auto import from //depot/cupcake/@135843

1 files changed, 73 insertions, 0 deletions

diff --git a/tools/preload/Compile.java b/tools/preload/Compile.java
new file mode 100644
index 0000000..67258ef
--- /dev/null
+++ b/tools/preload/Compile.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Parses and analyzes a log, pulling our PRELOAD information. If you have
+ * an emulator or device running in the background, this class will use it
+ * to measure and record the memory usage of each class.
+ * 
+ * TODO: Should analyze lines and select substring dynamically (instead of hardcoded 19)
+ */
+public class Compile {
+
+    public static void main(String[] args) throws IOException {
+        if (args.length != 2) {
+            System.err.println("Usage: Compile [log file] [output file]");
+            System.exit(0);
+        }
+
+        Root root = new Root();
+
+        List<Record> records = new ArrayList<Record>();
+
+        BufferedReader in = new BufferedReader(new InputStreamReader(
+                new FileInputStream(args[0])));
+
+        String line;
+        int lineNumber = 0;
+        while ((line = in.readLine()) != null) {
+            lineNumber++;
+            if (line.startsWith("I/PRELOAD")) {
+                try {
+                    String clipped = line.substring(19);
+                    records.add(new Record(clipped, lineNumber));
+                } catch (RuntimeException e) {
+                    throw new RuntimeException(
+                            "Exception while recording line " + lineNumber + ": " + line, e);
+                }
+            }
+        }
+
+        for (Record record : records) {
+            root.indexProcess(record);
+        }
+
+        for (Record record : records) {
+            root.indexClassOperation(record);
+        }
+
+        in.close();
+
+        root.toFile(args[1]);
+    }
+}