private ISymbolicExpressionTreeGrammar GenerateSimpleGrammar()
{
var branch = new SimpleSymbol("branch", "", 2, 2);
var leaf = new SimpleSymbol("leaf", "", 0, 0);
var grammar = new SimpleSymbolicExpressionGrammar();
grammar.AddSymbol(branch);
grammar.AddSymbol(leaf);
grammar.AddAllowedChildSymbol(branch, leaf);
return(grammar.CreateExpressionTreeGrammar());;
}
private static ISymbolicExpressionGrammar CreateTestGrammar2()
{
var grammar = new SimpleSymbolicExpressionGrammar();
var x = new SimpleSymbol("<x>", 2);
var z = new SimpleSymbol("<z>", 6);
var a = new SimpleSymbol("<a>", 1);
var b = new SimpleSymbol("<b>", 1);
var c = new SimpleSymbol("<c>", 1);
var d = new SimpleSymbol("<d>", 1);
var _x = new SimpleSymbol("x", 0);
var _y = new SimpleSymbol("y", 0);
grammar.AddSymbol(x);
grammar.AddSymbol(z);
grammar.AddSymbol(a);
grammar.AddSymbol(b);
grammar.AddSymbol(c);
grammar.AddSymbol(d);
grammar.AddSymbol(_x);
grammar.AddSymbol(_y);
grammar.AddAllowedChildSymbol(grammar.StartSymbol, x);
//uncommenting the line below changes the minimum expression length for the symbol <x>
grammar.AddAllowedChildSymbol(x, z);
grammar.AddAllowedChildSymbol(z, _x);
grammar.AddAllowedChildSymbol(x, a);
grammar.AddAllowedChildSymbol(a, b);
grammar.AddAllowedChildSymbol(b, c);
grammar.AddAllowedChildSymbol(c, d);
grammar.AddAllowedChildSymbol(d, _y);
return(grammar);
}
private static ISymbolicExpressionGrammar CreateTestGrammar4()
{
var grammar = new SimpleSymbolicExpressionGrammar();
var x = new SimpleSymbol("<x>", 1);
var y = new SimpleSymbol("<y>", 1);
grammar.AddSymbol(x);
grammar.AddSymbol(y);
grammar.AddAllowedChildSymbol(grammar.StartSymbol, x);
grammar.AddAllowedChildSymbol(x, x);
grammar.AddAllowedChildSymbol(x, y);
grammar.AddAllowedChildSymbol(y, x);
grammar.AddAllowedChildSymbol(y, y);
return(grammar);
}
private static ISymbolicExpressionGrammar CreateTestGrammar6()
{
var grammar = new SimpleSymbolicExpressionGrammar();
var x = new SimpleSymbol("<x>", 1);
var s = new SimpleSymbol("<s>", 1);
var a = new SimpleSymbol("<a>", 1);
var b = new SimpleSymbol("<b>", 1);
var c = new SimpleSymbol("<c>", 1);
var d = new SimpleSymbol("<d>", 1);
var e = new SimpleSymbol("<e>", 1);
var _x = new SimpleSymbol("x", 0);
var _y = new SimpleSymbol("y", 0);
grammar.AddSymbol(x);
grammar.AddSymbol(s);
grammar.AddSymbol(a);
grammar.AddSymbol(b);
grammar.AddSymbol(c);
grammar.AddSymbol(d);
grammar.AddSymbol(e);
grammar.AddSymbol(_x);
grammar.AddSymbol(_y);
grammar.AddAllowedChildSymbol(grammar.StartSymbol, x);
grammar.AddAllowedChildSymbol(x, s);
grammar.AddAllowedChildSymbol(x, _x);
grammar.AddAllowedChildSymbol(s, a);
grammar.AddAllowedChildSymbol(a, b);
grammar.AddAllowedChildSymbol(a, c);
grammar.AddAllowedChildSymbol(b, x);
grammar.AddAllowedChildSymbol(c, d);
grammar.AddAllowedChildSymbol(d, e);
grammar.AddAllowedChildSymbol(e, _y);
return(grammar);
}