fix(parser): fixed a few edge cases

package.json

@@ -1,6 +1,6 @@
 {
   "name": "meriyah",
-  "version": "1.6.8",
+  "version": "1.6.9",
   "description": "A 100% compliant, self-hosted javascript parser with high focus on both performance and stability",
   "main": "dist/meriyah.umd.js",
   "module": "dist/meriyah.esm.js",

src/meriyah.ts

@@ -26,4 +26,4 @@ export function parse(source: string, options?: Options): ESTree.Program {
 export { Options, ESTree };
 
 // Export current version
-export const version = '1.6.8';
+export const version = '1.6.9';

src/parser.ts

@@ -5754,7 +5754,7 @@ export function parseObjectLiteralOrPattern(
       let key: ESTree.Expression | null = null;
       let value;
 
-      if (parser.token & (Token.IsIdentifier | Token.Keyword)) {
+      if (parser.token & (Token.IsIdentifier | Token.Keyword) || parser.token === Token.EscapedReserved) {
         key = parseIdentifier(parser, context, 0);
 
         if (parser.token === Token.Comma || parser.token === Token.RightBrace || parser.token === Token.Assign) {
@@ -5795,8 +5795,9 @@ export function parseObjectLiteralOrPattern(
               right
             });
           } else {
-            destructible |= token === Token.AwaitKeyword ? DestructuringKind.Await : 0;
-
+            destructible |=
+              (token === Token.AwaitKeyword ? DestructuringKind.Await : 0) |
+              (token === Token.EscapedReserved ? DestructuringKind.CannotDestruct : 0);
             value = key;
           }
         } else if (consumeOpt(parser, context | Context.AllowRegExp, Token.Colon)) {
@@ -5947,6 +5948,7 @@ export function parseObjectLiteralOrPattern(
         } else if (parser.token === Token.LeftBracket) {
           destructible |= DestructuringKind.CannotDestruct;
           if (token === Token.AsyncKeyword) state |= PropertyKind.Async;
+
           state |=
             (token === Token.GetKeyword
               ? PropertyKind.Getter
@@ -5968,7 +5970,7 @@ export function parseObjectLiteralOrPattern(
           );
         } else if (parser.token & (Token.IsIdentifier | Token.Keyword)) {
           destructible |= DestructuringKind.CannotDestruct;
-
+          if (token === Token.EscapedReserved) report(parser, Errors.InvalidEscapedKeyword);
           if (token === Token.AsyncKeyword) {
             if (parser.flags & Flags.NewLine) report(parser, Errors.AsyncRestrictedProd);
             state |= PropertyKind.Async;

test/parser/miscellaneous/escaped-keyword.ts

@@ -73,6 +73,11 @@ describe('Miscellaneous - Escaped keywords', () => {
     'class aw\\u0061it {}',
     'aw\\u0061it: 1;',
     'function *a(){({yi\\u0065ld: 0})}',
+    'var y = { bre\\u0061k: x } = { break: 42 };',
+    'var y = { c\\u0061se: x } = { case: 42 };',
+    'var y = { c\\u0061tch: x } = { catch: 42 };',
+    'var y = { \\u0063onst: x } = { const: 42 };',
+    'var y = { \\u0064ebugger: x } = { debugger: 42 };',
     '\\u0061sync',
     'l\\u0065t\na',
     'l\\u0065t',
@@ -99,6 +104,8 @@ describe('Miscellaneous - Escaped keywords', () => {
   fail('Miscellaneous - Escaped identifiers (failures)', [
     ['(x === n\\u0075ll);', Context.None],
     ['var x = n\\u0075ll;', Context.None],
+    ['var x = { interf\\u0061ce } = { interface: 42 };', Context.Strict | Context.Module],
+    ['var x = ({ w\\u0069th }) => {};', Context.None],
     ['var n\\u0075ll = 1;', Context.None],
     ['var { n\\u0075ll } = { 1 };', Context.None],
     ['n\\u0075ll = 1;', Context.None],
@@ -193,6 +200,11 @@ describe('Miscellaneous - Escaped keywords', () => {
     ['cl\\u0061ss Foo {}', Context.None],
     ['var f = f\\u0075nction() {}', Context.None],
     ["thr\\u006fw 'boo';", Context.None],
+    ['var x = { n\\u0065w } = { new: 42 };', Context.None],
+    ['var x = { privat\\u0065 } = { private: 42 };', Context.Strict | Context.Module],
+    ['var x = { sup\\u0065r } = { super: 42 };', Context.Strict | Context.Module],
+    ['var x = { v\\u0061r } = { var: 42 };', Context.Strict | Context.Module],
+    ['var x = { privat\\u0065 } = { private: 42 };', Context.Strict | Context.Module],
     ['w\\u0069th (this.scope) { }', Context.None],
     ['n\\u0075ll = 1;', Context.None],
     ['(x === tr\\u0075e);', Context.None],