Package com.facebook.presto.byteCode.instruction

Examples of com.facebook.presto.byteCode.instruction.LabelNode

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            }
        }
        ImmutableListMultimap<Integer, ByteCodeNode> hashBuckets = hashBucketsBuilder.build();
        ImmutableSet<Object> constantValues = constantValuesBuilder.build();

        LabelNode end = new LabelNode("end");
        LabelNode match = new LabelNode("match");
        LabelNode noMatch = new LabelNode("noMatch");

        LabelNode defaultLabel = new LabelNode("default");

        ByteCodeNode switchBlock;
        if (constantValues.size() < 1000) {
            Block switchCaseBlocks = new Block(context);
            LookupSwitchBuilder switchBuilder = lookupSwitchBuilder();
            for (Entry<Integer, Collection<ByteCodeNode>> bucket : hashBuckets.asMap().entrySet()) {
                LabelNode label = new LabelNode("inHash" + bucket.getKey());
                switchBuilder.addCase(bucket.getKey(), label);
                Collection<ByteCodeNode> testValues = bucket.getValue();

                Block caseBlock = buildInCase(context, type, label, match, defaultLabel, testValues, false);
                switchCaseBlocks
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        if (checkForNulls) {
            caseBlock.putVariable(caseWasNull.getLocalVariableDefinition(), false);
        }

        LabelNode elseLabel = new LabelNode("else");
        Block elseBlock = new Block(context)
                .visitLabel(elseLabel);

        if (checkForNulls) {
            elseBlock.getVariable(caseWasNull.getLocalVariableDefinition())
                    .putVariable("wasNull");
        }

        elseBlock.gotoLabel(noMatchLabel);

        FunctionBinding equalsFunction = bootstrapFunctionBinder.bindOperator(
                OperatorType.EQUAL,
                getSessionByteCode,
                ImmutableList.<ByteCodeNode>of(NOP, NOP),
                ImmutableList.of(type, type));

        ByteCodeNode elseNode = elseBlock;
        for (ByteCodeNode testNode : testValues) {
            LabelNode testLabel = new LabelNode("test");
            IfStatementBuilder test = ifStatementBuilder(context);

            Block condition = new Block(context)
                    .visitLabel(testLabel)
                    .dup(type.getJavaType())
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                arg("blockIndex", int.class),
                arg("blockPosition", int.class),
                arg("cursors", BlockCursor[].class));

        for (int index = 0; index < joinChannelFields.size(); index++) {
            LabelNode checkNextField = new LabelNode("checkNextField");
            hashPositionMethod
                    .getBody()
                    .pushThis()
                    .getField(joinChannelFields.get(index))
                    .getVariable("blockIndex")
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                arg("leftBlockPosition", int.class),
                arg("rightBlockIndex", int.class),
                arg("rightBlockPosition", int.class));

        for (FieldDefinition joinChannelField : joinChannelFields) {
            LabelNode checkNextField = new LabelNode("checkNextField");
            hashPositionMethod
                    .getBody()
                    .pushThis()
                    .getField(joinChannelField)
                    .getVariable("leftBlockIndex")
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                .putVariable(completedPositionsVariable, 0);

        //
        // for loop loop body
        //
        LabelNode done = new LabelNode("done");
        ForLoopBuilder forLoop = ForLoop.forLoopBuilder(compilerContext)
                .initialize(NOP)
                .condition(new Block(compilerContext)
                        .comment("completedPositions < 16384")
                        .getVariable(completedPositionsVariable)
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        filterMethod.getCompilerContext().declareVariable(type(boolean.class), "wasNull");
        Block getSessionByteCode = new Block(filterMethod.getCompilerContext()).pushThis().getField(classDefinition.getType(), "session", type(ConnectorSession.class));
        ByteCodeExpressionVisitor visitor = new ByteCodeExpressionVisitor(metadata, bootstrap.getFunctionBinder(), expressionTypes, getSessionByteCode, sourceIsCursor, timeZoneKey);
        ByteCodeNode body = visitor.process(filter, filterMethod.getCompilerContext());

        LabelNode end = new LabelNode("end");
        filterMethod
                .getBody()
                .comment("boolean wasNull = false;")
                .putVariable("wasNull", false)
                .append(body)
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                    .getVariable(rightBlockPosition);

            block.comment("invoke compareTo")
                    .invokeInterface(com.facebook.presto.spi.block.Block.class, "compareTo", int.class, SortOrder.class, int.class, com.facebook.presto.spi.block.Block.class, int.class);

            LabelNode equal = new LabelNode("equal");
            block.comment("if (compare != 0) return compare")
                    .dup()
                    .ifZeroGoto(equal)
                    .retInt()
                    .visitLabel(equal)
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                arg("blockIndex", int.class),
                arg("blockPosition", int.class),
                arg("cursors", BlockCursor[].class));

        for (int index = 0; index < joinChannelFields.size(); index++) {
            LabelNode checkNextField = new LabelNode("checkNextField");
            hashPositionMethod
                    .getBody()
                    .pushThis()
                    .getField(joinChannelFields.get(index))
                    .getVariable("blockIndex")
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                arg("leftBlockPosition", int.class),
                arg("rightBlockIndex", int.class),
                arg("rightBlockPosition", int.class));

        for (FieldDefinition joinChannelField : joinChannelFields) {
            LabelNode checkNextField = new LabelNode("checkNextField");
            hashPositionMethod
                    .getBody()
                    .pushThis()
                    .getField(joinChannelField)
                    .getVariable("leftBlockIndex")
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            ByteCodeExpression rightBlock = compilerContext
                    .getVariable("rightBlocks")
                    .getElement(index);

            LabelNode checkNextField = new LabelNode("checkNextField");
            hashPositionMethod
                    .getBody()
                    .append(typeEquals(compilerContext,
                            type,
                            leftBlock,
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Related Classes of com.facebook.presto.byteCode.instruction.LabelNode

  • com.facebook.presto.byteCode.control.TryCatch
  • com.facebook.presto.byteCode.expression.AndByteCodeExpression
  • com.facebook.presto.byteCode.expression.ComparisonByteCodeExpression
  • com.facebook.presto.byteCode.expression.InlineIfByteCodeExpression
  • com.facebook.presto.byteCode.expression.NotByteCodeExpression
  • com.facebook.presto.byteCode.expression.OrByteCodeExpression
  • com.facebook.presto.sql.gen.AndCodeGenerator
  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
  • com.facebook.presto.sql.gen.ByteCodeUtils
  • com.facebook.presto.sql.gen.CursorProcessorCompiler
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