public function compile(Compiler $compiler, OperatorNode $node)
{
$operand = $node->getChild(OperatorNode::OPERAND_LEFT);
if ($this->isPropertyAccessOperator($operand)) {
$root = $operand;
while ($this->isPropertyAccessOperator($root)) {
$root = $root->getChild(OperatorNode::OPERAND_LEFT);
}
if ($root instanceof VariableNode) {
$compiler->add('isset(')->compileNode($root)->add(') && ');
}
$operand->addData('mode', 'has');
$operand->compile($compiler);
} elseif ($operand instanceof ArrayIndexNode) {
$variable = $operand->getChild('identifier');
$keys = [$operand->getChild('key')];
while ($variable instanceof ArrayIndexNode) {
/** @var $right OperatorNode */
$keys[] = $variable->getChild('key');
$variable = $variable->getChild('identifier');
}
$arguments = [$variable, array_reverse($keys)];
$compiler->add('isset(')->compileNode($variable)->add(') && $context->hasProperty')->compileArgumentList($arguments);
} else {
$compiler->add('isset(')->compileNode($operand)->add(')');
}
}
public function compile(Compiler $compiler, OperatorNode $node)
{
//if(sign($left) != sign($right))
$compiler->add('((')->compileNode($node->getChild(OperatorNode::OPERAND_LEFT))->add(' < 0 && ')->compileNode($node->getChild(OperatorNode::OPERAND_RIGHT))->add(' > 0) || (')->compileNode($node->getChild(OperatorNode::OPERAND_RIGHT))->add(' < 0 && ')->compileNode($node->getChild(OperatorNode::OPERAND_LEFT))->add(' > 0)');
//then $right + $left % right
$compiler->add(' ? (')->compileNode($node->getChild(OperatorNode::OPERAND_RIGHT))->add(' + ')->compileNode($node->getChild(OperatorNode::OPERAND_LEFT))->add(' % ')->compileNode($node->getChild(OperatorNode::OPERAND_RIGHT))->add(')');
//else $left % $right
$compiler->add(': (')->compileNode($node->getChild(OperatorNode::OPERAND_LEFT))->add(' % ')->compileNode($node->getChild(OperatorNode::OPERAND_RIGHT))->add('))');
}
public function createNode(Node $left = null, Node $right = null, Node $middle = null)
{
$node = new OperatorNode($this);
if ($left) {
$node->addChild($left, OperatorNode::OPERAND_LEFT);
}
if ($middle) {
$node->addChild($middle, OperatorNode::OPERAND_MIDDLE);
}
if ($right) {
$node->addChild($right, OperatorNode::OPERAND_RIGHT);
}
return $node;
}
public function compile(Compiler $compiler, OperatorNode $node)
{
$data = $node->getChild(OperatorNode::OPERAND_LEFT);
$filter = $node->getChild(OperatorNode::OPERAND_RIGHT);
if ($filter instanceof FunctionNode) {
$arguments = $filter->getArguments();
array_unshift($arguments, $data);
$filter->setArguments($arguments);
} elseif ($filter instanceof IdentifierNode && !$filter instanceof VariableNode) {
$filter = new FunctionNode($filter->getData('name'), [$data]);
} else {
throw new ParseException('Invalid filter node.');
}
$filter->compile($compiler);
}
/**
* @param OperatorNode $node
*
* @return string
*/
private function getMethodName(OperatorNode $node)
{
if ($node->hasData('mode')) {
$mode = $node->getData('mode');
} else {
$mode = 'get';
}
switch ($mode) {
case 'has':
return 'hasProperty';
default:
case 'get':
return 'getProperty';
case 'set':
return 'setProperty';
}
}
public function compile(Compiler $compiler, OperatorNode $node)
{
$compiler->compileNode(new FunctionNode($this->getFunctionName(), $node->getChildren()));
}
public function compile(Compiler $compiler, OperatorNode $node)
{
$compiler->add('(--')->compileNode($node->getChild(OperatorNode::OPERAND_RIGHT))->add(')');
}
public function compile(Compiler $compiler, OperatorNode $node)
{
$compiler->add('(')->compileNode($node->getChild(OperatorNode::OPERAND_LEFT))->add(' % 2 == 0)');
}
/**
* @param OperatorNode $node
*
* @return bool
*/
private function isFilterSafe(OperatorNode $node)
{
if ($this->functionLevel++ === 0) {
return $this->isFunctionSafe($node->getChild(OperatorNode::OPERAND_RIGHT));
}
return true;
}
public function compile(Compiler $compiler, OperatorNode $node)
{
$compiler->add('range(')->compileNode($node->getChild(OperatorNode::OPERAND_LEFT))->add(', ')->compileNode($node->getChild(OperatorNode::OPERAND_RIGHT))->add(' - 1)');
}