|
0
|
1 /*
|
|
|
2 * Copyright 1999-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 #include "incls/_precompiled.incl"
|
|
|
26 #include "incls/_ciSignature.cpp.incl"
|
|
|
27
|
|
|
28 // ciSignature
|
|
|
29 //
|
|
|
30 // This class represents the signature of a method.
|
|
|
31
|
|
|
32 // ------------------------------------------------------------------
|
|
|
33 // ciSignature::ciSignature
|
|
|
34 ciSignature::ciSignature(ciKlass* accessing_klass, ciSymbol* symbol) {
|
|
|
35 ASSERT_IN_VM;
|
|
|
36 EXCEPTION_CONTEXT;
|
|
|
37 _accessing_klass = accessing_klass;
|
|
|
38 _symbol = symbol;
|
|
|
39
|
|
|
40 ciEnv* env = CURRENT_ENV;
|
|
|
41 Arena* arena = env->arena();
|
|
|
42 _types = new (arena) GrowableArray<ciType*>(arena, 8, 0, NULL);
|
|
|
43
|
|
|
44 int size = 0;
|
|
|
45 int count = 0;
|
|
|
46 symbolHandle sh (THREAD, symbol->get_symbolOop());
|
|
|
47 SignatureStream ss(sh);
|
|
|
48 for (; ; ss.next()) {
|
|
|
49 // Process one element of the signature
|
|
|
50 ciType* type;
|
|
|
51 if (!ss.is_object()) {
|
|
|
52 type = ciType::make(ss.type());
|
|
|
53 } else {
|
|
|
54 symbolOop name = ss.as_symbol(THREAD);
|
|
|
55 if (HAS_PENDING_EXCEPTION) {
|
|
|
56 type = ss.is_array() ? (ciType*)ciEnv::unloaded_ciobjarrayklass()
|
|
|
57 : (ciType*)ciEnv::unloaded_ciinstance_klass();
|
|
|
58 env->record_out_of_memory_failure();
|
|
|
59 CLEAR_PENDING_EXCEPTION;
|
|
|
60 } else {
|
|
|
61 ciSymbol* klass_name = env->get_object(name)->as_symbol();
|
|
|
62 type = env->get_klass_by_name_impl(_accessing_klass, klass_name, false);
|
|
|
63 }
|
|
|
64 }
|
|
|
65 _types->append(type);
|
|
|
66 if (ss.at_return_type()) {
|
|
|
67 // Done processing the return type; do not add it into the count.
|
|
|
68 break;
|
|
|
69 }
|
|
|
70 size += type->size();
|
|
|
71 count++;
|
|
|
72 }
|
|
|
73 _size = size;
|
|
|
74 _count = count;
|
|
|
75 }
|
|
|
76
|
|
|
77 // ------------------------------------------------------------------
|
|
|
78 // ciSignature::return_ciType
|
|
|
79 //
|
|
|
80 // What is the return type of this signature?
|
|
|
81 ciType* ciSignature::return_type() const {
|
|
|
82 return _types->at(_count);
|
|
|
83 }
|
|
|
84
|
|
|
85 // ------------------------------------------------------------------
|
|
|
86 // ciSignature::ciType_at
|
|
|
87 //
|
|
|
88 // What is the type of the index'th element of this
|
|
|
89 // signature?
|
|
|
90 ciType* ciSignature::type_at(int index) const {
|
|
|
91 assert(index < _count, "out of bounds");
|
|
|
92 // The first _klasses element holds the return klass.
|
|
|
93 return _types->at(index);
|
|
|
94 }
|
|
|
95
|
|
|
96 // ------------------------------------------------------------------
|
|
|
97 // ciSignature::print_signature
|
|
|
98 void ciSignature::print_signature() {
|
|
|
99 _symbol->print_symbol();
|
|
|
100 }
|
|
|
101
|
|
|
102 // ------------------------------------------------------------------
|
|
|
103 // ciSignature::print
|
|
|
104 void ciSignature::print() {
|
|
|
105 tty->print("<ciSignature symbol=");
|
|
|
106 print_signature();
|
|
|
107 tty->print(" accessing_klass=");
|
|
|
108 _accessing_klass->print();
|
|
|
109 tty->print(" address=0x%x>", (address)this);
|
|
|
110 }
|
