public Program Compile(string input)
{
ErrorRecord = new ErrorRecord(input);
var parser = new Parser();
var program = (Program)parser.Parse(new Tokenizer(input), ErrorRecord);
if (program == null)
{
return(null);
}
var result = program.CheckType();
if (result.HasError)
{
ErrorRecord.AddSemanticError(result);
return(null);
}
return(program);
}