public FunctionCall createClone(FunctionCall parent = null)
{
FunctionCall result = new FunctionCall();
result.Identifier = Identifier;
result.Parent = parent;
result.Arguments = new List<FunctionCall>();
foreach (FunctionCall fc in Arguments)
{
result.Arguments.Add(fc.createClone(result));
}
return result;
}
public void AddArgument(FunctionCall call)
{
Arguments.Add(call);
call.Parent = this;
}
/// <summary>
/// input is something like this: f(g(h(a,b,c),d,g),n,o(x,y),p)
/// and result will be: f-> g->
/// n h-> a
/// o d b
/// p g c
/// </summary>
/// <param name="txt"></param>
/// <returns></returns>
public static List<FunctionCall> ExtractNestedFunctionCalls(string txt)
{
List<FunctionCall> result = new List<FunctionCall>();
FunctionCall currentCall = new FunctionCall();
string currentIdentifier = "";
for (int i = 0; i < txt.Length; i++)
{
string chr = txt[i].ToString();
if (chr == "(")
{
currentCall.Identifier = currentIdentifier;
string exp = extractBracketExpression(txt, ref i);
foreach (FunctionCall fc in ExtractNestedFunctionCalls(exp))
{
currentCall.AddArgument(fc);
}
result.Add(currentCall);
currentIdentifier = "";
currentCall = new FunctionCall();
//bypass closing bracket
i++;
}
else if (chr == ",")
{
if (currentIdentifier != "")
{
currentCall.Identifier = currentIdentifier;
result.Add(currentCall);
currentIdentifier = "";
currentCall = new FunctionCall();
}
}
else
{
currentIdentifier += chr;
}
}
if (currentIdentifier != "")
{
currentCall.Identifier = currentIdentifier;
result.Add(currentCall);
}
return result;
}