/**
* Compiles the node
*
* @param Context $context The context
* @param array|null $arguments Array of arguments
* @param boolean|null $important Important flag
* @return Node
* @throws CompilerException
*/
public function compile(Context $context, $arguments = null, $important = null)
{
$name = $this->name;
if (strpos($name, '@@') === 0) {
$v = new VariableNode(substr($name, 1), $this->index, $this->currentFileInfo);
$name = '@' . $v->compile($context)->value;
}
if ($this->evaluating) {
throw new CompilerException(sprintf('Recursive variable definition for %s', $name), $this->index, $this->currentFileInfo);
}
$this->evaluating = true;
$variable = null;
// variables from the API take precedence
if ($context->customVariables && ($v = $context->customVariables->variable($name))) {
$variable = $v->value->compile($context);
} else {
// search for the variable
foreach ($context->frames as $frame) {
/* @var $frame RulesetNode */
if ($v = $frame->variable($name)) {
/* @var $v RuleNode */
if ($v->important) {
$importantScope =& $context->importantScope[count($context->importantScope) - 1];
$importantScope['important'] = $v->important;
}
$variable = $v->value->compile($context);
break;
}
}
}
if ($variable) {
$this->evaluating = false;
return $variable;
} else {
throw new CompilerException(sprintf('variable %s is undefined', $name), $this->index, $this->currentFileInfo);
}
}
/**
* Compiles the node
*
* @param Context $context The context
* @param array|null $arguments Array of arguments
* @param boolean|null $important Important flag
* @return Node
*/
public function compile(Context $context, $arguments = null, $important = null)
{
$variable = new VariableNode($this->variable);
$detachedRuleset = $variable->compile($context);
return $detachedRuleset->callCompile($context);
}
