X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=plugins%2Fnet.mograsim.plugin.core%2Fsrc%2Fnet%2Fmograsim%2Fplugin%2Flaunch%2FMachineDebugTarget.java;h=ca7480434e927dfb3407954395f14728f9c6b0eb;hb=13577856cd85c46f2cd4ad956332697bc820f425;hp=328c58907599f22bcd19b01434cec7c25623958b;hpb=a6f5743665014d5590c1b2a314cb4a6888ec2245;p=Mograsim.git

diff --git a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MachineDebugTarget.java b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MachineDebugTarget.java
index 328c5890..ca748043 100644
--- a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MachineDebugTarget.java
+++ b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MachineDebugTarget.java
@@ -1,6 +1,22 @@
 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 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;
@@ -18,31 +34,58 @@ import org.eclipse.debug.core.model.IMemoryBlockRetrievalExtension;
 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.Machine;
 import net.mograsim.machine.MachineDefinition;
+import net.mograsim.machine.mi.MicroInstructionMemoryParser;
+import net.mograsim.machine.standard.memory.MainMemoryParser;
 import net.mograsim.plugin.MograsimActivator;
 
 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> memFile;
 
 	private boolean running;
 
-	public MachineDebugTarget(ILaunch launch, MachineDefinition machineDefinition)
+	private final List<Consumer<Double>> executionSpeedListeners;
+
+	private final IResourceChangeListener resChangedListener;
+
+	public MachineDebugTarget(ILaunch launch, IFile mpmFile, 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.mpmFile = mpmFile;
+		this.memFile = memFile;
+
+		assignMicroInstructionMemory();
+		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()
@@ -74,9 +117,18 @@ public class MachineDebugTarget extends PlatformObject implements IDebugTarget,
 		return launch;
 	}
 
+	public double getExecutionSpeed()
+	{
+		return exec.getSpeedFactor();
+	}
+
 	public void setExecutionSpeed(double speed)
 	{
-		exec.setSpeedFactor(speed);
+		if (getExecutionSpeed() != speed)
+		{
+			exec.setSpeedFactor(speed);
+			callExecutionSpeedListener(speed);
+		}
 	}
 
 	@Override
@@ -139,6 +191,7 @@ public class MachineDebugTarget extends PlatformObject implements IDebugTarget,
 		if (isTerminated())
 			return;
 
+		ResourcesPlugin.getWorkspace().removeResourceChangeListener(resChangedListener);
 		exec.stopLiveExecution();
 		running = false;
 		fireTerminateEvent();
@@ -215,13 +268,28 @@ public class MachineDebugTarget extends PlatformObject implements IDebugTarget,
 	@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)
+	{
+		executionSpeedListeners.add(executionSpeedListener);
+	}
+
+	public void removeExecutionSpeedListener(Consumer<Double> executionSpeedListener)
+	{
+		executionSpeedListeners.remove(executionSpeedListener);
+	}
+
+	private void callExecutionSpeedListener(double executionSpeed)
+	{
+		executionSpeedListeners.forEach(l -> l.accept(executionSpeed));
 	}
 
 	@SuppressWarnings("unchecked")
@@ -300,4 +368,75 @@ public class MachineDebugTarget extends PlatformObject implements IDebugTarget,
 		throw new DebugException(
 				new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, DebugException.TARGET_REQUEST_FAILED, message, null));
 	}
+
+	private void resourceChanged(IResourceChangeEvent event)
+	{
+		IResourceDelta mpmDelta;
+		if (event.getType() == IResourceChangeEvent.POST_CHANGE && (mpmDelta = event.getDelta().findMember(mpmFile.getFullPath())) != null
+				&& (mpmDelta.getKind() & CHANGED) == CHANGED && mpmFile.exists())
+		{
+			AtomicBoolean doHotReplace = new AtomicBoolean();
+			PlatformUI.getWorkbench().getDisplay().syncExec(() ->
+			{
+				if (MessageDialog.openConfirm(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Hot Replace MPM?",
+						String.format("The MPM %s has been modified on the file system. Replace simulated MPM with modified contents?",
+								mpmFile.getName())))
+					doHotReplace.set(true);
+			});
+			if (doHotReplace.get())
+			{
+				try
+				{
+					assignMicroInstructionMemory();
+				}
+				catch (CoreException e)
+				{
+					PlatformUI.getWorkbench().getDisplay()
+							.asyncExec(() -> MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+									"Failed Hot Replace!",
+									"An error occurred trying to read the modified MPM from the file system: " + e.getMessage()));
+				}
+			}
+		}
+	}
+
+	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 assignMainMemory() throws CoreException
+	{
+		if (memFile.isPresent())
+		{
+			try (InputStream initialRAMStream = memFile.get().getContents())
+			{
+				machine.getMainMemory()
+						.bind(MainMemoryParser.parseMemory(machine.getDefinition().getMainMemoryDefinition(), initialRAMStream));
+			}
+			catch (IOException e)
+			{
+				throw new CoreException(
+						new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading initial RAM file", e));
+			}
+		}
+	}
+
+	public IFile getMPMFile()
+	{
+		return mpmFile;
+	}
+
+	public Optional<IFile> getMEMFile()
+	{
+		return memFile;
+	}
 }
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