override public void Visit(AST_print_statement print_statement)
{
base.Visit(print_statement);
if (print_statement.Expression.DataType == bool_type)
{
Error("Print statement requires int or string type.", print_statement.Expression);
}
}
private AST_print_statement Parse_print_statement()
{
IncrementDepth();
DebugPrint("print_statement");
AST_print_statement print_statement;
Match(print_Keyword);
print_statement = new AST_print_statement(Parse_expression(Semicolon));
DecrementDepth();
return(print_statement);
}
public virtual void Visit(AST_print_statement print_statement)
{
IncrementDepth();
print_statement.Expression.Accept(this);
DecrementDepth();
}
override public void Visit(AST_print_statement print_statement)
{
print_statement.Expression.Accept(evaluateVisitor);
Console.WriteLine(evaluateVisitor.Value.ToString());
}
