public static void iExist()
{
SAR top_sar = SAS.Pop();
if (top_sar.value == "this")
{
SAS.Push(top_sar);
return;
}
string args = "";
if (top_sar.argList.Count != 0)
{
args = top_sar.argList[0];
for (int i = 1; i < top_sar.argList.Count; ++i)
{
args += "," + top_sar.argList[i];
}
}
top_sar.paramType = args;
string symid = SymbolTable.iExists(top_sar);
if (symid == null || !SymbolTable.ContainsSymid(symid))
{
SemanticError(top_sar);
}
Symbol symbol = SymbolTable.GetValue(symid);
if (symbol.data != null)
{
top_sar.dataType = symbol.data[0].Split(':')[1];
top_sar.dataType.Trim();
}
top_sar.paramType = symbol.parameters;
top_sar.symid = symbol.symid;
if (symbol.kind == "method")
{
ICode.FRAME(symbol.symid, "this");
if (symbol.parameters != null && symbol.parameters != "")
{
for (int i = 0; i < top_sar.argList.Count; ++i)
{
ICode.PUSH(top_sar.argList[i]);
}
}
ICode.CALL(symbol.symid);
Symbol temp = new Symbol("t", "t" + uniqueCounter++, "t_" + symbol.value + "_ReturnValue", "tvar", symbol.data);
SymbolTable.Add(temp);
top_sar.symid = temp.symid;
if (symbol.data[0].Split(':')[1] != "void" && symbol.data[0].Split(':')[1] != "null")
{
ICode.PEEK(temp.symid);
}
}
SAS.Push(top_sar);
}
