Supported lists

[mbartling]

Added ability to list toolchains, ides, targets in addition to the supported matrix output. Solves #306.

NOTE: This depends on ARMmbed/mbed-os#3993. @screamerbg @theotherjimmy can you guys think of a workaround? Should I just add a try catch?

   if supported:
        popen(['python', '-u', os.path.join(tools_dir, 'project.py')]
# The offending line
              + (['-S', supported] if supported else []) + (['-v'] if very_verbose else []),
              env=env)
        return

[bridadan]

Might be worth noting that this will probably fail with an error with mbed OS releases that didn't have the capability added in ARMmbed/mbed-os#3993. Should we be handling this error in this case (might not be necessary)?

[mbartling]

I'm not sure, @screamerbg what do you think?

[screamerbg]

@mbartling @bridadan I agree about backwards compatibility issue. This PR should follow after ARMmbed/mbed-os#3993 becomes mainline and widely used.

[mbartling]

FYI ARMmbed/mbed-os#3993 is now merged

[screamerbg]

@mbartling Can you rebase please?

[screamerbg]

@mbartling Do you feel this is ready to go in?
cc @theotherjimmy

[mbartling]

It's been a few months, do you think this has been main streamed in mbed-os?

[mbartling]

I think this should be ready to merge

[screamerbg]

@theotherjimmy please review.
@mbartling please rebase.

[theotherjimmy]

@screamerbg After the rebase, I'll review. @mbartling Could you ping me after the rebase is done so that I can review?

[mbartling]

@theotherjimmy rebase is complete

[theotherjimmy]

Looks great!