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Example 1 with Variable

use of io.airlift.bytecode.Variable in project hetu-core by openlookeng.

the class ConcatFunction method generateConcat.

private static Class<?> generateConcat(TypeSignature type, int arity) {
    checkCondition(arity <= 254, NOT_SUPPORTED, "Too many arguments for string concatenation");
    ClassDefinition definition = new ClassDefinition(a(PUBLIC, FINAL), makeClassName(type.getBase() + "_concat" + arity + "ScalarFunction"), type(Object.class));
    // Generate constructor
    definition.declareDefaultConstructor(a(PRIVATE));
    // Generate concat()
    List<Parameter> parameters = IntStream.range(0, arity).mapToObj(i -> arg("arg" + i, Slice.class)).collect(toImmutableList());
    MethodDefinition method = definition.declareMethod(a(PUBLIC, STATIC), "concat", type(Slice.class), parameters);
    Scope scope = method.getScope();
    BytecodeBlock body = method.getBody();
    Variable length = scope.declareVariable(int.class, "length");
    body.append(length.set(constantInt(0)));
    for (int i = 0; i < arity; ++i) {
        body.append(length.set(generateCheckedAdd(length, parameters.get(i).invoke("length", int.class))));
    }
    Variable result = scope.declareVariable(Slice.class, "result");
    body.append(result.set(invokeStatic(Slices.class, "allocate", Slice.class, length)));
    Variable position = scope.declareVariable(int.class, "position");
    body.append(position.set(constantInt(0)));
    for (int i = 0; i < arity; ++i) {
        body.append(result.invoke("setBytes", void.class, position, parameters.get(i)));
        body.append(position.set(add(position, parameters.get(i).invoke("length", int.class))));
    }
    body.getVariable(result).retObject();
    return defineClass(definition, Object.class, ImmutableMap.of(), new DynamicClassLoader(ConcatFunction.class.getClassLoader()));
}
Also used : BytecodeBlock(io.airlift.bytecode.BytecodeBlock) INVALID_FUNCTION_ARGUMENT(io.prestosql.spi.StandardErrorCode.INVALID_FUNCTION_ARGUMENT) Scope(io.airlift.bytecode.Scope) DynamicClassLoader(io.airlift.bytecode.DynamicClassLoader) BoundVariables(io.prestosql.metadata.BoundVariables) DEFAULT_NAMESPACE(io.prestosql.spi.connector.CatalogSchemaName.DEFAULT_NAMESPACE) CompilerUtils.makeClassName(io.prestosql.util.CompilerUtils.makeClassName) Access.a(io.airlift.bytecode.Access.a) UsedByGeneratedCode(io.prestosql.spi.annotation.UsedByGeneratedCode) Parameter.arg(io.airlift.bytecode.Parameter.arg) BytecodeExpressions.add(io.airlift.bytecode.expression.BytecodeExpressions.add) Slices(io.airlift.slice.Slices) MethodDefinition(io.airlift.bytecode.MethodDefinition) PrestoException(io.prestosql.spi.PrestoException) ImmutableMap(com.google.common.collect.ImmutableMap) SqlScalarFunction(io.prestosql.metadata.SqlScalarFunction) Collections.nCopies(java.util.Collections.nCopies) ImmutableList.toImmutableList(com.google.common.collect.ImmutableList.toImmutableList) Reflection.methodHandle(io.prestosql.spi.util.Reflection.methodHandle) BytecodeExpression(io.airlift.bytecode.expression.BytecodeExpression) List(java.util.List) PRIVATE(io.airlift.bytecode.Access.PRIVATE) VarcharType.createUnboundedVarcharType(io.prestosql.spi.type.VarcharType.createUnboundedVarcharType) ArgumentProperty.valueTypeArgumentProperty(io.prestosql.spi.function.BuiltInScalarFunctionImplementation.ArgumentProperty.valueTypeArgumentProperty) NOT_SUPPORTED(io.prestosql.spi.StandardErrorCode.NOT_SUPPORTED) TypeSignature(io.prestosql.spi.type.TypeSignature) FunctionAndTypeManager(io.prestosql.metadata.FunctionAndTypeManager) ClassDefinition(io.airlift.bytecode.ClassDefinition) IntStream(java.util.stream.IntStream) ParameterizedType.type(io.airlift.bytecode.ParameterizedType.type) Variable(io.airlift.bytecode.Variable) BuiltInScalarFunctionImplementation(io.prestosql.spi.function.BuiltInScalarFunctionImplementation) MethodHandle(java.lang.invoke.MethodHandle) Slice(io.airlift.slice.Slice) FunctionKind(io.prestosql.spi.function.FunctionKind) BytecodeExpressions.constantInt(io.airlift.bytecode.expression.BytecodeExpressions.constantInt) Parameter(io.airlift.bytecode.Parameter) QualifiedObjectName(io.prestosql.spi.connector.QualifiedObjectName) ImmutableList(com.google.common.collect.ImmutableList) Failures.checkCondition(io.prestosql.util.Failures.checkCondition) CompilerUtils.defineClass(io.prestosql.util.CompilerUtils.defineClass) RETURN_NULL_ON_NULL(io.prestosql.spi.function.BuiltInScalarFunctionImplementation.NullConvention.RETURN_NULL_ON_NULL) Signature(io.prestosql.spi.function.Signature) FINAL(io.airlift.bytecode.Access.FINAL) STATIC(io.airlift.bytecode.Access.STATIC) BytecodeExpressions.invokeStatic(io.airlift.bytecode.expression.BytecodeExpressions.invokeStatic) VARBINARY(io.prestosql.spi.type.VarbinaryType.VARBINARY) Math.addExact(java.lang.Math.addExact) PUBLIC(io.airlift.bytecode.Access.PUBLIC) DynamicClassLoader(io.airlift.bytecode.DynamicClassLoader) Variable(io.airlift.bytecode.Variable) Scope(io.airlift.bytecode.Scope) MethodDefinition(io.airlift.bytecode.MethodDefinition) Slice(io.airlift.slice.Slice) BytecodeBlock(io.airlift.bytecode.BytecodeBlock) Parameter(io.airlift.bytecode.Parameter) ClassDefinition(io.airlift.bytecode.ClassDefinition)

Example 2 with Variable

use of io.airlift.bytecode.Variable in project hetu-core by openlookeng.

the class ArrayToArrayCast method generateArrayCast.

private static Class<?> generateArrayCast(TypeManager typeManager, FunctionMetadata elementCastFunctionMetadata, BuiltInScalarFunctionImplementation elementCast) {
    CallSiteBinder binder = new CallSiteBinder();
    ClassDefinition definition = new ClassDefinition(a(PUBLIC, FINAL), makeClassName(Joiner.on("$").join("ArrayCast", elementCastFunctionMetadata.getArgumentTypes().get(0), elementCastFunctionMetadata.getReturnType())), type(Object.class));
    Parameter session = arg("session", ConnectorSession.class);
    Parameter value = arg("value", Block.class);
    MethodDefinition method = definition.declareMethod(a(PUBLIC, STATIC), "castArray", type(Block.class), session, value);
    Scope scope = method.getScope();
    BytecodeBlock body = method.getBody();
    Variable wasNull = scope.declareVariable(boolean.class, "wasNull");
    body.append(wasNull.set(constantBoolean(false)));
    // cast map elements
    Type fromElementType = typeManager.getType(elementCastFunctionMetadata.getArgumentTypes().get(0));
    Type toElementType = typeManager.getType(elementCastFunctionMetadata.getReturnType());
    CachedInstanceBinder cachedInstanceBinder = new CachedInstanceBinder(definition, binder);
    ArrayMapBytecodeExpression newArray = ArrayGeneratorUtils.map(scope, cachedInstanceBinder, fromElementType, toElementType, value, elementCastFunctionMetadata.getName().getObjectName(), elementCast);
    // return the block
    body.append(newArray.ret());
    MethodDefinition constructorDefinition = definition.declareConstructor(a(PUBLIC));
    BytecodeBlock constructorBody = constructorDefinition.getBody();
    Variable thisVariable = constructorDefinition.getThis();
    constructorBody.comment("super();").append(thisVariable).invokeConstructor(Object.class);
    cachedInstanceBinder.generateInitializations(thisVariable, constructorBody);
    constructorBody.ret();
    return defineClass(definition, Object.class, binder.getBindings(), ArrayToArrayCast.class.getClassLoader());
}
Also used : ArrayMapBytecodeExpression(io.prestosql.sql.gen.ArrayMapBytecodeExpression) Variable(io.airlift.bytecode.Variable) Signature.typeVariable(io.prestosql.spi.function.Signature.typeVariable) BytecodeBlock(io.airlift.bytecode.BytecodeBlock) ClassDefinition(io.airlift.bytecode.ClassDefinition) Type(io.prestosql.spi.type.Type) CastType(io.prestosql.metadata.CastType) CachedInstanceBinder(io.prestosql.sql.gen.CachedInstanceBinder) Scope(io.airlift.bytecode.Scope) MethodDefinition(io.airlift.bytecode.MethodDefinition) CallSiteBinder(io.prestosql.sql.gen.CallSiteBinder) Parameter(io.airlift.bytecode.Parameter) BytecodeBlock(io.airlift.bytecode.BytecodeBlock) Block(io.prestosql.spi.block.Block)

Example 3 with Variable

use of io.airlift.bytecode.Variable in project hetu-core by openlookeng.

the class AccumulatorCompiler method generateGetEstimatedSize.

private static void generateGetEstimatedSize(ClassDefinition definition, List<FieldDefinition> stateFields) {
    MethodDefinition method = definition.declareMethod(a(PUBLIC), "getEstimatedSize", type(long.class));
    Variable estimatedSize = method.getScope().declareVariable(long.class, "estimatedSize");
    method.getBody().append(estimatedSize.set(constantLong(0L)));
    for (FieldDefinition stateField : stateFields) {
        method.getBody().append(estimatedSize.set(BytecodeExpressions.add(estimatedSize, method.getThis().getField(stateField).invoke("getEstimatedSize", long.class))));
    }
    method.getBody().append(estimatedSize.ret());
}
Also used : Variable(io.airlift.bytecode.Variable) MethodDefinition(io.airlift.bytecode.MethodDefinition) FieldDefinition(io.airlift.bytecode.FieldDefinition)

Example 4 with Variable

use of io.airlift.bytecode.Variable in project hetu-core by openlookeng.

the class AccumulatorCompiler method generateInputForLoop.

private static BytecodeBlock generateInputForLoop(List<FieldDefinition> stateField, List<ParameterMetadata> parameterMetadatas, MethodHandle inputFunction, Scope scope, List<Variable> parameterVariables, List<Class<?>> lambdaInterfaces, List<FieldDefinition> lambdaProviderFields, Variable masksBlock, CallSiteBinder callSiteBinder, boolean grouped) {
    // For-loop over rows
    Variable page = scope.getVariable("page");
    Variable positionVariable = scope.declareVariable(int.class, "position");
    Variable rowsVariable = scope.declareVariable(int.class, "rows");
    BytecodeBlock block = new BytecodeBlock().append(page).invokeVirtual(Page.class, "getPositionCount", int.class).putVariable(rowsVariable).initializeVariable(positionVariable);
    BytecodeNode loopBody = generateInvokeInputFunction(scope, stateField, positionVariable, parameterVariables, parameterMetadatas, lambdaInterfaces, lambdaProviderFields, inputFunction, callSiteBinder, grouped);
    // Wrap with null checks
    List<Boolean> nullable = new ArrayList<>();
    for (ParameterMetadata metadata : parameterMetadatas) {
        switch(metadata.getParameterType()) {
            case INPUT_CHANNEL:
            case BLOCK_INPUT_CHANNEL:
                nullable.add(false);
                break;
            case NULLABLE_BLOCK_INPUT_CHANNEL:
                nullable.add(true);
                break;
            // do nothing
            default:
        }
    }
    checkState(nullable.size() == parameterVariables.size(), "Number of parameters does not match");
    for (int i = 0; i < parameterVariables.size(); i++) {
        if (!nullable.get(i)) {
            Variable variableDefinition = parameterVariables.get(i);
            loopBody = new IfStatement("if(!%s.isNull(position))", variableDefinition.getName()).condition(new BytecodeBlock().getVariable(variableDefinition).getVariable(positionVariable).invokeInterface(Block.class, "isNull", boolean.class, int.class)).ifFalse(loopBody);
        }
    }
    loopBody = new IfStatement("if(testMask(%s, position))", masksBlock.getName()).condition(new BytecodeBlock().getVariable(masksBlock).getVariable(positionVariable).invokeStatic(CompilerOperations.class, "testMask", boolean.class, Block.class, int.class)).ifTrue(loopBody);
    block.append(new ForLoop().initialize(new BytecodeBlock().putVariable(positionVariable, 0)).condition(new BytecodeBlock().getVariable(positionVariable).getVariable(rowsVariable).invokeStatic(CompilerOperations.class, "lessThan", boolean.class, int.class, int.class)).update(new BytecodeBlock().incrementVariable(positionVariable, (byte) 1)).body(loopBody));
    return block;
}
Also used : IfStatement(io.airlift.bytecode.control.IfStatement) Variable(io.airlift.bytecode.Variable) ForLoop(io.airlift.bytecode.control.ForLoop) CompilerOperations(io.prestosql.sql.gen.CompilerOperations) BytecodeBlock(io.airlift.bytecode.BytecodeBlock) ArrayList(java.util.ArrayList) BytecodeBlock(io.airlift.bytecode.BytecodeBlock) GroupByIdBlock(io.prestosql.operator.GroupByIdBlock) Block(io.prestosql.spi.block.Block) BytecodeNode(io.airlift.bytecode.BytecodeNode) ParameterMetadata(io.prestosql.operator.aggregation.AggregationMetadata.ParameterMetadata)

Example 5 with Variable

use of io.airlift.bytecode.Variable in project hetu-core by openlookeng.

the class AccumulatorCompiler method generateEnsureCapacity.

private static void generateEnsureCapacity(Scope scope, List<FieldDefinition> stateFields, BytecodeBlock block) {
    Variable groupIdsBlock = scope.getVariable("groupIdsBlock");
    for (FieldDefinition stateField : stateFields) {
        BytecodeExpression state = scope.getThis().getField(stateField);
        block.append(state.invoke("ensureCapacity", void.class, groupIdsBlock.invoke("getGroupCount", long.class)));
    }
}
Also used : Variable(io.airlift.bytecode.Variable) FieldDefinition(io.airlift.bytecode.FieldDefinition) BytecodeExpression(io.airlift.bytecode.expression.BytecodeExpression)

Aggregations

Variable (io.airlift.bytecode.Variable)148 BytecodeBlock (io.airlift.bytecode.BytecodeBlock)114 MethodDefinition (io.airlift.bytecode.MethodDefinition)102 Parameter (io.airlift.bytecode.Parameter)86 IfStatement (io.airlift.bytecode.control.IfStatement)70 Scope (io.airlift.bytecode.Scope)63 BytecodeExpression (io.airlift.bytecode.expression.BytecodeExpression)50 BytecodeNode (io.airlift.bytecode.BytecodeNode)39 LabelNode (io.airlift.bytecode.instruction.LabelNode)32 ClassDefinition (io.airlift.bytecode.ClassDefinition)30 FieldDefinition (io.airlift.bytecode.FieldDefinition)26 ImmutableList (com.google.common.collect.ImmutableList)24 ForLoop (io.airlift.bytecode.control.ForLoop)21 ArrayList (java.util.ArrayList)21 Type (io.trino.spi.type.Type)16 ImmutableList.toImmutableList (com.google.common.collect.ImmutableList.toImmutableList)15 Block (io.prestosql.spi.block.Block)15 Type (io.prestosql.spi.type.Type)14 List (java.util.List)14 Block (io.trino.spi.block.Block)13