public Ast.Code ParseCode()
{
var code = new Ast.Code
{
Statements = new List <Ast.IStatement>()
};
while (!CurTokenIs(TokenType.Eof))
{
var statement = ParseStatement();
if (statement != null)
{
code.Statements.Add(statement);
}
NextToken();
}
return(code);
}
private static IObject EvalCode(Ast.Code code, Environment env)
{
IObject result = null;
foreach (var s in code.Statements)
{
result = Eval(s, env);
if (result == null)
{
continue;
}
if (result.getType() == Type.Return)
{
return(((Return)result).Value);
}
else if (result.getType() == Type.Error)
{
return(result);
}
}
return(result);
}