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[Mograsim.git] / plugins / net.mograsim.plugin.core / src / net / mograsim / plugin / launch / MachineLaunchConfigType.java
index 03c481a..ab36508 100644 (file)
 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.debug.core.DebugPlugin;
+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()
        {
                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
+       {
+               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
        {
-               ResourcesPlugin.getWorkspace().addResourceChangeListener(resChangedListener,
-                               IResourceChangeEvent.POST_BUILD | IResourceChangeEvent.POST_CHANGE | IResourceChangeEvent.PRE_BUILD
-                                               | IResourceChangeEvent.PRE_CLOSE | IResourceChangeEvent.PRE_DELETE | IResourceChangeEvent.PRE_REFRESH);
-               System.out.println("launch");
-               // TODO start a machine
-               ProcessBuilder pb = new ProcessBuilder("cmd", "/c", "\"echo Press Enter... &&pause>NUL && echo finished\"");
-               try
+               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;
+
+               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())
                {
-                       launch.addProcess(DebugPlugin.newProcess(launch, pb.start(), ""));
+                       MicroInstructionMemory mpm = MicroInstructionMemoryParser
+                                       .parseMemory(machine.getDefinition().getMicroInstructionMemoryDefinition(), mpmStream);
+                       machine.getMicroInstructionMemory().bind(mpm);
                }
                catch (IOException e)
                {
-                       e.printStackTrace();
+                       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)
@@ -56,6 +193,33 @@ public class MachineLaunchConfigType extends LaunchConfigurationDelegate
                        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";
@@ -74,4 +238,31 @@ public class MachineLaunchConfigType extends LaunchConfigurationDelegate
                }
                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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