Subj : Re: Querying the name of the function being called in the static
To   : Stephen Jones <Stephen@Jones-net.com>
From : Brendan Eich <brendan@meer.net>
Date : Wed Mar 12 2003 09:02 am

Stephen Jones wrote:

>Is it possible to point multiple methods/function to the same static
>callback and somehow determine which method is being called? Ideally, I
>would like to query the string name of the method. Something like this:
>
>static JSBool StaticMethod(JSContext *cx, JSObject *obj, uintN argc, jsval
>*argv, jsval *rval)
>{
>    string theName = GetMethodName( );
>

Use argv[-2] -- JS_GetFunctionId((JSFunction *)JS_GetPrivate(cx, 
JSVAL_TO_OBJECT(argv[-2]))) if you must have the (JSString*) identifier, 
but there's probably a faster way to dispatch.

What kind of system are you building that shares a native function among 
several JS functions, btw?

/be

>
>    if ( theName == "foo" )
>    {
>        // do foo
>    }
>
>    else if ( theName == "bar" )
>    {
>        // do bar
>    }
>
>    return JS_TRUE;
>}
>
>Thanks,
>- Stephen Jones
>
>
>  
>

.