RFR: 8023524: Mechanism to dump generated lambda classes / log lambda code generation

[Remi Forax]

On 09/19/2013 09:27 AM, Florian Weimer wrote:
> On 09/19/2013 01:00 AM, Henry Jen wrote:
>
>>> Class names can contain '\' and other characters which are problematic
>>> on Windows.
>
>> Thanks for reviewing, I suspect you are pointing out a potential issue
>> to look at, not that the problem exists in current implementation.
>>
>> According to JLS 3.8, the classname(an identifier) can only have
>> letters, digits, plus '_' and '$'.
>
> You need to look at the JVM specification, there are only very few 
> characters it excludes.  The restrictions come from javac, not the 
> JVM.  For example, on Linux, "java '\'" will load a \.class file and 
> run it (yes, I tried).
>

There is a nice blog post about that:
https://blogs.oracle.com/jrose/entry/symbolic_freedom_in_the_vm

Rémi