1 /*
   2  * Copyright (c) 2016, 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.hotspot.stubs;
  24 
  25 import java.util.concurrent.atomic.AtomicLong;
  26 
  27 import org.graalvm.compiler.core.common.CompilationIdentifier;
  28 import org.graalvm.compiler.debug.GraalError;
  29 
  30 /**
  31  * {@link CompilationIdentifier} for {@linkplain Stub stub compilations}.
  32  */
  33 public class StubCompilationIdentifier implements CompilationIdentifier {
  34 
  35     private static final AtomicLong uniqueStubIds = new AtomicLong();
  36     private final long id;
  37     private final Stub stub;
  38 
  39     public StubCompilationIdentifier(Stub stub) {
  40         this.id = uniqueStubIds.getAndIncrement();
  41         this.stub = stub;
  42     }
  43 
  44     @Override
  45     public final String toString() {
  46         return toString(Verbosity.DETAILED);
  47     }
  48 
  49     @Override
  50     public String toString(Verbosity verbosity) {
  51         switch (verbosity) {
  52             case ID:
  53                 return buildID();
  54             case NAME:
  55                 return buildName();
  56             case DETAILED:
  57                 return buildID() + '[' + buildName() + ']';
  58         }
  59         throw new GraalError("unknown verbosity: " + verbosity);
  60     }
  61 
  62     private String buildName() {
  63         return stub.toString();
  64     }
  65 
  66     private String buildID() {
  67         return "StubCompilation-" + id;
  68     }
  69 
  70 }