public ATN getATN() {
if (atn == null) {
ParserATNFactory factory = new ParserATNFactory(this);
atn = factory.createATN();
}
return atn;
}
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);
}
ATN createATN(Grammar g) {
if (g.atn != null) return g.atn;
semanticProcess(g);
ParserATNFactory f = new ParserATNFactory(g);
if (g.isLexer()) f = new LexerATNFactory((LexerGrammar) g);
g.atn = f.createATN();
return g.atn;
}
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);
}
protected ATN createATN(Grammar g, boolean useSerializer) {
if (g.atn == null) {
semanticProcess(g);
assertEquals(0, g.tool.getNumErrors());
ParserATNFactory f;
if (g.isLexer()) {
f = new LexerATNFactory((LexerGrammar) g);
} else {
f = new ParserATNFactory(g);
}
g.atn = f.createATN();
assertEquals(0, g.tool.getNumErrors());
}
ATN atn = g.atn;
if (useSerializer) {
char[] serialized = ATNSerializer.getSerializedAsChars(atn);
return new ATNDeserializer().deserialize(serialized);
}
return atn;
}