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.bytecode;
  24 
  25 import jdk.vm.ci.meta.ConstantPool;
  26 import jdk.vm.ci.meta.ExceptionHandler;
  27 import jdk.vm.ci.meta.LineNumberTable;
  28 import jdk.vm.ci.meta.LocalVariableTable;
  29 import jdk.vm.ci.meta.ProfilingInfo;
  30 import jdk.vm.ci.meta.ResolvedJavaMethod;
  31 
  32 /**
  33  * Direct access to the bytecode of a {@link ResolvedJavaMethod} that will reflect any
  34  * instrumentation and rewriting performed on the {@link ResolvedJavaMethod}.
  35  */
  36 public class ResolvedJavaMethodBytecode implements Bytecode {
  37 
  38     private final ResolvedJavaMethod method;
  39 
  40     public ResolvedJavaMethodBytecode(ResolvedJavaMethod method) {
  41         this.method = method;
  42     }
  43 
  44     @Override
  45     public ResolvedJavaMethod getMethod() {
  46         return method;
  47     }
  48 
  49     @Override
  50     public byte[] getCode() {
  51         return method.getCode();
  52     }
  53 
  54     @Override
  55     public int getCodeSize() {
  56         return method.getCodeSize();
  57     }
  58 
  59     @Override
  60     public int getMaxStackSize() {
  61         return method.getMaxStackSize();
  62     }
  63 
  64     @Override
  65     public int getMaxLocals() {
  66         return method.getMaxLocals();
  67     }
  68 
  69     @Override
  70     public ConstantPool getConstantPool() {
  71         return method.getConstantPool();
  72     }
  73 
  74     @Override
  75     public LineNumberTable getLineNumberTable() {
  76         return method.getLineNumberTable();
  77     }
  78 
  79     @Override
  80     public LocalVariableTable getLocalVariableTable() {
  81         return method.getLocalVariableTable();
  82     }
  83 
  84     @Override
  85     public ExceptionHandler[] getExceptionHandlers() {
  86         return method.getExceptionHandlers();
  87     }
  88 
  89     @Override
  90     public StackTraceElement asStackTraceElement(int bci) {
  91         return method.asStackTraceElement(bci);
  92     }
  93 
  94     @Override
  95     public ProfilingInfo getProfilingInfo() {
  96         return method.getProfilingInfo();
  97     }
  98 
  99     @Override
 100     public String toString() {
 101         return getClass().getSimpleName() + method.format("<%h.%n(%p)>");
 102     }
 103 }