Mercurial > hg > truffle

annotate graal/com.oracle.truffle.object/src/com/oracle/truffle/object/LocationImpl.java @ 18795:e9cbe1618733

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Truffle: refactor size calculation in location allocator to visitor pattern
author Andreas Woess <andreas.woess@jku.at>
date Wed, 07 Jan 2015 15:11:38 +0100
parents 2c3666f44855
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1 /*
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
4 *
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
7 * published by the Free Software Foundation.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
8 *
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
13 * accompanied this code).
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
14 *
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
18 *
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
21 * questions.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
22 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
23 package com.oracle.truffle.object;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
24
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
25 import com.oracle.truffle.api.object.*;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
26
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
27 public abstract class LocationImpl extends Location {
18795
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
28
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
29 public interface EffectivelyFinalLocation<T extends Location> {
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
30 T toNonFinalLocation();
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
31 }
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
32
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
33 public interface TypedObjectLocation<T extends Location & ObjectLocation> extends ObjectLocation {
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
34 T toUntypedLocation();
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
35 }
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
36
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
37 public interface InternalLongLocation extends LongLocation {
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
38 void setLongInternal(DynamicObject store, long value);
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
39 }
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
40
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
41 public interface LocationVisitor {
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
42 void visitObjectField(int index, int count);
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
43
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
44 void visitObjectArray(int index, int count);
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
45
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
46 void visitPrimitiveField(int index, int count);
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
47
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
48 void visitPrimitiveArray(int index, int count);
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
49 }
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
50
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
51 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
52 public void set(DynamicObject store, Object value, Shape shape) throws IncompatibleLocationException, FinalLocationException {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
53 setInternal(store, value);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
54 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
55
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
56 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
57 protected final Object getInternal(DynamicObject store) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
58 throw new UnsupportedOperationException();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
59 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
60
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
61 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
62 protected abstract void setInternal(DynamicObject store, Object value) throws IncompatibleLocationException;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
63
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
64 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
65 public final boolean canSet(DynamicObject store, Object value) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
66 return canStore(value) && canStoreFinal(store, value);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
67 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
68
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
69 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
70 public boolean canStore(Object value) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
71 return true;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
72 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
73
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
74 @SuppressWarnings("unused")
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
75 protected boolean canStoreFinal(DynamicObject store, Object value) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
76 return true;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
77 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
78
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
79 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
80 public boolean isFinal() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
81 return false;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
82 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
83
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
84 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
85 public boolean isConstant() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
86 return false;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
87 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
88
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
89 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
90 public int hashCode() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
91 final int prime = 31;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
92 int result = 1;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
93 result = prime * result + (isFinal() ? 1231 : 1237);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
94 return result;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
95 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
96
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
97 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
98 public boolean equals(Object obj) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
99 if (this == obj) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
100 return true;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
101 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
102 if (obj == null) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
103 return false;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
104 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
105 if (getClass() != obj.getClass()) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
106 return false;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
107 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
108 Location other = (Location) obj;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
109 if (isFinal() != other.isFinal()) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
110 return false;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
111 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
112 return true;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
113 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
114
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
115 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
116 public String toString() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
117 String finalString = isFinal() ? "f" : "";
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
118 String typeString = this instanceof IntLocation ? "i" : (this instanceof DoubleLocation ? "d" : (this instanceof BooleanLocation ? "b"
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
119 : (this instanceof TypedLocation ? ((TypedLocation) this).getType().getSimpleName() : "o")));
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
120 return finalString + typeString + getWhereString();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
121 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
122
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
123 protected String getWhereString() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
124 return "";
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
125 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
126
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
127 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
128 * Get the number of object array elements this location requires.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
129 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
130 public int objectArrayCount() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
131 return 0;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
132 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
133
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
134 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
135 * Get the number of in-object {@link Object} fields this location requires.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
136 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
137 public int objectFieldCount() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
138 return 0;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
139 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
140
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
141 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
142 * Get the number of in-object primitive fields this location requires.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
143 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
144 public int primitiveFieldCount() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
145 return 0;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
146 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
147
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
148 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
149 * Get the number of primitive array elements this location requires.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
150 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
151 public int primitiveArrayCount() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
152 return 0;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
153 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
154
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
155 /**
18795
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
156 * Accept a visitor for location allocation for this and every nested location.
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
157 *
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
158 * @param locationVisitor visitor to be notified of every allocated slot in use by this location
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
159 */
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
160 public abstract void accept(LocationVisitor locationVisitor);
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
161
e9cbe1618733 Truffle: refactor size calculation in location allocator to visitor pattern
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
162 /**
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
163 * Boxed values need to be compared by value not by reference.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
164 *
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
165 * The first parameter should be the one with the more precise type information.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
166 *
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
167 * For sets to final locations, otherValue.equals(thisValue) seems more beneficial, since we
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
168 * usually know more about the value to be set.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
169 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
170 public static boolean valueEquals(Object val1, Object val2) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
171 return val1 == val2 || (val1 != null && val1.equals(val2));
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
172 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
173 }