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.

        CodeVisitor mv = cv.visitMethod(ACC_PUBLIC, "jdoGetObjectId", 
                "()Ljava/lang/Object;", null, null);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, 
                "getPName", "()Lorg/objectweb/jorm/naming/api/PName;");
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateJdoGetTransactionalObjectIdMethod() {
        CodeVisitor mv = cv.visitMethod(ACC_PUBLIC, "jdoGetTransactionalObjectId", 
                "()Ljava/lang/Object;", null, null);

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        CodeVisitor mv = cv.visitMethod(ACC_PUBLIC, "jdoGetTransactionalObjectId", 
                "()Ljava/lang/Object;", null, null);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, classToWrite, "getPName", 
                "()Lorg/objectweb/jorm/naming/api/PName;");
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
    }    
    private void generateJdoReplaceFieldIMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoReplaceField", "(I)V", null, null);

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        mv.visitMaxs(0, 0);
    }
    private void generateJdoMakeDirtyMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoMakeDirty", "(Ljava/lang/String;)V", null, null);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateJdoIsDirtyMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoIsDirty", "()Z", null, null);

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        //    return false;
        //}
        mv.visitVarInsn(ALOAD, 1);
        Label l4 = new Label();
        mv.visitJumpInsn(IFNONNULL, l4);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitLabel(l4);


        //byte status = sa.jdoGetStatus();
        mv.visitVarInsn(ALOAD, 1);

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        //}
        mv.visitVarInsn(ALOAD, 1);
        Label l4 = new Label();
        mv.visitJumpInsn(IFNONNULL, l4);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitLabel(l4);


        //byte status = sa.jdoGetStatus();
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, JCN_STATE, M_SPEEDO_GET_STATUS, "()B");

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        mv.visitVarInsn(ILOAD, 2);
        mv.visitMethodInsn(INVOKESTATIC, JCN_LIFE_CYCLE, "isDirty", "(B)Z");
        mv.visitJumpInsn(IFEQ, l7);
        
        mv.visitInsn(ICONST_1);
        Label l8 = new Label();
        mv.visitJumpInsn(GOTO, l8);
        
        mv.visitLabel(l7);
        mv.visitInsn(ICONST_0);

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        mv.visitInsn(ICONST_1);
        Label l8 = new Label();
        mv.visitJumpInsn(GOTO, l8);
        
        mv.visitLabel(l7);
        mv.visitInsn(ICONST_0);
        
        mv.visitLabel(l8);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
    }

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        mv.visitLabel(l7);
        mv.visitInsn(ICONST_0);
        
        mv.visitLabel(l8);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateJdoIsTransactionalMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, "jdoIsTransactional", "()Z", null, null);

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        //    return false;
        //}
        mv.visitVarInsn(ALOAD, 1);
        Label l4 = new Label();
        mv.visitJumpInsn(IFNONNULL, l4);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitLabel(l4);


        //byte status = sa.jdoGetStatus();
        mv.visitVarInsn(ALOAD, 1);

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        //}
        mv.visitVarInsn(ALOAD, 1);
        Label l4 = new Label();
        mv.visitJumpInsn(IFNONNULL, l4);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitLabel(l4);


        //byte status = sa.jdoGetStatus();
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, JCN_STATE, M_SPEEDO_GET_STATUS, "()B");

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