Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.Variable$SetVariableByteCodeExpression

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            LabelNode matchLabel,
            LabelNode noMatchLabel,
            Collection<ByteCodeNode> testValues,
            boolean checkForNulls)
    {
        Variable caseWasNull = null;
        if (checkForNulls) {
            caseWasNull = context.createTempVariable(boolean.class);
        }

        Block caseBlock = new Block(context)
                .visitLabel(caseLabel);

        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 = generatorContext.getBootstrapBinder().bindOperator(
                OperatorType.EQUAL,
                generatorContext.generateGetSession(),
                ImmutableList.<ByteCodeNode>of(NOP, NOP),
                ImmutableList.of(type, type));

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

            Block condition = new Block(context)
                    .visitLabel(testLabel)
                    .dup(type.getJavaType())
                    .append(testNode);

            if (checkForNulls) {
                condition.getVariable("wasNull")
                        .putVariable(caseWasNull.getLocalVariableDefinition())
                        .append(ifWasNullPopAndGoto(context, elseLabel, void.class, type.getJavaType(), type.getJavaType()));
            }
            condition.invokeDynamic(equalsFunction.getName(), equalsFunction.getCallSite().type(), equalsFunction.getBindingId());
            test.condition(condition);
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        // determine the type of the value and result
        Class<?> valueType = value.getType().getJavaType();

        // evaluate the value and store it in a variable
        LabelNode nullValue = new LabelNode("nullCondition");
        Variable tempVariable = context.createTempVariable(valueType);
        Block block = new Block(context)
                .append(valueBytecode)
                .append(ByteCodeUtils.ifWasNullClearPopAndGoto(context, nullValue, void.class, valueType))
                .putVariable(tempVariable.getLocalVariableDefinition());

        ByteCodeNode getTempVariableNode = VariableInstruction.loadVariable(tempVariable.getLocalVariableDefinition());

        // build the statements
        elseValue = new Block(context).visitLabel(nullValue).append(elseValue);
        // reverse list because current if statement builder doesn't support if/else so we need to build the if statements bottom up
        for (RowExpression clause : Lists.reverse(whenClauses)) {
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        // determine the type of the value and result
        Class<?> valueType = expressionTypes.get(node.getOperand()).getJavaType();

        // evaluate the value and store it in a variable
        LabelNode nullValue = new LabelNode("nullCondition");
        Variable tempVariable = context.createTempVariable(valueType);
        Block block = new Block(context)
                .append(value)
                .append(ifWasNullClearPopAndGoto(context, nullValue, void.class, valueType))
                .putVariable(tempVariable.getLocalVariableDefinition());

        ByteCodeNode getTempVariableNode = VariableInstruction.loadVariable(tempVariable.getLocalVariableDefinition());

        // build the statements
        elseValue = new Block(context).visitLabel(nullValue).append(elseValue);
        // reverse list because current if statement builder doesn't support if/else so we need to build the if statements bottom up
        for (TypedWhenClause whenClause : Lists.reverse(new ArrayList<>(whenClauses))) {
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            LabelNode matchLabel,
            LabelNode noMatchLabel,
            Collection<ByteCodeNode> testValues,
            boolean checkForNulls)
    {
        Variable caseWasNull = null;
        if (checkForNulls) {
            caseWasNull = context.createTempVariable(boolean.class);
        }

        Block caseBlock = new Block(context)
                .visitLabel(caseLabel);

        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())
                    .append(testNode);

            if (checkForNulls) {
                condition.getVariable("wasNull")
                        .putVariable(caseWasNull.getLocalVariableDefinition())
                        .append(ifWasNullPopAndGoto(context, elseLabel, void.class, type.getJavaType(), type.getJavaType()));
            }
            condition.invokeDynamic(equalsFunction.getName(), equalsFunction.getCallSite().type(), equalsFunction.getBindingId());
            test.condition(condition);
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        // determine the type of the value and result
        Class<?> valueType = expressionTypes.get(node.getOperand()).getJavaType();

        // evaluate the value and store it in a variable
        LabelNode nullValue = new LabelNode("nullCondition");
        Variable tempVariable = context.createTempVariable(valueType);
        Block block = new Block(context)
                .append(value)
                .append(ifWasNullClearPopAndGoto(context, nullValue, void.class, valueType))
                .putVariable(tempVariable.getLocalVariableDefinition());

        ByteCodeNode getTempVariableNode = VariableInstruction.loadVariable(tempVariable.getLocalVariableDefinition());

        // build the statements
        elseValue = new Block(context).visitLabel(nullValue).append(elseValue);
        // reverse list because current if statement builder doesn't support if/else so we need to build the if statements bottom up
        for (TypedWhenClause whenClause : Lists.reverse(new ArrayList<>(whenClauses))) {
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            LabelNode matchLabel,
            LabelNode noMatchLabel,
            Collection<ByteCodeNode> testValues,
            boolean checkForNulls)
    {
        Variable caseWasNull = null;
        if (checkForNulls) {
            caseWasNull = context.createTempVariable(boolean.class);
        }

        Block caseBlock = new Block(context)
                .visitLabel(caseLabel);

        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())
                    .append(testNode);

            if (checkForNulls) {
                condition.getVariable("wasNull")
                        .putVariable(caseWasNull.getLocalVariableDefinition())
                        .append(ifWasNullPopAndGoto(context, elseLabel, void.class, type.getJavaType(), type.getJavaType()));
            }
            condition.invokeDynamic(equalsFunction.getName(), equalsFunction.getCallSite().type(), equalsFunction.getBindingId());
            test.condition(condition);
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                "hashPosition",
                type(int.class),
                arg("blockIndex", int.class),
                arg("blockPosition", int.class));

        Variable resultVariable = hashPositionMethod.getCompilerContext().declareVariable(int.class, "result");
        hashPositionMethod.getBody().push(0).putVariable(resultVariable);

        for (int index = 0; index < joinChannelTypes.size(); index++) {
            ByteCodeExpression type = constantType(compilerContext, callSiteBinder, joinChannelTypes.get(index));
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                "hashRow",
                type(int.class),
                arg("position", int.class),
                arg("blocks", com.facebook.presto.spi.block.Block[].class));

        Variable resultVariable = hashPositionMethod.getCompilerContext().declareVariable(int.class, "result");
        hashPositionMethod.getBody().push(0).putVariable(resultVariable);

        for (int index = 0; index < joinChannelTypes.size(); index++) {
            ByteCodeExpression type = constantType(compilerContext, callSiteBinder, joinChannelTypes.get(index));
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                arg("rightBlockPosition", int.class));

        for (int index = 0; index < joinChannelTypes.size(); index++) {
            ByteCodeExpression type = constantType(compilerContext, callSiteBinder, joinChannelTypes.get(index));

            Variable blockIndex = compilerContext.getVariable("leftBlockIndex");
            ByteCodeExpression leftBlock = compilerContext
                    .getVariable("this")
                    .getField(joinChannelFields.get(index))
                    .invoke("get", Object.class, blockIndex)
                    .cast(com.facebook.presto.spi.block.Block.class);
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        List<Variable> parameterVariables = new ArrayList<>();
        for (int i = 0; i < countInputChannels(parameterMetadatas); i++) {
            parameterVariables.add(context.declareVariable(com.facebook.presto.spi.block.Block.class, "block" + i));
        }
        Variable masksBlock = context.declareVariable(com.facebook.presto.spi.block.Block.class, "masksBlock");
        Variable sampleWeightsBlock = context.declareVariable(com.facebook.presto.spi.block.Block.class, "sampleWeightsBlock");

        body.comment("masksBlock = maskChannel.transform(page.blockGetter()).orNull();")
                .pushThis()
                .getField(maskChannelField)
                .getVariable("page")
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Related Classes of com.facebook.presto.byteCode.Variable$SetVariableByteCodeExpression

  • com.facebook.presto.byteCode.expression.TestSetFieldByteCodeExpression
  • com.facebook.presto.byteCode.expression.TestSetVariableByteCodeExpression
  • com.facebook.presto.byteCode.instruction.VariableInstruction
  • com.facebook.presto.operator.aggregation.AccumulatorCompiler
  • com.facebook.presto.operator.aggregation.state.StateCompiler
  • com.facebook.presto.operator.scalar.ArrayConstructor
  • com.facebook.presto.operator.scalar.MapConstructor
  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
  • com.facebook.presto.sql.gen.ByteCodeUtils
  • com.facebook.presto.sql.gen.CursorProcessorCompiler
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