Package com.facebook.presto.byteCode

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

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                        .build());
        ifStatement.condition(condition);

        Block trueBlock = new Block(compilerContext);
        if (projections.isEmpty()) {
            trueBlock
                    .comment("pageBuilder.declarePosition()")
                    .getVariable("pageBuilder")
                    .invokeVirtual(PageBuilder.class, "declarePosition", void.class);
        }
        else {
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                    .invokeVirtual(PageBuilder.class, "declarePosition", void.class);
        }
        else {
            // pageBuilder.getBlockBuilder(0).append(block.getDouble(0);
            for (int projectionIndex = 0; projectionIndex < projections.size(); projectionIndex++) {
                trueBlock.comment("project_%s(position, blocks..., pageBuilder.getBlockBuilder(%s))", projectionIndex, projectionIndex);
                trueBlock.pushThis();
                List<Integer> projectionInputs = getInputChannels(projections.get(projectionIndex));
                trueBlock.getVariable(positionVariable);
                for (int channel : projectionInputs) {
                    trueBlock.getVariable("block_" + channel);
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                );

        Block forLoopBody = new Block(compilerContext);
        forLoop.body(forLoopBody);

        forLoopBody.comment("if (pageBuilder.isFull()) break;")
                .append(new Block(compilerContext)
                        .getVariable("pageBuilder")
                        .invokeVirtual(PageBuilder.class, "isFull", boolean.class)
                        .ifTrueGoto(done));
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                .append(new Block(compilerContext)
                        .getVariable("pageBuilder")
                        .invokeVirtual(PageBuilder.class, "isFull", boolean.class)
                        .ifTrueGoto(done));

        forLoopBody.comment("if (!cursor.advanceNextPosition()) break;")
                .append(new Block(compilerContext)
                        .getVariable("cursor")
                        .invokeInterface(RecordCursor.class, "advanceNextPosition", boolean.class)
                        .ifFalseGoto(done));
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                .append(body);

        Type projectionType = expressionTypes.get(projection);
        Block notNullBlock = new Block(context);
        if (projectionType.getJavaType() == boolean.class) {
            notNullBlock
                    .comment("output.append(<booleanStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendBoolean", BlockBuilder.class, boolean.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == long.class) {
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                    .comment("output.append(<booleanStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendBoolean", BlockBuilder.class, boolean.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == long.class) {
            notNullBlock
                    .comment("output.append(<longStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendLong", BlockBuilder.class, long.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == double.class) {
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                    .comment("output.append(<longStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendLong", BlockBuilder.class, long.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == double.class) {
            notNullBlock
                    .comment("output.append(<doubleStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendDouble", BlockBuilder.class, double.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == Slice.class) {
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                    .comment("output.append(<doubleStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendDouble", BlockBuilder.class, double.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == Slice.class) {
            notNullBlock
                    .comment("output.append(<sliceStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendSlice", BlockBuilder.class, Slice.class)
                    .pop();
        }
        else {
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                .getBody()
                .comment("super();")
                .pushThis()
                .invokeConstructor(Object.class);

        constructor.comment("this.lookupSource = lookupSource;");
        constructor
                .pushThis()
                .getVariable("lookupSource")
                .putField(lookupSourceField);
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        constructor
                .pushThis()
                .getVariable("lookupSource")
                .putField(lookupSourceField);

        constructor
                .comment("this.positionCount = page.getPositionCount();")
                .pushThis()
                .pushThis()
                .getVariable("page")
                .invokeVirtual(Page.class, "getPositionCount", int.class)
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