1 package net.mograsim.plugin.tables.mi;
4 import java.io.IOException;
5 import java.util.Arrays;
6 import java.util.Optional;
8 import org.eclipse.jface.viewers.ColumnLabelProvider;
9 import org.eclipse.jface.viewers.EditingSupport;
10 import org.eclipse.jface.viewers.TableViewerColumn;
11 import org.eclipse.swt.SWT;
12 import org.eclipse.swt.layout.GridData;
13 import org.eclipse.swt.layout.GridLayout;
14 import org.eclipse.swt.widgets.Composite;
15 import org.eclipse.swt.widgets.FileDialog;
16 import org.eclipse.swt.widgets.Table;
17 import org.eclipse.swt.widgets.TableColumn;
18 import org.eclipse.ui.part.ViewPart;
20 import net.mograsim.machine.Machine;
21 import net.mograsim.machine.mi.MicroInstructionDefinition;
22 import net.mograsim.machine.mi.MicroInstructionMemory;
23 import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
24 import net.mograsim.machine.mi.MicroInstructionMemoryParser;
25 import net.mograsim.machine.mi.parameters.MnemonicFamily;
26 import net.mograsim.machine.mi.parameters.ParameterClassification;
27 import net.mograsim.plugin.MachineContext;
28 import net.mograsim.plugin.MachineContext.ContextObserver;
29 import net.mograsim.plugin.tables.AddressLabelProvider;
30 import net.mograsim.plugin.tables.DisplaySettings;
31 import net.mograsim.plugin.tables.LazyTableViewer;
32 import net.mograsim.plugin.tables.RadixSelector;
33 import net.mograsim.plugin.util.DropDownMenu;
34 import net.mograsim.plugin.util.DropDownMenu.DropDownEntry;
36 public class InstructionView extends ViewPart implements ContextObserver
38 private String saveLoc = null;
39 private LazyTableViewer viewer;
40 private TableViewerColumn[] columns = new TableViewerColumn[0];
41 private MicroInstructionDefinition miDef;
42 private MicroInstructionMemory memory;
43 private DisplaySettings displaySettings;
44 private InstructionTableContentProvider provider;
45 private int highlighted = 0;
47 @SuppressWarnings("unused")
49 public void createPartControl(Composite parent)
51 provider = new InstructionTableContentProvider();
52 GridLayout layout = new GridLayout(3, false);
53 setupMenuButtons(parent);
55 displaySettings = new DisplaySettings();
56 new RadixSelector(parent, displaySettings);
58 parent.setLayout(layout);
59 viewer = new LazyTableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
61 Table table = viewer.getTable();
62 table.setHeaderVisible(true);
63 table.setLinesVisible(true);
64 viewer.setUseHashlookup(true);
65 viewer.setContentProvider(provider);
66 getSite().setSelectionProvider(viewer);
68 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
69 viewerData.horizontalSpan = 3;
70 viewer.getTable().setLayoutData(viewerData);
72 displaySettings.addObserver(() -> viewer.refresh());
73 MachineContext.getInstance().registerObserver(this);
74 setMachine(Optional.ofNullable(MachineContext.getInstance().getMachine()));
77 public void highlight(int index)
79 viewer.highlightRow(highlighted, false);
80 viewer.highlightRow(index, true);
81 viewer.getTable().setTopIndex(index);
84 @SuppressWarnings("unused")
85 private void setupMenuButtons(Composite parent)
87 DropDownEntry open = new DropDownEntry("Open", (e) ->
89 FileDialog d = new FileDialog(parent.getShell(), SWT.NONE);
91 String filename = d.getFileName();
92 if (!filename.equals(""))
93 open(d.getFilterPath() + File.separator + filename);
96 DropDownEntry save = new DropDownEntry("Save", (e) ->
99 openSaveAsDialog(parent);
102 DropDownEntry saveAs = new DropDownEntry("SaveAs", (e) ->
104 openSaveAsDialog(parent);
107 new DropDownMenu(parent, "File", open, save, saveAs);
110 private void openSaveAsDialog(Composite parent)
112 FileDialog d = new FileDialog(parent.getShell(), SWT.SAVE);
114 String filename = d.getFileName();
115 if (!filename.equals(""))
116 saveLoc = d.getFilterPath() + File.separator + filename;
119 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
122 this.memory = memory;
123 viewer.setInput(memory);
124 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
128 private void deleteColumns()
130 for (TableViewerColumn col : columns)
131 col.getColumn().dispose();
134 private void createColumns()
136 int size = miDef.size();
137 columns = new TableViewerColumn[size + 1];
139 TableViewerColumn col = createTableViewerColumn("Address", generateLongestHexStrings(12));
141 col.setLabelProvider(new AddressLabelProvider());
143 int bit = miDef.sizeInBits();
144 ParameterClassification[] classes = miDef.getParameterClassifications();
146 for (int i = 0; i < size; i++)
148 int startBit = bit - 1;
149 int endBit = bit = bit - classes[i].getExpectedBits();
150 String name = startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
152 String[] longestPossibleContents;
153 switch (classes[i].getExpectedType())
155 case INTEGER_IMMEDIATE:
156 longestPossibleContents = generateLongestHexStrings(classes[i].getExpectedBits());
158 case BOOLEAN_IMMEDIATE:
160 longestPossibleContents = ((MnemonicFamily) classes[i]).getStringValues();
163 longestPossibleContents = new String[0];
167 col = createTableViewerColumn(name, longestPossibleContents);
168 columns[i + 1] = col;
169 createEditingAndLabel(col, miDef, i);
173 private static final String[] HEX_DIGITS = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
175 private static String[] generateLongestHexStrings(int bitWidth)
177 return Arrays.stream(HEX_DIGITS).map(s -> "0x" + s.repeat((bitWidth + 3) / 4)).toArray(String[]::new);
180 private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
182 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
183 EditingSupport support;
184 ColumnLabelProvider provider;
185 switch (parameterClassification.getExpectedType())
187 case BOOLEAN_IMMEDIATE:
188 support = new BooleanEditingSupport(viewer, miDef, index);
189 provider = new ParameterLabelProvider(index);
191 case INTEGER_IMMEDIATE:
192 support = new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider);
193 provider = new IntegerColumnLabelProvider(displaySettings, index);
196 support = new MnemonicEditingSupport(viewer, miDef, index, this.provider);
197 provider = new ParameterLabelProvider(index);
200 throw new IllegalStateException(
201 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
203 col.setEditingSupport(support);
204 col.setLabelProvider(provider);
205 col.getColumn().setToolTipText(miDef.getParameterDescription(index).orElse(""));
208 private TableViewerColumn createTableViewerColumn(String title, String... longestPossibleContents)
210 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
211 TableColumn column = viewerColumn.getColumn();
213 for (String s : longestPossibleContents)
217 if (column.getWidth() > maxWidth)
218 maxWidth = column.getWidth();
220 column.setText(title);
222 if (column.getWidth() < maxWidth)
223 column.setWidth(maxWidth);
224 column.setResizable(true);
225 column.setMoveable(false);
229 private void open(String file)
233 System.err.println("Failed to parse MicroprogrammingMemory from File. No MicroInstructionDefinition assigned.");
238 MicroInstructionMemoryParser.parseMemory(memory, file);
242 catch (IOException | MicroInstructionMemoryParseException e)
248 private void save(String file)
252 System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
258 MicroInstructionMemoryParser.write(memory, file);
260 catch (IOException e)
268 public void setFocus()
270 viewer.getControl().setFocus();
274 public void setMachine(Optional<Machine> machine)
276 if (machine.isPresent())
278 Machine actualMachine = machine.get();
279 bindMicroInstructionMemory(actualMachine.getMicroInstructionMemory());