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

org.objectweb.asm.CodeVisitor.visitInsn()
Visits a zero operand instruction. @param opcode the opcode of the instruction to be visited. This opcode iseither NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, or MONITOREXIT.

        mv.visitInsn(ICONST_1);
        Label l5 = new Label();
        mv.visitJumpInsn(GOTO, l5);
        
        mv.visitLabel(l4);
        mv.visitInsn(ICONST_0);
        
        mv.visitLabel(l5);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
    }

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        mv.visitLabel(l4);
        mv.visitInsn(ICONST_0);
        
        mv.visitLabel(l5);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateJdoIsDetachedMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoIsDetached", "()Z", null, null);

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        mv.visitMaxs(0, 0);
    }
    private void generateJdoIsDetachedMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoIsDetached", "()Z", null, null);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateJdoReplaceObjectIdMethod() {
        CodeVisitor mv;

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    }
    private void generateJdoIsDetachedMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoIsDetached", "()Z", null, null);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateJdoReplaceObjectIdMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoReplaceObjectId", "(Ljava/lang/Object;)V", null, null);

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        mv.visitMaxs(0, 0);
    }
    private void generateJdoReplaceObjectIdMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoReplaceObjectId", "(Ljava/lang/Object;)V", null, null);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateJdoReplaceStateManagerMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoReplaceStateManager", "(Ljavax/jdo/spi/StateManager;)V", null, null);

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        mv.visitMaxs(0, 0);
    }
    private void generateJdoReplaceStateManagerMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoReplaceStateManager", "(Ljavax/jdo/spi/StateManager;)V", null, null);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
    }
}

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        if (!clinitfound) {
          logger.log(BasicLevel.DEBUG, "Adding static area in " + classToWrite);
          CodeVisitor c = cv.visitMethod(Constants.ACC_STATIC,
            "<clinit>", "()V", null, null);
          addClassRegistrationCode(c);
          c.visitInsn(RETURN);
          c.visitMaxs(0, 0);
                clinitfound = true;
        }
    
        if (!classMethodfound) {

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                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);
                final Label l2 = new Label();
          c.visitLabel(l2);
          c.visitVarInsn(ASTORE, 1);
          c.visitTypeInsn(NEW, "java/lang/NoClassDefFoundError");
          c.visitInsn(DUP);

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          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;");
          c.visitMethodInsn(INVOKESPECIAL, "java/lang/NoClassDefFoundError",
            "<init>", "(Ljava/lang/String;)V");

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          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);
          c.visitTryCatchBlock(l0, l1, l2, "java/lang/ClassNotFoundException");
          c.visitMaxs(0, 0);
        }
        if (!classFieldfound) {
                classFieldfound = true;

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