1 /*
   2  * Copyright (c) 2009, 2011, 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  */
  24 
  25 #ifndef SHARE_VM_CI_CIMETHODHANDLE_HPP
  26 #define SHARE_VM_CI_CIMETHODHANDLE_HPP
  27 
  28 #include "ci/ciInstance.hpp"
  29 #include "prims/methodHandles.hpp"
  30 
  31 // ciMethodHandle
  32 //
  33 // The class represents a java.lang.invoke.MethodHandle object.
  34 class ciMethodHandle : public ciInstance {
  35 private:
  36   ciMethod* _callee;
  37 
  38   // Return an adapter for this MethodHandle.
  39   ciMethod* get_adapter(bool is_invokedynamic) const;
  40 
  41 protected:
  42   void print_impl(outputStream* st);
  43 
  44 public:
  45   ciMethodHandle(instanceHandle h_i) : ciInstance(h_i) {};
  46 
  47   // What kind of ciObject is this?
  48   bool is_method_handle() const { return true; }
  49 
  50   ciMethod* callee() const { return _callee; }
  51   void  set_callee(ciMethod* m) { _callee = m; }
  52 
  53   // Return an adapter for a MethodHandle call.
  54   ciMethod* get_method_handle_adapter() const {
  55     return get_adapter(false);
  56   }
  57 
  58   // Return an adapter for an invokedynamic call.
  59   ciMethod* get_invokedynamic_adapter() const {
  60     return get_adapter(true);
  61   }
  62 };
  63 
  64 #endif // SHARE_VM_CI_CIMETHODHANDLE_HPP