| /* |
| * Copyright (c) 2011, 2018, 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 vm.mlvm.share.jpda; |
| |
| import nsk.share.ArgumentParser; |
| import vm.mlvm.share.Env; |
| |
| import com.sun.jdi.AbsentInformationException; |
| import com.sun.jdi.Location; |
| import com.sun.jdi.ObjectReference; |
| import com.sun.jdi.ReferenceType; |
| import com.sun.jdi.StackFrame; |
| |
| public class StratumUtils { |
| |
| public static boolean checkStratum(Location location, StratumInfo si) throws AbsentInformationException { |
| // Check stratum information |
| try { |
| Env.traceVerbose(String.format("Stratum [%s]: required=[%s:%d]", si.stratum, si.stratumSourceName, si.stratumSourceLine)); |
| Env.traceVerbose(String.format("Default stratum: location=[%s:%d]", location.sourceName(), location.lineNumber())); |
| |
| String stratumSourceName = location.sourceName(si.stratum); |
| int stratumSourceLine = location.lineNumber(si.stratum); |
| String stratumInfo = String.format("actual=[%s:%d]", stratumSourceName, stratumSourceLine); |
| |
| if (stratumSourceName.equals(si.stratumSourceName) && stratumSourceLine == si.stratumSourceLine) { |
| Env.traceVerbose("Stratum matches: " + stratumInfo); |
| return true; |
| } else { |
| Env.complain("Stratum mismatch: " + stratumInfo); |
| return false; |
| } |
| } catch (AbsentInformationException e) { |
| Env.complain(e, "Strata information is absent. Available strata: " + getStrataStr(location.declaringType())); |
| |
| return false; |
| } |
| } |
| |
| public static StratumInfo parseStratumInfo(String stratumInfo) throws Exception { |
| int sourceNamePos = stratumInfo.indexOf('='); |
| int sourceLinePos = stratumInfo.indexOf(':'); |
| |
| if (sourceNamePos == -1 || sourceLinePos == -1 || sourceNamePos >= sourceLinePos) { |
| throw new ArgumentParser.BadOption("Wrong syntax of stratum information: [" + stratumInfo + "]"); |
| } |
| |
| return new StratumInfo( |
| stratumInfo.substring(0, sourceNamePos), |
| stratumInfo.substring(sourceNamePos + 1, sourceLinePos), |
| Integer.parseInt(stratumInfo.substring(sourceLinePos + 1))); |
| } |
| |
| public static String getStrataStr(StackFrame sf) { |
| ObjectReference thisObject = sf.thisObject(); |
| if (thisObject == null) |
| return "(no strata)"; |
| return StratumUtils.getStrataStr(thisObject.referenceType()); |
| } |
| |
| public static String getStrataStr(ReferenceType ref) { |
| return ref.availableStrata() + " (" + ref + ")"; |
| } |
| } |