/// <summary>
/// Create an instance of Symbol Table
/// </summary>
public RUNTIME_CONTEXT(TModule Pgrm)
{
m_dt = new SymbolTable();
_prog = Pgrm;
}
/// <summary>
///
/// </summary>
/// <param name="cont"></param>
/// <returns></returns>
public override SYMBOL_INFO Evaluate(RUNTIME_CONTEXT cont)
{
if (m_proc != null)
{
//
// This is a Ordinary Function Call
//
//
RUNTIME_CONTEXT ctx = new RUNTIME_CONTEXT(cont.GetProgram());
ArrayList lst = new ArrayList();
//TYPE_INFO clsrcall;
foreach (Exp ex in m_actuals)
{
lst.Add(ex.Evaluate(cont));
}
SymbolTable x = cont.TABLE;
///for closure function
/// use the previous/saved the symbol table(context) when the clouser function call for the second time :)
if (m_proc.clossure != null)
{
TModule.ClosureSymbol++;
// for the function(variable) closure function
if (TModule.ClosureSymbol < 2 || TModule.PrewFun != m_proc.Name)
{
//if (m_proc.IsVariable == true && (TModule.ClosureSymbol >= 2))
//{ return m_proc.clossure.Execute(Procedure.ClosureMentain, lst); }
Procedure.ClosureMentain = ctx;
m_proc.Execute(ctx, lst);
TModule.PrewFun = m_proc.Name;
return(m_proc.clossure.Execute(ctx, lst));
}
TModule.PrewFun = m_proc.Name;
return(m_proc.clossure.Execute(Procedure.ClosureMentain, lst));
//}
//else
// return m_proc.clossure.Execute(ctx, lst);
}
return(m_proc.Execute(ctx, lst));
}
else
{
// Recursive function call...by the time we
// reach here..whole program has already been
// parsed. Lookup the Function name table and
// resolve the Address
//
//
m_proc = cont.GetProgram().Find(_procname);
// note GetProgram() return the module
RUNTIME_CONTEXT ctx = new RUNTIME_CONTEXT(cont.GetProgram());
ArrayList lst = new ArrayList();
foreach (Exp ex in m_actuals)
{
lst.Add(ex.Evaluate(cont));
}
return(m_proc.Execute(ctx, lst));
}
}
/// <summary>
/// Create an instance of Symbol Table
/// </summary>
public COMPILATION_CONTEXT()
{
m_dt = new SymbolTable();
}