Graphical version of the run_binary_size_analysis tool.

tools/binary_size/java/src/org/chromium/tools/binary_size/NmDumper.java

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-package org.chromium.tools.binary_size;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.PrintWriter;
-
-/**
- * Converts records to a format that simulates output from 'nm'.
- */
-class NmDumper {
-    private final String mOutPath;
-    private final String mSkipPath;
-    private final String mFailPath;
-    private final Output mOutput;
-
-    /**
-     * Create a new dumper that will output to the specified paths.
-     * @param outPath where to write all records and lines, including lines
-     * that are skipped or records that failed to resolve
-     * @param failPath if not null, a path to which <em>only</em> records that
-     * failed to resolve will be written
-     * @param skipPath if not null, a path to which <em>only</em> lines that
-     * were skipped will be written
-     */
-    NmDumper(final String outPath, final String failPath, final String skipPath) {
-        mOutPath = outPath;
-        mFailPath = failPath;
-        mSkipPath = skipPath;
-        mOutput = new Output();
-    }
-
-    /**
-     * Close all output files.
-     */
-    void close() {
-        mOutput.closeAll();
-    }
-
-    /**
-     * Output a line that was skipped.
-     * @param line the line
-     */
-    void skipped(String line) {
-        mOutput.printSkip(line);
-    }
-
-    /**
-     * Output a record that failed to resolve.
-     * @param record the record
-     */
-    void failed(Record record) {
-        mOutput.printFail(simulateNmOutput(record));
-    }
-
-    /**
-     * Output a record that successfully resolved.
-     * @param record the record
-     */
-    void succeeded(Record record) {
-        mOutput.print(simulateNmOutput(record));
-    }
-
-    /**
-     * Generate a string that looks like output from nm for a given record.
-     * @param record the record
-     * @return nm-like output
-     */
-    private static final String simulateNmOutput(final Record record) {
-        StringBuilder builder = new StringBuilder(record.address);
-        builder.append(' ');
-        builder.append(record.size);
-        builder.append(' ');
-        builder.append(record.symbolType);
-        builder.append(' ');
-        builder.append(record.symbolName != null ? record.symbolName : "unknown");
-        if (record.location != null) {
-            builder.append('\t');
-            builder.append(record.location);
-        }
-        return builder.toString();
-    }
-
-    private class Output {
-        private final PrintWriter skipWriter;
-        private final PrintWriter failWriter;
-        private final PrintWriter outWriter;
-
-        private Output() {
-            try {
-                File parentDir = new File(mOutPath).getParentFile();
-                assert (parentDir.mkdirs() || parentDir.isDirectory());
-                outWriter = new PrintWriter(mOutPath);
-            } catch (FileNotFoundException e) {
-                throw new RuntimeException("Can't open output file: " + mOutPath, e);
-            }
-
-            if (mFailPath != null) {
-                try {
-                    File parentDir = new File(mFailPath).getParentFile();
-                    assert (parentDir.mkdirs() || parentDir.isDirectory());
-                    failWriter = new PrintWriter(mFailPath);
-                } catch (FileNotFoundException e) {
-                    throw new RuntimeException("Can't open fail file: " + mFailPath, e);
-                }
-            } else {
-                failWriter = null;
-            }
-
-            if (mSkipPath != null) {
-                try {
-                    File parentDir = new File(mSkipPath).getParentFile();
-                    assert (parentDir.mkdirs() || parentDir.isDirectory());
-                    skipWriter = new PrintWriter(mSkipPath);
-                } catch (IOException e) {
-                    throw new RuntimeException("Can't open skip file: " + mSkipPath, e);
-                }
-            } else  {
-                skipWriter = null;
-            }
-        }
-
-        private void println(PrintWriter writer, String string) {
-            if (writer != null) {
-                synchronized (writer) {
-                    writer.println(string);
-                    writer.flush();
-                }
-            }
-        }
-
-        void print(String string) {
-            println(outWriter, string);
-        }
-
-        void printSkip(String string) {
-            println(skipWriter, string);
-            println(outWriter, string);
-        }
-
-        void printFail(String string) {
-            println(failWriter, string);
-            println(outWriter, string);
-        }
-
-        private void closeAll() {
-            for (PrintWriter writer : new PrintWriter[]{outWriter, failWriter, skipWriter}) {
-                if (writer != null) {
-                    try {
-                        writer.flush(); }
-                    catch (Exception ignored) {
-                        // Nothing to be done.
-                    }
-                    try {
-                        writer.close(); }
-                    catch (Exception ignored) {
-                        // Nothing to be done.
-                    }
-                }
-            }
-        }
-    }
-}