Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.Block.comment()

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            SortOrder sortOrder = sortOrders.get(i);

            Block block = new Block(compilerContext)
                    .setDescription("compare channel " + sortChannel + " " + sortOrder);

            block.comment("push leftBlock -- pagesIndex.getChannel(sortChannel).get(leftBlockIndex)")
                    .getVariable("pagesIndex")
                    .push(sortChannel)
                    .invokeVirtual(PagesIndex.class, "getChannel", ObjectArrayList.class, int.class)
                    .getVariable(leftBlockIndex)
                    .invokeVirtual(ObjectArrayList.class, "get", Object.class, int.class)
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                    .invokeVirtual(PagesIndex.class, "getChannel", ObjectArrayList.class, int.class)
                    .getVariable(leftBlockIndex)
                    .invokeVirtual(ObjectArrayList.class, "get", Object.class, int.class)
                    .checkCast(RandomAccessBlock.class);

            block.comment("push sortOrder")
                    .getStaticField(SortOrder.class, sortOrder.name(), SortOrder.class);

            block.comment("push leftBlockPosition")
                    .getVariable(leftBlockPosition);
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                    .checkCast(RandomAccessBlock.class);

            block.comment("push sortOrder")
                    .getStaticField(SortOrder.class, sortOrder.name(), SortOrder.class);

            block.comment("push leftBlockPosition")
                    .getVariable(leftBlockPosition);

            block.comment("push rightBlock -- pagesIndex.getChannel(sortChannel).get(rightBlockIndex)")
                    .getVariable("pagesIndex")
                    .push(sortChannel)
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                    .getStaticField(SortOrder.class, sortOrder.name(), SortOrder.class);

            block.comment("push leftBlockPosition")
                    .getVariable(leftBlockPosition);

            block.comment("push rightBlock -- pagesIndex.getChannel(sortChannel).get(rightBlockIndex)")
                    .getVariable("pagesIndex")
                    .push(sortChannel)
                    .invokeVirtual(PagesIndex.class, "getChannel", ObjectArrayList.class, int.class)
                    .getVariable(rightBlockIndex)
                    .invokeVirtual(ObjectArrayList.class, "get", Object.class, int.class)
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                    .invokeVirtual(PagesIndex.class, "getChannel", ObjectArrayList.class, int.class)
                    .getVariable(rightBlockIndex)
                    .invokeVirtual(ObjectArrayList.class, "get", Object.class, int.class)
                    .checkCast(RandomAccessBlock.class);

            block.comment("push rightBlockPosition")
                    .getVariable(rightBlockPosition);

            block.comment("invoke compareTo")
                    .invokeInterface(RandomAccessBlock.class, "compareTo", int.class, SortOrder.class, int.class, RandomAccessBlock.class, int.class);
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                    .checkCast(RandomAccessBlock.class);

            block.comment("push rightBlockPosition")
                    .getVariable(rightBlockPosition);

            block.comment("invoke compareTo")
                    .invokeInterface(RandomAccessBlock.class, "compareTo", int.class, SortOrder.class, int.class, RandomAccessBlock.class, int.class);

            LabelNode equal = new LabelNode("equal");
            block.comment("if (compare != 0) return compare")
                    .dup()
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            block.comment("invoke compareTo")
                    .invokeInterface(RandomAccessBlock.class, "compareTo", int.class, SortOrder.class, int.class, RandomAccessBlock.class, int.class);

            LabelNode equal = new LabelNode("equal");
            block.comment("if (compare != 0) return compare")
                    .dup()
                    .ifZeroGoto(equal)
                    .retInt()
                    .visitLabel(equal)
                    .pop(int.class);
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                .getBody()
                .comment("super();")
                .pushThis()
                .invokeConstructor(Object.class);

        constructor.comment("Set channel fields");
        for (int index = 0; index < channelFields.size(); index++) {
            constructor
                    .pushThis()
                    .getVariable("channels")
                    .push(index)
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                    .invokeInterface(List.class, "get", Object.class, int.class)
                    .checkCast(type(List.class, RandomAccessBlock.class))
                    .putField(channelFields.get(index));
        }

        constructor.comment("Set join channel fields");
        for (int index = 0; index < joinChannelFields.size(); index++) {
            constructor
                    .pushThis()
                    .getVariable("channels")
                    .push(joinChannels.get(index))
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        if (fields.size() == 1) {
            generatePrimitiveDeserializer(deserializerBody, getSetter(clazz, fields.get(0)));
        }
        else {
            LocalVariableDefinition slice = compilerContext.declareVariable(Slice.class, "slice");
            deserializerBody.comment("Slice slice = block.getSlice(index);")
                    .getVariable("block")
                    .getVariable("index")
                    .invokeInterface(com.facebook.presto.spi.block.Block.class, "getSlice", Slice.class, int.class)
                    .putVariable(slice);
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