public void FirstAndFollow_Test()
{
//Buscar alguns terminais quaisquer
/*
* S:B c|D B
* B:a b|c S
* D:d|#
*/
string grammarIdentifier = Symbol.GrammarIdentifier;
Symbol.GrammarIdentifier = "3";
//Gerar os firsts and follows
NonRecursiveDealer nonRecursive = new NonRecursiveDealer();
NonTerminal s = Symbol.NonTerminalHash["S"];
//Testa todos os firsts de S
Assert.IsTrue(s.FirstContains("a"));
Assert.IsTrue(s.FirstContains("c"));
Assert.IsTrue(s.FirstContains("d"));
Assert.IsTrue(s.FirstContainsEmpty());
//Testa todos os follows de S
Assert.IsTrue(s.FollowContains("c"));
Assert.IsTrue(s.FollowContainsInitial());
s = Symbol.NonTerminalHash["B"];
//Testa todos os firsts de B
Assert.IsTrue(s.FirstContains("a"));
Assert.IsTrue(s.FirstContains("c"));
//Testa todos os follows de C
Assert.IsTrue(s.FollowContains("c"));
Assert.IsTrue(s.FollowContainsInitial());
s = Symbol.NonTerminalHash["D"];
//Testa todos os firsts de D
Assert.IsTrue(s.FirstContains("d"));
Assert.IsTrue(s.FirstContainsEmpty());
////Testa todos os follows de D
Assert.IsTrue(s.FollowContains("a"));
Assert.IsTrue(s.FollowContains("c"));
Symbol.GrammarIdentifier = grammarIdentifier;
}
public FirstAndFollowForm()
{
InitializeComponent();
//Carregar combobox
NonRecursiveDealer nonRecursive = new NonRecursiveDealer();
_nonTerminalHash = nonRecursive.NonTerminalHash;
_nonTerminalList = nonRecursive.NonTerminals;
comboBoxNonTerminals.Items.Clear();
foreach (NonTerminal nonTerminal in _nonTerminalList)
{
comboBoxNonTerminals.Items.Add(nonTerminal);
}
comboBoxNonTerminals.SelectedIndexChanged += new System.EventHandler(this.comboBoxNonTerminals_SelectedIndexChanged);
}
