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.ResolvedJavaMethod;
  26 
  27 /**
  28  * Provides a {@link Bytecode} object for interposing on the bytecode of a
  29  * {@link ResolvedJavaMethod} (i.e., potentially getting bytecode different than
  30  * {@link ResolvedJavaMethod#getCode()}).
  31  */
  32 public interface BytecodeProvider {
  33 
  34     /**
  35      * Gets a {@link Bytecode} object that supplies bytecode properties for {@code method}.
  36      */
  37     Bytecode getBytecode(ResolvedJavaMethod method);
  38 
  39     /**
  40      * Determines if this provider supports the INVOKEDYNAMIC bytecode.
  41      */
  42     boolean supportsInvokedynamic();
  43 
  44     /**
  45      * Determines if methods parsed using this provider should be recorded so that method
  46      * redefinition can invalidate the resulting code.
  47      */
  48     boolean shouldRecordMethodDependencies();
  49 }