import java.io.File;
import java.io.IOException;
+import java.util.Arrays;
import java.util.Optional;
+import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
-import org.eclipse.ui.part.ViewPart;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.IPathEditorInput;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.part.EditorPart;
import net.mograsim.machine.Machine;
+import net.mograsim.machine.MemoryObserver;
import net.mograsim.machine.mi.MicroInstructionDefinition;
import net.mograsim.machine.mi.MicroInstructionMemory;
import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
import net.mograsim.machine.mi.MicroInstructionMemoryParser;
+import net.mograsim.machine.mi.parameters.MnemonicFamily;
import net.mograsim.machine.mi.parameters.ParameterClassification;
import net.mograsim.plugin.MachineContext;
import net.mograsim.plugin.MachineContext.ContextObserver;
import net.mograsim.plugin.util.DropDownMenu;
import net.mograsim.plugin.util.DropDownMenu.DropDownEntry;
-public class InstructionView extends ViewPart implements ContextObserver
+public class InstructionView extends EditorPart implements ContextObserver, MemoryObserver
{
private String saveLoc = null;
private LazyTableViewer viewer;
private DisplaySettings displaySettings;
private InstructionTableContentProvider provider;
private int highlighted = 0;
+ private boolean dirty = false;
@SuppressWarnings("unused")
@Override
this.memory = memory;
viewer.setInput(memory);
this.miDef = memory.getDefinition().getMicroInstructionDefinition();
+ this.memory.registerObserver(this);
createColumns();
}
int size = miDef.size();
columns = new TableViewerColumn[size + 1];
- TableViewerColumn col = createTableViewerColumn("Address", 200);
+ TableViewerColumn col = createTableViewerColumn("Address", generateLongestHexStrings(12));
columns[0] = col;
col.setLabelProvider(new AddressLabelProvider());
- int bit = 0;
+ int bit = miDef.sizeInBits();
ParameterClassification[] classes = miDef.getParameterClassifications();
for (int i = 0; i < size; i++)
{
- int startBit = bit;
- int endBit = (bit = bit + classes[i].getExpectedBits()) - 1;
+ int startBit = bit - 1;
+ int endBit = bit = bit - classes[i].getExpectedBits();
String name = startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
- int bounds = 20 + 20 * classes[i].getExpectedBits();
- col = createTableViewerColumn(name, bounds);
+ String[] longestPossibleContents;
+ switch (classes[i].getExpectedType())
+ {
+ case INTEGER_IMMEDIATE:
+ longestPossibleContents = generateLongestHexStrings(classes[i].getExpectedBits());
+ break;
+ case BOOLEAN_IMMEDIATE:
+ case MNEMONIC:
+ longestPossibleContents = ((MnemonicFamily) classes[i]).getStringValues();
+ break;
+ default:
+ longestPossibleContents = new String[0];
+ break;
+ }
+
+ col = createTableViewerColumn(name, longestPossibleContents);
columns[i + 1] = col;
createEditingAndLabel(col, miDef, i);
}
}
+ private static final String[] HEX_DIGITS = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
+
+ private static String[] generateLongestHexStrings(int bitWidth)
+ {
+ return Arrays.stream(HEX_DIGITS).map(s -> "0x" + s.repeat((bitWidth + 3) / 4)).toArray(String[]::new);
+ }
+
private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
{
ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
col.getColumn().setToolTipText(miDef.getParameterDescription(index).orElse(""));
}
- private TableViewerColumn createTableViewerColumn(String title, int bound)
+ private TableViewerColumn createTableViewerColumn(String title, String... longestPossibleContents)
{
TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
TableColumn column = viewerColumn.getColumn();
+ int maxWidth = 0;
+ for (String s : longestPossibleContents)
+ {
+ column.setText(s);
+ column.pack();
+ if (column.getWidth() > maxWidth)
+ maxWidth = column.getWidth();
+ }
column.setText(title);
- column.setWidth(bound);
+ column.pack();
+ if (column.getWidth() < maxWidth)
+ column.setWidth(maxWidth);
column.setResizable(true);
column.setMoveable(false);
return viewerColumn;
if (memory == null)
{
System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
+ return;
}
- if (saveLoc != null)
+ try
{
- try
- {
- MicroInstructionMemoryParser.write(memory, file);
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
+ MicroInstructionMemoryParser.write(memory, file);
+ }
+ catch (IOException e)
+ {
+ e.printStackTrace();
}
}
bindMicroInstructionMemory(actualMachine.getMicroInstructionMemory());
}
}
+
+ @Override
+ public void doSave(IProgressMonitor progressMonitor)
+ {
+ IEditorInput input = getEditorInput();
+ if (input instanceof IPathEditorInput)
+ {
+ IPathEditorInput pathInput = (IPathEditorInput) input;
+ save(pathInput.getPath().toOSString());
+ dirty = false;
+ firePropertyChange(PROP_DIRTY);
+ }
+ }
+
+ @Override
+ public void doSaveAs()
+ {
+ // not allowed
+ }
+
+ @Override
+ public void init(IEditorSite site, IEditorInput input) throws PartInitException
+ {
+ setSite(site);
+ setInput(input);
+ if (input instanceof IPathEditorInput)
+ {
+ IPathEditorInput pathInput = (IPathEditorInput) input;
+ open(pathInput.getPath().toOSString());
+ }
+ }
+
+ @Override
+ public boolean isDirty()
+ {
+ return dirty;
+ }
+
+ @Override
+ public boolean isSaveAsAllowed()
+ {
+ return false;
+ }
+
+ @Override
+ public void update(long address)
+ {
+ dirty = true;
+ firePropertyChange(PROP_DIRTY);
+ }
}