Mercurial > hg > truffle

annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/serial/PostOrderSerializer.java @ 12388:96c1d057a5ed

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Truffle: Added experimental serialization API.
author Christian Humer <christian.humer@gmail.com>
date Wed, 02 Oct 2013 15:33:08 +0200
parents
children 915ebb306fcc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12388
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
1 /*
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
4 *
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
7 * published by the Free Software Foundation. Oracle designates this
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
8 * particular file as subject to the "Classpath" exception as provided
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
9 * by Oracle in the LICENSE file that accompanied this code.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
10 *
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
11 * This code is distributed in the hope that it will be useful, but WITHOUT
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
14 * version 2 for more details (a copy is included in the LICENSE file that
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
15 * accompanied this code).
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
16 *
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
17 * You should have received a copy of the GNU General Public License version
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
18 * 2 along with this work; if not, write to the Free Software Foundation,
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
20 *
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
22 * or visit www.oracle.com if you need additional information or have any
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
23 * questions.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
24 */
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
25 package com.oracle.truffle.api.nodes.serial;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
26
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
27 import java.lang.reflect.*;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
28 import java.nio.*;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
29
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
30 import sun.misc.*;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
31
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
32 import com.oracle.truffle.api.*;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
33 import com.oracle.truffle.api.nodes.*;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
34 import com.oracle.truffle.api.nodes.NodeUtil.NodeClass;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
35 import com.oracle.truffle.api.nodes.NodeUtil.NodeField;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
36 import com.oracle.truffle.api.nodes.NodeUtil.NodeFieldKind;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
37
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
38 /**
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
39 * Experimental API. May change without notice.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
40 */
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
41 public final class PostOrderSerializer {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
42
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
43 private static final Unsafe unsafe = loadUnsafe();
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
44
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
45 private final SerializerConstantPool cp;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
46
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
47 /**
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
48 * Constructs a new deserializer using a custom {@link SerializerConstantPool} implementation.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
49 * For the {@link SerializerConstantPool} implementation at least the following methods must be
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
50 * implemented:
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
51 * <ul>
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
52 * <li>{@link SerializerConstantPool#putInt(int)}</li>
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
53 * <li>{@link SerializerConstantPool#putClass(Class)}</li>
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
54 * </ul>
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
55 */
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
56 public PostOrderSerializer(SerializerConstantPool cp) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
57 this.cp = cp;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
58 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
59
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
60 /**
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
61 * Serializes the node AST and returns the serialized data as byte array.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
62 *
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
63 * @param node the root node that represents the Truffle AST that should be serialized.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
64 * @return a trimmed byte array that contains the serialized data.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
65 *
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
66 * @throws UnsupportedConstantPoolTypeException thrown if a type is encountered that is not
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
67 * supported by the constant pool implementation.
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
68 */
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
69 public byte[] serialize(Node node) throws UnsupportedConstantPoolTypeException {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
70 VariableLengthIntBuffer buffer = new VariableLengthIntBuffer(ByteBuffer.allocate(512));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
71 serialize(buffer, node);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
72 return buffer.getBytes();
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
73 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
74
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
75 private void serialize(VariableLengthIntBuffer buffer, Node node) throws UnsupportedConstantPoolTypeException {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
76 if (node == null) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
77 buffer.put(VariableLengthIntBuffer.NULL);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
78 return;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
79 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
80 Class<? extends Node> nodeClass = node.getClass();
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
81
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
82 NodeField[] nodeFields = NodeClass.get(nodeClass).getFields();
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
83 serializeChildFields(buffer, node, nodeFields);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
84 serializeChildrenFields(buffer, node, nodeFields);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
85 buffer.put(cp.putClass(node.getClass()));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
86 serializeDataFields(buffer, node, nodeFields);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
87 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
88
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
89 private void serializeDataFields(VariableLengthIntBuffer buffer, Node node, NodeField[] nodeFields) throws UnsupportedConstantPoolTypeException {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
90 for (int i = 0; i < nodeFields.length; i++) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
91 NodeField field = nodeFields[i];
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
92 if (field.getKind() == NodeFieldKind.DATA) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
93 Class<?> fieldClass = field.getType();
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
94 long offset = field.getOffset();
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
95 int cpi;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
96
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
97 if (field.getType().isAssignableFrom(SourceSection.class)) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
98 continue;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
99 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
100
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
101 if (fieldClass == int.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
102 cpi = cp.putInt(unsafe.getInt(node, offset));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
103 } else if (fieldClass == long.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
104 cpi = cp.putLong(unsafe.getLong(node, offset));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
105 } else if (fieldClass == float.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
106 cpi = cp.putFloat(unsafe.getFloat(node, offset));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
107 } else if (fieldClass == double.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
108 cpi = cp.putDouble(unsafe.getDouble(node, offset));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
109 } else if (fieldClass == byte.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
110 cpi = cp.putInt(unsafe.getByte(node, offset));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
111 } else if (fieldClass == short.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
112 cpi = cp.putInt(unsafe.getShort(node, offset));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
113 } else if (fieldClass == char.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
114 cpi = cp.putInt(unsafe.getChar(node, offset));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
115 } else if (fieldClass == boolean.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
116 cpi = cp.putInt(unsafe.getBoolean(node, offset) ? 1 : 0);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
117 } else {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
118 Object value = unsafe.getObject(node, offset);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
119 if (value == null) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
120 cpi = VariableLengthIntBuffer.NULL;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
121 } else if (fieldClass == Integer.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
122 cpi = cp.putInt((Integer) value);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
123 } else if (fieldClass == Long.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
124 cpi = cp.putLong((Long) value);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
125 } else if (fieldClass == Float.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
126 cpi = cp.putFloat((Float) value);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
127 } else if (fieldClass == Double.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
128 cpi = cp.putDouble((Double) value);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
129 } else if (fieldClass == Byte.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
130 cpi = cp.putInt((Byte) value);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
131 } else if (fieldClass == Short.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
132 cpi = cp.putInt((Short) value);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
133 } else if (fieldClass == Character.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
134 cpi = cp.putInt((Character) value);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
135 } else if (fieldClass == Boolean.class) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
136 cpi = cp.putInt((Boolean) value ? 1 : 0);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
137 } else {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
138 cpi = cp.putObject(fieldClass, value);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
139 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
140 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
141
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
142 buffer.put(cpi);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
143 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
144 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
145 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
146
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
147 private void serializeChildrenFields(VariableLengthIntBuffer buffer, Node nodeInstance, NodeField[] nodeFields) throws UnsupportedConstantPoolTypeException {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
148 for (int i = 0; i < nodeFields.length; i++) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
149 NodeField field = nodeFields[i];
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
150 if (field.getKind() == NodeFieldKind.CHILDREN) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
151 Object childArrayObject = unsafe.getObject(nodeInstance, field.getOffset());
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
152 if (childArrayObject != null && !(childArrayObject instanceof Node[])) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
153 throw new AssertionError("Node children must be instanceof Node[]");
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
154 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
155
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
156 buffer.put(cp.putClass(field.getType()));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
157
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
158 Node[] childArray = (Node[]) childArrayObject;
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
159 if (childArray == null) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
160 buffer.put(VariableLengthIntBuffer.NULL);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
161 } else {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
162 buffer.put(cp.putInt(childArray.length));
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
163
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
164 for (int j = 0; j < childArray.length; j++) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
165 serialize(buffer, childArray[j]);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
166 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
167 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
168 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
169 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
170 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
171
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
172 private void serializeChildFields(VariableLengthIntBuffer buffer, Node nodeInstance, NodeField[] nodeFields) throws UnsupportedConstantPoolTypeException {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
173 for (int i = 0; i < nodeFields.length; i++) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
174 NodeField field = nodeFields[i];
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
175 if (field.getKind() == NodeFieldKind.CHILD) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
176 Object childObject = unsafe.getObject(nodeInstance, field.getOffset());
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
177 if (childObject != null && !(childObject instanceof Node)) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
178 throw new AssertionError("Node children must be instanceof Node");
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
179 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
180 serialize(buffer, (Node) childObject);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
181 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
182 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
183 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
184
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
185 private static Unsafe loadUnsafe() {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
186 try {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
187 return Unsafe.getUnsafe();
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
188 } catch (SecurityException e) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
189 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
190 try {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
191 Field theUnsafeInstance = Unsafe.class.getDeclaredField("theUnsafe");
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
192 theUnsafeInstance.setAccessible(true);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
193 return (Unsafe) theUnsafeInstance.get(Unsafe.class);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
194 } catch (Exception e) {
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
195 throw new RuntimeException("exception while trying to get Unsafe.theUnsafe via reflection:", e);
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
196 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
197 }
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
198
96c1d057a5ed Truffle: Added experimental serialization API.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
199 }