visitForIn method

Implementation

@override
visitForIn(ForInStatement node) {
  dynamic right = getValueFromNode(node.right);
  dynamic left = node.left.visitBy(this);
  if (right is! Map) {
    throw JSException(node.line ?? 1,
        'for...in is only allowed for js objects or maps. $right is not a map',
        detailedError: 'Code: ${getCode(node)}');
  }
  if (left is! Name) {
    throw JSException(node.line ?? 1,
        'left side in the for...in expression must be a name node. $node.left is not name',
        detailedError: 'Code: ${getCode(node)}');
  }
  Map map = right;
  for (dynamic key in map.keys) {
    addToContext(left, key);
    try {
      node.body.visitBy(this);
    } on ControlFlowBreakException catch (e) {
      break;
    } on ControlFlowContinueException catch (e) {
      continue;
    }
  }
  //removeFromContext(left);
}