protected virtual void _CreateATN([NotNull] ICollection <Rule> rules)
{
CreateRuleStartAndStopATNStates();
GrammarASTAdaptor adaptor = new GrammarASTAdaptor();
foreach (Rule r in rules)
{
// find rule's block
GrammarAST blk = (GrammarAST)r.ast.GetFirstChildWithType(ANTLRParser.BLOCK);
CommonTreeNodeStream nodes = new CommonTreeNodeStream(adaptor, blk);
ATNBuilder b = new ATNBuilder(nodes, this);
try {
SetCurrentRuleName(r.name);
Handle h = b.ruleBlock(null);
Rule(r.ast, r.name, h);
}
catch (RecognitionException re) {
ErrorManager.FatalInternalError("bad grammar AST structure", re);
}
}
}