Examples with StaticInvokeExpr soot.jimple.StaticInvokeExpr used on opensource projects

Example 1 with StaticInvokeExpr

use of soot.jimple.StaticInvokeExpr in project robovm by robovm.

the class MethodCompiler method invokeExpr.

private Value invokeExpr(Stmt stmt, InvokeExpr expr) {
    SootMethodRef methodRef = expr.getMethodRef();
    ArrayList<Value> args = new ArrayList<Value>();
    args.add(env);
    if (!(expr instanceof StaticInvokeExpr)) {
        Value base = immediate(stmt, (Immediate) ((InstanceInvokeExpr) expr).getBase());
        checkNull(stmt, base);
        args.add(base);
    }
    int i = 0;
    for (soot.Value sootArg : (List<soot.Value>) expr.getArgs()) {
        Value arg = immediate(stmt, (Immediate) sootArg);
        args.add(narrowFromI32Value(stmt, getType(methodRef.parameterType(i)), arg));
        i++;
    }
    Value result = null;
    FunctionRef functionRef = config.isDebug() ? null : Intrinsics.getIntrinsic(sootMethod, stmt, expr);
    if (functionRef == null) {
        Trampoline trampoline = null;
        String targetClassName = getInternalName(methodRef.declaringClass());
        String methodName = methodRef.name();
        String methodDesc = getDescriptor(methodRef);
        if (expr instanceof SpecialInvokeExpr) {
            soot.Type runtimeType = ((SpecialInvokeExpr) expr).getBase().getType();
            String runtimeClassName = runtimeType == NullType.v() ? targetClassName : getInternalName(runtimeType);
            trampoline = new Invokespecial(this.className, targetClassName, methodName, methodDesc, runtimeClassName);
        } else if (expr instanceof StaticInvokeExpr) {
            trampoline = new Invokestatic(this.className, targetClassName, methodName, methodDesc);
        } else if (expr instanceof VirtualInvokeExpr) {
            soot.Type runtimeType = ((VirtualInvokeExpr) expr).getBase().getType();
            String runtimeClassName = runtimeType == NullType.v() ? targetClassName : getInternalName(runtimeType);
            trampoline = new Invokevirtual(this.className, targetClassName, methodName, methodDesc, runtimeClassName);
        } else if (expr instanceof InterfaceInvokeExpr) {
            trampoline = new Invokeinterface(this.className, targetClassName, methodName, methodDesc);
        }
        trampolines.add(trampoline);
        if (canCallDirectly(expr)) {
            SootMethod method = this.sootMethod.getDeclaringClass().getMethod(methodRef.name(), methodRef.parameterTypes(), methodRef.returnType());
            if (method.isSynchronized()) {
                functionRef = FunctionBuilder.synchronizedWrapper(method).ref();
            } else {
                functionRef = createMethodFunction(method).ref();
            }
        } else {
            functionRef = trampoline.getFunctionRef();
        }
    }
    result = call(stmt, functionRef, args.toArray(new Value[0]));
    if (result != null) {
        return widenToI32Value(stmt, result, methodRef.returnType().equals(CharType.v()));
    } else {
        return null;
    }
}

Example 2 with StaticInvokeExpr

use of soot.jimple.StaticInvokeExpr in project robovm by robovm.

the class MethodCompiler method canCallDirectly.

private boolean canCallDirectly(InvokeExpr expr) {
    if (expr instanceof InterfaceInvokeExpr) {
        // Never possible
        return false;
    }
    SootClass sootClass = this.sootMethod.getDeclaringClass();
    SootMethodRef methodRef = expr.getMethodRef();
    if (!methodRef.declaringClass().equals(sootClass)) {
        return false;
    }
    try {
        SootMethod method = sootClass.getMethod(methodRef.name(), methodRef.parameterTypes(), methodRef.returnType());
        if (method.isAbstract()) {
            return false;
        }
        /*
             * The method exists and isn't abstract. Non virtual (invokespecial) 
             * as well as static calls and calls to final methods can be done directly.
             */
        if (method.isStatic()) {
            // want an exception to be thrown so we need a trampoline.
            return expr instanceof StaticInvokeExpr;
        }
        if (expr instanceof SpecialInvokeExpr) {
            return true;
        }
        if (expr instanceof VirtualInvokeExpr) {
            // the method must be private
            return Modifier.isFinal(sootClass.getModifiers()) || Modifier.isFinal(method.getModifiers()) || method.isPrivate();
        }
        return false;
    } catch (RuntimeException e) {
        // isn't declared in the class.
        return false;
    }
}

Example 3 with StaticInvokeExpr

use of soot.jimple.StaticInvokeExpr in project robovm by robovm.

the class ObjCMemberPlugin method addBindCall.

private void addBindCall(SootClass sootClass) {
    Jimple j = Jimple.v();
    SootMethod clinit = getOrCreateStaticInitializer(sootClass);
    Body body = clinit.retrieveActiveBody();
    String internalName = sootClass.getName().replace('.', '/');
    ClassConstant c = ClassConstant.v(internalName);
    Chain<Unit> units = body.getUnits();
    // Don't call bind if there's already a call in the static initializer
    for (Unit unit : units) {
        if (unit instanceof InvokeStmt) {
            InvokeStmt stmt = (InvokeStmt) unit;
            if (stmt.getInvokeExpr() instanceof StaticInvokeExpr) {
                StaticInvokeExpr expr = (StaticInvokeExpr) stmt.getInvokeExpr();
                SootMethodRef ref = expr.getMethodRef();
                if (ref.isStatic() && ref.declaringClass().equals(org_robovm_objc_ObjCRuntime) && ref.name().equals("bind")) {
                    if (ref.parameterTypes().isEmpty() || expr.getArg(0).equals(c)) {
                        return;
                    }
                }
            }
        }
    }
    // Call ObjCRuntime.bind(<class>)
    units.insertBefore(j.newInvokeStmt(j.newStaticInvokeExpr(org_robovm_objc_ObjCRuntime_bind, ClassConstant.v(internalName))), units.getLast());
}

Example 4 with StaticInvokeExpr

use of soot.jimple.StaticInvokeExpr in project robovm by robovm.

the class ObjCMemberPlugin method createBridge.

private void createBridge(SootClass sootClass, SootMethod method, String selectorName, boolean strongRefSetter, boolean extensions) {
    Jimple j = Jimple.v();
    boolean usingGenericInstanceMethod = false;
    SootMethod msgSendMethod = getMsgSendMethod(selectorName, method, extensions);
    /*
         * Add the method even if we might remove it later to make marshaler
         * lookup on the method work as expected.
         */
    sootClass.addMethod(msgSendMethod);
    addBridgeAnnotation(msgSendMethod);
    SootMethodRef msgSendMethodRef = getGenericMsgSendReplacementMethod(msgSendMethod);
    if (!msgSendMethodRef.declaringClass().getType().equals(msgSendMethod.getDeclaringClass().getType())) {
        /*
             * There's a generic objc_msgSend method we can use. Remove
             * msgSendMethod from the class.
             */
        sootClass.removeMethod(msgSendMethod);
        /*
             * Can we use a generic <name>_instance method from $M? If we can we
             * won't have to make a call to objc_msgSendSuper.
             */
        if (!method.isStatic()) {
            // Yes!
            msgSendMethodRef = Scene.v().makeMethodRef(msgSendMethodRef.declaringClass(), msgSendMethodRef.name() + "_instance", msgSendMethodRef.parameterTypes(), msgSendMethodRef.returnType(), true);
            usingGenericInstanceMethod = true;
        }
    }
    SootMethodRef msgSendSuperMethodRef = null;
    if (!usingGenericInstanceMethod && !extensions && !method.isStatic()) {
        SootMethod msgSendSuperMethod = getMsgSendSuperMethod(selectorName, method);
        /*
             * Add the method even if we might remove it later to make marshaler
             * lookup on the method work as expected.
             */
        sootClass.addMethod(msgSendSuperMethod);
        addBridgeAnnotation(msgSendSuperMethod);
        msgSendSuperMethodRef = getGenericMsgSendSuperReplacementMethod(msgSendSuperMethod);
        if (!msgSendSuperMethodRef.declaringClass().getType().equals(msgSendSuperMethod.getDeclaringClass().getType())) {
            /*
                 * There's a generic objc_msgSendSuper method we can use. Remove
                 * msgSendSuperMethod from the class.
                 */
            sootClass.removeMethod(msgSendSuperMethod);
        }
    }
    method.setModifiers(method.getModifiers() & ~NATIVE);
    Body body = j.newBody(method);
    method.setActiveBody(body);
    PatchingChain<Unit> units = body.getUnits();
    Local thiz = null;
    if (extensions) {
        thiz = j.newLocal("$this", method.getParameterType(0));
        body.getLocals().add(thiz);
        units.add(j.newIdentityStmt(thiz, j.newParameterRef(method.getParameterType(0), 0)));
    } else if (!method.isStatic()) {
        thiz = j.newLocal("$this", sootClass.getType());
        body.getLocals().add(thiz);
        units.add(j.newIdentityStmt(thiz, j.newThisRef(sootClass.getType())));
    }
    LinkedList<Value> args = new LinkedList<>();
    for (int i = extensions ? 1 : 0; i < method.getParameterCount(); i++) {
        Type t = method.getParameterType(i);
        Local p = j.newLocal("$p" + i, t);
        body.getLocals().add(p);
        units.add(j.newIdentityStmt(p, j.newParameterRef(t, i)));
        args.add(p);
    }
    Local objCClass = null;
    if (!extensions && method.isStatic()) {
        objCClass = j.newLocal("$objCClass", org_robovm_objc_ObjCClass.getType());
        body.getLocals().add(objCClass);
        units.add(j.newAssignStmt(objCClass, j.newStaticFieldRef(Scene.v().makeFieldRef(sootClass, "$objCClass", org_robovm_objc_ObjCClass.getType(), true))));
    }
    if (strongRefSetter) {
        Type propType = method.getParameterType(extensions ? 1 : 0);
        if (propType instanceof RefLikeType) {
            SootMethodRef getter = findStrongRefGetter(sootClass, method, extensions).makeRef();
            Local before = j.newLocal("$before", propType);
            body.getLocals().add(before);
            units.add(j.newAssignStmt(before, extensions ? j.newStaticInvokeExpr(getter, thiz) : (objCClass != null ? j.newStaticInvokeExpr(getter) : j.newVirtualInvokeExpr(thiz, getter))));
            Value after = args.get(0);
            if (extensions) {
                units.add(j.newInvokeStmt(j.newStaticInvokeExpr(org_robovm_objc_ObjCExtensions_updateStrongRef, Arrays.asList(thiz, before, after))));
            } else {
                units.add(j.newInvokeStmt(j.newVirtualInvokeExpr(objCClass != null ? objCClass : thiz, org_robovm_objc_ObjCObject_updateStrongRef, before, after)));
            }
        }
    }
    Local sel = j.newLocal("$sel", org_robovm_objc_Selector.getType());
    body.getLocals().add(sel);
    // $sel = <selector>
    units.add(j.newAssignStmt(sel, j.newStaticFieldRef(Scene.v().makeFieldRef(sootClass, getSelectorFieldName(selectorName), org_robovm_objc_Selector.getType(), true))));
    args.addFirst(sel);
    Local customClass = null;
    if (!usingGenericInstanceMethod && !extensions && !Modifier.isFinal(sootClass.getModifiers()) && !method.isStatic()) {
        customClass = j.newLocal("$customClass", BooleanType.v());
        body.getLocals().add(customClass);
        units.add(j.newAssignStmt(customClass, j.newInstanceFieldRef(thiz, org_robovm_objc_ObjCObject_customClass)));
    }
    Local ret = null;
    if (method.getReturnType() != VoidType.v()) {
        ret = j.newLocal("$ret", msgSendMethodRef.returnType());
        body.getLocals().add(ret);
    }
    Local castRet = null;
    if (!msgSendMethodRef.returnType().equals(method.getReturnType())) {
        /*
             * We're calling a generic method in $M which returns an NSObject.
             * We need to cast that to the return type declared by the method
             * being generated.
             */
        castRet = j.newLocal("$castRet", method.getReturnType());
        body.getLocals().add(castRet);
    }
    StaticInvokeExpr invokeMsgSendExpr = j.newStaticInvokeExpr(msgSendMethodRef, l(thiz != null ? thiz : objCClass, args));
    Stmt invokeMsgSendStmt = ret == null ? j.newInvokeStmt(invokeMsgSendExpr) : j.newAssignStmt(ret, invokeMsgSendExpr);
    if (customClass != null) {
        // if $customClass == 0 goto <invokeMsgSendStmt>
        units.add(j.newIfStmt(j.newEqExpr(customClass, IntConstant.v(0)), invokeMsgSendStmt));
        // $super = this.getSuper()
        Local zuper = j.newLocal("$super", org_robovm_objc_ObjCSuper.getType());
        body.getLocals().add(zuper);
        units.add(j.newAssignStmt(zuper, j.newVirtualInvokeExpr(body.getThisLocal(), org_robovm_objc_ObjCObject_getSuper)));
        StaticInvokeExpr invokeMsgSendSuperExpr = j.newStaticInvokeExpr(msgSendSuperMethodRef, l(zuper, args));
        units.add(ret == null ? j.newInvokeStmt(invokeMsgSendSuperExpr) : j.newAssignStmt(ret, invokeMsgSendSuperExpr));
        if (ret != null) {
            if (castRet != null) {
                units.add(j.newAssignStmt(castRet, j.newCastExpr(ret, castRet.getType())));
                units.add(j.newReturnStmt(castRet));
            } else {
                units.add(j.newReturnStmt(ret));
            }
        } else {
            units.add(j.newReturnVoidStmt());
        }
    }
    units.add(invokeMsgSendStmt);
    if (ret != null) {
        if (castRet != null) {
            units.add(j.newAssignStmt(castRet, j.newCastExpr(ret, castRet.getType())));
            units.add(j.newReturnStmt(castRet));
        } else {
            units.add(j.newReturnStmt(ret));
        }
    } else {
        units.add(j.newReturnVoidStmt());
    }
}