--- /dev/null
+package net.mograsim.plugin.launch;
+
+import java.util.Arrays;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.PlatformObject;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.core.DebugEvent;
+import org.eclipse.debug.core.DebugException;
+import org.eclipse.debug.core.DebugPlugin;
+import org.eclipse.debug.core.ILaunch;
+import org.eclipse.debug.core.model.IBreakpoint;
+import org.eclipse.debug.core.model.IDebugTarget;
+import org.eclipse.debug.core.model.IStackFrame;
+import org.eclipse.debug.core.model.IThread;
+
+import net.mograsim.machine.Machine;
+import net.mograsim.plugin.MograsimActivator;
+
+public class MachineThread extends PlatformObject implements IThread
+{
+ private final MachineDebugTarget debugTarget;
+ private final MachineStackFrame stackFrame;
+
+ public MachineThread(MachineDebugTarget debugTarget)
+ {
+ this.debugTarget = debugTarget;
+ this.stackFrame = new MachineStackFrame(this);
+
+ DebugPlugin.getDefault().addDebugEventListener(es -> Arrays.stream(es).filter(e -> e.getSource() == debugTarget).forEach(e ->
+ {
+ switch (e.getKind())
+ {
+ case DebugEvent.RESUME:
+ fireResumeEvent(e.getDetail());
+ break;
+ case DebugEvent.SUSPEND:
+ fireSuspendEvent(e.getDetail());
+ break;
+ default:
+ }
+ }));
+
+ fireCreationEvent();
+ }
+
+ @Override
+ public String getModelIdentifier()
+ {
+ return MograsimActivator.PLUGIN_ID;
+ }
+
+ public Machine getMachine()
+ {
+ return debugTarget.getMachine();
+ }
+
+ @Override
+ public IDebugTarget getDebugTarget()
+ {
+ return debugTarget;
+ }
+
+ @Override
+ public ILaunch getLaunch()
+ {
+ return debugTarget.getLaunch();
+ }
+
+ @Override
+ public boolean canResume()
+ {
+ return debugTarget.canResume();
+ }
+
+ @Override
+ public boolean canSuspend()
+ {
+ return debugTarget.canSuspend();
+ }
+
+ @Override
+ public boolean isSuspended()
+ {
+ return debugTarget.isSuspended();
+ }
+
+ @Override
+ public void resume() throws DebugException
+ {
+ debugTarget.resume();
+ }
+
+ @Override
+ public void suspend() throws DebugException
+ {
+ debugTarget.suspend();
+ }
+
+ @Override
+ public boolean canStepInto()
+ {
+ return false;
+ }
+
+ // TODO step over sounds like single-step execution...
+ @Override
+ public boolean canStepOver()
+ {
+ return false;
+ }
+
+ @Override
+ public boolean canStepReturn()
+ {
+ return false;
+ }
+
+ @Override
+ public boolean isStepping()
+ {
+ return false;
+ }
+
+ @Override
+ public void stepInto() throws DebugException
+ {
+ throw new DebugException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Can't step into for a machine thread"));
+ }
+
+ @Override
+ public void stepOver() throws DebugException
+ {
+ throw new DebugException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Can't step over for a machine thread"));
+ }
+
+ @Override
+ public void stepReturn() throws DebugException
+ {
+ throw new DebugException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Can't step return for a machine thread"));
+ }
+
+ @Override
+ public boolean canTerminate()
+ {
+ return debugTarget.canTerminate();
+ }
+
+ @Override
+ public boolean isTerminated()
+ {
+ return debugTarget.isTerminated();
+ }
+
+ @Override
+ public void terminate() throws DebugException
+ {
+ debugTarget.terminate();
+ }
+
+ @Override
+ public IStackFrame[] getStackFrames() throws DebugException
+ {
+ return isSuspended() ? new IStackFrame[] { stackFrame } : new IStackFrame[0];
+ }
+
+ @Override
+ public boolean hasStackFrames() throws DebugException
+ {
+ // required by Eclipse: see javadoc for org.eclipse.debug.core.DebugEvent
+ return isSuspended();
+ }
+
+ @Override
+ public int getPriority() throws DebugException
+ {
+ return 0;
+ }
+
+ @Override
+ public IStackFrame getTopStackFrame() throws DebugException
+ {
+ return stackFrame;
+ }
+
+ @Override
+ public String getName() throws DebugException
+ {
+ return "pseudo thread";
+ }
+
+ @Override
+ public IBreakpoint[] getBreakpoints()
+ {
+ return new IBreakpoint[0];
+ }
+
+ /**
+ * Fires a creation event for this debug element.
+ */
+ private void fireCreationEvent()
+ {
+ fireEvent(new DebugEvent(this, DebugEvent.CREATE));
+ }
+
+ /**
+ * Fires a resume for this debug element with the specified detail code.
+ *
+ * @param detail detail code for the resume event, such as <code>DebugEvent.STEP_OVER</code>
+ */
+ private void fireResumeEvent(int detail)
+ {
+ fireEvent(new DebugEvent(this, DebugEvent.RESUME, detail));
+ }
+
+ /**
+ * Fires a suspend event for this debug element with the specified detail code.
+ *
+ * @param detail detail code for the suspend event, such as <code>DebugEvent.BREAKPOINT</code>
+ */
+ private void fireSuspendEvent(int detail)
+ {
+ fireEvent(new DebugEvent(this, DebugEvent.SUSPEND, detail));
+ }
+
+ /**
+ * Fires a debug event.
+ *
+ * @param event debug event to fire
+ */
+ private static void fireEvent(DebugEvent event)
+ {
+ DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { event });
+ }
+}
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projects / Mograsim.git / blobdiff