/// <summary>
///
/// </summary>
/// <param name="cont"></param>
/// <param name="actuals"></param>
/// <returns></returns>
public override SYMBOL_INFO Execute(RUNTIME_CONTEXT cont, ArrayList actuals)
{
ArrayList vars = new ArrayList();
int i = 0;
FRAME ft = new FRAME();
if (m_formals != null && actuals != null)
{
i = 0;
foreach (SYMBOL_INFO b in m_formals)
{
SYMBOL_INFO inf = actuals[i] as SYMBOL_INFO;
inf.SymbolName = b.SymbolName;
cont.TABLE.Add(inf);
i++;
}
}
foreach (Stmt e1 in m_statements)
{
return_value = e1.Execute(cont);
if (return_value != null)
{
return(return_value);
}
}
return(null);
}
public override SYMBOL_INFO GenerateJS(RUNTIME_CONTEXT cont, ArrayList formals)
{
ArrayList vars = new ArrayList();
int i = 0;
FRAME ft = new FRAME();
Console.Write("function " + m_name + "( ");
if (m_formals != null)
{
i = 0;
foreach (SYMBOL_INFO b in m_formals)
{
// SYMBOL_INFO inf = m_formals[i] as SYMBOL_INFO;
// inf.SymbolName = b.SymbolName;
if (i == m_formals.Count - 1)
{
Console.Write(b.SymbolName + "");
}
else
{
Console.Write(b.SymbolName + ",");
}
// cont.TABLE.Add(inf);
i++;
}
}
Console.Write(" ) {\r\n");
///////////////////////
//
// The flag given below detects whether there
// is a return value at the top most level
// (also called topmost block )
bool return_found = false;
////////////////////////////
// Iterate through the statements list and
// Generate Code....
//
foreach (Stmt e1 in m_statements)
{
///////////////////////////
//
// Found a return value , set the flag to
// true.
//
if (e1 is ReturnStatement)
{
return_found = true;
}
e1.GenerateJS(cont);
}
if (return_found == false)
{
Console.Write("\r\n//---- Translator installed return\r\n ");
if (this.TYPE == TYPE_INFO.TYPE_BOOL)
{
Console.Write("return false; \r\n");
}
else if (this.TYPE == TYPE_INFO.TYPE_NUMERIC)
{
Console.Write("return 0;\r\n");
}
else if (this.TYPE == TYPE_INFO.TYPE_STRING)
{
Console.Write("return \"\";\r\n");
}
}
Console.Write("\r\n } \r\n");
return(null);
}