Actually it's a different issue. What we want to do is not enforcing full arguments, but if an input argument is the wrong type, we raise a TypeError.
Mo On Wed, Aug 11, 2010 at 7:13 PM, Adam Barth <[email protected]> wrote: > This sounds related to the recent addition of > [RequiresAllArguments=Raise]. Historically, we've been lax about > missing arguments. I think the specs want us to be stricter, but last > time we discussed the topic, the read I got was that the compatibility > pain might not be worth the benefit. > > Adam > > > On Wed, Aug 11, 2010 at 7:06 PM, Mo, Zhenyao <[email protected]> wrote: >> Currently for a function's signature in WebKit, if an argument's type >> is a wrapper type (those JS objec ts that wrap c++ objects, for >> example, JSWebGLProgram, JSCSSRule, etc.) and if the input object's >> type does not match the signature, the input is casted to null and no >> TypeError is raised. >> >> Even though WebKit doesn't use Web IDL specially, I think we can look >> to the Web IDL spec for guidance on what the behavior should be. >> According to Web IDL spec (http://dev.w3.org/2006/webapi/WebIDL/), >> unless [AllowAny] is put in the signature, an TypeError should be >> raised if an argument type does not match its signature. The new >> automatic code generation for overloaded functions in WebKit DOES >> raise TypeError when it fails to determine which overloaded variant to >> call. >> >> We definitely need to do the strict type checking for WebGL functions. >> However, changing the default behavior of the IDL code generators >> might have a significant compatibility impact. It isn't clear to us >> whether the current behavior is intentional. If yes, please let us >> know and we will try to fix the WebGL part only. Otherwise we will >> modify the general rule instead. >> _______________________________________________ >> webkit-dev mailing list >> [email protected] >> http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev >> > _______________________________________________ webkit-dev mailing list [email protected] http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
