private static string GetClassName(IASTNode querySource)
{
switch (querySource.Type)
{
case HqlSqlWalker.IDENT:
return(querySource.Text);
case HqlSqlWalker.DOT:
return(BuildPath(querySource));
default:
// TODO
throw new NotSupportedException($"{querySource.ToString()} {querySource.ToStringTree()}");
}
}
public static void TestParser()
{
string s = "(996 + 1.2 - 6 * (prev - 1) / prev - 3 * 5 * 13.6 / ext / k)";
StringReader reader = new StringReader(s);
TokenStream ts = new TokenStream(reader);
ts.AddTokenizers(
new IdTokenizer(),
new DecimalTokenizer(),
new DigitTokenizer(),
new StringTokenizer(),
new NameTokenizer()
);
Parser parser = CreateProgramParser();
NestedEnv env = Buildin.CreateBuindinEnv();
List <IASTNode> res = new List <IASTNode>();
Console.Write(">>> ");
while ((s = Console.ReadLine()) != ".exit")
{
ts.Reset(new StringReader(s));
if (!parser.Parse(ts, res) || res.Count == 0)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Parse failed");
Console.ResetColor();
}
else
{
IASTNode node = res[0].Reduce();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Parse succeeded");
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine(node.ToString());
Console.ResetColor();
string result = node.GetValue(null, env).ToString();
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine("==> " + result);
Console.ResetColor();
//PrintAST(node);
}
res.Clear();
Console.Write(">>> ");
}
}
public void Replace(IASTNode originalNode, IASTNode replace)
{
if (!InnerList.Contains(originalNode))
{
throw new ArgumentException("Tried to replace inexistent node " + originalNode.ToString());
}
int index = InnerList.IndexOf(originalNode);
InnerList.RemoveAt(index);
if (replace != null)
{
PrepareNode(replace);
InnerList.Insert(index, replace);
}
}
public override string AsString() => "(" + string.Join(", ", Params) + ") => " + Body.ToString();
