1/*
2 * Copyright 2015, 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.smalidea.dexlib;
33
34import org.jf.dexlib2.base.BaseTryBlock;
35import org.jf.smalidea.psi.impl.SmaliCatchStatement;
36
37import javax.annotation.Nonnull;
38import java.util.Arrays;
39import java.util.List;
40
41public class SmalideaTryBlock extends BaseTryBlock<SmalideaExceptionHandler> {
42    @Nonnull private final SmaliCatchStatement catchStatement;
43
44    public SmalideaTryBlock(@Nonnull SmaliCatchStatement catchStatement) {
45        this.catchStatement = catchStatement;
46    }
47
48    @Override public int getCodeUnitCount() {
49        int endOffset = catchStatement.getEndLabel().resolve().getOffset() / 2;
50        return endOffset - getStartCodeAddress();
51    }
52
53    @Override public int getStartCodeAddress() {
54        // TODO: how to handle references to non-existent labels?
55        return catchStatement.getStartLabel().resolve().getOffset() / 2;
56    }
57
58    @Nonnull @Override public List<? extends SmalideaExceptionHandler> getExceptionHandlers() {
59        return Arrays.asList(new SmalideaExceptionHandler(catchStatement));
60    }
61}
62