fix(parser): ~ (0x7e) is valid stop for Identifier or Keyword

closes #226
meriyah · Oct 1, 2022 · d702ebd · d702ebd
1 parent 703aa91
commit d702ebd
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/src/lexer/identifier.ts b/src/lexer/identifier.ts
@@ -15,7 +15,7 @@ export function scanIdentifier(parser: ParserState, context: Context, isValidAsK
   while (isIdPart[advanceChar(parser)]) {}
   parser.tokenValue = parser.source.slice(parser.tokenPos, parser.index);
 
-  return parser.currentChar !== Chars.Backslash && parser.currentChar < 0x7e
+  return parser.currentChar !== Chars.Backslash && parser.currentChar <= 0x7e
     ? descKeywordTable[parser.tokenValue] || Token.Identifier
     : scanIdentifierSlowCase(parser, context, 0, isValidAsKeyword);
 }

diff --git a/test/parser/statements/for-of.ts b/test/parser/statements/for-of.ts
@@ -438,8 +438,9 @@ describe('Statements - For of', () => {
     'for (function(){ }[x in y] of x);',
     'for (function(){ if (a in b); }.prop of x);',
     'for (function(){ a in b; }.prop of x);',
-
-    `for (var { cover = (function () {}), a = (0, function() {})  } of [{}]) {}`
+    `for (var { cover = (function () {}), a = (0, function() {})  } of [{}]) {}`,
+    'for(x of ~y);',
+    'for(x of~y);'
   ]) {
     it(`${arg}`, () => {
       t.doesNotThrow(() => {