@Override
public IFigure getTooltip(Object element) {
if (element instanceof BasicBlock) {
BasicBlock bb = (BasicBlock) element;
IR ir = irView.getIR();
IDocument doc = irView.getDocument();
IMethod method = ir.getMethod();
StringBuffer result = new StringBuffer();
int start = bb.getFirstInstructionIndex();
int end = bb.getLastInstructionIndex();
SSAInstruction[] instructions = ir.getInstructions();
for (int j = start; j <= end; j++) {
if (instructions[j] != null) {
int sourceLineNum = method.getLineNumber(j);
int lineNumber = sourceLineNum - 1; // IDocument indexing is 0-based
try {
int lineOffset = doc.getLineOffset(lineNumber);
int lineLength = doc.getLineLength(lineNumber);
String sourceCode = doc.get(lineOffset, lineLength).trim();
result.append(sourceCode);
} catch (BadLocationException e) {
}
result.append("\n");
}
}
return new Label(result.toString());
}
return null;
}
@SuppressWarnings("unchecked")
public void setIR(IR ir) {
this.lineToPosition = HashMapFactory.make();
this.pcToLine = HashMapFactory.make();
this.lineToPc = HashMapFactory.make();
int firstLineWithPosition = NA;
try {
methodName.setText("IR: " + ir.getMethod());
irLineList.clear();
BufferedReader br = new BufferedReader(new StringReader(ir.toString()));
int lineNum = 0;
int position = NA;
String line;
while ((line = br.readLine()) != null) {
irLineList.addElement(line);
int pc = parseIrLine(line);
if (pc != NA) {
IMethod m = ir.getMethod();
int newPosition = m.getLineNumber(pc);
if (newPosition != -1) {
position = newPosition;
}
lineToPc.put(lineNum, pc);
pcToLine.put(pc, lineNum);
if (position != NA) {
lineToPosition.put(lineNum, position);
if (firstLineWithPosition == NA) {
firstLineWithPosition = lineNum;
}
}
}
lineNum++;
}
} catch (IOException e) {
// ???
assert false;
}
// focusing on the first line with position
if (firstLineWithPosition != NA) {
irLines.setSelectedIndex(firstLineWithPosition);
irLines.ensureIndexIsVisible(firstLineWithPosition);
}
}
/** Taken from com.ibm.wala.viz.PDFViewUtil */
@Override
public String getText(Object element) {
if (element instanceof BasicBlock) {
BasicBlock bb = (BasicBlock) element;
IR ir = irView.getIR();
StringBuilder result = new StringBuilder();
int start = bb.getFirstInstructionIndex();
int end = bb.getLastInstructionIndex();
result.append("BB").append(bb.getNumber());
if (bb.isEntryBlock()) {
result.append(" (en)\n");
} else if (bb.isExitBlock()) {
result.append(" (ex)\n");
}
if (bb instanceof ExceptionHandlerBasicBlock) {
result.append("<Handler>");
}
result.append("\n");
for (Iterator<SSAPhiInstruction> it = bb.iteratePhis(); it.hasNext(); ) {
SSAPhiInstruction phi = it.next();
if (phi != null) {
result.append(phi.toString(ir.getSymbolTable())).append("\n");
}
}
if (bb instanceof ExceptionHandlerBasicBlock) {
ExceptionHandlerBasicBlock ebb = (ExceptionHandlerBasicBlock) bb;
SSAGetCaughtExceptionInstruction s = ebb.getCatchInstruction();
if (s != null) {
result.append(s.toString(ir.getSymbolTable())).append("\n");
} else {
result.append(" No catch instruction. Unreachable?\n");
}
}
SSAInstruction[] instructions = ir.getInstructions();
IMethod method = ir.getMethod();
for (int j = start; j <= end; j++) {
if (instructions[j] != null) {
String x;
int sourceLineNum = method.getLineNumber(j);
x =
String.format(
j + " [L%03d] " + instructions[j].toString(ir.getSymbolTable()), sourceLineNum);
String padded = String.format("%1$-35s", x);
result.append(padded);
result.append("\n");
result.append(SSAValuesToLocalVariables(instructions[j], j, ir));
result.append("\n");
}
}
for (Iterator<SSAPiInstruction> it = bb.iteratePis(); it.hasNext(); ) {
SSAPiInstruction pi = it.next();
if (pi != null) {
result.append(" " + pi.toString(ir.getSymbolTable())).append("\n");
}
}
return result.toString();
}
if (element instanceof EntityConnectionData) {
return "\n";
}
return "";
}
