1#!/bin/bash
2
3# Copyright 2013 The Chromium Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6
7if [[ a"`ctags --version | head -1 | grep \"^Exuberant Ctags\"`" == "a" ]]; then
8  cat <<EOF
9  You must be using Exuberant Ctags, not just standard GNU ctags. If you are on
10  Debian or a related flavor of Linux, you may want to try running
11  apt-get install exuberant-ctags.
12EOF
13  exit
14fi
15
16CHROME_SRC_DIR="$PWD"
17
18fail() {
19  echo "Failed to create ctags for $1"
20  exit 1
21}
22
23ctags_cmd() {
24  echo "ctags --languages=C++ $1 --exclude=.git -R -f .tmp_tags"
25}
26
27build_dir() {
28  local extraexcludes=""
29  if [[ a"$1" == "a--extra-excludes" ]]; then
30    extraexcludes="--exclude=third_party --exclude=build --exclude=out"
31    shift
32  fi
33
34  cd "$CHROME_SRC_DIR/$1" || fail $1
35  # Redirect error messages so they aren't seen because they are almost always
36  # errors about components that you just happen to have not built (NaCl, for
37  # example).
38  $(ctags_cmd "$extraexcludes") 2> /dev/null || fail $1
39  mv -f .tmp_tags .tags
40}
41
42# We always build the top level but leave all submodules as optional.
43build_dir --extra-excludes "" "top level"
44
45# Build any other directies that are listed on the command line.
46for dir in $@; do
47  build_dir "$1"
48  shift
49done
50