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

org.objectweb.asm.CodeVisitor.visitVarInsn()
Visits a local variable instruction. A local variable instruction is an instruction that loads or stores the value of a local variable. @param opcode the opcode of the local variable instruction to be visited.This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET. @param var the operand of the instruction to be visited. This operand isthe index of a local variable.

        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, M_SPEEDO_GET_STATE, "()" + JT_STATE);
        mv.visitVarInsn(ASTORE, 1);


        //return sa != null && LifeCycle.isNew(sa.jdoGetStatus());
        Label l4 = new Label();
        mv.visitVarInsn(ALOAD, 1);
        mv.visitJumpInsn(IFNULL, l4);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, JCN_STATE, M_SPEEDO_GET_STATUS, "()B");
        mv.visitMethodInsn(INVOKESTATIC,JCN_LIFE_CYCLE, "isNew", "(B)Z");
        mv.visitJumpInsn(IFEQ, l4);

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        //return sa != null && LifeCycle.isNew(sa.jdoGetStatus());
        Label l4 = new Label();
        mv.visitVarInsn(ALOAD, 1);
        mv.visitJumpInsn(IFNULL, l4);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, JCN_STATE, M_SPEEDO_GET_STATUS, "()B");
        mv.visitMethodInsn(INVOKESTATIC,JCN_LIFE_CYCLE, "isNew", "(B)Z");
        mv.visitJumpInsn(IFEQ, l4);
        mv.visitInsn(ICONST_1);
        Label l5 = new Label();

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        mv = cv.visitMethod(ACC_PUBLIC, "jdoIsDeleted", "()Z", null, null);


        generateReturnFalseIfNotIsActive(mv);


        //StateItf sa = speedoGetState();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, M_SPEEDO_GET_STATE, "()" + JT_STATE);
        mv.visitVarInsn(ASTORE, 1);


        //return sa != null && LifeCycle.isDeleted(sa.jdoGetStatus());
        Label l4 = new Label();

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        generateReturnFalseIfNotIsActive(mv);


        //StateItf sa = speedoGetState();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, M_SPEEDO_GET_STATE, "()" + JT_STATE);
        mv.visitVarInsn(ASTORE, 1);


        //return sa != null && LifeCycle.isDeleted(sa.jdoGetStatus());
        Label l4 = new Label();
        mv.visitVarInsn(ALOAD, 1);
        mv.visitJumpInsn(IFNULL, l4);

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        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, M_SPEEDO_GET_STATE, "()" + JT_STATE);
        mv.visitVarInsn(ASTORE, 1);


        //return sa != null && LifeCycle.isDeleted(sa.jdoGetStatus());
        Label l4 = new Label();
        mv.visitVarInsn(ALOAD, 1);
        mv.visitJumpInsn(IFNULL, l4);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, JCN_STATE, M_SPEEDO_GET_STATUS, "()B");
        mv.visitMethodInsn(INVOKESTATIC, JCN_LIFE_CYCLE, "isDeleted", "(B)Z");
        mv.visitJumpInsn(IFEQ, l4);

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        //return sa != null && LifeCycle.isDeleted(sa.jdoGetStatus());
        Label l4 = new Label();
        mv.visitVarInsn(ALOAD, 1);
        mv.visitJumpInsn(IFNULL, l4);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, JCN_STATE, M_SPEEDO_GET_STATUS, "()B");
        mv.visitMethodInsn(INVOKESTATIC, JCN_LIFE_CYCLE, "isDeleted", "(B)Z");
        mv.visitJumpInsn(IFEQ, l4);
        mv.visitInsn(ICONST_1);
        Label l5 = new Label();

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            "(Ljava/lang/String;)Ljava/lang/Class;", null, null);
          //try {
                final Label l0 = new Label();
          c.visitLabel(l0);
          //return Class.forName(str)
                c.visitVarInsn(ALOAD, 0);
          c.visitMethodInsn(INVOKESTATIC, "java/lang/Class", "forName",
            "(Ljava/lang/String;)Ljava/lang/Class;");
          final Label l1 = new Label();
          c.visitLabel(l1);
          c.visitInsn(ARETURN);

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          final Label l1 = new Label();
          c.visitLabel(l1);
          c.visitInsn(ARETURN);
                final Label l2 = new Label();
          c.visitLabel(l2);
          c.visitVarInsn(ASTORE, 1);
          c.visitTypeInsn(NEW, "java/lang/NoClassDefFoundError");
          c.visitInsn(DUP);
          c.visitVarInsn(ALOAD, 1);
          c.visitMethodInsn(INVOKEVIRTUAL, "java/lang/ClassNotFoundException",
            "getMessage", "()Ljava/lang/String;");

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                final Label l2 = new Label();
          c.visitLabel(l2);
          c.visitVarInsn(ASTORE, 1);
          c.visitTypeInsn(NEW, "java/lang/NoClassDefFoundError");
          c.visitInsn(DUP);
          c.visitVarInsn(ALOAD, 1);
          c.visitMethodInsn(INVOKEVIRTUAL, "java/lang/ClassNotFoundException",
            "getMessage", "()Ljava/lang/String;");
          c.visitMethodInsn(INVOKESPECIAL, "java/lang/NoClassDefFoundError",
            "<init>", "(Ljava/lang/String;)V");
          c.visitInsn(ATHROW);

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            logger.log(BasicLevel.DEBUG, "Generate the method: getCeObject");
        }
        CodeVisitor mv = cv.visitMethod(ACC_PUBLIC, "getCeObject",
                "()Ljava/lang/Object;", null, null);
        // return this;
        mv.visitVarInsn(ALOAD, 0);
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
    }


    /**

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