IronPython.Compiler.Parser.ParseTryStatement C# (CSharp) Метод

        private Statement ParseTryStatement() {
            Eat(TokenKind.KeywordTry);
            var start = GetStart();
            var mid = GetEnd();
            Statement body = ParseSuite();
            Statement finallySuite = null;
            Statement elseSuite = null;
            Statement ret;
            int end;

            if (MaybeEat(TokenKind.KeywordFinally)) {
                finallySuite = ParseFinallySuite(finallySuite);
                end = finallySuite.EndIndex;
                TryStatement tfs = new TryStatement(body, null, elseSuite, finallySuite);
                tfs.HeaderIndex = mid;
                ret = tfs;
            } else {
                List<TryStatementHandler> handlers = new List<TryStatementHandler>();
                TryStatementHandler dh = null;
                do {
                    TryStatementHandler handler = ParseTryStmtHandler();
                    end = handler.EndIndex;
                    handlers.Add(handler);

                    if (dh != null) {
                        ReportSyntaxError(dh.StartIndex, dh.EndIndex, "default 'except' must be last");
                    }
                    if (handler.Test == null) {
                        dh = handler;
                    }
                } while (PeekToken().Kind == TokenKind.KeywordExcept);

                if (MaybeEat(TokenKind.KeywordElse)) {
                    elseSuite = ParseSuite();
                    end = elseSuite.EndIndex;
                }

                if (MaybeEat(TokenKind.KeywordFinally)) {
                    // If this function has an except block, then it can set the current exception.
                    finallySuite = ParseFinallySuite(finallySuite);
                    end = finallySuite.EndIndex;
                }

                TryStatement ts = new TryStatement(body, handlers.ToArray(), elseSuite, finallySuite);
                ts.HeaderIndex = mid;
                ret = ts;
            }
            ret.SetLoc(_globalParent, start, end);
            return ret;
        }