Mercurial > hg > Members > kono > jpf-core
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/gov/nasa/jpf/util/SourceRef.java Fri Jan 23 10:14:01 2015 -0800 @@ -0,0 +1,145 @@ +/* + * 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); + } +}