/// <summary>
/// Generates the code for a ForLoopStatement node.
/// </summary>
/// <param name="fls">The ForLoopStatement node.</param>
/// <returns>String containing C# code for ForLoopStatement fls.</returns>
string GenerateForLoopStatement(ForLoopStatement fls)
{
StringBuilder retVal = new StringBuilder();
int comma = fls.kids.Count - 1; // tells us whether to print a comma
// It's possible that all we have is an empty Ident, for example:
//
// for (x; x < 10; x++) { ... }
//
// Which is illegal in C# (MONO). We'll skip it.
if (fls.kids.Top is IdentExpression && 1 == fls.kids.Count)
return "";
for (int i = 0; i < fls.kids.Count; i++)
{
SYMBOL s = (SYMBOL) fls.kids[i];
// Statements surrounded by parentheses in for loops
//
// e.g. for ((i = 0), (j = 7); (i < 10); (++i))
//
// are legal in LSL but not in C# so we need to discard the parentheses
//
// The following, however, does not appear to be legal in LLS
//
// for ((i = 0, j = 7); (i < 10); (++i))
//
// As of Friday 20th November 2009, the Linden Lab simulators appear simply never to compile or run this
// script but with no debug or warnings at all! Therefore, we won't deal with this yet (which looks
// like it would be considerably more complicated to handle).
while (s is ParenthesisExpression)
s = (SYMBOL) s.kids.Pop();
retVal.Append(GenerateNode(s));
if (0 < comma--)
retVal.Append(Generate(", "));
}
return retVal.ToString();
}
public ForLoopStatement(Parser yyp, ForLoopStatement fls, Expression e) : base((yyp))
{
while (0 < fls.kids.Count) kids.Add(fls.kids.Pop());
kids.Add(e);
}
public ForLoopStatement(Parser yyp, ForLoopStatement fls, SimpleAssignment sa) : base((yyp))
{
while (0 < fls.kids.Count) kids.Add(fls.kids.Pop());
kids.Add(sa);
}
public ForLoop(Parser yyp, ForLoopStatement flsa, Expression e, ForLoopStatement flsb, Statement s)
: base((yyp))
{
kids.Add(flsa);
kids.Add(e);
kids.Add(flsb);
if (0 < s.kids.Count && s.kids.Top is CompoundStatement) kids.Add(s.kids.Pop());
else kids.Add(s);
}