1 package net.mograsim.plugin.launch;
3 import java.io.IOException;
4 import java.io.InputStream;
5 import java.util.Optional;
7 import org.eclipse.core.resources.IFile;
8 import org.eclipse.core.resources.IProject;
9 import org.eclipse.core.resources.ResourcesPlugin;
10 import org.eclipse.core.runtime.CoreException;
11 import org.eclipse.core.runtime.IProgressMonitor;
12 import org.eclipse.core.runtime.IStatus;
13 import org.eclipse.core.runtime.Status;
14 import org.eclipse.debug.core.DebugPlugin;
15 import org.eclipse.debug.core.ILaunch;
16 import org.eclipse.debug.core.ILaunchConfiguration;
17 import org.eclipse.debug.core.model.IMemoryBlock;
18 import org.eclipse.debug.core.model.LaunchConfigurationDelegate;
19 import org.eclipse.ui.statushandlers.StatusManager;
21 import net.mograsim.machine.BitVectorMemoryDefinition;
22 import net.mograsim.machine.Machine;
23 import net.mograsim.machine.MachineDefinition;
24 import net.mograsim.machine.MainMemoryDefinition;
25 import net.mograsim.machine.mi.MPROMDefinition;
26 import net.mograsim.machine.mi.MicroInstructionMemoryDefinition;
27 import net.mograsim.machine.mi.MicroInstructionMemoryParser;
28 import net.mograsim.machine.standard.memory.BitVectorBasedMemoryParser;
29 import net.mograsim.machine.standard.memory.StandardBitVectorMemory;
30 import net.mograsim.plugin.MograsimActivator;
31 import net.mograsim.plugin.nature.MachineContext;
32 import net.mograsim.plugin.nature.MograsimNature;
33 import net.mograsim.plugin.nature.ProjectMachineContext;
35 public class MachineLaunchConfigType extends LaunchConfigurationDelegate
37 public static final String PROJECT_ATTR = MograsimActivator.PLUGIN_ID + ".project";
38 public static final String MPM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".mpm";
39 public static final String MPROM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".mprom";
40 public static final String INITIAL_RAM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".initialram";
43 public boolean preLaunchCheck(ILaunchConfiguration configuration, String mode, IProgressMonitor monitor) throws CoreException
45 String projName = configuration.getAttribute(PROJECT_ATTR, "");
46 if ("".equals(projName))
47 return showErrorAndReturnFalse("No project specified");
49 IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
50 if (!project.isAccessible())
51 return showErrorAndReturnFalse("Project not accessible");
52 if (!project.hasNature(MograsimNature.NATURE_ID))
53 return showErrorAndReturnFalse("Project is not a Mograsim project");
55 MachineContext machineContext = ProjectMachineContext.getMachineContextOf(project);
56 Optional<MachineDefinition> machDefOptional = machineContext.getMachineDefinition();
57 if (machDefOptional.isEmpty())
58 return showErrorAndReturnFalse("No machine definition set");
60 MachineDefinition machineDefinition = machDefOptional.orElseThrow();
61 MicroInstructionMemoryDefinition miMemDef = machineDefinition.getMicroInstructionMemoryDefinition();
62 MainMemoryDefinition mainMemDef = machineDefinition.getMainMemoryDefinition();
63 MPROMDefinition mpromDef = machineDefinition.getMPROMDefinition();
65 String mpmFileName = configuration.getAttribute(MPM_FILE_ATTR, "");
66 if ("".equals(mpmFileName))
67 return showErrorAndReturnFalse("No MPM file specified");
69 IFile mpmFile = project.getFile(mpmFileName);
70 if (mpmFile == null || !mpmFile.isAccessible())
71 return showErrorAndReturnFalse("MPM file not accessible");
73 try (InputStream mpmStream = mpmFile.getContents())
75 MicroInstructionMemoryParser.parseMemory(miMemDef, mpmStream);
79 throw new CoreException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading MPM file", e));
82 String mpromFileName = configuration.getAttribute(MPROM_FILE_ATTR, "");
83 if (!checkMemoryFileReadable(project, mpromDef, mpromFileName, "MPROM"))
86 String initialRAMFileName = configuration.getAttribute(INITIAL_RAM_FILE_ATTR, "");
87 if (!checkMemoryFileReadable(project, mainMemDef, initialRAMFileName, "initial RAM"))
90 return super.preLaunchCheck(configuration, mode, monitor);
93 private static boolean checkMemoryFileReadable(IProject project, BitVectorMemoryDefinition mainMemDef, String fileName, String fileType)
96 if (!"".equals(fileName))
98 IFile initialRAMFile = project.getFile(fileName);
99 if (initialRAMFile == null || !initialRAMFile.isAccessible())
100 return showErrorAndReturnFalse(fileType + " file not accessible");
102 try (InputStream initialRAMStream = initialRAMFile.getContents())
104 BitVectorBasedMemoryParser.parseMemory(new StandardBitVectorMemory<>(mainMemDef), initialRAMStream);
106 catch (IOException e)
108 throw new CoreException(
109 new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading " + fileType + " file", e));
115 private static boolean showErrorAndReturnFalse(String message)
117 StatusManager.getManager().handle(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, message, null), StatusManager.SHOW);
122 public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor) throws CoreException
124 String projName = configuration.getAttribute(PROJECT_ATTR, "");
125 IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
127 MachineContext machineContext = ProjectMachineContext.getMachineContextOf(project);
128 MachineDefinition machineDefinition = machineContext.getMachineDefinition().orElseThrow();
130 IFile mpmFile = project.getFile(configuration.getAttribute(MPM_FILE_ATTR, ""));
131 Optional<IFile> mpromFile = fileOptional(project, configuration.getAttribute(MPROM_FILE_ATTR, ""));
132 Optional<IFile> memFile = fileOptional(project, configuration.getAttribute(INITIAL_RAM_FILE_ATTR, ""));
133 MachineDebugTarget debugTarget = new MachineDebugTarget(launch, mpmFile, mpromFile, memFile, machineDefinition);
134 // TODO make selectable whether the machine starts paused or not
135 debugTarget.suspend();
136 debugTarget.setExecutionSpeed(1);
137 Machine machine = debugTarget.getMachine();
140 // Add the default Mograsim memory block to make it less confusing and more comfortable.
141 DebugPlugin.getDefault().getMemoryBlockManager()
142 .addMemoryBlocks(new IMemoryBlock[] { new MainMemoryBlockExtension(debugTarget, "0", null) });
145 private static Optional<IFile> fileOptional(IProject project, String filename)
147 if ("".equals(filename))
148 return Optional.empty();
149 return Optional.of(project.getFile(filename));