Examples of ByteCodeNode

Examples of com.facebook.presto.byteCode.ByteCodeNode

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        implements ByteCodeGenerator
{
    @Override
    public ByteCodeNode generateExpression(Signature signature, ByteCodeGeneratorContext generatorContext, Type returnType, List<RowExpression> arguments)
    {
        ByteCodeNode castByteCode = new CastCodeGenerator().generateExpression(signature, generatorContext, returnType, arguments);

        CompilerContext context = generatorContext.getContext();
        Block catchBlock = new Block(context)
                .comment("propagate InterruptedException")
                .invokeStatic(CompilerOperations.class, "propagateInterruptedException", void.class, Throwable.class)
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Examples of com.facebook.presto.byteCode.ByteCodeNode

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                OperatorType.EQUAL,
                generator.generateGetSession(),
                ImmutableList.<ByteCodeNode>of(NOP, NOP),
                ImmutableList.of(leftType, rightType));

        ByteCodeNode equalsCall = new Block(context).comment("equals(%s, %s)", leftType, rightType)
                .invokeDynamic(functionBinding.getName(), functionBinding.getCallSite().type(), functionBinding.getBindingId());

        Block block = new Block(context)
                .comment("IS DISTINCT FROM")
                .comment("left")
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Examples of com.facebook.presto.byteCode.ByteCodeNode

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        for (RowExpression expression : arguments) {
            operands.add(generatorContext.generate(expression));
        }

        CompilerContext context = generatorContext.getContext();
        ByteCodeNode nullValue = new Block(context)
                .putVariable("wasNull", true)
                .pushJavaDefault(returnType.getJavaType());

        // reverse list because current if statement builder doesn't support if/else so we need to build the if statements bottom up
        for (ByteCodeNode operand : Lists.reverse(operands)) {
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Examples of com.facebook.presto.byteCode.ByteCodeNode

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        implements ByteCodeGenerator
{
    @Override
    public ByteCodeNode generateExpression(Signature signature, ByteCodeGeneratorContext generatorContext, Type returnType, List<RowExpression> arguments)
    {
        ByteCodeNode value = generatorContext.generate(arguments.get(0));

        List<RowExpression> values = arguments.subList(1, arguments.size());

        ImmutableList.Builder<ByteCodeNode> valuesByteCode = ImmutableList.builder();
        for (int i = 1; i < arguments.size(); i++) {
            ByteCodeNode testNode = generatorContext.generate(arguments.get(i));
            valuesByteCode.add(testNode);
        }

        Type type = arguments.get(0).getType();
        Class<?> javaType = type.getJavaType();

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

        ImmutableListMultimap.Builder<Integer, ByteCodeNode> hashBucketsBuilder = ImmutableListMultimap.builder();
        ImmutableList.Builder<ByteCodeNode> defaultBucket = ImmutableList.builder();
        ImmutableSet.Builder<Object> constantValuesBuilder = ImmutableSet.builder();

        for (RowExpression testValue : values) {
            ByteCodeNode testByteCode = generatorContext.generate(testValue);

            if (testValue instanceof ConstantExpression && ((ConstantExpression) testValue).getValue() != null) {
                ConstantExpression constant = (ConstantExpression) testValue;
                Object object = constant.getValue();
                constantValuesBuilder.add(object);

                try {
                    int hashCode = (int) hashCodeFunction.getCallSite().dynamicInvoker().invoke(object);
                    hashBucketsBuilder.put(hashCode, testByteCode);
                }
                catch (Throwable throwable) {
                    throw new IllegalArgumentException("Error processing IN statement: error calculating hash code for " + object, throwable);
                }
            }
            else {
                defaultBucket.add(testByteCode);
            }
        }
        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");

        CompilerContext context = generatorContext.getContext();

        ByteCodeNode switchBlock;
        if (constantValues.size() < 1000) {
            Block switchCaseBlocks = new Block(context);
            LookupSwitch.LookupSwitchBuilder switchBuilder = lookupSwitchBuilder();
            for (Map.Entry<Integer, Collection<ByteCodeNode>> bucket : hashBuckets.asMap().entrySet()) {
                LabelNode label = new LabelNode("inHash" + bucket.getKey());
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Examples of com.facebook.presto.byteCode.ByteCodeNode

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                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)
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Examples of com.facebook.presto.byteCode.ByteCodeNode

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        filterMethod.comment("Filter: %s", filter.toString());

        filterMethod.getCompilerContext().declareVariable(type(boolean.class), "wasNull");
        Block getSessionByteCode = new Block(filterMethod.getCompilerContext()).pushThis().getField(classDefinition.getType(), "session", type(ConnectorSession.class));
        ByteCodeNode body = compileExpression(bootstrap, filter, expressionTypes, sourceIsCursor, timeZoneKey, filterMethod.getCompilerContext(), getSessionByteCode);

        LabelNode end = new LabelNode("end");
        filterMethod
                .getBody()
                .comment("boolean wasNull = false;")
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Examples of com.facebook.presto.byteCode.ByteCodeNode

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        // generate body code
        CompilerContext context = projectionMethod.getCompilerContext();
        context.declareVariable(type(boolean.class), "wasNull");
        Block getSessionByteCode = new Block(context).pushThis().getField(classDefinition.getType(), "session", type(ConnectorSession.class));

        ByteCodeNode body = compileExpression(bootstrap, projection, expressionTypes, sourceIsCursor, timeZoneKey, context, getSessionByteCode);

        projectionMethod
                .getBody()
                .comment("boolean wasNull = false;")
                .putVariable("wasNull", false)
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Examples of com.facebook.presto.byteCode.ByteCodeNode

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        }

        @Override
        public FunctionBinding bindFunction(long bindingId, String name, ByteCodeNode getSessionByteCode, List<ByteCodeNode> arguments)
        {
            ByteCodeNode patternNode = arguments.get(1);

            MethodHandle methodHandle;
            if (patternNode instanceof Constant) {
                Slice patternSlice = (Slice) ((Constant) patternNode).getValue();
                String pattern = patternSlice.toString(Charsets.UTF_8);
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Examples of com.facebook.presto.byteCode.ByteCodeNode

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        CompilerContext context = generatorContext.getContext();

        // process value, else, and all when clauses
        RowExpression value = arguments.get(0);
        ByteCodeNode valueBytecode = generatorContext.generate(value);
        ByteCodeNode elseValue;

        List<RowExpression> whenClauses;
        RowExpression last = arguments.get(arguments.size() - 1);
        if (last instanceof CallExpression && ((CallExpression) last).getSignature().getName().equals("WHEN")) {
            whenClauses = arguments.subList(1, arguments.size());
            elseValue = new Block(context)
                    .putVariable("wasNull", true)
                    .pushJavaDefault(returnType.getJavaType());
        }
        else {
            whenClauses = arguments.subList(1, arguments.size() - 1);
            elseValue = generatorContext.generate(last);
        }

        // 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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Examples of com.facebook.presto.byteCode.ByteCodeNode

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        Type type = metadata.getType(node.getType());
        if (type == null) {
            throw new IllegalArgumentException("Unsupported type: " + node.getType());
        }

        ByteCodeNode value = sliceConstant(node.getValue());
        FunctionBinding functionBinding = bootstrapFunctionBinder.bindCastOperator(
                getSessionByteCode,
                value,
                VARCHAR,
                type);
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