package net.mograsim.plugin.launch;
+import static org.eclipse.core.resources.IResourceDelta.CHANGED;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Optional;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
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.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.model.LaunchConfigurationDelegate;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.statushandlers.StatusManager;
+import net.mograsim.machine.Machine;
import net.mograsim.machine.MachineDefinition;
+import net.mograsim.machine.MainMemory;
+import net.mograsim.machine.MainMemoryDefinition;
+import net.mograsim.machine.mi.MicroInstructionMemory;
+import net.mograsim.machine.mi.MicroInstructionMemoryDefinition;
+import net.mograsim.machine.mi.MicroInstructionMemoryParser;
+import net.mograsim.machine.standard.memory.MainMemoryParser;
import net.mograsim.plugin.MograsimActivator;
import net.mograsim.plugin.nature.MachineContext;
+import net.mograsim.plugin.nature.MograsimNature;
import net.mograsim.plugin.nature.ProjectMachineContext;
public class MachineLaunchConfigType extends LaunchConfigurationDelegate
{
- public static final String PROJECT_ATTR = MograsimActivator.PLUGIN_ID + "project";
+ public static final String PROJECT_ATTR = MograsimActivator.PLUGIN_ID + ".project";
+ public static final String MPM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".mpm";
+ public static final String INITIAL_RAM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".initialram";
private final IResourceChangeListener resChangedListener;
+ private IFile mpmFile;
+ private Machine machine;
public MachineLaunchConfigType()
{
0);
}
+ @Override
+ public boolean preLaunchCheck(ILaunchConfiguration configuration, String mode, IProgressMonitor monitor) throws CoreException
+ {
+ String projName = configuration.getAttribute(PROJECT_ATTR, "");
+ if ("".equals(projName))
+ return showErrorAndReturnFalse("No project specified");
+
+ IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
+ if (!project.isAccessible())
+ return showErrorAndReturnFalse("Project not accessible");
+ if (!project.hasNature(MograsimNature.NATURE_ID))
+ return showErrorAndReturnFalse("Project is not a Mograsim project");
+
+ MachineContext machineContext = ProjectMachineContext.getMachineContextOf(project);
+ Optional<MachineDefinition> machDefOptional = machineContext.getMachineDefinition();
+ if (machDefOptional.isEmpty())
+ return showErrorAndReturnFalse("No machine definition set");
+
+ MachineDefinition machineDefinition = machDefOptional.orElseThrow();
+ MicroInstructionMemoryDefinition miMemDef = machineDefinition.getMicroInstructionMemoryDefinition();
+ MainMemoryDefinition mainMemDef = machineDefinition.getMainMemoryDefinition();
+
+ String mpmFileName = configuration.getAttribute(MPM_FILE_ATTR, "");
+ if ("".equals(mpmFileName))
+ return showErrorAndReturnFalse("No MPM file specified");
+
+ IFile mpmFile = project.getFile(mpmFileName);
+ if (mpmFile == null || !mpmFile.isAccessible())
+ return showErrorAndReturnFalse("MPM file not accessible");
+
+ try (InputStream mpmStream = mpmFile.getContents())
+ {
+ MicroInstructionMemoryParser.parseMemory(miMemDef, mpmStream);
+ }
+ catch (IOException e)
+ {
+ throw new CoreException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading MPM file", e));
+ }
+
+ String initialRAMFileName = configuration.getAttribute(INITIAL_RAM_FILE_ATTR, "");
+ if (!"".equals(initialRAMFileName))
+ {
+ IFile initialRAMFile = project.getFile(initialRAMFileName);
+ if (initialRAMFile == null || !initialRAMFile.isAccessible())
+ return showErrorAndReturnFalse("Initial RAM file not accessible");
+
+ try (InputStream initialRAMStream = initialRAMFile.getContents())
+ {
+ MainMemoryParser.parseMemory(mainMemDef, initialRAMStream);
+ }
+ catch (IOException e)
+ {
+ throw new CoreException(
+ new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading initial RAM file", e));
+ }
+ }
+
+ return super.preLaunchCheck(configuration, mode, monitor);
+ }
+
+ private static boolean showErrorAndReturnFalse(String message)
+ {
+ StatusManager.getManager().handle(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, message, null), StatusManager.SHOW);
+ return false;
+ }
+
@Override
public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor) throws CoreException
{
String projName = configuration.getAttribute(PROJECT_ATTR, "");
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
+
MachineContext machineContext = ProjectMachineContext.getMachineContextOf(project);
MachineDefinition machineDefinition = machineContext.getMachineDefinition().orElseThrow();
+ MainMemoryDefinition mainMemDef = machineDefinition.getMainMemoryDefinition();
+
+ String mpmName;
+ mpmFile = project.getFile(mpmName = configuration.getAttribute(MPM_FILE_ATTR, ""));
+
+ String initialRAMFileName = configuration.getAttribute(INITIAL_RAM_FILE_ATTR, "");
+ MainMemory mem;
+ if (!"".equals(initialRAMFileName))
+ {
+ IFile initialRAMFile = project.getFile(initialRAMFileName);
+ try (InputStream initialRAMStream = initialRAMFile.getContents())
+ {
+ mem = MainMemoryParser.parseMemory(mainMemDef, initialRAMStream);
+ }
+ catch (IOException e)
+ {
+ throw new CoreException(
+ new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading initial RAM file", e));
+ }
+ } else
+ mem = null;
- MachineDebugTarget debugTarget = new MachineDebugTarget(new MachineProcess(launch, machineDefinition));
- debugTarget.setExecutionSpeed(10d);
+ MachineLaunchParams params = new MachineLaunchParams(projName, mpmName, initialRAMFileName);
+ MachineDebugTarget debugTarget = new MachineDebugTarget(launch, params, machineDefinition);
+ debugTarget.suspend();
+ debugTarget.setExecutionSpeed(1);
+ machine = debugTarget.getMachine();
+ assignMicroInstructionMemory();
+ if (mem != null)
+ machine.getMainMemory().bind(mem);
+ machine.reset();
+ }
+
+ private void assignMicroInstructionMemory() throws CoreException
+ {
+ try (InputStream mpmStream = mpmFile.getContents())
+ {
+ MicroInstructionMemory mpm = MicroInstructionMemoryParser
+ .parseMemory(machine.getDefinition().getMicroInstructionMemoryDefinition(), mpmStream);
+ machine.getMicroInstructionMemory().bind(mpm);
+ }
+ catch (IOException e)
+ {
+ throw new CoreException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading MPM file", e));
+ }
}
private void resourceChanged(IResourceChangeEvent event)
{
- // TODO react to MPM changes
+ // TODO remove Sysout
int type = event.getType();
String typeStr;
switch (type)
break;
case IResourceChangeEvent.POST_CHANGE:
typeStr = "POST_CHANGE";
+ IResourceDelta mpmDelta;
+ if ((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()));
+ }
+ }
+ }
break;
case IResourceChangeEvent.PRE_BUILD:
typeStr = "PRE_BUILD";
}
System.out.println(typeStr + ": " + event);
}
+
+ public static class MachineLaunchParams
+ {
+ public final String projectPath, mpmPath, ramPath;
+
+ MachineLaunchParams(String projectPath, String mpmPath, String ramPath)
+ {
+ this.projectPath = projectPath;
+ this.mpmPath = mpmPath;
+ this.ramPath = ramPath;
+ }
+
+ public String getProjectPath()
+ {
+ return projectPath;
+ }
+
+ public String getMpmPath()
+ {
+ return mpmPath;
+ }
+
+ public String getRamPath()
+ {
+ return ramPath;
+ }
+ }
}
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