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(2, "VP", new[] { "V4", "LP" }, 0, 1));
grammar.AddRule(new Rule(2, "VP", new[] { "V5", "MP" }, 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.AddRule(new Rule(0, "LP", new[] { "L", "PP" }, 0, 1));
grammar.AddRule(new Rule(0, "MP", new[] { "M", "LP" }, 0, 1));
grammar.AddNonTerminalToLandingSites("CP");
grammar.AddMoveable("NP");
grammar.AddMoveable("PP");
grammar.AddMoveable("LP");
grammar.AddMoveable("MP");
}
private static void ComplexMovementTest()
{
var voc = Vocabulary.GetVocabularyFromFile(@"Vocabulary.json");
var grammar = new Grammar(voc);
Program.AddTypesToGrammar(grammar);
grammar.AddProjectionTypeToTypeDictionary("CP", "N"); // no overt POS here, head of IP is V.
grammar.AddProjectionTypeToTypeDictionary("IP", "N"); // no overt POS here, head of IP is V.
grammar.AddRule(new Rule(1, "START", new[] { "CP" }, 0, 0));
grammar.AddRule(new Rule(1, "START", new[] { "IP" }, 0, 0));
//grammar.AddRule(new Rule(1, "CP", new[] { "IP" }, 0, 0));
//grammar.AddRule(new Rule(1, "IP", new[] { "NP" }, 0, 0));
//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.AddNonTerminalToLandingSites("IP");
grammar.AddMoveable("NP");
grammar.AddMoveable("PP");
grammar.GenerateDerivedRulesFromSchema();
var parser = new Parser(grammar, true);
var n = parser.ParseSentence("Who Who Who");
n.Print();
}
public bool AddMoveable(Grammar grammar)
{
for (var i = 0; i < NumberOfRetries; i++)
{
var rule = grammar.GetRandomRule();
//if movement symbol is LHS for some rule..
if (!grammar.Moveables.Contains(rule.Name.NonTerminal))
{
grammar.AddMoveable(rule.Name.NonTerminal);
return(true);
}
}
return(false);
}
