private static void SimpleMovementTest()
{
var voc = Vocabulary.GetVocabularyFromFile(@"Vocabulary.json");
var grammar = new Grammar(voc);
Program.AddTypesToGrammar(grammar);
grammar.AddProjectionTypeToTypeDictionary("CP", "V"); // no overt POS here, head of IP is V.
grammar.AddProjectionTypeToTypeDictionary("IP", "V"); // no overt POS here, head of IP is V.
grammar.AddRule(new Rule(1, "START", new[] {"CP"}, 0, 0));
grammar.AddRule(new Rule(1, "CP", new[] {"IP"}, 0, 0));
grammar.AddRule(new Rule(1, "IP", new[] {"NP", "VP"}, 1, 1));
grammar.AddRule(new Rule(1, "VP", new[] {"V1", "NP"}, 0, 1));
grammar.AddRule(new Rule(1, "VP", new[] {"V2", "PP"}, 0, 1));
grammar.AddRule(new Rule(1, "PP", new[] {"P", "NP"}, 0, 1));
grammar.AddRule(new Rule(1, "NP", new[] {"D", "N"}, 1, 0));
grammar.AddNonTerminalToLandingSites("CP");
grammar.AddMoveable("NP");
grammar.AddMoveable("PP");
grammar.GenerateDerivedRulesFromSchema();
var parser = new Parser(grammar);
var n = parser.ParseSentence("Who the bells toll for");
n.Print();
n = parser.ParseSentence("Who a man arrived from");
n.Print();
n = parser.ParseSentence("from Who a man arrived");
n.Print();
n = parser.ParseSentence("John David kissed");
n.Print();
}
public static void CreateMovementGrammar(Grammar grammar)
{
AddTypesToGrammar(grammar);
grammar.AddProjectionTypeToTypeDictionary("IP", "V"); // no overt POS here, head of IP is V.
grammar.AddRule(new Rule(1, "START", new[] {"IP"}, 0, 0));
grammar.AddRule(new Rule(1, "START", new[] {"CP"}, 0, 0));
grammar.AddRule(new Rule(0, "CP", new[] {"C", "IP"}, 0, 1));
grammar.AddRule(new Rule(0, "IP", new[] {"NP", "VP"}, 1, 1));
grammar.AddRule(new Rule(0, "VP", new[] {"V1", "NP"}, 0, 1));
grammar.AddRule(new Rule(0, "VP", new[] {"V2", "PP"}, 0, 1));
grammar.AddRule(new Rule(2, "VP", new[] {"V3", "CP"}, 0, 1));
grammar.AddRule(new Rule(0, "NP", new[] {"D", "N"}, 1, 0));
grammar.AddRule(new Rule(0, "PP", new[] {"P", "NP"}, 0, 1));
grammar.AddNonTerminalToLandingSites("CP");
grammar.AddMoveable("NP");
grammar.AddMoveable("PP");
}
public bool AddRuleToLandingSites(Grammar grammar)
{
for (var i = 0; i < NumberOfRetries; i++)
{
var rule = grammar.GetRandomRule();
//var movementSymbol = rule.NonComplementTerm;
//if movement symbol is LHS for some rule..
if (!grammar.LandingSites.Contains(rule.Name.NonTerminal))
{
grammar.AddNonTerminalToLandingSites(rule.Name.NonTerminal);
return true;
}
}
return false;
}
