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The Android Open Source Project9066cfe2009-03-03 19:31:44 -08001/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17import java.io.BufferedReader;
18import java.io.FileInputStream;
19import java.io.IOException;
20import java.io.InputStreamReader;
21import java.util.ArrayList;
22import java.util.List;
23
24/**
25 * Parses and analyzes a log, pulling our PRELOAD information. If you have
26 * an emulator or device running in the background, this class will use it
27 * to measure and record the memory usage of each class.
28 *
29 * TODO: Should analyze lines and select substring dynamically (instead of hardcoded 19)
30 */
31public class Compile {
32
33 public static void main(String[] args) throws IOException {
34 if (args.length != 2) {
35 System.err.println("Usage: Compile [log file] [output file]");
36 System.exit(0);
37 }
38
39 Root root = new Root();
40
41 List<Record> records = new ArrayList<Record>();
42
43 BufferedReader in = new BufferedReader(new InputStreamReader(
44 new FileInputStream(args[0])));
45
46 String line;
47 int lineNumber = 0;
48 while ((line = in.readLine()) != null) {
49 lineNumber++;
50 if (line.startsWith("I/PRELOAD")) {
51 try {
52 String clipped = line.substring(19);
53 records.add(new Record(clipped, lineNumber));
54 } catch (RuntimeException e) {
55 throw new RuntimeException(
56 "Exception while recording line " + lineNumber + ": " + line, e);
57 }
58 }
59 }
60
61 for (Record record : records) {
62 root.indexProcess(record);
63 }
64
65 for (Record record : records) {
66 root.indexClassOperation(record);
67 }
68
69 in.close();
70
71 root.toFile(args[1]);
72 }
73}