Examples with SootClass soot.SootClass used on opensource projects

Example 1 with SootClass

use of soot.SootClass 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 2 with SootClass

use of soot.SootClass in project robovm by robovm.

the class ObjCBlockPlugin method getBlockTargetMethod.

protected static SootMethod getBlockTargetMethod(SootMethod method) {
    soot.Type type = method.getReturnType();
    if (!(type instanceof RefType)) {
        throw new CompilerException("@Block annotated return type of method " + method + " must be of interface type");
    }
    SootClass blockType = ((RefType) type).getSootClass();
    if (!blockType.isInterface()) {
        throw new CompilerException("@Block annotated parameter return type " + "of method " + method + " must be of interface type");
    }
    List<SootMethod> allMethods = collectAbstractMethods(blockType);
    if (allMethods.isEmpty()) {
        throw new CompilerException("No abstract method found in interface " + blockType + " used in @Block annotated return type of method " + method);
    }
    if (allMethods.size() > 1) {
        throw new CompilerException("More than 1 abstract method found in interface " + blockType + " used in @Block annotated return type of method " + method);
    }
    return allMethods.get(0);
}

Example 3 with SootClass

use of soot.SootClass in project robovm by robovm.

the class ObjCProtocolProxyPlugin method beforeClass.

@Override
public void beforeClass(Config config, Clazz clazz, ModuleBuilder moduleBuilder) {
    init();
    SootClass sootClass = clazz.getSootClass();
    if (isObjCProtocol(sootClass)) {
        try {
            String proxyInternalName = clazz.getInternalName() + PROXY_CLASS_NAME_SUFFIX;
            ArrayList<String> interfazes = new ArrayList<>();
            collectProxyInterfaceInternalNames(sootClass, interfazes);
            ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
            cw.visit(51, ACC_SUPER + ACC_FINAL + ACC_SYNTHETIC + ACC_PUBLIC, proxyInternalName, null, getProxySuperclassInternalName(sootClass), new String[] { clazz.getInternalName() });
            generateProxyMethods(config, interfazes, cw);
            cw.visitEnd();
            File f = clazz.getPath().getGeneratedClassFile(proxyInternalName);
            FileUtils.writeByteArrayToFile(f, cw.toByteArray());
            // The proxy class is created after the interface is compiled.
            // This prevents the triggering of a recompile of the interface.
            f.setLastModified(clazz.lastModified());
            // Add the proxy class as a dependency for the protocol interface.
            // Important! This must be done AFTER the class file has been written.
            clazz.getClazzInfo().addClassDependency(proxyInternalName, false);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

Example 4 with SootClass

use of soot.SootClass in project robovm by robovm.

the class ObjCBlockPlugin method beforeClass.

@Override
public void beforeClass(Config config, Clazz clazz, ModuleBuilder moduleBuilder) throws IOException {
    init();
    SootClass sootClass = clazz.getSootClass();
    if (!sootClass.isInterface()) {
        Map<String, Integer> blockTypeIds = new HashMap<>();
        for (SootMethod method : sootClass.getMethods()) {
            if (method.isNative() && hasBridgeAnnotation(method) || hasCallbackAnnotation(method)) {
                int[] indexes = getBlockParameterIndexes(method);
                if (indexes != null || hasAnnotation(method, BLOCK)) {
                    transformMethod(config, clazz, method, indexes, blockTypeIds);
                }
            }
        }
    }
}

Example 5 with SootClass

use of soot.SootClass in project robovm by robovm.

the class ObjCBlockPlugin method getBlockTargetMethod.

protected static SootMethod getBlockTargetMethod(SootMethod method, int paramIndex) {
    soot.Type type = method.getParameterType(paramIndex);
    if (!(type instanceof RefType)) {
        throw new CompilerException("@Block annotated parameter " + (paramIndex + 1) + " of method " + method + " must be of interface type");
    }
    SootClass blockType = ((RefType) type).getSootClass();
    if (!blockType.isInterface()) {
        throw new CompilerException("@Block annotated parameter " + (paramIndex + 1) + " of method " + method + " must be of interface type");
    }
    List<SootMethod> allMethods = collectAbstractMethods(blockType);
    if (allMethods.isEmpty()) {
        throw new CompilerException("No abstract method found in interface " + blockType + " used in @Block annotated parameter " + (paramIndex + 1) + " of method " + method);
    }
    if (allMethods.size() > 1) {
        throw new CompilerException("More than 1 abstract method found in interface " + blockType + " used in @Block annotated parameter " + (paramIndex + 1) + " of method " + method);
    }
    return allMethods.get(0);
}