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.Machine;
22 import net.mograsim.machine.MachineDefinition;
23 import net.mograsim.machine.MainMemoryDefinition;
24 import net.mograsim.machine.mi.MicroInstructionMemoryDefinition;
25 import net.mograsim.machine.mi.MicroInstructionMemoryParser;
26 import net.mograsim.machine.standard.memory.MainMemoryParser;
27 import net.mograsim.plugin.MograsimActivator;
28 import net.mograsim.plugin.nature.MachineContext;
29 import net.mograsim.plugin.nature.MograsimNature;
30 import net.mograsim.plugin.nature.ProjectMachineContext;
32 public class MachineLaunchConfigType extends LaunchConfigurationDelegate
34 public static final String PROJECT_ATTR = MograsimActivator.PLUGIN_ID + ".project";
35 public static final String MPM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".mpm";
36 public static final String INITIAL_RAM_FILE_ATTR = MograsimActivator.PLUGIN_ID + ".initialram";
38 private IFile mpmFile;
39 private Machine machine;
42 public boolean preLaunchCheck(ILaunchConfiguration configuration, String mode, IProgressMonitor monitor) throws CoreException
44 String projName = configuration.getAttribute(PROJECT_ATTR, "");
45 if ("".equals(projName))
46 return showErrorAndReturnFalse("No project specified");
48 IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
49 if (!project.isAccessible())
50 return showErrorAndReturnFalse("Project not accessible");
51 if (!project.hasNature(MograsimNature.NATURE_ID))
52 return showErrorAndReturnFalse("Project is not a Mograsim project");
54 MachineContext machineContext = ProjectMachineContext.getMachineContextOf(project);
55 Optional<MachineDefinition> machDefOptional = machineContext.getMachineDefinition();
56 if (machDefOptional.isEmpty())
57 return showErrorAndReturnFalse("No machine definition set");
59 MachineDefinition machineDefinition = machDefOptional.orElseThrow();
60 MicroInstructionMemoryDefinition miMemDef = machineDefinition.getMicroInstructionMemoryDefinition();
61 MainMemoryDefinition mainMemDef = machineDefinition.getMainMemoryDefinition();
63 String mpmFileName = configuration.getAttribute(MPM_FILE_ATTR, "");
64 if ("".equals(mpmFileName))
65 return showErrorAndReturnFalse("No MPM file specified");
67 IFile mpmFile = project.getFile(mpmFileName);
68 if (mpmFile == null || !mpmFile.isAccessible())
69 return showErrorAndReturnFalse("MPM file not accessible");
71 try (InputStream mpmStream = mpmFile.getContents())
73 MicroInstructionMemoryParser.parseMemory(miMemDef, mpmStream);
77 throw new CoreException(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading MPM file", e));
80 String initialRAMFileName = configuration.getAttribute(INITIAL_RAM_FILE_ATTR, "");
81 if (!"".equals(initialRAMFileName))
83 IFile initialRAMFile = project.getFile(initialRAMFileName);
84 if (initialRAMFile == null || !initialRAMFile.isAccessible())
85 return showErrorAndReturnFalse("Initial RAM file not accessible");
87 try (InputStream initialRAMStream = initialRAMFile.getContents())
89 MainMemoryParser.parseMemory(mainMemDef, initialRAMStream);
93 throw new CoreException(
94 new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, "Unexpected IO exception reading initial RAM file", e));
98 return super.preLaunchCheck(configuration, mode, monitor);
101 private static boolean showErrorAndReturnFalse(String message)
103 StatusManager.getManager().handle(new Status(IStatus.ERROR, MograsimActivator.PLUGIN_ID, message, null), StatusManager.SHOW);
108 public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor) throws CoreException
110 String projName = configuration.getAttribute(PROJECT_ATTR, "");
111 IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
113 MachineContext machineContext = ProjectMachineContext.getMachineContextOf(project);
114 MachineDefinition machineDefinition = machineContext.getMachineDefinition().orElseThrow();
116 mpmFile = project.getFile(configuration.getAttribute(MPM_FILE_ATTR, ""));
118 String initialRAMFileName = configuration.getAttribute(INITIAL_RAM_FILE_ATTR, "");
119 Optional<IFile> memFile = Optional.empty();
120 if (!"".equals(initialRAMFileName))
122 memFile = Optional.of(project.getFile(initialRAMFileName));
124 MachineDebugTarget debugTarget = new MachineDebugTarget(launch, mpmFile, memFile, machineDefinition);
125 // TODO make selectable whether the machine starts paused or not
126 debugTarget.suspend();
127 debugTarget.setExecutionSpeed(1);
128 machine = debugTarget.getMachine();
131 // Add the default Mograsim memory block to make it less confusing and more comfortable.
132 DebugPlugin.getDefault().getMemoryBlockManager()
133 .addMemoryBlocks(new IMemoryBlock[] { new MainMemoryBlockExtension(debugTarget, "0", null) });