* progmodes/gdb-mi.el (gdb-frame-number): Initialize with nil.
(gdb-overlay-arrow-position): Renamed to `gdb-disassembly-position'. (gdb-overlay-arrow-position, gdb-thread-position) (gdb-disassembly-position): Declare variables. (gdb-wait-for-pending): Function now. (gdb-add-subscriber, gdb-delete-subscriber, gdb-get-subscribers) (gdb-emit-signal, gdb-buf-publisher): Declare before first use so compilation goes smoothly. (gdb, gdb-non-stop, gdb-buffers): New customization groups. (gdb-non-stop-setting): New customization setting which replaces `gdb-non-stop' so changing it doesn't break active GDB session. (gdb-stack-buffer-locations, gdb-stack-buffer-addresses) (gdb-thread-buffer-verbose-names, gdb-thread-buffer-arguments) (gdb-thread-buffer-locations, gdb-thread-buffer-addresses) (gdb-show-threads-by-default): New customization options. (gdb-buffer-type, gdb-buffer-shows-main-thread-p): New helper routines. (gdb-get-buffer-create): Send buffers update signal when they are created. (gdb-invalidate-locals, gdb-invalidate-registers) (gdb-invalidate-breakpoints) (gdb-invalidate-threads, gdb-invalidate-disassembly) (gdb-invalidate-memory): Accept update signal. (gdb-current-context-command): Use --frame option. (gdb-update-gud-running, gdb-running, gdb-setq-thread-number): Implement `gdb-frame-number' selection logic. (gdb-show-run-p, gdb-show-stop-p): Helper functions which decide whether to show GUD toolbar buttons. (gdb-thread-exited): Unselect current thread when it exits. (gdb-stopped): Typo fixed (now really runs `gdb-stopped-hooks'). (gdb-mark-line): Routine which sets overlay arrow or inverses video on fringeless displays. (gdb-table, gdb-table-add-row, gdb-table-string): Structure used to build aligned columns of data in GDB buffers and set text properties line-by-line. (gdb-invalidate-breakpoints) (gdb-breakpoints-list-handler-custom) (gdb-thread-list-handler-custom, gdb-disassembly-handler-custom) (gdb-stack-list-frames-custom, gdb-locals-handler-custom) (gdb-registers-handler-custom): Align data columns. (gdb-locals-handler-custom): Now prints data like in variable declarations. (gdb-jump-to, gdb-file-button, gdb-insert-file-location-button): Removed confusing buttons. (gdb-invalidate-threads): Append --frame. (gdb-threads-mode-map, gdb-breakpoints-mode-map): TAB to switch between breakpoints/threads buffers. (gdb-set-window-buffer): Now can ignore dedicated windows. (gdb-propertize-header): Use `gdb-set-window-buffer'. (def-gdb-thread-buffer-simple-command): Numerous typos fixed. (def-gdb-thread-buffer-gud-command): Replaces `def-gdb-thread-buffer-gdb-command' and uses standard GUD commands for fine thread control. (gdb-preempt-existing-or-display-buffer): New function used to display bound buffers without breaking window layout. (gdb-frame-location): Replaces `gdb-insert-frame-location'. (gdb-select-frame): New version of `gdb-frames-select' which now sets `gdb-frame-number' so commands may use --frame option instead of inner debugger state. (gdb-frame-handler): Do not set `gdb-frame-number'. (gdb-threads-mode-map): Select threads with mouse.
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