Extending console.log without affecting log line

I would like to extend the ‘console.log’ function to add additional information to its output – but I dont want to affect the script name/line number information generated by the browser in the console window. See how if I create my own implementation, I get useless trace information, should I want to locate that region of code… (they all link to the log implementation, not the actual script that caused the log message)

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Basically, my application is a very pluggable infrastructure, were any log output may occur within any number of frames.
As such, I want every log message to include a special unique identifier at the beginning of the log message.

I have tried replacing the console.log method with my own, but chrome complains with
Uncaught TypeError: Illegal invocation

this is how I override it

var orig = console.log;
console.log = function( message )
{
    orig( (window == top ? '[root]' : '[' + window.name + ']') + ': ' + message );
}

Any ideas?

[EDIT]
Note: After fixing the ‘illegal invocation’ problem, it seems the filename/linenumber is still ‘polluted’ by the override…

[EDIT]
It looks like the general answer is – NO – despite some confusing goose chases, the desired functionality is NOT achievable in the current versions of browsers.

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