[ES6] Support subclassing Function.
https://bugs.webkit.org/show_bug.cgi?id=153081
Reviewed by Geoffrey Garen.
Source/JavaScriptCore:
This patch enables subclassing the Function object. It also fixes an existing
bug that prevented users from subclassing functions that have a function in
the superclass's prototype property.
* bytecompiler/NodesCodegen.cpp:
(JSC::ClassExprNode::emitBytecode):
* runtime/FunctionConstructor.cpp:
(JSC::constructWithFunctionConstructor):
(JSC::constructFunction):
(JSC::constructFunctionSkippingEvalEnabledCheck):
* runtime/FunctionConstructor.h:
* runtime/JSFunction.cpp:
(JSC::JSFunction::create):
* runtime/JSFunction.h:
(JSC::JSFunction::createImpl):
* runtime/JSFunctionInlines.h:
(JSC::JSFunction::createWithInvalidatedReallocationWatchpoint):
(JSC::JSFunction::JSFunction): Deleted.
* tests/stress/class-subclassing-function.js: Added.
LayoutTests:
Rebasline tests with the new clearer error message.
* js/class-syntax-extends-expected.txt:
* js/script-tests/class-syntax-extends.js:
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@195070 268f45cc-cd09-0410-ab3c-d52691b4dbfc
11 files changed
