void checkTokensRule(LexerGrammar g, String modeName, String expecting) {
// if ( g.ast!=null && !g.ast.hasErrors ) {
// System.out.println(g.ast.toStringTree());
// Tool antlr = new Tool();
// SemanticPipeline sem = new SemanticPipeline(g);
// sem.process();
// if ( g.getImportedGrammars()!=null ) { // process imported grammars (if any)
// for (Grammar imp : g.getImportedGrammars()) {
// antlr.processNonCombinedGrammar(imp);
// }
// }
// }
if (modeName == null) modeName = "DEFAULT_MODE";
if (g.modes.get(modeName) == null) {
System.err.println("no such mode " + modeName);
return;
}
ParserATNFactory f = new LexerATNFactory(g);
ATN nfa = f.createATN();
ATNState startState = nfa.modeNameToStartState.get(modeName);
ATNPrinter serializer = new ATNPrinter(g, startState);
String result = serializer.asString();
// System.out.print(result);
assertEquals(expecting, result);
}
void checkRuleATN(Grammar g, String ruleName, String expecting) {
ParserATNFactory f = new ParserATNFactory(g);
ATN atn = f.createATN();
DOTGenerator dot = new DOTGenerator(g);
System.out.println(dot.getDOT(atn.ruleToStartState[g.getRule(ruleName).index]));
Rule r = g.getRule(ruleName);
ATNState startState = atn.ruleToStartState[r.index];
ATNPrinter serializer = new ATNPrinter(g, startState);
String result = serializer.asString();
// System.out.print(result);
assertEquals(expecting, result);
}