Mercurial > hg > graal-compiler
comparison graal/com.oracle.max.cri/src/com/oracle/max/cri/ri/RiConstantPool.java @ 4199:aaac4894175c
Renamed cri packages from sun to oracle.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 03 Jan 2012 16:29:28 +0100 |
parents | graal/com.oracle.max.cri/src/com/sun/cri/ri/RiConstantPool.java@e233f5660da4 |
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4198:8c9c0e1eaab1 | 4199:aaac4894175c |
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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 package com.oracle.max.cri.ri; | |
24 | |
25 /** | |
26 * Represents the runtime representation of the constant pool that is | |
27 * used by the compiler when parsing bytecode. The {@code lookupXXX} methods look up a constant | |
28 * pool entry without performing resolution, and are used during compilation. | |
29 */ | |
30 public interface RiConstantPool { | |
31 | |
32 /** | |
33 * Makes sure that the type referenced by the specified constant pool entry is loaded and | |
34 * initialized. This can be used to compile time resolve a type. It works for field, method, | |
35 * or type constant pool entries. | |
36 * @param cpi the index of the constant pool entry that references the type | |
37 * @param opcode the opcode of the instruction that references the type | |
38 */ | |
39 void loadReferencedType(int cpi, int opcode); | |
40 | |
41 /** | |
42 * Looks up a reference to a field. If {@code opcode} is non-negative, then resolution checks | |
43 * specific to the JVM instruction it denotes are performed if the field is already resolved. | |
44 * Should any of these checks fail, an {@linkplain RiField#isResolved() unresolved} | |
45 * field reference is returned. | |
46 * | |
47 * @param cpi the constant pool index | |
48 * @param opcode the opcode of the instruction for which the lookup is being performed or {@code -1} | |
49 * @return a reference to the field at {@code cpi} in this pool | |
50 * @throws ClassFormatError if the entry at {@code cpi} is not a field | |
51 */ | |
52 RiField lookupField(int cpi, int opcode); | |
53 | |
54 /** | |
55 * Looks up a reference to a method. If {@code opcode} is non-negative, then resolution checks | |
56 * specific to the JVM instruction it denotes are performed if the method is already resolved. | |
57 * Should any of these checks fail, an {@linkplain RiMethod#isResolved() unresolved} | |
58 * method reference is returned. | |
59 * | |
60 * @param cpi the constant pool index | |
61 * @param opcode the opcode of the instruction for which the lookup is being performed or {@code -1} | |
62 * @return a reference to the method at {@code cpi} in this pool | |
63 * @throws ClassFormatError if the entry at {@code cpi} is not a method | |
64 */ | |
65 RiMethod lookupMethod(int cpi, int opcode); | |
66 | |
67 /** | |
68 * Looks up a reference to a type. If {@code opcode} is non-negative, then resolution checks | |
69 * specific to the JVM instruction it denotes are performed if the type is already resolved. | |
70 * Should any of these checks fail, an {@linkplain RiType#isResolved() unresolved} | |
71 * type reference is returned. | |
72 * | |
73 * @param cpi the constant pool index | |
74 * @param opcode the opcode of the instruction for which the lookup is being performed or {@code -1} | |
75 * @return a reference to the compiler interface type | |
76 */ | |
77 RiType lookupType(int cpi, int opcode); | |
78 | |
79 /** | |
80 * Looks up a method signature. | |
81 * | |
82 * @param cpi the constant pool index | |
83 * @return the method signature at index {@code cpi} in this constant pool | |
84 */ | |
85 RiSignature lookupSignature(int cpi); | |
86 | |
87 /** | |
88 * Looks up a constant at the specified index. | |
89 * @param cpi the constant pool index | |
90 * @return the {@code CiConstant} instance representing the constant | |
91 */ | |
92 Object lookupConstant(int cpi); | |
93 } |