Mercurial > hg > Members > kono > jpf-core
view src/main/gov/nasa/jpf/util/SourceRef.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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/* * Copyright (C) 2014, United States Government, as represented by the * Administrator of the National Aeronautics and Space Administration. * All rights reserved. * * The Java Pathfinder core (jpf-core) platform is licensed 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 gov.nasa.jpf.util; /** * a source reference abstraction wrapping file and line information */ public class SourceRef { public String fileName; public int line; public SourceRef (String f, int l) { if (f == null) { fileName = "?"; } else { fileName = f; } line = l; } public SourceRef (String spec){ int idx = spec.indexOf(':'); if (idx > 0){ fileName = spec.substring(0, idx); line = Integer.parseInt(spec.substring(idx+1)); } else { fileName = spec; line = 0; } } public String getLocationString() { return (fileName + ':' + line); } public String getLineString () { Source source = Source.getSource(fileName); if (source != null) { return source.getLine(line); } else { return null; } } @Override public boolean equals (Object o) { if (o == null) { return false; } if (!(o instanceof SourceRef)) { return false; } SourceRef that = (SourceRef) o; if (this.fileName == null) { return false; } if (this.line == -1) { return false; } if (!this.fileName.equals(that.fileName)) { return false; } if (this.line != that.line) { return false; } return true; } public boolean equals (String f, int l) { if (fileName == null) { return false; } if (line == -1) { return false; } if (!fileName.equals(f)) { return false; } if (line != l) { return false; } return true; } public boolean equals (String filePos){ if (filePos.startsWith(fileName)){ int len = fileName.length(); if (filePos.charAt(len) == ':'){ if (Integer.parseInt(filePos.substring(len+1)) == line){ return true; } } } return false; } @Override public int hashCode() { assert false : "hashCode not designed"; return 42; // any arbitrary constant will do // thanks, FindBugs! } public String getFileName () { return fileName; } public void set (SourceRef sr) { fileName = sr.fileName; line = sr.line; } @Override public String toString () { return (fileName + ':' + line); } }