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annotate src/share/vm/ci/ciMethodHandle.hpp @ 3938:e6b1331a51d2

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7086585: make Java field injection more flexible Reviewed-by: jrose, twisti, kvn, coleenp
author never
date Sat, 10 Sep 2011 17:29:02 -0700
parents c26de9aef2ed
children e0658a9b3f87
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1 /*
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_CI_CIMETHODHANDLE_HPP
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26 #define SHARE_VM_CI_CIMETHODHANDLE_HPP
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27
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28 #include "ci/ciCallProfile.hpp"
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29 #include "ci/ciInstance.hpp"
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30 #include "prims/methodHandles.hpp"
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31
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32 // ciMethodHandle
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33 //
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34 // The class represents a java.lang.invoke.MethodHandle object.
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35 class ciMethodHandle : public ciInstance {
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36 private:
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37 ciMethod* _callee;
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38 ciMethod* _caller;
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39 ciCallProfile _profile;
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40 ciMethod* _method_handle_adapter;
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41 ciMethod* _invokedynamic_adapter;
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42
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43 // Return an adapter for this MethodHandle.
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44 ciMethod* get_adapter_impl(bool is_invokedynamic);
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45 ciMethod* get_adapter( bool is_invokedynamic);
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46
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47 protected:
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48 void print_chain_impl(outputStream* st) PRODUCT_RETURN;
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49
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50 public:
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51 ciMethodHandle(instanceHandle h_i) :
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52 ciInstance(h_i),
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53 _callee(NULL),
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54 _caller(NULL),
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55 _method_handle_adapter(NULL),
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56 _invokedynamic_adapter(NULL)
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57 {}
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58
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59 // What kind of ciObject is this?
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60 bool is_method_handle() const { return true; }
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61
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62 void set_callee(ciMethod* m) { _callee = m; }
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63 void set_caller(ciMethod* m) { _caller = m; }
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64 void set_call_profile(ciCallProfile profile) { _profile = profile; }
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65
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66 // Return an adapter for a MethodHandle call.
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67 ciMethod* get_method_handle_adapter() {
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68 if (_method_handle_adapter == NULL) {
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69 _method_handle_adapter = get_adapter(false);
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70 }
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71 return _method_handle_adapter;
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72 }
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73
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74 // Return an adapter for an invokedynamic call.
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75 ciMethod* get_invokedynamic_adapter() {
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76 if (_invokedynamic_adapter == NULL) {
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77 _invokedynamic_adapter = get_adapter(true);
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78 }
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79 return _invokedynamic_adapter;
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80 }
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81
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82 void print_chain(outputStream* st = tty) PRODUCT_RETURN;
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83 };
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84
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85 #endif // SHARE_VM_CI_CIMETHODHANDLE_HPP