Update README.md

UI: do not highlight pseudo-instructions ...such as labels.

Fix `VDBInstructionListApplication` to analyze blocks for standalone instruction list ...that is, for instructions without any "disassemblable" (function, address range). This is used in some inspector goodies on Compiler's code buffer.

Do not show address for (pseudo) instructions with no code While such instructions do not appear in GDB-produced disassembly, they may appear in some manually-generated instruction lists. One example of such (pseudo) instruction is label.

Relicense under MIT license.

python: add module vdb.utils.C ...containing a set of handy utilities to simplify writing Python scripts using C-like constructs. Useful when transcribing come C code to Python for use in GDB (for traversing data structures and so on).

UX: analyze basic block in a background job as this may take a while. Doing it in background make the UI a bit more responsive, especially when ArchC-based instruction dissector is used.

UX: cache disassembly and basic blocks

UX: do not update stacktrace for threads that are collapsed In that case, just arrange for stack to be lazily fetched when thread is expanded. This reduces the number of commands executed upon stop event.

Fix basic block splitting ...in cases the splitted block has no successor and/or precedessor.

python: add set/show variable vdb-autodebug When set to 'on', a Python debugger is automatically started upon error in Python code. This helps debugging Python scripts.

python: update MI command implementation to work with upstream GDB The final version of Python-implemented GDB/MI commands no longer force return value to be a single entry named `result`. This commit updates python accordingly.

python: support C++ types using multiple inheritance

python: use dynamic (runtime) type when looking up pretty-printers ...rather than static type.

python: add special handling of C++ null pointers This commit adds special handling in C++ printers so that null pointers are detected and printed as `nullptr`. This is done automatically when looking up pretty-printer so individual pretty-printers do not need to care.

UI: add theming support to variable list

UX: try harder to avoid flickering of variable list when single-stepping ...by: i) preserving (if possible) the list of varobj POs and POs and only updating their underlaying varobj ii) forcing varobj to fetch (and cache!) `#hasChilren` / `#hasChanged` so that subsequent queries while rendering do not require GDB/MI roundtrip.

UX: do not fetch registers if register list is not visible.

Fix `VDBAbstractApplication >> #doPinMenuAs:item:` Use (new) `#hasVerticalLayout:` instead of (obsolete) `#verticalLayout:`

UX: allow to enable/disable breakpoints when debugee is not running CLI allows to enable/disable existing breakpoints even when debugee is finished or terminated. This fixes breakpoint list to allow the same.

UI: update instruction list when breakpoint is added/removed/updated

UI: add workaround to avoid 'cheese' in terminal view When scrolling, sometimes top few pixels are 'cropped'. Why's that I do not know but it makes VDB debugger console hard to read. This commit works around this issue by forcing full invalidate upon scrolling. Certainly an ugly hack!

Catch up with rename of `GDBEventSet*` events to `GDBEventSequence*`

UX: refresh instruction list when instruction memory has changed ...such as when debugger writes into instruction memory.

UI: temporary fix to avoid register list flickering when single-stepping This commit prevents annying flickering when updating register list after single-step. This is cause by slow refetch of all register values. To avoid this, we first force all registers to refetch value and then schedule redraw. However, a proper solution would be to move this up to `VDBAbstractListApplication` and do it there and only for list items which a visible. This is left as future work - once done, this commit should be reverted.

UX: hilight changed register when changed via API

UI: add theme support to register list

Always call `super subscribe` when overriding

UX: refactor double-click / inspect in lists ...to inspect in the same inspector if the VDB list is used as an view (tab) in inspector.

Preserve successors when splitting basic blocks