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.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
+import org.eclipse.debug.core.model.IMemoryBlock;
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.BitVectorMemoryDefinition;
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.MPROMDefinition;
import net.mograsim.machine.mi.MicroInstructionMemoryDefinition;
import net.mograsim.machine.mi.MicroInstructionMemoryParser;
-import net.mograsim.machine.standard.memory.MainMemoryParser;
+import net.mograsim.machine.standard.memory.BitVectorBasedMemoryParser;
+import net.mograsim.machine.standard.memory.StandardBitVectorMemory;
import net.mograsim.plugin.MograsimActivator;
import net.mograsim.plugin.nature.MachineContext;
import net.mograsim.plugin.nature.MograsimNature;
{
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 MPROM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".mprom";
public static final String INITIAL_RAM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".initialram";
- private final IResourceChangeListener resChangedListener;
- private IFile mpmFile;
- private Machine machine;
-
- public MachineLaunchConfigType()
- {
- this.resChangedListener = this::resourceChanged;
- ResourcesPlugin.getWorkspace().addResourceChangeListener(resChangedListener,
- // IResourceChangeEvent.POST_BUILD |
- IResourceChangeEvent.POST_CHANGE |
- // IResourceChangeEvent.PRE_BUILD |
- // IResourceChangeEvent.PRE_CLOSE |
- // IResourceChangeEvent.PRE_DELETE |
- // IResourceChangeEvent.PRE_REFRESH |
- 0);
- }
-
@Override
public boolean preLaunchCheck(ILaunchConfiguration configuration, String mode, IProgressMonitor monitor) throws CoreException
{
MachineDefinition machineDefinition = machDefOptional.orElseThrow();
MicroInstructionMemoryDefinition miMemDef = machineDefinition.getMicroInstructionMemoryDefinition();
MainMemoryDefinition mainMemDef = machineDefinition.getMainMemoryDefinition();
+ MPROMDefinition mpromDef = machineDefinition.getMPROMDefinition();
String mpmFileName = configuration.getAttribute(MPM_FILE_ATTR, "");
if ("".equals(mpmFileName))
throw new CoreException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading MPM file", e));
}
+ String mpromFileName = configuration.getAttribute(MPROM_FILE_ATTR, "");
+ if (!checkMemoryFileReadable(project, mpromDef, mpromFileName, "MPROM"))
+ return false;
+
String initialRAMFileName = configuration.getAttribute(INITIAL_RAM_FILE_ATTR, "");
- if (!"".equals(initialRAMFileName))
+ if (!checkMemoryFileReadable(project, mainMemDef, initialRAMFileName, "initial RAM"))
+ return false;
+
+ return super.preLaunchCheck(configuration, mode, monitor);
+ }
+
+ private static boolean checkMemoryFileReadable(IProject project, BitVectorMemoryDefinition mainMemDef, String fileName, String fileType)
+ throws CoreException
+ {
+ if (!"".equals(fileName))
{
- IFile initialRAMFile = project.getFile(initialRAMFileName);
+ IFile initialRAMFile = project.getFile(fileName);
if (initialRAMFile == null || !initialRAMFile.isAccessible())
- return showErrorAndReturnFalse("Initial RAM file not accessible");
+ return showErrorAndReturnFalse(fileType + " file not accessible");
try (InputStream initialRAMStream = initialRAMFile.getContents())
{
- MainMemoryParser.parseMemory(mainMemDef, initialRAMStream);
+ BitVectorBasedMemoryParser.parseMemory(new StandardBitVectorMemory<>(mainMemDef), initialRAMStream);
}
catch (IOException e)
{
throw new CoreException(
- new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading initial RAM file", e));
+ new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading " + fileType + " file", e));
}
}
-
- return super.preLaunchCheck(configuration, mode, monitor);
+ return true;
}
private static boolean showErrorAndReturnFalse(String message)
MachineContext machineContext = ProjectMachineContext.getMachineContextOf(project);
MachineDefinition machineDefinition = machineContext.getMachineDefinition().orElseThrow();
- MainMemoryDefinition mainMemDef = machineDefinition.getMainMemoryDefinition();
-
- mpmFile = project.getFile(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(launch, machineDefinition);
+ IFile mpmFile = project.getFile(configuration.getAttribute(MPM_FILE_ATTR, ""));
+ Optional<IFile> mpromFile = fileOptional(project, configuration.getAttribute(MPROM_FILE_ATTR, ""));
+ Optional<IFile> memFile = fileOptional(project, configuration.getAttribute(INITIAL_RAM_FILE_ATTR, ""));
+ MachineDebugTarget debugTarget = new MachineDebugTarget(launch, mpmFile, mpromFile, memFile, machineDefinition);
+ // TODO make selectable whether the machine starts paused or not
debugTarget.suspend();
debugTarget.setExecutionSpeed(1);
- machine = debugTarget.getMachine();
- assignMicroInstructionMemory();
- if (mem != null)
- machine.getMainMemory().bind(mem);
+ Machine machine = debugTarget.getMachine();
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));
- }
+ // Add the default Mograsim memory block to make it less confusing and more comfortable.
+ DebugPlugin.getDefault().getMemoryBlockManager()
+ .addMemoryBlocks(new IMemoryBlock[] { new MainMemoryBlockExtension(debugTarget, "0", null) });
}
- private void resourceChanged(IResourceChangeEvent event)
+ private static Optional<IFile> fileOptional(IProject project, String filename)
{
- // TODO remove Sysout
- int type = event.getType();
- String typeStr;
- switch (type)
- {
- case IResourceChangeEvent.POST_BUILD:
- typeStr = "POST_BUILD";
- 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";
- break;
- case IResourceChangeEvent.PRE_CLOSE:
- typeStr = "PRE_CLOSE";
- break;
- case IResourceChangeEvent.PRE_DELETE:
- typeStr = "PRE_DELETE";
- break;
- case IResourceChangeEvent.PRE_REFRESH:
- typeStr = "PRE_REFRESH";
- break;
- default:
- typeStr = "<unknown: " + type + ">";
- }
- System.out.println(typeStr + ": " + event);
+ if ("".equals(filename))
+ return Optional.empty();
+ return Optional.of(project.getFile(filename));
}
+
}
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