16695 2008-01-01 01:43:33 -0800 JSC allows non-identifier codepoints in identifiers (affects Acid3) 2008-01-01 22:44:36 -0800 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) All All RESOLVED FIXED P2 Normal --- 1 eric darin ap ian oldest_to_newest 65883 0 eric 2008-01-01 01:43:33 -0800 JSC allows non-identifier codepoints in identifiers (Acid3 bug) We don't throw a parse error exception here like we should: function () { // test 85: ES3 section 7.3 (unicode escapes can't be used to put non-identifier characters into identifiers) // and there's no other place for them in the syntax (other than strings, of course) var ok = false; try { eval("var test = { };\ntest.i= 0;\ntest.i\\u002b= 1;\ntest.i;\n"); } catch (e) { ok = true; } assert(ok, "\\u002b was not considered a parse error in script"); return 6; }, 65892 1 ap 2008-01-01 03:33:38 -0800 FWIW, Firefox fails this test, too. Strangely, in my copy of ECMA-262 3rd edition, it's section 7.6, not 7.3. 65904 2 darin 2008-01-01 10:13:23 -0800 Yes, it's section 7.6 -- I think that's just a mistake in Hixie's comment. 65911 3 18227 darin 2008-01-01 11:11:52 -0800 Created attachment 18227 patch 65927 4 18227 eric 2008-01-01 12:55:31 -0800 Comment on attachment 18227 patch 1. I'm confused by your testing of \u vs \\u at the end shouldBe("var test = { }; test.i= 0; test.i\u002b= 1; test.i;", "1"); The fact that that is supposed to work and \\u isn't, confuses me, and calls into question all the other \\u tests above I guess I'm just not sure what '\u' would be interpreted as, and why it's a valid identifier char. 2. I don't see a test for valid identifier part unicodes used at a identifier start 3. it looks like the logic for checking \u could be squashed into the two "call sites" instead of making a new state (which would be faster, and fewer states) Assuming you address those comments via IRC or here, the patch looks great. :) Marking r+ since I don't need to see another patch. 65934 5 ian 2008-01-01 14:26:54 -0800 This: shouldBe("var test = { }; test.i= 0; test.i\u002b= 1; test.i;", "1"); ...is exactly equivalen to: shouldBe("var test = { }; test.i= 0; test.i+= 1; test.i;", "1"); ...because the backslash escape sequence is interpreted when the original script is parsed, not when the eval() script is parsed. 65936 6 darin 2008-01-01 14:35:13 -0800 (In reply to comment #5) > This: > shouldBe("var test = { }; test.i= 0; test.i\u002b= 1; test.i;", "1"); > ...is exactly equivalen to: > shouldBe("var test = { }; test.i= 0; test.i+= 1; test.i;", "1"); > ...because the backslash escape sequence is interpreted when the original > script is parsed, not when the eval() script is parsed. Yes. Eric was quoting one of two different test lines. The line above has two backslashes and expects an exception rather than the value 1. 65998 7 darin 2008-01-01 22:44:36 -0800 r29075 18227 2008-01-01 11:11:52 -0800 2008-01-01 12:55:31 -0800 patch IdentifierPatch.txt text/plain 8124 darin SW5kZXg6IEphdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBKYXZhU2NyaXB0 Q29yZS9DaGFuZ2VMb2cJKHJldmlzaW9uIDI5MDY0KQorKysgSmF2YVNjcmlwdENvcmUvQ2hhbmdl TG9nCSh3b3JraW5nIGNvcHkpCkBAIC0xLDMgKzEsMjEgQEAKKzIwMDgtMDEtMDEgIERhcmluIEFk bGVyICA8ZGFyaW5AYXBwbGUuY29tPgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09Q UyEpLgorCisgICAgICAgIC0gZml4IGZvciBodHRwOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVn LmNnaT9pZD0xNjY5NQorICAgICAgICAgIEpTQyBhbGxvd3Mgbm9uLWlkZW50aWZpZXIgY29kZXBv aW50cyBpbiBpZGVudGlmaWVycyAoQWNpZDMgYnVnKQorCisgICAgICAgIFRlc3Q6IGZhc3QvanMv a2RlL3BhcnNlLmh0bWwKKworICAgICAgICAqIGtqcy9sZXhlci5jcHA6CisgICAgICAgIChLSlM6 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