Add source file and line to async functions on the debugger async stack. This information is only added for async functions which are not actually being executed. Those exist on the normal stack, and their location information is visible there. The location added for async functions which are not running is that of the yield which has caused the continuation to pause.
Differential Revision: D930103
Expose the async stack in the debugger. This is the stack of, say, generators driven from the ASIO extension. This is a modification to the where command. The new command type accounts for back compat between old servers/clients. I've added a shortcut, "wa", which is a bit faster to type.
I also modified the normal stack trace to not print bogus lines for functions with no file/line info.
Differential Revision: D920910
The debugger's API mode added a lot of extra complexity to the debugger client for minimal value. It also had a bunch of bugs, and unnecessarily tied alternate debugger clients to the command line client implementation. Deleting it.
Differential Revision: D912729
Mike Magruder