Examples of serp.bytecode.Code.checkcast()

serp.bytecode.Code.checkcast()
Cast an object on the stack to another type; the checkcast opcode.

        // clone will be on stack
        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();

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        m.makePublic();
        code = m.getCode(true);
        code.aload().setThis();
        code.invokespecial().setMethod(bc.getSuperclassType(), "clone",
                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);

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        code.anew().setType(type);
        code.dup();
        if (params.length == 1) {
            code.aload().setParam(0);
            if (params[0] == Comparator.class) {
                code.checkcast().setType(SortedSet.class);
                code.invokeinterface().setMethod(SortedSet.class, "comparator", 
                    Comparator.class, null);
            } else
                code.checkcast().setType(params[0]);
        }

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            if (params[0] == Comparator.class) {
                code.checkcast().setType(SortedSet.class);
                code.invokeinterface().setMethod(SortedSet.class, "comparator", 
                    Comparator.class, null);
            } else
                code.checkcast().setType(params[0]);
        }
        code.invokespecial().setMethod(type, "<init>", void.class, params);
        if (params.length == 0 || params[0] == Comparator.class) {
            code.dup();
            code.aload().setParam(0);

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        }
        code.invokespecial().setMethod(type, "<init>", void.class, params);
        if (params.length == 0 || params[0] == Comparator.class) {
            code.dup();
            code.aload().setParam(0);
            code.checkcast().setType(Collection.class);
            code.invokevirtual().setMethod(type, "addAll", boolean.class, 
                new Class[] { Collection.class });
            code.pop();
        }
        code.areturn();

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                loadManagedInstance(code, false, fmds[i]);
                code.iload().setParam(0);
                code.invokeinterface().setMethod(getStateManagerMethod
                    (fmds[i].getDeclaredType(), "replace", true, false));
                if (!fmds[i].getDeclaredType().isPrimitive())
                    code.checkcast().setType(fmds[i].getDeclaredType());


                addSetManagedValueCode(code, fmds[i]);
                if(_addVersionInitFlag){
                    if(fmds[i].isVersion()){
                        // If this case is setting the version field

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                // get the managed instance into the local variable table
                code.aload().setParam(0);
                code.invokestatic().setMethod(ImplHelper.class,
                    "getManagedInstance", Object.class,
                    new Class[] { Object.class });
                code.checkcast().setType(_managedType);
                inst = code.getNextLocalsIndex();
                code.astore().setLocal(inst);


                // there might be a difference between the classes of 'this'
                // vs 'other' in this context; use the PC methods to get the SM

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                code.invokeinterface().setMethod(PersistenceCapable.class,
                    "pcGetStateManager", StateManager.class, null);
            } else {
                // XXX other = (XXX) pc;
                code.aload().setParam(0);
                code.checkcast().setType(_pc);
                inst = code.getNextLocalsIndex();
                code.astore().setLocal(inst);


                // access the other's sm field directly
                code.aload().setLocal(inst);

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                        } else {
                            // Load constructor parameters in appropriate order
                            loadLocalValue(code, localIndexes[parmIndex], fmds[parmIndex].getObjectIdFieldTypeCode());
                            if (fmds[parmIndex].getObjectIdFieldTypeCode() == JavaTypes.OBJECT &&
                                !fmds[parmIndex].getDeclaredType().isEnum()) {
                                code.checkcast().setType(ObjectId.class);
                                code.invokevirtual().setMethod(ObjectId.class, "getId", 
                                    Object.class, null);                    
                            }
                            // if the type of this field meta data is
                            // non-primitive and non-string, be sure to cast

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                            // if the type of this field meta data is
                            // non-primitive and non-string, be sure to cast
                            // to the appropriate type.
                            if (!clsArgs[i].isPrimitive()
                                && !clsArgs[i].getName().equals(String.class.getName()))
                                code.checkcast().setType(clsArgs[i]);
                        }
                    }
                    // invoke the public constructor to create a new local id
                    code.invokespecial().setMethod(oidType, "<init>", void.class, clsArgs);
                    int ret = code.getNextLocalsIndex();

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