It is still impossible to debug my Emscripten code in Firefox. Given
that the prime developers of Emscripten work for Mozilla, I find this
amazing.

The built-in debugger claims there is only a single line of code in the
generated .js file:

    (function(){ { return Module['canvas'].clientWidth; } })

wc reports there are actually 355638 lines in the generate js file.

If the built-in debugger is running when I load the page, the load never
completes.

With Firebug, if I set a breakpoint in the js code, the re-load never
completes and it is not because the breakpoint is hit.

With both it is ridiculously easy to make the browser unresponsive.

Neither shows the original C/C++ source and I can't find a "use source
map" option. There is a "Use Original Source option in the built-in
debugger which is checked, but as you can see above it is showing me
only JavaScript.

I am using Firefox 33 on Windows 8.1 on a machine with 8.00GB and 3.4GHz
i7 CPU. That ought to be sufficient...

Will this ever be fixed? It makes working with Emscripten really difficult.

Once again I have to resort to leaving skid marks (printfs).

Filing bug reports on Firefox is difficult because I cannot provide
original source and we'll need internal discussions about the
acceptability of providing the JS at this point in the project.

Regards

    -Mark

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