Add a "scripted" breakpoint type to lldb.

This change allows you to write a new breakpoint type where the
logic for setting breakpoints is determined by a Python callback
written using the SB API's.

Differential Revision: https://reviews.llvm.org/D51830


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@342185 91177308-0d34-0410-b5e6-96231b3b80d8
27 files changed