public FunctionElement(string value, int flag) : base(value, flag)
{
FunctionStruct fun = splitFunction(value);
List <List <Element> > elements = new List <List <Element> >();
foreach (string s in fun.paras)
{
elements.Add(construct(s));
}
this.paras = elements;
this.value = fun.funname;
}
private FunctionStruct splitFunction(string code)
{
int splitpoint = code.IndexOf('(');
FunctionStruct res = new FunctionStruct();
res.funname = code.Substring(0, splitpoint);
res.paras = new List <string>();
string data = code.Substring(splitpoint + 1, code.Length - splitpoint - 2);
int parenthesis = 0, previndex = 0, i = 0;
for (; i < data.Length; i++)
{
if (data[i] == '(')
{
parenthesis++;
}
else if (data[i] == ')')
{
parenthesis--;
}
if (data[i] == ',' && parenthesis == 0)
{
res.paras.Add(data.Substring(previndex, i - previndex));
previndex = i + 1;
}
else if (data[i] == '"')
{
int j = i + 1;
for (; j < data.Length && !(data[j] == '"' && data[j - 1] != '\\'); j++)
{
}
i = (j >= data.Length - 1) ? data.Length - 1: j + 1;
}
if (parenthesis < 0)
{
throw new SyntaxErrorException("括号不匹配");
}
}
res.paras.Add(data.Substring(previndex, i - previndex));
return(res);
}
