Implement ES6 StringIterator
https://bugs.webkit.org/show_bug.cgi?id=142080
Reviewed by Filip Pizlo.
This patch introduces ES6 String Iterator.
It enumerates code points instead of elements in String.
So surrogate pairs should be handled correctly.
* CMakeLists.txt:
* DerivedSources.make:
* JavaScriptCore.vcxproj/JavaScriptCore.vcxproj:
* JavaScriptCore.vcxproj/JavaScriptCore.vcxproj.filters:
* JavaScriptCore.xcodeproj/project.pbxproj:
* builtins/StringIterator.prototype.js: Added.
(next):
* runtime/CommonIdentifiers.h:
* runtime/JSGlobalObject.cpp:
* runtime/JSGlobalObject.h:
* runtime/JSStringIterator.cpp: Added.
(JSC::JSStringIterator::finishCreation):
* runtime/JSStringIterator.h: Added.
(JSC::JSStringIterator::createStructure):
(JSC::JSStringIterator::create):
(JSC::JSStringIterator::JSStringIterator):
* runtime/StringIteratorConstructor.cpp: Added.
(JSC::StringIteratorConstructor::finishCreation):
* runtime/StringIteratorConstructor.h: Added.
(JSC::StringIteratorConstructor::create):
(JSC::StringIteratorConstructor::createStructure):
(JSC::StringIteratorConstructor::StringIteratorConstructor):
* runtime/StringIteratorPrototype.cpp: Added.
(JSC::StringIteratorPrototype::finishCreation):
(JSC::StringIteratorPrototype::getOwnPropertySlot):
(JSC::stringIteratorPrototypeIterator):
* runtime/StringIteratorPrototype.h: Added.
(JSC::StringIteratorPrototype::create):
(JSC::StringIteratorPrototype::createStructure):
(JSC::StringIteratorPrototype::StringIteratorPrototype):
* runtime/StringPrototype.cpp:
(JSC::StringPrototype::finishCreation):
(JSC::stringProtoFuncIterator):
* tests/stress/string-iterators.js: Added.
(testSurrogatePair):
(increment):
(for):
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@181084 268f45cc-cd09-0410-ab3c-d52691b4dbfc
18 files changed
