Package org.apache.xbean.asm

Examples of org.apache.xbean.asm.MethodVisitor.visitLabel()

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            mv.visitInsn(RETURN);
        }

        // catch InvocationTargetException
        if (exceptionTypes.length > 0) {
            mv.visitLabel(l2);
            mv.visitVarInsn(ASTORE, length);

            final Label l5 = new Label();
            mv.visitLabel(l5);
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        if (exceptionTypes.length > 0) {
            mv.visitLabel(l2);
            mv.visitVarInsn(ASTORE, length);

            final Label l5 = new Label();
            mv.visitLabel(l5);

            for (int i = 0; i < exceptionTypes.length; i++) {
                final Class<?> exceptionType = exceptionTypes[i];

                mv.visitLdcInsn(Type.getType("L" + exceptionType.getCanonicalName().replace('.', '/') + ";"));
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                final Label l6 = new Label();
                mv.visitJumpInsn(IFEQ, l6);

                final Label l7 = new Label();
                mv.visitLabel(l7);

                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause",
                        "()Ljava/lang/Throwable;");
                mv.visitTypeInsn(CHECKCAST, exceptionType.getCanonicalName().replace('.', '/'));
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                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause",
                        "()Ljava/lang/Throwable;");
                mv.visitTypeInsn(CHECKCAST, exceptionType.getCanonicalName().replace('.', '/'));
                mv.visitInsn(ATHROW);
                mv.visitLabel(l6);

                if (i == (exceptionTypes.length - 1)) {
                    mv.visitTypeInsn(NEW, "java/lang/reflect/UndeclaredThrowableException");
                    mv.visitInsn(DUP);
                    mv.visitVarInsn(ALOAD, length);
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                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;");
                mv.visitTypeInsn(CHECKCAST, exceptionType.getCanonicalName().replace('.', '/'));
                mv.visitInsn(ATHROW);
                mv.visitLabel(l6);

                if (i == (exceptionTypes.length - 1)) {
                    mv.visitTypeInsn(NEW, "java/lang/reflect/UndeclaredThrowableException");
                    mv.visitInsn(DUP);
                    mv.visitVarInsn(ALOAD, length);
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        if (exceptionTypes.length > 0) {
            mv.visitTryCatchBlock(l0, l1, l2, "java/lang/reflect/InvocationTargetException");
        }

        // push try code
        mv.visitLabel(l0);
        final String classNameToOverride = method.getDeclaringClass().getName().replace('.', '/');
        mv.visitLdcInsn(Type.getType("L" + classNameToOverride + ";"));

        // the following code generates the bytecode for this line of Java:
        // Method method = <proxy>.class.getMethod("add", new Class[] { <array of function argument classes> });
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        // the following code generates bytecode equivalent to:
        // return ((<returntype>) invocationHandler.invoke(this, method, new Object[] { <function arguments }))[.<primitive>Value()];

        final Label l4 = new Label();
        mv.visitLabel(l4);
        mv.visitVarInsn(ALOAD, 0);

        // get the invocationHandler field from this class
        mv.visitFieldInsn(GETFIELD, proxyName, handlerName, "Ljava/lang/reflect/InvocationHandler;");
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            // get the primitive value
            mv.visitMethodInsn(INVOKEVIRTUAL, getWrapperType(returnType), getPrimitiveMethod(returnType), "()" + getPrimitiveLetter(returnType));
        }

        // push return
        mv.visitLabel(l1);
        if (!Void.TYPE.equals(returnType)) {
            mv.visitInsn(getReturnInsn(returnType));
        } else {
            mv.visitInsn(POP);
            mv.visitInsn(RETURN);
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            mv.visitInsn(RETURN);
        }

        // catch InvocationTargetException
        if (exceptionTypes.length > 0) {
            mv.visitLabel(l2);
            mv.visitVarInsn(ASTORE, length);

            final Label l5 = new Label();
            mv.visitLabel(l5);
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        if (exceptionTypes.length > 0) {
            mv.visitLabel(l2);
            mv.visitVarInsn(ASTORE, length);

            final Label l5 = new Label();
            mv.visitLabel(l5);

            for (int i = 0; i < exceptionTypes.length; i++) {
                final Class<?> exceptionType = exceptionTypes[i];

                mv.visitLdcInsn(Type.getType("L" + exceptionType.getCanonicalName().replace('.', '/') + ";"));
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