97911 2012-09-28 07:19:45 -0700 DOMTokenList add/remove should use Vector<AtomicString> instead of Vector<String> 2013-04-08 18:04:17 -0700 1 1 1 Unclassified WebKit DOM 528+ (Nightly build) Unspecified Unspecified RESOLVED WONTFIX P2 Normal --- 1 arv arv abarth darin haraken japhet ojan rniwa webkit.review.bot oldest_to_newest 730636 0 arv 2012-09-28 07:19:45 -0700 Darin Adler wrote in https://bugs.webkit.org/show_bug.cgi?id=97335#c21 "I think we should investigate having the variadic string support use Vector<AtomicString> for the same reason that the single-argument functions use AtomicString." 730909 1 166298 arv 2012-09-28 12:56:22 -0700 Created attachment 166298 Patch 730910 2 166298 arv 2012-09-28 12:57:15 -0700 Comment on attachment 166298 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=166298&action=review > Source/WebCore/bindings/scripts/test/V8/V8TestObj.cpp:1925 > + Vector<Node*> tail; Now the generated type is same for V8 and JSC. 730923 3 166298 ojan 2012-09-28 13:12:41 -0700 Comment on attachment 166298 Patch WebCore/html changes LGTM. 730958 4 abarth 2012-09-28 13:38:55 -0700 > "I think we should investigate having the variadic string support use Vector<AtomicString> for the same reason that the single-argument functions use AtomicString." Did we investigate? 730988 5 arv 2012-09-28 14:18:31 -0700 (In reply to comment #4) > > "I think we should investigate having the variadic string support use Vector<AtomicString> for the same reason that the single-argument functions use AtomicString." > > Did we investigate? I'm not really sure what Darin wanted to investigate? It is cleaner to use Vector<AtomicString> since all the other DOMTokenList functions use AtomicString. 731257 6 166298 sam 2012-09-29 16:58:18 -0700 Comment on attachment 166298 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=166298&action=review > Source/WebCore/ChangeLog:9 > + This makes DOMString... args use Vector<AtomicString> instead of Vector<String>. > + Why is that always the right decision. I can see it making sense for DOMTokenList (where we want to treat the strings as tokens), but not in the general case. > Source/WebCore/ChangeLog:12 > + No new tests. No change in behavior. Does this speed something up? > Source/WebCore/bindings/js/JSDOMBinding.h:367 > + indexedValue = jsValue.toString(exec)->value(exec); jsValue.toWTFString(exec) would be slightly less code. What is the return value for here? Should it return true even if there was an exception? 731968 7 arv 2012-10-01 14:10:53 -0700 I did a perf test which does: element.classList.remove('aaaaa', 'bbbbb', 'ccccc'); element.classList.add('aaaaa', 'bbbbb', 'ccccc'); Vector<String> 2941.29±2.54% 2935.29±2.46% 3035.28±2.99% Vector<AtomicString> 2982.24±3.04% 3136.07±3.14% 3098.22±2.47% Based on this simple test, using AtomicString is slightly faster but it is very close to the noise level. Based on these I think it is cleaner to continue to use String, since it is more generic. 732013 8 rniwa 2012-10-01 14:50:15 -0700 Should we close this as WONTFIX then? 732089 9 arv 2012-10-01 16:08:55 -0700 (In reply to comment #8) > Should we close this as WONTFIX then? I'm fine with that but I would still like to hear from Darin what he had in mind. 166298 2012-09-28 12:56:22 -0700 2013-04-08 18:04:17 -0700 Patch bug-97911-20120928155538.patch text/plain 15681 arv U3VidmVyc2lvbiBSZXZpc2lvbjogMTI5OTI1CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNjFkZGM2MGZhNjQ4MzBl MmUzZjAzMzZiOTM2NTNhY2NiZGVhOGM1NS4uMWFmODcxMTQ1MjRhZTFhMTc1ZDM2YmJjZWE5Mzli NDM5MjM0MTVkYiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDQzIEBACisyMDEyLTA5LTI4ICBFcmlr IEFydmlkc3NvbiAgPGFydkBjaHJvbWl1bS5vcmc+CisKKyAgICAgICAgRE9NVG9rZW5MaXN0IGFk ZC9yZW1vdmUgc2hvdWxkIHVzZSBWZWN0b3I8QXRvbWljU3RyaW5nPiBpbnN0ZWFkIG9mIFZlY3Rv cjxTdHJpbmc+CisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9p ZD05NzkxMQorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAg IFRoaXMgbWFrZXMgRE9NU3RyaW5nLi4uIGFyZ3MgdXNlIFZlY3RvcjxBdG9taWNTdHJpbmc+IGlu 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