private static void testParser(Parser parser, List<Tree<String>> testTrees) {
EnglishPennTreebankParseEvaluator.LabeledConstituentEval<String> eval =
new EnglishPennTreebankParseEvaluator.LabeledConstituentEval<String>(
Collections.singleton("ROOT"),
new HashSet<String>(Arrays.asList(new String[] {"''", "``", ".", ":", ","})));
for (Tree<String> testTree : testTrees) {
List<String> testSentence = testTree.getYield();
if (testSentence.size() > MAX_LENGTH) continue;
Tree<String> guessedTree = parser.getBestParse(testSentence);
System.out.println("Guess:\n" + Trees.PennTreeRenderer.render(guessedTree));
System.out.println("Gold:\n" + Trees.PennTreeRenderer.render(testTree));
eval.evaluate(guessedTree, testTree);
}
eval.display(true);
}
public static void main(String[] args) {
// set up default options ..............................................
Map<String, String> options = new HashMap<String, String>();
options.put("-path", "/afs/ir/class/cs224n/pa2/data/");
options.put("-data", "miniTest");
options.put("-parser", "cs224n.assignments.PCFGParserTester$BaselineParser");
options.put("-maxLength", "20");
// let command-line options supersede defaults .........................
options.putAll(CommandLineUtils.simpleCommandLineParser(args));
System.out.println("PCFGParserTester options:");
for (Map.Entry<String, String> entry : options.entrySet()) {
System.out.printf(" %-12s: %s%n", entry.getKey(), entry.getValue());
}
System.out.println();
MAX_LENGTH = Integer.parseInt(options.get("-maxLength"));
Parser parser;
try {
Class parserClass = Class.forName(options.get("-parser"));
parser = (Parser) parserClass.newInstance();
} catch (Exception e) {
throw new RuntimeException(e);
}
System.out.println("Using parser: " + parser);
String basePath = options.get("-path");
String dataSet = options.get("-data");
if (!basePath.endsWith("/")) basePath += "/";
// basePath += dataSet;
System.out.println("Data will be loaded from: " + basePath + "\n");
List<Tree<String>> trainTrees = new ArrayList<Tree<String>>(),
validationTrees = new ArrayList<Tree<String>>(),
testTrees = new ArrayList<Tree<String>>();
if (!basePath.endsWith("/")) basePath += "/";
basePath += dataSet;
if (dataSet.equals("miniTest")) {
System.out.print("Loading training trees...");
trainTrees = readTrees(basePath, 1, 3);
System.out.println("done.");
System.out.print("Loading test trees...");
testTrees = readTrees(basePath, 4, 4);
System.out.println("done.");
} else if (dataSet.equals("treebank")) {
System.out.print("Loading training trees...");
trainTrees = readTrees(basePath, 200, 2199);
System.out.println("done.");
System.out.print("Loading validation trees...");
validationTrees = readTrees(basePath, 2200, 2202);
System.out.println("done.");
System.out.print("Loading test trees...");
testTrees = readTrees(basePath, 2300, 2319); // 2301);
System.out.println("done.");
} else {
throw new RuntimeException("Bad data set mode: " + dataSet + ", use miniTest, or treebank.");
}
parser.train(trainTrees);
testParser(parser, testTrees);
}