twisti@1573: /*
jrose@2639:  * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
twisti@1573:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
twisti@1573:  *
twisti@1573:  * This code is free software; you can redistribute it and/or modify it
twisti@1573:  * under the terms of the GNU General Public License version 2 only, as
twisti@1573:  * published by the Free Software Foundation.
twisti@1573:  *
twisti@1573:  * This code is distributed in the hope that it will be useful, but WITHOUT
twisti@1573:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
twisti@1573:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
twisti@1573:  * version 2 for more details (a copy is included in the LICENSE file that
twisti@1573:  * accompanied this code).
twisti@1573:  *
twisti@1573:  * You should have received a copy of the GNU General Public License version
twisti@1573:  * 2 along with this work; if not, write to the Free Software Foundation,
twisti@1573:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
twisti@1573:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
twisti@1573:  *
twisti@1573:  */
twisti@1573: 
stefank@2314: #ifndef SHARE_VM_CI_CIMETHODHANDLE_HPP
stefank@2314: #define SHARE_VM_CI_CIMETHODHANDLE_HPP
stefank@2314: 
twisti@2898: #include "ci/ciCallProfile.hpp"
stefank@2325: #include "ci/ciInstance.hpp"
stefank@2314: #include "prims/methodHandles.hpp"
stefank@2314: 
twisti@1573: // ciMethodHandle
twisti@1573: //
jrose@2639: // The class represents a java.lang.invoke.MethodHandle object.
twisti@1573: class ciMethodHandle : public ciInstance {
twisti@1573: private:
twisti@2898:   ciMethod*      _callee;
twisti@2903:   ciMethod*      _caller;
never@2949:   ciCallProfile  _profile;
never@3105:   ciMethod*      _method_handle_adapter;
never@3105:   ciMethod*      _invokedynamic_adapter;
twisti@1573: 
twisti@1573:   // Return an adapter for this MethodHandle.
never@3105:   ciMethod* get_adapter_impl(bool is_invokedynamic);
never@3105:   ciMethod* get_adapter(     bool is_invokedynamic);
twisti@1573: 
twisti@1573: protected:
never@3105:   void print_chain_impl(outputStream* st) PRODUCT_RETURN;
twisti@1573: 
twisti@1573: public:
twisti@2903:   ciMethodHandle(instanceHandle h_i) :
twisti@2903:     ciInstance(h_i),
twisti@2903:     _callee(NULL),
never@3105:     _caller(NULL),
never@3105:     _method_handle_adapter(NULL),
never@3105:     _invokedynamic_adapter(NULL)
twisti@2903:   {}
twisti@1573: 
twisti@1573:   // What kind of ciObject is this?
twisti@1573:   bool is_method_handle() const { return true; }
twisti@1573: 
twisti@2903:   void set_callee(ciMethod* m)                  { _callee  = m;       }
twisti@2903:   void set_caller(ciMethod* m)                  { _caller  = m;       }
never@2949:   void set_call_profile(ciCallProfile profile)  { _profile = profile; }
twisti@2898: 
twisti@1573:   // Return an adapter for a MethodHandle call.
never@3105:   ciMethod* get_method_handle_adapter() {
never@3105:     if (_method_handle_adapter == NULL) {
never@3105:       _method_handle_adapter = get_adapter(false);
never@3105:     }
never@3105:     return _method_handle_adapter;
never@3105:   }
twisti@1573: 
twisti@1573:   // Return an adapter for an invokedynamic call.
never@3105:   ciMethod* get_invokedynamic_adapter() {
never@3105:     if (_invokedynamic_adapter == NULL) {
never@3105:       _invokedynamic_adapter = get_adapter(true);
never@3105:     }
never@3105:     return _invokedynamic_adapter;
never@3105:   }
never@3105: 
never@3105:   void print_chain(outputStream* st = tty) PRODUCT_RETURN;
twisti@1573: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_CI_CIMETHODHANDLE_HPP