| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package org.graalvm.compiler.code; |
| |
| import static jdk.vm.ci.meta.MetaUtil.identityHashCodeString; |
| |
| import org.graalvm.compiler.graph.NodeSourcePosition; |
| |
| /** |
| * This provides a mapping between a half-open range of PCs in the generated code and a |
| * {@link NodeSourcePosition} in the original program. Depending on the backend this information may |
| * be represented in different ways or not at all. |
| */ |
| public final class SourceMapping { |
| |
| private final int startOffset; |
| |
| private final int endOffset; |
| |
| private final NodeSourcePosition sourcePosition; |
| |
| public SourceMapping(int startOffset, int endOffset, NodeSourcePosition sourcePosition) { |
| this.startOffset = startOffset; |
| this.endOffset = endOffset; |
| this.sourcePosition = sourcePosition; |
| } |
| |
| public int getStartOffset() { |
| return startOffset; |
| } |
| |
| public int getEndOffset() { |
| return endOffset; |
| } |
| |
| public NodeSourcePosition getSourcePosition() { |
| return sourcePosition; |
| } |
| |
| @Override |
| public String toString() { |
| return identityHashCodeString(this); |
| } |
| |
| @Override |
| public int hashCode() { |
| throw new UnsupportedOperationException("hashCode"); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof SourceMapping) { |
| SourceMapping other = (SourceMapping) obj; |
| return other.startOffset == startOffset && other.endOffset == endOffset && other.sourcePosition.equals(sourcePosition); |
| } |
| return false; |
| } |
| |
| public boolean contains(int offset) { |
| return startOffset <= offset && offset < endOffset; |
| } |
| |
| } |