Package com.facebook.presto.byteCode

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

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                .pushThis()
                .invokeConstructor(Object.class);

        constructor.comment("Set channel fields");
        for (int index = 0; index < channelFields.size(); index++) {
            constructor
                    .pushThis()
                    .getVariable("channels")
                    .push(index)
                    .invokeInterface(List.class, "get", Object.class, int.class)
                    .checkCast(type(List.class, com.facebook.presto.spi.block.Block.class))
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                    .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))
                    .invokeInterface(List.class, "get", Object.class, int.class)
                    .checkCast(type(List.class, com.facebook.presto.spi.block.Block.class))
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                arg("pageBuilder", PageBuilder.class),
                arg("outputChannelOffset", int.class))
                .getBody();

        for (int index = 0; index < channelFields.size(); index++) {
            appendToBody.pushThis()
                    .getField(channelFields.get(index))
                    .getVariable("blockIndex")
                    .invokeInterface(List.class, "get", Object.class, int.class)
                    .checkCast(com.facebook.presto.spi.block.Block.class)
                    .getVariable("blockPosition")
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        }

        IfStatementBuilder ifStatement = new IfStatementBuilder(compilerContext)
                .comment("if (filter(cursors...)");
        Block condition = new Block(compilerContext);
        condition.pushThis();
        List<Integer> filterInputChannels = getInputChannels(filter);
        for (int channel : filterInputChannels) {
            condition.getVariable("cursor_" + channel);
        }
        condition.invokeVirtual(classDefinition.getType(), "filter", type(boolean.class), nCopies(filterInputChannels.size(), type(BlockCursor.class)));
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        }
        else {
            // pageBuilder.getBlockBuilder(0).append(cursor.getDouble(0);
            for (int projectionIndex = 0; projectionIndex < projections.size(); projectionIndex++) {
                trueBlock.comment("project_%s(cursors..., pageBuilder.getBlockBuilder(%s))", projectionIndex, projectionIndex);
                trueBlock.pushThis();
                List<Integer> projectionInputs = getInputChannels(projections.get(projectionIndex));
                for (int channel : projectionInputs) {
                    trueBlock.getVariable("cursor_" + channel);
                }
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            trueBlock.getVariable("pageBuilder").invokeVirtual(PageBuilder.class, "declarePosition", void.class);
        }
        else {
            // project_43(cursor_0, cursor_1, pageBuilder.getBlockBuilder(42)));
            for (int projectionIndex = 0; projectionIndex < projections.size(); projectionIndex++) {
                trueBlock.pushThis();
                trueBlock.getVariable("cursor");

                // pageBuilder.getBlockBuilder(0)
                trueBlock.getVariable("pageBuilder")
                        .push(projectionIndex)
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        if (outputFunction != null) {
            body.comment("output(state, out)")
                    .pushThis()
                    .getField(stateField);
            if (approximate) {
                body.pushThis().getField(confidenceField);
            }
            body.getVariable("out")
                    .invokeStatic(outputFunction);
        }
        else {
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                type(com.facebook.presto.spi.block.Block.class))
                .getBody();

        context.declareVariable(BlockBuilder.class, "out");

        body.pushThis()
                .invokeVirtual(getFinalType)
                .newObject(BlockBuilderStatus.class)
                .dup()
                .invokeConstructor(BlockBuilderStatus.class)
                .invokeInterface(Type.class, "createBlockBuilder", BlockBuilder.class, BlockBuilderStatus.class)
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        if (outputFunction != null) {
            body.comment("output(state, out)")
                    .pushThis()
                    .getField(stateField);
            if (approximate) {
                body.pushThis().getField(confidenceField);
            }
            body.getVariable("out")
                    .invokeStatic(outputFunction);
        }
        else {
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                    probeChannelFields.get(index),
                    context.getVariable("this").getField(blockFields.get(probeChannels.get(index)))));
        }

        constructor.comment("this.probeBlocks = new Block[<probeChannelCount>];");
        constructor
                .pushThis()
                .push(probeChannelFields.size())
                .newArray(com.facebook.presto.spi.block.Block.class)
                .putField(probeBlocksArrayField);
        for (int index = 0; index < probeChannelFields.size(); index++) {
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