public void Assign(string variable, ProgNodeValue value, int index)
{
SymbolTableRec record = GetSymbolTableRec(variable);
if (record != null)
{
record.Assign(value, index);
}
}
public SymbolTableRec GetSymbolTableRec(string variable)
{
SymbolTableRec symTableRec = null;
if (scope.TryGetValue(variable, out SymbolTableRec record))
{
symTableRec = record;
}
return(symTableRec);
}
/// <summary>
/// GetSymbolTableRec() - Starts at the top of the stack and searches <br/>
/// for the first instance of the target variable within the scope. <br/>
/// If the variable is found a symbol table records is returned. If <br/>
/// the variable is not found a null is returned.
/// </summary>
/// <param name="variable"></param>
/// <returns></returns>
public SymbolTableRec GetSymbolTableRec(string variable)
{
int scope = activeScope;
SymbolTableRec symTableRec = SymTable[scope].GetSymbolTableRec(variable);
while ((symTableRec == null) && (--scope >= 0))
{
symTableRec = SymTable[scope].GetSymbolTableRec(variable);
}
return(symTableRec);
}