Examples with Type soot.Type used on opensource projects

Example 1 with Type

use of soot.Type in project robovm by robovm.

the class LambdaClassGenerator method pushArguments.

private void pushArguments(SootClass caller, String lambdaClassName, MethodVisitor mv, GeneratorAdapter caster, List<Type> parameters, List<Type> invokedParameters, SootMethodHandle implMethod, SootMethodType instantiatedMethodType, boolean isInstanceMethod) {
    // create the object itself
    if (implMethod.getReferenceKind() == SootMethodHandle.REF_newInvokeSpecial) {
        mv.visitTypeInsn(NEW, implMethod.getMethodRef().declaringClass().getName().replace('.', '/'));
        mv.visitInsn(DUP);
    }
    // push the captured arguments
    for (int i = 0; i < invokedParameters.size(); i++) {
        Object obj = invokedParameters.get(i);
        Type captureType = (Type) obj;
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, lambdaClassName, "arg$" + (i + 1), Types.getDescriptor(captureType));
    }
    // push the functional interface parameters
    // first check if the parameters include the received, e.g.
    // "hello"::contains
    // would be called on "hello" and not on the class containing the
    // invoke dynamic call. We need to handle that parameter separately as
    // it's not part of the method signature of the implementation
    boolean paramsContainReceiver = isInstanceMethod & !caller.getName().equals(implMethod.getMethodRef().declaringClass().getName()) && parameters.size() > implMethod.getMethodRef().parameterTypes().size();
    int paramsIndex = 0;
    // we start at slot index 1, because this occupies
    int localIndex = 1;
    // slot 0
    if (paramsContainReceiver && !parameters.isEmpty()) {
        Type param = parameters.get(0);
        mv.visitVarInsn(loadOpcodeForType(param), localIndex);
        castOrWiden(mv, caster, param, implMethod.getMethodRef().declaringClass().getType());
        localIndex += slotsForType(param);
        paramsIndex++;
    }
    int samParamsOffset = implMethod.getMethodRef().parameterTypes().size() - parameters.size() + (paramsContainReceiver ? 1 : 0);
    for (int i = 0; paramsIndex < parameters.size(); paramsIndex++, i++) {
        Type param = parameters.get(paramsIndex);
        mv.visitVarInsn(loadOpcodeForType(param), localIndex);
        castOrWiden(mv, caster, param, (Type) implMethod.getMethodRef().parameterTypes().get(samParamsOffset + i));
        localIndex += slotsForType(param);
    }
}

Example 2 with Type

use of soot.Type in project robovm by robovm.

the class LambdaPlugin method transformMethod.

private void transformMethod(Config config, Clazz clazz, SootClass sootClass, SootMethod method, ModuleBuilder moduleBuilder) throws IOException {
    if (!method.isConcrete()) {
        return;
    }
    int tmpCounter = 0;
    Body body = method.retrieveActiveBody();
    PatchingChain<Unit> units = body.getUnits();
    for (Unit unit = units.getFirst(); unit != null; unit = body.getUnits().getSuccOf(unit)) {
        if (unit instanceof DefinitionStmt) {
            if (((DefinitionStmt) unit).getRightOp() instanceof DynamicInvokeExpr) {
                DynamicInvokeExpr expr = (DynamicInvokeExpr) ((DefinitionStmt) unit).getRightOp();
                if (isLambdaBootstrapMethod(expr.getBootstrapMethodRef())) {
                    LambdaClassGenerator generator = null;
                    synchronized (generators) {
                        generator = generators.get(sootClass);
                        if (generator == null) {
                            generator = new LambdaClassGenerator();
                            generators.put(sootClass, generator);
                        }
                    }
                    List<Value> bsmArgs = expr.getBootstrapArgs();
                    SootClass caller = sootClass;
                    String invokedName = expr.getMethodRef().name();
                    SootMethodRef invokedType = expr.getMethodRef();
                    SootMethodType samMethodType = (SootMethodType) bsmArgs.get(0);
                    SootMethodHandle implMethod = (SootMethodHandle) bsmArgs.get(1);
                    SootMethodType instantiatedMethodType = (SootMethodType) bsmArgs.get(2);
                    try {
                        LambdaClass callSite = null;
                        List<Type> markerInterfaces = new ArrayList<>();
                        List<SootMethodType> bridgeMethods = new ArrayList<>();
                        if (expr.getBootstrapMethodRef().name().equals("altMetafactory")) {
                            int flags = ((IntConstant) bsmArgs.get(3)).value;
                            int bsmArgsIdx = 4;
                            if ((flags & FLAG_MARKERS) > 0) {
                                int count = ((IntConstant) bsmArgs.get(bsmArgsIdx++)).value;
                                for (int i = 0; i < count; i++) {
                                    Object value = bsmArgs.get(bsmArgsIdx++);
                                    if (value instanceof Type) {
                                        markerInterfaces.add((Type) value);
                                    } else if (value instanceof ClassConstant) {
                                        String className = ((ClassConstant) value).getValue().replace('/', '.');
                                        markerInterfaces.add(SootResolver.v().resolveClass(className, SootClass.HIERARCHY).getType());
                                    }
                                }
                            }
                            if ((flags & FLAG_BRIDGES) > 0) {
                                int count = ((IntConstant) bsmArgs.get(bsmArgsIdx++)).value;
                                for (int i = 0; i < count; i++) {
                                    bridgeMethods.add((SootMethodType) bsmArgs.get(bsmArgsIdx++));
                                }
                            }
                        }
                        // see issue #1087
                        if (bridgeMethods.size() == 0) {
                            SootClass targetType = SootResolver.v().resolveClass(invokedType.returnType().toString().replace('/', '.'), SootClass.SIGNATURES);
                            String samDescriptor = Types.getDescriptor(samMethodType.getParameterTypes(), samMethodType.getReturnType());
                            for (SootMethod targetTypeMethod : targetType.getMethods()) {
                                boolean isBridgeMethod = targetTypeMethod.getName().equals(invokedName);
                                isBridgeMethod &= targetTypeMethod.getName().equals(invokedName);
                                isBridgeMethod &= targetTypeMethod.getParameterCount() == samMethodType.getParameterTypes().size();
                                isBridgeMethod &= ((targetTypeMethod.getModifiers() & BRIDGE) != 0);
                                isBridgeMethod &= ((targetTypeMethod.getModifiers() & SYNTHETIC) != 0);
                                if (isBridgeMethod) {
                                    String targetTypeMethodDesc = Types.getDescriptor(targetTypeMethod);
                                    if (!targetTypeMethodDesc.equals(samDescriptor)) {
                                        bridgeMethods.add(new BridgeMethodType(targetTypeMethod.getReturnType(), targetTypeMethod.getParameterTypes()));
                                    }
                                }
                            }
                        }
                        // generate the lambda class
                        callSite = generator.generate(caller, invokedName, invokedType, samMethodType, implMethod, instantiatedMethodType, markerInterfaces, bridgeMethods);
                        File f = clazz.getPath().getGeneratedClassFile(callSite.getLambdaClassName());
                        FileUtils.writeByteArrayToFile(f, callSite.getClassData());
                        // The lambda class is created after the caller is
                        // compiled.
                        // This prevents the triggering of a recompile of
                        // the caller.
                        f.setLastModified(clazz.lastModified());
                        SootClass lambdaClass = SootResolver.v().makeClassRef(callSite.getLambdaClassName().replace('/', '.'));
                        Local l = (Local) ((DefinitionStmt) unit).getLeftOp();
                        Type samType = callSite.getTargetMethodReturnType();
                        LinkedList<Unit> newUnits = new LinkedList<>();
                        if (callSite.getTargetMethodName().equals("<init>")) {
                            // Constant lambda. Create an instance once and
                            // reuse for
                            // every call.
                            String fieldName = lambdaClass.getName().substring(lambdaClass.getName().lastIndexOf('.') + 1);
                            SootField field = new SootField(fieldName, lambdaClass.getType(), Modifier.STATIC | Modifier.PRIVATE | Modifier.TRANSIENT | 0x1000);
                            method.getDeclaringClass().addField(field);
                            // l = LambdaClass.lambdaField
                            newUnits.add(Jimple.v().newAssignStmt(l, Jimple.v().newStaticFieldRef(field.makeRef())));
                            // if l != null goto succOfInvokedynamic
                            newUnits.add(Jimple.v().newIfStmt(Jimple.v().newNeExpr(l, NullConstant.v()), units.getSuccOf(unit)));
                            // $tmpX = new LambdaClass()
                            Local tmp = Jimple.v().newLocal("$tmp" + (tmpCounter++), lambdaClass.getType());
                            body.getLocals().add(tmp);
                            newUnits.add(Jimple.v().newAssignStmt(tmp, Jimple.v().newNewExpr(lambdaClass.getType())));
                            newUnits.add(Jimple.v().newInvokeStmt(Jimple.v().newSpecialInvokeExpr(tmp, Scene.v().makeConstructorRef(lambdaClass, Collections.<Type>emptyList()))));
                            // LambdaClass.lambdaField = $tmpX
                            newUnits.add(Jimple.v().newAssignStmt(Jimple.v().newStaticFieldRef(field.makeRef()), tmp));
                            // l = $tmpX
                            newUnits.add(Jimple.v().newAssignStmt(l, tmp));
                        } else {
                            // Static factory method returns the lambda to
                            // use.
                            newUnits.add(Jimple.v().newAssignStmt(l, Jimple.v().newStaticInvokeExpr(Scene.v().makeMethodRef(lambdaClass, callSite.getTargetMethodName(), callSite.getTargetMethodParameters(), samType, true), expr.getArgs())));
                        }
                        units.insertAfter(newUnits, unit);
                        units.remove(unit);
                        unit = newUnits.getLast();
                    } catch (Throwable e) {
                        // LambdaConversionException at runtime.
                        throw new CompilerException(e);
                    }
                }
            }
        }
    }
}

Example 3 with Type

use of soot.Type in project robovm by robovm.

the class ObjCMemberPlugin method createCallback.

private void createCallback(SootClass sootClass, SootMethod method, SootMethod annotatedMethod, String selectorName, Type receiverType) {
    Jimple j = Jimple.v();
    SootMethod callbackMethod = getCallbackMethod(selectorName, method, annotatedMethod, receiverType);
    sootClass.addMethod(callbackMethod);
    addCallbackAnnotation(callbackMethod);
    addBindSelectorAnnotation(callbackMethod, selectorName);
    if (!hasAnnotation(annotatedMethod, TYPE_ENCODING) && (isCustomClass(sootClass) || ObjCProtocolProxyPlugin.isObjCProxy(sootClass))) {
        String encoding = generateTypeEncoding(callbackMethod);
        try {
            addTypeEncodingAnnotation(callbackMethod, encoding);
        } catch (IllegalArgumentException e) {
            throw new CompilerException("Failed to determine method type encoding for method " + method + ": " + e.getMessage());
        }
    }
    Body body = j.newBody(callbackMethod);
    callbackMethod.setActiveBody(body);
    PatchingChain<Unit> units = body.getUnits();
    Local thiz = null;
    if (!method.isStatic()) {
        thiz = j.newLocal("$this", receiverType);
        body.getLocals().add(thiz);
        units.add(j.newIdentityStmt(thiz, j.newParameterRef(receiverType, 0)));
    }
    LinkedList<Value> args = new LinkedList<>();
    for (int i = 0; i < method.getParameterCount(); i++) {
        Type t = method.getParameterType(i);
        Local p = j.newLocal("$p" + i, t);
        body.getLocals().add(p);
        units.add(j.newIdentityStmt(p, j.newParameterRef(t, i + 2)));
        args.add(p);
    }
    Local ret = null;
    if (method.getReturnType() != VoidType.v()) {
        ret = j.newLocal("$ret", method.getReturnType());
        body.getLocals().add(ret);
    }
    SootMethodRef targetMethod = method.makeRef();
    if (((RefType) receiverType).getSootClass().isInterface()) {
        @SuppressWarnings("unchecked") List<Type> parameterTypes = method.getParameterTypes();
        targetMethod = Scene.v().makeMethodRef(((RefType) receiverType).getSootClass(), method.getName(), parameterTypes, method.getReturnType(), false);
    }
    InvokeExpr expr = method.isStatic() ? j.newStaticInvokeExpr(targetMethod, args) : (((RefType) receiverType).getSootClass().isInterface() ? j.newInterfaceInvokeExpr(thiz, targetMethod, args) : j.newVirtualInvokeExpr(thiz, targetMethod, args));
    units.add(ret == null ? j.newInvokeStmt(expr) : j.newAssignStmt(ret, expr));
    if (ret != null) {
        units.add(j.newReturnStmt(ret));
    } else {
        units.add(j.newReturnVoidStmt());
    }
}

Example 4 with Type

use of soot.Type in project robovm by robovm.

the class ObjCMemberPlugin method getMsgSendMethod.

@SuppressWarnings("unchecked")
private SootMethod getMsgSendMethod(String selectorName, SootMethod method, SootMethod annotatedMethod, boolean isCallback, Type receiverType, boolean extensions) {
    List<Type> paramTypes = new ArrayList<>();
    if (extensions) {
        paramTypes.add(method.getParameterType(0));
    } else if (method.isStatic()) {
        paramTypes.add(org_robovm_objc_ObjCClass.getType());
    } else {
        paramTypes.add(receiverType == null ? method.getDeclaringClass().getType() : receiverType);
    }
    paramTypes.add(org_robovm_objc_Selector.getType());
    if (extensions) {
        paramTypes.addAll(method.getParameterTypes().subList(1, method.getParameterTypes().size()));
    } else {
        paramTypes.addAll(method.getParameterTypes());
    }
    SootMethod m = new SootMethod((isCallback ? "$cb$" : "$m$") + selectorName.replace(':', '$'), paramTypes, method.getReturnType(), STATIC | PRIVATE | (isCallback ? 0 : NATIVE));
    copyAnnotations(annotatedMethod, m, extensions);
    createGenericSignatureForMsgSend(annotatedMethod, m, paramTypes, extensions);
    return m;
}

Example 5 with Type

use of soot.Type in project robovm by robovm.

the class ObjCMemberPlugin method transformMethod.

private void transformMethod(Config config, Clazz clazz, SootClass sootClass, SootMethod method, Set<String> selectors, Set<String> overridables, boolean extensions) {
    AnnotationTag annotation = getAnnotation(method, METHOD);
    if (annotation != null) {
        if (extensions && !(method.isStatic() && method.isNative())) {
            throw new CompilerException("Objective-C @Method method " + method + " in extension class must be static and native.");
        }
        transformObjCMethod(annotation, sootClass, method, selectors, overridables, extensions);
        return;
    }
    annotation = getAnnotation(method, IBACTION);
    if (annotation != null) {
        if (method.isStatic() || method.isNative()) {
            throw new CompilerException("Objective-C @IBAction method " + method + " must not be static or native.");
        }
        int paramCount = method.getParameterCount();
        Type param1 = paramCount > 0 ? method.getParameterType(0) : null;
        Type param2 = paramCount > 1 ? method.getParameterType(1) : null;
        if (method.getReturnType() != VoidType.v() || paramCount > 2 || (param1 != null && (!isNSObject(param1) && !isNSObject(param1))) || (param2 != null && (!isUIEvent(param2) || isNSObject(param1)))) {
            throw new CompilerException("Objective-C @IBAction method " + method + " does not have a supported signature. @IBAction methods" + " must return void and either take no arguments, 1 argument of type NSObject" + ", or 2 arguments of types NSObject and UIEvent.");
        }
        transformObjCMethod(annotation, sootClass, method, selectors, overridables, extensions);
        return;
    }
    annotation = getAnnotation(method, PROPERTY);
    if (annotation != null) {
        if (extensions && !(method.isStatic() && method.isNative())) {
            throw new CompilerException("Objective-C @Property method " + method + " in extension class must be static and native.");
        }
        transformObjCProperty(annotation, "@Property", sootClass, method, selectors, overridables, extensions);
        return;
    }
    annotation = getAnnotation(method, IBOUTLET);
    if (annotation != null) {
        if (method.isStatic()) {
            throw new CompilerException("Objective-C @IBOutlet method " + method + " must not be static.");
        }
        transformObjCProperty(annotation, "@IBOutlet", sootClass, method, selectors, overridables, extensions);
        return;
    }
    annotation = getAnnotation(method, IBOUTLETCOLLECTION);
    if (annotation != null) {
        if (method.isStatic()) {
            throw new CompilerException("Objective-C @IBOutletCollection method " + method + " must not be static.");
        }
        if (method.getReturnType() != VoidType.v() && !isNSArray(method.getReturnType()) || method.getReturnType() == VoidType.v() && method.getParameterCount() == 1 && !isNSArray(method.getParameterType(0))) {
            throw new CompilerException("Objective-C @IBOutletCollection method " + method + " does not have a supported signature. " + "@IBOutletCollection getter methods must return NSArray. " + "@IBOutletCollection setter methods must have 1 parameter of type NSArray.");
        }
        transformObjCProperty(annotation, "@IBOutletCollection", sootClass, method, selectors, overridables, extensions);
        return;
    }
    if (!method.isStatic() && !method.isNative() && !method.isAbstract() && !method.isPrivate() && isCustomClass(sootClass) && !hasAnnotation(method, NOT_IMPLEMENTED)) {
        /*
             * Create a @Callback for this method if it overrides a
             * @Method/@Property method in a superclass/interface.
             */
        List<SootMethod> superMethods = findOverriddenMethods(sootClass, method);
        for (SootMethod superMethod : superMethods) {
            if (createCustomClassCallbackIfNeeded(sootClass, method, superMethod)) {
                break;
            }
        }
    }
}