Examples with Member java.lang.reflect.Member used on opensource projects

Example 56 with Member

use of java.lang.reflect.Member in project immutables by immutables.

the class KeyExtractorTest method immutables.

@Test
void immutables() {
    KeyExtractor extractor = KeyExtractor.defaultFactory().create(Person.class);
    check(extractor.metadata().isKeyDefined());
    check(extractor.metadata().isExpression());
    check(extractor.metadata().keys()).hasSize(1);
    Member member = (Member) Visitors.toPath(extractor.metadata().keys().get(0)).element();
    check(member.getName()).is("id");
    ImmutablePerson person = new PersonGenerator().next();
    check(extractor.extract(person)).is(person.id());
}

Example 57 with Member

use of java.lang.reflect.Member in project immutables by immutables.

the class MemberLookupCache method find.

Optional<Member> find(Class<?> type, String path) {
    ClassAndPath classAndPath = ImmutableClassAndPath.of(type, path);
    Member member = this.member.computeIfAbsent(classAndPath, key -> {
        ClassScanner scanner = this.scanner.computeIfAbsent(key.type(), MemberLookupCache::createScannerForType);
        return scanner.stream().filter(m -> m.getName().equals(path)).findFirst().orElse(null);
    });
    return Optional.ofNullable(member);
}

Example 58 with Member

use of java.lang.reflect.Member in project crate by crate.

the class Errors method formatSource.

public static void formatSource(Formatter formatter, Object source) {
    if (source instanceof Dependency) {
        Dependency<?> dependency = (Dependency<?>) source;
        InjectionPoint injectionPoint = dependency.getInjectionPoint();
        if (injectionPoint != null) {
            formatInjectionPoint(formatter, dependency, injectionPoint);
        } else {
            formatSource(formatter, dependency.getKey());
        }
    } else if (source instanceof InjectionPoint) {
        formatInjectionPoint(formatter, null, (InjectionPoint) source);
    } else if (source instanceof Class) {
        formatter.format("  at %s%n", StackTraceElements.forType((Class<?>) source));
    } else if (source instanceof Member) {
        formatter.format("  at %s%n", StackTraceElements.forMember((Member) source));
    } else if (source instanceof TypeLiteral) {
        formatter.format("  while locating %s%n", source);
    } else if (source instanceof Key) {
        Key<?> key = (Key<?>) source;
        formatter.format("  while locating %s%n", convert(key));
    } else {
        formatter.format("  at %s%n", source);
    }
}

Example 59 with Member

use of java.lang.reflect.Member 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 60 with Member

use of java.lang.reflect.Member in project quasar by puniverse.

the class ExtendedStackTrace method getMethod.

protected /*Executable*/
Member getMethod(final ExtendedStackTraceElement este) {
    if (este.getDeclaringClass() == null)
        return null;
    Member[] ms = getMethods(este.getDeclaringClass());
    Member method = null;
    for (Member m : ms) {
        if (este.getMethodName().equals(m.getName())) {
            if (method == null)
                method = m;
            else {
                // more than one match
                method = null;
                break;
            }
        }
    }
    if (method == null && este.getLineNumber() >= 0) {
        try {
            final AtomicReference<String> descriptor = new AtomicReference<>();
            ASMUtil.accept(este.getDeclaringClass(), ClassReader.SKIP_FRAMES, new ClassVisitor(Opcodes.ASM5) {

                @Override
                public MethodVisitor visitMethod(int access, String name, final String desc, String signature, String[] exceptions) {
                    MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
                    if (descriptor.get() == null && este.getMethodName().equals(name)) {
                        mv = new MethodVisitor(api, mv) {

                            int minLine = Integer.MAX_VALUE, maxLine = Integer.MIN_VALUE;

                            @Override
                            public void visitLineNumber(int line, Label start) {
                                if (line < minLine)
                                    minLine = line;
                                if (line > maxLine)
                                    maxLine = line;
                            }

                            @Override
                            public void visitEnd() {
                                if (minLine <= este.getLineNumber() && maxLine >= este.getLineNumber())
                                    descriptor.set(desc);
                                super.visitEnd();
                            }
                        };
                    }
                    return mv;
                }
            });
            if (descriptor.get() != null) {
                final String desc = descriptor.get();
                for (Member m : ms) {
                    if (este.getMethodName().equals(getName(m)) && desc.equals(getDescriptor(m))) {
                        method = m;
                        break;
                    }
                }
            }
        } catch (Exception e) {
            if (!(e instanceof UnsupportedOperationException))
                e.printStackTrace();
        }
    }
    return method;
}