Examples with CharacterClassFactory org.metaborg.characterclasses.CharacterClassFactory used on opensource projects

Example 1 with CharacterClassFactory

use of org.metaborg.characterclasses.CharacterClassFactory in project spoofax by metaborg.

the class JSGLR2FileParseTableProvider method parseTable.

@Override
public IParseTable parseTable() throws IOException {
    if (parseTable != null) {
        return parseTable;
    }
    resource.refresh();
    if (!resource.exists()) {
        throw new IOException("Could not load parse table from " + resource + ", file does not exist");
    }
    try (final InputStream stream = resource.getContent().getInputStream()) {
        final TermReader termReader = new TermReader(termFactory);
        IStrategoTerm parseTableTerm = termReader.parseFromStream(stream);
        FileObject persistedTable = resource.getParent().resolveFile("table.bin");
        if (!persistedTable.exists()) {
            parseTable = new ParseTableReader(new CharacterClassFactory(true, true), new ActionsFactory(true), new StateFactory()).read(parseTableTerm);
        } else {
            parseTable = new ParseTableReader(new CharacterClassFactory(true, true), new ActionsFactory(true), new StateFactory()).read(parseTableTerm, persistedTable);
        }
    } catch (Exception e) {
        throw new IOException("Could not load parse table from " + resource, e);
    }
    return parseTable;
}