Examples of org.objectweb.asm.CodeVisitor.visitJumpInsn()

org.objectweb.asm.CodeVisitor.visitJumpInsn()
Visits a jump instruction. A jump instruction is an instruction that may jump to another instruction. @param opcode the opcode of the type instruction to be visited. This opcodeis either IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL. @param label the operand of the instruction to be visited. This operand isa label that designates the instruction to which the jump instruction may jump.


        isInCflow.visitFieldInsn(GETSTATIC, m_className, INSTANCE_CFLOW_FIELD_NAME, m_classSignature);


        Label isNull = new Label();


        isInCflow.visitJumpInsn(IFNULL, isNull);


        isInCflow.visitFieldInsn(GETSTATIC, m_className, INSTANCE_CFLOW_FIELD_NAME, m_classSignature);


        isInCflow.visitMethodInsn(INVOKEVIRTUAL, ABSTRACT_CFLOW_CLASS, IN_CFLOW_METOD_NAME, IN_CFLOW_METOD_SIGNATURE);

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        aspectOf.visitFieldInsn(GETSTATIC, m_className, INSTANCE_CFLOW_FIELD_NAME, m_classSignature);


        Label isNotNull = new Label();


        aspectOf.visitJumpInsn(IFNONNULL, isNotNull);


        aspectOf.visitTypeInsn(NEW, m_className);


        aspectOf.visitInsn(DUP);

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        Label gotoFinallyLabel = new Label();


        cv.visitJumpInsn(GOTO, gotoFinallyLabel);






        Label catchLabel = new Label();

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            if (endInstanceOflabel != null) {


                Label elseInstanceOfLabel = new Label();


                cv.visitJumpInsn(GOTO, elseInstanceOfLabel);


                endRuntimeCheck(cv, adviceInfo.getAdviceInfo(), endInstanceOflabel);


                cv.visitVarInsn(ALOAD, 0);

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                EMPTY_STRING_ARRAY,
                null
        );
        isInCflow.visitFieldInsn(GETSTATIC, m_className, INSTANCE_CFLOW_FIELD_NAME, m_classSignature);
        Label isNull = new Label();
        isInCflow.visitJumpInsn(IFNULL, isNull);
        isInCflow.visitFieldInsn(GETSTATIC, m_className, INSTANCE_CFLOW_FIELD_NAME, m_classSignature);
        isInCflow.visitMethodInsn(INVOKEVIRTUAL, ABSTRACT_CFLOW_CLASS, IN_CFLOW_METOD_NAME, IN_CFLOW_METOD_SIGNATURE);
        isInCflow.visitInsn(IRETURN);
        isInCflow.visitLabel(isNull);
        isInCflow.visitInsn(ICONST_0);

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                EMPTY_STRING_ARRAY,
                null
        );
        aspectOf.visitFieldInsn(GETSTATIC, m_className, INSTANCE_CFLOW_FIELD_NAME, m_classSignature);
        Label isNotNull = new Label();
        aspectOf.visitJumpInsn(IFNONNULL, isNotNull);
        aspectOf.visitTypeInsn(NEW, m_className);
        aspectOf.visitInsn(DUP);
        aspectOf.visitMethodInsn(INVOKESPECIAL, m_className, INIT_METHOD_NAME, NO_PARAM_RETURN_VOID_SIGNATURE);
        aspectOf.visitFieldInsn(PUTSTATIC, m_className, INSTANCE_CFLOW_FIELD_NAME, m_classSignature);
        aspectOf.visitLabel(isNotNull);

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        Label finallyLabel = new Label();
        cv.visitLabel(finallyLabel);


        Label gotoFinallyLabel = new Label();
        cv.visitJumpInsn(GOTO, gotoFinallyLabel);


        Label catchLabel = new Label();
        cv.visitLabel(catchLabel);
        cv.visitVarInsn(ASTORE, 0);

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            // we need to handle the case when the advice was skipped due to runtime check
            // that is : if (runtimeCheck) { ret = advice() } else { ret = proceed() }
            if (endInstanceOflabel != null) {
                Label elseInstanceOfLabel = new Label();
                cv.visitJumpInsn(GOTO, elseInstanceOfLabel);
                endRuntimeCheck(cv, adviceInfo.getAdviceInfo(), endInstanceOflabel);
                cv.visitVarInsn(ALOAD, 0);
                cv.visitMethodInsn(INVOKESPECIAL, m_joinPointClassName, PROCEED_METHOD_NAME, PROCEED_METHOD_SIGNATURE);
                cv.visitVarInsn(ASTORE, 1);
                cv.visitLabel(elseInstanceOfLabel);

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        Label finallyLabel = new Label();
        cv.visitLabel(finallyLabel);


        Label gotoFinallyLabel = new Label();
        cv.visitJumpInsn(GOTO, gotoFinallyLabel);


        Label catchLabel = new Label();
        cv.visitLabel(catchLabel);
        cv.visitVarInsn(ASTORE, 0);
        cv.visitTypeInsn(NEW, RUNTIME_EXCEPTION_CLASS_NAME);

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            // we need to handle the case when the advice was skept due to runtime check
            // that is : if (runtimeCheck) { ret = advice() } else { ret = proceed() }
            if (endInstanceOflabel != null) {
                Label elseInstanceOfLabel = new Label();
                cv.visitJumpInsn(GOTO, elseInstanceOfLabel);
                endRuntimeCheck(cv, adviceInfo.getAdviceInfo(), endInstanceOflabel);
                cv.visitVarInsn(ALOAD, 0);
                cv.visitMethodInsn(INVOKESPECIAL, m_joinPointClassName, PROCEED_METHOD_NAME, PROCEED_METHOD_SIGNATURE);
                cv.visitVarInsn(ASTORE, 1);
                cv.visitLabel(elseInstanceOfLabel);

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