package net.mograsim.plugin.launch;
+import static org.eclipse.core.resources.IResourceDelta.CHANGED;
+
+import java.io.IOException;
+import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
+import java.util.Optional;
+import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
+import java.util.function.Function;
+import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarkerDelta;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.debug.core.model.IStepFilters;
import org.eclipse.debug.core.model.IThread;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.ui.PlatformUI;
import net.mograsim.logic.model.LogicExecuter;
+import net.mograsim.machine.BitVectorMemory;
+import net.mograsim.machine.BitVectorMemoryDefinition;
import net.mograsim.machine.Machine;
import net.mograsim.machine.MachineDefinition;
+import net.mograsim.machine.StandardMainMemory;
+import net.mograsim.machine.mi.MicroInstructionMemoryParser;
+import net.mograsim.machine.mi.StandardMPROM;
+import net.mograsim.machine.standard.memory.AbstractAssignableBitVectorMemory;
+import net.mograsim.machine.standard.memory.BitVectorBasedMemoryParser;
import net.mograsim.plugin.MograsimActivator;
-import net.mograsim.plugin.launch.MachineLaunchConfigType.MachineLaunchParams;
public class MachineDebugTarget extends PlatformObject implements IDebugTarget, IMemoryBlockRetrievalExtension
{
+ private final static boolean USE_PSEUDO_THREAD = true;
+
private final ILaunch launch;
private final Machine machine;
private final LogicExecuter exec;
+ private final MachineThread thread;
+ private final IFile mpmFile;
+ private final Optional<IFile> mpromFile;
+ private final Optional<IFile> memFile;
private boolean running;
private final List<Consumer<Double>> executionSpeedListeners;
- private final MachineLaunchParams launchParams;
+ private final IResourceChangeListener resChangedListener;
- public MachineDebugTarget(ILaunch launch, MachineLaunchParams launchParams, MachineDefinition machineDefinition)
+ public MachineDebugTarget(ILaunch launch, IFile mpmFile, Optional<IFile> mpromFile, Optional<IFile> memFile,
+ MachineDefinition machineDefinition) throws CoreException
{
this.launch = launch;
this.machine = machineDefinition.createNew();
this.exec = new LogicExecuter(machine.getTimeline());
this.executionSpeedListeners = new ArrayList<>();
- this.launchParams = launchParams;
+ this.mpmFile = mpmFile;
+ this.mpromFile = mpromFile;
+ this.memFile = memFile;
+
+ assignMicroInstructionMemory();
+ assignMPROM();
+ assignMainMemory();
exec.startLiveExecution();
running = true;
getLaunch().addDebugTarget(this);
fireCreationEvent();
+
+ this.resChangedListener = this::resourceChanged;
+ ResourcesPlugin.getWorkspace().addResourceChangeListener(resChangedListener, IResourceChangeEvent.POST_CHANGE);
+
+ // create after creating ourself
+ this.thread = USE_PSEUDO_THREAD ? new MachineThread(this) : null;
}
public Machine getMachine()
return launch;
}
- public MachineLaunchParams getLaunchParams()
- {
- return launchParams;
- }
-
public double getExecutionSpeed()
{
return exec.getSpeedFactor();
if (isTerminated())
return;
+ ResourcesPlugin.getWorkspace().removeResourceChangeListener(resChangedListener);
exec.stopLiveExecution();
running = false;
fireTerminateEvent();
@Override
public boolean hasThreads() throws DebugException
{
- return false;
+ return USE_PSEUDO_THREAD;
}
@Override
public IThread[] getThreads() throws DebugException
{
- return new IThread[0];
+ return thread == null ? new IThread[0] : new IThread[] { thread };
}
public void addExecutionSpeedListener(Consumer<Double> executionSpeedListener)
throw new DebugException(
new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, DebugException.TARGET_REQUEST_FAILED, message, null));
}
+
+ private void resourceChanged(IResourceChangeEvent event)
+ {
+ if (event.getType() == IResourceChangeEvent.POST_CHANGE)
+ {
+ tryHotReplaceIfChanged(event, mpmFile, this::assignMicroInstructionMemory, "MPM");
+
+ if (mpromFile.isPresent())
+ tryHotReplaceIfChanged(event, mpromFile.get(), this::assignMPROM, "MPROM");
+ }
+ }
+
+ private static void tryHotReplaceIfChanged(IResourceChangeEvent event, IFile memFile, RunnableThrowingCoreException assign, String type)
+ {
+ IResourceDelta mpmDelta = event.getDelta().findMember(memFile.getFullPath());
+ if (mpmDelta != null && (mpmDelta.getKind() & CHANGED) == CHANGED && memFile.exists())
+ tryHotReplace(memFile, assign, type);
+ }
+
+ private static void tryHotReplace(IFile memFile, RunnableThrowingCoreException assign, String type)
+ {
+ AtomicBoolean doHotReplace = new AtomicBoolean();
+ PlatformUI.getWorkbench().getDisplay().syncExec(() ->
+ {
+ if (MessageDialog.openConfirm(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Hot Replace " + type + "?",
+ String.format("The " + type + " %s has been modified on the file system. Replace simulated " + type
+ + " with modified contents?", memFile.getName())))
+ doHotReplace.set(true);
+ });
+ if (doHotReplace.get())
+ {
+ try
+ {
+ assign.run();
+ }
+ catch (CoreException e)
+ {
+ PlatformUI.getWorkbench().getDisplay()
+ .asyncExec(() -> MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+ "Failed Hot Replace!",
+ "An error occurred trying to read the modified " + type + " from the file system: " + e.getMessage()));
+ }
+ }
+ }
+
+ private static interface RunnableThrowingCoreException
+ {
+ public void run() throws CoreException;
+ }
+
+ private void assignMicroInstructionMemory() throws CoreException
+ {
+ try (InputStream mpmStream = mpmFile.getContents())
+ {
+ machine.getMicroInstructionMemory().bind(
+ MicroInstructionMemoryParser.parseMemory(machine.getDefinition().getMicroInstructionMemoryDefinition(), mpmStream));
+ }
+ catch (IOException e)
+ {
+ throw new CoreException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading MPM file", e));
+ }
+ }
+
+ private void assignMPROM() throws CoreException
+ {
+ assignMemory(mpromFile, machine.getMPROM(), machine.getDefinition().getMPROMDefinition(), StandardMPROM::new, "MPROM");
+ }
+
+ private void assignMainMemory() throws CoreException
+ {
+ assignMemory(memFile, machine.getMainMemory(), machine.getDefinition().getMainMemoryDefinition(), StandardMainMemory::new,
+ "initial RAM");
+ }
+
+ private static <D extends BitVectorMemoryDefinition, M extends BitVectorMemory> void assignMemory(Optional<IFile> memFile,
+ AbstractAssignableBitVectorMemory<M> memoryToAssign, D definition, Function<D, M> newMemory, String type) throws CoreException
+ {
+ if (memFile.isPresent())
+ {
+ try (InputStream initialRAMStream = memFile.get().getContents())
+ {
+ M mem = newMemory.apply(definition);
+ BitVectorBasedMemoryParser.parseMemory(mem, initialRAMStream);
+ memoryToAssign.bind(mem);
+ }
+ catch (IOException e)
+ {
+ throw new CoreException(
+ new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading " + type + " file", e));
+ }
+ }
+ }
+
+ public IFile getMPMFile()
+ {
+ return mpmFile;
+ }
+
+ public Optional<IFile> getMPROMFile()
+ {
+ return mpromFile;
+ }
+
+ public Optional<IFile> getMEMFile()
+ {
+ return memFile;
+ }
}
\ No newline at end of file
projects / Mograsim.git / blobdiff