private static FunctionCallNode ParseArguments(ReadParams p, Span funcNameSpan, string funcName, Definition funcDef)
{
var funcCallNode = new FunctionCallNode(p.Statement, funcNameSpan, funcName, funcDef);
var code = p.Code;
var resetPos = code.Position;
var commaExpected = false;
var closed = false;
var argIndex = 0;
var args = new List <GroupNode>();
var argDefs = funcDef.Arguments.ToArray();
if (code.ReadExact(')'))
{
closed = true;
}
else
{
while (!code.EndOfFile)
{
if (commaExpected)
{
if (code.ReadExact(')'))
{
closed = true;
break;
}
if (!code.ReadExact(','))
{
code.Position = resetPos;
return(null);
}
commaExpected = false;
}
else
{
var argDef = argDefs != null && argIndex < argDefs.Length ? argDefs[argIndex] : null;
var arg = ExpressionNode.Read(p, argDef != null ? argDef.DataType : null, ",", ")");
if (arg != null)
{
funcCallNode.AddArgument(arg);
}
commaExpected = true;
argIndex++;
}
}
}
if (!closed)
{
code.Position = resetPos;
return(null);
}
//if (argDefs.Length != funcCallNode.NumArguments)
//{
// code.Position = resetPos;
// return null;
//}
return(funcCallNode);
}
