Antlr3.Tool.Grammar.ParseArtificialRule C# (CSharp) Method

        public GrammarAST ParseArtificialRule(string ruleText)
        {
            ANTLRLexer lexer = new ANTLRLexer(new Antlr.Runtime.ANTLRStringStream(ruleText));
            TokenStreamRewriteEngine tokbuf = new TokenStreamRewriteEngine(lexer);
            tokbuf.Discard(ANTLRParser.WS, ANTLRParser.ML_COMMENT, ANTLRParser.COMMENT, ANTLRParser.SL_COMMENT);
            ANTLRParser parser = new ANTLRParser(new Antlr.Runtime.CommonTokenStream(tokbuf));
            parser.Grammar = this;
            parser.GrammarType = this.type;
            try
            {
                Antlr.Runtime.IAstRuleReturnScope<GrammarAST> result = parser.rule();
                return result.Tree;
            }
            catch (Exception e)
            {
                ErrorManager.Error(ErrorManager.MSG_ERROR_CREATING_ARTIFICIAL_RULE, e);
                return null;
            }
        }