Examples with IContextTypePDAProvider org.eclipse.xtext.serializer.analysis.IContextTypePDAProvider used on opensource projects

Example 1 with IContextTypePDAProvider

use of org.eclipse.xtext.serializer.analysis.IContextTypePDAProvider in project xtext-core by eclipse.

the class ContextTypePDAProviderTest method getParserRule.

protected String getParserRule(String body) throws Exception {
    Grammar grammar = (Grammar) getModel(HEADER + body);
    // drawGrammar("pdf/" + getName(), grammar);
    List<String> result = Lists.newArrayList();
    PdaListFormatter<ISerState, RuleCall> formatter = new PdaListFormatter<ISerState, RuleCall>();
    formatter.setStateFormatter(new ToStr());
    formatter.setStackitemFormatter(new GrammarElementTitleSwitch().showAssignments().hideCardinality());
    formatter.sortFollowers();
    IContextTypePDAProvider typePDAProvider = get(IContextTypePDAProvider.class);
    SerializationContextMap<Pda<ISerState, RuleCall>> pdas = typePDAProvider.getContextTypePDAs(grammar);
    for (Entry<Pda<ISerState, RuleCall>> ctx : pdas.sortedCopy().values()) {
        result.add(Joiner.on(", ").join(ctx.getContexts()) + ":");
        result.add("  " + formatter.format(ctx.getValue()).replace("\n", "\n  "));
    }
    return Joiner.on("\n").join(result);
}