protected final function visitOffsetGet(O\Expression $expression)
{
$requestId = $this->getId('offset-get');
$indexId = $this->getId('offset-get-index');
if ($expression instanceof O\MethodCallExpression) {
$this->interpretation->interpretOffsetGet($requestId, $indexId, $this->getArgumentValueAt(0, $expression));
} elseif ($expression instanceof O\IndexExpression) {
$this->interpretation->interpretOffsetGet($requestId, $indexId, $this->getValue($expression->getIndex()));
} else {
throw new PinqException('Cannot interpret offset get request: invalid expression type, expecting %s, %s given', O\MethodCallExpression::getType() . ' or ' . O\IndexExpression::getType(), $expression->getType());
}
$this->interpretSourceAsScope($expression);
}
public function visitIndex(O\IndexExpression $expression)
{
$this->walk($expression->getValue());
$this->walk($expression->getIndex());
$this->addTypeOperation($expression, $this->analysis[$expression->getValue()]->getIndex($expression));
}
protected function visitIndex(O\IndexExpression $expression)
{
$valueExpression = $expression->getValue();
if (!$valueExpression instanceof O\VariableExpression || !$valueExpression->getName() instanceof O\ValueExpression) {
throw new PinqDemoSqlException('Variable indexer is not supported');
}
$index = $expression->getIndex()->getValue();
$this->sql .= $this->query->tableName . '.' . $index;
}
protected final function visitOffsetSet(O\Expression $expression)
{
if ($expression instanceof O\MethodCallExpression) {
$index = $this->getArgumentValueAt(0, $expression);
$value = $this->getArgumentValueAt(1, $expression);
$sourceExpression = $expression;
} elseif ($expression instanceof O\AssignmentExpression) {
$sourceExpression = $expression->getAssignTo();
if ($sourceExpression instanceof O\IndexExpression) {
$index = $this->getValue($sourceExpression->getIndex());
$value = $this->getValue($expression->getAssignmentValue());
} else {
throw new PinqException('Cannot interpret set index operation: invalid source expression type, expecting %s, %s given', O\IndexExpression::getType(), $expression->getType());
}
} else {
throw new PinqException('Cannot interpret set index operation: invalid expression type, expecting %s, %s given', O\MethodCallExpression::getType() . ' or ' . O\AssignmentExpression::getType(), $expression->getType());
}
$this->interpretation->interpretOffsetSet($this->getId('offset-set'), $this->getId('set-index'), $index, $this->getId('set-value'), $value);
$this->interpretSourceAsScope($sourceExpression);
}
