public static void rExist()
{
SAR top_sar = SAS.Pop();
SAR LHS = SAS.Peek();
bool this_ = false;
string scope = top_sar.scope;
if (SAS.Count > 0)
{
if (SAS.Peek().value != "this")
{
top_sar.classType = SAS.Pop().dataType;
}
else
{
this_ = true;
string[] temp = top_sar.scope.Split('.');
top_sar.classType = temp[temp.Length - 1];
SAS.Pop();
}
}
else
{
SemanticError(top_sar);
}
Symbol symbol;
if ((symbol = SymbolTable.rExists(top_sar)) == null)
{
SemanticError(top_sar);
}
if (symbol.data != null) //not a class
{
if ((symbol.data[symbol.data.Length - 1] == "accessMod:public") || this_) //member is public
{
top_sar.dataType = symbol.data[0].Split(':')[1];
top_sar.dataType.Trim();
top_sar.sarType = SAR.SARtype.Ref;
top_sar.symid = "t" + uniqueCounter++;
top_sar.scope = "t";
string[] data = { "returnType:" + top_sar.dataType, "accessMod:private" };
if (symbol.kind == "method")
{
ICode.FRAME(symbol.symid, LHS.symid);
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);
ICode.PEEK(top_sar.symid);
}
else
{
top_sar.symid += "r";
if (LHS.value == "this")
{
LHS.symid = "this";
}
ICode.REF(LHS.symid, symbol.symid, top_sar.symid);
}
Symbol temp = new Symbol(top_sar.scope, top_sar.symid, "t" + top_sar.value, "tvar", data);
SymbolTable.Add(temp);
SAS.Push(top_sar);
return;
}
else
{
SemanticPrivateError(top_sar);
}
}
/*if (SymbolTable.ContainsValue(scope + "." + top_sar.value))
* {
* Symbol symbol = SymbolTable.GetValue(SymbolTable.GetSymid(scope + "." + top_sar.value));
* if (symbol.data != null) //not a class
* {
* if (symbol.data[symbol.data.Length - 1]=="accessMod:public") //member is public
* {
* top_sar.dataType = symbol.data[0].Split(':')[1];
* top_sar.dataType.Trim();
* if (symbol.data.Length == 3)
* {
* top_sar.paramType = symbol.data[1];
* }
* top_sar.sarType = SAR.SARtype.Ref;
* SAS.Push(top_sar);
* return;
* }
* }
* }*/
SemanticError(top_sar);
}
