Examples of serp.bytecode.Code.constant()

serp.bytecode.Code.constant()
Load some constant onto the stack. The {@link ConstantInstruction}type takes any constant and correctly translates it into the proper opcode, depending on the constant type and value. For example, if the constant value is set to 0L, the opcode will be set to lconst0.

                Object.class, null);
            code.invokeinterface().setMethod(ObjectOutput.class,
                "writeObject", void.class, objargs);
            //    out.writeObject (null) // StateManager
            code.aload().setParam(0);
            code.constant().setValue((Object) null);
            code.invokeinterface().setMethod(ObjectOutput.class,
                "writeObject", void.class, objargs);
        }
        if (go2 != null)
            go2.setTarget(code.nop());

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        // if their specs consider detached state definitive
        method = _pc.declareMethod(ISDETACHEDSTATEDEFINITIVE, boolean.class,
            null);
        method.makePrivate();
        code = method.getCode(true);
        code.constant().setValue(false);
        code.ireturn();
        code.calculateMaxStack();
        code.calculateMaxLocals();
    }

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        code.beforeFirst();
        if (code.searchForward(template)) {
            // ((<type>) clone).pcStateManager = null;
            code.dup();
            code.checkcast().setType(_pc);
            code.constant().setNull();
            code.putfield().setField(SM, SMTYPE);


            // if modified, increase stack
            code.calculateMaxStack();
            code.calculateMaxLocals();

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                Object.class, null);  
        code.checkcast().setType(Proxy.class);  
        int other = code.getNextLocalsIndex();
        code.astore().setLocal(other);
        code.aload().setLocal(other);
        code.constant().setNull();
        code.constant().setValue(0);
        code.invokeinterface().setMethod(Proxy.class, "setOwner", void.class,
                new Class[] { OpenJPAStateManager.class, int.class });
        code.aload().setLocal(other);
        code.areturn();

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        code.checkcast().setType(Proxy.class);  
        int other = code.getNextLocalsIndex();
        code.astore().setLocal(other);
        code.aload().setLocal(other);
        code.constant().setNull();
        code.constant().setValue(0);
        code.invokeinterface().setMethod(Proxy.class, "setOwner", void.class,
                new Class[] { OpenJPAStateManager.class, int.class });
        code.aload().setLocal(other);
        code.areturn();
        code.calculateMaxStack();

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        if (changeTracker) {
            m = bc.declareMethod("getChangeTracker", ChangeTracker.class, null);
            m.makePublic();
            code = m.getCode(true);
            code.constant().setNull();
            code.areturn();
            code.calculateMaxStack();
            code.calculateMaxLocals();
        }
    }

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        code.xreturn().setType(fmd.getDeclaredType());


        // int field = pcInheritedFieldCount + <fieldindex>;
        int fieldLocal = code.getNextLocalsIndex();
        ifins.setTarget(code.getstatic().setField(INHERIT, int.class));
        code.constant().setValue(index);
        code.iadd();
        code.istore().setLocal(fieldLocal);


        // inst.pcStateManager.accessingField (field);
        // return inst.<field>;

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        code.xload().setParam(firstParamOffset);
        addSetManagedValueCode(code, fmd);
        if(fmd.isVersion()==true && _addVersionInitFlag){
            // if we are setting the version, flip the versionInit flag to true
            loadManagedInstance(code, true);
            code.constant().setValue(1);
            // pcVersionInit = true;
            putfield(code, null, VERSION_INIT_STR, boolean.class);   
        }
        code.vreturn();

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        //     pcInheritedFieldCount + <index>, inst.<field>, value, 0);
        ifins.setTarget(loadManagedInstance(code, true, fmd));
        code.getfield().setField(SM, SMTYPE);
        loadManagedInstance(code, true, fmd);
        code.getstatic().setField(INHERIT, int.class);
        code.constant().setValue(index);
        code.iadd();
        loadManagedInstance(code, true, fmd);
        addGetManagedValueCode(code, fmd);
        code.xload().setParam(firstParamOffset);
        code.constant().setValue(0);

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        code.constant().setValue(index);
        code.iadd();
        loadManagedInstance(code, true, fmd);
        addGetManagedValueCode(code, fmd);
        code.xload().setParam(firstParamOffset);
        code.constant().setValue(0);
        code.invokeinterface().setMethod(getStateManagerMethod
            (fmd.getDeclaredType(), "setting", false, true));
        code.vreturn();


        code.calculateMaxStack();

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