compiler)
Compiles the node to PHP.
__construct(array $usedFilters, array $usedTags, array $usedFunctions)
Represents a node in the AST.