Remove switch-based stepping machine and implement state-class based engine instead.
frysk-core/frysk/rt: 2007-04-19 Mike Cvet <mcvet@redhat.com> * RunState.java: Removed, via #4395. Most of logic moved to SteppingEngine.java. * SteppingEngine.java: Added. Fixes #4395. (SteppingBreakpoint): Added. (ThreadLifeObserver): Moved over from RunState.java. (SteppingObserver): Added. * TaskStepEngine.java: Added. * TestSteppingEngine.java: Added. Logic moved over from TestRunState.java. * TestStepping.java: Fixups for RunState -> SteppingEngine move. * TestRunState.java: Removed. * TestStackBacktrace.java: Fixups for the RunState -> SteppingEngine move. * BreakpointObserver.java: Ditto. * LineBreakpoint.java: Ditto. * Breakpoint.java: Added. (PersistentBreakpoint): Added. * SourceBreakpoint.java: Fixups for RunState -> SteppingEngine move, and PersistantBreakpoint move to Breakpoint.java. * states/InstructionStepState.java: Added. * states/LineStepState.java: Added. * states/NextInstructionStepState.java: Added. * states/NextInstructionStepTestState.java: Added. * states/RunningState.java: Added. * states/State.java: Added. * states/StepAdvanceState.java: Added. * states/StepOutState.java: Added. * states/StepOverState.java: Added. * states/StepOverTestState.java: Added. * states/StoppedState.java: Added. frysk-core/frysk/hpd: 2007-04-19 Mike Cvet <mcvet@redhat.com> * hpd/CLI.java: General fixes for RunState -> SteppingEngine move. (steppingObserver): Renamed from runStateObserver. (ListHandler.handle): No-debuginfo exception fix. (SteppingObserver): Renamed from RunStateObserver. (SteppingObserver.update): Return if argument is null. (getRunState): Removed. * hpd/BreakpointHandler.java: SteppingEngine fixes. * hpd/FunctionBreakpointAdapter.java: Ditto. * hpd/LineBreakpointAdapter.java: Ditto. frysk-gui/frysk/gui/srcwin: 2007-04-19 Mike Cvet <mcvet@redhat.com> * SourceView.java (SourceViewListener.mouseMotionEvent): Call SourceWindow.isRunning(). * SourceWindowFactory.java: General SteppingEngine fixups. * SourceWindow.java: Ditto. frysk-gui/frysk/gui: 2007-04-19 Mike Cvet <mcvet@redhat.com> * disassembler/DisassemblyWindowFactory.java: SteppingEngine fixes. * memory/MemoryWindowFactory.java: Ditto. * register/RegisterWindowFactory.java: Ditto.