1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.nodes.debug; 24 25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_IGNORED; 26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_IGNORED; 27 28 import org.graalvm.compiler.core.common.LocationIdentity; 29 import org.graalvm.compiler.core.common.type.Stamp; 30 import org.graalvm.compiler.graph.NodeClass; 31 import org.graalvm.compiler.nodeinfo.InputType; 32 import org.graalvm.compiler.nodeinfo.NodeInfo; 33 import org.graalvm.compiler.nodes.FixedWithNextNode; 34 import org.graalvm.compiler.nodes.NamedLocationIdentity; 35 import org.graalvm.compiler.nodes.memory.MemoryCheckpoint; 36 import org.graalvm.compiler.nodes.spi.Lowerable; 37 import org.graalvm.compiler.nodes.spi.LoweringTool; 38 39 import jdk.vm.ci.meta.JavaKind; 40 41 /** 42 * The {@code StringToBytesNode} transforms a compilation-time String into a byte array in the 43 * compiled code. 44 */ 45 @NodeInfo(allowedUsageTypes = InputType.Memory, cycles = CYCLES_IGNORED, size = SIZE_IGNORED) 46 public final class StringToBytesNode extends FixedWithNextNode implements Lowerable, MemoryCheckpoint.Single { 47 48 public static final NodeClass<StringToBytesNode> TYPE = NodeClass.create(StringToBytesNode.class); 49 50 private final String value; 51 52 public StringToBytesNode(String value, Stamp stamp) { 53 super(TYPE, stamp); 54 this.value = value; 55 } 56 57 public String getValue() { 58 return value; 59 } 60 61 @Override 62 public void lower(LoweringTool tool) { 63 tool.getLowerer().lower(this, tool); 64 } 65 66 @Override 67 public LocationIdentity getLocationIdentity() { 68 return NamedLocationIdentity.getArrayLocation(JavaKind.Byte); 69 } 70 }