public WhileNode(Node _condition, Node _block, int _line)
{
linenumber = _line;
condition = _condition;
block = _block as BlockNode;
if (block is null)
{
Console.WriteLine($"line {linenumber} error: syntax error");
errors++;
}
else
{
block.SetRefForWhile(this);
continueJump = $"{block.blockId}_cont";
breakJump = $"{block.blockId}_break";
}
}