fix: symbols no longer passable

Author: erights

packages/SwingSet/test/test-marshal.js

@@ -44,10 +44,10 @@ test('serialize static data', t => {
     body: '{"@qclass":"-Infinity"}',
     slots: [],
   });
-  t.deepEqual(ser(Symbol.for('sym1')), {
-    body: '{"@qclass":"symbol","key":"sym1"}',
-    slots: [],
-  });
+//  t.deepEqual(ser(Symbol.for('sym1')), {
+//    body: '{"@qclass":"symbol","key":"sym1"}',
+//    slots: [],
+//  });
   let bn;
   try {
     bn = BigInt(4);
@@ -91,7 +91,7 @@ test('unserialize static data', t => {
   t.ok(Object.is(uns('{"@qclass":"NaN"}'), NaN));
   t.deepEqual(uns('{"@qclass":"Infinity"}'), Infinity);
   t.deepEqual(uns('{"@qclass":"-Infinity"}'), -Infinity);
-  t.deepEqual(uns('{"@qclass":"symbol", "key":"sym1"}'), Symbol.for('sym1'));
+//  t.deepEqual(uns('{"@qclass":"symbol", "key":"sym1"}'), Symbol.for('sym1'));
 
   // Normal json reviver cannot make properties with undefined values
   t.deepEqual(uns('[{"@qclass":"undefined"}]'), [undefined]);

packages/marshal/marshal.js

@@ -169,7 +169,7 @@ export function sameValueZero(x, y) {
 
 // How would val be passed?  For primitive values, the answer is
 //   * 'null' for null
-//   * throwing an error for an unregistered symbol
+//   * throwing an error for a symbol, whether registered or not.
 //   * that value's typeof string for all other primitive values
 // For frozen objects, the possible answers
 //   * 'copyRecord' for non-empty records with only data properties
@@ -225,10 +225,7 @@ export function passStyleOf(val) {
       return typestr;
     }
     case 'symbol': {
-      if (Symbol.keyFor(val) === undefined) {
-        throw new TypeError('Cannot pass unregistered symbols');
-      }
-      return typestr;
+      throw new TypeError('Cannot pass symbols');
     }
     default: {
       throw new TypeError(`unrecognized typeof ${typestr}`);
@@ -364,13 +361,6 @@ export function makeMarshal(
           }
           return val;
         }
-        case 'symbol': {
-          const key = Symbol.keyFor(val);
-          return harden({
-            [QCLASS]: 'symbol',
-            key,
-          });
-        }
         case 'bigint': {
           return harden({
             [QCLASS]: 'bigint',
@@ -498,14 +488,6 @@ export function makeMarshal(
           case '-Infinity': {
             return -Infinity;
           }
-          case 'symbol': {
-            if (typeof rawTree.key !== 'string') {
-              throw new TypeError(
-                `invalid symbol key typeof ${typeof rawTree.key}`,
-              );
-            }
-            return Symbol.for(rawTree.key);
-          }
           case 'bigint': {
             if (typeof rawTree.digits !== 'string') {
               throw new TypeError(

packages/marshal/test/test-marshal.js

@@ -29,10 +29,10 @@ test('serialize static data', t => {
     body: '{"@qclass":"-Infinity"}',
     slots: [],
   });
-  t.deepEqual(ser(Symbol.for('sym1')), {
-    body: '{"@qclass":"symbol","key":"sym1"}',
-    slots: [],
-  });
+//  t.deepEqual(ser(Symbol.for('sym1')), {
+//    body: '{"@qclass":"symbol","key":"sym1"}',
+//    slots: [],
+//  });
   let bn;
   try {
     bn = BigInt(4);
@@ -80,7 +80,7 @@ test('unserialize static data', t => {
   t.ok(Object.is(uns('{"@qclass":"NaN"}'), NaN));
   t.deepEqual(uns('{"@qclass":"Infinity"}'), Infinity);
   t.deepEqual(uns('{"@qclass":"-Infinity"}'), -Infinity);
-  t.deepEqual(uns('{"@qclass":"symbol", "key":"sym1"}'), Symbol.for('sym1'));
+//  t.deepEqual(uns('{"@qclass":"symbol", "key":"sym1"}'), Symbol.for('sym1'));
 
   // Normal json reviver cannot make properties with undefined values
   t.deepEqual(uns('[{"@qclass":"undefined"}]'), [undefined]);