public static void printViewPatterns() {
processedViewsForPatterns = new HashSet<ViewTrace>();
HashMap<String, Integer> viewPatterns = new HashMap<String, Integer>();
ps.println("ViewPatterns ------------------- \n");
for (ViewTrace trace : viewsRegistry) {
if (processedViewsForPatterns.contains(trace)) {
continue;
}
ViewTrace v = trace.getRootView();
StringBuilder p = new StringBuilder();
p.append("PATTERN ");
extractViewPattern(0, v, p);
p.append("\n");
String pattern = p.toString();
Integer count = viewPatterns.get(pattern);
if (count == null) {
viewPatterns.put(pattern, 1);
} else {
viewPatterns.put(pattern, count + 1);
}
}
processedViewsForPatterns = null;
for (Map.Entry<String, Integer> e : viewPatterns.entrySet()) {
ps.print("(" + e.getValue() + ") ");
ps.println(e.getKey());
}
}
public static void printSite(Site s, StringBuilder out) {
if (s == null) {
out.append("(null)");
return;
}
StackTraceElement[] st = s.site();
int interestingSitesPrinted = 0;
for (int i = s.offset; i < st.length; i++) {
StackTraceElement e = st[i];
String fileName = e.getFileName();
if (THIS_FILE_NAME.equals(fileName)) {
continue;
}
out.append(" " + e.getMethodName() + "(" + e.getFileName() + ":" + e.getLineNumber() + ")");
interestingSitesPrinted++;
if (interestingSitesPrinted <= SITES_TO_PRINT) {
continue;
}
if (fileName == null || "View.java".equals(fileName)) {
continue;
}
String methodName = e.getMethodName();
if (skipMethods.contains(methodName)) {
continue;
}
break;
}
}
private static void extractViewPattern(int depth, ViewTrace trace, StringBuilder p) {
if (!processedViewsForPatterns.add(trace)) {
p.append("(ALIASED) ");
}
p.append(trace.realView.getClass() + " size = " + trace.realView.size() + "\n");
indent(depth, p);
p.append(" use:");
if (trace.materializeCount == 0 && trace.sumCount == 0 && trace.getCount == 0) {
p.append(" UNUSED");
} else {
if (trace.getCount > 0) {
p.append(" get");
}
if (trace.materializeCount > 0) {
p.append(" materialize");
}
if (trace.sumCount > 0) {
p.append(" sum");
}
}
p.append("\n");
if (false) {
p.append(" allocationSite =");
Site.printSite(trace.allocationSite, p);
p.append("\n");
indent(depth, p);
}
RArray view = trace.realView;
Class viewClass = view.getClass();
Field[] fields = getAllFields(viewClass);
boolean printedField = false;
for (Field f : fields) {
if (f.isSynthetic()) {
continue;
}
Class fieldClass = f.getType();
if (RArray.class.isAssignableFrom(fieldClass)) {
continue; // these later
}
indent(depth, p);
p.append(" " + f.getName() + " ");
try {
f.setAccessible(true);
Object o = f.get(view);
p.append(o == null ? "null (" + fieldClass + ")" : o.getClass());
p.append("\n");
printedField = true;
} catch (IllegalAccessException e) {
assert Utils.check(false, "can't read a view field " + e);
}
}
boolean printNewline = printedField;
for (Field f : fields) {
if (f.isSynthetic()) {
continue;
}
Class fieldClass = f.getType();
if (!RArray.class.isAssignableFrom(fieldClass)) {
continue;
}
if (printNewline) {
p.append("\n");
printNewline = false;
}
indent(depth, p);
p.append(" " + f.getName() + " ");
try {
f.setAccessible(true);
Object o = f.get(view);
if (o instanceof TracingView) {
p.append("VIEW ");
TracingView child = (TracingView) o;
extractViewPattern(depth + 2, child.getTrace(), p);
} else {
p.append("ARRAY " + o.getClass() + " size = " + ((RArray) o).size());
if (o instanceof View) {
ps.println("MISSED VIEW " + o);
}
}
p.append("\n");
} catch (IllegalAccessException e) {
assert Utils.check(false, "can't read a view field " + e);
}
}
}
private static void indent(int depth, StringBuilder p) {
for (int i = 0; i < depth; i++) {
p.append(" ");
}
}
public static void printSite(Site s) {
StringBuilder b = new StringBuilder();
printSite(s, b);
ps.println(b.toString());
}
