ImmutableStartLocal.java revision 987ac1ed12be414a9d6594d80913490b387e8eee 
1/*
2 * Copyright 2012, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.dexlib2.immutable.debug;
33
34import org.jf.dexlib2.DebugItemType;
35import org.jf.dexlib2.base.reference.BaseStringReference;
36import org.jf.dexlib2.base.reference.BaseTypeReference;
37import org.jf.dexlib2.iface.debug.StartLocal;
38import org.jf.dexlib2.iface.reference.StringReference;
39import org.jf.dexlib2.iface.reference.TypeReference;
40
41import javax.annotation.Nonnull;
42import javax.annotation.Nullable;
43
44public class ImmutableStartLocal extends ImmutableDebugItem implements StartLocal {
45    protected final int register;
46    @Nullable protected final String name;
47    @Nullable protected final String type;
48    @Nullable protected final String signature;
49
50    public ImmutableStartLocal(int codeAddress,
51                               int register,
52                               @Nullable String name,
53                               @Nullable String type,
54                               @Nullable String signature) {
55        super(codeAddress);
56        this.register = register;
57        this.name = name;
58        this.type = type;
59        this.signature = signature;
60    }
61
62    @Nonnull
63    public static ImmutableStartLocal of(@Nonnull StartLocal startLocal) {
64        if (startLocal instanceof  ImmutableStartLocal) {
65            return (ImmutableStartLocal)startLocal;
66        }
67        return new ImmutableStartLocal(
68                startLocal.getCodeAddress(),
69                startLocal.getRegister(),
70                startLocal.getName(),
71                startLocal.getType(),
72                startLocal.getSignature());
73    }
74
75    @Override public int getRegister() { return register; }
76
77    @Nullable @Override public StringReference getNameReference() {
78        return name==null?null:new BaseStringReference() {
79            @Nonnull @Override public String getString() {
80                return name;
81            }
82        };
83    }
84
85    @Nullable @Override public TypeReference getTypeReference() {
86        return type==null?null:new BaseTypeReference() {
87            @Nonnull @Override public String getType() {
88                return type;
89            }
90        };
91    }
92
93    @Nullable @Override public StringReference getSignatureReference() {
94        return signature==null?null:new BaseStringReference() {
95            @Nonnull @Override public String getString() {
96                return signature;
97            }
98        };
99    }
100
101    @Nullable @Override public String getName() { return name; }
102    @Nullable @Override public String getType() { return type; }
103    @Nullable @Override public String getSignature() { return signature; }
104
105    @Override public int getDebugItemType() { return DebugItemType.START_LOCAL; }
106}
107