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

Example 1 with IContextPDAProvider

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

the class ContextPDAProviderTest method getParserRule.

protected String getParserRule(String body) throws Exception {
    Grammar grammar = (Grammar) getModel(HEADER + body);
    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();
    IContextPDAProvider pdaProvider = get(IContextPDAProvider.class);
    SerializationContextMap<Pda<ISerState, RuleCall>> pdas = pdaProvider.getContextPDAs(grammar);
    for (Entry<Pda<ISerState, RuleCall>> ctx : pdas.sortedCopy().values()) {
        result.add(Joiner.on(", ").join(ctx.getContexts()) + ":");
        Pda<ISerState, RuleCall> pda = ctx.getValue();
        result.add("  " + formatter.format(pda).replace("\n", "\n  "));
    // StackTraceElement ele = Thread.currentThread().getStackTrace()[2];
    // String name = getClass().getSimpleName() + "_" + ele.getMethodName() + "_" + ctx.getSecond() + ".pdf";
    // new PdaToDot<ISerState, RuleCall>().draw(pda, "dot/" + name, "-T pdf");
    }
    return Joiner.on("\n").join(result);
}