Examples with ExtendedStackTraceElement co.paralleluniverse.common.util.ExtendedStackTraceElement used on opensource projects

Example 1 with ExtendedStackTraceElement

use of co.paralleluniverse.common.util.ExtendedStackTraceElement in project quasar by puniverse.

the class Fiber method initTrace.

private static StringBuilder initTrace(int i, ExtendedStackTraceElement[] stes) {
    final StringBuilder stackTrace = new StringBuilder();
    for (int j = 0; j <= i; j++) {
        final ExtendedStackTraceElement ste2 = stes[j];
        if (ste2.getClassName().equals(Thread.class.getName()) && ste2.getMethodName().equals("getStackTrace"))
            continue;
        printTraceLine(stackTrace, ste2);
    }
    return stackTrace;
}

Example 2 with ExtendedStackTraceElement

use of co.paralleluniverse.common.util.ExtendedStackTraceElement in project quasar by puniverse.

the class Fiber method checkInstrumentation.

@SuppressWarnings("null")
private static boolean checkInstrumentation(ExtendedStackTrace st, boolean fromUncaughtExc) {
    if (fromUncaughtExc && st.get().length > 0 && st.get()[0] != null) {
        final ExtendedStackTraceElement first = st.get()[0];
        if (!first.getDeclaringClass().equals(ClassCastException.class) && !(first.getDeclaringClass().equals(NullPointerException.class) && first.getDeclaringClass().getName().startsWith("co.paralleluniverse.fibers")))
            return true;
    }
    boolean ok = true;
    StringBuilder stackTrace = null;
    final ExtendedStackTraceElement[] stes = st.get();
    for (int i = 0; i < stes.length; i++) {
        final ExtendedStackTraceElement ste = stes[i];
        if (ste.getClassName().equals(Thread.class.getName()) && ste.getMethodName().equals("getStackTrace"))
            continue;
        if (ste.getClassName().equals(ExtendedStackTrace.class.getName()))
            continue;
        if (!ok)
            printTraceLine(stackTrace, ste);
        if (ste.getClassName().contains("$$Lambda$"))
            continue;
        if (!ste.getClassName().equals(Fiber.class.getName()) && !ste.getClassName().startsWith(Fiber.class.getName() + '$') && !ste.getClassName().equals(Stack.class.getName()) && !SuspendableHelper.isWaiver(ste.getClassName(), ste.getMethodName())) {
            final Class<?> clazz = ste.getDeclaringClass();
            final boolean classInstrumented = SuspendableHelper.isInstrumented(clazz);
            final Member /*Executable*/
            m = SuspendableHelper.lookupMethod(ste);
            if (m != null) {
                final boolean methodInstrumented = SuspendableHelper.isInstrumented(m);
                final Pair<Boolean, Instrumented> callSiteInstrumented = SuspendableHelper.isCallSiteInstrumented(m, ste.getLineNumber(), ste.getBytecodeIndex(), stes, i);
                if (!classInstrumented || !methodInstrumented || !callSiteInstrumented.getFirst()) {
                    if (ok)
                        stackTrace = initTrace(i, stes);
                    if (!classInstrumented || !methodInstrumented)
                        stackTrace.append(" **");
                    else if (!callSiteInstrumented.getFirst())
                        stackTrace.append(" !! (instrumented suspendable calls at: ").append(callSitesString(callSiteInstrumented.getSecond())).append(")");
                    ok = false;
                }
            } else {
                if (ok)
                    stackTrace = initTrace(i, stes);
                // Methods can only be found via source lines in @Instrumented annotations
                stackTrace.append(" **");
                ok = false;
            }
        } else if (ste.getClassName().equals(Fiber.class.getName()) && ste.getMethodName().equals("run1")) {
            if (!ok) {
                final String str = "Uninstrumented whole methods ('**') or single calls ('!!') detected: " + stackTrace;
                if (Debug.isUnitTest())
                    throw new VerifyInstrumentationException(str);
                System.err.println("WARNING: " + str);
            }
            return ok;
        }
    }
    throw new IllegalStateException("Not run through Fiber.exec(). (trace: " + Arrays.toString(stes) + ")");
}

Example 3 with ExtendedStackTraceElement

use of co.paralleluniverse.common.util.ExtendedStackTraceElement in project quasar by puniverse.

the class SuspendableHelper method isCallSiteInstrumented.

public static Pair<Boolean, Instrumented> isCallSiteInstrumented(/*Executable*/
Member m, int sourceLine, int bci, ExtendedStackTraceElement[] stes, int currentSteIdx) {
    if (m == null)
        return new Pair<>(false, null);
    if (isSyntheticAndNotLambda(m))
        return new Pair<>(true, null);
    final ExtendedStackTraceElement calleeSte = currentSteIdx - 1 >= 0 ? stes[currentSteIdx - 1] : null;
    if (calleeSte != null && // `verifySuspend` and `popMethod` calls are not suspendable call sites, not verifying them.
    ((calleeSte.getClassName().equals(Fiber.class.getName()) && calleeSte.getMethodName().equals("verifySuspend")) || (calleeSte.getClassName().equals(Stack.class.getName()) && calleeSte.getMethodName().equals("popMethod")))) {
        return new Pair<>(true, null);
    } else {
        final Instrumented i = getAnnotation(m, Instrumented.class);
        if (i == null)
            return new Pair<>(false, i);
        if (calleeSte != null && i.suspendableCallSiteNames() != null) {
            // check by callsite name (fails for bootstrapped lambdas)
            final Member callee = calleeSte.getMethod();
            if (callee == null) {
                final String methodName = "." + calleeSte.getMethodName() + "(";
                for (String callsite : i.suspendableCallSiteNames()) {
                    if (callsite.contains(methodName)) {
                        return new Pair(true, i);
                    }
                }
            } else {
                final String nameAndDescSuffix = "." + callee.getName() + ASMUtil.getDescriptor(callee);
                final String[] callsites = i.suspendableCallSiteNames();
                for (String callsite : callsites) {
                    if (callsite.endsWith(nameAndDescSuffix)) {
                        Class<?> callsiteOwner = null;
                        try {
                            callsiteOwner = Class.forName(getCallsiteOwner(callsite));
                        } catch (ClassNotFoundException e) {
                        }
                        if (callsiteOwner != null) {
                            final Class<?> owner = callee.getDeclaringClass();
                            if (declareInCommonAncestor(nameAndDescSuffix, owner, callsiteOwner)) {
                                return new Pair(true, i);
                            }
                        }
                    }
                }
            }
        }
        if (bci >= 0) {
            // check by bci; may be brittle
            final int[] scs = i.suspendableCallSitesOffsetsAfterInstr();
            for (int j : scs) {
                if (j == bci)
                    return new Pair<>(true, i);
            }
        } else if (sourceLine >= 0) {
            // check by source line
            final int[] scs = i.suspendableCallSites();
            for (int j : scs) {
                if (j == sourceLine)
                    return new Pair<>(true, i);
            }
        }
        return new Pair<>(false, i);
    }
}