TreeNode getRandomFunction()
{
int rand = random.Next(4);
TreeNode ret;
switch (rand)
{
case 0: ret = new IfFoodAhead(); break;
case 1: ret = new Progn2(); break;
case 2: ret = new Progn3(); break;
case 3: ret = new IfWallAhead(); break;
default: ret = new IfFoodAhead(); break;
}
return(ret);
}
private void Initialize()
{
var ifFoodAhead = new IfFoodAhead();
var prog2 = new Prog2();
var prog3 = new Prog3();
var move = new Move();
var left = new Left();
var right = new Right();
var allSymbols = new List <Symbol>()
{
ifFoodAhead, prog2, prog3, move, left, right
};
var nonTerminalSymbols = new List <Symbol>()
{
ifFoodAhead, prog2, prog3
};
allSymbols.ForEach(s => AddSymbol(s));
SetSubtreeCount(ifFoodAhead, 2, 2);
SetSubtreeCount(prog2, 2, 2);
SetSubtreeCount(prog3, 3, 3);
SetSubtreeCount(move, 0, 0);
SetSubtreeCount(left, 0, 0);
SetSubtreeCount(right, 0, 0);
// each symbols is allowed as child of the start symbol
allSymbols.ForEach(s => AddAllowedChildSymbol(StartSymbol, s));
allSymbols.ForEach(s => AddAllowedChildSymbol(DefunSymbol, s));
// each symbol is allowed as child of all other symbols (except for terminals that have MaxSubtreeCount == 0
foreach (var parent in nonTerminalSymbols)
{
foreach (var child in allSymbols)
{
AddAllowedChildSymbol(parent, child);
}
}
}