| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.sysds.runtime.instructions.cp; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.apache.sysds.api.DMLScript; |
| import org.apache.sysds.common.Types.ValueType; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.lineage.LineageItem; |
| import org.apache.sysds.runtime.lineage.LineageTraceable; |
| import org.apache.sysds.runtime.matrix.operators.Operator; |
| |
| /** |
| * The ScalarBuiltinMultipleCPInstruction class is responsible for printf-style |
| * Java-based string formatting. The first input is the format string. The |
| * inputs after the first input are the arguments to be formatted in the format |
| * string. |
| * |
| */ |
| public class ScalarBuiltinNaryCPInstruction extends BuiltinNaryCPInstruction implements LineageTraceable { |
| |
| protected ScalarBuiltinNaryCPInstruction(Operator op, String opcode, String istr, CPOperand output, CPOperand[] inputs) { |
| super(op, opcode, istr, output, inputs); |
| } |
| |
| @Override |
| public void processInstruction(ExecutionContext ec) { |
| if( "printf".equals(getOpcode()) ) { |
| List<ScalarObject> scalarObjects = new ArrayList<>(); |
| for (CPOperand input : inputs) { |
| ScalarObject so = ec.getScalarInput(input); |
| scalarObjects.add(so); |
| } |
| |
| // determine the format string (first argument) to pass to String.format |
| ScalarObject formatStringObject = scalarObjects.get(0); |
| if (formatStringObject.getValueType() != ValueType.STRING) { |
| throw new DMLRuntimeException("First parameter needs to be a string"); |
| } |
| String formatString = formatStringObject.getStringValue(); |
| |
| // determine the arguments after the format string to pass to String.format |
| Object[] objects = null; |
| if (scalarObjects.size() > 1) { |
| objects = new Object[scalarObjects.size() - 1]; |
| for (int i = 1; i < scalarObjects.size(); i++) { |
| ScalarObject scalarObject = scalarObjects.get(i); |
| switch (scalarObject.getValueType()) { |
| case INT64: |
| objects[i - 1] = scalarObject.getLongValue(); |
| break; |
| case FP64: |
| objects[i - 1] = scalarObject.getDoubleValue(); |
| break; |
| case BOOLEAN: |
| objects[i - 1] = scalarObject.getBooleanValue(); |
| break; |
| case STRING: |
| objects[i - 1] = scalarObject.getStringValue(); |
| break; |
| default: |
| } |
| } |
| } |
| |
| String result = String.format(formatString, objects); |
| if (!DMLScript.suppressPrint2Stdout()) { |
| System.out.println(result); |
| } |
| |
| ec.setScalarOutput(output.getName(), new StringObject(result)); |
| } |
| else if( "list".equals(getOpcode()) ) { |
| //obtain all input data objects, incl handling of literals |
| List<Data> data = (inputs== null) ? new ArrayList<>() : |
| Arrays.stream(inputs).map(in -> ec.getVariable(in)).collect(Collectors.toList()); |
| |
| //create list object over all inputs |
| ListObject list = new ListObject(data); |
| list.deriveAndSetStatusFromData(); |
| |
| ec.setVariable(output.getName(), list); |
| } |
| else { |
| throw new DMLRuntimeException("Opcode (" + getOpcode() |
| + ") not recognized in ScalarBuiltinMultipleCPInstruction"); |
| } |
| } |
| |
| @Override |
| public Pair<String, LineageItem> getLineageItem(ExecutionContext ec) { |
| return Pair.of(output.getName(), new LineageItem(instString, getOpcode())); |
| } |
| } |