Function parseExpected

test/fixtures/snapshot/typescript.js:32108–32124

(kind, diagnosticMessage, shouldAdvance)

            return token() > 116 /* SyntaxKind.LastReservedWord */;
        }
        function parseExpected(kind, diagnosticMessage, shouldAdvance) {
            if (shouldAdvance === void 0) { shouldAdvance = true; }
            if (token() === kind) {
                if (shouldAdvance) {
                    nextToken();
                }
                return true;
            }
            // Report specific message if provided with one.  Otherwise, report generic fallback message.
            if (diagnosticMessage) {
                parseErrorAtCurrentToken(diagnosticMessage);
            }
            else {
                parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind));
            }
            return false;
        }
        var viableKeywordSuggestions = Object.keys(ts.textToKeywordObj).filter(function (keyword) { return keyword.length > 2; });
        /**
         * Provides a better error message than the generic "';' expected" if possible for