FieldDefinition.java revision 98eede2ce107a467afa03df6f9a97c05737bd1aa 
1/*
2 * [The "BSD licence"]
3 * Copyright (c) 2010 Ben Gruver (JesusFreke)
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29package org.jf.baksmali.Adaptors;
30
31import org.jf.baksmali.Adaptors.EncodedValue.EncodedValueAdaptor;
32import org.jf.dexlib2.AccessFlags;
33import org.jf.dexlib2.ValueType;
34import org.jf.dexlib2.iface.Annotation;
35import org.jf.dexlib2.iface.Field;
36import org.jf.dexlib2.iface.value.EncodedValue;
37import org.jf.dexlib2.util.EncodedValueUtils;
38import org.jf.util.IndentingWriter;
39
40import java.io.IOException;
41import java.util.List;
42
43public class FieldDefinition {
44    public static void writeTo(IndentingWriter writer, Field field, boolean setInStaticConstructor) throws IOException {
45        EncodedValue initialValue = field.getInitialValue();
46        int accessFlags = field.getAccessFlags();
47
48        if (setInStaticConstructor &&
49                AccessFlags.STATIC.isSet(accessFlags) &&
50                AccessFlags.FINAL.isSet(accessFlags) &&
51                initialValue != null) {
52            if (!EncodedValueUtils.isDefaultValue(initialValue)) {
53                writer.write("# The value of this static final field might be set in the static constructor\n");
54            } else {
55                // don't write out the default initial value for static final fields that get set in the static
56                // constructor
57                initialValue = null;
58            }
59        }
60
61        writer.write(".field ");
62        writeAccessFlags(writer, field.getAccessFlags());
63        writer.write(field.getName());
64        writer.write(':');
65        writer.write(field.getType());
66        if (initialValue != null) {
67            writer.write(" = ");
68            EncodedValueAdaptor.writeTo(writer, initialValue);
69        }
70
71        writer.write('\n');
72
73        List<? extends Annotation> annotations = field.getAnnotations();
74        if (annotations.size() > 0) {
75            writer.indent(4);
76            AnnotationFormatter.writeTo(writer, annotations);
77            writer.deindent(4);
78            writer.write(".end field\n");
79        }
80    }
81
82    private static void writeAccessFlags(IndentingWriter writer, int accessFlags) throws IOException {
83        for (AccessFlags accessFlag: AccessFlags.getAccessFlagsForField(accessFlags)) {
84            writer.write(accessFlag.toString());
85            writer.write(' ');
86        }
87    }
88}
89