Package serp.bytecode

Examples of serp.bytecode.Code.dup()

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        m = bc.declareMethod("copy", Object.class, new Class[] {Object.class});
        m.makePublic();
        code = m.getCode(true);

        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",
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            } 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);
            code.checkcast().setType(Collection.class);
            code.invokevirtual().setMethod(type, "addAll", boolean.class,
                new Class[] { Collection.class });
            code.pop();
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            new Class[] { Class.class, Comparator.class, boolean.class });
        m.makePublic();
        code = m.getCode(true);

        code.anew().setType(bc);
        code.dup();
        cons = findComparatorConstructor(type);
        params = (cons == null) ? new Class[0] : cons.getParameterTypes();
        if (params.length == 1)
            code.aload().setParam(1);
        code.invokespecial().setMethod("<init>", void.class, params);
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        // private BitSet loaded = new BitSet();
        BCField loaded = addBeanField(bc, "loaded", BitSet.class);
        loaded.setFinal(true);
        code.aload().setThis();
        code.anew().setType(BitSet.class);
        code.dup();
        code.constant().setValue(bc.getFields().length);
        code.invokespecial().setMethod(BitSet.class, "<init>", void.class,
            new Class[]{ int.class });
        code.putfield().setField(loaded);
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        // create change tracker and set it
        code.iload().setParam(2);
        JumpInstruction ifins = code.ifeq();
        code.aload().setLocal(ret);
        code.anew().setType(CollectionChangeTrackerImpl.class);
        code.dup();
        code.aload().setLocal(ret);
        code.constant().setValue(allowsDuplicates(type));
        code.constant().setValue(isOrdered(type));
        code.invokespecial().setMethod(CollectionChangeTrackerImpl.class,
            "<init>", void.class, new Class[] { Collection.class,
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        m = bc.declareMethod("copy", Object.class, new Class[] {Object.class});
        m.makePublic();
        code = m.getCode(true);

        code.anew().setType(type);
        code.dup();
        if (params.length == 1) {
            code.aload().setParam(0);
            if (params[0] == Comparator.class) {
                code.checkcast().setType(SortedMap.class);
                code.invokeinterface().setMethod(SortedMap.class, "comparator",
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            } 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);
            code.checkcast().setType(Map.class);
            code.invokevirtual().setMethod(type, "putAll", void.class,
                new Class[] { Map.class });
        }
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            boolean.class });
        m.makePublic();
        code = m.getCode(true);

        code.anew().setType(bc);
        code.dup();
        cons = findComparatorConstructor(type);
        params = (cons == null) ? new Class[0] : cons.getParameterTypes();
        if (params.length == 1)
            code.aload().setParam(2);
        code.invokespecial().setMethod("<init>", void.class, params);
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        // create change tracker and set it
        code.iload().setParam(3);
        JumpInstruction ifins = code.ifeq();
        code.aload().setLocal(ret);
        code.anew().setType(MapChangeTrackerImpl.class);
        code.dup();
        code.aload().setLocal(ret);
        code.invokespecial().setMethod(MapChangeTrackerImpl.class,
            "<init>", void.class, new Class[] { Map.class });
        code.putfield().setField(changeTracker);
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        m = bc.declareMethod("copy", Object.class, new Class[] {Object.class});
        m.makePublic();
        code = m.getCode(true);

        code.anew().setType(type);
        code.dup();
        if (params.length == 1) {
            if (params[0] == long.class) {
                code.aload().setParam(0);
                code.checkcast().setType(Date.class);
                code.invokevirtual().setMethod(Date.class, "getTime",
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