private ProgramNode program()
{
SymbolTable.CreateGlobalScope();
statementList();
StatementListNode statementListNode = (StatementListNode)_stack.Pop();
ProgramNode program = new ProgramNode(statementListNode.Statements, _filename);
return(program);
}
private void statementList()
{
int line = _line;
int position = _position;
List <Node> statements = new List <Node>();
while (statement())
{
statements.Add(_stack.Pop());
}
StatementListNode node = new StatementListNode(statements, _filename, line, position);
_stack.Push(node);
}